diff --git a/app/webphone/app_config.php b/app/webphone/app_config.php new file mode 100644 index 0000000..7d8976a --- /dev/null +++ b/app/webphone/app_config.php @@ -0,0 +1,41 @@ + \ No newline at end of file diff --git a/app/webphone/app_languages.php b/app/webphone/app_languages.php new file mode 100644 index 0000000..8e0dd9f --- /dev/null +++ b/app/webphone/app_languages.php @@ -0,0 +1,83 @@ + \ No newline at end of file diff --git a/app/webphone/app_menu.php b/app/webphone/app_menu.php new file mode 100644 index 0000000..b938f72 --- /dev/null +++ b/app/webphone/app_menu.php @@ -0,0 +1,15 @@ + \ No newline at end of file diff --git a/app/webphone/img/bg.jpg b/app/webphone/img/bg.jpg new file mode 100644 index 0000000..3d813c1 Binary files /dev/null and b/app/webphone/img/bg.jpg differ diff --git a/app/webphone/img/favicon.ico b/app/webphone/img/favicon.ico new file mode 100644 index 0000000..04264b8 Binary files /dev/null and b/app/webphone/img/favicon.ico differ diff --git a/app/webphone/img/screenshots/1.png b/app/webphone/img/screenshots/1.png new file mode 100644 index 0000000..18a273d Binary files /dev/null and b/app/webphone/img/screenshots/1.png differ diff --git a/app/webphone/img/screenshots/2.png b/app/webphone/img/screenshots/2.png new file mode 100644 index 0000000..7e22ebe Binary files /dev/null and b/app/webphone/img/screenshots/2.png differ diff --git a/app/webphone/img/screenshots/3.png b/app/webphone/img/screenshots/3.png new file mode 100644 index 0000000..078e3d8 Binary files /dev/null and b/app/webphone/img/screenshots/3.png differ diff --git a/app/webphone/phone/css/ctxSip.css b/app/webphone/phone/css/ctxSip.css new file mode 100644 index 0000000..a69d4af --- /dev/null +++ b/app/webphone/phone/css/ctxSip.css @@ -0,0 +1,85 @@ +#sipClient { + background-color: #333; + font-size: 13px; + line-height: 1.42857143; + /* firefox 19+ */ + /* ie */ +} +#sipClient p { + margin: 0; + padding: 0 0 10px 0; + line-height: 18px; +} +#sipClient .sipStatus { + margin: 0 -15px 15px -15px; + padding: 5px 15px; + background-color: #111; + color: #999; +} +#sipClient #txtCallStatus { + color: #fff; +} +#sipClient #sip-dialpad { + width: 292px; + padding: 16px 20px; +} +#sipClient #sip-dialpad .col-xs-4 { + text-align: center; +} +#sipClient .digit { + height: 66px; + width: 66px; + margin: 0 8px 14px !important; + background-color: #f8f8f8; + font-weight: 300; + font-size: 24px; + border-radius: 100px; + line-height: 21px; + padding-top: 9px; + float: left; +} +#sipClient .digit span { + display: block; + color: #999; + font-size: 10px; + font-weight: normal; +} +#sipClient .sip-panel h3 { + margin-top: 22px; +} +#sipClient #sip-splash { + height: 371px; +} +#sipClient #sip-splash .fa { + margin-bottom: 15px; +} +#sipClient #sip-splash .fa-circle { + color: #5cb85c; +} +#sipClient #sip-log .panel-heading { + padding: 10px 8px; +} +#sipClient #sip-logitems { + height: 332px; + overflow: auto; +} +#sipClient #sldVolume { + width: 140px; + margin: 0 auto; + box-shadow: none; +} +#sipClient .sip-logitem { + padding: 4px; +} +#sipClient #numDisplay::-webkit-input-placeholder { + color: #bbb; +} +#sipClient #numDisplay::-moz-placeholder { + color: #bbb; +} +#sipClient #numDisplay::-ms-input-placeholder { + color: #bbb; +} +#sipClient #numDisplay::-moz-placeholder { + color: #bbb; +} diff --git a/app/webphone/phone/css/ctxSip.less b/app/webphone/phone/css/ctxSip.less new file mode 100644 index 0000000..153c0a4 --- /dev/null +++ b/app/webphone/phone/css/ctxSip.less @@ -0,0 +1,85 @@ +#sipClient { + + background-color : #333; + font-size : 13px; + line-height : 1.42857143; + + p { + margin : 0; + padding : 0 0 10px 0; + line-height : 18px; + } + + .sipStatus { + margin : 0 -15px 15px -15px; + padding : 5px 15px; + background-color : #111; + color : #999; + } + + #txtCallStatus { color : #fff; } + + #sip-dialpad { + width : 292px; + padding : 16px 20px; + } + + #sip-dialpad .col-xs-4 { text-align : center; } + + .digit { + height : 66px; + width : 66px; + margin : 0 8px 14px !important; + background-color : #f8f8f8; + font-weight : 300; + font-size : 24px; + border-radius : 100px; + line-height : 21px; + padding-top : 9px; + float : left; + + span { + display : block; + color : #999; + font-size : 10px; + font-weight : normal; + } + } + + .sip-panel h3 { margin-top : 22px; } + + #sip-splash { + height : 371px; + + .fa { + margin-bottom : 15px; + } + + .fa-circle { + color: #5cb85c; + } + } + + #sip-log .panel-heading { + padding : 10px 8px; + } + #sip-logitems { + height : 332px; + overflow : auto; + } + + #sldVolume { + width : 140px; + margin : 0 auto; + box-shadow : none; + } + + .sip-logitem { + padding : 4px; + } + + #numDisplay::-webkit-input-placeholder { color:#bbb; } + #numDisplay::-moz-placeholder { color:#bbb; } + #numDisplay::-ms-input-placeholder { color:#bbb; } + #numDisplay::-moz-placeholder { color:#bbb; } +} diff --git a/app/webphone/phone/index.html b/app/webphone/phone/index.html new file mode 100644 index 0000000..b78b142 --- /dev/null +++ b/app/webphone/phone/index.html @@ -0,0 +1,111 @@ + + + + + + ctxSip + + + + + + +
+ +
+
 
+
+
+ +
+
+
+ + +
+ +
+ +
+ +
+
+
+
+ +
+
+
+

+ + + +
+ This is your phone.

+

To make a call enter a number or SIP address in the box above.

+ Closing this window will cause calls to go to voicemail. +
+
+ +
+
+

Recent Calls

+
+
+

No recent calls from this browser.

+
+
+
+ + + +
+ + + + + + + + + + + + + + + + diff --git a/app/webphone/phone/index.php b/app/webphone/phone/index.php new file mode 100644 index 0000000..8606640 --- /dev/null +++ b/app/webphone/phone/index.php @@ -0,0 +1,162 @@ +get(); + + + if (is_uuid($_GET['id'])) { + $extension_uuid = $_GET['id']; + } + +//get the user ID + $sql = "SELECT extension, password,effective_caller_id_name "; + $sql .= "FROM v_extensions "; + $sql .= "WHERE extension_uuid = '" . $extension_uuid . "' "; + $sql .= "AND v_extensions.domain_uuid = '" . $_SESSION["domain_uuid"] . "' LIMIT 1"; + + $prep_statement = $db->prepare($sql); + if ($prep_statement) { + $prep_statement->execute(); + $row = $prep_statement->fetch(PDO::FETCH_ASSOC); + $user_extension = $row['extension']; + $user_password = $row['password']; + $effective_caller_id_name = $row['effective_caller_id_name']; + } + +echo "\n"; +echo "\n"; +echo " \n"; +echo " \n"; +echo " ctxSip\n"; +echo " \n"; +echo " \n"; +echo " \n"; +echo " \n"; +echo "\n"; +echo "\n"; +echo "
\n"; + +echo "
\n"; +echo "
 
\n"; +echo "
\n"; +echo "
\n"; + +echo "
\n"; +echo "
\n"; +echo "
\n"; +echo " \n"; +echo " \n"; +echo "
\n"; +echo " \n"; +echo "
\n"; +echo " \n"; +echo "
\n"; +echo " \n"; +echo "
\n"; +echo "
\n"; +echo "
\n"; +echo "
\n"; + +echo "
\n"; +echo "
\n"; +echo "
\n"; +echo "

\n"; +echo " \n"; +echo " \n"; +echo " \n"; +echo "
\n"; +echo " This is your phone.

\n"; +echo "

To make a call enter a number in the box above.

\n"; +echo " Closing this window will cause calls to go to voicemail.\n"; +echo "
\n"; +echo "
\n"; + +echo "
\n"; +echo "
\n"; +echo "

Recent Calls

\n"; +echo "
\n"; +echo "
\n"; +echo "

No recent calls from this browser.

\n"; +echo "
\n"; +echo "
\n"; +echo "
\n"; + +echo " \n"; + +echo "
\n"; + +echo "\n"; +echo "\n"; +echo "\n"; +echo "\n"; + +echo "\n"; +echo "\n"; +echo "\n"; + +//echo "\n"; +echo "\n"; +//echo "\n"; + +echo "\n"; + +echo "\n"; + +echo "\n"; +// +?> \ No newline at end of file diff --git a/app/webphone/phone/root.php b/app/webphone/phone/root.php new file mode 100644 index 0000000..6fdf32f --- /dev/null +++ b/app/webphone/phone/root.php @@ -0,0 +1,90 @@ + + Portions created by the Initial Developer are Copyright (C) 2008-2012 + the Initial Developer. All Rights Reserved. + + Contributor(s): + Mark J Crane +*/ + +// make sure the PATH_SEPARATOR is defined + umask(2); + if (!defined("PATH_SEPARATOR")) { + if (strpos($_ENV["OS"], "Win") !== false) { + define("PATH_SEPARATOR", ";"); + } else { + define("PATH_SEPARATOR", ":"); + } + } + + if (!isset($output_format)) $output_format = (PHP_SAPI == 'cli') ? 'text' : 'html'; + + // make sure the document_root is set + $_SERVER["SCRIPT_FILENAME"] = str_replace("\\", '/', $_SERVER["SCRIPT_FILENAME"]); + if(PHP_SAPI == 'cli'){ + chdir(pathinfo(realpath($_SERVER["PHP_SELF"]), PATHINFO_DIRNAME)); + $script_full_path = str_replace("\\", '/', getcwd() . '/' . $_SERVER["SCRIPT_FILENAME"]); + $dirs = explode('/', pathinfo($script_full_path, PATHINFO_DIRNAME)); + if (file_exists('/project_root.php')) { + $path = '/'; + } else { + $i = 1; + $path = ''; + while ($i < count($dirs)) { + $path .= '/' . $dirs[$i]; + if (file_exists($path. '/project_root.php')) { + break; + } + $i++; + } + } + $_SERVER["DOCUMENT_ROOT"] = $path; + }else{ + $_SERVER["DOCUMENT_ROOT"] = str_replace($_SERVER["PHP_SELF"], "", $_SERVER["SCRIPT_FILENAME"]); + } + $_SERVER["DOCUMENT_ROOT"] = realpath($_SERVER["DOCUMENT_ROOT"]); +// try to detect if a project path is being used + if (!defined('PROJECT_PATH')) { + if (is_dir($_SERVER["DOCUMENT_ROOT"]. '/fusionpbx')) { + define('PROJECT_PATH', '/fusionpbx'); + } elseif (file_exists($_SERVER["DOCUMENT_ROOT"]. '/project_root.php')) { + define('PROJECT_PATH', ''); + } else { + $dirs = explode('/', str_replace('\\', '/', pathinfo($_SERVER["PHP_SELF"], PATHINFO_DIRNAME))); + $i = 1; + $path = $_SERVER["DOCUMENT_ROOT"]; + while ($i < count($dirs)) { + $path .= '/' . $dirs[$i]; + if (file_exists($path. '/project_root.php')) { + break; + } + $i++; + } + if(!file_exists($path. '/project_root.php')){ + die("Failed to locate the Project Root by searching for project_root.php please contact support for assistance"); + } + $project_path = str_replace($_SERVER["DOCUMENT_ROOT"], "", $path); + define('PROJECT_PATH', $project_path); + } + $_SERVER["PROJECT_ROOT"] = realpath($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH); + set_include_path(get_include_path() . PATH_SEPARATOR . $_SERVER["PROJECT_ROOT"]); + } + +?> \ No newline at end of file diff --git a/app/webphone/phone/scripts/SIP.js/sip.js b/app/webphone/phone/scripts/SIP.js/sip.js new file mode 100644 index 0000000..2635942 --- /dev/null +++ b/app/webphone/phone/scripts/SIP.js/sip.js @@ -0,0 +1,21553 @@ +/*! + * + * SIP version 0.15.6 + * Copyright (c) 2014-2019 Junction Networks, Inc + * Homepage: https://sipjs.com + * License: https://sipjs.com/license/ + * + * + * ~~~SIP.js contains substantial portions of JsSIP under the following license~~~ + * Homepage: http://jssip.net + * Copyright (c) 2012-2013 José Luis Millán - Versatica + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * ~~~ end JsSIP license ~~~ + * + * + * + * + */ +(function webpackUniversalModuleDefinition(root, factory) { + if(typeof exports === 'object' && typeof module === 'object') + module.exports = factory(); + else if(typeof define === 'function' && define.amd) + define([], factory); + else if(typeof exports === 'object') + exports["SIP"] = factory(); + else + root["SIP"] = factory(); +})(this, function() { +return /******/ (function(modules) { // webpackBootstrap +/******/ // The module cache +/******/ var installedModules = {}; +/******/ +/******/ // The require function +/******/ function __webpack_require__(moduleId) { +/******/ +/******/ // Check if module is in cache +/******/ if(installedModules[moduleId]) { +/******/ return installedModules[moduleId].exports; +/******/ } +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ i: moduleId, +/******/ l: false, +/******/ exports: {} +/******/ }; +/******/ +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); +/******/ +/******/ // Flag the module as loaded +/******/ module.l = true; +/******/ +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } +/******/ +/******/ +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; +/******/ +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; +/******/ +/******/ // define getter function for harmony exports +/******/ __webpack_require__.d = function(exports, name, getter) { +/******/ if(!__webpack_require__.o(exports, name)) { +/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter }); +/******/ } +/******/ }; +/******/ +/******/ // define __esModule on exports +/******/ __webpack_require__.r = function(exports) { +/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { +/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); +/******/ } +/******/ Object.defineProperty(exports, '__esModule', { value: true }); +/******/ }; +/******/ +/******/ // create a fake namespace object +/******/ // mode & 1: value is a module id, require it +/******/ // mode & 2: merge all properties of value into the ns +/******/ // mode & 4: return value when already ns object +/******/ // mode & 8|1: behave like require +/******/ __webpack_require__.t = function(value, mode) { +/******/ if(mode & 1) value = __webpack_require__(value); +/******/ if(mode & 8) return value; +/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; +/******/ var ns = Object.create(null); +/******/ __webpack_require__.r(ns); +/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value }); +/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key)); +/******/ return ns; +/******/ }; +/******/ +/******/ // getDefaultExport function for compatibility with non-harmony modules +/******/ __webpack_require__.n = function(module) { +/******/ var getter = module && module.__esModule ? +/******/ function getDefault() { return module['default']; } : +/******/ function getModuleExports() { return module; }; +/******/ __webpack_require__.d(getter, 'a', getter); +/******/ return getter; +/******/ }; +/******/ +/******/ // Object.prototype.hasOwnProperty.call +/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; +/******/ +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = ""; +/******/ +/******/ +/******/ // Load entry module and return exports +/******/ return __webpack_require__(__webpack_require__.s = 0); +/******/ }) +/************************************************************************/ +/******/ ([ +/* 0 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var core_1 = __webpack_require__(2); +exports.DigestAuthentication = core_1.DigestAuthentication; +exports.Grammar = core_1.Grammar; +exports.IncomingRequest = core_1.IncomingRequestMessage; +exports.IncomingResponse = core_1.IncomingResponseMessage; +exports.LoggerFactory = core_1.LoggerFactory; +exports.NameAddrHeader = core_1.NameAddrHeader; +exports.OutgoingRequest = core_1.OutgoingRequestMessage; +exports.Timers = core_1.Timers; +exports.Transport = core_1.Transport; +exports.URI = core_1.URI; +var ClientContext_1 = __webpack_require__(79); +exports.ClientContext = ClientContext_1.ClientContext; +var Constants_1 = __webpack_require__(80); +exports.C = Constants_1.C; +var Enums_1 = __webpack_require__(82); +exports.DialogStatus = Enums_1.DialogStatus; +exports.SessionStatus = Enums_1.SessionStatus; +exports.TypeStrings = Enums_1.TypeStrings; +exports.UAStatus = Enums_1.UAStatus; +var Exceptions_1 = __webpack_require__(84); +exports.Exceptions = Exceptions_1.Exceptions; +var Parser_1 = __webpack_require__(85); +exports.Parser = Parser_1.Parser; +var PublishContext_1 = __webpack_require__(86); +exports.PublishContext = PublishContext_1.PublishContext; +var ReferContext_1 = __webpack_require__(87); +exports.ReferClientContext = ReferContext_1.ReferClientContext; +exports.ReferServerContext = ReferContext_1.ReferServerContext; +var RegisterContext_1 = __webpack_require__(89); +exports.RegisterContext = RegisterContext_1.RegisterContext; +var ServerContext_1 = __webpack_require__(88); +exports.ServerContext = ServerContext_1.ServerContext; +var Session_1 = __webpack_require__(90); +exports.InviteClientContext = Session_1.InviteClientContext; +exports.InviteServerContext = Session_1.InviteServerContext; +exports.Session = Session_1.Session; +var Subscription_1 = __webpack_require__(92); +exports.Subscription = Subscription_1.Subscription; +var transactions_1 = __webpack_require__(27); +var Transactions = { + InviteClientTransaction: transactions_1.InviteClientTransaction, + InviteServerTransaction: transactions_1.InviteServerTransaction, + NonInviteClientTransaction: transactions_1.NonInviteClientTransaction, + NonInviteServerTransaction: transactions_1.NonInviteServerTransaction +}; +exports.Transactions = Transactions; +var UA_1 = __webpack_require__(93); +exports.makeUserAgentCoreConfigurationFromUA = UA_1.makeUserAgentCoreConfigurationFromUA; +exports.UA = UA_1.UA; +var Utils_1 = __webpack_require__(83); +exports.Utils = Utils_1.Utils; +var Web = tslib_1.__importStar(__webpack_require__(104)); +exports.Web = Web; +var version = Constants_1.C.version; +exports.version = version; +var name = "sip.js"; +exports.name = name; +var Core = tslib_1.__importStar(__webpack_require__(2)); +exports.Core = Core; + + +/***/ }), +/* 1 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__extends", function() { return __extends; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__assign", function() { return __assign; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__rest", function() { return __rest; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__decorate", function() { return __decorate; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__param", function() { return __param; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__metadata", function() { return __metadata; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__awaiter", function() { return __awaiter; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__generator", function() { return __generator; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__exportStar", function() { return __exportStar; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__values", function() { return __values; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__read", function() { return __read; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__spread", function() { return __spread; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__spreadArrays", function() { return __spreadArrays; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__await", function() { return __await; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncGenerator", function() { return __asyncGenerator; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncDelegator", function() { return __asyncDelegator; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncValues", function() { return __asyncValues; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__makeTemplateObject", function() { return __makeTemplateObject; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__importStar", function() { return __importStar; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__importDefault", function() { return __importDefault; }); +/*! ***************************************************************************** +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the Apache License, Version 2.0 (the "License"); you may not use +this file except in compliance with the License. You may obtain a copy of the +License at http://www.apache.org/licenses/LICENSE-2.0 + +THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED +WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, +MERCHANTABLITY OR NON-INFRINGEMENT. + +See the Apache Version 2.0 License for specific language governing permissions +and limitations under the License. +***************************************************************************** */ +/* global Reflect, Promise */ + +var extendStatics = function(d, b) { + extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; + return extendStatics(d, b); +}; + +function __extends(d, b) { + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +} + +var __assign = function() { + __assign = Object.assign || function __assign(t) { + for (var s, i = 1, n = arguments.length; i < n; i++) { + s = arguments[i]; + for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; + } + return t; + } + return __assign.apply(this, arguments); +} + +function __rest(s, e) { + var t = {}; + for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) + t[p] = s[p]; + if (s != null && typeof Object.getOwnPropertySymbols === "function") + for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) { + if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) + t[p[i]] = s[p[i]]; + } + return t; +} + +function __decorate(decorators, target, key, desc) { + var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; + if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); + else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; + return c > 3 && r && Object.defineProperty(target, key, r), r; +} + +function __param(paramIndex, decorator) { + return function (target, key) { decorator(target, key, paramIndex); } +} + +function __metadata(metadataKey, metadataValue) { + if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue); +} + +function __awaiter(thisArg, _arguments, P, generator) { + return new (P || (P = Promise))(function (resolve, reject) { + function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } + function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } + function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } + step((generator = generator.apply(thisArg, _arguments || [])).next()); + }); +} + +function __generator(thisArg, body) { + var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; + return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; + function verb(n) { return function (v) { return step([n, v]); }; } + function step(op) { + if (f) throw new TypeError("Generator is already executing."); + while (_) try { + if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; + if (y = 0, t) op = [op[0] & 2, t.value]; + switch (op[0]) { + case 0: case 1: t = op; break; + case 4: _.label++; return { value: op[1], done: false }; + case 5: _.label++; y = op[1]; op = [0]; continue; + case 7: op = _.ops.pop(); _.trys.pop(); continue; + default: + if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } + if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } + if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } + if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } + if (t[2]) _.ops.pop(); + _.trys.pop(); continue; + } + op = body.call(thisArg, _); + } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } + if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; + } +} + +function __exportStar(m, exports) { + for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p]; +} + +function __values(o) { + var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0; + if (m) return m.call(o); + return { + next: function () { + if (o && i >= o.length) o = void 0; + return { value: o && o[i++], done: !o }; + } + }; +} + +function __read(o, n) { + var m = typeof Symbol === "function" && o[Symbol.iterator]; + if (!m) return o; + var i = m.call(o), r, ar = [], e; + try { + while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value); + } + catch (error) { e = { error: error }; } + finally { + try { + if (r && !r.done && (m = i["return"])) m.call(i); + } + finally { if (e) throw e.error; } + } + return ar; +} + +function __spread() { + for (var ar = [], i = 0; i < arguments.length; i++) + ar = ar.concat(__read(arguments[i])); + return ar; +} + +function __spreadArrays() { + for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length; + for (var r = Array(s), k = 0, i = 0; i < il; i++) + for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) + r[k] = a[j]; + return r; +}; + +function __await(v) { + return this instanceof __await ? (this.v = v, this) : new __await(v); +} + +function __asyncGenerator(thisArg, _arguments, generator) { + if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); + var g = generator.apply(thisArg, _arguments || []), i, q = []; + return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; + function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } + function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } + function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } + function fulfill(value) { resume("next", value); } + function reject(value) { resume("throw", value); } + function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); } +} + +function __asyncDelegator(o) { + var i, p; + return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i; + function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; } +} + +function __asyncValues(o) { + if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); + var m = o[Symbol.asyncIterator], i; + return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i); + function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; } + function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); } +} + +function __makeTemplateObject(cooked, raw) { + if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; } + return cooked; +}; + +function __importStar(mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k]; + result.default = mod; + return result; +} + +function __importDefault(mod) { + return (mod && mod.__esModule) ? mod : { default: mod }; +} + + +/***/ }), +/* 2 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +/** + * A core library implementing low level SIP protocol elements. + * @packageDocumentation + */ +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +// Directories +tslib_1.__exportStar(__webpack_require__(3), exports); +tslib_1.__exportStar(__webpack_require__(31), exports); +tslib_1.__exportStar(__webpack_require__(60), exports); +tslib_1.__exportStar(__webpack_require__(5), exports); +tslib_1.__exportStar(__webpack_require__(24), exports); +tslib_1.__exportStar(__webpack_require__(56), exports); +tslib_1.__exportStar(__webpack_require__(27), exports); +tslib_1.__exportStar(__webpack_require__(64), exports); +tslib_1.__exportStar(__webpack_require__(66), exports); +// Files +tslib_1.__exportStar(__webpack_require__(26), exports); +tslib_1.__exportStar(__webpack_require__(78), exports); + + +/***/ }), +/* 3 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(4), exports); +tslib_1.__exportStar(__webpack_require__(23), exports); +tslib_1.__exportStar(__webpack_require__(55), exports); + + +/***/ }), +/* 4 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var messages_1 = __webpack_require__(5); +/** + * Dialog. + * @remarks + * A key concept for a user agent is that of a dialog. A dialog + * represents a peer-to-peer SIP relationship between two user agents + * that persists for some time. The dialog facilitates sequencing of + * messages between the user agents and proper routing of requests + * between both of them. The dialog represents a context in which to + * interpret SIP messages. + * https://tools.ietf.org/html/rfc3261#section-12 + * @public + */ +var Dialog = /** @class */ (function () { + /** + * Dialog constructor. + * @param core - User agent core. + * @param dialogState - Initial dialog state. + */ + function Dialog(core, dialogState) { + this.core = core; + this.dialogState = dialogState; + this.core.dialogs.set(this.id, this); + } + /** + * When a UAC receives a response that establishes a dialog, it + * constructs the state of the dialog. This state MUST be maintained + * for the duration of the dialog. + * https://tools.ietf.org/html/rfc3261#section-12.1.2 + * @param outgoingRequestMessage - Outgoing request message for dialog. + * @param incomingResponseMessage - Incoming response message creating dialog. + */ + Dialog.initialDialogStateForUserAgentClient = function (outgoingRequestMessage, incomingResponseMessage) { + // If the request was sent over TLS, and the Request-URI contained a + // SIPS URI, the "secure" flag is set to TRUE. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var secure = false; // FIXME: Currently no support for TLS. + // The route set MUST be set to the list of URIs in the Record-Route + // header field from the response, taken in reverse order and preserving + // all URI parameters. If no Record-Route header field is present in + // the response, the route set MUST be set to the empty set. This route + // set, even if empty, overrides any pre-existing route set for future + // requests in this dialog. The remote target MUST be set to the URI + // from the Contact header field of the response. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var routeSet = incomingResponseMessage.getHeaders("record-route").reverse(); + var contact = incomingResponseMessage.parseHeader("contact"); + if (!contact) { // TODO: Review to make sure this will never happen + throw new Error("Contact undefined."); + } + if (!(contact instanceof messages_1.NameAddrHeader)) { + throw new Error("Contact not instance of NameAddrHeader."); + } + var remoteTarget = contact.uri; + // The local sequence number MUST be set to the value of the sequence + // number in the CSeq header field of the request. The remote sequence + // number MUST be empty (it is established when the remote UA sends a + // request within the dialog). The call identifier component of the + // dialog ID MUST be set to the value of the Call-ID in the request. + // The local tag component of the dialog ID MUST be set to the tag in + // the From field in the request, and the remote tag component of the + // dialog ID MUST be set to the tag in the To field of the response. A + // UAC MUST be prepared to receive a response without a tag in the To + // field, in which case the tag is considered to have a value of null. + // + // This is to maintain backwards compatibility with RFC 2543, which + // did not mandate To tags. + // + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var localSequenceNumber = outgoingRequestMessage.cseq; + var remoteSequenceNumber = undefined; + var callId = outgoingRequestMessage.callId; + var localTag = outgoingRequestMessage.fromTag; + var remoteTag = incomingResponseMessage.toTag; + if (!callId) { // TODO: Review to make sure this will never happen + throw new Error("Call id undefined."); + } + if (!localTag) { // TODO: Review to make sure this will never happen + throw new Error("From tag undefined."); + } + if (!remoteTag) { // TODO: Review to make sure this will never happen + throw new Error("To tag undefined."); // FIXME: No backwards compatibility with RFC 2543 + } + // The remote URI MUST be set to the URI in the To field, and the local + // URI MUST be set to the URI in the From field. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + if (!outgoingRequestMessage.from) { // TODO: Review to make sure this will never happen + throw new Error("From undefined."); + } + if (!outgoingRequestMessage.to) { // TODO: Review to make sure this will never happen + throw new Error("To undefined."); + } + var localURI = outgoingRequestMessage.from.uri; + var remoteURI = outgoingRequestMessage.to.uri; + // A dialog can also be in the "early" state, which occurs when it is + // created with a provisional response, and then transition to the + // "confirmed" state when a 2xx final response arrives. + // https://tools.ietf.org/html/rfc3261#section-12 + if (!incomingResponseMessage.statusCode) { + throw new Error("Incoming response status code undefined."); + } + var early = incomingResponseMessage.statusCode < 200 ? true : false; + var dialogState = { + id: callId + localTag + remoteTag, + early: early, + callId: callId, + localTag: localTag, + remoteTag: remoteTag, + localSequenceNumber: localSequenceNumber, + remoteSequenceNumber: remoteSequenceNumber, + localURI: localURI, + remoteURI: remoteURI, + remoteTarget: remoteTarget, + routeSet: routeSet, + secure: secure + }; + return dialogState; + }; + /** + * The UAS then constructs the state of the dialog. This state MUST be + * maintained for the duration of the dialog. + * https://tools.ietf.org/html/rfc3261#section-12.1.1 + * @param incomingRequestMessage - Incoming request message creating dialog. + * @param toTag - Tag in the To field in the response to the incoming request. + */ + Dialog.initialDialogStateForUserAgentServer = function (incomingRequestMessage, toTag, early) { + if (early === void 0) { early = false; } + // If the request arrived over TLS, and the Request-URI contained a SIPS + // URI, the "secure" flag is set to TRUE. + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var secure = false; // FIXME: Currently no support for TLS. + // The route set MUST be set to the list of URIs in the Record-Route + // header field from the request, taken in order and preserving all URI + // parameters. If no Record-Route header field is present in the + // request, the route set MUST be set to the empty set. This route set, + // even if empty, overrides any pre-existing route set for future + // requests in this dialog. The remote target MUST be set to the URI + // from the Contact header field of the request. + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var routeSet = incomingRequestMessage.getHeaders("record-route"); + var contact = incomingRequestMessage.parseHeader("contact"); + if (!contact) { // TODO: Review to make sure this will never happen + throw new Error("Contact undefined."); + } + if (!(contact instanceof messages_1.NameAddrHeader)) { + throw new Error("Contact not instance of NameAddrHeader."); + } + var remoteTarget = contact.uri; + // The remote sequence number MUST be set to the value of the sequence + // number in the CSeq header field of the request. The local sequence + // number MUST be empty. The call identifier component of the dialog ID + // MUST be set to the value of the Call-ID in the request. The local + // tag component of the dialog ID MUST be set to the tag in the To field + // in the response to the request (which always includes a tag), and the + // remote tag component of the dialog ID MUST be set to the tag from the + // From field in the request. A UAS MUST be prepared to receive a + // request without a tag in the From field, in which case the tag is + // considered to have a value of null. + // + // This is to maintain backwards compatibility with RFC 2543, which + // did not mandate From tags. + // + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var remoteSequenceNumber = incomingRequestMessage.cseq; + var localSequenceNumber = undefined; + var callId = incomingRequestMessage.callId; + var localTag = toTag; + var remoteTag = incomingRequestMessage.fromTag; + // The remote URI MUST be set to the URI in the From field, and the + // local URI MUST be set to the URI in the To field. + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var remoteURI = incomingRequestMessage.from.uri; + var localURI = incomingRequestMessage.to.uri; + var dialogState = { + id: callId + localTag + remoteTag, + early: early, + callId: callId, + localTag: localTag, + remoteTag: remoteTag, + localSequenceNumber: localSequenceNumber, + remoteSequenceNumber: remoteSequenceNumber, + localURI: localURI, + remoteURI: remoteURI, + remoteTarget: remoteTarget, + routeSet: routeSet, + secure: secure + }; + return dialogState; + }; + /** Destructor. */ + Dialog.prototype.dispose = function () { + this.core.dialogs.delete(this.id); + }; + Object.defineProperty(Dialog.prototype, "id", { + /** + * A dialog is identified at each UA with a dialog ID, which consists of + * a Call-ID value, a local tag and a remote tag. The dialog ID at each + * UA involved in the dialog is not the same. Specifically, the local + * tag at one UA is identical to the remote tag at the peer UA. The + * tags are opaque tokens that facilitate the generation of unique + * dialog IDs. + * https://tools.ietf.org/html/rfc3261#section-12 + */ + get: function () { + return this.dialogState.id; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "early", { + /** + * A dialog can also be in the "early" state, which occurs when it is + * created with a provisional response, and then it transition to the + * "confirmed" state when a 2xx final response received or is sent. + * + * Note: RFC 3261 is concise on when a dialog is "confirmed", but it + * can be a point of confusion if an INVITE dialog is "confirmed" after + * a 2xx is sent or after receiving the ACK for the 2xx response. + * With careful reading it can be inferred a dialog is always is + * "confirmed" when the 2xx is sent (regardless of type of dialog). + * However a INVITE dialog does have additional considerations + * when it is confirmed but an ACK has not yet been received (in + * particular with regard to a callee sending BYE requests). + */ + get: function () { + return this.dialogState.early; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "callId", { + /** Call identifier component of the dialog id. */ + get: function () { + return this.dialogState.callId; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "localTag", { + /** Local tag component of the dialog id. */ + get: function () { + return this.dialogState.localTag; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "remoteTag", { + /** Remote tag component of the dialog id. */ + get: function () { + return this.dialogState.remoteTag; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "localSequenceNumber", { + /** Local sequence number (used to order requests from the UA to its peer). */ + get: function () { + return this.dialogState.localSequenceNumber; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "remoteSequenceNumber", { + /** Remote sequence number (used to order requests from its peer to the UA). */ + get: function () { + return this.dialogState.remoteSequenceNumber; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "localURI", { + /** Local URI. */ + get: function () { + return this.dialogState.localURI; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "remoteURI", { + /** Remote URI. */ + get: function () { + return this.dialogState.remoteURI; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "remoteTarget", { + /** Remote target. */ + get: function () { + return this.dialogState.remoteTarget; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "routeSet", { + /** + * Route set, which is an ordered list of URIs. The route set is the + * list of servers that need to be traversed to send a request to the peer. + */ + get: function () { + return this.dialogState.routeSet; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "secure", { + /** + * If the request was sent over TLS, and the Request-URI contained + * a SIPS URI, the "secure" flag is set to true. *NOT IMPLEMENTED* + */ + get: function () { + return this.dialogState.secure; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Dialog.prototype, "userAgentCore", { + /** The user agent core servicing this dialog. */ + get: function () { + return this.core; + }, + enumerable: true, + configurable: true + }); + /** Confirm the dialog. Only matters if dialog is currently early. */ + Dialog.prototype.confirm = function () { + this.dialogState.early = false; + }; + /** + * Requests sent within a dialog, as any other requests, are atomic. If + * a particular request is accepted by the UAS, all the state changes + * associated with it are performed. If the request is rejected, none + * of the state changes are performed. + * + * Note that some requests, such as INVITEs, affect several pieces of + * state. + * + * https://tools.ietf.org/html/rfc3261#section-12.2.2 + * @param message - Incoming request message within this dialog. + */ + Dialog.prototype.receiveRequest = function (message) { + // ACK guard. + // By convention, the handling of ACKs is the responsibility + // the particular dialog implementation. For example, see SessionDialog. + // Furthermore, ACKs have same sequence number as the associated INVITE. + if (message.method === messages_1.C.ACK) { + return; + } + // If the remote sequence number was not empty, but the sequence number + // of the request is lower than the remote sequence number, the request + // is out of order and MUST be rejected with a 500 (Server Internal + // Error) response. If the remote sequence number was not empty, and + // the sequence number of the request is greater than the remote + // sequence number, the request is in order. It is possible for the + // CSeq sequence number to be higher than the remote sequence number by + // more than one. This is not an error condition, and a UAS SHOULD be + // prepared to receive and process requests with CSeq values more than + // one higher than the previous received request. The UAS MUST then set + // the remote sequence number to the value of the sequence number in the + // CSeq header field value in the request. + // + // If a proxy challenges a request generated by the UAC, the UAC has + // to resubmit the request with credentials. The resubmitted request + // will have a new CSeq number. The UAS will never see the first + // request, and thus, it will notice a gap in the CSeq number space. + // Such a gap does not represent any error condition. + // + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (this.remoteSequenceNumber) { + if (message.cseq <= this.remoteSequenceNumber) { + throw new Error("Out of sequence in dialog request. Did you forget to call sequenceGuard()?"); + } + this.dialogState.remoteSequenceNumber = message.cseq; + } + // If the remote sequence number is empty, it MUST be set to the value + // of the sequence number in the CSeq header field value in the request. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (!this.remoteSequenceNumber) { + this.dialogState.remoteSequenceNumber = message.cseq; + } + // When a UAS receives a target refresh request, it MUST replace the + // dialog's remote target URI with the URI from the Contact header field + // in that request, if present. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + // Note: "target refresh request" processing delegated to sub-class. + }; + /** + * If the dialog identifier in the 2xx response matches the dialog + * identifier of an existing dialog, the dialog MUST be transitioned to + * the "confirmed" state, and the route set for the dialog MUST be + * recomputed based on the 2xx response using the procedures of Section + * 12.2.1.2. Otherwise, a new dialog in the "confirmed" state MUST be + * constructed using the procedures of Section 12.1.2. + * + * Note that the only piece of state that is recomputed is the route + * set. Other pieces of state such as the highest sequence numbers + * (remote and local) sent within the dialog are not recomputed. The + * route set only is recomputed for backwards compatibility. RFC + * 2543 did not mandate mirroring of the Record-Route header field in + * a 1xx, only 2xx. However, we cannot update the entire state of + * the dialog, since mid-dialog requests may have been sent within + * the early dialog, modifying the sequence numbers, for example. + * + * https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + */ + Dialog.prototype.recomputeRouteSet = function (message) { + this.dialogState.routeSet = message.getHeaders("record-route").reverse(); + }; + /** + * A request within a dialog is constructed by using many of the + * components of the state stored as part of the dialog. + * https://tools.ietf.org/html/rfc3261#section-12.2.1.1 + * @param method - Outgoing request method. + */ + Dialog.prototype.createOutgoingRequestMessage = function (method, options) { + // The URI in the To field of the request MUST be set to the remote URI + // from the dialog state. The tag in the To header field of the request + // MUST be set to the remote tag of the dialog ID. The From URI of the + // request MUST be set to the local URI from the dialog state. The tag + // in the From header field of the request MUST be set to the local tag + // of the dialog ID. If the value of the remote or local tags is null, + // the tag parameter MUST be omitted from the To or From header fields, + // respectively. + // + // Usage of the URI from the To and From fields in the original + // request within subsequent requests is done for backwards + // compatibility with RFC 2543, which used the URI for dialog + // identification. In this specification, only the tags are used for + // dialog identification. It is expected that mandatory reflection + // of the original To and From URI in mid-dialog requests will be + // deprecated in a subsequent revision of this specification. + // https://tools.ietf.org/html/rfc3261#section-12.2.1.1 + var toUri = this.remoteURI; + var toTag = this.remoteTag; + var fromUri = this.localURI; + var fromTag = this.localTag; + // The Call-ID of the request MUST be set to the Call-ID of the dialog. + // Requests within a dialog MUST contain strictly monotonically + // increasing and contiguous CSeq sequence numbers (increasing-by-one) + // in each direction (excepting ACK and CANCEL of course, whose numbers + // equal the requests being acknowledged or cancelled). Therefore, if + // the local sequence number is not empty, the value of the local + // sequence number MUST be incremented by one, and this value MUST be + // placed into the CSeq header field. If the local sequence number is + // empty, an initial value MUST be chosen using the guidelines of + // Section 8.1.1.5. The method field in the CSeq header field value + // MUST match the method of the request. + // https://tools.ietf.org/html/rfc3261#section-12.2.1.1 + var callId = this.callId; + var cseq; + if (options && options.cseq) { + cseq = options.cseq; + } + else if (!this.dialogState.localSequenceNumber) { + cseq = this.dialogState.localSequenceNumber = 1; // https://tools.ietf.org/html/rfc3261#section-8.1.1.5 + } + else { + cseq = this.dialogState.localSequenceNumber += 1; + } + // The UAC uses the remote target and route set to build the Request-URI + // and Route header field of the request. + // + // If the route set is empty, the UAC MUST place the remote target URI + // into the Request-URI. The UAC MUST NOT add a Route header field to + // the request. + // + // If the route set is not empty, and the first URI in the route set + // contains the lr parameter (see Section 19.1.1), the UAC MUST place + // the remote target URI into the Request-URI and MUST include a Route + // header field containing the route set values in order, including all + // parameters. + // + // If the route set is not empty, and its first URI does not contain the + // lr parameter, the UAC MUST place the first URI from the route set + // into the Request-URI, stripping any parameters that are not allowed + // in a Request-URI. The UAC MUST add a Route header field containing + // the remainder of the route set values in order, including all + // parameters. The UAC MUST then place the remote target URI into the + // Route header field as the last value. + // https://tools.ietf.org/html/rfc3261#section-12.2.1.1 + // The lr parameter, when present, indicates that the element + // responsible for this resource implements the routing mechanisms + // specified in this document. This parameter will be used in the + // URIs proxies place into Record-Route header field values, and + // may appear in the URIs in a pre-existing route set. + // + // This parameter is used to achieve backwards compatibility with + // systems implementing the strict-routing mechanisms of RFC 2543 + // and the rfc2543bis drafts up to bis-05. An element preparing + // to send a request based on a URI not containing this parameter + // can assume the receiving element implements strict-routing and + // reformat the message to preserve the information in the + // Request-URI. + // https://tools.ietf.org/html/rfc3261#section-19.1.1 + // NOTE: Not backwards compatible with RFC 2543 (no support for strict-routing). + var ruri = this.remoteTarget; + var routeSet = this.routeSet; + var extraHeaders = options && options.extraHeaders; + var body = options && options.body; + // The relative order of header fields with different field names is not + // significant. However, it is RECOMMENDED that header fields which are + // needed for proxy processing (Via, Route, Record-Route, Proxy-Require, + // Max-Forwards, and Proxy-Authorization, for example) appear towards + // the top of the message to facilitate rapid parsing. + // https://tools.ietf.org/html/rfc3261#section-7.3.1 + var message = this.userAgentCore.makeOutgoingRequestMessage(method, ruri, fromUri, toUri, { + callId: callId, + cseq: cseq, + fromTag: fromTag, + toTag: toTag, + routeSet: routeSet + }, extraHeaders, body); + return message; + }; + /** + * If the remote sequence number was not empty, but the sequence number + * of the request is lower than the remote sequence number, the request + * is out of order and MUST be rejected with a 500 (Server Internal + * Error) response. + * https://tools.ietf.org/html/rfc3261#section-12.2.2 + * @param request - Incoming request to guard. + * @returns True if the program execution is to continue in the branch in question. + * Otherwise a 500 Server Internal Error was stateless sent and request processing must stop. + */ + Dialog.prototype.sequenceGuard = function (message) { + // ACK guard. + // By convention, handling of unexpected ACKs is responsibility + // the particular dialog implementation. For example, see SessionDialog. + // Furthermore, we cannot reply to an "out of sequence" ACK. + if (message.method === messages_1.C.ACK) { + return true; + } + // Note: We are rejecting on "less than or equal to" the remote + // sequence number (excepting ACK whose numbers equal the requests + // being acknowledged or cancelled), which is the correct thing to + // do in our case. The only time a request with the same sequence number + // will show up here if is a) it is a very late retransmission of a + // request we already handled or b) it is a different request with the + // same sequence number which would be violation of the standard. + // Request retransmissions are absorbed by the transaction layer, + // so any request with a duplicate sequence number getting here + // would have to be a retransmission after the transaction terminated + // or a broken request (with unique via branch value). + // Requests within a dialog MUST contain strictly monotonically + // increasing and contiguous CSeq sequence numbers (increasing-by-one) + // in each direction (excepting ACK and CANCEL of course, whose numbers + // equal the requests being acknowledged or cancelled). Therefore, if + // the local sequence number is not empty, the value of the local + // sequence number MUST be incremented by one, and this value MUST be + // placed into the CSeq header field. + // https://tools.ietf.org/html/rfc3261#section-12.2.1.1 + if (this.remoteSequenceNumber && message.cseq <= this.remoteSequenceNumber) { + this.core.replyStateless(message, { statusCode: 500 }); + return false; + } + return true; + }; + return Dialog; +}()); +exports.Dialog = Dialog; + + +/***/ }), +/* 5 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +// Directories +tslib_1.__exportStar(__webpack_require__(6), exports); +// Files +tslib_1.__exportStar(__webpack_require__(8), exports); +tslib_1.__exportStar(__webpack_require__(19), exports); +tslib_1.__exportStar(__webpack_require__(11), exports); +tslib_1.__exportStar(__webpack_require__(10), exports); +tslib_1.__exportStar(__webpack_require__(9), exports); +tslib_1.__exportStar(__webpack_require__(17), exports); +tslib_1.__exportStar(__webpack_require__(13), exports); +tslib_1.__exportStar(__webpack_require__(18), exports); +tslib_1.__exportStar(__webpack_require__(22), exports); +tslib_1.__exportStar(__webpack_require__(14), exports); +tslib_1.__exportStar(__webpack_require__(15), exports); + + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(7), exports); + + +/***/ }), +/* 7 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * SIP Methods + * @internal + */ +var C; +(function (C) { + C.ACK = "ACK"; + C.BYE = "BYE"; + C.CANCEL = "CANCEL"; + C.INFO = "INFO"; + C.INVITE = "INVITE"; + C.MESSAGE = "MESSAGE"; + C.NOTIFY = "NOTIFY"; + C.OPTIONS = "OPTIONS"; + C.REGISTER = "REGISTER"; + C.UPDATE = "UPDATE"; + C.SUBSCRIBE = "SUBSCRIBE"; + C.PUBLISH = "PUBLISH"; + C.REFER = "REFER"; + C.PRACK = "PRACK"; +})(C = exports.C || (exports.C = {})); + + +/***/ }), +/* 8 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var incoming_request_message_1 = __webpack_require__(9); +var incoming_response_message_1 = __webpack_require__(17); +var outgoing_request_message_1 = __webpack_require__(18); +/** + * Create a Body given a legacy body type. + * @param bodyLegacy - Body Object + * @internal + */ +function fromBodyLegacy(bodyLegacy) { + var content = (typeof bodyLegacy === "string") ? bodyLegacy : bodyLegacy.body; + var contentType = (typeof bodyLegacy === "string") ? "application/sdp" : bodyLegacy.contentType; + var contentDisposition = contentTypeToContentDisposition(contentType); + var body = { contentDisposition: contentDisposition, contentType: contentType, content: content }; + return body; +} +exports.fromBodyLegacy = fromBodyLegacy; +/** + * Given a message, get a normalized body. + * The content disposition is inferred if not set. + * @param message - The message. + * @internal + */ +function getBody(message) { + var contentDisposition; + var contentType; + var content; + // We're in UAS role, receiving incoming request + if (message instanceof incoming_request_message_1.IncomingRequestMessage) { + if (message.body) { + // FIXME: Parsing needs typing + var parse = message.parseHeader("Content-Disposition"); + contentDisposition = parse ? parse.type : undefined; + contentType = message.parseHeader("Content-Type"); + content = message.body; + } + } + // We're in UAC role, receiving incoming response + if (message instanceof incoming_response_message_1.IncomingResponseMessage) { + if (message.body) { + // FIXME: Parsing needs typing + var parse = message.parseHeader("Content-Disposition"); + contentDisposition = parse ? parse.type : undefined; + contentType = message.parseHeader("Content-Type"); + content = message.body; + } + } + // We're in UAC role, sending outgoing request + if (message instanceof outgoing_request_message_1.OutgoingRequestMessage) { + if (message.body) { + contentDisposition = message.getHeader("Content-Disposition"); + contentType = message.getHeader("Content-Type"); + if (typeof message.body === "string") { + // FIXME: OutgoingRequest should not allow a "string" body without a "Content-Type" header. + if (!contentType) { + throw new Error("Header content type header does not equal body content type."); + } + content = message.body; + } + else { + // FIXME: OutgoingRequest should not allow the "Content-Type" header not to match th body content type + if (contentType && contentType !== message.body.contentType) { + throw new Error("Header content type header does not equal body content type."); + } + contentType = message.body.contentType; + content = message.body.body; + } + } + } + // We're in UAS role, sending outgoing response + if (isBody(message)) { + contentDisposition = message.contentDisposition; + contentType = message.contentType; + content = message.content; + } + // No content, no body. + if (!content) { + return undefined; + } + if (contentType && !contentDisposition) { + contentDisposition = contentTypeToContentDisposition(contentType); + } + if (!contentDisposition) { + throw new Error("Content disposition undefined."); + } + if (!contentType) { + throw new Error("Content type undefined."); + } + return { + contentDisposition: contentDisposition, + contentType: contentType, + content: content + }; +} +exports.getBody = getBody; +/** + * User-Defined Type Guard for Body. + * @param body - Body to check. + * @internal + */ +function isBody(body) { + return body && + typeof body.content === "string" && + typeof body.contentType === "string" && + body.contentDisposition === undefined ? true : typeof body.contentDisposition === "string"; +} +exports.isBody = isBody; +// If the Content-Disposition header field is missing, bodies of +// Content-Type application/sdp imply the disposition "session", while +// other content types imply "render". +// https://tools.ietf.org/html/rfc3261#section-13.2.1 +function contentTypeToContentDisposition(contentType) { + if (contentType === "application/sdp") { + return "session"; + } + else { + return "render"; + } +} + + +/***/ }), +/* 9 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var incoming_message_1 = __webpack_require__(10); +/** + * Incoming request message. + * @public + */ +var IncomingRequestMessage = /** @class */ (function (_super) { + tslib_1.__extends(IncomingRequestMessage, _super); + function IncomingRequestMessage() { + return _super.call(this) || this; + } + return IncomingRequestMessage; +}(incoming_message_1.IncomingMessage)); +exports.IncomingRequestMessage = IncomingRequestMessage; + + +/***/ }), +/* 10 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var grammar_1 = __webpack_require__(11); +var utils_1 = __webpack_require__(16); +/** + * Incoming message. + * @public + */ +var IncomingMessage = /** @class */ (function () { + function IncomingMessage() { + this.headers = {}; + } + /** + * Insert a header of the given name and value into the last position of the + * header array. + * @param name - header name + * @param value - header value + */ + IncomingMessage.prototype.addHeader = function (name, value) { + var header = { raw: value }; + name = utils_1.headerize(name); + if (this.headers[name]) { + this.headers[name].push(header); + } + else { + this.headers[name] = [header]; + } + }; + /** + * Get the value of the given header name at the given position. + * @param name - header name + * @returns Returns the specified header, undefined if header doesn't exist. + */ + IncomingMessage.prototype.getHeader = function (name) { + var header = this.headers[utils_1.headerize(name)]; + if (header) { + if (header[0]) { + return header[0].raw; + } + } + else { + return; + } + }; + /** + * Get the header/s of the given name. + * @param name - header name + * @returns Array - with all the headers of the specified name. + */ + IncomingMessage.prototype.getHeaders = function (name) { + var header = this.headers[utils_1.headerize(name)]; + var result = []; + if (!header) { + return []; + } + for (var _i = 0, header_1 = header; _i < header_1.length; _i++) { + var headerPart = header_1[_i]; + result.push(headerPart.raw); + } + return result; + }; + /** + * Verify the existence of the given header. + * @param name - header name + * @returns true if header with given name exists, false otherwise + */ + IncomingMessage.prototype.hasHeader = function (name) { + return !!this.headers[utils_1.headerize(name)]; + }; + /** + * Parse the given header on the given index. + * @param name - header name + * @param idx - header index + * @returns Parsed header object, undefined if the + * header is not present or in case of a parsing error. + */ + IncomingMessage.prototype.parseHeader = function (name, idx) { + if (idx === void 0) { idx = 0; } + name = utils_1.headerize(name); + if (!this.headers[name]) { + // this.logger.log("header '" + name + "' not present"); + return; + } + else if (idx >= this.headers[name].length) { + // this.logger.log("not so many '" + name + "' headers present"); + return; + } + var header = this.headers[name][idx]; + var value = header.raw; + if (header.parsed) { + return header.parsed; + } + // substitute '-' by '_' for grammar rule matching. + var parsed = grammar_1.Grammar.parse(value, name.replace(/-/g, "_")); + if (parsed === -1) { + this.headers[name].splice(idx, 1); // delete from headers + // this.logger.warn('error parsing "' + name + '" header field with value "' + value + '"'); + return; + } + else { + header.parsed = parsed; + return parsed; + } + }; + /** + * Message Header attribute selector. Alias of parseHeader. + * @param name - header name + * @param idx - header index + * @returns Parsed header object, undefined if the + * header is not present or in case of a parsing error. + * + * @example + * message.s('via',3).port + */ + IncomingMessage.prototype.s = function (name, idx) { + if (idx === void 0) { idx = 0; } + return this.parseHeader(name, idx); + }; + /** + * Replace the value of the given header by the value. + * @param name - header name + * @param value - header value + */ + IncomingMessage.prototype.setHeader = function (name, value) { + this.headers[utils_1.headerize(name)] = [{ raw: value }]; + }; + IncomingMessage.prototype.toString = function () { + return this.data; + }; + return IncomingMessage; +}()); +exports.IncomingMessage = IncomingMessage; + + +/***/ }), +/* 11 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var pegGrammar = tslib_1.__importStar(__webpack_require__(12)); +/** + * Grammar. + * @internal + */ +var Grammar; +(function (Grammar) { + /** + * Parse. + * @param input - + * @param startRule - + */ + function parse(input, startRule) { + var options = { startRule: startRule }; + try { + pegGrammar.parse(input, options); + } + catch (e) { + options.data = -1; + } + return options.data; + } + Grammar.parse = parse; + /** + * Parse the given string and returns a SIP.NameAddrHeader instance or undefined if + * it is an invalid NameAddrHeader. + * @param name_addr_header - + */ + function nameAddrHeaderParse(nameAddrHeader) { + var parsedNameAddrHeader = Grammar.parse(nameAddrHeader, "Name_Addr_Header"); + return parsedNameAddrHeader !== -1 ? parsedNameAddrHeader : undefined; + } + Grammar.nameAddrHeaderParse = nameAddrHeaderParse; + /** + * Parse the given string and returns a SIP.URI instance or undefined if + * it is an invalid URI. + * @param uri - + */ + function URIParse(uri) { + var parsedUri = Grammar.parse(uri, "SIP_URI"); + return parsedUri !== -1 ? parsedUri : undefined; + } + Grammar.URIParse = URIParse; +})(Grammar = exports.Grammar || (exports.Grammar = {})); + + +/***/ }), +/* 12 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +// tslint:disable:interface-name +// tslint:disable: trailing-comma +// tslint:disable: object-literal-sort-keys +// tslint:disable: max-line-length +// tslint:disable: only-arrow-functions +// tslint:disable: one-variable-per-declaration +// tslint:disable: no-consecutive-blank-lines +// tslint:disable: align +// tslint:disable: radix +// tslint:disable: quotemark +// tslint:disable: semicolon +// tslint:disable: object-literal-shorthand +// tslint:disable: variable-name +// tslint:disable: no-var-keyword +// tslint:disable: whitespace +// tslint:disable: curly +// tslint:disable: prefer-const +// tslint:disable: object-literal-key-quotes +// tslint:disable: no-string-literal +// tslint:disable: one-line +// tslint:disable: no-unused-expression +// tslint:disable: space-before-function-paren +// tslint:disable: arrow-return-shorthand +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +// Generated by PEG.js v. 0.10.0 (ts-pegjs plugin v. 0.2.6 ) +// +// https://pegjs.org/ https://github.com/metadevpro/ts-pegjs +var name_addr_header_1 = __webpack_require__(13); +var uri_1 = __webpack_require__(15); +var SyntaxError = /** @class */ (function (_super) { + tslib_1.__extends(SyntaxError, _super); + function SyntaxError(message, expected, found, location) { + var _this = _super.call(this) || this; + _this.message = message; + _this.expected = expected; + _this.found = found; + _this.location = location; + _this.name = "SyntaxError"; + if (typeof Error.captureStackTrace === "function") { + Error.captureStackTrace(_this, SyntaxError); + } + return _this; + } + SyntaxError.buildMessage = function (expected, found) { + function hex(ch) { + return ch.charCodeAt(0).toString(16).toUpperCase(); + } + function literalEscape(s) { + return s + .replace(/\\/g, "\\\\") + .replace(/"/g, "\\\"") + .replace(/\0/g, "\\0") + .replace(/\t/g, "\\t") + .replace(/\n/g, "\\n") + .replace(/\r/g, "\\r") + .replace(/[\x00-\x0F]/g, function (ch) { return "\\x0" + hex(ch); }) + .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { return "\\x" + hex(ch); }); + } + function classEscape(s) { + return s + .replace(/\\/g, "\\\\") + .replace(/\]/g, "\\]") + .replace(/\^/g, "\\^") + .replace(/-/g, "\\-") + .replace(/\0/g, "\\0") + .replace(/\t/g, "\\t") + .replace(/\n/g, "\\n") + .replace(/\r/g, "\\r") + .replace(/[\x00-\x0F]/g, function (ch) { return "\\x0" + hex(ch); }) + .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { return "\\x" + hex(ch); }); + } + function describeExpectation(expectation) { + switch (expectation.type) { + case "literal": + return "\"" + literalEscape(expectation.text) + "\""; + case "class": + var escapedParts = expectation.parts.map(function (part) { + return Array.isArray(part) + ? classEscape(part[0]) + "-" + classEscape(part[1]) + : classEscape(part); + }); + return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; + case "any": + return "any character"; + case "end": + return "end of input"; + case "other": + return expectation.description; + } + } + function describeExpected(expected1) { + var descriptions = expected1.map(describeExpectation); + var i; + var j; + descriptions.sort(); + if (descriptions.length > 0) { + for (i = 1, j = 1; i < descriptions.length; i++) { + if (descriptions[i - 1] !== descriptions[i]) { + descriptions[j] = descriptions[i]; + j++; + } + } + descriptions.length = j; + } + switch (descriptions.length) { + case 1: + return descriptions[0]; + case 2: + return descriptions[0] + " or " + descriptions[1]; + default: + return descriptions.slice(0, -1).join(", ") + + ", or " + + descriptions[descriptions.length - 1]; + } + } + function describeFound(found1) { + return found1 ? "\"" + literalEscape(found1) + "\"" : "end of input"; + } + return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; + }; + return SyntaxError; +}(Error)); +exports.SyntaxError = SyntaxError; +function peg$parse(input, options) { + options = options !== undefined ? options : {}; + var peg$FAILED = {}; + var peg$startRuleIndices = { Contact: 119, Name_Addr_Header: 156, Record_Route: 176, Request_Response: 81, SIP_URI: 45, Subscription_State: 186, Supported: 191, Require: 182, Via: 194, absoluteURI: 84, Call_ID: 118, Content_Disposition: 130, Content_Length: 135, Content_Type: 136, CSeq: 146, displayName: 122, Event: 149, From: 151, host: 52, Max_Forwards: 154, Min_SE: 213, Proxy_Authenticate: 157, quoted_string: 40, Refer_To: 178, Replaces: 179, Session_Expires: 210, stun_URI: 217, To: 192, turn_URI: 223, uuid: 226, WWW_Authenticate: 209, challenge: 158, sipfrag: 230, Referred_By: 231 }; + var peg$startRuleIndex = 119; + var peg$consts = [ + "\r\n", + peg$literalExpectation("\r\n", false), + /^[0-9]/, + peg$classExpectation([["0", "9"]], false, false), + /^[a-zA-Z]/, + peg$classExpectation([["a", "z"], ["A", "Z"]], false, false), + /^[0-9a-fA-F]/, + peg$classExpectation([["0", "9"], ["a", "f"], ["A", "F"]], false, false), + /^[\0-\xFF]/, + peg$classExpectation([["\0", "\xFF"]], false, false), + /^["]/, + peg$classExpectation(["\""], false, false), + " ", + peg$literalExpectation(" ", false), + "\t", + peg$literalExpectation("\t", false), + /^[a-zA-Z0-9]/, + peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"]], false, false), + ";", + peg$literalExpectation(";", false), + "/", + peg$literalExpectation("/", false), + "?", + peg$literalExpectation("?", false), + ":", + peg$literalExpectation(":", false), + "@", + peg$literalExpectation("@", false), + "&", + peg$literalExpectation("&", false), + "=", + peg$literalExpectation("=", false), + "+", + peg$literalExpectation("+", false), + "$", + peg$literalExpectation("$", false), + ",", + peg$literalExpectation(",", false), + "-", + peg$literalExpectation("-", false), + "_", + peg$literalExpectation("_", false), + ".", + peg$literalExpectation(".", false), + "!", + peg$literalExpectation("!", false), + "~", + peg$literalExpectation("~", false), + "*", + peg$literalExpectation("*", false), + "'", + peg$literalExpectation("'", false), + "(", + peg$literalExpectation("(", false), + ")", + peg$literalExpectation(")", false), + "%", + peg$literalExpectation("%", false), + function () { return " "; }, + function () { return ':'; }, + /^[!-~]/, + peg$classExpectation([["!", "~"]], false, false), + /^[\x80-\uFFFF]/, + peg$classExpectation([["\x80", "\uFFFF"]], false, false), + /^[\x80-\xBF]/, + peg$classExpectation([["\x80", "\xBF"]], false, false), + /^[a-f]/, + peg$classExpectation([["a", "f"]], false, false), + "`", + peg$literalExpectation("`", false), + "<", + peg$literalExpectation("<", false), + ">", + peg$literalExpectation(">", false), + "\\", + peg$literalExpectation("\\", false), + "[", + peg$literalExpectation("[", false), + "]", + peg$literalExpectation("]", false), + "{", + peg$literalExpectation("{", false), + "}", + peg$literalExpectation("}", false), + function () { return "*"; }, + function () { return "/"; }, + function () { return "="; }, + function () { return "("; }, + function () { return ")"; }, + function () { return ">"; }, + function () { return "<"; }, + function () { return ","; }, + function () { return ";"; }, + function () { return ":"; }, + function () { return "\""; }, + /^[!-']/, + peg$classExpectation([["!", "'"]], false, false), + /^[*-[]/, + peg$classExpectation([["*", "["]], false, false), + /^[\]-~]/, + peg$classExpectation([["]", "~"]], false, false), + function (contents) { + return contents; + }, + /^[#-[]/, + peg$classExpectation([["#", "["]], false, false), + /^[\0-\t]/, + peg$classExpectation([["\0", "\t"]], false, false), + /^[\x0B-\f]/, + peg$classExpectation([["\x0B", "\f"]], false, false), + /^[\x0E-\x7F]/, + peg$classExpectation([["\x0E", "\x7F"]], false, false), + function () { + options = options || { data: {} }; + options.data.uri = new uri_1.URI(options.data.scheme, options.data.user, options.data.host, options.data.port); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + }, + function () { + options = options || { data: {} }; + options.data.uri = new uri_1.URI(options.data.scheme, options.data.user, options.data.host, options.data.port, options.data.uri_params, options.data.uri_headers); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + delete options.data.uri_params; + if (options.startRule === 'SIP_URI') { + options.data = options.data.uri; + } + }, + "sips", + peg$literalExpectation("sips", true), + "sip", + peg$literalExpectation("sip", true), + function (uri_scheme) { + options = options || { data: {} }; + options.data.scheme = uri_scheme; + }, + function () { + options = options || { data: {} }; + options.data.user = decodeURIComponent(text().slice(0, -1)); + }, + function () { + options = options || { data: {} }; + options.data.password = text(); + }, + function () { + options = options || { data: {} }; + options.data.host = text(); + return options.data.host; + }, + function () { + options = options || { data: {} }; + options.data.host_type = 'domain'; + return text(); + }, + /^[a-zA-Z0-9_\-]/, + peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_", "-"], false, false), + /^[a-zA-Z0-9\-]/, + peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "-"], false, false), + function () { + options = options || { data: {} }; + options.data.host_type = 'IPv6'; + return text(); + }, + "::", + peg$literalExpectation("::", false), + function () { + options = options || { data: {} }; + options.data.host_type = 'IPv6'; + return text(); + }, + function () { + options = options || { data: {} }; + options.data.host_type = 'IPv4'; + return text(); + }, + "25", + peg$literalExpectation("25", false), + /^[0-5]/, + peg$classExpectation([["0", "5"]], false, false), + "2", + peg$literalExpectation("2", false), + /^[0-4]/, + peg$classExpectation([["0", "4"]], false, false), + "1", + peg$literalExpectation("1", false), + /^[1-9]/, + peg$classExpectation([["1", "9"]], false, false), + function (port) { + options = options || { data: {} }; + port = parseInt(port.join('')); + options.data.port = port; + return port; + }, + "transport=", + peg$literalExpectation("transport=", true), + "udp", + peg$literalExpectation("udp", true), + "tcp", + peg$literalExpectation("tcp", true), + "sctp", + peg$literalExpectation("sctp", true), + "tls", + peg$literalExpectation("tls", true), + function (transport) { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + options.data.uri_params['transport'] = transport.toLowerCase(); + }, + "user=", + peg$literalExpectation("user=", true), + "phone", + peg$literalExpectation("phone", true), + "ip", + peg$literalExpectation("ip", true), + function (user) { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + options.data.uri_params['user'] = user.toLowerCase(); + }, + "method=", + peg$literalExpectation("method=", true), + function (method) { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + options.data.uri_params['method'] = method; + }, + "ttl=", + peg$literalExpectation("ttl=", true), + function (ttl) { + options = options || { data: {} }; + if (!options.data.params) + options.data.params = {}; + options.data.params['ttl'] = ttl; + }, + "maddr=", + peg$literalExpectation("maddr=", true), + function (maddr) { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + options.data.uri_params['maddr'] = maddr; + }, + "lr", + peg$literalExpectation("lr", true), + function () { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + options.data.uri_params['lr'] = undefined; + }, + function (param, value) { + options = options || { data: {} }; + if (!options.data.uri_params) + options.data.uri_params = {}; + if (value === null) { + value = undefined; + } + else { + value = value[1]; + } + options.data.uri_params[param.toLowerCase()] = value; + }, + function (hname, hvalue) { + hname = hname.join('').toLowerCase(); + hvalue = hvalue.join(''); + options = options || { data: {} }; + if (!options.data.uri_headers) + options.data.uri_headers = {}; + if (!options.data.uri_headers[hname]) { + options.data.uri_headers[hname] = [hvalue]; + } + else { + options.data.uri_headers[hname].push(hvalue); + } + }, + function () { + options = options || { data: {} }; + // lots of tests fail if this isn't guarded... + if (options.startRule === 'Refer_To') { + options.data.uri = new uri_1.URI(options.data.scheme, options.data.user, options.data.host, options.data.port, options.data.uri_params, options.data.uri_headers); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + delete options.data.uri_params; + } + }, + "//", + peg$literalExpectation("//", false), + function () { + options = options || { data: {} }; + options.data.scheme = text(); + }, + peg$literalExpectation("SIP", true), + function () { + options = options || { data: {} }; + options.data.sip_version = text(); + }, + "INVITE", + peg$literalExpectation("INVITE", false), + "ACK", + peg$literalExpectation("ACK", false), + "VXACH", + peg$literalExpectation("VXACH", false), + "OPTIONS", + peg$literalExpectation("OPTIONS", false), + "BYE", + peg$literalExpectation("BYE", false), + "CANCEL", + peg$literalExpectation("CANCEL", false), + "REGISTER", + peg$literalExpectation("REGISTER", false), + "SUBSCRIBE", + peg$literalExpectation("SUBSCRIBE", false), + "NOTIFY", + peg$literalExpectation("NOTIFY", false), + "REFER", + peg$literalExpectation("REFER", false), + "PUBLISH", + peg$literalExpectation("PUBLISH", false), + function () { + options = options || { data: {} }; + options.data.method = text(); + return options.data.method; + }, + function (status_code) { + options = options || { data: {} }; + options.data.status_code = parseInt(status_code.join('')); + }, + function () { + options = options || { data: {} }; + options.data.reason_phrase = text(); + }, + function () { + options = options || { data: {} }; + options.data = text(); + }, + function () { + var idx, length; + options = options || { data: {} }; + length = options.data.multi_header.length; + for (idx = 0; idx < length; idx++) { + if (options.data.multi_header[idx].parsed === null) { + options.data = null; + break; + } + } + if (options.data !== null) { + options.data = options.data.multi_header; + } + else { + options.data = -1; + } + }, + function () { + var header; + options = options || { data: {} }; + if (!options.data.multi_header) + options.data.multi_header = []; + try { + header = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + delete options.data.uri; + delete options.data.displayName; + delete options.data.params; + } + catch (e) { + header = null; + } + options.data.multi_header.push({ 'position': peg$currPos, + 'offset': location().start.offset, + 'parsed': header + }); + }, + function (displayName) { + displayName = text().trim(); + if (displayName[0] === '\"') { + displayName = displayName.substring(1, displayName.length - 1); + } + options = options || { data: {} }; + options.data.displayName = displayName; + }, + "q", + peg$literalExpectation("q", true), + function (q) { + options = options || { data: {} }; + if (!options.data.params) + options.data.params = {}; + options.data.params['q'] = q; + }, + "expires", + peg$literalExpectation("expires", true), + function (expires) { + options = options || { data: {} }; + if (!options.data.params) + options.data.params = {}; + options.data.params['expires'] = expires; + }, + function (delta_seconds) { + return parseInt(delta_seconds.join('')); + }, + "0", + peg$literalExpectation("0", false), + function () { + return parseFloat(text()); + }, + function (param, value) { + options = options || { data: {} }; + if (!options.data.params) + options.data.params = {}; + if (value === null) { + value = undefined; + } + else { + value = value[1]; + } + options.data.params[param.toLowerCase()] = value; + }, + "render", + peg$literalExpectation("render", true), + "session", + peg$literalExpectation("session", true), + "icon", + peg$literalExpectation("icon", true), + "alert", + peg$literalExpectation("alert", true), + function () { + options = options || { data: {} }; + if (options.startRule === 'Content_Disposition') { + options.data.type = text().toLowerCase(); + } + }, + "handling", + peg$literalExpectation("handling", true), + "optional", + peg$literalExpectation("optional", true), + "required", + peg$literalExpectation("required", true), + function (length) { + options = options || { data: {} }; + options.data = parseInt(length.join('')); + }, + function () { + options = options || { data: {} }; + options.data = text(); + }, + "text", + peg$literalExpectation("text", true), + "image", + peg$literalExpectation("image", true), + "audio", + peg$literalExpectation("audio", true), + "video", + peg$literalExpectation("video", true), + "application", + peg$literalExpectation("application", true), + "message", + peg$literalExpectation("message", true), + "multipart", + peg$literalExpectation("multipart", true), + "x-", + peg$literalExpectation("x-", true), + function (cseq_value) { + options = options || { data: {} }; + options.data.value = parseInt(cseq_value.join('')); + }, + function (expires) { options = options || { data: {} }; options.data = expires; }, + function (event_type) { + options = options || { data: {} }; + options.data.event = event_type.toLowerCase(); + }, + function () { + options = options || { data: {} }; + var tag = options.data.tag; + options.data = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + if (tag) { + options.data.setParam('tag', tag); + } + }, + "tag", + peg$literalExpectation("tag", true), + function (tag) { options = options || { data: {} }; options.data.tag = tag; }, + function (forwards) { + options = options || { data: {} }; + options.data = parseInt(forwards.join('')); + }, + function (min_expires) { options = options || { data: {} }; options.data = min_expires; }, + function () { + options = options || { data: {} }; + options.data = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + }, + "digest", + peg$literalExpectation("Digest", true), + "realm", + peg$literalExpectation("realm", true), + function (realm) { options = options || { data: {} }; options.data.realm = realm; }, + "domain", + peg$literalExpectation("domain", true), + "nonce", + peg$literalExpectation("nonce", true), + function (nonce) { options = options || { data: {} }; options.data.nonce = nonce; }, + "opaque", + peg$literalExpectation("opaque", true), + function (opaque) { options = options || { data: {} }; options.data.opaque = opaque; }, + "stale", + peg$literalExpectation("stale", true), + "true", + peg$literalExpectation("true", true), + function () { options = options || { data: {} }; options.data.stale = true; }, + "false", + peg$literalExpectation("false", true), + function () { options = options || { data: {} }; options.data.stale = false; }, + "algorithm", + peg$literalExpectation("algorithm", true), + "md5", + peg$literalExpectation("MD5", true), + "md5-sess", + peg$literalExpectation("MD5-sess", true), + function (algorithm) { + options = options || { data: {} }; + options.data.algorithm = algorithm.toUpperCase(); + }, + "qop", + peg$literalExpectation("qop", true), + "auth-int", + peg$literalExpectation("auth-int", true), + "auth", + peg$literalExpectation("auth", true), + function (qop_value) { + options = options || { data: {} }; + options.data.qop || (options.data.qop = []); + options.data.qop.push(qop_value.toLowerCase()); + }, + function (rack_value) { + options = options || { data: {} }; + options.data.value = parseInt(rack_value.join('')); + }, + function () { + var idx, length; + options = options || { data: {} }; + length = options.data.multi_header.length; + for (idx = 0; idx < length; idx++) { + if (options.data.multi_header[idx].parsed === null) { + options.data = null; + break; + } + } + if (options.data !== null) { + options.data = options.data.multi_header; + } + else { + options.data = -1; + } + }, + function () { + var header; + options = options || { data: {} }; + if (!options.data.multi_header) + options.data.multi_header = []; + try { + header = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + delete options.data.uri; + delete options.data.displayName; + delete options.data.params; + } + catch (e) { + header = null; + } + options.data.multi_header.push({ 'position': peg$currPos, + 'offset': location().start.offset, + 'parsed': header + }); + }, + function () { + options = options || { data: {} }; + options.data = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + }, + function () { + options = options || { data: {} }; + if (!(options.data.replaces_from_tag && options.data.replaces_to_tag)) { + options.data = -1; + } + }, + function () { + options = options || { data: {} }; + options.data = { + call_id: options.data + }; + }, + "from-tag", + peg$literalExpectation("from-tag", true), + function (from_tag) { + options = options || { data: {} }; + options.data.replaces_from_tag = from_tag; + }, + "to-tag", + peg$literalExpectation("to-tag", true), + function (to_tag) { + options = options || { data: {} }; + options.data.replaces_to_tag = to_tag; + }, + "early-only", + peg$literalExpectation("early-only", true), + function () { + options = options || { data: {} }; + options.data.early_only = true; + }, + function (head, r) { return r; }, + function (head, tail) { return list(head, tail); }, + function (value) { + options = options || { data: {} }; + if (options.startRule === 'Require') { + options.data = value || []; + } + }, + function (rseq_value) { + options = options || { data: {} }; + options.data.value = parseInt(rseq_value.join('')); + }, + "active", + peg$literalExpectation("active", true), + "pending", + peg$literalExpectation("pending", true), + "terminated", + peg$literalExpectation("terminated", true), + function () { + options = options || { data: {} }; + options.data.state = text(); + }, + "reason", + peg$literalExpectation("reason", true), + function (reason) { + options = options || { data: {} }; + if (typeof reason !== 'undefined') + options.data.reason = reason; + }, + function (expires) { + options = options || { data: {} }; + if (typeof expires !== 'undefined') + options.data.expires = expires; + }, + "retry_after", + peg$literalExpectation("retry_after", true), + function (retry_after) { + options = options || { data: {} }; + if (typeof retry_after !== 'undefined') + options.data.retry_after = retry_after; + }, + "deactivated", + peg$literalExpectation("deactivated", true), + "probation", + peg$literalExpectation("probation", true), + "rejected", + peg$literalExpectation("rejected", true), + "timeout", + peg$literalExpectation("timeout", true), + "giveup", + peg$literalExpectation("giveup", true), + "noresource", + peg$literalExpectation("noresource", true), + "invariant", + peg$literalExpectation("invariant", true), + function (value) { + options = options || { data: {} }; + if (options.startRule === 'Supported') { + options.data = value || []; + } + }, + function () { + options = options || { data: {} }; + var tag = options.data.tag; + options.data = new name_addr_header_1.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + if (tag) { + options.data.setParam('tag', tag); + } + }, + "ttl", + peg$literalExpectation("ttl", true), + function (via_ttl_value) { + options = options || { data: {} }; + options.data.ttl = via_ttl_value; + }, + "maddr", + peg$literalExpectation("maddr", true), + function (via_maddr) { + options = options || { data: {} }; + options.data.maddr = via_maddr; + }, + "received", + peg$literalExpectation("received", true), + function (via_received) { + options = options || { data: {} }; + options.data.received = via_received; + }, + "branch", + peg$literalExpectation("branch", true), + function (via_branch) { + options = options || { data: {} }; + options.data.branch = via_branch; + }, + "rport", + peg$literalExpectation("rport", true), + function (response_port) { + options = options || { data: {} }; + if (typeof response_port !== 'undefined') + options.data.rport = response_port.join(''); + }, + function (via_protocol) { + options = options || { data: {} }; + options.data.protocol = via_protocol; + }, + peg$literalExpectation("UDP", true), + peg$literalExpectation("TCP", true), + peg$literalExpectation("TLS", true), + peg$literalExpectation("SCTP", true), + function (via_transport) { + options = options || { data: {} }; + options.data.transport = via_transport; + }, + function () { + options = options || { data: {} }; + options.data.host = text(); + }, + function (via_sent_by_port) { + options = options || { data: {} }; + options.data.port = parseInt(via_sent_by_port.join('')); + }, + function (ttl) { + return parseInt(ttl.join('')); + }, + function (deltaSeconds) { + options = options || { data: {} }; + if (options.startRule === 'Session_Expires') { + options.data.deltaSeconds = deltaSeconds; + } + }, + "refresher", + peg$literalExpectation("refresher", false), + "uas", + peg$literalExpectation("uas", false), + "uac", + peg$literalExpectation("uac", false), + function (endpoint) { + options = options || { data: {} }; + if (options.startRule === 'Session_Expires') { + options.data.refresher = endpoint; + } + }, + function (deltaSeconds) { + options = options || { data: {} }; + if (options.startRule === 'Min_SE') { + options.data = deltaSeconds; + } + }, + "stuns", + peg$literalExpectation("stuns", true), + "stun", + peg$literalExpectation("stun", true), + function (scheme) { + options = options || { data: {} }; + options.data.scheme = scheme; + }, + function (host) { + options = options || { data: {} }; + options.data.host = host; + }, + "?transport=", + peg$literalExpectation("?transport=", false), + "turns", + peg$literalExpectation("turns", true), + "turn", + peg$literalExpectation("turn", true), + function (transport) { + options = options || { data: {} }; + options.data.transport = transport; + }, + function () { + options = options || { data: {} }; + options.data = text(); + }, + "Referred-By", + peg$literalExpectation("Referred-By", false), + "b", + peg$literalExpectation("b", false), + "cid", + peg$literalExpectation("cid", false) + ]; + var peg$bytecode = [ + peg$decode("2 \"\"6 7!"), + peg$decode("4\"\"\"5!7#"), + peg$decode("4$\"\"5!7%"), + peg$decode("4&\"\"5!7'"), + peg$decode(";'.# &;("), + peg$decode("4(\"\"5!7)"), + peg$decode("4*\"\"5!7+"), + peg$decode("2,\"\"6,7-"), + peg$decode("2.\"\"6.7/"), + peg$decode("40\"\"5!71"), + peg$decode("22\"\"6273.\x89 &24\"\"6475.} &26\"\"6677.q &28\"\"6879.e &2:\"\"6:7;.Y &2<\"\"6<7=.M &2>\"\"6>7?.A &2@\"\"6@7A.5 &2B\"\"6B7C.) &2D\"\"6D7E"), + peg$decode(";).# &;,"), + peg$decode("2F\"\"6F7G.} &2H\"\"6H7I.q &2J\"\"6J7K.e &2L\"\"6L7M.Y &2N\"\"6N7O.M &2P\"\"6P7Q.A &2R\"\"6R7S.5 &2T\"\"6T7U.) &2V\"\"6V7W"), + peg$decode("%%2X\"\"6X7Y/5#;#/,$;#/#$+#)(#'#(\"'#&'#/\"!&,)"), + peg$decode("%%$;$0#*;$&/,#; 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/,#;\xF8/#$+\")(\"'#&'#.\" &\"/#$+#)(#'#(\"'#&'#"), + peg$decode("%2\u01AB\"\"6\u01AB7\u01AC.) &2\u01AD\"\"6\u01AD7\u01AE/w#;0/n$;\u0108/e$$%;B/2#;\u0109.# &;\xA0/#$+\")(\"'#&'#0<*%;B/2#;\u0109.# &;\xA0/#$+\")(\"'#&'#&/#$+$)($'#(#'#(\"'#&'#"), + peg$decode(";\x99.# &;L"), + peg$decode("%2\u01AF\"\"6\u01AF7\u01B0/5#; peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + peg$maxFailExpected.push(expected1); + } + function peg$buildSimpleError(message, location1) { + return new SyntaxError(message, [], "", location1); + } + function peg$buildStructuredError(expected1, found, location1) { + return new SyntaxError(SyntaxError.buildMessage(expected1, found), expected1, found, location1); + } + function peg$decode(s) { + return s.split("").map(function (ch) { return ch.charCodeAt(0) - 32; }); + } + function peg$parseRule(index) { + var bc = peg$bytecode[index]; + var ip = 0; + var ips = []; + var end = bc.length; + var ends = []; + var stack = []; + var params; + while (true) { + while (ip < end) { + switch (bc[ip]) { + case 0: + stack.push(peg$consts[bc[ip + 1]]); + ip += 2; + break; + case 1: + stack.push(undefined); + ip++; + break; + case 2: + stack.push(null); + ip++; + break; + case 3: + stack.push(peg$FAILED); + ip++; + break; + case 4: + stack.push([]); + ip++; + break; + case 5: + stack.push(peg$currPos); + ip++; + break; + case 6: + stack.pop(); + ip++; + break; + case 7: + peg$currPos = stack.pop(); + ip++; + break; + case 8: + stack.length -= bc[ip + 1]; + ip += 2; + break; + case 9: + stack.splice(-2, 1); + ip++; + break; + case 10: + stack[stack.length - 2].push(stack.pop()); + ip++; + break; + case 11: + stack.push(stack.splice(stack.length - bc[ip + 1], bc[ip + 1])); + ip += 2; + break; + case 12: + stack.push(input.substring(stack.pop(), peg$currPos)); + ip++; + break; + case 13: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + if (stack[stack.length - 1]) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } + else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + break; + case 14: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + if (stack[stack.length - 1] === peg$FAILED) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } + else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + break; + case 15: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + if (stack[stack.length - 1] !== peg$FAILED) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } + else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + break; + case 16: + if (stack[stack.length - 1] !== peg$FAILED) { + ends.push(end); + ips.push(ip); + end = ip + 2 + bc[ip + 1]; + ip += 2; + } + else { + ip += 2 + bc[ip + 1]; + } + break; + case 17: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + if (input.length > peg$currPos) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } + else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + break; + case 18: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length) === peg$consts[bc[ip + 1]]) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } + else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + break; + case 19: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length).toLowerCase() === peg$consts[bc[ip + 1]]) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } + else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + break; + case 20: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + if (peg$consts[bc[ip + 1]].test(input.charAt(peg$currPos))) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } + else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + break; + case 21: + stack.push(input.substr(peg$currPos, bc[ip + 1])); + peg$currPos += bc[ip + 1]; + ip += 2; + break; + case 22: + stack.push(peg$consts[bc[ip + 1]]); + peg$currPos += peg$consts[bc[ip + 1]].length; + ip += 2; + break; + case 23: + stack.push(peg$FAILED); + if (peg$silentFails === 0) { + peg$fail(peg$consts[bc[ip + 1]]); + } + ip += 2; + break; + case 24: + peg$savedPos = stack[stack.length - 1 - bc[ip + 1]]; + ip += 2; + break; + case 25: + peg$savedPos = peg$currPos; + ip++; + break; + case 26: + params = bc.slice(ip + 4, ip + 4 + bc[ip + 3]) + .map(function (p) { return stack[stack.length - 1 - p]; }); + stack.splice(stack.length - bc[ip + 2], bc[ip + 2], peg$consts[bc[ip + 1]].apply(null, params)); + ip += 4 + bc[ip + 3]; + break; + case 27: + stack.push(peg$parseRule(bc[ip + 1])); + ip += 2; + break; + case 28: + peg$silentFails++; + ip++; + break; + case 29: + peg$silentFails--; + ip++; + break; + default: + throw new Error("Invalid opcode: " + bc[ip] + "."); + } + } + if (ends.length > 0) { + end = ends.pop(); + ip = ips.pop(); + } + else { + break; + } + } + return stack[0]; + } + options.data = {}; // Object to which header attributes will be assigned during parsing + function list(head, tail) { + return [head].concat(tail); + } + peg$result = peg$parseRule(peg$startRuleIndex); + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } + else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail(peg$endExpectation()); + } + throw peg$buildStructuredError(peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length + ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) + : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)); + } +} +exports.parse = peg$parse; + + +/***/ }), +/* 13 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var parameters_1 = __webpack_require__(14); +/** + * Name Address SIP header. + * @public + */ +var NameAddrHeader = /** @class */ (function (_super) { + tslib_1.__extends(NameAddrHeader, _super); + /** + * Constructor + * @param uri - + * @param displayName - + * @param parameters - + */ + function NameAddrHeader(uri, displayName, parameters) { + var _this = _super.call(this, parameters) || this; + _this.uri = uri; + _this._displayName = displayName; + return _this; + } + Object.defineProperty(NameAddrHeader.prototype, "friendlyName", { + get: function () { + return this.displayName || this.uri.aor; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(NameAddrHeader.prototype, "displayName", { + get: function () { return this._displayName; }, + set: function (value) { + this._displayName = value; + }, + enumerable: true, + configurable: true + }); + NameAddrHeader.prototype.clone = function () { + return new NameAddrHeader(this.uri.clone(), this._displayName, JSON.parse(JSON.stringify(this.parameters))); + }; + NameAddrHeader.prototype.toString = function () { + var body = (this.displayName || this.displayName === "0") ? '"' + this.displayName + '" ' : ""; + body += "<" + this.uri.toString() + ">"; + for (var parameter in this.parameters) { + if (this.parameters.hasOwnProperty(parameter)) { + body += ";" + parameter; + if (this.parameters[parameter] !== null) { + body += "=" + this.parameters[parameter]; + } + } + } + return body; + }; + return NameAddrHeader; +}(parameters_1.Parameters)); +exports.NameAddrHeader = NameAddrHeader; + + +/***/ }), +/* 14 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * @internal + */ +var Parameters = /** @class */ (function () { + function Parameters(parameters) { + this.parameters = {}; + for (var param in parameters) { + if (parameters.hasOwnProperty(param)) { + this.setParam(param, parameters[param]); + } + } + } + Parameters.prototype.setParam = function (key, value) { + if (key) { + this.parameters[key.toLowerCase()] = (typeof value === "undefined" || value === null) ? null : value.toString(); + } + }; + Parameters.prototype.getParam = function (key) { + if (key) { + return this.parameters[key.toLowerCase()]; + } + }; + Parameters.prototype.hasParam = function (key) { + if (key) { + return !!this.parameters.hasOwnProperty(key.toLowerCase()); + } + return false; + }; + Parameters.prototype.deleteParam = function (parameter) { + parameter = parameter.toLowerCase(); + if (this.parameters.hasOwnProperty(parameter)) { + var value = this.parameters[parameter]; + delete this.parameters[parameter]; + return value; + } + }; + Parameters.prototype.clearParams = function () { + this.parameters = {}; + }; + return Parameters; +}()); +exports.Parameters = Parameters; + + +/***/ }), +/* 15 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var parameters_1 = __webpack_require__(14); +/** + * URI. + * @public + */ +var URI = /** @class */ (function (_super) { + tslib_1.__extends(URI, _super); + /** + * Constructor + * @param scheme - + * @param user - + * @param host - + * @param port - + * @param parameters - + * @param headers - + */ + function URI(scheme, user, host, port, parameters, headers) { + var _this = _super.call(this, parameters) || this; + _this.headers = {}; + // Checks + if (!host) { + throw new TypeError('missing or invalid "host" parameter'); + } + // Initialize parameters + scheme = scheme || "sip"; + for (var header in headers) { + if (headers.hasOwnProperty(header)) { + _this.setHeader(header, headers[header]); + } + } + // Raw URI + _this.raw = { + scheme: scheme, + user: user, + host: host, + port: port + }; + // Normalized URI + _this.normal = { + scheme: scheme.toLowerCase(), + user: user, + host: host.toLowerCase(), + port: port + }; + return _this; + } + Object.defineProperty(URI.prototype, "scheme", { + get: function () { return this.normal.scheme; }, + set: function (value) { + this.raw.scheme = value; + this.normal.scheme = value.toLowerCase(); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(URI.prototype, "user", { + get: function () { return this.normal.user; }, + set: function (value) { + this.normal.user = this.raw.user = value; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(URI.prototype, "host", { + get: function () { return this.normal.host; }, + set: function (value) { + this.raw.host = value; + this.normal.host = value.toLowerCase(); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(URI.prototype, "aor", { + get: function () { return this.normal.user + "@" + this.normal.host; }, + enumerable: true, + configurable: true + }); + Object.defineProperty(URI.prototype, "port", { + get: function () { return this.normal.port; }, + set: function (value) { + this.normal.port = this.raw.port = value === 0 ? value : value; + }, + enumerable: true, + configurable: true + }); + URI.prototype.setHeader = function (name, value) { + this.headers[this.headerize(name)] = (value instanceof Array) ? value : [value]; + }; + URI.prototype.getHeader = function (name) { + if (name) { + return this.headers[this.headerize(name)]; + } + }; + URI.prototype.hasHeader = function (name) { + return !!name && !!this.headers.hasOwnProperty(this.headerize(name)); + }; + URI.prototype.deleteHeader = function (header) { + header = this.headerize(header); + if (this.headers.hasOwnProperty(header)) { + var value = this.headers[header]; + delete this.headers[header]; + return value; + } + }; + URI.prototype.clearHeaders = function () { + this.headers = {}; + }; + URI.prototype.clone = function () { + return new URI(this._raw.scheme, this._raw.user || "", this._raw.host, this._raw.port, JSON.parse(JSON.stringify(this.parameters)), JSON.parse(JSON.stringify(this.headers))); + }; + URI.prototype.toRaw = function () { + return this._toString(this._raw); + }; + URI.prototype.toString = function () { + return this._toString(this._normal); + }; + Object.defineProperty(URI.prototype, "_normal", { + get: function () { return this.normal; }, + enumerable: true, + configurable: true + }); + Object.defineProperty(URI.prototype, "_raw", { + get: function () { return this.raw; }, + enumerable: true, + configurable: true + }); + URI.prototype._toString = function (uri) { + var uriString = uri.scheme + ":"; + // add slashes if it's not a sip(s) URI + if (!uri.scheme.toLowerCase().match("^sips?$")) { + uriString += "//"; + } + if (uri.user) { + uriString += this.escapeUser(uri.user) + "@"; + } + uriString += uri.host; + if (uri.port || uri.port === 0) { + uriString += ":" + uri.port; + } + for (var parameter in this.parameters) { + if (this.parameters.hasOwnProperty(parameter)) { + uriString += ";" + parameter; + if (this.parameters[parameter] !== null) { + uriString += "=" + this.parameters[parameter]; + } + } + } + var headers = []; + for (var header in this.headers) { + if (this.headers.hasOwnProperty(header)) { + for (var idx in this.headers[header]) { + if (this.headers[header].hasOwnProperty(idx)) { + headers.push(header + "=" + this.headers[header][idx]); + } + } + } + } + if (headers.length > 0) { + uriString += "?" + headers.join("&"); + } + return uriString; + }; + /* + * Hex-escape a SIP URI user. + * @private + * @param {String} user + */ + URI.prototype.escapeUser = function (user) { + var decodedUser; + // FIXME: This is called by toString above which should never throw, but + // decodeURIComponent can throw and I've seen one case in production where + // it did throw resulting in a cascading failure. This class should be + // fixed so that decodeURIComponent is not called at this point (in toString). + // The user should be decoded when the URI is constructor or some other + // place where we can catch the error before the URI is created or somesuch. + try { + decodedUser = decodeURIComponent(user); + } + catch (error) { + throw error; + } + // Don't hex-escape ':' (%3A), '+' (%2B), '?' (%3F"), '/' (%2F). + return encodeURIComponent(decodedUser) + .replace(/%3A/ig, ":") + .replace(/%2B/ig, "+") + .replace(/%3F/ig, "?") + .replace(/%2F/ig, "/"); + }; + URI.prototype.headerize = function (str) { + var exceptions = { + "Call-Id": "Call-ID", + "Cseq": "CSeq", + "Min-Se": "Min-SE", + "Rack": "RAck", + "Rseq": "RSeq", + "Www-Authenticate": "WWW-Authenticate", + }; + var name = str.toLowerCase().replace(/_/g, "-").split("-"); + var parts = name.length; + var hname = ""; + for (var part = 0; part < parts; part++) { + if (part !== 0) { + hname += "-"; + } + hname += name[part].charAt(0).toUpperCase() + name[part].substring(1); + } + if (exceptions[hname]) { + hname = exceptions[hname]; + } + return hname; + }; + return URI; +}(parameters_1.Parameters)); +exports.URI = URI; + + +/***/ }), +/* 16 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * @param size - + * @param base - + * @internal + */ +function createRandomToken(size, base) { + if (base === void 0) { base = 32; } + var token = ""; + for (var i = 0; i < size; i++) { + var r = Math.floor(Math.random() * base); + token += r.toString(base); + } + return token; +} +exports.createRandomToken = createRandomToken; +/** + * @internal + */ +function getReasonPhrase(code) { + return REASON_PHRASE[code] || ""; +} +exports.getReasonPhrase = getReasonPhrase; +/** + * @internal + */ +function newTag() { + return createRandomToken(10); +} +exports.newTag = newTag; +/** + * @param str - + * @internal + */ +function headerize(str) { + var exceptions = { + "Call-Id": "Call-ID", + "Cseq": "CSeq", + "Min-Se": "Min-SE", + "Rack": "RAck", + "Rseq": "RSeq", + "Www-Authenticate": "WWW-Authenticate", + }; + var name = str.toLowerCase().replace(/_/g, "-").split("-"); + var parts = name.length; + var hname = ""; + for (var part = 0; part < parts; part++) { + if (part !== 0) { + hname += "-"; + } + hname += name[part].charAt(0).toUpperCase() + name[part].substring(1); + } + if (exceptions[hname]) { + hname = exceptions[hname]; + } + return hname; +} +exports.headerize = headerize; +/** + * @param str - + * @internal + */ +function str_utf8_length(str) { + return encodeURIComponent(str).replace(/%[A-F\d]{2}/g, "U").length; +} +exports.str_utf8_length = str_utf8_length; +/** + * SIP Response Reasons + * DOC: http://www.iana.org/assignments/sip-parameters + * @internal + */ +var REASON_PHRASE = { + 100: "Trying", + 180: "Ringing", + 181: "Call Is Being Forwarded", + 182: "Queued", + 183: "Session Progress", + 199: "Early Dialog Terminated", + 200: "OK", + 202: "Accepted", + 204: "No Notification", + 300: "Multiple Choices", + 301: "Moved Permanently", + 302: "Moved Temporarily", + 305: "Use Proxy", + 380: "Alternative Service", + 400: "Bad Request", + 401: "Unauthorized", + 402: "Payment Required", + 403: "Forbidden", + 404: "Not Found", + 405: "Method Not Allowed", + 406: "Not Acceptable", + 407: "Proxy Authentication Required", + 408: "Request Timeout", + 410: "Gone", + 412: "Conditional Request Failed", + 413: "Request Entity Too Large", + 414: "Request-URI Too Long", + 415: "Unsupported Media Type", + 416: "Unsupported URI Scheme", + 417: "Unknown Resource-Priority", + 420: "Bad Extension", + 421: "Extension Required", + 422: "Session Interval Too Small", + 423: "Interval Too Brief", + 428: "Use Identity Header", + 429: "Provide Referrer Identity", + 430: "Flow Failed", + 433: "Anonymity Disallowed", + 436: "Bad Identity-Info", + 437: "Unsupported Certificate", + 438: "Invalid Identity Header", + 439: "First Hop Lacks Outbound Support", + 440: "Max-Breadth Exceeded", + 469: "Bad Info Package", + 470: "Consent Needed", + 478: "Unresolvable Destination", + 480: "Temporarily Unavailable", + 481: "Call/Transaction Does Not Exist", + 482: "Loop Detected", + 483: "Too Many Hops", + 484: "Address Incomplete", + 485: "Ambiguous", + 486: "Busy Here", + 487: "Request Terminated", + 488: "Not Acceptable Here", + 489: "Bad Event", + 491: "Request Pending", + 493: "Undecipherable", + 494: "Security Agreement Required", + 500: "Internal Server Error", + 501: "Not Implemented", + 502: "Bad Gateway", + 503: "Service Unavailable", + 504: "Server Time-out", + 505: "Version Not Supported", + 513: "Message Too Large", + 580: "Precondition Failure", + 600: "Busy Everywhere", + 603: "Decline", + 604: "Does Not Exist Anywhere", + 606: "Not Acceptable" +}; + + +/***/ }), +/* 17 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var incoming_message_1 = __webpack_require__(10); +/** + * Incoming response message. + * @public + */ +var IncomingResponseMessage = /** @class */ (function (_super) { + tslib_1.__extends(IncomingResponseMessage, _super); + function IncomingResponseMessage() { + return _super.call(this) || this; + } + return IncomingResponseMessage; +}(incoming_message_1.IncomingMessage)); +exports.IncomingResponseMessage = IncomingResponseMessage; + + +/***/ }), +/* 18 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var name_addr_header_1 = __webpack_require__(13); +var utils_1 = __webpack_require__(16); +/** + * Outgoing SIP request message. + * @public + */ +var OutgoingRequestMessage = /** @class */ (function () { + function OutgoingRequestMessage(method, ruri, fromURI, toURI, options, extraHeaders, body) { + this.headers = {}; + this.extraHeaders = []; + this.options = OutgoingRequestMessage.getDefaultOptions(); + // Options - merge a deep copy + if (options) { + this.options = tslib_1.__assign(tslib_1.__assign({}, this.options), options); + if (this.options.optionTags && this.options.optionTags.length) { + this.options.optionTags = this.options.optionTags.slice(); + } + if (this.options.routeSet && this.options.routeSet.length) { + this.options.routeSet = this.options.routeSet.slice(); + } + } + // Extra headers - deep copy + if (extraHeaders && extraHeaders.length) { + this.extraHeaders = extraHeaders.slice(); + } + // Body - deep copy + if (body) { + // TODO: internal representation should be Body + // this.body = { ...body }; + this.body = { + body: body.content, + contentType: body.contentType + }; + } + // Method + this.method = method; + // RURI + this.ruri = ruri.clone(); + // From + this.fromURI = fromURI.clone(); + this.fromTag = this.options.fromTag ? this.options.fromTag : utils_1.newTag(); + this.from = OutgoingRequestMessage.makeNameAddrHeader(this.fromURI, this.options.fromDisplayName, this.fromTag); + // To + this.toURI = toURI.clone(); + this.toTag = this.options.toTag; + this.to = OutgoingRequestMessage.makeNameAddrHeader(this.toURI, this.options.toDisplayName, this.toTag); + // Call-ID + this.callId = this.options.callId ? this.options.callId : this.options.callIdPrefix + utils_1.createRandomToken(15); + // CSeq + this.cseq = this.options.cseq; + // The relative order of header fields with different field names is not + // significant. However, it is RECOMMENDED that header fields which are + // needed for proxy processing (Via, Route, Record-Route, Proxy-Require, + // Max-Forwards, and Proxy-Authorization, for example) appear towards + // the top of the message to facilitate rapid parsing. + // https://tools.ietf.org/html/rfc3261#section-7.3.1 + this.setHeader("route", this.options.routeSet); + this.setHeader("via", ""); + this.setHeader("to", this.to.toString()); + this.setHeader("from", this.from.toString()); + this.setHeader("cseq", this.cseq + " " + this.method); + this.setHeader("call-id", this.callId); + this.setHeader("max-forwards", "70"); + } + /** Get a copy of the default options. */ + OutgoingRequestMessage.getDefaultOptions = function () { + return { + callId: "", + callIdPrefix: "", + cseq: 1, + toDisplayName: "", + toTag: "", + fromDisplayName: "", + fromTag: "", + forceRport: false, + hackViaTcp: false, + optionTags: ["outbound"], + routeSet: [], + userAgentString: "sip.js", + viaHost: "" + }; + }; + OutgoingRequestMessage.makeNameAddrHeader = function (uri, displayName, tag) { + var parameters = {}; + if (tag) { + parameters.tag = tag; + } + return new name_addr_header_1.NameAddrHeader(uri, displayName, parameters); + }; + /** + * Get the value of the given header name at the given position. + * @param name - header name + * @returns Returns the specified header, undefined if header doesn't exist. + */ + OutgoingRequestMessage.prototype.getHeader = function (name) { + var header = this.headers[utils_1.headerize(name)]; + if (header) { + if (header[0]) { + return header[0]; + } + } + else { + var regexp = new RegExp("^\\s*" + name + "\\s*:", "i"); + for (var _i = 0, _a = this.extraHeaders; _i < _a.length; _i++) { + var exHeader = _a[_i]; + if (regexp.test(exHeader)) { + return exHeader.substring(exHeader.indexOf(":") + 1).trim(); + } + } + } + return; + }; + /** + * Get the header/s of the given name. + * @param name - header name + * @returns Array with all the headers of the specified name. + */ + OutgoingRequestMessage.prototype.getHeaders = function (name) { + var result = []; + var headerArray = this.headers[utils_1.headerize(name)]; + if (headerArray) { + for (var _i = 0, headerArray_1 = headerArray; _i < headerArray_1.length; _i++) { + var headerPart = headerArray_1[_i]; + result.push(headerPart); + } + } + else { + var regexp = new RegExp("^\\s*" + name + "\\s*:", "i"); + for (var _a = 0, _b = this.extraHeaders; _a < _b.length; _a++) { + var exHeader = _b[_a]; + if (regexp.test(exHeader)) { + result.push(exHeader.substring(exHeader.indexOf(":") + 1).trim()); + } + } + } + return result; + }; + /** + * Verify the existence of the given header. + * @param name - header name + * @returns true if header with given name exists, false otherwise + */ + OutgoingRequestMessage.prototype.hasHeader = function (name) { + if (this.headers[utils_1.headerize(name)]) { + return true; + } + else { + var regexp = new RegExp("^\\s*" + name + "\\s*:", "i"); + for (var _i = 0, _a = this.extraHeaders; _i < _a.length; _i++) { + var extraHeader = _a[_i]; + if (regexp.test(extraHeader)) { + return true; + } + } + } + return false; + }; + /** + * Replace the the given header by the given value. + * @param name - header name + * @param value - header value + */ + OutgoingRequestMessage.prototype.setHeader = function (name, value) { + this.headers[utils_1.headerize(name)] = (value instanceof Array) ? value : [value]; + }; + /** + * The Via header field indicates the transport used for the transaction + * and identifies the location where the response is to be sent. A Via + * header field value is added only after the transport that will be + * used to reach the next hop has been selected (which may involve the + * usage of the procedures in [4]). + * + * When the UAC creates a request, it MUST insert a Via into that + * request. The protocol name and protocol version in the header field + * MUST be SIP and 2.0, respectively. The Via header field value MUST + * contain a branch parameter. This parameter is used to identify the + * transaction created by that request. This parameter is used by both + * the client and the server. + * https://tools.ietf.org/html/rfc3261#section-8.1.1.7 + * @param branchParameter - The branch parameter. + * @param scheme - The scheme. + */ + OutgoingRequestMessage.prototype.setViaHeader = function (branch, scheme) { + if (scheme === void 0) { scheme = "WSS"; } + // FIXME: Hack + if (this.options.hackViaTcp) { + scheme = "TCP"; + } + var via = "SIP/2.0/" + scheme; + via += " " + this.options.viaHost + ";branch=" + branch; + if (this.options.forceRport) { + via += ";rport"; + } + this.setHeader("via", via); + this.branch = branch; + }; + OutgoingRequestMessage.prototype.toString = function () { + var msg = ""; + msg += this.method + " " + this.ruri.toRaw() + " SIP/2.0\r\n"; + for (var header in this.headers) { + if (this.headers[header]) { + for (var _i = 0, _a = this.headers[header]; _i < _a.length; _i++) { + var headerPart = _a[_i]; + msg += header + ": " + headerPart + "\r\n"; + } + } + } + for (var _b = 0, _c = this.extraHeaders; _b < _c.length; _b++) { + var header = _c[_b]; + msg += header.trim() + "\r\n"; + } + msg += "Supported: " + this.options.optionTags.join(", ") + "\r\n"; + msg += "User-Agent: " + this.options.userAgentString + "\r\n"; + if (this.body) { + if (typeof this.body === "string") { + msg += "Content-Length: " + utils_1.str_utf8_length(this.body) + "\r\n\r\n"; + msg += this.body; + } + else { + if (this.body.body && this.body.contentType) { + msg += "Content-Type: " + this.body.contentType + "\r\n"; + msg += "Content-Length: " + utils_1.str_utf8_length(this.body.body) + "\r\n\r\n"; + msg += this.body.body; + } + else { + msg += "Content-Length: " + 0 + "\r\n\r\n"; + } + } + } + else { + msg += "Content-Length: " + 0 + "\r\n\r\n"; + } + return msg; + }; + return OutgoingRequestMessage; +}()); +exports.OutgoingRequestMessage = OutgoingRequestMessage; + + +/***/ }), +/* 19 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var md5_1 = tslib_1.__importDefault(__webpack_require__(20)); +var utils_1 = __webpack_require__(16); +/** + * Digest Authentication. + * @internal + */ +var DigestAuthentication = /** @class */ (function () { + /** + * Constructor. + * @param loggerFactory - LoggerFactory. + * @param username - Username. + * @param password - Password. + */ + function DigestAuthentication(loggerFactory, username, password) { + this.logger = loggerFactory.getLogger("sipjs.digestauthentication"); + this.username = username; + this.password = password; + this.nc = 0; + this.ncHex = "00000000"; + } + /** + * Performs Digest authentication given a SIP request and the challenge + * received in a response to that request. + * @param request - + * @param challenge - + * @returns true if credentials were successfully generated, false otherwise. + */ + DigestAuthentication.prototype.authenticate = function (request, challenge, body) { + // Inspect and validate the challenge. + this.algorithm = challenge.algorithm; + this.realm = challenge.realm; + this.nonce = challenge.nonce; + this.opaque = challenge.opaque; + this.stale = challenge.stale; + if (this.algorithm) { + if (this.algorithm !== "MD5") { + this.logger.warn("challenge with Digest algorithm different than 'MD5', authentication aborted"); + return false; + } + } + else { + this.algorithm = "MD5"; + } + if (!this.realm) { + this.logger.warn("challenge without Digest realm, authentication aborted"); + return false; + } + if (!this.nonce) { + this.logger.warn("challenge without Digest nonce, authentication aborted"); + return false; + } + // 'qop' can contain a list of values (Array). Let's choose just one. + if (challenge.qop) { + if (challenge.qop.indexOf("auth") > -1) { + this.qop = "auth"; + } + else if (challenge.qop.indexOf("auth-int") > -1) { + this.qop = "auth-int"; + } + else { + // Otherwise 'qop' is present but does not contain 'auth' or 'auth-int', so abort here. + this.logger.warn("challenge without Digest qop different than 'auth' or 'auth-int', authentication aborted"); + return false; + } + } + else { + this.qop = undefined; + } + // Fill other attributes. + this.method = request.method; + this.uri = request.ruri; + this.cnonce = utils_1.createRandomToken(12); + this.nc += 1; + this.updateNcHex(); + // nc-value = 8LHEX. Max value = 'FFFFFFFF'. + if (this.nc === 4294967296) { + this.nc = 1; + this.ncHex = "00000001"; + } + // Calculate the Digest "response" value. + this.calculateResponse(body); + return true; + }; + /** + * Return the Proxy-Authorization or WWW-Authorization header value. + */ + DigestAuthentication.prototype.toString = function () { + var authParams = []; + if (!this.response) { + throw new Error("response field does not exist, cannot generate Authorization header"); + } + authParams.push("algorithm=" + this.algorithm); + authParams.push('username="' + this.username + '"'); + authParams.push('realm="' + this.realm + '"'); + authParams.push('nonce="' + this.nonce + '"'); + authParams.push('uri="' + this.uri + '"'); + authParams.push('response="' + this.response + '"'); + if (this.opaque) { + authParams.push('opaque="' + this.opaque + '"'); + } + if (this.qop) { + authParams.push("qop=" + this.qop); + authParams.push('cnonce="' + this.cnonce + '"'); + authParams.push("nc=" + this.ncHex); + } + return "Digest " + authParams.join(", "); + }; + /** + * Generate the 'nc' value as required by Digest in this.ncHex by reading this.nc. + */ + DigestAuthentication.prototype.updateNcHex = function () { + var hex = Number(this.nc).toString(16); + this.ncHex = "00000000".substr(0, 8 - hex.length) + hex; + }; + /** + * Generate Digest 'response' value. + */ + DigestAuthentication.prototype.calculateResponse = function (body) { + var ha2; + // HA1 = MD5(A1) = MD5(username:realm:password) + var ha1 = md5_1.default(this.username + ":" + this.realm + ":" + this.password); + if (this.qop === "auth") { + // HA2 = MD5(A2) = MD5(method:digestURI) + ha2 = md5_1.default(this.method + ":" + this.uri); + // response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2) + this.response = md5_1.default(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth:" + ha2); + } + else if (this.qop === "auth-int") { + // HA2 = MD5(A2) = MD5(method:digestURI:MD5(entityBody)) + ha2 = md5_1.default(this.method + ":" + this.uri + ":" + md5_1.default(body ? body : "")); + // response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2) + this.response = md5_1.default(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth-int:" + ha2); + } + else if (this.qop === undefined) { + // HA2 = MD5(A2) = MD5(method:digestURI) + ha2 = md5_1.default(this.method + ":" + this.uri); + // response = MD5(HA1:nonce:HA2) + this.response = md5_1.default(ha1 + ":" + this.nonce + ":" + ha2); + } + }; + return DigestAuthentication; +}()); +exports.DigestAuthentication = DigestAuthentication; + + +/***/ }), +/* 20 */ +/***/ (function(module, exports, __webpack_require__) { + +;(function (root, factory) { + if (true) { + // CommonJS + module.exports = exports = factory(__webpack_require__(21)); + } + else {} +}(this, function (CryptoJS) { + + (function (Math) { + // Shortcuts + var C = CryptoJS; + var C_lib = C.lib; + var WordArray = C_lib.WordArray; + var Hasher = C_lib.Hasher; + var C_algo = C.algo; + + // Constants table + var T = []; + + // Compute constants + (function () { + for (var i = 0; i < 64; i++) { + T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0; + } + }()); + + /** + * MD5 hash algorithm. + */ + var MD5 = C_algo.MD5 = Hasher.extend({ + _doReset: function () { + this._hash = new WordArray.init([ + 0x67452301, 0xefcdab89, + 0x98badcfe, 0x10325476 + ]); + }, + + _doProcessBlock: function (M, offset) { + // Swap endian + for (var i = 0; i < 16; i++) { + // Shortcuts + var offset_i = offset + i; + var M_offset_i = M[offset_i]; + + M[offset_i] = ( + (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) | + (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00) + ); + } + + // Shortcuts + var H = this._hash.words; + + var M_offset_0 = M[offset + 0]; + var M_offset_1 = M[offset + 1]; + var M_offset_2 = M[offset + 2]; + var M_offset_3 = M[offset + 3]; + var M_offset_4 = M[offset + 4]; + var M_offset_5 = M[offset + 5]; + var M_offset_6 = M[offset + 6]; + var M_offset_7 = M[offset + 7]; + var M_offset_8 = M[offset + 8]; + var M_offset_9 = M[offset + 9]; + var M_offset_10 = M[offset + 10]; + var M_offset_11 = M[offset + 11]; + var M_offset_12 = M[offset + 12]; + var M_offset_13 = M[offset + 13]; + var M_offset_14 = M[offset + 14]; + var M_offset_15 = M[offset + 15]; + + // Working varialbes + var a = H[0]; + var b = H[1]; + var c = H[2]; + var d = H[3]; + + // Computation + a = FF(a, b, c, d, M_offset_0, 7, T[0]); + d = FF(d, a, b, c, M_offset_1, 12, T[1]); + c = FF(c, d, a, b, M_offset_2, 17, T[2]); + b = FF(b, c, d, a, M_offset_3, 22, T[3]); + a = FF(a, b, c, d, M_offset_4, 7, T[4]); + d = FF(d, a, b, c, M_offset_5, 12, T[5]); + c = FF(c, d, a, b, M_offset_6, 17, T[6]); + b = FF(b, c, d, a, M_offset_7, 22, T[7]); + a = FF(a, b, c, d, M_offset_8, 7, T[8]); + d = FF(d, a, b, c, M_offset_9, 12, T[9]); + c = FF(c, d, a, b, M_offset_10, 17, T[10]); + b = FF(b, c, d, a, M_offset_11, 22, T[11]); + a = FF(a, b, c, d, M_offset_12, 7, T[12]); + d = FF(d, a, b, c, M_offset_13, 12, T[13]); + c = FF(c, d, a, b, M_offset_14, 17, T[14]); + b = FF(b, c, d, a, M_offset_15, 22, T[15]); + + a = GG(a, b, c, d, M_offset_1, 5, T[16]); + d = GG(d, a, b, c, M_offset_6, 9, T[17]); + c = GG(c, d, a, b, M_offset_11, 14, T[18]); + b = GG(b, c, d, a, M_offset_0, 20, T[19]); + a = GG(a, b, c, d, M_offset_5, 5, T[20]); + d = GG(d, a, b, c, M_offset_10, 9, T[21]); + c = GG(c, d, a, b, M_offset_15, 14, T[22]); + b = GG(b, c, d, a, M_offset_4, 20, T[23]); + a = GG(a, b, c, d, M_offset_9, 5, T[24]); + d = GG(d, a, b, c, M_offset_14, 9, T[25]); + c = GG(c, d, a, b, M_offset_3, 14, T[26]); + b = GG(b, c, d, a, M_offset_8, 20, T[27]); + a = GG(a, b, c, d, M_offset_13, 5, T[28]); + d = GG(d, a, b, c, M_offset_2, 9, T[29]); + c = GG(c, d, a, b, M_offset_7, 14, T[30]); + b = GG(b, c, d, a, M_offset_12, 20, T[31]); + + a = HH(a, b, c, d, M_offset_5, 4, T[32]); + d = HH(d, a, b, c, M_offset_8, 11, T[33]); + c = HH(c, d, a, b, M_offset_11, 16, T[34]); + b = HH(b, c, d, a, M_offset_14, 23, T[35]); + a = HH(a, b, c, d, M_offset_1, 4, T[36]); + d = HH(d, a, b, c, M_offset_4, 11, T[37]); + c = HH(c, d, a, b, M_offset_7, 16, T[38]); + b = HH(b, c, d, a, M_offset_10, 23, T[39]); + a = HH(a, b, c, d, M_offset_13, 4, T[40]); + d = HH(d, a, b, c, M_offset_0, 11, T[41]); + c = HH(c, d, a, b, M_offset_3, 16, T[42]); + b = HH(b, c, d, a, M_offset_6, 23, T[43]); + a = HH(a, b, c, d, M_offset_9, 4, T[44]); + d = HH(d, a, b, c, M_offset_12, 11, T[45]); + c = HH(c, d, a, b, M_offset_15, 16, T[46]); + b = HH(b, c, d, a, M_offset_2, 23, T[47]); + + a = II(a, b, c, d, M_offset_0, 6, T[48]); + d = II(d, a, b, c, M_offset_7, 10, T[49]); + c = II(c, d, a, b, M_offset_14, 15, T[50]); + b = II(b, c, d, a, M_offset_5, 21, T[51]); + a = II(a, b, c, d, M_offset_12, 6, T[52]); + d = II(d, a, b, c, M_offset_3, 10, T[53]); + c = II(c, d, a, b, M_offset_10, 15, T[54]); + b = II(b, c, d, a, M_offset_1, 21, T[55]); + a = II(a, b, c, d, M_offset_8, 6, T[56]); + d = II(d, a, b, c, M_offset_15, 10, T[57]); + c = II(c, d, a, b, M_offset_6, 15, T[58]); + b = II(b, c, d, a, M_offset_13, 21, T[59]); + a = II(a, b, c, d, M_offset_4, 6, T[60]); + d = II(d, a, b, c, M_offset_11, 10, T[61]); + c = II(c, d, a, b, M_offset_2, 15, T[62]); + b = II(b, c, d, a, M_offset_9, 21, T[63]); + + // Intermediate hash value + H[0] = (H[0] + a) | 0; + H[1] = (H[1] + b) | 0; + H[2] = (H[2] + c) | 0; + H[3] = (H[3] + d) | 0; + }, + + _doFinalize: function () { + // Shortcuts + var data = this._data; + var dataWords = data.words; + + var nBitsTotal = this._nDataBytes * 8; + var nBitsLeft = data.sigBytes * 8; + + // Add padding + dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32); + + var nBitsTotalH = Math.floor(nBitsTotal / 0x100000000); + var nBitsTotalL = nBitsTotal; + dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = ( + (((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff) | + (((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00) + ); + dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = ( + (((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff) | + (((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00) + ); + + data.sigBytes = (dataWords.length + 1) * 4; + + // Hash final blocks + this._process(); + + // Shortcuts + var hash = this._hash; + var H = hash.words; + + // Swap endian + for (var i = 0; i < 4; i++) { + // Shortcut + var H_i = H[i]; + + H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) | + (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00); + } + + // Return final computed hash + return hash; + }, + + clone: function () { + var clone = Hasher.clone.call(this); + clone._hash = this._hash.clone(); + + return clone; + } + }); + + function FF(a, b, c, d, x, s, t) { + var n = a + ((b & c) | (~b & d)) + x + t; + return ((n << s) | (n >>> (32 - s))) + b; + } + + function GG(a, b, c, d, x, s, t) { + var n = a + ((b & d) | (c & ~d)) + x + t; + return ((n << s) | (n >>> (32 - s))) + b; + } + + function HH(a, b, c, d, x, s, t) { + var n = a + (b ^ c ^ d) + x + t; + return ((n << s) | (n >>> (32 - s))) + b; + } + + function II(a, b, c, d, x, s, t) { + var n = a + (c ^ (b | ~d)) + x + t; + return ((n << s) | (n >>> (32 - s))) + b; + } + + /** + * Shortcut function to the hasher's object interface. + * + * @param {WordArray|string} message The message to hash. + * + * @return {WordArray} The hash. + * + * @static + * + * @example + * + * var hash = CryptoJS.MD5('message'); + * var hash = CryptoJS.MD5(wordArray); + */ + C.MD5 = Hasher._createHelper(MD5); + + /** + * Shortcut function to the HMAC's object interface. + * + * @param {WordArray|string} message The message to hash. + * @param {WordArray|string} key The secret key. + * + * @return {WordArray} The HMAC. + * + * @static + * + * @example + * + * var hmac = CryptoJS.HmacMD5(message, key); + */ + C.HmacMD5 = Hasher._createHmacHelper(MD5); + }(Math)); + + + return CryptoJS.MD5; + +})); + +/***/ }), +/* 21 */ +/***/ (function(module, exports, __webpack_require__) { + +;(function (root, factory) { + if (true) { + // CommonJS + module.exports = exports = factory(); + } + else {} +}(this, function () { + + /** + * CryptoJS core components. + */ + var CryptoJS = CryptoJS || (function (Math, undefined) { + /* + * Local polyfil of Object.create + */ + var create = Object.create || (function () { + function F() {}; + + return function (obj) { + var subtype; + + F.prototype = obj; + + subtype = new F(); + + F.prototype = null; + + return subtype; + }; + }()) + + /** + * CryptoJS namespace. + */ + var C = {}; + + /** + * Library namespace. + */ + var C_lib = C.lib = {}; + + /** + * Base object for prototypal inheritance. + */ + var Base = C_lib.Base = (function () { + + + return { + /** + * Creates a new object that inherits from this object. + * + * @param {Object} overrides Properties to copy into the new object. + * + * @return {Object} The new object. + * + * @static + * + * @example + * + * var MyType = CryptoJS.lib.Base.extend({ + * field: 'value', + * + * method: function () { + * } + * }); + */ + extend: function (overrides) { + // Spawn + var subtype = create(this); + + // Augment + if (overrides) { + subtype.mixIn(overrides); + } + + // Create default initializer + if (!subtype.hasOwnProperty('init') || this.init === subtype.init) { + subtype.init = function () { + subtype.$super.init.apply(this, arguments); + }; + } + + // Initializer's prototype is the subtype object + subtype.init.prototype = subtype; + + // Reference supertype + subtype.$super = this; + + return subtype; + }, + + /** + * Extends this object and runs the init method. + * Arguments to create() will be passed to init(). + * + * @return {Object} The new object. + * + * @static + * + * @example + * + * var instance = MyType.create(); + */ + create: function () { + var instance = this.extend(); + instance.init.apply(instance, arguments); + + return instance; + }, + + /** + * Initializes a newly created object. + * Override this method to add some logic when your objects are created. + * + * @example + * + * var MyType = CryptoJS.lib.Base.extend({ + * init: function () { + * // ... + * } + * }); + */ + init: function () { + }, + + /** + * Copies properties into this object. + * + * @param {Object} properties The properties to mix in. + * + * @example + * + * MyType.mixIn({ + * field: 'value' + * }); + */ + mixIn: function (properties) { + for (var propertyName in properties) { + if (properties.hasOwnProperty(propertyName)) { + this[propertyName] = properties[propertyName]; + } + } + + // IE won't copy toString using the loop above + if (properties.hasOwnProperty('toString')) { + this.toString = properties.toString; + } + }, + + /** + * Creates a copy of this object. + * + * @return {Object} The clone. + * + * @example + * + * var clone = instance.clone(); + */ + clone: function () { + return this.init.prototype.extend(this); + } + }; + }()); + + /** + * An array of 32-bit words. + * + * @property {Array} words The array of 32-bit words. + * @property {number} sigBytes The number of significant bytes in this word array. + */ + var WordArray = C_lib.WordArray = Base.extend({ + /** + * Initializes a newly created word array. + * + * @param {Array} words (Optional) An array of 32-bit words. + * @param {number} sigBytes (Optional) The number of significant bytes in the words. + * + * @example + * + * var wordArray = CryptoJS.lib.WordArray.create(); + * var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]); + * var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6); + */ + init: function (words, sigBytes) { + words = this.words = words || []; + + if (sigBytes != undefined) { + this.sigBytes = sigBytes; + } else { + this.sigBytes = words.length * 4; + } + }, + + /** + * Converts this word array to a string. + * + * @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex + * + * @return {string} The stringified word array. + * + * @example + * + * var string = wordArray + ''; + * var string = wordArray.toString(); + * var string = wordArray.toString(CryptoJS.enc.Utf8); + */ + toString: function (encoder) { + return (encoder || Hex).stringify(this); + }, + + /** + * Concatenates a word array to this word array. + * + * @param {WordArray} wordArray The word array to append. + * + * @return {WordArray} This word array. + * + * @example + * + * wordArray1.concat(wordArray2); + */ + concat: function (wordArray) { + // Shortcuts + var thisWords = this.words; + var thatWords = wordArray.words; + var thisSigBytes = this.sigBytes; + var thatSigBytes = wordArray.sigBytes; + + // Clamp excess bits + this.clamp(); + + // Concat + if (thisSigBytes % 4) { + // Copy one byte at a time + for (var i = 0; i < thatSigBytes; i++) { + var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; + thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8); + } + } else { + // Copy one word at a time + for (var i = 0; i < thatSigBytes; i += 4) { + thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2]; + } + } + this.sigBytes += thatSigBytes; + + // Chainable + return this; + }, + + /** + * Removes insignificant bits. + * + * @example + * + * wordArray.clamp(); + */ + clamp: function () { + // Shortcuts + var words = this.words; + var sigBytes = this.sigBytes; + + // Clamp + words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8); + words.length = Math.ceil(sigBytes / 4); + }, + + /** + * Creates a copy of this word array. + * + * @return {WordArray} The clone. + * + * @example + * + * var clone = wordArray.clone(); + */ + clone: function () { + var clone = Base.clone.call(this); + clone.words = this.words.slice(0); + + return clone; + }, + + /** + * Creates a word array filled with random bytes. + * + * @param {number} nBytes The number of random bytes to generate. + * + * @return {WordArray} The random word array. + * + * @static + * + * @example + * + * var wordArray = CryptoJS.lib.WordArray.random(16); + */ + random: function (nBytes) { + var words = []; + + var r = (function (m_w) { + var m_w = m_w; + var m_z = 0x3ade68b1; + var mask = 0xffffffff; + + return function () { + m_z = (0x9069 * (m_z & 0xFFFF) + (m_z >> 0x10)) & mask; + m_w = (0x4650 * (m_w & 0xFFFF) + (m_w >> 0x10)) & mask; + var result = ((m_z << 0x10) + m_w) & mask; + result /= 0x100000000; + result += 0.5; + return result * (Math.random() > .5 ? 1 : -1); + } + }); + + for (var i = 0, rcache; i < nBytes; i += 4) { + var _r = r((rcache || Math.random()) * 0x100000000); + + rcache = _r() * 0x3ade67b7; + words.push((_r() * 0x100000000) | 0); + } + + return new WordArray.init(words, nBytes); + } + }); + + /** + * Encoder namespace. + */ + var C_enc = C.enc = {}; + + /** + * Hex encoding strategy. + */ + var Hex = C_enc.Hex = { + /** + * Converts a word array to a hex string. + * + * @param {WordArray} wordArray The word array. + * + * @return {string} The hex string. + * + * @static + * + * @example + * + * var hexString = CryptoJS.enc.Hex.stringify(wordArray); + */ + stringify: function (wordArray) { + // Shortcuts + var words = wordArray.words; + var sigBytes = wordArray.sigBytes; + + // Convert + var hexChars = []; + for (var i = 0; i < sigBytes; i++) { + var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; + hexChars.push((bite >>> 4).toString(16)); + hexChars.push((bite & 0x0f).toString(16)); + } + + return hexChars.join(''); + }, + + /** + * Converts a hex string to a word array. + * + * @param {string} hexStr The hex string. + * + * @return {WordArray} The word array. + * + * @static + * + * @example + * + * var wordArray = CryptoJS.enc.Hex.parse(hexString); + */ + parse: function (hexStr) { + // Shortcut + var hexStrLength = hexStr.length; + + // Convert + var words = []; + for (var i = 0; i < hexStrLength; i += 2) { + words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4); + } + + return new WordArray.init(words, hexStrLength / 2); + } + }; + + /** + * Latin1 encoding strategy. + */ + var Latin1 = C_enc.Latin1 = { + /** + * Converts a word array to a Latin1 string. + * + * @param {WordArray} wordArray The word array. + * + * @return {string} The Latin1 string. + * + * @static + * + * @example + * + * var latin1String = CryptoJS.enc.Latin1.stringify(wordArray); + */ + stringify: function (wordArray) { + // Shortcuts + var words = wordArray.words; + var sigBytes = wordArray.sigBytes; + + // Convert + var latin1Chars = []; + for (var i = 0; i < sigBytes; i++) { + var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; + latin1Chars.push(String.fromCharCode(bite)); + } + + return latin1Chars.join(''); + }, + + /** + * Converts a Latin1 string to a word array. + * + * @param {string} latin1Str The Latin1 string. + * + * @return {WordArray} The word array. + * + * @static + * + * @example + * + * var wordArray = CryptoJS.enc.Latin1.parse(latin1String); + */ + parse: function (latin1Str) { + // Shortcut + var latin1StrLength = latin1Str.length; + + // Convert + var words = []; + for (var i = 0; i < latin1StrLength; i++) { + words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8); + } + + return new WordArray.init(words, latin1StrLength); + } + }; + + /** + * UTF-8 encoding strategy. + */ + var Utf8 = C_enc.Utf8 = { + /** + * Converts a word array to a UTF-8 string. + * + * @param {WordArray} wordArray The word array. + * + * @return {string} The UTF-8 string. + * + * @static + * + * @example + * + * var utf8String = CryptoJS.enc.Utf8.stringify(wordArray); + */ + stringify: function (wordArray) { + try { + return decodeURIComponent(escape(Latin1.stringify(wordArray))); + } catch (e) { + throw new Error('Malformed UTF-8 data'); + } + }, + + /** + * Converts a UTF-8 string to a word array. + * + * @param {string} utf8Str The UTF-8 string. + * + * @return {WordArray} The word array. + * + * @static + * + * @example + * + * var wordArray = CryptoJS.enc.Utf8.parse(utf8String); + */ + parse: function (utf8Str) { + return Latin1.parse(unescape(encodeURIComponent(utf8Str))); + } + }; + + /** + * Abstract buffered block algorithm template. + * + * The property blockSize must be implemented in a concrete subtype. + * + * @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0 + */ + var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({ + /** + * Resets this block algorithm's data buffer to its initial state. + * + * @example + * + * bufferedBlockAlgorithm.reset(); + */ + reset: function () { + // Initial values + this._data = new WordArray.init(); + this._nDataBytes = 0; + }, + + /** + * Adds new data to this block algorithm's buffer. + * + * @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8. + * + * @example + * + * bufferedBlockAlgorithm._append('data'); + * bufferedBlockAlgorithm._append(wordArray); + */ + _append: function (data) { + // Convert string to WordArray, else assume WordArray already + if (typeof data == 'string') { + data = Utf8.parse(data); + } + + // Append + this._data.concat(data); + this._nDataBytes += data.sigBytes; + }, + + /** + * Processes available data blocks. + * + * This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype. + * + * @param {boolean} doFlush Whether all blocks and partial blocks should be processed. + * + * @return {WordArray} The processed data. + * + * @example + * + * var processedData = bufferedBlockAlgorithm._process(); + * var processedData = bufferedBlockAlgorithm._process(!!'flush'); + */ + _process: function (doFlush) { + // Shortcuts + var data = this._data; + var dataWords = data.words; + var dataSigBytes = data.sigBytes; + var blockSize = this.blockSize; + var blockSizeBytes = blockSize * 4; + + // Count blocks ready + var nBlocksReady = dataSigBytes / blockSizeBytes; + if (doFlush) { + // Round up to include partial blocks + nBlocksReady = Math.ceil(nBlocksReady); + } else { + // Round down to include only full blocks, + // less the number of blocks that must remain in the buffer + nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0); + } + + // Count words ready + var nWordsReady = nBlocksReady * blockSize; + + // Count bytes ready + var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes); + + // Process blocks + if (nWordsReady) { + for (var offset = 0; offset < nWordsReady; offset += blockSize) { + // Perform concrete-algorithm logic + this._doProcessBlock(dataWords, offset); + } + + // Remove processed words + var processedWords = dataWords.splice(0, nWordsReady); + data.sigBytes -= nBytesReady; + } + + // Return processed words + return new WordArray.init(processedWords, nBytesReady); + }, + + /** + * Creates a copy of this object. + * + * @return {Object} The clone. + * + * @example + * + * var clone = bufferedBlockAlgorithm.clone(); + */ + clone: function () { + var clone = Base.clone.call(this); + clone._data = this._data.clone(); + + return clone; + }, + + _minBufferSize: 0 + }); + + /** + * Abstract hasher template. + * + * @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits) + */ + var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({ + /** + * Configuration options. + */ + cfg: Base.extend(), + + /** + * Initializes a newly created hasher. + * + * @param {Object} cfg (Optional) The configuration options to use for this hash computation. + * + * @example + * + * var hasher = CryptoJS.algo.SHA256.create(); + */ + init: function (cfg) { + // Apply config defaults + this.cfg = this.cfg.extend(cfg); + + // Set initial values + this.reset(); + }, + + /** + * Resets this hasher to its initial state. + * + * @example + * + * hasher.reset(); + */ + reset: function () { + // Reset data buffer + BufferedBlockAlgorithm.reset.call(this); + + // Perform concrete-hasher logic + this._doReset(); + }, + + /** + * Updates this hasher with a message. + * + * @param {WordArray|string} messageUpdate The message to append. + * + * @return {Hasher} This hasher. + * + * @example + * + * hasher.update('message'); + * hasher.update(wordArray); + */ + update: function (messageUpdate) { + // Append + this._append(messageUpdate); + + // Update the hash + this._process(); + + // Chainable + return this; + }, + + /** + * Finalizes the hash computation. + * Note that the finalize operation is effectively a destructive, read-once operation. + * + * @param {WordArray|string} messageUpdate (Optional) A final message update. + * + * @return {WordArray} The hash. + * + * @example + * + * var hash = hasher.finalize(); + * var hash = hasher.finalize('message'); + * var hash = hasher.finalize(wordArray); + */ + finalize: function (messageUpdate) { + // Final message update + if (messageUpdate) { + this._append(messageUpdate); + } + + // Perform concrete-hasher logic + var hash = this._doFinalize(); + + return hash; + }, + + blockSize: 512/32, + + /** + * Creates a shortcut function to a hasher's object interface. + * + * @param {Hasher} hasher The hasher to create a helper for. + * + * @return {Function} The shortcut function. + * + * @static + * + * @example + * + * var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256); + */ + _createHelper: function (hasher) { + return function (message, cfg) { + return new hasher.init(cfg).finalize(message); + }; + }, + + /** + * Creates a shortcut function to the HMAC's object interface. + * + * @param {Hasher} hasher The hasher to use in this HMAC helper. + * + * @return {Function} The shortcut function. + * + * @static + * + * @example + * + * var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256); + */ + _createHmacHelper: function (hasher) { + return function (message, key) { + return new C_algo.HMAC.init(hasher, key).finalize(message); + }; + } + }); + + /** + * Algorithm namespace. + */ + var C_algo = C.algo = {}; + + return C; + }(Math)); + + + return CryptoJS; + +})); + +/***/ }), +/* 22 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var utils_1 = __webpack_require__(16); +/** + * When a UAS wishes to construct a response to a request, it follows + * the general procedures detailed in the following subsections. + * Additional behaviors specific to the response code in question, which + * are not detailed in this section, may also be required. + * https://tools.ietf.org/html/rfc3261#section-8.2.6 + * @internal + */ +function constructOutgoingResponse(message, options) { + var CRLF = "\r\n"; + if (options.statusCode < 100 || options.statusCode > 699) { + throw new TypeError("Invalid statusCode: " + options.statusCode); + } + var reasonPhrase = options.reasonPhrase ? options.reasonPhrase : utils_1.getReasonPhrase(options.statusCode); + // SIP responses are distinguished from requests by having a Status-Line + // as their start-line. A Status-Line consists of the protocol version + // followed by a numeric Status-Code and its associated textual phrase, + // with each element separated by a single SP character. + // https://tools.ietf.org/html/rfc3261#section-7.2 + var response = "SIP/2.0 " + options.statusCode + " " + reasonPhrase + CRLF; + // One largely non-method-specific guideline for the generation of + // responses is that UASs SHOULD NOT issue a provisional response for a + // non-INVITE request. Rather, UASs SHOULD generate a final response to + // a non-INVITE request as soon as possible. + // https://tools.ietf.org/html/rfc3261#section-8.2.6.1 + if (options.statusCode >= 100 && options.statusCode < 200) { + // TODO + } + // When a 100 (Trying) response is generated, any Timestamp header field + // present in the request MUST be copied into this 100 (Trying) + // response. If there is a delay in generating the response, the UAS + // SHOULD add a delay value into the Timestamp value in the response. + // This value MUST contain the difference between the time of sending of + // the response and receipt of the request, measured in seconds. + // https://tools.ietf.org/html/rfc3261#section-8.2.6.1 + if (options.statusCode === 100) { + // TODO + } + // The From field of the response MUST equal the From header field of + // the request. The Call-ID header field of the response MUST equal the + // Call-ID header field of the request. The CSeq header field of the + // response MUST equal the CSeq field of the request. The Via header + // field values in the response MUST equal the Via header field values + // in the request and MUST maintain the same ordering. + // https://tools.ietf.org/html/rfc3261#section-8.2.6.2 + var fromHeader = "From: " + message.getHeader("From") + CRLF; + var callIdHeader = "Call-ID: " + message.callId + CRLF; + var cSeqHeader = "CSeq: " + message.cseq + " " + message.method + CRLF; + var viaHeaders = message.getHeaders("via").reduce(function (previous, current) { + return previous + "Via: " + current + CRLF; + }, ""); + // If a request contained a To tag in the request, the To header field + // in the response MUST equal that of the request. However, if the To + // header field in the request did not contain a tag, the URI in the To + // header field in the response MUST equal the URI in the To header + // field; additionally, the UAS MUST add a tag to the To header field in + // the response (with the exception of the 100 (Trying) response, in + // which a tag MAY be present). This serves to identify the UAS that is + // responding, possibly resulting in a component of a dialog ID. The + // same tag MUST be used for all responses to that request, both final + // and provisional (again excepting the 100 (Trying)). + // https://tools.ietf.org/html/rfc3261#section-8.2.6.2 + var toHeader = "To: " + message.getHeader("to"); + if (options.statusCode > 100 && !message.parseHeader("to").hasParam("tag")) { + var toTag = options.toTag; + if (!toTag) { + // Stateless UAS Behavior... + // o To header tags MUST be generated for responses in a stateless + // manner - in a manner that will generate the same tag for the + // same request consistently. For information on tag construction + // see Section 19.3. + // https://tools.ietf.org/html/rfc3261#section-8.2.7 + toTag = utils_1.newTag(); // FIXME: newTag() currently generates random tags + } + toHeader += ";tag=" + toTag; + } + toHeader += CRLF; + // FIXME: TODO: needs review... moved to InviteUserAgentServer (as it is specific to that) + // let recordRouteHeaders = ""; + // if (request.method === C.INVITE && statusCode > 100 && statusCode <= 200) { + // recordRouteHeaders = request.getHeaders("record-route").reduce((previous, current) => { + // return previous + "Record-Route: " + current + CRLF; + // }, ""); + // } + // FIXME: TODO: needs review... + var supportedHeader = ""; + if (options.supported) { + supportedHeader = "Supported: " + options.supported.join(", ") + CRLF; + } + // FIXME: TODO: needs review... + var userAgentHeader = ""; + if (options.userAgent) { + userAgentHeader = "User-Agent: " + options.userAgent + CRLF; + } + var extensionHeaders = ""; + if (options.extraHeaders) { + extensionHeaders = options.extraHeaders.reduce(function (previous, current) { + return previous + current.trim() + CRLF; + }, ""); + } + // The relative order of header fields with different field names is not + // significant. However, it is RECOMMENDED that header fields which are + // needed for proxy processing (Via, Route, Record-Route, Proxy-Require, + // Max-Forwards, and Proxy-Authorization, for example) appear towards + // the top of the message to facilitate rapid parsing. + // https://tools.ietf.org/html/rfc3261#section-7.3.1 + // response += recordRouteHeaders; + response += viaHeaders; + response += fromHeader; + response += toHeader; + response += cSeqHeader; + response += callIdHeader; + response += supportedHeader; + response += userAgentHeader; + response += extensionHeaders; + if (options.body) { + response += "Content-Type: " + options.body.contentType + CRLF; + response += "Content-Length: " + utils_1.str_utf8_length(options.body.content) + CRLF + CRLF; + response += options.body.content; + } + else { + response += "Content-Length: " + 0 + CRLF + CRLF; + } + return { message: response }; +} +exports.constructOutgoingResponse = constructOutgoingResponse; + + +/***/ }), +/* 23 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var session_1 = __webpack_require__(24); +var timers_1 = __webpack_require__(26); +var transactions_1 = __webpack_require__(27); +var bye_user_agent_client_1 = __webpack_require__(41); +var bye_user_agent_server_1 = __webpack_require__(43); +var info_user_agent_client_1 = __webpack_require__(45); +var info_user_agent_server_1 = __webpack_require__(46); +var notify_user_agent_client_1 = __webpack_require__(47); +var notify_user_agent_server_1 = __webpack_require__(48); +var prack_user_agent_client_1 = __webpack_require__(49); +var prack_user_agent_server_1 = __webpack_require__(50); +var re_invite_user_agent_client_1 = __webpack_require__(51); +var re_invite_user_agent_server_1 = __webpack_require__(52); +var refer_user_agent_client_1 = __webpack_require__(53); +var refer_user_agent_server_1 = __webpack_require__(54); +var dialog_1 = __webpack_require__(4); +/** + * Session Dialog. + * @public + */ +var SessionDialog = /** @class */ (function (_super) { + tslib_1.__extends(SessionDialog, _super); + function SessionDialog(initialTransaction, core, state, delegate) { + var _this = _super.call(this, core, state) || this; + _this.initialTransaction = initialTransaction; + /** The state of the offer/answer exchange. */ + _this._signalingState = session_1.SignalingState.Initial; + /** True if waiting for an ACK to the initial transaction 2xx (UAS only). */ + _this.ackWait = false; + _this.delegate = delegate; + if (initialTransaction instanceof transactions_1.InviteServerTransaction) { + // If we're created by an invite server transaction, we're + // going to be waiting for an ACK if are to be confirmed. + _this.ackWait = true; + } + // If we're confirmed upon creation start the retransmitting whatever + // the 2xx final response was that confirmed us into existence. + if (!_this.early) { + _this.start2xxRetransmissionTimer(); + } + _this.signalingStateTransition(initialTransaction.request); + _this.logger = core.loggerFactory.getLogger("sip.invite-dialog"); + _this.logger.log("INVITE dialog " + _this.id + " constructed"); + return _this; + } + SessionDialog.prototype.dispose = function () { + _super.prototype.dispose.call(this); + this._signalingState = session_1.SignalingState.Closed; + this._offer = undefined; + this._answer = undefined; + if (this.invite2xxTimer) { + clearTimeout(this.invite2xxTimer); + this.invite2xxTimer = undefined; + } + // The UAS MUST still respond to any pending requests received for that + // dialog. It is RECOMMENDED that a 487 (Request Terminated) response + // be generated to those pending requests. + // https://tools.ietf.org/html/rfc3261#section-15.1.2 + // TODO: + // this.userAgentServers.forEach((uas) => uas.reply(487)); + this.logger.log("INVITE dialog " + this.id + " destroyed"); + }; + Object.defineProperty(SessionDialog.prototype, "sessionState", { + // FIXME: Need real state machine + get: function () { + if (this.early) { + return session_1.SessionState.Early; + } + else if (this.ackWait) { + return session_1.SessionState.AckWait; + } + else if (this._signalingState === session_1.SignalingState.Closed) { + return session_1.SessionState.Terminated; + } + else { + return session_1.SessionState.Confirmed; + } + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SessionDialog.prototype, "signalingState", { + /** The state of the offer/answer exchange. */ + get: function () { + return this._signalingState; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SessionDialog.prototype, "offer", { + /** The current offer. Undefined unless signaling state HaveLocalOffer, HaveRemoteOffer, of Stable. */ + get: function () { + return this._offer; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SessionDialog.prototype, "answer", { + /** The current answer. Undefined unless signaling state Stable. */ + get: function () { + return this._answer; + }, + enumerable: true, + configurable: true + }); + /** Confirm the dialog. Only matters if dialog is currently early. */ + SessionDialog.prototype.confirm = function () { + // When we're confirmed start the retransmitting whatever + // the 2xx final response that may have confirmed us. + if (this.early) { + this.start2xxRetransmissionTimer(); + } + _super.prototype.confirm.call(this); + }; + /** Re-confirm the dialog. Only matters if handling re-INVITE request. */ + SessionDialog.prototype.reConfirm = function () { + // When we're confirmed start the retransmitting whatever + // the 2xx final response that may have confirmed us. + if (this.reinviteUserAgentServer) { + this.startReInvite2xxRetransmissionTimer(); + } + }; + /** + * The UAC core MUST generate an ACK request for each 2xx received from + * the transaction layer. The header fields of the ACK are constructed + * in the same way as for any request sent within a dialog (see Section + * 12) with the exception of the CSeq and the header fields related to + * authentication. The sequence number of the CSeq header field MUST be + * the same as the INVITE being acknowledged, but the CSeq method MUST + * be ACK. The ACK MUST contain the same credentials as the INVITE. If + * the 2xx contains an offer (based on the rules above), the ACK MUST + * carry an answer in its body. If the offer in the 2xx response is not + * acceptable, the UAC core MUST generate a valid answer in the ACK and + * then send a BYE immediately. + * https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + * @param options - ACK options bucket. + */ + SessionDialog.prototype.ack = function (options) { + if (options === void 0) { options = {}; } + this.logger.log("INVITE dialog " + this.id + " sending ACK request"); + var transaction; + if (this.reinviteUserAgentClient) { + // We're sending ACK for a re-INVITE + if (!(this.reinviteUserAgentClient.transaction instanceof transactions_1.InviteClientTransaction)) { + throw new Error("Transaction not instance of InviteClientTransaction."); + } + transaction = this.reinviteUserAgentClient.transaction; + this.reinviteUserAgentClient = undefined; + } + else { + // We're sending ACK for the initial INVITE + if (!(this.initialTransaction instanceof transactions_1.InviteClientTransaction)) { + throw new Error("Initial transaction not instance of InviteClientTransaction."); + } + transaction = this.initialTransaction; + } + options.cseq = transaction.request.cseq; // ACK cseq is INVITE cseq + var message = this.createOutgoingRequestMessage(messages_1.C.ACK, options); + transaction.ackResponse(message); // See InviteClientTransaction for details. + this.signalingStateTransition(message); + return { message: message }; + }; + /** + * Terminating a Session + * + * This section describes the procedures for terminating a session + * established by SIP. The state of the session and the state of the + * dialog are very closely related. When a session is initiated with an + * INVITE, each 1xx or 2xx response from a distinct UAS creates a + * dialog, and if that response completes the offer/answer exchange, it + * also creates a session. As a result, each session is "associated" + * with a single dialog - the one which resulted in its creation. If an + * initial INVITE generates a non-2xx final response, that terminates + * all sessions (if any) and all dialogs (if any) that were created + * through responses to the request. By virtue of completing the + * transaction, a non-2xx final response also prevents further sessions + * from being created as a result of the INVITE. The BYE request is + * used to terminate a specific session or attempted session. In this + * case, the specific session is the one with the peer UA on the other + * side of the dialog. When a BYE is received on a dialog, any session + * associated with that dialog SHOULD terminate. A UA MUST NOT send a + * BYE outside of a dialog. The caller's UA MAY send a BYE for either + * confirmed or early dialogs, and the callee's UA MAY send a BYE on + * confirmed dialogs, but MUST NOT send a BYE on early dialogs. + * + * However, the callee's UA MUST NOT send a BYE on a confirmed dialog + * until it has received an ACK for its 2xx response or until the server + * transaction times out. If no SIP extensions have defined other + * application layer states associated with the dialog, the BYE also + * terminates the dialog. + * + * https://tools.ietf.org/html/rfc3261#section-15 + * FIXME: Make these proper Exceptions... + * @param options - BYE options bucket. + * @returns + * Throws `Error` if callee's UA attempts a BYE on an early dialog. + * Throws `Error` if callee's UA attempts a BYE on a confirmed dialog + * while it's waiting on the ACK for its 2xx response. + */ + SessionDialog.prototype.bye = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending BYE request"); + // The caller's UA MAY send a BYE for either + // confirmed or early dialogs, and the callee's UA MAY send a BYE on + // confirmed dialogs, but MUST NOT send a BYE on early dialogs. + // + // However, the callee's UA MUST NOT send a BYE on a confirmed dialog + // until it has received an ACK for its 2xx response or until the server + // transaction times out. + // https://tools.ietf.org/html/rfc3261#section-15 + if (this.initialTransaction instanceof transactions_1.InviteServerTransaction) { + if (this.early) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("UAS MUST NOT send a BYE on early dialogs."); + } + if (this.ackWait && this.initialTransaction.state !== transactions_1.TransactionState.Terminated) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("UAS MUST NOT send a BYE on a confirmed dialog " + + "until it has received an ACK for its 2xx response " + + "or until the server transaction times out."); + } + } + // A BYE request is constructed as would any other request within a + // dialog, as described in Section 12. + // + // Once the BYE is constructed, the UAC core creates a new non-INVITE + // client transaction, and passes it the BYE request. The UAC MUST + // consider the session terminated (and therefore stop sending or + // listening for media) as soon as the BYE request is passed to the + // client transaction. If the response for the BYE is a 481 + // (Call/Transaction Does Not Exist) or a 408 (Request Timeout) or no + // response at all is received for the BYE (that is, a timeout is + // returned by the client transaction), the UAC MUST consider the + // session and the dialog terminated. + // https://tools.ietf.org/html/rfc3261#section-15.1.1 + return new bye_user_agent_client_1.ByeUserAgentClient(this, delegate, options); + }; + /** + * An INFO request can be associated with an Info Package (see + * Section 5), or associated with a legacy INFO usage (see Section 2). + * + * The construction of the INFO request is the same as any other + * non-target refresh request within an existing invite dialog usage as + * described in Section 12.2 of RFC 3261. + * https://tools.ietf.org/html/rfc6086#section-4.2.1 + * @param options - Options bucket. + */ + SessionDialog.prototype.info = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending INFO request"); + if (this.early) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("Dialog not confirmed."); + } + return new info_user_agent_client_1.InfoUserAgentClient(this, delegate, options); + }; + /** + * Modifying an Existing Session + * + * A successful INVITE request (see Section 13) establishes both a + * dialog between two user agents and a session using the offer-answer + * model. Section 12 explains how to modify an existing dialog using a + * target refresh request (for example, changing the remote target URI + * of the dialog). This section describes how to modify the actual + * session. This modification can involve changing addresses or ports, + * adding a media stream, deleting a media stream, and so on. This is + * accomplished by sending a new INVITE request within the same dialog + * that established the session. An INVITE request sent within an + * existing dialog is known as a re-INVITE. + * + * Note that a single re-INVITE can modify the dialog and the + * parameters of the session at the same time. + * + * Either the caller or callee can modify an existing session. + * https://tools.ietf.org/html/rfc3261#section-14 + * @param options - Options bucket + */ + SessionDialog.prototype.invite = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending INVITE request"); + if (this.early) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("Dialog not confirmed."); + } + // Note that a UAC MUST NOT initiate a new INVITE transaction within a + // dialog while another INVITE transaction is in progress in either + // direction. + // + // 1. If there is an ongoing INVITE client transaction, the TU MUST + // wait until the transaction reaches the completed or terminated + // state before initiating the new INVITE. + // + // 2. If there is an ongoing INVITE server transaction, the TU MUST + // wait until the transaction reaches the confirmed or terminated + // state before initiating the new INVITE. + // + // However, a UA MAY initiate a regular transaction while an INVITE + // transaction is in progress. A UA MAY also initiate an INVITE + // transaction while a regular transaction is in progress. + // https://tools.ietf.org/html/rfc3261#section-14.1 + if (this.reinviteUserAgentClient) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("There is an ongoing re-INVITE client transaction."); + } + if (this.reinviteUserAgentServer) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("There is an ongoing re-INVITE server transaction."); + } + return new re_invite_user_agent_client_1.ReInviteUserAgentClient(this, delegate, options); + }; + /** + * The NOTIFY mechanism defined in [2] MUST be used to inform the agent + * sending the REFER of the status of the reference. + * https://tools.ietf.org/html/rfc3515#section-2.4.4 + * @param options - Options bucket. + */ + SessionDialog.prototype.notify = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending NOTIFY request"); + if (this.early) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("Dialog not confirmed."); + } + return new notify_user_agent_client_1.NotifyUserAgentClient(this, delegate, options); + }; + /** + * Assuming the response is to be transmitted reliably, the UAC MUST + * create a new request with method PRACK. This request is sent within + * the dialog associated with the provisional response (indeed, the + * provisional response may have created the dialog). PRACK requests + * MAY contain bodies, which are interpreted according to their type and + * disposition. + * https://tools.ietf.org/html/rfc3262#section-4 + * @param options - Options bucket. + */ + SessionDialog.prototype.prack = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending PRACK request"); + return new prack_user_agent_client_1.PrackUserAgentClient(this, delegate, options); + }; + /** + * REFER is a SIP request and is constructed as defined in [1]. A REFER + * request MUST contain exactly one Refer-To header field value. + * https://tools.ietf.org/html/rfc3515#section-2.4.1 + * @param options - Options bucket. + */ + SessionDialog.prototype.refer = function (delegate, options) { + this.logger.log("INVITE dialog " + this.id + " sending REFER request"); + if (this.early) { + // FIXME: TODO: This should throw a proper exception. + throw new Error("Dialog not confirmed."); + } + // FIXME: TODO: Validate Refer-To header field value. + return new refer_user_agent_client_1.ReferUserAgentClient(this, delegate, options); + }; + /** + * Requests sent within a dialog, as any other requests, are atomic. If + * a particular request is accepted by the UAS, all the state changes + * associated with it are performed. If the request is rejected, none + * of the state changes are performed. + * https://tools.ietf.org/html/rfc3261#section-12.2.2 + * @param message - Incoming request message within this dialog. + */ + SessionDialog.prototype.receiveRequest = function (message) { + this.logger.log("INVITE dialog " + this.id + " received " + message.method + " request"); + // Response retransmissions cease when an ACK request for the + // response is received. This is independent of whatever transport + // protocols are used to send the response. + // https://tools.ietf.org/html/rfc6026#section-8.1 + if (message.method === messages_1.C.ACK) { + // If ackWait is true, then this is the ACK to the initial INVITE, + // otherwise this is an ACK to an in dialog INVITE. In either case, + // guard to make sure the sequence number of the ACK matches the INVITE. + if (this.ackWait) { + if (this.initialTransaction instanceof transactions_1.InviteClientTransaction) { + this.logger.warn("INVITE dialog " + this.id + " received unexpected " + message.method + " request, dropping."); + return; + } + if (this.initialTransaction.request.cseq !== message.cseq) { + this.logger.warn("INVITE dialog " + this.id + " received unexpected " + message.method + " request, dropping."); + return; + } + // Update before the delegate has a chance to handle the + // message as delegate may callback into this dialog. + this.ackWait = false; + } + else { + if (!this.reinviteUserAgentServer) { + this.logger.warn("INVITE dialog " + this.id + " received unexpected " + message.method + " request, dropping."); + return; + } + if (this.reinviteUserAgentServer.transaction.request.cseq !== message.cseq) { + this.logger.warn("INVITE dialog " + this.id + " received unexpected " + message.method + " request, dropping."); + return; + } + this.reinviteUserAgentServer = undefined; + } + this.signalingStateTransition(message); + if (this.delegate && this.delegate.onAck) { + this.delegate.onAck({ message: message }); + } + return; + } + // Request within a dialog out of sequence guard. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (!this.sequenceGuard(message)) { + this.logger.log("INVITE dialog " + this.id + " rejected out of order " + message.method + " request."); + return; + } + if (message.method === messages_1.C.INVITE) { + // A UAS that receives a second INVITE before it sends the final + // response to a first INVITE with a lower CSeq sequence number on the + // same dialog MUST return a 500 (Server Internal Error) response to the + // second INVITE and MUST include a Retry-After header field with a + // randomly chosen value of between 0 and 10 seconds. + // https://tools.ietf.org/html/rfc3261#section-14.2 + if (this.reinviteUserAgentServer) { + // https://tools.ietf.org/html/rfc3261#section-20.33 + var retryAfter = Math.floor((Math.random() * 10)) + 1; + var extraHeaders = ["Retry-After: " + retryAfter]; + this.core.replyStateless(message, { statusCode: 500, extraHeaders: extraHeaders }); + return; + } + // A UAS that receives an INVITE on a dialog while an INVITE it had sent + // on that dialog is in progress MUST return a 491 (Request Pending) + // response to the received INVITE. + // https://tools.ietf.org/html/rfc3261#section-14.2 + if (this.reinviteUserAgentClient) { + this.core.replyStateless(message, { statusCode: 491 }); + return; + } + } + // Request within a dialog common processing. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + _super.prototype.receiveRequest.call(this, message); + // Requests within a dialog MAY contain Record-Route and Contact header + // fields. However, these requests do not cause the dialog's route set + // to be modified, although they may modify the remote target URI. + // Specifically, requests that are not target refresh requests do not + // modify the dialog's remote target URI, and requests that are target + // refresh requests do. For dialogs that have been established with an + // INVITE, the only target refresh request defined is re-INVITE (see + // Section 14). Other extensions may define different target refresh + // requests for dialogs established in other ways. + // + // Note that an ACK is NOT a target refresh request. + // + // Target refresh requests only update the dialog's remote target URI, + // and not the route set formed from the Record-Route. Updating the + // latter would introduce severe backwards compatibility problems with + // RFC 2543-compliant systems. + // https://tools.ietf.org/html/rfc3261#section-15 + if (message.method === messages_1.C.INVITE) { + // FIXME: parser needs to be typed... + var contact = message.parseHeader("contact"); + if (!contact) { // TODO: Review to make sure this will never happen + throw new Error("Contact undefined."); + } + if (!(contact instanceof messages_1.NameAddrHeader)) { + throw new Error("Contact not instance of NameAddrHeader."); + } + this.dialogState.remoteTarget = contact.uri; + } + // Switch on method and then delegate. + switch (message.method) { + case messages_1.C.BYE: + // A UAS core receiving a BYE request for an existing dialog MUST follow + // the procedures of Section 12.2.2 to process the request. Once done, + // the UAS SHOULD terminate the session (and therefore stop sending and + // listening for media). The only case where it can elect not to are + // multicast sessions, where participation is possible even if the other + // participant in the dialog has terminated its involvement in the + // session. Whether or not it ends its participation on the session, + // the UAS core MUST generate a 2xx response to the BYE, and MUST pass + // that to the server transaction for transmission. + // + // The UAS MUST still respond to any pending requests received for that + // dialog. It is RECOMMENDED that a 487 (Request Terminated) response + // be generated to those pending requests. + // https://tools.ietf.org/html/rfc3261#section-15.1.2 + { + var uas = new bye_user_agent_server_1.ByeUserAgentServer(this, message); + this.delegate && this.delegate.onBye ? + this.delegate.onBye(uas) : + uas.accept(); + this.dispose(); + } + break; + case messages_1.C.INFO: + // If a UA receives an INFO request associated with an Info Package that + // the UA has not indicated willingness to receive, the UA MUST send a + // 469 (Bad Info Package) response (see Section 11.6), which contains a + // Recv-Info header field with Info Packages for which the UA is willing + // to receive INFO requests. + { + var uas = new info_user_agent_server_1.InfoUserAgentServer(this, message); + this.delegate && this.delegate.onInfo ? + this.delegate.onInfo(uas) : + uas.reject({ + statusCode: 469, + extraHeaders: ["Recv-Info :"] + }); + } + break; + case messages_1.C.INVITE: + // If the new session description is not acceptable, the UAS can reject + // it by returning a 488 (Not Acceptable Here) response for the re- + // INVITE. This response SHOULD include a Warning header field. + // https://tools.ietf.org/html/rfc3261#section-14.2 + { + var uas = new re_invite_user_agent_server_1.ReInviteUserAgentServer(this, message); + this.signalingStateTransition(message); + this.delegate && this.delegate.onInvite ? + this.delegate.onInvite(uas) : + uas.reject({ statusCode: 488 }); // TODO: Warning header field. + } + break; + case messages_1.C.NOTIFY: + // https://tools.ietf.org/html/rfc3515#section-2.4.4 + { + var uas = new notify_user_agent_server_1.NotifyUserAgentServer(this, message); + this.delegate && this.delegate.onNotify ? + this.delegate.onNotify(uas) : + uas.accept(); + } + break; + case messages_1.C.PRACK: + // https://tools.ietf.org/html/rfc3262#section-4 + { + var uas = new prack_user_agent_server_1.PrackUserAgentServer(this, message); + this.delegate && this.delegate.onPrack ? + this.delegate.onPrack(uas) : + uas.accept(); + } + break; + case messages_1.C.REFER: + // https://tools.ietf.org/html/rfc3515#section-2.4.2 + { + var uas = new refer_user_agent_server_1.ReferUserAgentServer(this, message); + this.delegate && this.delegate.onRefer ? + this.delegate.onRefer(uas) : + uas.reject(); + } + break; + default: + { + this.logger.log("INVITE dialog " + this.id + " received unimplemented " + message.method + " request"); + this.core.replyStateless(message, { statusCode: 501 }); + } + break; + } + }; + SessionDialog.prototype.reliableSequenceGuard = function (message) { + var statusCode = message.statusCode; + if (!statusCode) { + throw new Error("Status code undefined"); + } + if (statusCode > 100 && statusCode < 200) { + // If a provisional response is received for an initial request, and + // that response contains a Require header field containing the option + // tag 100rel, the response is to be sent reliably. If the response is + // a 100 (Trying) (as opposed to 101 to 199), this option tag MUST be + // ignored, and the procedures below MUST NOT be used. + // https://tools.ietf.org/html/rfc3262#section-4 + var requireHeader = message.getHeader("require"); + var rseqHeader = message.getHeader("rseq"); + var rseq = requireHeader && requireHeader.includes("100rel") && rseqHeader ? Number(rseqHeader) : undefined; + if (rseq) { + // Handling of subsequent reliable provisional responses for the same + // initial request follows the same rules as above, with the following + // difference: reliable provisional responses are guaranteed to be in + // order. As a result, if the UAC receives another reliable provisional + // response to the same request, and its RSeq value is not one higher + // than the value of the sequence number, that response MUST NOT be + // acknowledged with a PRACK, and MUST NOT be processed further by the + // UAC. An implementation MAY discard the response, or MAY cache the + // response in the hopes of receiving the missing responses. + // https://tools.ietf.org/html/rfc3262#section-4 + if (this.rseq && this.rseq + 1 !== rseq) { + return false; + } + // Once a reliable provisional response is received, retransmissions of + // that response MUST be discarded. A response is a retransmission when + // its dialog ID, CSeq, and RSeq match the original response. The UAC + // MUST maintain a sequence number that indicates the most recently + // received in-order reliable provisional response for the initial + // request. This sequence number MUST be maintained until a final + // response is received for the initial request. Its value MUST be + // initialized to the RSeq header field in the first reliable + // provisional response received for the initial request. + // https://tools.ietf.org/html/rfc3262#section-4 + if (!this.rseq) { + this.rseq = rseq; + } + } + } + return true; + }; + /** + * If not in a stable signaling state, rollback to prior stable signaling state. + */ + SessionDialog.prototype.signalingStateRollback = function () { + if (this._signalingState === session_1.SignalingState.HaveLocalOffer || + this.signalingState === session_1.SignalingState.HaveRemoteOffer) { + if (this._rollbackOffer && this._rollbackAnswer) { + this._signalingState = session_1.SignalingState.Stable; + this._offer = this._rollbackOffer; + this._answer = this._rollbackAnswer; + } + } + }; + /** + * Update the signaling state of the dialog. + * @param message - The message to base the update off of. + */ + SessionDialog.prototype.signalingStateTransition = function (message) { + var body = messages_1.getBody(message); + // No body, no session. No, woman, no cry. + if (!body || body.contentDisposition !== "session") { + return; + } + // We've got an existing offer and answer which we may wish to rollback to + if (this._signalingState === session_1.SignalingState.Stable) { + this._rollbackOffer = this._offer; + this._rollbackAnswer = this._answer; + } + // We're in UAS role, receiving incoming request with session description + if (message instanceof messages_1.IncomingRequestMessage) { + switch (this._signalingState) { + case session_1.SignalingState.Initial: + case session_1.SignalingState.Stable: + this._signalingState = session_1.SignalingState.HaveRemoteOffer; + this._offer = body; + this._answer = undefined; + break; + case session_1.SignalingState.HaveLocalOffer: + this._signalingState = session_1.SignalingState.Stable; + this._answer = body; + break; + case session_1.SignalingState.HaveRemoteOffer: + // You cannot make a new offer while one is in progress. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // FIXME: What to do here? + break; + case session_1.SignalingState.Closed: + break; + default: + throw new Error("Unexpected signaling state."); + } + } + // We're in UAC role, receiving incoming response with session description + if (message instanceof messages_1.IncomingResponseMessage) { + switch (this._signalingState) { + case session_1.SignalingState.Initial: + case session_1.SignalingState.Stable: + this._signalingState = session_1.SignalingState.HaveRemoteOffer; + this._offer = body; + this._answer = undefined; + break; + case session_1.SignalingState.HaveLocalOffer: + this._signalingState = session_1.SignalingState.Stable; + this._answer = body; + break; + case session_1.SignalingState.HaveRemoteOffer: + // You cannot make a new offer while one is in progress. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // FIXME: What to do here? + break; + case session_1.SignalingState.Closed: + break; + default: + throw new Error("Unexpected signaling state."); + } + } + // We're in UAC role, sending outgoing request with session description + if (message instanceof messages_1.OutgoingRequestMessage) { + switch (this._signalingState) { + case session_1.SignalingState.Initial: + case session_1.SignalingState.Stable: + this._signalingState = session_1.SignalingState.HaveLocalOffer; + this._offer = body; + this._answer = undefined; + break; + case session_1.SignalingState.HaveLocalOffer: + // You cannot make a new offer while one is in progress. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // FIXME: What to do here? + break; + case session_1.SignalingState.HaveRemoteOffer: + this._signalingState = session_1.SignalingState.Stable; + this._answer = body; + break; + case session_1.SignalingState.Closed: + break; + default: + throw new Error("Unexpected signaling state."); + } + } + // We're in UAS role, sending outgoing response with session description + if (messages_1.isBody(message)) { + switch (this._signalingState) { + case session_1.SignalingState.Initial: + case session_1.SignalingState.Stable: + this._signalingState = session_1.SignalingState.HaveLocalOffer; + this._offer = body; + this._answer = undefined; + break; + case session_1.SignalingState.HaveLocalOffer: + // You cannot make a new offer while one is in progress. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // FIXME: What to do here? + break; + case session_1.SignalingState.HaveRemoteOffer: + this._signalingState = session_1.SignalingState.Stable; + this._answer = body; + break; + case session_1.SignalingState.Closed: + break; + default: + throw new Error("Unexpected signaling state."); + } + } + }; + SessionDialog.prototype.start2xxRetransmissionTimer = function () { + var _this = this; + if (this.initialTransaction instanceof transactions_1.InviteServerTransaction) { + var transaction_1 = this.initialTransaction; + // Once the response has been constructed, it is passed to the INVITE + // server transaction. In order to ensure reliable end-to-end + // transport of the response, it is necessary to periodically pass + // the response directly to the transport until the ACK arrives. The + // 2xx response is passed to the transport with an interval that + // starts at T1 seconds and doubles for each retransmission until it + // reaches T2 seconds (T1 and T2 are defined in Section 17). + // Response retransmissions cease when an ACK request for the + // response is received. This is independent of whatever transport + // protocols are used to send the response. + // https://tools.ietf.org/html/rfc6026#section-8.1 + var timeout_1 = timers_1.Timers.T1; + var retransmission_1 = function () { + if (!_this.ackWait) { + _this.invite2xxTimer = undefined; + return; + } + _this.logger.log("No ACK for 2xx response received, attempting retransmission"); + transaction_1.retransmitAcceptedResponse(); + timeout_1 = Math.min(timeout_1 * 2, timers_1.Timers.T2); + _this.invite2xxTimer = setTimeout(retransmission_1, timeout_1); + }; + this.invite2xxTimer = setTimeout(retransmission_1, timeout_1); + // If the server retransmits the 2xx response for 64*T1 seconds without + // receiving an ACK, the dialog is confirmed, but the session SHOULD be + // terminated. This is accomplished with a BYE, as described in Section 15. + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + var stateChanged_1 = function () { + if (transaction_1.state === transactions_1.TransactionState.Terminated) { + transaction_1.removeListener("stateChanged", stateChanged_1); + if (_this.invite2xxTimer) { + clearTimeout(_this.invite2xxTimer); + _this.invite2xxTimer = undefined; + } + if (_this.ackWait) { + if (_this.delegate && _this.delegate.onAckTimeout) { + _this.delegate.onAckTimeout(); + } + else { + _this.bye(); + } + } + } + }; + transaction_1.addListener("stateChanged", stateChanged_1); + } + }; + // FIXME: Refactor + SessionDialog.prototype.startReInvite2xxRetransmissionTimer = function () { + var _this = this; + if (this.reinviteUserAgentServer && this.reinviteUserAgentServer.transaction instanceof transactions_1.InviteServerTransaction) { + var transaction_2 = this.reinviteUserAgentServer.transaction; + // Once the response has been constructed, it is passed to the INVITE + // server transaction. In order to ensure reliable end-to-end + // transport of the response, it is necessary to periodically pass + // the response directly to the transport until the ACK arrives. The + // 2xx response is passed to the transport with an interval that + // starts at T1 seconds and doubles for each retransmission until it + // reaches T2 seconds (T1 and T2 are defined in Section 17). + // Response retransmissions cease when an ACK request for the + // response is received. This is independent of whatever transport + // protocols are used to send the response. + // https://tools.ietf.org/html/rfc6026#section-8.1 + var timeout_2 = timers_1.Timers.T1; + var retransmission_2 = function () { + if (!_this.reinviteUserAgentServer) { + _this.invite2xxTimer = undefined; + return; + } + _this.logger.log("No ACK for 2xx response received, attempting retransmission"); + transaction_2.retransmitAcceptedResponse(); + timeout_2 = Math.min(timeout_2 * 2, timers_1.Timers.T2); + _this.invite2xxTimer = setTimeout(retransmission_2, timeout_2); + }; + this.invite2xxTimer = setTimeout(retransmission_2, timeout_2); + // If the server retransmits the 2xx response for 64*T1 seconds without + // receiving an ACK, the dialog is confirmed, but the session SHOULD be + // terminated. This is accomplished with a BYE, as described in Section 15. + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + var stateChanged_2 = function () { + if (transaction_2.state === transactions_1.TransactionState.Terminated) { + transaction_2.removeListener("stateChanged", stateChanged_2); + if (_this.invite2xxTimer) { + clearTimeout(_this.invite2xxTimer); + _this.invite2xxTimer = undefined; + } + if (_this.reinviteUserAgentServer) { + // FIXME: TODO: What to do here + } + } + }; + transaction_2.addListener("stateChanged", stateChanged_2); + } + }; + return SessionDialog; +}(dialog_1.Dialog)); +exports.SessionDialog = SessionDialog; + + +/***/ }), +/* 24 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(25), exports); + + +/***/ }), +/* 25 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Session state. + * @remarks + * https://tools.ietf.org/html/rfc3261#section-13 + * @public + */ +var SessionState; +(function (SessionState) { + SessionState["Initial"] = "Initial"; + SessionState["Early"] = "Early"; + SessionState["AckWait"] = "AckWait"; + SessionState["Confirmed"] = "Confirmed"; + SessionState["Terminated"] = "Terminated"; +})(SessionState = exports.SessionState || (exports.SessionState = {})); +/** + * Offer/Answer state. + * @remarks + * ```txt + * Offer Answer RFC Ini Est Early + * ------------------------------------------------------------------- + * 1. INVITE Req. 2xx INVITE Resp. RFC 3261 Y Y N + * 2. 2xx INVITE Resp. ACK Req. RFC 3261 Y Y N + * 3. INVITE Req. 1xx-rel INVITE Resp. RFC 3262 Y Y N + * 4. 1xx-rel INVITE Resp. PRACK Req. RFC 3262 Y Y N + * 5. PRACK Req. 200 PRACK Resp. RFC 3262 N Y Y + * 6. UPDATE Req. 2xx UPDATE Resp. RFC 3311 N Y Y + * + * Table 1: Summary of SIP Usage of the Offer/Answer Model + * ``` + * https://tools.ietf.org/html/rfc6337#section-2.2 + * @public + */ +var SignalingState; +(function (SignalingState) { + SignalingState["Initial"] = "Initial"; + SignalingState["HaveLocalOffer"] = "HaveLocalOffer"; + SignalingState["HaveRemoteOffer"] = "HaveRemoteOffer"; + SignalingState["Stable"] = "Stable"; + SignalingState["Closed"] = "Closed"; +})(SignalingState = exports.SignalingState || (exports.SignalingState = {})); + + +/***/ }), +/* 26 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var T1 = 500; +var T2 = 4000; +var T4 = 5000; +/** + * Timers. + * @public + */ +exports.Timers = { + T1: T1, + T2: T2, + T4: T4, + TIMER_B: 64 * T1, + TIMER_D: 0 * T1, + TIMER_F: 64 * T1, + TIMER_H: 64 * T1, + TIMER_I: 0 * T4, + TIMER_J: 0 * T1, + TIMER_K: 0 * T4, + TIMER_L: 64 * T1, + TIMER_M: 64 * T1, + TIMER_N: 64 * T1, + PROVISIONAL_RESPONSE_INTERVAL: 60000 // See RFC 3261 Section 13.3.1.1 +}; + + +/***/ }), +/* 27 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(28), exports); +tslib_1.__exportStar(__webpack_require__(35), exports); +tslib_1.__exportStar(__webpack_require__(37), exports); +tslib_1.__exportStar(__webpack_require__(39), exports); +tslib_1.__exportStar(__webpack_require__(40), exports); +tslib_1.__exportStar(__webpack_require__(35), exports); +tslib_1.__exportStar(__webpack_require__(38), exports); +tslib_1.__exportStar(__webpack_require__(36), exports); +tslib_1.__exportStar(__webpack_require__(29), exports); + + +/***/ }), +/* 28 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transaction_1 = __webpack_require__(29); +/** + * Client Transaction. + * @remarks + * The client transaction provides its functionality through the + * maintenance of a state machine. + * + * The TU communicates with the client transaction through a simple + * interface. When the TU wishes to initiate a new transaction, it + * creates a client transaction and passes it the SIP request to send + * and an IP address, port, and transport to which to send it. The + * client transaction begins execution of its state machine. Valid + * responses are passed up to the TU from the client transaction. + * https://tools.ietf.org/html/rfc3261#section-17.1 + * @public + */ +var ClientTransaction = /** @class */ (function (_super) { + tslib_1.__extends(ClientTransaction, _super); + function ClientTransaction(_request, transport, user, state, loggerCategory) { + var _this = _super.call(this, transport, user, ClientTransaction.makeId(_request), state, loggerCategory) || this; + _this._request = _request; + _this.user = user; + // The Via header field indicates the transport used for the transaction + // and identifies the location where the response is to be sent. A Via + // header field value is added only after the transport that will be + // used to reach the next hop has been selected (which may involve the + // usage of the procedures in [4]). + // https://tools.ietf.org/html/rfc3261#section-8.1.1.7 + // FIXME: Transport's server property is not typed (as of writing this). + var scheme = transport.server && transport.server.scheme ? transport.server.scheme : undefined; + _request.setViaHeader(_this.id, scheme); + return _this; + } + ClientTransaction.makeId = function (request) { + if (request.method === "CANCEL") { + if (!request.branch) { + throw new Error("Outgoing CANCEL request without a branch."); + } + return request.branch; + } + else { + return "z9hG4bK" + Math.floor(Math.random() * 10000000); + } + }; + Object.defineProperty(ClientTransaction.prototype, "request", { + /** The outgoing request the transaction handling. */ + get: function () { + return this._request; + }, + enumerable: true, + configurable: true + }); + /** + * A 408 to non-INVITE will always arrive too late to be useful ([3]), + * The client already has full knowledge of the timeout. The only + * information this message would convey is whether or not the server + * believed the transaction timed out. However, with the current design + * of the NIT, a client cannot do anything with this knowledge. Thus, + * the 408 is simply wasting network resources and contributes to the + * response bombardment illustrated in [3]. + * https://tools.ietf.org/html/rfc4320#section-4.1 + */ + ClientTransaction.prototype.onRequestTimeout = function () { + if (this.user.onRequestTimeout) { + this.user.onRequestTimeout(); + } + }; + return ClientTransaction; +}(transaction_1.Transaction)); +exports.ClientTransaction = ClientTransaction; + + +/***/ }), +/* 29 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var exceptions_1 = __webpack_require__(31); +/** + * Transaction. + * @remarks + * SIP is a transactional protocol: interactions between components take + * place in a series of independent message exchanges. Specifically, a + * SIP transaction consists of a single request and any responses to + * that request, which include zero or more provisional responses and + * one or more final responses. In the case of a transaction where the + * request was an INVITE (known as an INVITE transaction), the + * transaction also includes the ACK only if the final response was not + * a 2xx response. If the response was a 2xx, the ACK is not considered + * part of the transaction. + * https://tools.ietf.org/html/rfc3261#section-17 + * @public + */ +var Transaction = /** @class */ (function (_super) { + tslib_1.__extends(Transaction, _super); + function Transaction(_transport, _user, _id, _state, loggerCategory) { + var _this = _super.call(this) || this; + _this._transport = _transport; + _this._user = _user; + _this._id = _id; + _this._state = _state; + _this.logger = _user.loggerFactory.getLogger(loggerCategory, _id); + _this.logger.debug("Constructing " + _this.typeToString() + " with id " + _this.id + "."); + return _this; + } + /** + * Destructor. + * Once the transaction is in the "terminated" state, it is destroyed + * immediately and there is no need to call `dispose`. However, if a + * transaction needs to be ended prematurely, the transaction user may + * do so by calling this method (for example, perhaps the UA is shutting down). + * No state transition will occur upon calling this method, all outstanding + * transmission timers will be cancelled, and use of the transaction after + * calling `dispose` is undefined. + */ + Transaction.prototype.dispose = function () { + this.logger.debug("Destroyed " + this.typeToString() + " with id " + this.id + "."); + }; + Object.defineProperty(Transaction.prototype, "id", { + /** Transaction id. */ + get: function () { + return this._id; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Transaction.prototype, "kind", { + /** Transaction kind. Deprecated. */ + get: function () { + throw new Error("Invalid kind."); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Transaction.prototype, "state", { + /** Transaction state. */ + get: function () { + return this._state; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Transaction.prototype, "transport", { + /** Transaction transport. */ + get: function () { + return this._transport; + }, + enumerable: true, + configurable: true + }); + Transaction.prototype.on = function (name, callback) { return _super.prototype.on.call(this, name, callback); }; + Transaction.prototype.logTransportError = function (error, message) { + this.logger.error(error.message); + this.logger.error("Transport error occurred in " + this.typeToString() + " with id " + this.id + "."); + this.logger.error(message); + }; + /** + * Pass message to transport for transmission. If transport fails, + * the transaction user is notified by callback to onTransportError(). + * @returns + * Rejects with `TransportError` if transport fails. + */ + Transaction.prototype.send = function (message) { + var _this = this; + return this.transport.send(message).catch(function (error) { + // If the transport rejects, it SHOULD reject with a TransportError. + // But the transport may be external code, so we are careful + // make sure we convert it to a TransportError if need be. + if (error instanceof exceptions_1.TransportError) { + _this.onTransportError(error); + throw error; + } + var transportError; + if (error && typeof error.message === "string") { + transportError = new exceptions_1.TransportError(error.message); + } + else { + transportError = new exceptions_1.TransportError(); + } + _this.onTransportError(transportError); + throw transportError; + }); + }; + Transaction.prototype.setState = function (state) { + this.logger.debug("State change to \"" + state + "\" on " + this.typeToString() + " with id " + this.id + "."); + this._state = state; + if (this._user.onStateChange) { + this._user.onStateChange(state); + } + this.emit("stateChanged"); + }; + Transaction.prototype.typeToString = function () { + return "UnknownType"; + }; + return Transaction; +}(events_1.EventEmitter)); +exports.Transaction = Transaction; + + +/***/ }), +/* 30 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + + + +var R = typeof Reflect === 'object' ? Reflect : null +var ReflectApply = R && typeof R.apply === 'function' + ? R.apply + : function ReflectApply(target, receiver, args) { + return Function.prototype.apply.call(target, receiver, args); + } + +var ReflectOwnKeys +if (R && typeof R.ownKeys === 'function') { + ReflectOwnKeys = R.ownKeys +} else if (Object.getOwnPropertySymbols) { + ReflectOwnKeys = function ReflectOwnKeys(target) { + return Object.getOwnPropertyNames(target) + .concat(Object.getOwnPropertySymbols(target)); + }; +} else { + ReflectOwnKeys = function ReflectOwnKeys(target) { + return Object.getOwnPropertyNames(target); + }; +} + +function ProcessEmitWarning(warning) { + if (console && console.warn) console.warn(warning); +} + +var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) { + return value !== value; +} + +function EventEmitter() { + EventEmitter.init.call(this); +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._eventsCount = 0; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +var defaultMaxListeners = 10; + +Object.defineProperty(EventEmitter, 'defaultMaxListeners', { + enumerable: true, + get: function() { + return defaultMaxListeners; + }, + set: function(arg) { + if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) { + throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.'); + } + defaultMaxListeners = arg; + } +}); + +EventEmitter.init = function() { + + if (this._events === undefined || + this._events === Object.getPrototypeOf(this)._events) { + this._events = Object.create(null); + this._eventsCount = 0; + } + + this._maxListeners = this._maxListeners || undefined; +}; + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) { + if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) { + throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.'); + } + this._maxListeners = n; + return this; +}; + +function $getMaxListeners(that) { + if (that._maxListeners === undefined) + return EventEmitter.defaultMaxListeners; + return that._maxListeners; +} + +EventEmitter.prototype.getMaxListeners = function getMaxListeners() { + return $getMaxListeners(this); +}; + +EventEmitter.prototype.emit = function emit(type) { + var args = []; + for (var i = 1; i < arguments.length; i++) args.push(arguments[i]); + var doError = (type === 'error'); + + var events = this._events; + if (events !== undefined) + doError = (doError && events.error === undefined); + else if (!doError) + return false; + + // If there is no 'error' event listener then throw. + if (doError) { + var er; + if (args.length > 0) + er = args[0]; + if (er instanceof Error) { + // Note: The comments on the `throw` lines are intentional, they show + // up in Node's output if this results in an unhandled exception. + throw er; // Unhandled 'error' event + } + // At least give some kind of context to the user + var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : '')); + err.context = er; + throw err; // Unhandled 'error' event + } + + var handler = events[type]; + + if (handler === undefined) + return false; + + if (typeof handler === 'function') { + ReflectApply(handler, this, args); + } else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + ReflectApply(listeners[i], this, args); + } + + return true; +}; + +function _addListener(target, type, listener, prepend) { + var m; + var events; + var existing; + + if (typeof listener !== 'function') { + throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); + } + + events = target._events; + if (events === undefined) { + events = target._events = Object.create(null); + target._eventsCount = 0; + } else { + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (events.newListener !== undefined) { + target.emit('newListener', type, + listener.listener ? listener.listener : listener); + + // Re-assign `events` because a newListener handler could have caused the + // this._events to be assigned to a new object + events = target._events; + } + existing = events[type]; + } + + if (existing === undefined) { + // Optimize the case of one listener. Don't need the extra array object. + existing = events[type] = listener; + ++target._eventsCount; + } else { + if (typeof existing === 'function') { + // Adding the second element, need to change to array. + existing = events[type] = + prepend ? [listener, existing] : [existing, listener]; + // If we've already got an array, just append. + } else if (prepend) { + existing.unshift(listener); + } else { + existing.push(listener); + } + + // Check for listener leak + m = $getMaxListeners(target); + if (m > 0 && existing.length > m && !existing.warned) { + existing.warned = true; + // No error code for this since it is a Warning + // eslint-disable-next-line no-restricted-syntax + var w = new Error('Possible EventEmitter memory leak detected. ' + + existing.length + ' ' + String(type) + ' listeners ' + + 'added. Use emitter.setMaxListeners() to ' + + 'increase limit'); + w.name = 'MaxListenersExceededWarning'; + w.emitter = target; + w.type = type; + w.count = existing.length; + ProcessEmitWarning(w); + } + } + + return target; +} + +EventEmitter.prototype.addListener = function addListener(type, listener) { + return _addListener(this, type, listener, false); +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.prependListener = + function prependListener(type, listener) { + return _addListener(this, type, listener, true); + }; + +function onceWrapper() { + var args = []; + for (var i = 0; i < arguments.length; i++) args.push(arguments[i]); + if (!this.fired) { + this.target.removeListener(this.type, this.wrapFn); + this.fired = true; + ReflectApply(this.listener, this.target, args); + } +} + +function _onceWrap(target, type, listener) { + var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener }; + var wrapped = onceWrapper.bind(state); + wrapped.listener = listener; + state.wrapFn = wrapped; + return wrapped; +} + +EventEmitter.prototype.once = function once(type, listener) { + if (typeof listener !== 'function') { + throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); + } + this.on(type, _onceWrap(this, type, listener)); + return this; +}; + +EventEmitter.prototype.prependOnceListener = + function prependOnceListener(type, listener) { + if (typeof listener !== 'function') { + throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); + } + this.prependListener(type, _onceWrap(this, type, listener)); + return this; + }; + +// Emits a 'removeListener' event if and only if the listener was removed. +EventEmitter.prototype.removeListener = + function removeListener(type, listener) { + var list, events, position, i, originalListener; + + if (typeof listener !== 'function') { + throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); + } + + events = this._events; + if (events === undefined) + return this; + + list = events[type]; + if (list === undefined) + return this; + + if (list === listener || list.listener === listener) { + if (--this._eventsCount === 0) + this._events = Object.create(null); + else { + delete events[type]; + if (events.removeListener) + this.emit('removeListener', type, list.listener || listener); + } + } else if (typeof list !== 'function') { + position = -1; + + for (i = list.length - 1; i >= 0; i--) { + if (list[i] === listener || list[i].listener === listener) { + originalListener = list[i].listener; + position = i; + break; + } + } + + if (position < 0) + return this; + + if (position === 0) + list.shift(); + else { + spliceOne(list, position); + } + + if (list.length === 1) + events[type] = list[0]; + + if (events.removeListener !== undefined) + this.emit('removeListener', type, originalListener || listener); + } + + return this; + }; + +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; + +EventEmitter.prototype.removeAllListeners = + function removeAllListeners(type) { + var listeners, events, i; + + events = this._events; + if (events === undefined) + return this; + + // not listening for removeListener, no need to emit + if (events.removeListener === undefined) { + if (arguments.length === 0) { + this._events = Object.create(null); + this._eventsCount = 0; + } else if (events[type] !== undefined) { + if (--this._eventsCount === 0) + this._events = Object.create(null); + else + delete events[type]; + } + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + var keys = Object.keys(events); + var key; + for (i = 0; i < keys.length; ++i) { + key = keys[i]; + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = Object.create(null); + this._eventsCount = 0; + return this; + } + + listeners = events[type]; + + if (typeof listeners === 'function') { + this.removeListener(type, listeners); + } else if (listeners !== undefined) { + // LIFO order + for (i = listeners.length - 1; i >= 0; i--) { + this.removeListener(type, listeners[i]); + } + } + + return this; + }; + +function _listeners(target, type, unwrap) { + var events = target._events; + + if (events === undefined) + return []; + + var evlistener = events[type]; + if (evlistener === undefined) + return []; + + if (typeof evlistener === 'function') + return unwrap ? [evlistener.listener || evlistener] : [evlistener]; + + return unwrap ? + unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); +} + +EventEmitter.prototype.listeners = function listeners(type) { + return _listeners(this, type, true); +}; + +EventEmitter.prototype.rawListeners = function rawListeners(type) { + return _listeners(this, type, false); +}; + +EventEmitter.listenerCount = function(emitter, type) { + if (typeof emitter.listenerCount === 'function') { + return emitter.listenerCount(type); + } else { + return listenerCount.call(emitter, type); + } +}; + +EventEmitter.prototype.listenerCount = listenerCount; +function listenerCount(type) { + var events = this._events; + + if (events !== undefined) { + var evlistener = events[type]; + + if (typeof evlistener === 'function') { + return 1; + } else if (evlistener !== undefined) { + return evlistener.length; + } + } + + return 0; +} + +EventEmitter.prototype.eventNames = function eventNames() { + return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : []; +}; + +function arrayClone(arr, n) { + var copy = new Array(n); + for (var i = 0; i < n; ++i) + copy[i] = arr[i]; + return copy; +} + +function spliceOne(list, index) { + for (; index + 1 < list.length; index++) + list[index] = list[index + 1]; + list.pop(); +} + +function unwrapListeners(arr) { + var ret = new Array(arr.length); + for (var i = 0; i < ret.length; ++i) { + ret[i] = arr[i].listener || arr[i]; + } + return ret; +} + + +/***/ }), +/* 31 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(32), exports); +tslib_1.__exportStar(__webpack_require__(33), exports); +tslib_1.__exportStar(__webpack_require__(34), exports); + + +/***/ }), +/* 32 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +/** + * An Exception is considered a condition that a reasonable application may wish to catch. + * An Error indicates serious problems that a reasonable application should not try to catch. + * @public + */ +var Exception = /** @class */ (function (_super) { + tslib_1.__extends(Exception, _super); + function Exception(message) { + var _newTarget = this.constructor; + var _this = _super.call(this, message) || this; + Object.setPrototypeOf(_this, _newTarget.prototype); // restore prototype chain + return _this; + } + return Exception; +}(Error)); +exports.Exception = Exception; + + +/***/ }), +/* 33 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var exception_1 = __webpack_require__(32); +/** + * Indicates that the operation could not be completed given the current transaction state. + * @public + */ +var TransactionStateError = /** @class */ (function (_super) { + tslib_1.__extends(TransactionStateError, _super); + function TransactionStateError(message) { + return _super.call(this, message ? message : "Transaction state error.") || this; + } + return TransactionStateError; +}(exception_1.Exception)); +exports.TransactionStateError = TransactionStateError; + + +/***/ }), +/* 34 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var exception_1 = __webpack_require__(32); +/** + * Transport error. + * @public + */ +var TransportError = /** @class */ (function (_super) { + tslib_1.__extends(TransportError, _super); + function TransportError(message) { + return _super.call(this, message ? message : "Unspecified transport error.") || this; + } + return TransportError; +}(exception_1.Exception)); +exports.TransportError = TransportError; + + +/***/ }), +/* 35 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var timers_1 = __webpack_require__(26); +var client_transaction_1 = __webpack_require__(28); +var transaction_state_1 = __webpack_require__(36); +/** + * INVITE Client Transaction. + * @remarks + * The INVITE transaction consists of a three-way handshake. The client + * transaction sends an INVITE, the server transaction sends responses, + * and the client transaction sends an ACK. + * https://tools.ietf.org/html/rfc3261#section-17.1.1 + * @public + */ +var InviteClientTransaction = /** @class */ (function (_super) { + tslib_1.__extends(InviteClientTransaction, _super); + /** + * Constructor. + * Upon construction, the outgoing request's Via header is updated by calling `setViaHeader`. + * Then `toString` is called on the outgoing request and the message is sent via the transport. + * After construction the transaction will be in the "calling" state and the transaction id + * will equal the branch parameter set in the Via header of the outgoing request. + * https://tools.ietf.org/html/rfc3261#section-17.1.1 + * @param request - The outgoing INVITE request. + * @param transport - The transport. + * @param user - The transaction user. + */ + function InviteClientTransaction(request, transport, user) { + var _this = _super.call(this, request, transport, user, transaction_state_1.TransactionState.Calling, "sip.transaction.ict") || this; + /** + * Map of 2xx to-tag to ACK. + * If value is not undefined, value is the ACK which was sent. + * If key exists but value is undefined, a 2xx was received but the ACK not yet sent. + * Otherwise, a 2xx was not (yet) received for this transaction. + */ + _this.ackRetransmissionCache = new Map(); + // FIXME: Timer A for unreliable transport not implemented + // + // If an unreliable transport is being used, the client transaction + // MUST start timer A with a value of T1. If a reliable transport is being used, + // the client transaction SHOULD NOT start timer A (Timer A controls request retransmissions). + // For any transport, the client transaction MUST start timer B with a value + // of 64*T1 seconds (Timer B controls transaction timeouts). + // https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + // + // While not spelled out in the RFC, Timer B is the maximum amount of time that a sender + // will wait for an INVITE message to be acknowledged (a SIP response message is received). + // So Timer B should be cleared when the transaction state proceeds from "Calling". + _this.B = setTimeout(function () { return _this.timer_B(); }, timers_1.Timers.TIMER_B); + _this.send(request.toString()).catch(function (error) { + _this.logTransportError(error, "Failed to send initial outgoing request."); + }); + return _this; + } + /** + * Destructor. + */ + InviteClientTransaction.prototype.dispose = function () { + if (this.B) { + clearTimeout(this.B); + this.B = undefined; + } + if (this.D) { + clearTimeout(this.D); + this.D = undefined; + } + if (this.M) { + clearTimeout(this.M); + this.M = undefined; + } + _super.prototype.dispose.call(this); + }; + Object.defineProperty(InviteClientTransaction.prototype, "kind", { + /** Transaction kind. Deprecated. */ + get: function () { + return "ict"; + }, + enumerable: true, + configurable: true + }); + /** + * ACK a 2xx final response. + * + * The transaction includes the ACK only if the final response was not a 2xx response (the + * transaction will generate and send the ACK to the transport automagically). If the + * final response was a 2xx, the ACK is not considered part of the transaction (the + * transaction user needs to generate and send the ACK). + * + * This library is not strictly RFC compliant with regard to ACK handling for 2xx final + * responses. Specifically, retransmissions of ACKs to a 2xx final responses is handled + * by the transaction layer (instead of the UAC core). The "standard" approach is for + * the UAC core to receive all 2xx responses and manage sending ACK retransmissions to + * the transport directly. Herein the transaction layer manages sending ACKs to 2xx responses + * and any retransmissions of those ACKs as needed. + * + * @param ack - The outgoing ACK request. + */ + InviteClientTransaction.prototype.ackResponse = function (ack) { + var _this = this; + var toTag = ack.toTag; + if (!toTag) { + throw new Error("To tag undefined."); + } + var id = "z9hG4bK" + Math.floor(Math.random() * 10000000); + // FIXME: Transport's server property is not typed (as of writing this). + var scheme = this.transport.server && this.transport.server.scheme ? this.transport.server.scheme : undefined; + ack.setViaHeader(id, scheme); + this.ackRetransmissionCache.set(toTag, ack); // Add to ACK retransmission cache + this.send(ack.toString()).catch(function (error) { + _this.logTransportError(error, "Failed to send ACK to 2xx response."); + }); + }; + /** + * Handler for incoming responses from the transport which match this transaction. + * @param response - The incoming response. + */ + InviteClientTransaction.prototype.receiveResponse = function (response) { + var _this = this; + var statusCode = response.statusCode; + if (!statusCode || statusCode < 100 || statusCode > 699) { + throw new Error("Invalid status code " + statusCode); + } + switch (this.state) { + case transaction_state_1.TransactionState.Calling: + // If the client transaction receives a provisional response while in + // the "Calling" state, it transitions to the "Proceeding" state. In the + // "Proceeding" state, the client transaction SHOULD NOT retransmit the + // request any longer. Furthermore, the provisional response MUST be + // passed to the TU. Any further provisional responses MUST be passed + // up to the TU while in the "Proceeding" state. + // https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + if (statusCode >= 100 && statusCode <= 199) { + this.stateTransition(transaction_state_1.TransactionState.Proceeding); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // When a 2xx response is received while in either the "Calling" or + // "Proceeding" states, the client transaction MUST transition to + // the "Accepted" state... The 2xx response MUST be passed up to the TU. + // The client transaction MUST NOT generate an ACK to the 2xx response -- its + // handling is delegated to the TU. A UAC core will send an ACK to + // the 2xx response using a new transaction. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 200 && statusCode <= 299) { + this.ackRetransmissionCache.set(response.toTag, undefined); // Prime the ACK cache + this.stateTransition(transaction_state_1.TransactionState.Accepted); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // When in either the "Calling" or "Proceeding" states, reception of + // a response with status code from 300-699 MUST cause the client + // transaction to transition to "Completed". The client transaction + // MUST pass the received response up to the TU, and the client + // transaction MUST generate an ACK request, even if the transport is + // reliable (guidelines for constructing the ACK from the response + // are given in Section 17.1.1.3), and then pass the ACK to the + // transport layer for transmission. The ACK MUST be sent to the + // same address, port, and transport to which the original request was sent. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 300 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + this.ack(response); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + break; + case transaction_state_1.TransactionState.Proceeding: + // In the "Proceeding" state, the client transaction SHOULD NOT retransmit the + // request any longer. Furthermore, the provisional response MUST be + // passed to the TU. Any further provisional responses MUST be passed + // up to the TU while in the "Proceeding" state. + // https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + if (statusCode >= 100 && statusCode <= 199) { + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // When a 2xx response is received while in either the "Calling" or "Proceeding" states, + // the client transaction MUST transition to the "Accepted" state... + // The 2xx response MUST be passed up to the TU. The client + // transaction MUST NOT generate an ACK to the 2xx response -- its + // handling is delegated to the TU. A UAC core will send an ACK to + // the 2xx response using a new transaction. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 200 && statusCode <= 299) { + this.ackRetransmissionCache.set(response.toTag, undefined); // Prime the ACK cache + this.stateTransition(transaction_state_1.TransactionState.Accepted); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // When in either the "Calling" or "Proceeding" states, reception of + // a response with status code from 300-699 MUST cause the client + // transaction to transition to "Completed". The client transaction + // MUST pass the received response up to the TU, and the client + // transaction MUST generate an ACK request, even if the transport is + // reliable (guidelines for constructing the ACK from the response + // are given in Section 17.1.1.3), and then pass the ACK to the + // transport layer for transmission. The ACK MUST be sent to the + // same address, port, and transport to which the original request was sent. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 300 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + this.ack(response); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + break; + case transaction_state_1.TransactionState.Accepted: + // The purpose of the "Accepted" state is to allow the client + // transaction to continue to exist to receive, and pass to the TU, + // any retransmissions of the 2xx response and any additional 2xx + // responses from other branches of the INVITE if it forked + // downstream. Timer M reflects the amount of time that the + // transaction user will wait for such messages. + // + // Any 2xx responses that match this client transaction and that are + // received while in the "Accepted" state MUST be passed up to the + // TU. The client transaction MUST NOT generate an ACK to the 2xx + // response. The client transaction takes no further action. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 200 && statusCode <= 299) { + // NOTE: This implementation herein is intentionally not RFC compliant. + // While the first 2xx response for a given branch is passed up to the TU, + // retransmissions of 2xx responses are absorbed and the ACK associated + // with the original response is resent. This approach is taken because + // our current transaction users are not currently in a good position to + // deal with 2xx retransmission. This SHOULD NOT cause any compliance issues - ;) + // + // If we don't have a cache hit, pass the response to the TU. + if (!this.ackRetransmissionCache.has(response.toTag)) { + this.ackRetransmissionCache.set(response.toTag, undefined); // Prime the ACK cache + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // If we have a cache hit, try pulling the ACK from cache and retransmitting it. + var ack = this.ackRetransmissionCache.get(response.toTag); + if (ack) { + this.send(ack.toString()).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of ACK to 2xx response."); + }); + return; + } + // If an ACK was not found in cache then we have received a retransmitted 2xx + // response before the TU responded to the original response (we don't have an ACK yet). + // So discard this response under the assumption that the TU will eventually + // get us a ACK for the original response. + return; + } + break; + case transaction_state_1.TransactionState.Completed: + // Any retransmissions of a response with status code 300-699 that + // are received while in the "Completed" state MUST cause the ACK to + // be re-passed to the transport layer for retransmission, but the + // newly received response MUST NOT be passed up to the TU. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (statusCode >= 300 && statusCode <= 699) { + this.ack(response); + return; + } + break; + case transaction_state_1.TransactionState.Terminated: + break; + default: + throw new Error("Invalid state " + this.state); + } + // Any response received that does not match an existing client + // transaction state machine is simply dropped. (Implementations are, + // of course, free to log or do other implementation-specific things + // with such responses, but the implementer should be sure to consider + // the impact of large numbers of malicious stray responses.) + // https://tools.ietf.org/html/rfc6026#section-7.2 + var message = "Received unexpected " + statusCode + " response while in state " + this.state + "."; + this.logger.warn(message); + return; + }; + /** + * The client transaction SHOULD inform the TU that a transport failure + * has occurred, and the client transaction SHOULD transition directly + * to the "Terminated" state. The TU will handle the failover + * mechanisms described in [4]. + * https://tools.ietf.org/html/rfc3261#section-17.1.4 + * @param error - The error. + */ + InviteClientTransaction.prototype.onTransportError = function (error) { + if (this.user.onTransportError) { + this.user.onTransportError(error); + } + this.stateTransition(transaction_state_1.TransactionState.Terminated, true); + }; + /** For logging. */ + InviteClientTransaction.prototype.typeToString = function () { + return "INVITE client transaction"; + }; + InviteClientTransaction.prototype.ack = function (response) { + var _this = this; + // The ACK request constructed by the client transaction MUST contain + // values for the Call-ID, From, and Request-URI that are equal to the + // values of those header fields in the request passed to the transport + // by the client transaction (call this the "original request"). The To + // header field in the ACK MUST equal the To header field in the + // response being acknowledged, and therefore will usually differ from + // the To header field in the original request by the addition of the + // tag parameter. The ACK MUST contain a single Via header field, and + // this MUST be equal to the top Via header field of the original + // request. The CSeq header field in the ACK MUST contain the same + // value for the sequence number as was present in the original request, + // but the method parameter MUST be equal to "ACK". + // + // If the INVITE request whose response is being acknowledged had Route + // header fields, those header fields MUST appear in the ACK. This is + // to ensure that the ACK can be routed properly through any downstream + // stateless proxies. + // https://tools.ietf.org/html/rfc3261#section-17.1.1.3 + var ruri = this.request.ruri; + var callId = this.request.callId; + var cseq = this.request.cseq; + var from = this.request.getHeader("from"); + var to = response.getHeader("to"); + var via = this.request.getHeader("via"); + var route = this.request.getHeader("route"); + if (!from) { + throw new Error("From undefined."); + } + if (!to) { + throw new Error("To undefined."); + } + if (!via) { + throw new Error("Via undefined."); + } + var ack = "ACK " + ruri + " SIP/2.0\r\n"; + if (route) { + ack += "Route: " + route + "\r\n"; + } + ack += "Via: " + via + "\r\n"; + ack += "To: " + to + "\r\n"; + ack += "From: " + from + "\r\n"; + ack += "Call-ID: " + callId + "\r\n"; + ack += "CSeq: " + cseq + " ACK\r\n"; + ack += "Max-Forwards: 70\r\n"; + ack += "Content-Length: 0\r\n\r\n"; + // TOOO: "User-Agent" header + this.send(ack).catch(function (error) { + _this.logTransportError(error, "Failed to send ACK to non-2xx response."); + }); + return; + }; + /** + * Execute a state transition. + * @param newState - New state. + */ + InviteClientTransaction.prototype.stateTransition = function (newState, dueToTransportError) { + var _this = this; + if (dueToTransportError === void 0) { dueToTransportError = false; } + // Assert valid state transitions. + var invalidStateTransition = function () { + throw new Error("Invalid state transition from " + _this.state + " to " + newState); + }; + switch (newState) { + case transaction_state_1.TransactionState.Calling: + invalidStateTransition(); + break; + case transaction_state_1.TransactionState.Proceeding: + if (this.state !== transaction_state_1.TransactionState.Calling) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Accepted: + case transaction_state_1.TransactionState.Completed: + if (this.state !== transaction_state_1.TransactionState.Calling && + this.state !== transaction_state_1.TransactionState.Proceeding) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Terminated: + if (this.state !== transaction_state_1.TransactionState.Calling && + this.state !== transaction_state_1.TransactionState.Accepted && + this.state !== transaction_state_1.TransactionState.Completed) { + if (!dueToTransportError) { + invalidStateTransition(); + } + } + break; + default: + invalidStateTransition(); + } + // While not spelled out in the RFC, Timer B is the maximum amount of time that a sender + // will wait for an INVITE message to be acknowledged (a SIP response message is received). + // So Timer B should be cleared when the transaction state proceeds from "Calling". + if (this.B) { + clearTimeout(this.B); + this.B = undefined; + } + if (newState === transaction_state_1.TransactionState.Proceeding) { + // Timers have no effect on "Proceeding" state. + // In the "Proceeding" state, the client transaction + // SHOULD NOT retransmit the request any longer. + // https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + } + // The client transaction MUST start Timer D when it enters the "Completed" state + // for any reason, with a value of at least 32 seconds for unreliable transports, + // and a value of zero seconds for reliable transports. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (newState === transaction_state_1.TransactionState.Completed) { + this.D = setTimeout(function () { return _this.timer_D(); }, timers_1.Timers.TIMER_D); + } + // The client transaction MUST transition to the "Accepted" state, + // and Timer M MUST be started with a value of 64*T1. + // https://tools.ietf.org/html/rfc6026#section-8.4 + if (newState === transaction_state_1.TransactionState.Accepted) { + this.M = setTimeout(function () { return _this.timer_M(); }, timers_1.Timers.TIMER_M); + } + // Once the transaction is in the "Terminated" state, it MUST be destroyed immediately. + // https://tools.ietf.org/html/rfc6026#section-8.7 + if (newState === transaction_state_1.TransactionState.Terminated) { + this.dispose(); + } + // Update state. + this.setState(newState); + }; + /** + * When timer A fires, the client transaction MUST retransmit the + * request by passing it to the transport layer, and MUST reset the + * timer with a value of 2*T1. + * When timer A fires 2*T1 seconds later, the request MUST be + * retransmitted again (assuming the client transaction is still in this + * state). This process MUST continue so that the request is + * retransmitted with intervals that double after each transmission. + * These retransmissions SHOULD only be done while the client + * transaction is in the "Calling" state. + * https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + */ + InviteClientTransaction.prototype.timer_A = function () { + // TODO + }; + /** + * If the client transaction is still in the "Calling" state when timer + * B fires, the client transaction SHOULD inform the TU that a timeout + * has occurred. The client transaction MUST NOT generate an ACK. + * https://tools.ietf.org/html/rfc3261#section-17.1.1.2 + */ + InviteClientTransaction.prototype.timer_B = function () { + this.logger.debug("Timer B expired for INVITE client transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Calling) { + this.onRequestTimeout(); + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + /** + * If Timer D fires while the client transaction is in the "Completed" state, + * the client transaction MUST move to the "Terminated" state. + * https://tools.ietf.org/html/rfc6026#section-8.4 + */ + InviteClientTransaction.prototype.timer_D = function () { + this.logger.debug("Timer D expired for INVITE client transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Completed) { + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + /** + * If Timer M fires while the client transaction is in the "Accepted" + * state, the client transaction MUST move to the "Terminated" state. + * https://tools.ietf.org/html/rfc6026#section-8.4 + */ + InviteClientTransaction.prototype.timer_M = function () { + this.logger.debug("Timer M expired for INVITE client transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Accepted) { + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + return InviteClientTransaction; +}(client_transaction_1.ClientTransaction)); +exports.InviteClientTransaction = InviteClientTransaction; + + +/***/ }), +/* 36 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Transaction state. + * @public + */ +var TransactionState; +(function (TransactionState) { + TransactionState["Accepted"] = "Accepted"; + TransactionState["Calling"] = "Calling"; + TransactionState["Completed"] = "Completed"; + TransactionState["Confirmed"] = "Confirmed"; + TransactionState["Proceeding"] = "Proceeding"; + TransactionState["Terminated"] = "Terminated"; + TransactionState["Trying"] = "Trying"; +})(TransactionState = exports.TransactionState || (exports.TransactionState = {})); + + +/***/ }), +/* 37 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var timers_1 = __webpack_require__(26); +var server_transaction_1 = __webpack_require__(38); +var transaction_state_1 = __webpack_require__(36); +/** + * INVITE Server Transaction. + * @remarks + * https://tools.ietf.org/html/rfc3261#section-17.2.1 + * @public + */ +var InviteServerTransaction = /** @class */ (function (_super) { + tslib_1.__extends(InviteServerTransaction, _super); + /** + * Constructor. + * Upon construction, a "100 Trying" reply will be immediately sent. + * After construction the transaction will be in the "proceeding" state and the transaction + * `id` will equal the branch parameter set in the Via header of the incoming request. + * https://tools.ietf.org/html/rfc3261#section-17.2.1 + * @param request - Incoming INVITE request from the transport. + * @param transport - The transport. + * @param user - The transaction user. + */ + function InviteServerTransaction(request, transport, user) { + return _super.call(this, request, transport, user, transaction_state_1.TransactionState.Proceeding, "sip.transaction.ist") || this; + } + /** + * Destructor. + */ + InviteServerTransaction.prototype.dispose = function () { + this.stopProgressExtensionTimer(); + if (this.H) { + clearTimeout(this.H); + this.H = undefined; + } + if (this.I) { + clearTimeout(this.I); + this.I = undefined; + } + if (this.L) { + clearTimeout(this.L); + this.L = undefined; + } + _super.prototype.dispose.call(this); + }; + Object.defineProperty(InviteServerTransaction.prototype, "kind", { + /** Transaction kind. Deprecated. */ + get: function () { + return "ist"; + }, + enumerable: true, + configurable: true + }); + /** + * Receive requests from transport matching this transaction. + * @param request - Request matching this transaction. + */ + InviteServerTransaction.prototype.receiveRequest = function (request) { + var _this = this; + switch (this.state) { + case transaction_state_1.TransactionState.Proceeding: + // If a request retransmission is received while in the "Proceeding" state, the most + // recent provisional response that was received from the TU MUST be passed to the + // transport layer for retransmission. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (request.method === messages_1.C.INVITE) { + if (this.lastProvisionalResponse) { + this.send(this.lastProvisionalResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of provisional response."); + }); + } + return; + } + break; + case transaction_state_1.TransactionState.Accepted: + // While in the "Accepted" state, any retransmissions of the INVITE + // received will match this transaction state machine and will be + // absorbed by the machine without changing its state. These + // retransmissions are not passed onto the TU. + // https://tools.ietf.org/html/rfc6026#section-7.1 + if (request.method === messages_1.C.INVITE) { + return; + } + break; + case transaction_state_1.TransactionState.Completed: + // Furthermore, while in the "Completed" state, if a request retransmission is + // received, the server SHOULD pass the response to the transport for retransmission. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (request.method === messages_1.C.INVITE) { + if (!this.lastFinalResponse) { + throw new Error("Last final response undefined."); + } + this.send(this.lastFinalResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of final response."); + }); + return; + } + // If an ACK is received while the server transaction is in the "Completed" state, + // the server transaction MUST transition to the "Confirmed" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (request.method === messages_1.C.ACK) { + this.stateTransition(transaction_state_1.TransactionState.Confirmed); + return; + } + break; + case transaction_state_1.TransactionState.Confirmed: + // The purpose of the "Confirmed" state is to absorb any additional ACK messages that arrive, + // triggered from retransmissions of the final response. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (request.method === messages_1.C.INVITE || request.method === messages_1.C.ACK) { + return; + } + break; + case transaction_state_1.TransactionState.Terminated: + // For good measure absorb any additional messages that arrive (should not happen). + if (request.method === messages_1.C.INVITE || request.method === messages_1.C.ACK) { + return; + } + break; + default: + throw new Error("Invalid state " + this.state); + } + var message = "INVITE server transaction received unexpected " + request.method + " request while in state " + this.state + "."; + this.logger.warn(message); + return; + }; + /** + * Receive responses from TU for this transaction. + * @param statusCode - Status code of response. + * @param response - Response. + */ + InviteServerTransaction.prototype.receiveResponse = function (statusCode, response) { + var _this = this; + if (statusCode < 100 || statusCode > 699) { + throw new Error("Invalid status code " + statusCode); + } + switch (this.state) { + case transaction_state_1.TransactionState.Proceeding: + // The TU passes any number of provisional responses to the server + // transaction. So long as the server transaction is in the + // "Proceeding" state, each of these MUST be passed to the transport + // layer for transmission. They are not sent reliably by the + // transaction layer (they are not retransmitted by it) and do not cause + // a change in the state of the server transaction. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (statusCode >= 100 && statusCode <= 199) { + this.lastProvisionalResponse = response; + // Start the progress extension timer only for a non-100 provisional response. + if (statusCode > 100) { + this.startProgressExtensionTimer(); // FIXME: remove + } + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send 1xx response."); + }); + return; + } + // If, while in the "Proceeding" state, the TU passes a 2xx response + // to the server transaction, the server transaction MUST pass this + // response to the transport layer for transmission. It is not + // retransmitted by the server transaction; retransmissions of 2xx + // responses are handled by the TU. The server transaction MUST then + // transition to the "Accepted" state. + // https://tools.ietf.org/html/rfc6026#section-8.5 + if (statusCode >= 200 && statusCode <= 299) { + this.lastFinalResponse = response; + this.stateTransition(transaction_state_1.TransactionState.Accepted); + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send 2xx response."); + }); + return; + } + // While in the "Proceeding" state, if the TU passes a response with + // status code from 300 to 699 to the server transaction, the response + // MUST be passed to the transport layer for transmission, and the state + // machine MUST enter the "Completed" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (statusCode >= 300 && statusCode <= 699) { + this.lastFinalResponse = response; + this.stateTransition(transaction_state_1.TransactionState.Completed); + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send non-2xx final response."); + }); + return; + } + break; + case transaction_state_1.TransactionState.Accepted: + // While in the "Accepted" state, if the TU passes a 2xx response, + // the server transaction MUST pass the response to the transport layer for transmission. + // https://tools.ietf.org/html/rfc6026#section-8.7 + if (statusCode >= 200 && statusCode <= 299) { + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send 2xx response."); + }); + return; + } + break; + case transaction_state_1.TransactionState.Completed: + break; + case transaction_state_1.TransactionState.Confirmed: + break; + case transaction_state_1.TransactionState.Terminated: + break; + default: + throw new Error("Invalid state " + this.state); + } + var message = "INVITE server transaction received unexpected " + statusCode + " response from TU while in state " + this.state + "."; + this.logger.error(message); + throw new Error(message); + }; + /** + * Retransmit the last 2xx response. This is a noop if not in the "accepted" state. + */ + InviteServerTransaction.prototype.retransmitAcceptedResponse = function () { + var _this = this; + if (this.state === transaction_state_1.TransactionState.Accepted && this.lastFinalResponse) { + this.send(this.lastFinalResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send 2xx response."); + }); + } + }; + /** + * First, the procedures in [4] are followed, which attempt to deliver the response to a backup. + * If those should all fail, based on the definition of failure in [4], the server transaction SHOULD + * inform the TU that a failure has occurred, and MUST remain in the current state. + * https://tools.ietf.org/html/rfc6026#section-8.8 + */ + InviteServerTransaction.prototype.onTransportError = function (error) { + if (this.user.onTransportError) { + this.user.onTransportError(error); + } + }; + /** For logging. */ + InviteServerTransaction.prototype.typeToString = function () { + return "INVITE server transaction"; + }; + /** + * Execute a state transition. + * @param newState - New state. + */ + InviteServerTransaction.prototype.stateTransition = function (newState) { + var _this = this; + // Assert valid state transitions. + var invalidStateTransition = function () { + throw new Error("Invalid state transition from " + _this.state + " to " + newState); + }; + switch (newState) { + case transaction_state_1.TransactionState.Proceeding: + invalidStateTransition(); + break; + case transaction_state_1.TransactionState.Accepted: + case transaction_state_1.TransactionState.Completed: + if (this.state !== transaction_state_1.TransactionState.Proceeding) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Confirmed: + if (this.state !== transaction_state_1.TransactionState.Completed) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Terminated: + if (this.state !== transaction_state_1.TransactionState.Accepted && + this.state !== transaction_state_1.TransactionState.Completed && + this.state !== transaction_state_1.TransactionState.Confirmed) { + invalidStateTransition(); + } + break; + default: + invalidStateTransition(); + } + // On any state transition, stop resending provisonal responses + this.stopProgressExtensionTimer(); + // The purpose of the "Accepted" state is to absorb retransmissions of an accepted INVITE request. + // Any such retransmissions are absorbed entirely within the server transaction. + // They are not passed up to the TU since any downstream UAS cores that accepted the request have + // taken responsibility for reliability and will already retransmit their 2xx responses if necessary. + // https://tools.ietf.org/html/rfc6026#section-8.7 + if (newState === transaction_state_1.TransactionState.Accepted) { + this.L = setTimeout(function () { return _this.timer_L(); }, timers_1.Timers.TIMER_L); + } + // When the "Completed" state is entered, timer H MUST be set to fire in 64*T1 seconds for all transports. + // Timer H determines when the server transaction abandons retransmitting the response. + // If an ACK is received while the server transaction is in the "Completed" state, + // the server transaction MUST transition to the "Confirmed" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (newState === transaction_state_1.TransactionState.Completed) { + // FIXME: Missing timer G for unreliable transports. + this.H = setTimeout(function () { return _this.timer_H(); }, timers_1.Timers.TIMER_H); + } + // The purpose of the "Confirmed" state is to absorb any additional ACK messages that arrive, + // triggered from retransmissions of the final response. When this state is entered, timer I + // is set to fire in T4 seconds for unreliable transports, and zero seconds for reliable + // transports. Once timer I fires, the server MUST transition to the "Terminated" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + if (newState === transaction_state_1.TransactionState.Confirmed) { + // FIXME: This timer is not getting set correctly for unreliable transports. + this.I = setTimeout(function () { return _this.timer_I(); }, timers_1.Timers.TIMER_I); + } + // Once the transaction is in the "Terminated" state, it MUST be destroyed immediately. + // https://tools.ietf.org/html/rfc6026#section-8.7 + if (newState === transaction_state_1.TransactionState.Terminated) { + this.dispose(); + } + // Update state. + this.setState(newState); + }; + /** + * FIXME: UAS Provisional Retransmission Timer. See RFC 3261 Section 13.3.1.1 + * This is in the wrong place. This is not a transaction level thing. It's a UAS level thing. + */ + InviteServerTransaction.prototype.startProgressExtensionTimer = function () { + var _this = this; + // Start the progress extension timer only for the first non-100 provisional response. + if (this.progressExtensionTimer === undefined) { + this.progressExtensionTimer = setInterval(function () { + _this.logger.debug("Progress extension timer expired for INVITE server transaction " + _this.id + "."); + if (!_this.lastProvisionalResponse) { + throw new Error("Last provisional response undefined."); + } + _this.send(_this.lastProvisionalResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of provisional response."); + }); + }, timers_1.Timers.PROVISIONAL_RESPONSE_INTERVAL); + } + }; + /** + * FIXME: UAS Provisional Retransmission Timer id. See RFC 3261 Section 13.3.1.1 + * This is in the wrong place. This is not a transaction level thing. It's a UAS level thing. + */ + InviteServerTransaction.prototype.stopProgressExtensionTimer = function () { + if (this.progressExtensionTimer !== undefined) { + clearInterval(this.progressExtensionTimer); + this.progressExtensionTimer = undefined; + } + }; + /** + * While in the "Proceeding" state, if the TU passes a response with status code + * from 300 to 699 to the server transaction, the response MUST be passed to the + * transport layer for transmission, and the state machine MUST enter the "Completed" state. + * For unreliable transports, timer G is set to fire in T1 seconds, and is not set to fire for + * reliable transports. If timer G fires, the response is passed to the transport layer once + * more for retransmission, and timer G is set to fire in MIN(2*T1, T2) seconds. From then on, + * when timer G fires, the response is passed to the transport again for transmission, and + * timer G is reset with a value that doubles, unless that value exceeds T2, in which case + * it is reset with the value of T2. + * https://tools.ietf.org/html/rfc3261#section-17.2.1 + */ + InviteServerTransaction.prototype.timer_G = function () { + // TODO + }; + /** + * If timer H fires while in the "Completed" state, it implies that the ACK was never received. + * In this case, the server transaction MUST transition to the "Terminated" state, and MUST + * indicate to the TU that a transaction failure has occurred. + * https://tools.ietf.org/html/rfc3261#section-17.2.1 + */ + InviteServerTransaction.prototype.timer_H = function () { + this.logger.debug("Timer H expired for INVITE server transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Completed) { + this.logger.warn("ACK to negative final response was never received, terminating transaction."); + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + /** + * Once timer I fires, the server MUST transition to the "Terminated" state. + * https://tools.ietf.org/html/rfc3261#section-17.2.1 + */ + InviteServerTransaction.prototype.timer_I = function () { + this.logger.debug("Timer I expired for INVITE server transaction " + this.id + "."); + this.stateTransition(transaction_state_1.TransactionState.Terminated); + }; + /** + * When Timer L fires and the state machine is in the "Accepted" state, the machine MUST + * transition to the "Terminated" state. Once the transaction is in the "Terminated" state, + * it MUST be destroyed immediately. Timer L reflects the amount of time the server + * transaction could receive 2xx responses for retransmission from the + * TU while it is waiting to receive an ACK. + * https://tools.ietf.org/html/rfc6026#section-7.1 + * https://tools.ietf.org/html/rfc6026#section-8.7 + */ + InviteServerTransaction.prototype.timer_L = function () { + this.logger.debug("Timer L expired for INVITE server transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Accepted) { + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + return InviteServerTransaction; +}(server_transaction_1.ServerTransaction)); +exports.InviteServerTransaction = InviteServerTransaction; + + +/***/ }), +/* 38 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transaction_1 = __webpack_require__(29); +/** + * Server Transaction. + * @remarks + * The server transaction is responsible for the delivery of requests to + * the TU and the reliable transmission of responses. It accomplishes + * this through a state machine. Server transactions are created by the + * core when a request is received, and transaction handling is desired + * for that request (this is not always the case). + * https://tools.ietf.org/html/rfc3261#section-17.2 + * @public + */ +var ServerTransaction = /** @class */ (function (_super) { + tslib_1.__extends(ServerTransaction, _super); + function ServerTransaction(_request, transport, user, state, loggerCategory) { + var _this = _super.call(this, transport, user, _request.viaBranch, state, loggerCategory) || this; + _this._request = _request; + _this.user = user; + return _this; + } + Object.defineProperty(ServerTransaction.prototype, "request", { + /** The incoming request the transaction handling. */ + get: function () { + return this._request; + }, + enumerable: true, + configurable: true + }); + return ServerTransaction; +}(transaction_1.Transaction)); +exports.ServerTransaction = ServerTransaction; + + +/***/ }), +/* 39 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var timers_1 = __webpack_require__(26); +var client_transaction_1 = __webpack_require__(28); +var transaction_state_1 = __webpack_require__(36); +/** + * Non-INVITE Client Transaction. + * @remarks + * Non-INVITE transactions do not make use of ACK. + * They are simple request-response interactions. + * https://tools.ietf.org/html/rfc3261#section-17.1.2 + * @public + */ +var NonInviteClientTransaction = /** @class */ (function (_super) { + tslib_1.__extends(NonInviteClientTransaction, _super); + /** + * Constructor + * Upon construction, the outgoing request's Via header is updated by calling `setViaHeader`. + * Then `toString` is called on the outgoing request and the message is sent via the transport. + * After construction the transaction will be in the "calling" state and the transaction id + * will equal the branch parameter set in the Via header of the outgoing request. + * https://tools.ietf.org/html/rfc3261#section-17.1.2 + * @param request - The outgoing Non-INVITE request. + * @param transport - The transport. + * @param user - The transaction user. + */ + function NonInviteClientTransaction(request, transport, user) { + var _this = _super.call(this, request, transport, user, transaction_state_1.TransactionState.Trying, "sip.transaction.nict") || this; + // FIXME: Timer E for unreliable transports not implemented. + // + // The "Trying" state is entered when the TU initiates a new client + // transaction with a request. When entering this state, the client + // transaction SHOULD set timer F to fire in 64*T1 seconds. The request + // MUST be passed to the transport layer for transmission. + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + _this.F = setTimeout(function () { return _this.timer_F(); }, timers_1.Timers.TIMER_F); + _this.send(request.toString()).catch(function (error) { + _this.logTransportError(error, "Failed to send initial outgoing request."); + }); + return _this; + } + /** + * Destructor. + */ + NonInviteClientTransaction.prototype.dispose = function () { + if (this.F) { + clearTimeout(this.F); + this.F = undefined; + } + if (this.K) { + clearTimeout(this.K); + this.K = undefined; + } + _super.prototype.dispose.call(this); + }; + Object.defineProperty(NonInviteClientTransaction.prototype, "kind", { + /** Transaction kind. Deprecated. */ + get: function () { + return "nict"; + }, + enumerable: true, + configurable: true + }); + /** + * Handler for incoming responses from the transport which match this transaction. + * @param response - The incoming response. + */ + NonInviteClientTransaction.prototype.receiveResponse = function (response) { + var statusCode = response.statusCode; + if (!statusCode || statusCode < 100 || statusCode > 699) { + throw new Error("Invalid status code " + statusCode); + } + switch (this.state) { + case transaction_state_1.TransactionState.Trying: + // If a provisional response is received while in the "Trying" state, the + // response MUST be passed to the TU, and then the client transaction + // SHOULD move to the "Proceeding" state. + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (statusCode >= 100 && statusCode <= 199) { + this.stateTransition(transaction_state_1.TransactionState.Proceeding); + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + // If a final response (status codes 200-699) is received while in the + // "Trying" state, the response MUST be passed to the TU, and the + // client transaction MUST transition to the "Completed" state. + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (statusCode >= 200 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + if (statusCode === 408) { + this.onRequestTimeout(); + return; + } + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + break; + case transaction_state_1.TransactionState.Proceeding: + // If a provisional response is received while in the "Proceeding" state, + // the response MUST be passed to the TU. (From Figure 6) + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (statusCode >= 100 && statusCode <= 199) { + if (this.user.receiveResponse) { + return this.user.receiveResponse(response); + } + } + // If a final response (status codes 200-699) is received while in the + // "Proceeding" state, the response MUST be passed to the TU, and the + // client transaction MUST transition to the "Completed" state. + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (statusCode >= 200 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + if (statusCode === 408) { + this.onRequestTimeout(); + return; + } + if (this.user.receiveResponse) { + this.user.receiveResponse(response); + } + return; + } + case transaction_state_1.TransactionState.Completed: + // The "Completed" state exists to buffer any additional response + // retransmissions that may be received (which is why the client + // transaction remains there only for unreliable transports). + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + return; + case transaction_state_1.TransactionState.Terminated: + // For good measure just absorb additional response retransmissions. + return; + default: + throw new Error("Invalid state " + this.state); + } + var message = "Non-INVITE client transaction received unexpected " + statusCode + " response while in state " + this.state + "."; + this.logger.warn(message); + return; + }; + /** + * The client transaction SHOULD inform the TU that a transport failure has occurred, + * and the client transaction SHOULD transition directly to the "Terminated" state. + * The TU will handle the failover mechanisms described in [4]. + * https://tools.ietf.org/html/rfc3261#section-17.1.4 + * @param error - Trasnsport error + */ + NonInviteClientTransaction.prototype.onTransportError = function (error) { + if (this.user.onTransportError) { + this.user.onTransportError(error); + } + this.stateTransition(transaction_state_1.TransactionState.Terminated, true); + }; + /** For logging. */ + NonInviteClientTransaction.prototype.typeToString = function () { + return "non-INVITE client transaction"; + }; + /** + * Execute a state transition. + * @param newState - New state. + */ + NonInviteClientTransaction.prototype.stateTransition = function (newState, dueToTransportError) { + var _this = this; + if (dueToTransportError === void 0) { dueToTransportError = false; } + // Assert valid state transitions. + var invalidStateTransition = function () { + throw new Error("Invalid state transition from " + _this.state + " to " + newState); + }; + switch (newState) { + case transaction_state_1.TransactionState.Trying: + invalidStateTransition(); + break; + case transaction_state_1.TransactionState.Proceeding: + if (this.state !== transaction_state_1.TransactionState.Trying) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Completed: + if (this.state !== transaction_state_1.TransactionState.Trying && + this.state !== transaction_state_1.TransactionState.Proceeding) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Terminated: + if (this.state !== transaction_state_1.TransactionState.Trying && + this.state !== transaction_state_1.TransactionState.Proceeding && + this.state !== transaction_state_1.TransactionState.Completed) { + if (!dueToTransportError) { + invalidStateTransition(); + } + } + break; + default: + invalidStateTransition(); + } + // Once the client transaction enters the "Completed" state, it MUST set + // Timer K to fire in T4 seconds for unreliable transports, and zero + // seconds for reliable transports The "Completed" state exists to + // buffer any additional response retransmissions that may be received + // (which is why the client transaction remains there only for unreliable transports). + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (newState === transaction_state_1.TransactionState.Completed) { + if (this.F) { + clearTimeout(this.F); + this.F = undefined; + } + this.K = setTimeout(function () { return _this.timer_K(); }, timers_1.Timers.TIMER_K); + } + // Once the transaction is in the terminated state, it MUST be destroyed immediately. + // https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + if (newState === transaction_state_1.TransactionState.Terminated) { + this.dispose(); + } + // Update state. + this.setState(newState); + }; + /** + * If Timer F fires while the client transaction is still in the + * "Trying" state, the client transaction SHOULD inform the TU about the + * timeout, and then it SHOULD enter the "Terminated" state. + * If timer F fires while in the "Proceeding" state, the TU MUST be informed of + * a timeout, and the client transaction MUST transition to the terminated state. + * https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + */ + NonInviteClientTransaction.prototype.timer_F = function () { + this.logger.debug("Timer F expired for non-INVITE client transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Trying || this.state === transaction_state_1.TransactionState.Proceeding) { + this.onRequestTimeout(); + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + /** + * If Timer K fires while in this (COMPLETED) state, the client transaction + * MUST transition to the "Terminated" state. + * https://tools.ietf.org/html/rfc3261#section-17.1.2.2 + */ + NonInviteClientTransaction.prototype.timer_K = function () { + if (this.state === transaction_state_1.TransactionState.Completed) { + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + return NonInviteClientTransaction; +}(client_transaction_1.ClientTransaction)); +exports.NonInviteClientTransaction = NonInviteClientTransaction; + + +/***/ }), +/* 40 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var timers_1 = __webpack_require__(26); +var server_transaction_1 = __webpack_require__(38); +var transaction_state_1 = __webpack_require__(36); +/** + * Non-INVITE Server Transaction. + * @remarks + * https://tools.ietf.org/html/rfc3261#section-17.2.2 + * @public + */ +var NonInviteServerTransaction = /** @class */ (function (_super) { + tslib_1.__extends(NonInviteServerTransaction, _super); + /** + * Constructor. + * After construction the transaction will be in the "trying": state and the transaction + * `id` will equal the branch parameter set in the Via header of the incoming request. + * https://tools.ietf.org/html/rfc3261#section-17.2.2 + * @param request - Incoming Non-INVITE request from the transport. + * @param transport - The transport. + * @param user - The transaction user. + */ + function NonInviteServerTransaction(request, transport, user) { + return _super.call(this, request, transport, user, transaction_state_1.TransactionState.Trying, "sip.transaction.nist") || this; + } + /** + * Destructor. + */ + NonInviteServerTransaction.prototype.dispose = function () { + if (this.J) { + clearTimeout(this.J); + this.J = undefined; + } + _super.prototype.dispose.call(this); + }; + Object.defineProperty(NonInviteServerTransaction.prototype, "kind", { + /** Transaction kind. Deprecated. */ + get: function () { + return "nist"; + }, + enumerable: true, + configurable: true + }); + /** + * Receive requests from transport matching this transaction. + * @param request - Request matching this transaction. + */ + NonInviteServerTransaction.prototype.receiveRequest = function (request) { + var _this = this; + switch (this.state) { + case transaction_state_1.TransactionState.Trying: + // Once in the "Trying" state, any further request retransmissions are discarded. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + break; + case transaction_state_1.TransactionState.Proceeding: + // If a retransmission of the request is received while in the "Proceeding" state, + // the most recently sent provisional response MUST be passed to the transport layer for retransmission. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + if (!this.lastResponse) { + throw new Error("Last response undefined."); + } + this.send(this.lastResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of provisional response."); + }); + break; + case transaction_state_1.TransactionState.Completed: + // While in the "Completed" state, the server transaction MUST pass the final response to the transport + // layer for retransmission whenever a retransmission of the request is received. Any other final responses + // passed by the TU to the server transaction MUST be discarded while in the "Completed" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + if (!this.lastResponse) { + throw new Error("Last response undefined."); + } + this.send(this.lastResponse).catch(function (error) { + _this.logTransportError(error, "Failed to send retransmission of final response."); + }); + break; + case transaction_state_1.TransactionState.Terminated: + break; + default: + throw new Error("Invalid state " + this.state); + } + }; + /** + * Receive responses from TU for this transaction. + * @param statusCode - Status code of repsonse. 101-199 not allowed per RFC 4320. + * @param response - Response to send. + */ + NonInviteServerTransaction.prototype.receiveResponse = function (statusCode, response) { + var _this = this; + if (statusCode < 100 || statusCode > 699) { + throw new Error("Invalid status code " + statusCode); + } + // An SIP element MUST NOT send any provisional response with a + // Status-Code other than 100 to a non-INVITE request. + // An SIP element MUST NOT respond to a non-INVITE request with a + // Status-Code of 100 over any unreliable transport, such as UDP, + // before the amount of time it takes a client transaction's Timer E to be reset to T2. + // An SIP element MAY respond to a non-INVITE request with a + // Status-Code of 100 over a reliable transport at any time. + // https://tools.ietf.org/html/rfc4320#section-4.1 + if (statusCode > 100 && statusCode <= 199) { + throw new Error("Provisional response other than 100 not allowed."); + } + switch (this.state) { + case transaction_state_1.TransactionState.Trying: + // While in the "Trying" state, if the TU passes a provisional response + // to the server transaction, the server transaction MUST enter the "Proceeding" state. + // The response MUST be passed to the transport layer for transmission. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + this.lastResponse = response; + if (statusCode >= 100 && statusCode < 200) { + this.stateTransition(transaction_state_1.TransactionState.Proceeding); + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send provisional response."); + }); + return; + } + if (statusCode >= 200 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send final response."); + }); + return; + } + break; + case transaction_state_1.TransactionState.Proceeding: + // Any further provisional responses that are received from the TU while + // in the "Proceeding" state MUST be passed to the transport layer for transmission. + // If the TU passes a final response (status codes 200-699) to the server while in + // the "Proceeding" state, the transaction MUST enter the "Completed" state, and + // the response MUST be passed to the transport layer for transmission. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + this.lastResponse = response; + if (statusCode >= 200 && statusCode <= 699) { + this.stateTransition(transaction_state_1.TransactionState.Completed); + this.send(response).catch(function (error) { + _this.logTransportError(error, "Failed to send final response."); + }); + return; + } + break; + case transaction_state_1.TransactionState.Completed: + // Any other final responses passed by the TU to the server + // transaction MUST be discarded while in the "Completed" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + return; + case transaction_state_1.TransactionState.Terminated: + break; + default: + throw new Error("Invalid state " + this.state); + } + var message = "Non-INVITE server transaction received unexpected " + statusCode + " response from TU while in state " + this.state + "."; + this.logger.error(message); + throw new Error(message); + }; + /** + * First, the procedures in [4] are followed, which attempt to deliver the response to a backup. + * If those should all fail, based on the definition of failure in [4], the server transaction SHOULD + * inform the TU that a failure has occurred, and SHOULD transition to the terminated state. + * https://tools.ietf.org/html/rfc3261#section-17.2.4 + */ + NonInviteServerTransaction.prototype.onTransportError = function (error) { + if (this.user.onTransportError) { + this.user.onTransportError(error); + } + this.stateTransition(transaction_state_1.TransactionState.Terminated, true); + }; + /** For logging. */ + NonInviteServerTransaction.prototype.typeToString = function () { + return "non-INVITE server transaction"; + }; + NonInviteServerTransaction.prototype.stateTransition = function (newState, dueToTransportError) { + var _this = this; + if (dueToTransportError === void 0) { dueToTransportError = false; } + // Assert valid state transitions. + var invalidStateTransition = function () { + throw new Error("Invalid state transition from " + _this.state + " to " + newState); + }; + switch (newState) { + case transaction_state_1.TransactionState.Trying: + invalidStateTransition(); + break; + case transaction_state_1.TransactionState.Proceeding: + if (this.state !== transaction_state_1.TransactionState.Trying) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Completed: + if (this.state !== transaction_state_1.TransactionState.Trying && this.state !== transaction_state_1.TransactionState.Proceeding) { + invalidStateTransition(); + } + break; + case transaction_state_1.TransactionState.Terminated: + if (this.state !== transaction_state_1.TransactionState.Proceeding && this.state !== transaction_state_1.TransactionState.Completed) { + if (!dueToTransportError) { + invalidStateTransition(); + } + } + break; + default: + invalidStateTransition(); + } + // When the server transaction enters the "Completed" state, it MUST set Timer J to fire + // in 64*T1 seconds for unreliable transports, and zero seconds for reliable transports. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + if (newState === transaction_state_1.TransactionState.Completed) { + this.J = setTimeout(function () { return _this.timer_J(); }, timers_1.Timers.TIMER_J); + } + // The server transaction MUST be destroyed the instant it enters the "Terminated" state. + // https://tools.ietf.org/html/rfc3261#section-17.2.2 + if (newState === transaction_state_1.TransactionState.Terminated) { + this.dispose(); + } + this.setState(newState); + }; + /** + * The server transaction remains in this state until Timer J fires, + * at which point it MUST transition to the "Terminated" state. + * https://tools.ietf.org/html/rfc3261#section-17.2.2 + */ + NonInviteServerTransaction.prototype.timer_J = function () { + this.logger.debug("Timer J expired for NON-INVITE server transaction " + this.id + "."); + if (this.state === transaction_state_1.TransactionState.Completed) { + this.stateTransition(transaction_state_1.TransactionState.Terminated); + } + }; + return NonInviteServerTransaction; +}(server_transaction_1.ServerTransaction)); +exports.NonInviteServerTransaction = NonInviteServerTransaction; + + +/***/ }), +/* 41 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * BYE UAC. + * @public + */ +var ByeUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(ByeUserAgentClient, _super); + function ByeUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.BYE, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + dialog.dispose(); + return _this; + } + return ByeUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.ByeUserAgentClient = ByeUserAgentClient; + + +/***/ }), +/* 42 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +/** + * User Agent Client (UAC). + * @remarks + * A user agent client is a logical entity + * that creates a new request, and then uses the client + * transaction state machinery to send it. The role of UAC lasts + * only for the duration of that transaction. In other words, if + * a piece of software initiates a request, it acts as a UAC for + * the duration of that transaction. If it receives a request + * later, it assumes the role of a user agent server for the + * processing of that transaction. + * https://tools.ietf.org/html/rfc3261#section-6 + * @public + */ +var UserAgentClient = /** @class */ (function () { + function UserAgentClient(transactionConstructor, core, message, delegate) { + this.transactionConstructor = transactionConstructor; + this.core = core; + this.message = message; + this.delegate = delegate; + this.challenged = false; + this.stale = false; + this.logger = this.loggerFactory.getLogger("sip.user-agent-client"); + this.init(); + } + UserAgentClient.prototype.dispose = function () { + this.transaction.dispose(); + }; + Object.defineProperty(UserAgentClient.prototype, "loggerFactory", { + get: function () { + return this.core.loggerFactory; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentClient.prototype, "transaction", { + /** The transaction associated with this request. */ + get: function () { + if (!this._transaction) { + throw new Error("Transaction undefined."); + } + return this._transaction; + }, + enumerable: true, + configurable: true + }); + /** + * Since requests other than INVITE are responded to immediately, sending a + * CANCEL for a non-INVITE request would always create a race condition. + * A CANCEL request SHOULD NOT be sent to cancel a request other than INVITE. + * https://tools.ietf.org/html/rfc3261#section-9.1 + * @param options - Cancel options bucket. + */ + UserAgentClient.prototype.cancel = function (reason, options) { + var _this = this; + if (options === void 0) { options = {}; } + if (!this.transaction) { + throw new Error("Transaction undefined."); + } + if (!this.message.to) { + throw new Error("To undefined."); + } + if (!this.message.from) { + throw new Error("From undefined."); + } + // The following procedures are used to construct a CANCEL request. The + // Request-URI, Call-ID, To, the numeric part of CSeq, and From header + // fields in the CANCEL request MUST be identical to those in the + // request being cancelled, including tags. A CANCEL constructed by a + // client MUST have only a single Via header field value matching the + // top Via value in the request being cancelled. Using the same values + // for these header fields allows the CANCEL to be matched with the + // request it cancels (Section 9.2 indicates how such matching occurs). + // However, the method part of the CSeq header field MUST have a value + // of CANCEL. This allows it to be identified and processed as a + // transaction in its own right (See Section 17). + // https://tools.ietf.org/html/rfc3261#section-9.1 + var message = this.core.makeOutgoingRequestMessage(messages_1.C.CANCEL, this.message.ruri, this.message.from.uri, this.message.to.uri, { + toTag: this.message.toTag, + fromTag: this.message.fromTag, + callId: this.message.callId, + cseq: this.message.cseq + }, options.extraHeaders); + // TODO: Revisit this. + // The CANCEL needs to use the same branch parameter so that + // it matches the INVITE transaction, but this is a hacky way to do this. + // Or at the very least not well documented. If the the branch parameter + // is set on the outgoing request, the transaction will use it. + // Otherwise the transaction will make a new one. + message.branch = this.message.branch; + if (this.message.headers.Route) { + message.headers.Route = this.message.headers.Route; + } + if (reason) { + message.setHeader("Reason", reason); + } + // If no provisional response has been received, the CANCEL request MUST + // NOT be sent; rather, the client MUST wait for the arrival of a + // provisional response before sending the request. If the original + // request has generated a final response, the CANCEL SHOULD NOT be + // sent, as it is an effective no-op, since CANCEL has no effect on + // requests that have already generated a final response. + // https://tools.ietf.org/html/rfc3261#section-9.1 + if (this.transaction.state === transactions_1.TransactionState.Proceeding) { + var uac = new UserAgentClient(transactions_1.NonInviteClientTransaction, this.core, message); + } + else { + this.transaction.once("stateChanged", function () { + if (_this.transaction && _this.transaction.state === transactions_1.TransactionState.Proceeding) { + var uac = new UserAgentClient(transactions_1.NonInviteClientTransaction, _this.core, message); + } + }); + } + return message; + }; + /** + * If a 401 (Unauthorized) or 407 (Proxy Authentication Required) + * response is received, the UAC SHOULD follow the authorization + * procedures of Section 22.2 and Section 22.3 to retry the request with + * credentials. + * https://tools.ietf.org/html/rfc3261#section-8.1.3.5 + * 22 Usage of HTTP Authentication + * https://tools.ietf.org/html/rfc3261#section-22 + * 22.1 Framework + * https://tools.ietf.org/html/rfc3261#section-22.1 + * 22.2 User-to-User Authentication + * https://tools.ietf.org/html/rfc3261#section-22.2 + * 22.3 Proxy-to-User Authentication + * https://tools.ietf.org/html/rfc3261#section-22.3 + * + * FIXME: This "guard for and retry the request with credentials" + * implementation is not complete and at best minimally passable. + * @param response - The incoming response to guard. + * @returns True if the program execution is to continue in the branch in question. + * Otherwise the request is retried with credentials and current request processing must stop. + */ + UserAgentClient.prototype.authenticationGuard = function (message) { + var statusCode = message.statusCode; + if (!statusCode) { + throw new Error("Response status code undefined."); + } + // If a 401 (Unauthorized) or 407 (Proxy Authentication Required) + // response is received, the UAC SHOULD follow the authorization + // procedures of Section 22.2 and Section 22.3 to retry the request with + // credentials. + // https://tools.ietf.org/html/rfc3261#section-8.1.3.5 + if (statusCode !== 401 && statusCode !== 407) { + return true; + } + // Get and parse the appropriate WWW-Authenticate or Proxy-Authenticate header. + var challenge; + var authorizationHeaderName; + if (statusCode === 401) { + challenge = message.parseHeader("www-authenticate"); + authorizationHeaderName = "authorization"; + } + else { + challenge = message.parseHeader("proxy-authenticate"); + authorizationHeaderName = "proxy-authorization"; + } + // Verify it seems a valid challenge. + if (!challenge) { + this.logger.warn(statusCode + " with wrong or missing challenge, cannot authenticate"); + return true; + } + // Avoid infinite authentications. + if (this.challenged && (this.stale || challenge.stale !== true)) { + this.logger.warn(statusCode + " apparently in authentication loop, cannot authenticate"); + return true; + } + // Get credentials. + if (!this.credentials) { + this.credentials = this.core.configuration.authenticationFactory(); + if (!this.credentials) { + this.logger.warn("Unable to obtain credentials, cannot authenticate"); + return true; + } + } + // Verify that the challenge is really valid. + if (!this.credentials.authenticate(this.message, challenge)) { + return true; + } + this.challenged = true; + if (challenge.stale) { + this.stale = true; + } + var cseq = this.message.cseq += 1; + this.message.setHeader("cseq", cseq + " " + this.message.method); + this.message.setHeader(authorizationHeaderName, this.credentials.toString()); + // Calling init (again) will swap out our existing client transaction with a new one. + // FIXME: HACK: An assumption is being made here that there is nothing that needs to + // be cleaned up beyond the client transaction which is being replaced. For example, + // it is assumed that no early dialogs have been created. + this.init(); + return false; + }; + /** + * 8.1.3.1 Transaction Layer Errors + * In some cases, the response returned by the transaction layer will + * not be a SIP message, but rather a transaction layer error. When a + * timeout error is received from the transaction layer, it MUST be + * treated as if a 408 (Request Timeout) status code has been received. + * If a fatal transport error is reported by the transport layer + * (generally, due to fatal ICMP errors in UDP or connection failures in + * TCP), the condition MUST be treated as a 503 (Service Unavailable) + * status code. + * https://tools.ietf.org/html/rfc3261#section-8.1.3.1 + */ + UserAgentClient.prototype.onRequestTimeout = function () { + this.logger.warn("User agent client request timed out. Generating internal 408 Request Timeout."); + var message = new messages_1.IncomingResponseMessage(); + message.statusCode = 408; + message.reasonPhrase = "Request Timeout"; + this.receiveResponse(message); + return; + }; + /** + * 8.1.3.1 Transaction Layer Errors + * In some cases, the response returned by the transaction layer will + * not be a SIP message, but rather a transaction layer error. When a + * timeout error is received from the transaction layer, it MUST be + * treated as if a 408 (Request Timeout) status code has been received. + * If a fatal transport error is reported by the transport layer + * (generally, due to fatal ICMP errors in UDP or connection failures in + * TCP), the condition MUST be treated as a 503 (Service Unavailable) + * status code. + * https://tools.ietf.org/html/rfc3261#section-8.1.3.1 + * @param error - Transport error + */ + UserAgentClient.prototype.onTransportError = function (error) { + this.logger.error(error.message); + this.logger.error("User agent client request transport error. Generating internal 503 Service Unavailable."); + var message = new messages_1.IncomingResponseMessage(); + message.statusCode = 503; + message.reasonPhrase = "Service Unavailable"; + this.receiveResponse(message); + }; + /** + * Receive a response from the transaction layer. + * @param message - Incoming response message. + */ + UserAgentClient.prototype.receiveResponse = function (message) { + if (!this.authenticationGuard(message)) { + return; + } + var statusCode = message.statusCode ? message.statusCode.toString() : ""; + if (!statusCode) { + throw new Error("Response status code undefined."); + } + switch (true) { + case /^100$/.test(statusCode): + if (this.delegate && this.delegate.onTrying) { + this.delegate.onTrying({ message: message }); + } + break; + case /^1[0-9]{2}$/.test(statusCode): + if (this.delegate && this.delegate.onProgress) { + this.delegate.onProgress({ message: message }); + } + break; + case /^2[0-9]{2}$/.test(statusCode): + if (this.delegate && this.delegate.onAccept) { + this.delegate.onAccept({ message: message }); + } + break; + case /^3[0-9]{2}$/.test(statusCode): + if (this.delegate && this.delegate.onRedirect) { + this.delegate.onRedirect({ message: message }); + } + break; + case /^[4-6][0-9]{2}$/.test(statusCode): + if (this.delegate && this.delegate.onReject) { + this.delegate.onReject({ message: message }); + } + break; + default: + throw new Error("Invalid status code " + statusCode); + } + }; + UserAgentClient.prototype.init = function () { + var _this = this; + // We are the transaction user. + var user = { + loggerFactory: this.loggerFactory, + onRequestTimeout: function () { return _this.onRequestTimeout(); }, + onStateChange: function (newState) { + if (newState === transactions_1.TransactionState.Terminated) { + // Remove the terminated transaction from the core. + _this.core.userAgentClients.delete(userAgentClientId); + // FIXME: HACK: Our transaction may have been swapped out with a new one + // post authentication (see above), so make sure to only to dispose of + // ourselves if this terminating transaction is our current transaction. + if (transaction === _this._transaction) { + _this.dispose(); + } + } + }, + onTransportError: function (error) { return _this.onTransportError(error); }, + receiveResponse: function (message) { return _this.receiveResponse(message); } + }; + // Create a new transaction with us as the user. + var transaction = new this.transactionConstructor(this.message, this.core.transport, user); + this._transaction = transaction; + // Add the new transaction to the core. + var userAgentClientId = transaction.id + transaction.request.method; + this.core.userAgentClients.set(userAgentClientId, this); + }; + return UserAgentClient; +}()); +exports.UserAgentClient = UserAgentClient; + + +/***/ }), +/* 43 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * BYE UAS. + * @public + */ +var ByeUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(ByeUserAgentServer, _super); + function ByeUserAgentServer(dialog, message, delegate) { + return _super.call(this, transactions_1.NonInviteServerTransaction, dialog.userAgentCore, message, delegate) || this; + } + return ByeUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.ByeUserAgentServer = ByeUserAgentServer; + + +/***/ }), +/* 44 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var exceptions_1 = __webpack_require__(31); +var messages_1 = __webpack_require__(5); +var utils_1 = __webpack_require__(16); +var transactions_1 = __webpack_require__(27); +/** + * User Agent Server (UAS). + * @remarks + * A user agent server is a logical entity + * that generates a response to a SIP request. The response + * accepts, rejects, or redirects the request. This role lasts + * only for the duration of that transaction. In other words, if + * a piece of software responds to a request, it acts as a UAS for + * the duration of that transaction. If it generates a request + * later, it assumes the role of a user agent client for the + * processing of that transaction. + * https://tools.ietf.org/html/rfc3261#section-6 + * @public + */ +var UserAgentServer = /** @class */ (function () { + function UserAgentServer(transactionConstructor, core, message, delegate) { + this.transactionConstructor = transactionConstructor; + this.core = core; + this.message = message; + this.delegate = delegate; + this.logger = this.loggerFactory.getLogger("sip.user-agent-server"); + this.toTag = message.toTag ? message.toTag : utils_1.newTag(); + this.init(); + } + UserAgentServer.prototype.dispose = function () { + this.transaction.dispose(); + }; + Object.defineProperty(UserAgentServer.prototype, "loggerFactory", { + get: function () { + return this.core.loggerFactory; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentServer.prototype, "transaction", { + /** The transaction associated with this request. */ + get: function () { + if (!this._transaction) { + throw new Error("Transaction undefined."); + } + return this._transaction; + }, + enumerable: true, + configurable: true + }); + UserAgentServer.prototype.accept = function (options) { + if (options === void 0) { options = { statusCode: 200 }; } + if (!this.acceptable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not acceptable in state " + this.transaction.state + "."); + } + var statusCode = options.statusCode; + if (statusCode < 200 || statusCode > 299) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var response = this.reply(options); + return response; + }; + UserAgentServer.prototype.progress = function (options) { + if (options === void 0) { options = { statusCode: 180 }; } + if (!this.progressable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not progressable in state " + this.transaction.state + "."); + } + var statusCode = options.statusCode; + if (statusCode < 101 || statusCode > 199) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var response = this.reply(options); + return response; + }; + UserAgentServer.prototype.redirect = function (contacts, options) { + if (options === void 0) { options = { statusCode: 302 }; } + if (!this.redirectable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not redirectable in state " + this.transaction.state + "."); + } + var statusCode = options.statusCode; + if (statusCode < 300 || statusCode > 399) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var contactHeaders = new Array(); + contacts.forEach(function (contact) { return contactHeaders.push("Contact: " + contact.toString()); }); + options.extraHeaders = (options.extraHeaders || []).concat(contactHeaders); + var response = this.reply(options); + return response; + }; + UserAgentServer.prototype.reject = function (options) { + if (options === void 0) { options = { statusCode: 480 }; } + if (!this.rejectable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not rejectable in state " + this.transaction.state + "."); + } + var statusCode = options.statusCode; + if (statusCode < 400 || statusCode > 699) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var response = this.reply(options); + return response; + }; + UserAgentServer.prototype.trying = function (options) { + if (!this.tryingable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not tryingable in state " + this.transaction.state + "."); + } + var response = this.reply({ statusCode: 100 }); + return response; + }; + /** + * If the UAS did not find a matching transaction for the CANCEL + * according to the procedure above, it SHOULD respond to the CANCEL + * with a 481 (Call Leg/Transaction Does Not Exist). If the transaction + * for the original request still exists, the behavior of the UAS on + * receiving a CANCEL request depends on whether it has already sent a + * final response for the original request. If it has, the CANCEL + * request has no effect on the processing of the original request, no + * effect on any session state, and no effect on the responses generated + * for the original request. If the UAS has not issued a final response + * for the original request, its behavior depends on the method of the + * original request. If the original request was an INVITE, the UAS + * SHOULD immediately respond to the INVITE with a 487 (Request + * Terminated). A CANCEL request has no impact on the processing of + * transactions with any other method defined in this specification. + * https://tools.ietf.org/html/rfc3261#section-9.2 + * @param request - Incoming CANCEL request. + */ + UserAgentServer.prototype.receiveCancel = function (message) { + // Note: Currently CANCEL is being handled as a special case. + // No UAS is created to handle the CANCEL and the response to + // it CANCEL is being handled statelessly by the user agent core. + // As such, there is currently no way to externally impact the + // response to the a CANCEL request. + if (this.delegate && this.delegate.onCancel) { + this.delegate.onCancel(message); + } + }; + Object.defineProperty(UserAgentServer.prototype, "acceptable", { + get: function () { + if (this.transaction instanceof transactions_1.InviteServerTransaction) { + return (this.transaction.state === transactions_1.TransactionState.Proceeding || + this.transaction.state === transactions_1.TransactionState.Accepted); + } + if (this.transaction instanceof transactions_1.NonInviteServerTransaction) { + return (this.transaction.state === transactions_1.TransactionState.Trying || + this.transaction.state === transactions_1.TransactionState.Proceeding); + } + throw new Error("Unknown transaction type."); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentServer.prototype, "progressable", { + get: function () { + if (this.transaction instanceof transactions_1.InviteServerTransaction) { + return this.transaction.state === transactions_1.TransactionState.Proceeding; + } + if (this.transaction instanceof transactions_1.NonInviteServerTransaction) { + return false; // https://tools.ietf.org/html/rfc4320#section-4.1 + } + throw new Error("Unknown transaction type."); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentServer.prototype, "redirectable", { + get: function () { + if (this.transaction instanceof transactions_1.InviteServerTransaction) { + return this.transaction.state === transactions_1.TransactionState.Proceeding; + } + if (this.transaction instanceof transactions_1.NonInviteServerTransaction) { + return (this.transaction.state === transactions_1.TransactionState.Trying || + this.transaction.state === transactions_1.TransactionState.Proceeding); + } + throw new Error("Unknown transaction type."); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentServer.prototype, "rejectable", { + get: function () { + if (this.transaction instanceof transactions_1.InviteServerTransaction) { + return this.transaction.state === transactions_1.TransactionState.Proceeding; + } + if (this.transaction instanceof transactions_1.NonInviteServerTransaction) { + return (this.transaction.state === transactions_1.TransactionState.Trying || + this.transaction.state === transactions_1.TransactionState.Proceeding); + } + throw new Error("Unknown transaction type."); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentServer.prototype, "tryingable", { + get: function () { + if (this.transaction instanceof transactions_1.InviteServerTransaction) { + return this.transaction.state === transactions_1.TransactionState.Proceeding; + } + if (this.transaction instanceof transactions_1.NonInviteServerTransaction) { + return this.transaction.state === transactions_1.TransactionState.Trying; + } + throw new Error("Unknown transaction type."); + }, + enumerable: true, + configurable: true + }); + /** + * When a UAS wishes to construct a response to a request, it follows + * the general procedures detailed in the following subsections. + * Additional behaviors specific to the response code in question, which + * are not detailed in this section, may also be required. + * + * Once all procedures associated with the creation of a response have + * been completed, the UAS hands the response back to the server + * transaction from which it received the request. + * https://tools.ietf.org/html/rfc3261#section-8.2.6 + * @param statusCode - Status code to reply with. + * @param options - Reply options bucket. + */ + UserAgentServer.prototype.reply = function (options) { + if (!options.toTag && options.statusCode !== 100) { + options.toTag = this.toTag; + } + options.userAgent = options.userAgent || this.core.configuration.userAgentHeaderFieldValue; + options.supported = options.supported || this.core.configuration.supportedOptionTagsResponse; + var response = messages_1.constructOutgoingResponse(this.message, options); + this.transaction.receiveResponse(options.statusCode, response.message); + return response; + }; + UserAgentServer.prototype.init = function () { + var _this = this; + // We are the transaction user. + var user = { + loggerFactory: this.loggerFactory, + onStateChange: function (newState) { + if (newState === transactions_1.TransactionState.Terminated) { + // Remove the terminated transaction from the core. + _this.core.userAgentServers.delete(userAgentServerId); + _this.dispose(); + } + }, + onTransportError: function (error) { + _this.logger.error(error.message); + if (_this.delegate && _this.delegate.onTransportError) { + _this.delegate.onTransportError(error); + } + else { + _this.logger.error("User agent server response transport error."); + } + } + }; + // Create a new transaction with us as the user. + var transaction = new this.transactionConstructor(this.message, this.core.transport, user); + this._transaction = transaction; + // Add the new transaction to the core. + var userAgentServerId = transaction.id; + this.core.userAgentServers.set(transaction.id, this); + }; + return UserAgentServer; +}()); +exports.UserAgentServer = UserAgentServer; + + +/***/ }), +/* 45 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * INFO UAC. + * @public + */ +var InfoUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(InfoUserAgentClient, _super); + function InfoUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.INFO, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + return _this; + } + return InfoUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.InfoUserAgentClient = InfoUserAgentClient; + + +/***/ }), +/* 46 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * INFO UAS. + * @public + */ +var InfoUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(InfoUserAgentServer, _super); + function InfoUserAgentServer(dialog, message, delegate) { + return _super.call(this, transactions_1.NonInviteServerTransaction, dialog.userAgentCore, message, delegate) || this; + } + return InfoUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.InfoUserAgentServer = InfoUserAgentServer; + + +/***/ }), +/* 47 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * NOTIFY UAS. + * @public + */ +var NotifyUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(NotifyUserAgentClient, _super); + function NotifyUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.NOTIFY, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + return _this; + } + return NotifyUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.NotifyUserAgentClient = NotifyUserAgentClient; + + +/***/ }), +/* 48 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * NOTIFY UAS. + * @public + */ +var NotifyUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(NotifyUserAgentServer, _super); + /** + * NOTIFY UAS constructor. + * @param dialogOrCore - Dialog for in dialog NOTIFY, UserAgentCore for out of dialog NOTIFY (deprecated). + * @param message - Incoming NOTIFY request message. + */ + function NotifyUserAgentServer(dialogOrCore, message, delegate) { + var _this = this; + var userAgentCore = instanceOfDialog(dialogOrCore) ? + dialogOrCore.userAgentCore : + dialogOrCore; + _this = _super.call(this, transactions_1.NonInviteServerTransaction, userAgentCore, message, delegate) || this; + return _this; + } + return NotifyUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.NotifyUserAgentServer = NotifyUserAgentServer; +function instanceOfDialog(object) { + return object.userAgentCore !== undefined; +} + + +/***/ }), +/* 49 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * PRACK UAC. + * @public + */ +var PrackUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(PrackUserAgentClient, _super); + function PrackUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.PRACK, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + dialog.signalingStateTransition(message); + return _this; + } + return PrackUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.PrackUserAgentClient = PrackUserAgentClient; + + +/***/ }), +/* 50 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * PRACK UAS. + * @public + */ +var PrackUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(PrackUserAgentServer, _super); + function PrackUserAgentServer(dialog, message, delegate) { + var _this = _super.call(this, transactions_1.NonInviteServerTransaction, dialog.userAgentCore, message, delegate) || this; + // Update dialog signaling state with offer/answer in body + dialog.signalingStateTransition(message); + _this.dialog = dialog; + return _this; + } + /** + * Update the dialog signaling state on a 2xx response. + * @param options - Options bucket. + */ + PrackUserAgentServer.prototype.accept = function (options) { + if (options === void 0) { options = { statusCode: 200 }; } + if (options.body) { + // Update dialog signaling state with offer/answer in body + this.dialog.signalingStateTransition(options.body); + } + return _super.prototype.accept.call(this, options); + }; + return PrackUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.PrackUserAgentServer = PrackUserAgentServer; + + +/***/ }), +/* 51 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * Re-INVITE UAC. + * @remarks + * 14 Modifying an Existing Session + * https://tools.ietf.org/html/rfc3261#section-14 + * 14.1 UAC Behavior + * https://tools.ietf.org/html/rfc3261#section-14.1 + * @public + */ +var ReInviteUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(ReInviteUserAgentClient, _super); + function ReInviteUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.INVITE, options); + _this = _super.call(this, transactions_1.InviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + _this.delegate = delegate; + dialog.signalingStateTransition(message); + // FIXME: TODO: next line obviously needs to be improved... + dialog.reinviteUserAgentClient = _this; // let the dialog know re-invite request sent + _this.dialog = dialog; + return _this; + } + ReInviteUserAgentClient.prototype.receiveResponse = function (message) { + var _this = this; + var statusCode = message.statusCode ? message.statusCode.toString() : ""; + if (!statusCode) { + throw new Error("Response status code undefined."); + } + switch (true) { + case /^100$/.test(statusCode): + if (this.delegate && this.delegate.onTrying) { + this.delegate.onTrying({ message: message }); + } + break; + case /^1[0-9]{2}$/.test(statusCode): + if (this.delegate && this.delegate.onProgress) { + this.delegate.onProgress({ + message: message, + session: this.dialog, + prack: function (options) { + throw new Error("Unimplemented."); + } + }); + } + break; + case /^2[0-9]{2}$/.test(statusCode): + // Update dialog signaling state with offer/answer in body + this.dialog.signalingStateTransition(message); + if (this.delegate && this.delegate.onAccept) { + this.delegate.onAccept({ + message: message, + session: this.dialog, + ack: function (options) { + var outgoingAckRequest = _this.dialog.ack(options); + return outgoingAckRequest; + } + }); + } + break; + case /^3[0-9]{2}$/.test(statusCode): + this.dialog.signalingStateRollback(); + this.dialog.reinviteUserAgentClient = undefined; // ACK was handled by transaction + if (this.delegate && this.delegate.onRedirect) { + this.delegate.onRedirect({ message: message }); + } + break; + case /^[4-6][0-9]{2}$/.test(statusCode): + this.dialog.signalingStateRollback(); + this.dialog.reinviteUserAgentClient = undefined; // ACK was handled by transaction + if (this.delegate && this.delegate.onReject) { + this.delegate.onReject({ message: message }); + } + else { + // If a UA receives a non-2xx final response to a re-INVITE, the session + // parameters MUST remain unchanged, as if no re-INVITE had been issued. + // Note that, as stated in Section 12.2.1.2, if the non-2xx final + // response is a 481 (Call/Transaction Does Not Exist), or a 408 + // (Request Timeout), or no response at all is received for the re- + // INVITE (that is, a timeout is returned by the INVITE client + // transaction), the UAC will terminate the dialog. + // + // If a UAC receives a 491 response to a re-INVITE, it SHOULD start a + // timer with a value T chosen as follows: + // + // 1. If the UAC is the owner of the Call-ID of the dialog ID + // (meaning it generated the value), T has a randomly chosen value + // between 2.1 and 4 seconds in units of 10 ms. + // + // 2. If the UAC is not the owner of the Call-ID of the dialog ID, T + // has a randomly chosen value of between 0 and 2 seconds in units + // of 10 ms. + // + // When the timer fires, the UAC SHOULD attempt the re-INVITE once more, + // if it still desires for that session modification to take place. For + // example, if the call was already hung up with a BYE, the re-INVITE + // would not take place. + // https://tools.ietf.org/html/rfc3261#section-14.1 + // FIXME: TODO: The above. + } + break; + default: + throw new Error("Invalid status code " + statusCode); + } + }; + return ReInviteUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.ReInviteUserAgentClient = ReInviteUserAgentClient; + + +/***/ }), +/* 52 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * Re-INVITE UAS. + * @remarks + * 14 Modifying an Existing Session + * https://tools.ietf.org/html/rfc3261#section-14 + * 14.2 UAS Behavior + * https://tools.ietf.org/html/rfc3261#section-14.2 + * @public + */ +var ReInviteUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(ReInviteUserAgentServer, _super); + function ReInviteUserAgentServer(dialog, message, delegate) { + var _this = _super.call(this, transactions_1.InviteServerTransaction, dialog.userAgentCore, message, delegate) || this; + dialog.reinviteUserAgentServer = _this; + _this.dialog = dialog; + return _this; + } + /** + * Update the dialog signaling state on a 2xx response. + * @param options - Options bucket. + */ + ReInviteUserAgentServer.prototype.accept = function (options) { + if (options === void 0) { options = { statusCode: 200 }; } + // FIXME: The next two lines SHOULD go away, but I suppose it's technically harmless... + // These are here because some versions of SIP.js prior to 0.13.8 set the route set + // of all in dialog ACKs based on the Record-Route headers in the associated 2xx + // response. While this worked for dialog forming 2xx responses, it was technically + // broken for re-INVITE ACKS as it only worked if the UAS populated the Record-Route + // headers in the re-INVITE 2xx response (which is not required and a waste of bandwidth + // as the should be ignored if present in re-INVITE ACKS) and the UAS populated + // the Record-Route headers with the correct values (would be weird not too, but...). + // Anyway, for now the technically useless Record-Route headers are being added + // to maintain "backwards compatibility" with the older broken versions of SIP.js. + options.extraHeaders = options.extraHeaders || []; + options.extraHeaders = options.extraHeaders.concat(this.dialog.routeSet.map(function (route) { return "Record-Route: " + route; })); + // Send and return the response + var response = _super.prototype.accept.call(this, options); + var session = this.dialog; + var result = tslib_1.__assign(tslib_1.__assign({}, response), { session: session }); + if (options.body) { + // Update dialog signaling state with offer/answer in body + this.dialog.signalingStateTransition(options.body); + } + // Update dialog + this.dialog.reConfirm(); + return result; + }; + /** + * Update the dialog signaling state on a 1xx response. + * @param options - Progress options bucket. + */ + ReInviteUserAgentServer.prototype.progress = function (options) { + if (options === void 0) { options = { statusCode: 180 }; } + // Send and return the response + var response = _super.prototype.progress.call(this, options); + var session = this.dialog; + var result = tslib_1.__assign(tslib_1.__assign({}, response), { session: session }); + // Update dialog signaling state + if (options.body) { + this.dialog.signalingStateTransition(options.body); + } + return result; + }; + /** + * TODO: Not Yet Supported + * @param contacts - Contacts to redirect to. + * @param options - Redirect options bucket. + */ + ReInviteUserAgentServer.prototype.redirect = function (contacts, options) { + if (options === void 0) { options = { statusCode: 302 }; } + this.dialog.signalingStateRollback(); + this.dialog.reinviteUserAgentServer = undefined; // ACK will be handled by transaction + throw new Error("Unimplemented."); + }; + /** + * 3.1 Background on Re-INVITE Handling by UASs + * An error response to a re-INVITE has the following semantics. As + * specified in Section 12.2.2 of RFC 3261 [RFC3261], if a re-INVITE is + * rejected, no state changes are performed. + * https://tools.ietf.org/html/rfc6141#section-3.1 + * @param options - Reject options bucket. + */ + ReInviteUserAgentServer.prototype.reject = function (options) { + if (options === void 0) { options = { statusCode: 488 }; } + this.dialog.signalingStateRollback(); + this.dialog.reinviteUserAgentServer = undefined; // ACK will be handled by transaction + return _super.prototype.reject.call(this, options); + }; + return ReInviteUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.ReInviteUserAgentServer = ReInviteUserAgentServer; + + +/***/ }), +/* 53 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * REFER UAC. + * @public + */ +var ReferUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(ReferUserAgentClient, _super); + function ReferUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.REFER, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + return _this; + } + return ReferUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.ReferUserAgentClient = ReferUserAgentClient; + + +/***/ }), +/* 54 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * REFER UAS. + * @public + */ +var ReferUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(ReferUserAgentServer, _super); + /** + * REFER UAS constructor. + * @param dialogOrCore - Dialog for in dialog REFER, UserAgentCore for out of dialog REFER. + * @param message - Incoming REFER request message. + */ + function ReferUserAgentServer(dialogOrCore, message, delegate) { + var _this = this; + var userAgentCore = instanceOfSessionDialog(dialogOrCore) ? + dialogOrCore.userAgentCore : + dialogOrCore; + _this = _super.call(this, transactions_1.NonInviteServerTransaction, userAgentCore, message, delegate) || this; + return _this; + } + return ReferUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.ReferUserAgentServer = ReferUserAgentServer; +function instanceOfSessionDialog(object) { + return object.userAgentCore !== undefined; +} + + +/***/ }), +/* 55 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var subscription_1 = __webpack_require__(56); +var timers_1 = __webpack_require__(26); +var allowed_methods_1 = __webpack_require__(58); +var notify_user_agent_server_1 = __webpack_require__(48); +var re_subscribe_user_agent_client_1 = __webpack_require__(59); +var dialog_1 = __webpack_require__(4); +/** + * Subscription Dialog. + * @remarks + * SIP-Specific Event Notification + * + * Abstract + * + * This document describes an extension to the Session Initiation + * Protocol (SIP) defined by RFC 3261. The purpose of this extension is + * to provide an extensible framework by which SIP nodes can request + * notification from remote nodes indicating that certain events have + * occurred. + * + * Note that the event notification mechanisms defined herein are NOT + * intended to be a general-purpose infrastructure for all classes of + * event subscription and notification. + * + * This document represents a backwards-compatible improvement on the + * original mechanism described by RFC 3265, taking into account several + * years of implementation experience. Accordingly, this document + * obsoletes RFC 3265. This document also updates RFC 4660 slightly to + * accommodate some small changes to the mechanism that were discussed + * in that document. + * + * https://tools.ietf.org/html/rfc6665 + * @public + */ +var SubscriptionDialog = /** @class */ (function (_super) { + tslib_1.__extends(SubscriptionDialog, _super); + function SubscriptionDialog(subscriptionEvent, subscriptionExpires, subscriptionState, core, state, delegate) { + var _this = _super.call(this, core, state) || this; + _this.delegate = delegate; + _this._autoRefresh = false; + _this._subscriptionEvent = subscriptionEvent; + _this._subscriptionExpires = subscriptionExpires; + _this._subscriptionExpiresInitial = subscriptionExpires; + _this._subscriptionExpiresLastSet = Math.floor(Date.now() / 1000); + _this._subscriptionRefresh = undefined; + _this._subscriptionRefreshLastSet = undefined; + _this._subscriptionState = subscriptionState; + _this.logger = core.loggerFactory.getLogger("sip.subscribe-dialog"); + _this.logger.log("SUBSCRIBE dialog " + _this.id + " constructed"); + return _this; + } + /** + * When a UAC receives a response that establishes a dialog, it + * constructs the state of the dialog. This state MUST be maintained + * for the duration of the dialog. + * https://tools.ietf.org/html/rfc3261#section-12.1.2 + * @param outgoingRequestMessage - Outgoing request message for dialog. + * @param incomingResponseMessage - Incoming response message creating dialog. + */ + SubscriptionDialog.initialDialogStateForSubscription = function (outgoingSubscribeRequestMessage, incomingNotifyRequestMessage) { + // If the request was sent over TLS, and the Request-URI contained a + // SIPS URI, the "secure" flag is set to TRUE. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var secure = false; // FIXME: Currently no support for TLS. + // The route set MUST be set to the list of URIs in the Record-Route + // header field from the response, taken in reverse order and preserving + // all URI parameters. If no Record-Route header field is present in + // the response, the route set MUST be set to the empty set. This route + // set, even if empty, overrides any pre-existing route set for future + // requests in this dialog. The remote target MUST be set to the URI + // from the Contact header field of the response. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var routeSet = incomingNotifyRequestMessage.getHeaders("record-route"); + var contact = incomingNotifyRequestMessage.parseHeader("contact"); + if (!contact) { // TODO: Review to make sure this will never happen + throw new Error("Contact undefined."); + } + if (!(contact instanceof messages_1.NameAddrHeader)) { + throw new Error("Contact not instance of NameAddrHeader."); + } + var remoteTarget = contact.uri; + // The local sequence number MUST be set to the value of the sequence + // number in the CSeq header field of the request. The remote sequence + // number MUST be empty (it is established when the remote UA sends a + // request within the dialog). The call identifier component of the + // dialog ID MUST be set to the value of the Call-ID in the request. + // The local tag component of the dialog ID MUST be set to the tag in + // the From field in the request, and the remote tag component of the + // dialog ID MUST be set to the tag in the To field of the response. A + // UAC MUST be prepared to receive a response without a tag in the To + // field, in which case the tag is considered to have a value of null. + // + // This is to maintain backwards compatibility with RFC 2543, which + // did not mandate To tags. + // + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + var localSequenceNumber = outgoingSubscribeRequestMessage.cseq; + var remoteSequenceNumber = undefined; + var callId = outgoingSubscribeRequestMessage.callId; + var localTag = outgoingSubscribeRequestMessage.fromTag; + var remoteTag = incomingNotifyRequestMessage.fromTag; + if (!callId) { // TODO: Review to make sure this will never happen + throw new Error("Call id undefined."); + } + if (!localTag) { // TODO: Review to make sure this will never happen + throw new Error("From tag undefined."); + } + if (!remoteTag) { // TODO: Review to make sure this will never happen + throw new Error("To tag undefined."); // FIXME: No backwards compatibility with RFC 2543 + } + // The remote URI MUST be set to the URI in the To field, and the local + // URI MUST be set to the URI in the From field. + // https://tools.ietf.org/html/rfc3261#section-12.1.2 + if (!outgoingSubscribeRequestMessage.from) { // TODO: Review to make sure this will never happen + throw new Error("From undefined."); + } + if (!outgoingSubscribeRequestMessage.to) { // TODO: Review to make sure this will never happen + throw new Error("To undefined."); + } + var localURI = outgoingSubscribeRequestMessage.from.uri; + var remoteURI = outgoingSubscribeRequestMessage.to.uri; + // A dialog can also be in the "early" state, which occurs when it is + // created with a provisional response, and then transition to the + // "confirmed" state when a 2xx final response arrives. + // https://tools.ietf.org/html/rfc3261#section-12 + var early = false; + var dialogState = { + id: callId + localTag + remoteTag, + early: early, + callId: callId, + localTag: localTag, + remoteTag: remoteTag, + localSequenceNumber: localSequenceNumber, + remoteSequenceNumber: remoteSequenceNumber, + localURI: localURI, + remoteURI: remoteURI, + remoteTarget: remoteTarget, + routeSet: routeSet, + secure: secure + }; + return dialogState; + }; + SubscriptionDialog.prototype.dispose = function () { + _super.prototype.dispose.call(this); + if (this.N) { + clearTimeout(this.N); + this.N = undefined; + } + this.refreshTimerClear(); + this.logger.log("SUBSCRIBE dialog " + this.id + " destroyed"); + }; + Object.defineProperty(SubscriptionDialog.prototype, "autoRefresh", { + get: function () { + return this._autoRefresh; + }, + set: function (autoRefresh) { + this._autoRefresh = true; + this.refreshTimerSet(); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SubscriptionDialog.prototype, "subscriptionEvent", { + get: function () { + return this._subscriptionEvent; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SubscriptionDialog.prototype, "subscriptionExpires", { + /** Number of seconds until subscription expires. */ + get: function () { + var secondsSinceLastSet = Math.floor(Date.now() / 1000) - this._subscriptionExpiresLastSet; + var secondsUntilExpires = this._subscriptionExpires - secondsSinceLastSet; + return Math.max(secondsUntilExpires, 0); + }, + set: function (expires) { + if (expires < 0) { + throw new Error("Expires must be greater than or equal to zero."); + } + this._subscriptionExpires = expires; + this._subscriptionExpiresLastSet = Math.floor(Date.now() / 1000); + if (this.autoRefresh) { + var refresh = this.subscriptionRefresh; + if (refresh === undefined || refresh >= expires) { + this.refreshTimerSet(); + } + } + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SubscriptionDialog.prototype, "subscriptionExpiresInitial", { + get: function () { + return this._subscriptionExpiresInitial; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SubscriptionDialog.prototype, "subscriptionRefresh", { + /** Number of seconds until subscription auto refresh. */ + get: function () { + if (this._subscriptionRefresh === undefined || this._subscriptionRefreshLastSet === undefined) { + return undefined; + } + var secondsSinceLastSet = Math.floor(Date.now() / 1000) - this._subscriptionRefreshLastSet; + var secondsUntilExpires = this._subscriptionRefresh - secondsSinceLastSet; + return Math.max(secondsUntilExpires, 0); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SubscriptionDialog.prototype, "subscriptionState", { + get: function () { + return this._subscriptionState; + }, + enumerable: true, + configurable: true + }); + /** + * Receive in dialog request message from transport. + * @param message - The incoming request message. + */ + SubscriptionDialog.prototype.receiveRequest = function (message) { + this.logger.log("SUBSCRIBE dialog " + this.id + " received " + message.method + " request"); + // Request within a dialog out of sequence guard. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (!this.sequenceGuard(message)) { + this.logger.log("SUBSCRIBE dialog " + this.id + " rejected out of order " + message.method + " request."); + return; + } + // Request within a dialog common processing. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + _super.prototype.receiveRequest.call(this, message); + // Switch on method and then delegate. + switch (message.method) { + case messages_1.C.NOTIFY: + this.onNotify(message); + break; + default: + this.logger.log("SUBSCRIBE dialog " + this.id + " received unimplemented " + message.method + " request"); + this.core.replyStateless(message, { statusCode: 501 }); + break; + } + }; + /** + * 4.1.2.2. Refreshing of Subscriptions + * https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + */ + SubscriptionDialog.prototype.refresh = function () { + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + var options = {}; + options.extraHeaders = (options.extraHeaders || []).slice(); + options.extraHeaders.push(allowHeader); + options.extraHeaders.push("Event: " + this.subscriptionEvent); + options.extraHeaders.push("Expires: " + this.subscriptionExpiresInitial); + options.extraHeaders.push("Contact: " + this.core.configuration.contact.toString()); + return this.subscribe(undefined, options); + }; + /** + * 4.1.2.2. Refreshing of Subscriptions + * https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + * @param delegate - Delegate to handle responses. + * @param options - Options bucket. + */ + SubscriptionDialog.prototype.subscribe = function (delegate, options) { + var _this = this; + if (options === void 0) { options = {}; } + if (this.subscriptionState !== subscription_1.SubscriptionState.Pending && this.subscriptionState !== subscription_1.SubscriptionState.Active) { + // FIXME: This needs to be a proper exception + throw new Error("Invalid state " + this.subscriptionState + ". May only re-subscribe while in state \"pending\" or \"active\"."); + } + this.logger.log("SUBSCRIBE dialog " + this.id + " sending SUBSCRIBE request"); + var uac = new re_subscribe_user_agent_client_1.ReSubscribeUserAgentClient(this, delegate, options); + // When refreshing a subscription, a subscriber starts Timer N, set to + // 64*T1, when it sends the SUBSCRIBE request. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + this.N = setTimeout(function () { return _this.timer_N(); }, timers_1.Timers.TIMER_N); + return uac; + }; + /** + * 4.4.1. Dialog Creation and Termination + * A subscription is destroyed after a notifier sends a NOTIFY request + * with a "Subscription-State" of "terminated", or in certain error + * situations described elsewhere in this document. + * https://tools.ietf.org/html/rfc6665#section-4.4.1 + */ + SubscriptionDialog.prototype.terminate = function () { + this.stateTransition(subscription_1.SubscriptionState.Terminated); + this.onTerminated(); + }; + /** + * 4.1.2.3. Unsubscribing + * https://tools.ietf.org/html/rfc6665#section-4.1.2.3 + */ + SubscriptionDialog.prototype.unsubscribe = function () { + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + var options = {}; + options.extraHeaders = (options.extraHeaders || []).slice(); + options.extraHeaders.push(allowHeader); + options.extraHeaders.push("Event: " + this.subscriptionEvent); + options.extraHeaders.push("Expires: 0"); + options.extraHeaders.push("Contact: " + this.core.configuration.contact.toString()); + return this.subscribe(undefined, options); + }; + /** + * Handle in dialog NOTIFY requests. + * This does not include the first NOTIFY which created the dialog. + * @param message - The incoming NOTIFY request message. + */ + SubscriptionDialog.prototype.onNotify = function (message) { + // If, for some reason, the event package designated in the "Event" + // header field of the NOTIFY request is not supported, the subscriber + // will respond with a 489 (Bad Event) response. + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + var event = message.parseHeader("Event").event; + if (!event || event !== this.subscriptionEvent) { + this.core.replyStateless(message, { statusCode: 489 }); + return; + } + // In the state diagram, "Re-subscription times out" means that an + // attempt to refresh or update the subscription using a new SUBSCRIBE + // request does not result in a NOTIFY request before the corresponding + // Timer N expires. + // https://tools.ietf.org/html/rfc6665#section-4.1.2 + if (this.N) { + clearTimeout(this.N); + this.N = undefined; + } + // NOTIFY requests MUST contain "Subscription-State" header fields that + // indicate the status of the subscription. + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + var subscriptionState = message.parseHeader("Subscription-State"); + if (!subscriptionState || !subscriptionState.state) { + this.core.replyStateless(message, { statusCode: 489 }); + return; + } + var state = subscriptionState.state; + var expires = subscriptionState.expires ? Math.max(subscriptionState.expires, 0) : undefined; + // Update our state and expiration. + switch (state) { + case "pending": + this.stateTransition(subscription_1.SubscriptionState.Pending, expires); + break; + case "active": + this.stateTransition(subscription_1.SubscriptionState.Active, expires); + break; + case "terminated": + this.stateTransition(subscription_1.SubscriptionState.Terminated, expires); + break; + default: + this.logger.warn("Unrecognized subscription state."); + break; + } + // Delegate remainder of NOTIFY handling. + var uas = new notify_user_agent_server_1.NotifyUserAgentServer(this, message); + if (this.delegate && this.delegate.onNotify) { + this.delegate.onNotify(uas); + } + else { + uas.accept(); + } + }; + SubscriptionDialog.prototype.onRefresh = function (request) { + if (this.delegate && this.delegate.onRefresh) { + this.delegate.onRefresh(request); + } + }; + SubscriptionDialog.prototype.onTerminated = function () { + if (this.delegate && this.delegate.onTerminated) { + this.delegate.onTerminated(); + } + }; + SubscriptionDialog.prototype.refreshTimerClear = function () { + if (this.refreshTimer) { + clearTimeout(this.refreshTimer); + this.refreshTimer = undefined; + } + }; + SubscriptionDialog.prototype.refreshTimerSet = function () { + var _this = this; + this.refreshTimerClear(); + if (this.autoRefresh && this.subscriptionExpires > 0) { + var refresh = this.subscriptionExpires * 900; + this._subscriptionRefresh = Math.floor(refresh / 1000); + this._subscriptionRefreshLastSet = Math.floor(Date.now() / 1000); + this.refreshTimer = setTimeout(function () { + _this.refreshTimer = undefined; + _this._subscriptionRefresh = undefined; + _this._subscriptionRefreshLastSet = undefined; + _this.onRefresh(_this.refresh()); + }, refresh); + } + }; + SubscriptionDialog.prototype.stateTransition = function (newState, newExpires) { + var _this = this; + // Assert valid state transitions. + var invalidStateTransition = function () { + _this.logger.warn("Invalid subscription state transition from " + _this.subscriptionState + " to " + newState); + }; + switch (newState) { + case subscription_1.SubscriptionState.Initial: + invalidStateTransition(); + return; + case subscription_1.SubscriptionState.NotifyWait: + invalidStateTransition(); + return; + case subscription_1.SubscriptionState.Pending: + if (this.subscriptionState !== subscription_1.SubscriptionState.NotifyWait && + this.subscriptionState !== subscription_1.SubscriptionState.Pending) { + invalidStateTransition(); + return; + } + break; + case subscription_1.SubscriptionState.Active: + if (this.subscriptionState !== subscription_1.SubscriptionState.NotifyWait && + this.subscriptionState !== subscription_1.SubscriptionState.Pending && + this.subscriptionState !== subscription_1.SubscriptionState.Active) { + invalidStateTransition(); + return; + } + break; + case subscription_1.SubscriptionState.Terminated: + if (this.subscriptionState !== subscription_1.SubscriptionState.NotifyWait && + this.subscriptionState !== subscription_1.SubscriptionState.Pending && + this.subscriptionState !== subscription_1.SubscriptionState.Active) { + invalidStateTransition(); + return; + } + break; + default: + invalidStateTransition(); + return; + } + // If the "Subscription-State" value is "pending", the subscription has + // been received by the notifier, but there is insufficient policy + // information to grant or deny the subscription yet. If the header + // field also contains an "expires" parameter, the subscriber SHOULD + // take it as the authoritative subscription duration and adjust + // accordingly. No further action is necessary on the part of the + // subscriber. The "retry-after" and "reason" parameters have no + // semantics for "pending". + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + if (newState === subscription_1.SubscriptionState.Pending) { + if (newExpires) { + this.subscriptionExpires = newExpires; + } + } + // If the "Subscription-State" header field value is "active", it means + // that the subscription has been accepted and (in general) has been + // authorized. If the header field also contains an "expires" + // parameter, the subscriber SHOULD take it as the authoritative + // subscription duration and adjust accordingly. The "retry-after" and + // "reason" parameters have no semantics for "active". + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + if (newState === subscription_1.SubscriptionState.Active) { + if (newExpires) { + this.subscriptionExpires = newExpires; + } + } + // If the "Subscription-State" value is "terminated", the subscriber + // MUST consider the subscription terminated. The "expires" parameter + // has no semantics for "terminated" -- notifiers SHOULD NOT include an + // "expires" parameter on a "Subscription-State" header field with a + // value of "terminated", and subscribers MUST ignore any such + // parameter, if present. + if (newState === subscription_1.SubscriptionState.Terminated) { + this.dispose(); + } + this._subscriptionState = newState; + }; + /** + * When refreshing a subscription, a subscriber starts Timer N, set to + * 64*T1, when it sends the SUBSCRIBE request. If this Timer N expires + * prior to the receipt of a NOTIFY request, the subscriber considers + * the subscription terminated. If the subscriber receives a success + * response to the SUBSCRIBE request that indicates that no NOTIFY + * request will be generated -- such as the 204 response defined for use + * with the optional extension described in [RFC5839] -- then it MUST + * cancel Timer N. + * https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + */ + SubscriptionDialog.prototype.timer_N = function () { + if (this.subscriptionState !== subscription_1.SubscriptionState.Terminated) { + this.stateTransition(subscription_1.SubscriptionState.Terminated); + this.onTerminated(); + } + }; + return SubscriptionDialog; +}(dialog_1.Dialog)); +exports.SubscriptionDialog = SubscriptionDialog; + + +/***/ }), +/* 56 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(57), exports); + + +/***/ }), +/* 57 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Subscription state. + * @remarks + * https://tools.ietf.org/html/rfc6665#section-4.1.2 + * @public + */ +var SubscriptionState; +(function (SubscriptionState) { + SubscriptionState["Initial"] = "Initial"; + SubscriptionState["NotifyWait"] = "NotifyWait"; + SubscriptionState["Pending"] = "Pending"; + SubscriptionState["Active"] = "Active"; + SubscriptionState["Terminated"] = "Terminated"; +})(SubscriptionState = exports.SubscriptionState || (exports.SubscriptionState = {})); + + +/***/ }), +/* 58 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var messages_1 = __webpack_require__(5); +/** + * FIXME: TODO: Should be configurable/variable. + */ +exports.AllowedMethods = [ + messages_1.C.ACK, + messages_1.C.BYE, + messages_1.C.CANCEL, + messages_1.C.INFO, + messages_1.C.INVITE, + messages_1.C.MESSAGE, + messages_1.C.NOTIFY, + messages_1.C.OPTIONS, + messages_1.C.PRACK, + messages_1.C.REFER, + messages_1.C.REGISTER, + messages_1.C.SUBSCRIBE +]; + + +/***/ }), +/* 59 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * Re-SUBSCRIBE UAC. + * @public + */ +var ReSubscribeUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(ReSubscribeUserAgentClient, _super); + function ReSubscribeUserAgentClient(dialog, delegate, options) { + var _this = this; + var message = dialog.createOutgoingRequestMessage(messages_1.C.SUBSCRIBE, options); + _this = _super.call(this, transactions_1.NonInviteClientTransaction, dialog.userAgentCore, message, delegate) || this; + _this.dialog = dialog; + return _this; + } + ReSubscribeUserAgentClient.prototype.waitNotifyStop = function () { + // TODO: Placeholder. Not utilized currently. + return; + }; + /** + * Receive a response from the transaction layer. + * @param message - Incoming response message. + */ + ReSubscribeUserAgentClient.prototype.receiveResponse = function (message) { + if (message.statusCode && message.statusCode >= 200 && message.statusCode < 300) { + // The "Expires" header field in a 200-class response to SUBSCRIBE + // request indicates the actual duration for which the subscription will + // remain active (unless refreshed). The received value might be + // smaller than the value indicated in the SUBSCRIBE request but cannot + // be larger; see Section 4.2.1 for details. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.1 + var expires = message.getHeader("Expires"); + if (!expires) { + this.logger.warn("Expires header missing in a 200-class response to SUBSCRIBE"); + } + else { + var subscriptionExpiresReceived = Number(expires); + if (this.dialog.subscriptionExpires > subscriptionExpiresReceived) { + this.dialog.subscriptionExpires = subscriptionExpiresReceived; + } + } + } + if (message.statusCode && message.statusCode >= 400 && message.statusCode < 700) { + // If a SUBSCRIBE request to refresh a subscription receives a 404, 405, + // 410, 416, 480-485, 489, 501, or 604 response, the subscriber MUST + // consider the subscription terminated. (See [RFC5057] for further + // details and notes about the effect of error codes on dialogs and + // usages within dialog, such as subscriptions). If the subscriber + // wishes to re-subscribe to the state, he does so by composing an + // unrelated initial SUBSCRIBE request with a freshly generated Call-ID + // and a new, unique "From" tag (see Section 4.1.2.1). + // https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + var errorCodes = [404, 405, 410, 416, 480, 481, 482, 483, 484, 485, 489, 501, 604]; + if (errorCodes.indexOf(message.statusCode) !== -1) { + this.dialog.terminate(); + } + // If a SUBSCRIBE request to refresh a subscription fails with any error + // code other than those listed above, the original subscription is + // still considered valid for the duration of the most recently known + // "Expires" value as negotiated by the most recent successful SUBSCRIBE + // transaction, or as communicated by a NOTIFY request in its + // "Subscription-State" header field "expires" parameter. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.2 + } + _super.prototype.receiveResponse.call(this, message); + }; + return ReSubscribeUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.ReSubscribeUserAgentClient = ReSubscribeUserAgentClient; + + +/***/ }), +/* 60 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(61), exports); +tslib_1.__exportStar(__webpack_require__(62), exports); +tslib_1.__exportStar(__webpack_require__(63), exports); + + +/***/ }), +/* 61 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Log levels. + * @public + */ +var Levels; +(function (Levels) { + Levels[Levels["error"] = 0] = "error"; + Levels[Levels["warn"] = 1] = "warn"; + Levels[Levels["log"] = 2] = "log"; + Levels[Levels["debug"] = 3] = "debug"; +})(Levels = exports.Levels || (exports.Levels = {})); + + +/***/ }), +/* 62 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var levels_1 = __webpack_require__(61); +var logger_1 = __webpack_require__(63); +/** + * Logger. + * @public + */ +var LoggerFactory = /** @class */ (function () { + function LoggerFactory() { + this.builtinEnabled = true; + this._level = levels_1.Levels.log; + this.loggers = {}; + this.logger = this.getLogger("sip:loggerfactory"); + } + Object.defineProperty(LoggerFactory.prototype, "level", { + get: function () { return this._level; }, + set: function (newLevel) { + if (newLevel >= 0 && newLevel <= 3) { + this._level = newLevel; + } + else if (newLevel > 3) { + this._level = 3; + } + else if (levels_1.Levels.hasOwnProperty(newLevel)) { + this._level = newLevel; + } + else { + this.logger.error("invalid 'level' parameter value: " + JSON.stringify(newLevel)); + } + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(LoggerFactory.prototype, "connector", { + get: function () { + return this._connector; + }, + set: function (value) { + if (!value) { + this._connector = undefined; + } + else if (typeof value === "function") { + this._connector = value; + } + else { + this.logger.error("invalid 'connector' parameter value: " + JSON.stringify(value)); + } + }, + enumerable: true, + configurable: true + }); + LoggerFactory.prototype.getLogger = function (category, label) { + if (label && this.level === 3) { + return new logger_1.Logger(this, category, label); + } + else if (this.loggers[category]) { + return this.loggers[category]; + } + else { + var logger = new logger_1.Logger(this, category); + this.loggers[category] = logger; + return logger; + } + }; + LoggerFactory.prototype.genericLog = function (levelToLog, category, label, content) { + if (this.level >= levelToLog) { + if (this.builtinEnabled) { + this.print(levelToLog, category, label, content); + } + } + if (this.connector) { + this.connector(levels_1.Levels[levelToLog], category, label, content); + } + }; + LoggerFactory.prototype.print = function (levelToLog, category, label, content) { + if (typeof content === "string") { + var prefix = [new Date(), category]; + if (label) { + prefix.push(label); + } + content = prefix.concat(content).join(" | "); + } + switch (levelToLog) { + case levels_1.Levels.error: + // tslint:disable-next-line:no-console + console.error(content); + break; + case levels_1.Levels.warn: + // tslint:disable-next-line:no-console + console.warn(content); + break; + case levels_1.Levels.log: + // tslint:disable-next-line:no-console + console.log(content); + break; + case levels_1.Levels.debug: + // tslint:disable-next-line:no-console + console.debug(content); + break; + default: + break; + } + }; + return LoggerFactory; +}()); +exports.LoggerFactory = LoggerFactory; + + +/***/ }), +/* 63 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var levels_1 = __webpack_require__(61); +/** + * Logger. + * @public + */ +var Logger = /** @class */ (function () { + function Logger(logger, category, label) { + this.logger = logger; + this.category = category; + this.label = label; + } + Logger.prototype.error = function (content) { this.genericLog(levels_1.Levels.error, content); }; + Logger.prototype.warn = function (content) { this.genericLog(levels_1.Levels.warn, content); }; + Logger.prototype.log = function (content) { this.genericLog(levels_1.Levels.log, content); }; + Logger.prototype.debug = function (content) { this.genericLog(levels_1.Levels.debug, content); }; + Logger.prototype.genericLog = function (level, content) { + this.logger.genericLog(level, this.category, this.label, content); + }; + return Logger; +}()); +exports.Logger = Logger; + + +/***/ }), +/* 64 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(65), exports); + + +/***/ }), +/* 65 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var messages_1 = __webpack_require__(5); +var transactions_1 = __webpack_require__(27); +var user_agents_1 = __webpack_require__(66); +var allowed_methods_1 = __webpack_require__(58); +/** + * This is ported from UA.C.ACCEPTED_BODY_TYPES. + * FIXME: TODO: Should be configurable/variable. + */ +var acceptedBodyTypes = [ + "application/sdp", + "application/dtmf-relay" +]; +/** + * User Agent Core. + * @remarks + * Core designates the functions specific to a particular type + * of SIP entity, i.e., specific to either a stateful or stateless + * proxy, a user agent or registrar. All cores, except those for + * the stateless proxy, are transaction users. + * https://tools.ietf.org/html/rfc3261#section-6 + * + * UAC Core: The set of processing functions required of a UAC that + * reside above the transaction and transport layers. + * https://tools.ietf.org/html/rfc3261#section-6 + * + * UAS Core: The set of processing functions required at a UAS that + * resides above the transaction and transport layers. + * https://tools.ietf.org/html/rfc3261#section-6 + * @public + */ +var UserAgentCore = /** @class */ (function () { + /** + * Constructor. + * @param configuration - Configuration. + * @param delegate - Delegate. + */ + function UserAgentCore(configuration, delegate) { + if (delegate === void 0) { delegate = {}; } + /** UACs. */ + this.userAgentClients = new Map(); + /** UASs. */ + this.userAgentServers = new Map(); + this.configuration = configuration; + this.delegate = delegate; + this.dialogs = new Map(); + this.subscribers = new Map(); + this.logger = configuration.loggerFactory.getLogger("sip.user-agent-core"); + } + /** Destructor. */ + UserAgentCore.prototype.dispose = function () { + this.reset(); + }; + /** Reset. */ + UserAgentCore.prototype.reset = function () { + this.dialogs.forEach(function (dialog) { return dialog.dispose(); }); + this.dialogs.clear(); + this.subscribers.forEach(function (subscriber) { return subscriber.dispose(); }); + this.subscribers.clear(); + this.userAgentClients.forEach(function (uac) { return uac.dispose(); }); + this.userAgentClients.clear(); + this.userAgentServers.forEach(function (uac) { return uac.dispose(); }); + this.userAgentServers.clear(); + }; + Object.defineProperty(UserAgentCore.prototype, "loggerFactory", { + /** Logger factory. */ + get: function () { + return this.configuration.loggerFactory; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(UserAgentCore.prototype, "transport", { + /** Transport. */ + get: function () { + var transport = this.configuration.transportAccessor(); + if (!transport) { + throw new Error("Transport undefined."); + } + return transport; + }, + enumerable: true, + configurable: true + }); + /** + * Send INVITE. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.invite = function (request, delegate) { + return new user_agents_1.InviteUserAgentClient(this, request, delegate); + }; + /** + * Send MESSAGE. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.message = function (request, delegate) { + return new user_agents_1.MessageUserAgentClient(this, request, delegate); + }; + /** + * Send PUBLISH. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.publish = function (request, delegate) { + return new user_agents_1.PublishUserAgentClient(this, request, delegate); + }; + /** + * Send REGISTER. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.register = function (request, delegate) { + return new user_agents_1.RegisterUserAgentClient(this, request, delegate); + }; + /** + * Send SUBSCRIBE. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.subscribe = function (request, delegate) { + return new user_agents_1.SubscribeUserAgentClient(this, request, delegate); + }; + /** + * Send a request. + * @param request - Outgoing request. + * @param delegate - Request delegate. + */ + UserAgentCore.prototype.request = function (request, delegate) { + return new user_agents_1.UserAgentClient(transactions_1.NonInviteClientTransaction, this, request, delegate); + }; + /** + * Outgoing request message factory function. + * @param method - Method. + * @param requestURI - Request-URI. + * @param fromURI - From URI. + * @param toURI - To URI. + * @param options - Request options. + * @param extraHeaders - Extra headers to add. + * @param body - Message body. + */ + UserAgentCore.prototype.makeOutgoingRequestMessage = function (method, requestURI, fromURI, toURI, options, extraHeaders, body) { + // default values from user agent configuration + var callIdPrefix = this.configuration.sipjsId; + var fromDisplayName = this.configuration.displayName; + var forceRport = this.configuration.viaForceRport; + var hackViaTcp = this.configuration.hackViaTcp; + var optionTags = this.configuration.supportedOptionTags.slice(); + if (method === messages_1.C.REGISTER) { + optionTags.push("path", "gruu"); + } + if (method === messages_1.C.INVITE && (this.configuration.contact.pubGruu || this.configuration.contact.tempGruu)) { + optionTags.push("gruu"); + } + var routeSet = this.configuration.routeSet; + var userAgentString = this.configuration.userAgentHeaderFieldValue; + var viaHost = this.configuration.viaHost; + var defaultOptions = { + callIdPrefix: callIdPrefix, + forceRport: forceRport, + fromDisplayName: fromDisplayName, + hackViaTcp: hackViaTcp, + optionTags: optionTags, + routeSet: routeSet, + userAgentString: userAgentString, + viaHost: viaHost, + }; + // merge provided options with default options + var requestOptions = tslib_1.__assign(tslib_1.__assign({}, defaultOptions), options); + return new messages_1.OutgoingRequestMessage(method, requestURI, fromURI, toURI, requestOptions, extraHeaders, body); + }; + /** + * Handle an incoming request message from the transport. + * @param message - Incoming request message from transport layer. + */ + UserAgentCore.prototype.receiveIncomingRequestFromTransport = function (message) { + this.receiveRequestFromTransport(message); + }; + /** + * Handle an incoming response message from the transport. + * @param message - Incoming response message from transport layer. + */ + UserAgentCore.prototype.receiveIncomingResponseFromTransport = function (message) { + this.receiveResponseFromTransport(message); + }; + /** + * A stateless UAS is a UAS that does not maintain transaction state. + * It replies to requests normally, but discards any state that would + * ordinarily be retained by a UAS after a response has been sent. If a + * stateless UAS receives a retransmission of a request, it regenerates + * the response and re-sends it, just as if it were replying to the first + * instance of the request. A UAS cannot be stateless unless the request + * processing for that method would always result in the same response + * if the requests are identical. This rules out stateless registrars, + * for example. Stateless UASs do not use a transaction layer; they + * receive requests directly from the transport layer and send responses + * directly to the transport layer. + * https://tools.ietf.org/html/rfc3261#section-8.2.7 + * @param message - Incoming request message to reply to. + * @param statusCode - Status code to reply with. + */ + UserAgentCore.prototype.replyStateless = function (message, options) { + var _this = this; + var userAgent = this.configuration.userAgentHeaderFieldValue; + var supported = this.configuration.supportedOptionTagsResponse; + options = tslib_1.__assign(tslib_1.__assign({}, options), { userAgent: userAgent, supported: supported }); + var response = messages_1.constructOutgoingResponse(message, options); + this.transport.send(response.message).catch(function (error) { + // If the transport rejects, it SHOULD reject with a TransportError. + // But the transport may be external code, so we are careful... + if (error instanceof Error) { + _this.logger.error(error.message); + } + _this.logger.error("Transport error occurred sending stateless reply to " + message.method + " request."); + // TODO: Currently there is no hook to provide notification that a transport error occurred + // and throwing would result in an uncaught error (in promise), so we siliently eat the error. + // Furthermore, silienty eating stateless reply transport errors is arguably what we want to do here. + }); + return response; + }; + /** + * In Section 18.2.1, replace the last paragraph with: + * + * Next, the server transport attempts to match the request to a + * server transaction. It does so using the matching rules described + * in Section 17.2.3. If a matching server transaction is found, the + * request is passed to that transaction for processing. If no match + * is found, the request is passed to the core, which may decide to + * construct a new server transaction for that request. + * https://tools.ietf.org/html/rfc6026#section-8.10 + * @param message - Incoming request message from transport layer. + */ + UserAgentCore.prototype.receiveRequestFromTransport = function (message) { + // When a request is received from the network by the server, it has to + // be matched to an existing transaction. This is accomplished in the + // following manner. + // + // The branch parameter in the topmost Via header field of the request + // is examined. If it is present and begins with the magic cookie + // "z9hG4bK", the request was generated by a client transaction + // compliant to this specification. Therefore, the branch parameter + // will be unique across all transactions sent by that client. The + // request matches a transaction if: + // + // 1. the branch parameter in the request is equal to the one in the + // top Via header field of the request that created the + // transaction, and + // + // 2. the sent-by value in the top Via of the request is equal to the + // one in the request that created the transaction, and + // + // 3. the method of the request matches the one that created the + // transaction, except for ACK, where the method of the request + // that created the transaction is INVITE. + // + // This matching rule applies to both INVITE and non-INVITE transactions + // alike. + // + // The sent-by value is used as part of the matching process because + // there could be accidental or malicious duplication of branch + // parameters from different clients. + // https://tools.ietf.org/html/rfc3261#section-17.2.3 + var transactionId = message.viaBranch; // FIXME: Currently only using rule 1... + var uas = this.userAgentServers.get(transactionId); + // When receiving an ACK that matches an existing INVITE server + // transaction and that does not contain a branch parameter containing + // the magic cookie defined in RFC 3261, the matching transaction MUST + // be checked to see if it is in the "Accepted" state. If it is, then + // the ACK must be passed directly to the transaction user instead of + // being absorbed by the transaction state machine. This is necessary + // as requests from RFC 2543 clients will not include a unique branch + // parameter, and the mechanisms for calculating the transaction ID from + // such a request will be the same for both INVITE and ACKs. + // https://tools.ietf.org/html/rfc6026#section-6 + // Any ACKs received from the network while in the "Accepted" state MUST be + // passed directly to the TU and not absorbed. + // https://tools.ietf.org/html/rfc6026#section-7.1 + if (message.method === messages_1.C.ACK) { + if (uas && uas.transaction.state === transactions_1.TransactionState.Accepted) { + if (uas instanceof user_agents_1.InviteUserAgentServer) { + // These are ACKs matching an INVITE server transaction. + // These should never happen with RFC 3261 compliant user agents + // (would be a broken ACK to negative final response or something) + // but is apparently how RFC 2543 user agents do things. + // We are not currently supporting this case. + // NOTE: Not backwards compatible with RFC 2543 (no support for strict-routing). + this.logger.warn("Discarding out of dialog ACK after 2xx response sent on transaction " + transactionId + "."); + return; + } + } + } + // The CANCEL method requests that the TU at the server side cancel a + // pending transaction. The TU determines the transaction to be + // cancelled by taking the CANCEL request, and then assuming that the + // request method is anything but CANCEL or ACK and applying the + // transaction matching procedures of Section 17.2.3. The matching + // transaction is the one to be cancelled. + // https://tools.ietf.org/html/rfc3261#section-9.2 + if (message.method === messages_1.C.CANCEL) { + if (uas) { + // Regardless of the method of the original request, as long as the + // CANCEL matched an existing transaction, the UAS answers the CANCEL + // request itself with a 200 (OK) response. + // https://tools.ietf.org/html/rfc3261#section-9.2 + this.replyStateless(message, { statusCode: 200 }); + // If the transaction for the original request still exists, the behavior + // of the UAS on receiving a CANCEL request depends on whether it has already + // sent a final response for the original request. If it has, the CANCEL + // request has no effect on the processing of the original request, no + // effect on any session state, and no effect on the responses generated + // for the original request. If the UAS has not issued a final response + // for the original request, its behavior depends on the method of the + // original request. If the original request was an INVITE, the UAS + // SHOULD immediately respond to the INVITE with a 487 (Request + // Terminated). + // https://tools.ietf.org/html/rfc3261#section-9.2 + if (uas.transaction instanceof transactions_1.InviteServerTransaction && + uas.transaction.state === transactions_1.TransactionState.Proceeding) { + if (uas instanceof user_agents_1.InviteUserAgentServer) { + uas.receiveCancel(message); + } + // A CANCEL request has no impact on the processing of + // transactions with any other method defined in this specification. + // https://tools.ietf.org/html/rfc3261#section-9.2 + } + } + else { + // If the UAS did not find a matching transaction for the CANCEL + // according to the procedure above, it SHOULD respond to the CANCEL + // with a 481 (Call Leg/Transaction Does Not Exist). + // https://tools.ietf.org/html/rfc3261#section-9.2 + this.replyStateless(message, { statusCode: 481 }); + } + return; + } + // If a matching server transaction is found, the request is passed to that + // transaction for processing. + // https://tools.ietf.org/html/rfc6026#section-8.10 + if (uas) { + uas.transaction.receiveRequest(message); + return; + } + // If no match is found, the request is passed to the core, which may decide to + // construct a new server transaction for that request. + // https://tools.ietf.org/html/rfc6026#section-8.10 + this.receiveRequest(message); + return; + }; + /** + * UAC and UAS procedures depend strongly on two factors. First, based + * on whether the request or response is inside or outside of a dialog, + * and second, based on the method of a request. Dialogs are discussed + * thoroughly in Section 12; they represent a peer-to-peer relationship + * between user agents and are established by specific SIP methods, such + * as INVITE. + * @param message - Incoming request message. + */ + UserAgentCore.prototype.receiveRequest = function (message) { + // 8.2 UAS Behavior + // UASs SHOULD process the requests in the order of the steps that + // follow in this section (that is, starting with authentication, then + // inspecting the method, the header fields, and so on throughout the + // remainder of this section). + // https://tools.ietf.org/html/rfc3261#section-8.2 + // 8.2.1 Method Inspection + // Once a request is authenticated (or authentication is skipped), the + // UAS MUST inspect the method of the request. If the UAS recognizes + // but does not support the method of a request, it MUST generate a 405 + // (Method Not Allowed) response. Procedures for generating responses + // are described in Section 8.2.6. The UAS MUST also add an Allow + // header field to the 405 (Method Not Allowed) response. The Allow + // header field MUST list the set of methods supported by the UAS + // generating the message. + // https://tools.ietf.org/html/rfc3261#section-8.2.1 + if (allowed_methods_1.AllowedMethods.indexOf(message.method) === -1) { + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + this.replyStateless(message, { + statusCode: 405, + extraHeaders: [allowHeader] + }); + return; + } + // 8.2.2 Header Inspection + // https://tools.ietf.org/html/rfc3261#section-8.2.2 + if (!message.ruri) { // FIXME: A request message should always have an ruri + throw new Error("Request-URI undefined."); + } + // 8.2.2.1 To and Request-URI + // If the Request-URI uses a scheme not supported by the UAS, it SHOULD + // reject the request with a 416 (Unsupported URI Scheme) response. + // https://tools.ietf.org/html/rfc3261#section-8.2.2.1 + if (message.ruri.scheme !== "sip") { + this.replyStateless(message, { statusCode: 416 }); + return; + } + // 8.2.2.1 To and Request-URI + // If the Request-URI does not identify an address that the + // UAS is willing to accept requests for, it SHOULD reject + // the request with a 404 (Not Found) response. + // https://tools.ietf.org/html/rfc3261#section-8.2.2.1 + var ruri = message.ruri; + var ruriMatches = function (uri) { + return !!uri && uri.user === ruri.user; + }; + if (!ruriMatches(this.configuration.aor) && + !(ruriMatches(this.configuration.contact.uri) || + ruriMatches(this.configuration.contact.pubGruu) || + ruriMatches(this.configuration.contact.tempGruu))) { + this.logger.warn("Request-URI does not point to us."); + if (message.method !== messages_1.C.ACK) { + this.replyStateless(message, { statusCode: 404 }); + } + return; + } + // 8.2.2.1 To and Request-URI + // Other potential sources of received Request-URIs include + // the Contact header fields of requests and responses sent by the UA + // that establish or refresh dialogs. + // https://tools.ietf.org/html/rfc3261#section-8.2.2.1 + if (message.method === messages_1.C.INVITE) { + if (!message.hasHeader("Contact")) { + this.replyStateless(message, { + statusCode: 400, + reasonPhrase: "Missing Contact Header" + }); + return; + } + } + // 8.2.2.2 Merged Requests + // If the request has no tag in the To header field, the UAS core MUST + // check the request against ongoing transactions. If the From tag, + // Call-ID, and CSeq exactly match those associated with an ongoing + // transaction, but the request does not match that transaction (based + // on the matching rules in Section 17.2.3), the UAS core SHOULD + // generate a 482 (Loop Detected) response and pass it to the server + // transaction. + // + // The same request has arrived at the UAS more than once, following + // different paths, most likely due to forking. The UAS processes + // the first such request received and responds with a 482 (Loop + // Detected) to the rest of them. + // https://tools.ietf.org/html/rfc3261#section-8.2.2.2 + if (!message.toTag) { + var transactionId = message.viaBranch; + if (!this.userAgentServers.has(transactionId)) { + var mergedRequest = Array.from(this.userAgentServers.values()) + .some(function (uas) { + return uas.transaction.request.fromTag === message.fromTag && + uas.transaction.request.callId === message.callId && + uas.transaction.request.cseq === message.cseq; + }); + if (mergedRequest) { + this.replyStateless(message, { statusCode: 482 }); + return; + } + } + } + // 8.2.2.3 Require + // https://tools.ietf.org/html/rfc3261#section-8.2.2.3 + // TODO + // 8.2.3 Content Processing + // https://tools.ietf.org/html/rfc3261#section-8.2.3 + // TODO + // 8.2.4 Applying Extensions + // https://tools.ietf.org/html/rfc3261#section-8.2.4 + // TODO + // 8.2.5 Processing the Request + // Assuming all of the checks in the previous subsections are passed, + // the UAS processing becomes method-specific. + // https://tools.ietf.org/html/rfc3261#section-8.2.5 + // The UAS will receive the request from the transaction layer. If the + // request has a tag in the To header field, the UAS core computes the + // dialog identifier corresponding to the request and compares it with + // existing dialogs. If there is a match, this is a mid-dialog request. + // In that case, the UAS first applies the same processing rules for + // requests outside of a dialog, discussed in Section 8.2. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (message.toTag) { + this.receiveInsideDialogRequest(message); + } + else { + this.receiveOutsideDialogRequest(message); + } + return; + }; + /** + * Once a dialog has been established between two UAs, either of them + * MAY initiate new transactions as needed within the dialog. The UA + * sending the request will take the UAC role for the transaction. The + * UA receiving the request will take the UAS role. Note that these may + * be different roles than the UAs held during the transaction that + * established the dialog. + * https://tools.ietf.org/html/rfc3261#section-12.2 + * @param message - Incoming request message. + */ + UserAgentCore.prototype.receiveInsideDialogRequest = function (message) { + // NOTIFY requests are matched to such SUBSCRIBE requests if they + // contain the same "Call-ID", a "To" header field "tag" parameter that + // matches the "From" header field "tag" parameter of the SUBSCRIBE + // request, and the same "Event" header field. Rules for comparisons of + // the "Event" header fields are described in Section 8.2.1. + // https://tools.ietf.org/html/rfc6665#section-4.4.1 + if (message.method === messages_1.C.NOTIFY) { + var event_1 = message.parseHeader("Event"); + if (!event_1 || !event_1.event) { + this.replyStateless(message, { statusCode: 489 }); + return; + } + // FIXME: Subscriber id should also matching on event id. + var subscriberId = message.callId + message.toTag + event_1.event; + var subscriber = this.subscribers.get(subscriberId); + if (subscriber) { + var uas = new user_agents_1.NotifyUserAgentServer(this, message); + subscriber.onNotify(uas); + return; + } + } + // Requests sent within a dialog, as any other requests, are atomic. If + // a particular request is accepted by the UAS, all the state changes + // associated with it are performed. If the request is rejected, none + // of the state changes are performed. + // + // Note that some requests, such as INVITEs, affect several pieces of + // state. + // + // The UAS will receive the request from the transaction layer. If the + // request has a tag in the To header field, the UAS core computes the + // dialog identifier corresponding to the request and compares it with + // existing dialogs. If there is a match, this is a mid-dialog request. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + var dialogId = message.callId + message.toTag + message.fromTag; + var dialog = this.dialogs.get(dialogId); + if (dialog) { + // [Sip-implementors] Reg. SIP reinvite, UPDATE and OPTIONS + // You got the question right. + // + // And you got the right answer too. :-) + // + // Thanks, + // Paul + // + // Robert Sparks wrote: + // > So I've lost track of the question during the musing. + // > + // > I _think_ the fundamental question being asked is this: + // > + // > Is an endpoint required to reject (with a 481) an OPTIONS request that + // > arrives with at to-tag but does not match any existing dialog state. + // > (Assuming some earlier requirement hasn't forced another error code). Or + // > is it OK if it just sends + // > a 200 OK anyhow. + // > + // > My take on the collection of specs is that its _not_ ok for it to send + // > the 200 OK anyhow and that it is required to send + // > the 481. I base this primarily on these sentences from 11.2 in 3261: + // > + // > The response to an OPTIONS is constructed using the standard rules + // > for a SIP response as discussed in Section 8.2.6. The response code + // > chosen MUST be the same that would have been chosen had the request + // > been an INVITE. + // > + // > Did I miss the point of the question? + // > + // > On May 15, 2008, at 12:48 PM, Paul Kyzivat wrote: + // > + // >> [Including Robert in hopes of getting his insight on this.] + // https://lists.cs.columbia.edu/pipermail/sip-implementors/2008-May/019178.html + // + // Requests that do not change in any way the state of a dialog may be + // received within a dialog (for example, an OPTIONS request). They are + // processed as if they had been received outside the dialog. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + if (message.method === messages_1.C.OPTIONS) { + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + var acceptHeader = "Accept: " + acceptedBodyTypes.toString(); + this.replyStateless(message, { + statusCode: 200, + extraHeaders: [allowHeader, acceptHeader] + }); + return; + } + // Pass the incoming request to the dialog for further handling. + dialog.receiveRequest(message); + return; + } + // The most important behaviors of a stateless UAS are the following: + // ... + // o A stateless UAS MUST ignore ACK requests. + // ... + // https://tools.ietf.org/html/rfc3261#section-8.2.7 + if (message.method === messages_1.C.ACK) { + // If a final response to an INVITE was sent statelessly, + // the corresponding ACK: + // - will not match an existing transaction + // - may have tag in the To header field + // - not not match any existing dialogs + // Absorb unmatched ACKs. + return; + } + // If the request has a tag in the To header field, but the dialog + // identifier does not match any existing dialogs, the UAS may have + // crashed and restarted, or it may have received a request for a + // different (possibly failed) UAS (the UASs can construct the To tags + // so that a UAS can identify that the tag was for a UAS for which it is + // providing recovery). Another possibility is that the incoming + // request has been simply mis-routed. Based on the To tag, the UAS MAY + // either accept or reject the request. Accepting the request for + // acceptable To tags provides robustness, so that dialogs can persist + // even through crashes. UAs wishing to support this capability must + // take into consideration some issues such as choosing monotonically + // increasing CSeq sequence numbers even across reboots, reconstructing + // the route set, and accepting out-of-range RTP timestamps and sequence + // numbers. + // + // If the UAS wishes to reject the request because it does not wish to + // recreate the dialog, it MUST respond to the request with a 481 + // (Call/Transaction Does Not Exist) status code and pass that to the + // server transaction. + // https://tools.ietf.org/html/rfc3261#section-12.2.2 + this.replyStateless(message, { statusCode: 481 }); + return; + }; + /** + * Assuming all of the checks in the previous subsections are passed, + * the UAS processing becomes method-specific. + * https://tools.ietf.org/html/rfc3261#section-8.2.5 + * @param message - Incoming request message. + */ + UserAgentCore.prototype.receiveOutsideDialogRequest = function (message) { + switch (message.method) { + case messages_1.C.ACK: + // Absorb stray out of dialog ACKs + break; + case messages_1.C.BYE: + // If the BYE does not match an existing dialog, the UAS core SHOULD + // generate a 481 (Call/Transaction Does Not Exist) response and pass + // that to the server transaction. This rule means that a BYE sent + // without tags by a UAC will be rejected. + // https://tools.ietf.org/html/rfc3261#section-15.1.2 + this.replyStateless(message, { statusCode: 481 }); + break; + case messages_1.C.CANCEL: + throw new Error("Unexpected out of dialog request method " + message.method + "."); + break; + case messages_1.C.INFO: + // Use of the INFO method does not constitute a separate dialog usage. + // INFO messages are always part of, and share the fate of, an invite + // dialog usage [RFC5057]. INFO messages cannot be sent as part of + // other dialog usages, or outside an existing dialog. + // https://tools.ietf.org/html/rfc6086#section-1 + this.replyStateless(message, { statusCode: 405 }); // Should never happen + break; + case messages_1.C.INVITE: + // https://tools.ietf.org/html/rfc3261#section-13.3.1 + { + var uas = new user_agents_1.InviteUserAgentServer(this, message); + this.delegate.onInvite ? + this.delegate.onInvite(uas) : + uas.reject(); + } + break; + case messages_1.C.MESSAGE: + // MESSAGE requests are discouraged inside a dialog. Implementations + // are restricted from creating a usage for the purpose of carrying a + // sequence of MESSAGE requests (though some implementations use it that + // way, against the standard recommendation). + // https://tools.ietf.org/html/rfc5057#section-5.3 + { + var uas = new user_agents_1.MessageUserAgentServer(this, message); + this.delegate.onMessage ? + this.delegate.onMessage(uas) : + uas.accept(); + } + break; + case messages_1.C.NOTIFY: + // Obsoleted by: RFC 6665 + // If any non-SUBSCRIBE mechanisms are defined to create subscriptions, + // it is the responsibility of the parties defining those mechanisms to + // ensure that correlation of a NOTIFY message to the corresponding + // subscription is possible. Designers of such mechanisms are also + // warned to make a distinction between sending a NOTIFY message to a + // subscriber who is aware of the subscription, and sending a NOTIFY + // message to an unsuspecting node. The latter behavior is invalid, and + // MUST receive a "481 Subscription does not exist" response (unless + // some other 400- or 500-class error code is more applicable), as + // described in section 3.2.4. In other words, knowledge of a + // subscription must exist in both the subscriber and the notifier to be + // valid, even if installed via a non-SUBSCRIBE mechanism. + // https://tools.ietf.org/html/rfc3265#section-3.2 + // + // NOTIFY requests are sent to inform subscribers of changes in state to + // which the subscriber has a subscription. Subscriptions are created + // using the SUBSCRIBE method. In legacy implementations, it is + // possible that other means of subscription creation have been used. + // However, this specification does not allow the creation of + // subscriptions except through SUBSCRIBE requests and (for backwards- + // compatibility) REFER requests [RFC3515]. + // https://tools.ietf.org/html/rfc6665#section-3.2 + { + var uas = new user_agents_1.NotifyUserAgentServer(this, message); + this.delegate.onNotify ? + this.delegate.onNotify(uas) : + uas.reject({ statusCode: 405 }); + } + break; + case messages_1.C.OPTIONS: + // https://tools.ietf.org/html/rfc3261#section-11.2 + { + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + var acceptHeader = "Accept: " + acceptedBodyTypes.toString(); + this.replyStateless(message, { + statusCode: 200, + extraHeaders: [allowHeader, acceptHeader] + }); + } + break; + case messages_1.C.REFER: + // https://tools.ietf.org/html/rfc3515#section-2.4.2 + { + var uas = new user_agents_1.ReferUserAgentServer(this, message); + this.delegate.onRefer ? + this.delegate.onRefer(uas) : + uas.reject({ statusCode: 405 }); + } + break; + case messages_1.C.REGISTER: + // https://tools.ietf.org/html/rfc3261#section-10.3 + { + var uas = new user_agents_1.RegisterUserAgentServer(this, message); + this.delegate.onRegister ? + this.delegate.onRegister(uas) : + uas.reject({ statusCode: 405 }); + } + break; + case messages_1.C.SUBSCRIBE: + // https://tools.ietf.org/html/rfc6665#section-4.2 + { + var uas = new user_agents_1.SubscribeUserAgentServer(this, message); + this.delegate.onSubscribe ? + this.delegate.onSubscribe(uas) : + uas.reject({ statusCode: 480 }); + } + break; + default: + throw new Error("Unexpected out of dialog request method " + message.method + "."); + } + return; + }; + /** + * Responses are first processed by the transport layer and then passed + * up to the transaction layer. The transaction layer performs its + * processing and then passes the response up to the TU. The majority + * of response processing in the TU is method specific. However, there + * are some general behaviors independent of the method. + * https://tools.ietf.org/html/rfc3261#section-8.1.3 + * @param message - Incoming response message from transport layer. + */ + UserAgentCore.prototype.receiveResponseFromTransport = function (message) { + // 8.1.3.1 Transaction Layer Errors + // https://tools.ietf.org/html/rfc3261#section-8.1.3.1 + // Handled by transaction layer callbacks. + // 8.1.3.2 Unrecognized Responses + // https://tools.ietf.org/html/rfc3261#section-8.1.3.1 + // TODO + // 8.1.3.3 Vias + // https://tools.ietf.org/html/rfc3261#section-8.1.3.3 + if (message.getHeaders("via").length > 1) { + this.logger.warn("More than one Via header field present in the response, dropping"); + return; + } + // 8.1.3.4 Processing 3xx Responses + // https://tools.ietf.org/html/rfc3261#section-8.1.3.4 + // TODO + // 8.1.3.5 Processing 4xx Responses + // https://tools.ietf.org/html/rfc3261#section-8.1.3.5 + // TODO + // When the transport layer in the client receives a response, it has to + // determine which client transaction will handle the response, so that + // the processing of Sections 17.1.1 and 17.1.2 can take place. The + // branch parameter in the top Via header field is used for this + // purpose. A response matches a client transaction under two + // conditions: + // + // 1. If the response has the same value of the branch parameter in + // the top Via header field as the branch parameter in the top + // Via header field of the request that created the transaction. + // + // 2. If the method parameter in the CSeq header field matches the + // method of the request that created the transaction. The + // method is needed since a CANCEL request constitutes a + // different transaction, but shares the same value of the branch + // parameter. + // https://tools.ietf.org/html/rfc3261#section-17.1.3 + var userAgentClientId = message.viaBranch + message.method; + var userAgentClient = this.userAgentClients.get(userAgentClientId); + // The client transport uses the matching procedures of Section + // 17.1.3 to attempt to match the response to an existing + // transaction. If there is a match, the response MUST be passed to + // that transaction. Otherwise, any element other than a stateless + // proxy MUST silently discard the response. + // https://tools.ietf.org/html/rfc6026#section-8.9 + if (userAgentClient) { + userAgentClient.transaction.receiveResponse(message); + } + else { + this.logger.warn("Discarding unmatched " + message.statusCode + " response to " + message.method + " " + userAgentClientId + "."); + } + }; + return UserAgentCore; +}()); +exports.UserAgentCore = UserAgentCore; + + +/***/ }), +/* 66 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +tslib_1.__exportStar(__webpack_require__(41), exports); +tslib_1.__exportStar(__webpack_require__(43), exports); +tslib_1.__exportStar(__webpack_require__(67), exports); +tslib_1.__exportStar(__webpack_require__(45), exports); +tslib_1.__exportStar(__webpack_require__(46), exports); +tslib_1.__exportStar(__webpack_require__(68), exports); +tslib_1.__exportStar(__webpack_require__(69), exports); +tslib_1.__exportStar(__webpack_require__(70), exports); +tslib_1.__exportStar(__webpack_require__(71), exports); +tslib_1.__exportStar(__webpack_require__(47), exports); +tslib_1.__exportStar(__webpack_require__(48), exports); +tslib_1.__exportStar(__webpack_require__(72), exports); +tslib_1.__exportStar(__webpack_require__(49), exports); +tslib_1.__exportStar(__webpack_require__(50), exports); +tslib_1.__exportStar(__webpack_require__(51), exports); +tslib_1.__exportStar(__webpack_require__(52), exports); +tslib_1.__exportStar(__webpack_require__(59), exports); +tslib_1.__exportStar(__webpack_require__(73), exports); +tslib_1.__exportStar(__webpack_require__(53), exports); +tslib_1.__exportStar(__webpack_require__(54), exports); +tslib_1.__exportStar(__webpack_require__(74), exports); +tslib_1.__exportStar(__webpack_require__(75), exports); +tslib_1.__exportStar(__webpack_require__(76), exports); +tslib_1.__exportStar(__webpack_require__(77), exports); +tslib_1.__exportStar(__webpack_require__(42), exports); +tslib_1.__exportStar(__webpack_require__(44), exports); + + +/***/ }), +/* 67 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * CANCEL UAC. + * @public + */ +var CancelUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(CancelUserAgentClient, _super); + function CancelUserAgentClient(core, message, delegate) { + return _super.call(this, transactions_1.NonInviteClientTransaction, core, message, delegate) || this; + } + return CancelUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.CancelUserAgentClient = CancelUserAgentClient; + + +/***/ }), +/* 68 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var dialogs_1 = __webpack_require__(3); +var session_1 = __webpack_require__(24); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * INVITE UAC. + * @remarks + * 13 Initiating a Session + * https://tools.ietf.org/html/rfc3261#section-13 + * 13.1 Overview + * https://tools.ietf.org/html/rfc3261#section-13.1 + * 13.2 UAC Processing + * https://tools.ietf.org/html/rfc3261#section-13.2 + * @public + */ +var InviteUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(InviteUserAgentClient, _super); + function InviteUserAgentClient(core, message, delegate) { + var _this = _super.call(this, transactions_1.InviteClientTransaction, core, message, delegate) || this; + _this.confirmedDialogAcks = new Map(); + _this.confirmedDialogs = new Map(); + _this.earlyDialogs = new Map(); + _this.delegate = delegate; + return _this; + } + InviteUserAgentClient.prototype.dispose = function () { + // The UAC core considers the INVITE transaction completed 64*T1 seconds + // after the reception of the first 2xx response. At this point all the + // early dialogs that have not transitioned to established dialogs are + // terminated. Once the INVITE transaction is considered completed by + // the UAC core, no more new 2xx responses are expected to arrive. + // + // If, after acknowledging any 2xx response to an INVITE, the UAC does + // not want to continue with that dialog, then the UAC MUST terminate + // the dialog by sending a BYE request as described in Section 15. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + this.earlyDialogs.forEach(function (earlyDialog) { return earlyDialog.dispose(); }); + this.earlyDialogs.clear(); + _super.prototype.dispose.call(this); + }; + /** + * Special case for transport error while sending ACK. + * @param error - Transport error + */ + InviteUserAgentClient.prototype.onTransportError = function (error) { + if (this.transaction.state === transactions_1.TransactionState.Calling) { + return _super.prototype.onTransportError.call(this, error); + } + // If not in 'calling' state, the transport error occurred while sending an ACK. + this.logger.error(error.message); + this.logger.error("User agent client request transport error while sending ACK."); + }; + /** + * Once the INVITE has been passed to the INVITE client transaction, the + * UAC waits for responses for the INVITE. + * https://tools.ietf.org/html/rfc3261#section-13.2.2 + * @param incomingResponse - Incoming response to INVITE request. + */ + InviteUserAgentClient.prototype.receiveResponse = function (message) { + var _this = this; + if (!this.authenticationGuard(message)) { + return; + } + var statusCode = message.statusCode ? message.statusCode.toString() : ""; + if (!statusCode) { + throw new Error("Response status code undefined."); + } + switch (true) { + case /^100$/.test(statusCode): + if (this.delegate && this.delegate.onTrying) { + this.delegate.onTrying({ message: message }); + } + return; + case /^1[0-9]{2}$/.test(statusCode): + // Zero, one or multiple provisional responses may arrive before one or + // more final responses are received. Provisional responses for an + // INVITE request can create "early dialogs". If a provisional response + // has a tag in the To field, and if the dialog ID of the response does + // not match an existing dialog, one is constructed using the procedures + // defined in Section 12.1.2. + // + // The early dialog will only be needed if the UAC needs to send a + // request to its peer within the dialog before the initial INVITE + // transaction completes. Header fields present in a provisional + // response are applicable as long as the dialog is in the early state + // (for example, an Allow header field in a provisional response + // contains the methods that can be used in the dialog while this is in + // the early state). + // https://tools.ietf.org/html/rfc3261#section-13.2.2.1 + { + // Provisional without to tag, no dialog to create. + if (!message.toTag) { + this.logger.warn("Non-100 1xx INVITE response received without a to tag, dropping."); + return; + } + // Compute dialog state. + var dialogState = dialogs_1.Dialog.initialDialogStateForUserAgentClient(this.message, message); + // Have existing early dialog or create a new one. + var earlyDialog = this.earlyDialogs.get(dialogState.id); + if (!earlyDialog) { + var transaction = this.transaction; + if (!(transaction instanceof transactions_1.InviteClientTransaction)) { + throw new Error("Transaction not instance of InviteClientTransaction."); + } + earlyDialog = new dialogs_1.SessionDialog(transaction, this.core, dialogState); + this.earlyDialogs.set(earlyDialog.id, earlyDialog); + } + // Guard against out of order reliable provisional responses. + // Note that this is where the rseq tracking is done. + if (!earlyDialog.reliableSequenceGuard(message)) { + this.logger.warn("1xx INVITE reliable response received out of order, dropping."); + return; + } + // If the initial offer is in an INVITE, the answer MUST be in a + // reliable non-failure message from UAS back to UAC which is + // correlated to that INVITE. For this specification, that is + // only the final 2xx response to that INVITE. That same exact + // answer MAY also be placed in any provisional responses sent + // prior to the answer. The UAC MUST treat the first session + // description it receives as the answer, and MUST ignore any + // session descriptions in subsequent responses to the initial + // INVITE. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + if (earlyDialog.signalingState === session_1.SignalingState.Initial || + earlyDialog.signalingState === session_1.SignalingState.HaveLocalOffer) { + earlyDialog.signalingStateTransition(message); + } + // Pass response to delegate. + var session_2 = earlyDialog; + if (this.delegate && this.delegate.onProgress) { + this.delegate.onProgress({ + message: message, + session: session_2, + prack: function (options) { + var outgoingPrackRequest = session_2.prack(undefined, options); + return outgoingPrackRequest; + } + }); + } + } + return; + case /^2[0-9]{2}$/.test(statusCode): + // Multiple 2xx responses may arrive at the UAC for a single INVITE + // request due to a forking proxy. Each response is distinguished by + // the tag parameter in the To header field, and each represents a + // distinct dialog, with a distinct dialog identifier. + // + // If the dialog identifier in the 2xx response matches the dialog + // identifier of an existing dialog, the dialog MUST be transitioned to + // the "confirmed" state, and the route set for the dialog MUST be + // recomputed based on the 2xx response using the procedures of Section + // 12.2.1.2. Otherwise, a new dialog in the "confirmed" state MUST be + // constructed using the procedures of Section 12.1.2. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + { + // Compute dialog state. + var dialogState = dialogs_1.Dialog.initialDialogStateForUserAgentClient(this.message, message); + // NOTE: Currently our transaction layer is caching the 2xx ACKs and + // handling retransmissions of the ACK which is an approach which is + // not to spec. In any event, this block is intended to provide a to + // spec implementation of ACK retransmissions, but it should not be + // hit currently. + var dialog = this.confirmedDialogs.get(dialogState.id); + if (dialog) { + // Once the ACK has been constructed, the procedures of [4] are used to + // determine the destination address, port and transport. However, the + // request is passed to the transport layer directly for transmission, + // rather than a client transaction. This is because the UAC core + // handles retransmissions of the ACK, not the transaction layer. The + // ACK MUST be passed to the client transport every time a + // retransmission of the 2xx final response that triggered the ACK + // arrives. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + var outgoingAckRequest = this.confirmedDialogAcks.get(dialogState.id); + if (outgoingAckRequest) { + var transaction = this.transaction; + if (!(transaction instanceof transactions_1.InviteClientTransaction)) { + throw new Error("Client transaction not instance of InviteClientTransaction."); + } + transaction.ackResponse(outgoingAckRequest.message); + } + else { + // If still waiting for an ACK, drop the retransmission of the 2xx final response. + } + return; + } + // If the dialog identifier in the 2xx response matches the dialog + // identifier of an existing dialog, the dialog MUST be transitioned to + // the "confirmed" state, and the route set for the dialog MUST be + // recomputed based on the 2xx response using the procedures of Section + // 12.2.1.2. Otherwise, a new dialog in the "confirmed" state MUST be + // constructed using the procedures of Section 12.1.2. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + dialog = this.earlyDialogs.get(dialogState.id); + if (dialog) { + dialog.confirm(); + dialog.recomputeRouteSet(message); + this.earlyDialogs.delete(dialog.id); + this.confirmedDialogs.set(dialog.id, dialog); + } + else { + var transaction = this.transaction; + if (!(transaction instanceof transactions_1.InviteClientTransaction)) { + throw new Error("Transaction not instance of InviteClientTransaction."); + } + dialog = new dialogs_1.SessionDialog(transaction, this.core, dialogState); + this.confirmedDialogs.set(dialog.id, dialog); + } + // If the initial offer is in an INVITE, the answer MUST be in a + // reliable non-failure message from UAS back to UAC which is + // correlated to that INVITE. For this specification, that is + // only the final 2xx response to that INVITE. That same exact + // answer MAY also be placed in any provisional responses sent + // prior to the answer. The UAC MUST treat the first session + // description it receives as the answer, and MUST ignore any + // session descriptions in subsequent responses to the initial + // INVITE. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + if (dialog.signalingState === session_1.SignalingState.Initial || + dialog.signalingState === session_1.SignalingState.HaveLocalOffer) { + dialog.signalingStateTransition(message); + } + // Session Initiated! :) + var session_3 = dialog; + // The UAC core MUST generate an ACK request for each 2xx received from + // the transaction layer. The header fields of the ACK are constructed + // in the same way as for any request sent within a dialog (see Section + // 12) with the exception of the CSeq and the header fields related to + // authentication. The sequence number of the CSeq header field MUST be + // the same as the INVITE being acknowledged, but the CSeq method MUST + // be ACK. The ACK MUST contain the same credentials as the INVITE. If + // the 2xx contains an offer (based on the rules above), the ACK MUST + // carry an answer in its body. If the offer in the 2xx response is not + // acceptable, the UAC core MUST generate a valid answer in the ACK and + // then send a BYE immediately. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.4 + if (this.delegate && this.delegate.onAccept) { + this.delegate.onAccept({ + message: message, + session: session_3, + ack: function (options) { + var outgoingAckRequest = session_3.ack(options); + _this.confirmedDialogAcks.set(session_3.id, outgoingAckRequest); + return outgoingAckRequest; + } + }); + } + else { + var outgoingAckRequest = session_3.ack(); + this.confirmedDialogAcks.set(session_3.id, outgoingAckRequest); + } + } + return; + case /^3[0-9]{2}$/.test(statusCode): + // 12.3 Termination of a Dialog + // + // Independent of the method, if a request outside of a dialog generates + // a non-2xx final response, any early dialogs created through + // provisional responses to that request are terminated. The mechanism + // for terminating confirmed dialogs is method specific. In this + // specification, the BYE method terminates a session and the dialog + // associated with it. See Section 15 for details. + // https://tools.ietf.org/html/rfc3261#section-12.3 + // All early dialogs are considered terminated upon reception of the + // non-2xx final response. + // + // After having received the non-2xx final response the UAC core + // considers the INVITE transaction completed. The INVITE client + // transaction handles the generation of ACKs for the response (see + // Section 17). + // https://tools.ietf.org/html/rfc3261#section-13.2.2.3 + this.earlyDialogs.forEach(function (earlyDialog) { return earlyDialog.dispose(); }); + this.earlyDialogs.clear(); + // A 3xx response may contain one or more Contact header field values + // providing new addresses where the callee might be reachable. + // Depending on the status code of the 3xx response (see Section 21.3), + // the UAC MAY choose to try those new addresses. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.2 + if (this.delegate && this.delegate.onRedirect) { + this.delegate.onRedirect({ message: message }); + } + return; + case /^[4-6][0-9]{2}$/.test(statusCode): + // 12.3 Termination of a Dialog + // + // Independent of the method, if a request outside of a dialog generates + // a non-2xx final response, any early dialogs created through + // provisional responses to that request are terminated. The mechanism + // for terminating confirmed dialogs is method specific. In this + // specification, the BYE method terminates a session and the dialog + // associated with it. See Section 15 for details. + // https://tools.ietf.org/html/rfc3261#section-12.3 + // All early dialogs are considered terminated upon reception of the + // non-2xx final response. + // + // After having received the non-2xx final response the UAC core + // considers the INVITE transaction completed. The INVITE client + // transaction handles the generation of ACKs for the response (see + // Section 17). + // https://tools.ietf.org/html/rfc3261#section-13.2.2.3 + this.earlyDialogs.forEach(function (earlyDialog) { return earlyDialog.dispose(); }); + this.earlyDialogs.clear(); + // A single non-2xx final response may be received for the INVITE. 4xx, + // 5xx and 6xx responses may contain a Contact header field value + // indicating the location where additional information about the error + // can be found. Subsequent final responses (which would only arrive + // under error conditions) MUST be ignored. + // https://tools.ietf.org/html/rfc3261#section-13.2.2.3 + if (this.delegate && this.delegate.onReject) { + this.delegate.onReject({ message: message }); + } + return; + default: + throw new Error("Invalid status code " + statusCode); + } + throw new Error("Executing what should be an unreachable code path receiving " + statusCode + " response."); + }; + return InviteUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.InviteUserAgentClient = InviteUserAgentClient; + + +/***/ }), +/* 69 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var dialogs_1 = __webpack_require__(3); +var exceptions_1 = __webpack_require__(31); +var session_1 = __webpack_require__(24); +var transactions_1 = __webpack_require__(27); +var allowed_methods_1 = __webpack_require__(58); +var user_agent_server_1 = __webpack_require__(44); +/** + * INVITE UAS. + * @remarks + * 13 Initiating a Session + * https://tools.ietf.org/html/rfc3261#section-13 + * 13.1 Overview + * https://tools.ietf.org/html/rfc3261#section-13.1 + * 13.3 UAS Processing + * https://tools.ietf.org/html/rfc3261#section-13.3 + * @public + */ +var InviteUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(InviteUserAgentServer, _super); + function InviteUserAgentServer(core, message, delegate) { + var _this = _super.call(this, transactions_1.InviteServerTransaction, core, message, delegate) || this; + _this.core = core; + return _this; + } + InviteUserAgentServer.prototype.dispose = function () { + if (this.earlyDialog) { + this.earlyDialog.dispose(); + } + _super.prototype.dispose.call(this); + }; + /** + * 13.3.1.4 The INVITE is Accepted + * The UAS core generates a 2xx response. This response establishes a + * dialog, and therefore follows the procedures of Section 12.1.1 in + * addition to those of Section 8.2.6. + * https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + * @param options - Accept options bucket. + */ + InviteUserAgentServer.prototype.accept = function (options) { + if (options === void 0) { options = { statusCode: 200 }; } + if (!this.acceptable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not acceptable in state " + this.transaction.state + "."); + } + // This response establishes a dialog... + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + if (!this.confirmedDialog) { + if (this.earlyDialog) { + this.earlyDialog.confirm(); + this.confirmedDialog = this.earlyDialog; + this.earlyDialog = undefined; + } + else { + var transaction = this.transaction; + if (!(transaction instanceof transactions_1.InviteServerTransaction)) { + throw new Error("Transaction not instance of InviteClientTransaction."); + } + var state = dialogs_1.Dialog.initialDialogStateForUserAgentServer(this.message, this.toTag); + this.confirmedDialog = new dialogs_1.SessionDialog(transaction, this.core, state); + } + } + // When a UAS responds to a request with a response that establishes a + // dialog (such as a 2xx to INVITE), the UAS MUST copy all Record-Route + // header field values from the request into the response (including the + // URIs, URI parameters, and any Record-Route header field parameters, + // whether they are known or unknown to the UAS) and MUST maintain the + // order of those values. The UAS MUST add a Contact header field to + // the response. The Contact header field contains an address where the + // UAS would like to be contacted for subsequent requests in the dialog + // (which includes the ACK for a 2xx response in the case of an INVITE). + // Generally, the host portion of this URI is the IP address or FQDN of + // the host. The URI provided in the Contact header field MUST be a SIP + // or SIPS URI. If the request that initiated the dialog contained a + // SIPS URI in the Request-URI or in the top Record-Route header field + // value, if there was any, or the Contact header field if there was no + // Record-Route header field, the Contact header field in the response + // MUST be a SIPS URI. The URI SHOULD have global scope (that is, the + // same URI can be used in messages outside this dialog). The same way, + // the scope of the URI in the Contact header field of the INVITE is not + // limited to this dialog either. It can therefore be used in messages + // to the UAC even outside this dialog. + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var recordRouteHeader = this.message + .getHeaders("record-route") + .map(function (header) { return "Record-Route: " + header; }); + var contactHeader = "Contact: " + this.core.configuration.contact.toString(); + // A 2xx response to an INVITE SHOULD contain the Allow header field and + // the Supported header field, and MAY contain the Accept header field. + // Including these header fields allows the UAC to determine the + // features and extensions supported by the UAS for the duration of the + // call, without probing. + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + // FIXME: TODO: This should not be hard coded. + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + // FIXME: TODO: Supported header (see reply()) + // FIXME: TODO: Accept header + // If the INVITE request contained an offer, and the UAS had not yet + // sent an answer, the 2xx MUST contain an answer. If the INVITE did + // not contain an offer, the 2xx MUST contain an offer if the UAS had + // not yet sent an offer. + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + if (!options.body) { + if (this.confirmedDialog.signalingState === session_1.SignalingState.Stable) { + options.body = this.confirmedDialog.answer; // resend the answer sent in provisional response + } + else if (this.confirmedDialog.signalingState === session_1.SignalingState.Initial || + this.confirmedDialog.signalingState === session_1.SignalingState.HaveRemoteOffer) { + throw new Error("Response must have a body."); + } + } + options.statusCode = options.statusCode || 200; + options.extraHeaders = options.extraHeaders || []; + options.extraHeaders = options.extraHeaders.concat(recordRouteHeader); + options.extraHeaders.push(allowHeader); + options.extraHeaders.push(contactHeader); + var response = _super.prototype.accept.call(this, options); + var session = this.confirmedDialog; + var result = tslib_1.__assign(tslib_1.__assign({}, response), { session: session }); + // Update dialog signaling state + if (options.body) { + // Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + if (this.confirmedDialog.signalingState !== session_1.SignalingState.Stable) { + this.confirmedDialog.signalingStateTransition(options.body); + } + } + return result; + }; + /** + * 13.3.1.1 Progress + * If the UAS is not able to answer the invitation immediately, it can + * choose to indicate some kind of progress to the UAC (for example, an + * indication that a phone is ringing). This is accomplished with a + * provisional response between 101 and 199. These provisional + * responses establish early dialogs and therefore follow the procedures + * of Section 12.1.1 in addition to those of Section 8.2.6. A UAS MAY + * send as many provisional responses as it likes. Each of these MUST + * indicate the same dialog ID. However, these will not be delivered + * reliably. + * + * If the UAS desires an extended period of time to answer the INVITE, + * it will need to ask for an "extension" in order to prevent proxies + * from canceling the transaction. A proxy has the option of canceling + * a transaction when there is a gap of 3 minutes between responses in a + * transaction. To prevent cancellation, the UAS MUST send a non-100 + * provisional response at every minute, to handle the possibility of + * lost provisional responses. + * https://tools.ietf.org/html/rfc3261#section-13.3.1.1 + * @param options - Progress options bucket. + */ + InviteUserAgentServer.prototype.progress = function (options) { + if (options === void 0) { options = { statusCode: 180 }; } + if (!this.progressable) { + throw new exceptions_1.TransactionStateError(this.message.method + " not progressable in state " + this.transaction.state + "."); + } + // This response establishes a dialog... + // https://tools.ietf.org/html/rfc3261#section-13.3.1.4 + if (!this.earlyDialog) { + var transaction = this.transaction; + if (!(transaction instanceof transactions_1.InviteServerTransaction)) { + throw new Error("Transaction not instance of InviteClientTransaction."); + } + var state = dialogs_1.Dialog.initialDialogStateForUserAgentServer(this.message, this.toTag, true); + this.earlyDialog = new dialogs_1.SessionDialog(transaction, this.core, state); + } + // When a UAS responds to a request with a response that establishes a + // dialog (such as a 2xx to INVITE), the UAS MUST copy all Record-Route + // header field values from the request into the response (including the + // URIs, URI parameters, and any Record-Route header field parameters, + // whether they are known or unknown to the UAS) and MUST maintain the + // order of those values. The UAS MUST add a Contact header field to + // the response. The Contact header field contains an address where the + // UAS would like to be contacted for subsequent requests in the dialog + // (which includes the ACK for a 2xx response in the case of an INVITE). + // Generally, the host portion of this URI is the IP address or FQDN of + // the host. The URI provided in the Contact header field MUST be a SIP + // or SIPS URI. If the request that initiated the dialog contained a + // SIPS URI in the Request-URI or in the top Record-Route header field + // value, if there was any, or the Contact header field if there was no + // Record-Route header field, the Contact header field in the response + // MUST be a SIPS URI. The URI SHOULD have global scope (that is, the + // same URI can be used in messages outside this dialog). The same way, + // the scope of the URI in the Contact header field of the INVITE is not + // limited to this dialog either. It can therefore be used in messages + // to the UAC even outside this dialog. + // https://tools.ietf.org/html/rfc3261#section-12.1.1 + var recordRouteHeader = this.message + .getHeaders("record-route") + .map(function (header) { return "Record-Route: " + header; }); + var contactHeader = "Contact: " + this.core.configuration.contact; + options.extraHeaders = options.extraHeaders || []; + options.extraHeaders = options.extraHeaders.concat(recordRouteHeader); + options.extraHeaders.push(contactHeader); + var response = _super.prototype.progress.call(this, options); + var session = this.earlyDialog; + var result = tslib_1.__assign(tslib_1.__assign({}, response), { session: session }); + // Update dialog signaling state + if (options.body) { + // Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + if (this.earlyDialog.signalingState !== session_1.SignalingState.Stable) { + this.earlyDialog.signalingStateTransition(options.body); + } + } + return result; + }; + /** + * 13.3.1.2 The INVITE is Redirected + * If the UAS decides to redirect the call, a 3xx response is sent. A + * 300 (Multiple Choices), 301 (Moved Permanently) or 302 (Moved + * Temporarily) response SHOULD contain a Contact header field + * containing one or more URIs of new addresses to be tried. The + * response is passed to the INVITE server transaction, which will deal + * with its retransmissions. + * https://tools.ietf.org/html/rfc3261#section-13.3.1.2 + * @param contacts - Contacts to redirect to. + * @param options - Redirect options bucket. + */ + InviteUserAgentServer.prototype.redirect = function (contacts, options) { + if (options === void 0) { options = { statusCode: 302 }; } + return _super.prototype.redirect.call(this, contacts, options); + }; + /** + * 13.3.1.3 The INVITE is Rejected + * A common scenario occurs when the callee is currently not willing or + * able to take additional calls at this end system. A 486 (Busy Here) + * SHOULD be returned in such a scenario. + * https://tools.ietf.org/html/rfc3261#section-13.3.1.3 + * @param options - Reject options bucket. + */ + InviteUserAgentServer.prototype.reject = function (options) { + if (options === void 0) { options = { statusCode: 486 }; } + return _super.prototype.reject.call(this, options); + }; + return InviteUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.InviteUserAgentServer = InviteUserAgentServer; + + +/***/ }), +/* 70 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * MESSAGE UAS. + * @public + */ +var MessageUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(MessageUserAgentClient, _super); + function MessageUserAgentClient(core, message, delegate) { + return _super.call(this, transactions_1.NonInviteClientTransaction, core, message, delegate) || this; + } + return MessageUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.MessageUserAgentClient = MessageUserAgentClient; + + +/***/ }), +/* 71 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * MESSAGE UAS. + * @public + */ +var MessageUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(MessageUserAgentServer, _super); + function MessageUserAgentServer(core, message, delegate) { + var _this = _super.call(this, transactions_1.NonInviteServerTransaction, core, message, delegate) || this; + _this.core = core; + return _this; + } + return MessageUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.MessageUserAgentServer = MessageUserAgentServer; + + +/***/ }), +/* 72 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * PUBLISH UAC. + * @public + */ +var PublishUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(PublishUserAgentClient, _super); + function PublishUserAgentClient(core, message, delegate) { + return _super.call(this, transactions_1.NonInviteClientTransaction, core, message, delegate) || this; + } + return PublishUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.PublishUserAgentClient = PublishUserAgentClient; + + +/***/ }), +/* 73 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * Re-SUBSCRIBE UAS. + * @public + */ +var ReSubscribeUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(ReSubscribeUserAgentServer, _super); + function ReSubscribeUserAgentServer(dialog, message, delegate) { + return _super.call(this, transactions_1.NonInviteServerTransaction, dialog.userAgentCore, message, delegate) || this; + } + return ReSubscribeUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.ReSubscribeUserAgentServer = ReSubscribeUserAgentServer; + + +/***/ }), +/* 74 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * REGISTER UAC. + * @public + */ +var RegisterUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(RegisterUserAgentClient, _super); + function RegisterUserAgentClient(core, message, delegate) { + return _super.call(this, transactions_1.NonInviteClientTransaction, core, message, delegate) || this; + } + return RegisterUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.RegisterUserAgentClient = RegisterUserAgentClient; + + +/***/ }), +/* 75 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * REGISTER UAS. + * @public + */ +var RegisterUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(RegisterUserAgentServer, _super); + function RegisterUserAgentServer(core, message, delegate) { + var _this = _super.call(this, transactions_1.NonInviteServerTransaction, core, message, delegate) || this; + _this.core = core; + return _this; + } + return RegisterUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.RegisterUserAgentServer = RegisterUserAgentServer; + + +/***/ }), +/* 76 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var subscription_dialog_1 = __webpack_require__(55); +var subscription_1 = __webpack_require__(56); +var timers_1 = __webpack_require__(26); +var transactions_1 = __webpack_require__(27); +var user_agent_client_1 = __webpack_require__(42); +/** + * SUBSCRIBE UAC. + * @remarks + * 4.1. Subscriber Behavior + * https://tools.ietf.org/html/rfc6665#section-4.1 + * + * User agent client for installation of a single subscription per SUBSCRIBE request. + * TODO: Support for installation of multiple subscriptions on forked SUBSCRIBE reqeuests. + * @public + */ +var SubscribeUserAgentClient = /** @class */ (function (_super) { + tslib_1.__extends(SubscribeUserAgentClient, _super); + function SubscribeUserAgentClient(core, message, delegate) { + var _this = this; + // Get event from request message. + var event = message.getHeader("Event"); + if (!event) { + throw new Error("Event undefined"); + } + // Get expires from reqeust message. + var expires = message.getHeader("Expires"); + if (!expires) { + throw new Error("Expires undefined"); + } + _this = _super.call(this, transactions_1.NonInviteClientTransaction, core, message, delegate) || this; + _this.delegate = delegate; + // FIXME: Subscriber id should also be matching on event id. + _this.subscriberId = message.callId + message.fromTag + event; + _this.subscriptionExpiresRequested = _this.subscriptionExpires = Number(expires); + _this.subscriptionEvent = event; + _this.subscriptionState = subscription_1.SubscriptionState.NotifyWait; + // Start waiting for a NOTIFY we can use to create a subscription. + _this.waitNotifyStart(); + return _this; + } + /** + * Destructor. + * Note that Timer N may live on waiting for an initial NOTIFY and + * the delegate may still receive that NOTIFY. If you don't want + * that behavior then either clear the delegate so the delegate + * doesn't get called (a 200 will be sent in response to the NOTIFY) + * or call `waitNotifyStop` which will clear Timer N and remove this + * UAC from the core (a 481 will be sent in response to the NOTIFY). + */ + SubscribeUserAgentClient.prototype.dispose = function () { + _super.prototype.dispose.call(this); + }; + /** + * Handle out of dialog NOTIFY assoicated with SUBSCRIBE request. + * This is the first NOTIFY received after the SUBSCRIBE request. + * @param uas - User agent server handling the subscription creating NOTIFY. + */ + SubscribeUserAgentClient.prototype.onNotify = function (uas) { + // NOTIFY requests are matched to such SUBSCRIBE requests if they + // contain the same "Call-ID", a "To" header field "tag" parameter that + // matches the "From" header field "tag" parameter of the SUBSCRIBE + // request, and the same "Event" header field. Rules for comparisons of + // the "Event" header fields are described in Section 8.2.1. + // https://tools.ietf.org/html/rfc6665#section-4.4.1 + var event = uas.message.parseHeader("Event").event; + if (!event || event !== this.subscriptionEvent) { + this.logger.warn("Failed to parse event."); + uas.reject({ statusCode: 489 }); + return; + } + // NOTIFY requests MUST contain "Subscription-State" header fields that + // indicate the status of the subscription. + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + var subscriptionState = uas.message.parseHeader("Subscription-State"); + if (!subscriptionState || !subscriptionState.state) { + this.logger.warn("Failed to parse subscription state."); + uas.reject({ statusCode: 489 }); + return; + } + // Validate subscription state. + var state = subscriptionState.state; + switch (state) { + case "pending": + break; + case "active": + break; + case "terminated": + break; + default: + this.logger.warn("Invalid subscription state " + state); + uas.reject({ statusCode: 489 }); + return; + } + // Dialogs usages are created upon completion of a NOTIFY transaction + // for a new subscription, unless the NOTIFY request contains a + // "Subscription-State" of "terminated." + // https://tools.ietf.org/html/rfc6665#section-4.4.1 + if (state !== "terminated") { + // The Contact header field MUST be present and contain exactly one SIP + // or SIPS URI in any request that can result in the establishment of a + // dialog. + // https://tools.ietf.org/html/rfc3261#section-8.1.1.8 + var contact = uas.message.parseHeader("contact"); + if (!contact) { + this.logger.warn("Failed to parse contact."); + uas.reject({ statusCode: 489 }); + return; + } + } + // In accordance with the rules for proxying non-INVITE requests as + // defined in [RFC3261], successful SUBSCRIBE requests will receive only + // one 200-class response; however, due to forking, the subscription may + // have been accepted by multiple nodes. The subscriber MUST therefore + // be prepared to receive NOTIFY requests with "From:" tags that differ + // from the "To:" tag received in the SUBSCRIBE 200-class response. + // + // If multiple NOTIFY requests are received in different dialogs in + // response to a single SUBSCRIBE request, each dialog represents a + // different destination to which the SUBSCRIBE request was forked. + // Subscriber handling in such situations varies by event package; see + // Section 5.4.9 for details. + // https://tools.ietf.org/html/rfc6665#section-4.1.4 + // Each event package MUST specify whether forked SUBSCRIBE requests are + // allowed to install multiple subscriptions. + // + // If such behavior is not allowed, the first potential dialog- + // establishing message will create a dialog. All subsequent NOTIFY + // requests that correspond to the SUBSCRIBE request (i.e., have + // matching "To", "From", "Call-ID", and "Event" header fields, as well + // as "From" header field "tag" parameter and "Event" header field "id" + // parameter) but that do not match the dialog would be rejected with a + // 481 response. Note that the 200-class response to the SUBSCRIBE + // request can arrive after a matching NOTIFY request has been received; + // such responses might not correlate to the same dialog established by + // the NOTIFY request. Except as required to complete the SUBSCRIBE + // transaction, such non-matching 200-class responses are ignored. + // + // If installing of multiple subscriptions by way of a single forked + // SUBSCRIBE request is allowed, the subscriber establishes a new dialog + // towards each notifier by returning a 200-class response to each + // NOTIFY request. Each dialog is then handled as its own entity and is + // refreshed independently of the other dialogs. + // + // In the case that multiple subscriptions are allowed, the event + // package MUST specify whether merging of the notifications to form a + // single state is required, and how such merging is to be performed. + // Note that it is possible that some event packages may be defined in + // such a way that each dialog is tied to a mutually exclusive state + // that is unaffected by the other dialogs; this MUST be clearly stated + // if it is the case. + // https://tools.ietf.org/html/rfc6665#section-5.4.9 + // *** NOTE: This implementation is only for event packages which + // do not allow forked requests to install muliple subscriptions. + // As such and in accordance with the specificaiton, we stop waiting + // and any future NOTIFY requests will be rejected with a 481. + if (this.dialog) { + throw new Error("Dialog already created. This implementation only supports install of single subscriptions."); + } + this.waitNotifyStop(); + // Update expires. + this.subscriptionExpires = + subscriptionState.expires ? + Math.min(this.subscriptionExpires, Math.max(subscriptionState.expires, 0)) : + this.subscriptionExpires; + // Update subscriptoin state. + switch (state) { + case "pending": + this.subscriptionState = subscription_1.SubscriptionState.Pending; + break; + case "active": + this.subscriptionState = subscription_1.SubscriptionState.Active; + break; + case "terminated": + this.subscriptionState = subscription_1.SubscriptionState.Terminated; + break; + default: + throw new Error("Unrecognized state " + state + "."); + } + // Dialogs usages are created upon completion of a NOTIFY transaction + // for a new subscription, unless the NOTIFY request contains a + // "Subscription-State" of "terminated." + // https://tools.ietf.org/html/rfc6665#section-4.4.1 + if (this.subscriptionState !== subscription_1.SubscriptionState.Terminated) { + // Because the dialog usage is established by the NOTIFY request, the + // route set at the subscriber is taken from the NOTIFY request itself, + // as opposed to the route set present in the 200-class response to the + // SUBSCRIBE request. + // https://tools.ietf.org/html/rfc6665#section-4.4.1 + var dialogState = subscription_dialog_1.SubscriptionDialog.initialDialogStateForSubscription(this.message, uas.message); + // Subscription Initiated! :) + this.dialog = new subscription_dialog_1.SubscriptionDialog(this.subscriptionEvent, this.subscriptionExpires, this.subscriptionState, this.core, dialogState); + } + // Delegate. + if (this.delegate && this.delegate.onNotify) { + var request = uas; + var subscription = this.dialog; + this.delegate.onNotify({ request: request, subscription: subscription }); + } + else { + uas.accept(); + } + }; + SubscribeUserAgentClient.prototype.waitNotifyStart = function () { + var _this = this; + if (!this.N) { + // Add ourselves to the core's subscriber map. + // This allows the core to route out of dialog NOTIFY messages to us. + this.core.subscribers.set(this.subscriberId, this); + this.N = setTimeout(function () { return _this.timer_N(); }, timers_1.Timers.TIMER_N); + } + }; + SubscribeUserAgentClient.prototype.waitNotifyStop = function () { + if (this.N) { + // Remove ourselves to the core's subscriber map. + // Any future out of dialog NOTIFY messages will be rejected with a 481. + this.core.subscribers.delete(this.subscriberId); + clearTimeout(this.N); + this.N = undefined; + } + }; + /** + * Receive a response from the transaction layer. + * @param message - Incoming response message. + */ + SubscribeUserAgentClient.prototype.receiveResponse = function (message) { + if (!this.authenticationGuard(message)) { + return; + } + if (message.statusCode && message.statusCode >= 200 && message.statusCode < 300) { + // The "Expires" header field in a 200-class response to SUBSCRIBE + // request indicates the actual duration for which the subscription will + // remain active (unless refreshed). The received value might be + // smaller than the value indicated in the SUBSCRIBE request but cannot + // be larger; see Section 4.2.1 for details. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.1 + // The "Expires" values present in SUBSCRIBE 200-class responses behave + // in the same way as they do in REGISTER responses: the server MAY + // shorten the interval but MUST NOT lengthen it. + // + // If the duration specified in a SUBSCRIBE request is unacceptably + // short, the notifier may be able to send a 423 response, as + // described earlier in this section. + // + // 200-class responses to SUBSCRIBE requests will not generally contain + // any useful information beyond subscription duration; their primary + // purpose is to serve as a reliability mechanism. State information + // will be communicated via a subsequent NOTIFY request from the + // notifier. + // https://tools.ietf.org/html/rfc6665#section-4.2.1.1 + var expires = message.getHeader("Expires"); + if (!expires) { + this.logger.warn("Expires header missing in a 200-class response to SUBSCRIBE"); + } + else { + var subscriptionExpiresReceived = Number(expires); + if (subscriptionExpiresReceived > this.subscriptionExpiresRequested) { + this.logger.warn("Expires header in a 200-class response to SUBSCRIBE with a higher value than the one in the request"); + } + if (subscriptionExpiresReceived < this.subscriptionExpires) { + this.subscriptionExpires = subscriptionExpiresReceived; + } + } + // If a NOTIFY arrived before 200-class response a dialog may have been created. + // Updated the dialogs expiration only if this indicates earlier expiration. + if (this.dialog) { + if (this.dialog.subscriptionExpires > this.subscriptionExpires) { + this.dialog.subscriptionExpires = this.subscriptionExpires; + } + } + } + if (message.statusCode && message.statusCode >= 300 && message.statusCode < 700) { + this.waitNotifyStop(); // No NOTIFY will be sent after a negative final response. + } + _super.prototype.receiveResponse.call(this, message); + }; + /** + * To ensure that subscribers do not wait indefinitely for a + * subscription to be established, a subscriber starts a Timer N, set to + * 64*T1, when it sends a SUBSCRIBE request. If this Timer N expires + * prior to the receipt of a NOTIFY request, the subscriber considers + * the subscription failed, and cleans up any state associated with the + * subscription attempt. + * https://tools.ietf.org/html/rfc6665#section-4.1.2.4 + */ + SubscribeUserAgentClient.prototype.timer_N = function () { + this.logger.warn("Timer N expired for SUBSCRIBE user agent client. Timed out waiting for NOTIFY."); + this.waitNotifyStop(); + if (this.delegate && this.delegate.onNotifyTimeout) { + this.delegate.onNotifyTimeout(); + } + }; + return SubscribeUserAgentClient; +}(user_agent_client_1.UserAgentClient)); +exports.SubscribeUserAgentClient = SubscribeUserAgentClient; + + +/***/ }), +/* 77 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var transactions_1 = __webpack_require__(27); +var user_agent_server_1 = __webpack_require__(44); +/** + * SUBSCRIBE UAS. + * @public + */ +var SubscribeUserAgentServer = /** @class */ (function (_super) { + tslib_1.__extends(SubscribeUserAgentServer, _super); + function SubscribeUserAgentServer(core, message, delegate) { + var _this = _super.call(this, transactions_1.NonInviteServerTransaction, core, message, delegate) || this; + _this.core = core; + return _this; + } + return SubscribeUserAgentServer; +}(user_agent_server_1.UserAgentServer)); +exports.SubscribeUserAgentServer = SubscribeUserAgentServer; + + +/***/ }), +/* 78 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +/** + * Transport. + * @remarks + * Abstract transport layer base class. + * @public + */ +var Transport = /** @class */ (function (_super) { + tslib_1.__extends(Transport, _super); + /** + * Constructor + * @param logger - Logger. + * @param options - Options bucket. Deprecated. + */ + function Transport(logger, options) { + var _this = _super.call(this) || this; + _this.logger = logger; + return _this; + } + /** + * Returns the promise designated by the child layer then emits a connected event. + * Automatically emits an event upon resolution, unless overrideEvent is set. If you + * override the event in this fashion, you should emit it in your implementation of connectPromise + * @param options - Options bucket. + */ + Transport.prototype.connect = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + return this.connectPromise(options).then(function (data) { + if (!data.overrideEvent) { + _this.emit("connected"); + } + }); + }; + /** + * Sends a message then emits a 'messageSent' event. Automatically emits an + * event upon resolution, unless data.overrideEvent is set. If you override + * the event in this fashion, you should emit it in your implementation of sendPromise + * Rejects with an Error if message fails to send. + * @param message - Message. + * @param options - Options bucket. + */ + Transport.prototype.send = function (message, options) { + var _this = this; + if (options === void 0) { options = {}; } + // Error handling is independent of whether the message was a request or + // response. + // + // If the transport user asks for a message to be sent over an + // unreliable transport, and the result is an ICMP error, the behavior + // depends on the type of ICMP error. Host, network, port or protocol + // unreachable errors, or parameter problem errors SHOULD cause the + // transport layer to inform the transport user of a failure in sending. + // Source quench and TTL exceeded ICMP errors SHOULD be ignored. + // + // If the transport user asks for a request to be sent over a reliable + // transport, and the result is a connection failure, the transport + // layer SHOULD inform the transport user of a failure in sending. + // https://tools.ietf.org/html/rfc3261#section-18.4 + return this.sendPromise(message).then(function (result) { + if (!result.overrideEvent) { + _this.emit("messageSent", result.msg); + } + }); + }; + /** + * Returns the promise designated by the child layer then emits a + * disconnected event. Automatically emits an event upon resolution, + * unless overrideEvent is set. If you override the event in this fashion, + * you should emit it in your implementation of disconnectPromise + * @param options - Options bucket + */ + Transport.prototype.disconnect = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + return this.disconnectPromise(options).then(function (data) { + if (!data.overrideEvent) { + _this.emit("disconnected"); + } + }); + }; + Transport.prototype.afterConnected = function (callback) { + if (this.isConnected()) { + callback(); + } + else { + this.once("connected", callback); + } + }; + /** + * Returns a promise which resolves once the UA is connected. DEPRECATION WARNING: just use afterConnected() + */ + Transport.prototype.waitForConnected = function () { + var _this = this; + // tslint:disable-next-line:no-console + console.warn("DEPRECATION WARNING Transport.waitForConnected(): use afterConnected() instead"); + return new Promise(function (resolve) { + _this.afterConnected(resolve); + }); + }; + return Transport; +}(events_1.EventEmitter)); +exports.Transport = Transport; + + +/***/ }), +/* 79 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Utils_1 = __webpack_require__(83); +var ClientContext = /** @class */ (function (_super) { + tslib_1.__extends(ClientContext, _super); + function ClientContext(ua, method, target, options) { + var _this = _super.call(this) || this; + _this.data = {}; + ClientContext.initializer(_this, ua, method, target, options); + return _this; + } + ClientContext.initializer = function (objToConstruct, ua, method, originalTarget, options) { + objToConstruct.type = Enums_1.TypeStrings.ClientContext; + // Validate arguments + if (originalTarget === undefined) { + throw new TypeError("Not enough arguments"); + } + objToConstruct.ua = ua; + objToConstruct.logger = ua.getLogger("sip.clientcontext"); + objToConstruct.method = method; + var target = ua.normalizeTarget(originalTarget); + if (!target) { + throw new TypeError("Invalid target: " + originalTarget); + } + var fromURI = ua.userAgentCore.configuration.aor; + if (options && options.params && options.params.fromUri) { + fromURI = + (typeof options.params.fromUri === "string") ? + core_1.Grammar.URIParse(options.params.fromUri) : + options.params.fromUri; + if (!fromURI) { + throw new TypeError("Invalid from URI: " + options.params.fromUri); + } + } + var toURI = target; + if (options && options.params && options.params.toUri) { + toURI = + (typeof options.params.toUri === "string") ? + core_1.Grammar.URIParse(options.params.toUri) : + options.params.toUri; + if (!toURI) { + throw new TypeError("Invalid to URI: " + options.params.toUri); + } + } + /* Options + * - extraHeaders + * - params + * - contentType + * - body + */ + options = Object.create(options || Object.prototype); + options = options || {}; + var extraHeaders = (options.extraHeaders || []).slice(); + var params = options.params || {}; + var bodyObj; + if (options.body) { + bodyObj = { + body: options.body, + contentType: options.contentType ? options.contentType : "application/sdp" + }; + objToConstruct.body = bodyObj; + } + var body; + if (bodyObj) { + body = Utils_1.Utils.fromBodyObj(bodyObj); + } + // Build the request + objToConstruct.request = ua.userAgentCore.makeOutgoingRequestMessage(method, target, fromURI, toURI, params, extraHeaders, body); + /* Set other properties from the request */ + if (objToConstruct.request.from) { + objToConstruct.localIdentity = objToConstruct.request.from; + } + if (objToConstruct.request.to) { + objToConstruct.remoteIdentity = objToConstruct.request.to; + } + }; + ClientContext.prototype.send = function () { + var _this = this; + this.ua.userAgentCore.request(this.request, { + onAccept: function (response) { return _this.receiveResponse(response.message); }, + onProgress: function (response) { return _this.receiveResponse(response.message); }, + onRedirect: function (response) { return _this.receiveResponse(response.message); }, + onReject: function (response) { return _this.receiveResponse(response.message); }, + onTrying: function (response) { return _this.receiveResponse(response.message); } + }); + return this; + }; + ClientContext.prototype.receiveResponse = function (response) { + var statusCode = response.statusCode || 0; + var cause = Utils_1.Utils.getReasonPhrase(statusCode); + switch (true) { + case /^1[0-9]{2}$/.test(statusCode.toString()): + this.emit("progress", response, cause); + break; + case /^2[0-9]{2}$/.test(statusCode.toString()): + if (this.ua.applicants[this.toString()]) { + delete this.ua.applicants[this.toString()]; + } + this.emit("accepted", response, cause); + break; + default: + if (this.ua.applicants[this.toString()]) { + delete this.ua.applicants[this.toString()]; + } + this.emit("rejected", response, cause); + this.emit("failed", response, cause); + break; + } + }; + ClientContext.prototype.onRequestTimeout = function () { + this.emit("failed", undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + }; + ClientContext.prototype.onTransportError = function () { + this.emit("failed", undefined, Constants_1.C.causes.CONNECTION_ERROR); + }; + return ClientContext; +}(events_1.EventEmitter)); +exports.ClientContext = ClientContext; + + +/***/ }), +/* 80 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var version_1 = __webpack_require__(81); +var C; +(function (C) { + C.version = version_1.LIBRARY_VERSION; + C.USER_AGENT = "SIP.js/" + version_1.LIBRARY_VERSION; + // SIP scheme + C.SIP = "sip"; + C.SIPS = "sips"; + // End and Failure causes + var causes; + (function (causes) { + // Generic error causes + causes["CONNECTION_ERROR"] = "Connection Error"; + causes["INTERNAL_ERROR"] = "Internal Error"; + causes["REQUEST_TIMEOUT"] = "Request Timeout"; + causes["SIP_FAILURE_CODE"] = "SIP Failure Code"; + // SIP error causes + causes["ADDRESS_INCOMPLETE"] = "Address Incomplete"; + causes["AUTHENTICATION_ERROR"] = "Authentication Error"; + causes["BUSY"] = "Busy"; + causes["DIALOG_ERROR"] = "Dialog Error"; + causes["INCOMPATIBLE_SDP"] = "Incompatible SDP"; + causes["NOT_FOUND"] = "Not Found"; + causes["REDIRECTED"] = "Redirected"; + causes["REJECTED"] = "Rejected"; + causes["UNAVAILABLE"] = "Unavailable"; + // Session error causes + causes["BAD_MEDIA_DESCRIPTION"] = "Bad Media Description"; + causes["CANCELED"] = "Canceled"; + causes["EXPIRES"] = "Expires"; + causes["NO_ACK"] = "No ACK"; + causes["NO_ANSWER"] = "No Answer"; + causes["NO_PRACK"] = "No PRACK"; + causes["RTP_TIMEOUT"] = "RTP Timeout"; + causes["USER_DENIED_MEDIA_ACCESS"] = "User Denied Media Access"; + causes["WEBRTC_ERROR"] = "WebRTC Error"; + causes["WEBRTC_NOT_SUPPORTED"] = "WebRTC Not Supported"; + })(causes = C.causes || (C.causes = {})); + var supported; + (function (supported) { + supported["REQUIRED"] = "required"; + supported["SUPPORTED"] = "supported"; + supported["UNSUPPORTED"] = "none"; + })(supported = C.supported || (C.supported = {})); + C.SIP_ERROR_CAUSES = { + ADDRESS_INCOMPLETE: [484], + AUTHENTICATION_ERROR: [401, 407], + BUSY: [486, 600], + INCOMPATIBLE_SDP: [488, 606], + NOT_FOUND: [404, 604], + REDIRECTED: [300, 301, 302, 305, 380], + REJECTED: [403, 603], + UNAVAILABLE: [480, 410, 408, 430] + }; + // SIP Methods + C.ACK = "ACK"; + C.BYE = "BYE"; + C.CANCEL = "CANCEL"; + C.INFO = "INFO"; + C.INVITE = "INVITE"; + C.MESSAGE = "MESSAGE"; + C.NOTIFY = "NOTIFY"; + C.OPTIONS = "OPTIONS"; + C.REGISTER = "REGISTER"; + C.UPDATE = "UPDATE"; + C.SUBSCRIBE = "SUBSCRIBE"; + C.PUBLISH = "PUBLISH"; + C.REFER = "REFER"; + C.PRACK = "PRACK"; + /* SIP Response Reasons + * DOC: http://www.iana.org/assignments/sip-parameters + * Copied from https://github.com/versatica/OverSIP/blob/master/lib/oversip/sip/constants.rb#L7 + */ + C.REASON_PHRASE = { + 100: "Trying", + 180: "Ringing", + 181: "Call Is Being Forwarded", + 182: "Queued", + 183: "Session Progress", + 199: "Early Dialog Terminated", + 200: "OK", + 202: "Accepted", + 204: "No Notification", + 300: "Multiple Choices", + 301: "Moved Permanently", + 302: "Moved Temporarily", + 305: "Use Proxy", + 380: "Alternative Service", + 400: "Bad Request", + 401: "Unauthorized", + 402: "Payment Required", + 403: "Forbidden", + 404: "Not Found", + 405: "Method Not Allowed", + 406: "Not Acceptable", + 407: "Proxy Authentication Required", + 408: "Request Timeout", + 410: "Gone", + 412: "Conditional Request Failed", + 413: "Request Entity Too Large", + 414: "Request-URI Too Long", + 415: "Unsupported Media Type", + 416: "Unsupported URI Scheme", + 417: "Unknown Resource-Priority", + 420: "Bad Extension", + 421: "Extension Required", + 422: "Session Interval Too Small", + 423: "Interval Too Brief", + 428: "Use Identity Header", + 429: "Provide Referrer Identity", + 430: "Flow Failed", + 433: "Anonymity Disallowed", + 436: "Bad Identity-Info", + 437: "Unsupported Certificate", + 438: "Invalid Identity Header", + 439: "First Hop Lacks Outbound Support", + 440: "Max-Breadth Exceeded", + 469: "Bad Info Package", + 470: "Consent Needed", + 478: "Unresolvable Destination", + 480: "Temporarily Unavailable", + 481: "Call/Transaction Does Not Exist", + 482: "Loop Detected", + 483: "Too Many Hops", + 484: "Address Incomplete", + 485: "Ambiguous", + 486: "Busy Here", + 487: "Request Terminated", + 488: "Not Acceptable Here", + 489: "Bad Event", + 491: "Request Pending", + 493: "Undecipherable", + 494: "Security Agreement Required", + 500: "Internal Server Error", + 501: "Not Implemented", + 502: "Bad Gateway", + 503: "Service Unavailable", + 504: "Server Time-out", + 505: "Version Not Supported", + 513: "Message Too Large", + 580: "Precondition Failure", + 600: "Busy Everywhere", + 603: "Decline", + 604: "Does Not Exist Anywhere", + 606: "Not Acceptable" + }; + /* SIP Option Tags + * DOC: http://www.iana.org/assignments/sip-parameters/sip-parameters.xhtml#sip-parameters-4 + */ + C.OPTION_TAGS = { + "100rel": true, + "199": true, + "answermode": true, + "early-session": true, + "eventlist": true, + "explicitsub": true, + "from-change": true, + "geolocation-http": true, + "geolocation-sip": true, + "gin": true, + "gruu": true, + "histinfo": true, + "ice": true, + "join": true, + "multiple-refer": true, + "norefersub": true, + "nosub": true, + "outbound": true, + "path": true, + "policy": true, + "precondition": true, + "pref": true, + "privacy": true, + "recipient-list-invite": true, + "recipient-list-message": true, + "recipient-list-subscribe": true, + "replaces": true, + "resource-priority": true, + "sdp-anat": true, + "sec-agree": true, + "tdialog": true, + "timer": true, + "uui": true // RFC 7433 + }; + var dtmfType; + (function (dtmfType) { + dtmfType["INFO"] = "info"; + dtmfType["RTP"] = "rtp"; + })(dtmfType = C.dtmfType || (C.dtmfType = {})); +})(C = exports.C || (exports.C = {})); + + +/***/ }), +/* 81 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +exports.LIBRARY_VERSION = "0.15.6"; + + +/***/ }), +/* 82 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +// enums can't really be declared, so they are set here. +// pulled out of individual files to avoid circular dependencies +Object.defineProperty(exports, "__esModule", { value: true }); +var DialogStatus; +(function (DialogStatus) { + DialogStatus[DialogStatus["STATUS_EARLY"] = 1] = "STATUS_EARLY"; + DialogStatus[DialogStatus["STATUS_CONFIRMED"] = 2] = "STATUS_CONFIRMED"; +})(DialogStatus = exports.DialogStatus || (exports.DialogStatus = {})); +var SessionStatus; +(function (SessionStatus) { + // Session states + SessionStatus[SessionStatus["STATUS_NULL"] = 0] = "STATUS_NULL"; + SessionStatus[SessionStatus["STATUS_INVITE_SENT"] = 1] = "STATUS_INVITE_SENT"; + SessionStatus[SessionStatus["STATUS_1XX_RECEIVED"] = 2] = "STATUS_1XX_RECEIVED"; + SessionStatus[SessionStatus["STATUS_INVITE_RECEIVED"] = 3] = "STATUS_INVITE_RECEIVED"; + SessionStatus[SessionStatus["STATUS_WAITING_FOR_ANSWER"] = 4] = "STATUS_WAITING_FOR_ANSWER"; + SessionStatus[SessionStatus["STATUS_ANSWERED"] = 5] = "STATUS_ANSWERED"; + SessionStatus[SessionStatus["STATUS_WAITING_FOR_PRACK"] = 6] = "STATUS_WAITING_FOR_PRACK"; + SessionStatus[SessionStatus["STATUS_WAITING_FOR_ACK"] = 7] = "STATUS_WAITING_FOR_ACK"; + SessionStatus[SessionStatus["STATUS_CANCELED"] = 8] = "STATUS_CANCELED"; + SessionStatus[SessionStatus["STATUS_TERMINATED"] = 9] = "STATUS_TERMINATED"; + SessionStatus[SessionStatus["STATUS_ANSWERED_WAITING_FOR_PRACK"] = 10] = "STATUS_ANSWERED_WAITING_FOR_PRACK"; + SessionStatus[SessionStatus["STATUS_EARLY_MEDIA"] = 11] = "STATUS_EARLY_MEDIA"; + SessionStatus[SessionStatus["STATUS_CONFIRMED"] = 12] = "STATUS_CONFIRMED"; +})(SessionStatus = exports.SessionStatus || (exports.SessionStatus = {})); +var TypeStrings; +(function (TypeStrings) { + TypeStrings[TypeStrings["ClientContext"] = 0] = "ClientContext"; + TypeStrings[TypeStrings["ConfigurationError"] = 1] = "ConfigurationError"; + TypeStrings[TypeStrings["Dialog"] = 2] = "Dialog"; + TypeStrings[TypeStrings["DigestAuthentication"] = 3] = "DigestAuthentication"; + TypeStrings[TypeStrings["DTMF"] = 4] = "DTMF"; + TypeStrings[TypeStrings["IncomingMessage"] = 5] = "IncomingMessage"; + TypeStrings[TypeStrings["IncomingRequest"] = 6] = "IncomingRequest"; + TypeStrings[TypeStrings["IncomingResponse"] = 7] = "IncomingResponse"; + TypeStrings[TypeStrings["InvalidStateError"] = 8] = "InvalidStateError"; + TypeStrings[TypeStrings["InviteClientContext"] = 9] = "InviteClientContext"; + TypeStrings[TypeStrings["InviteServerContext"] = 10] = "InviteServerContext"; + TypeStrings[TypeStrings["Logger"] = 11] = "Logger"; + TypeStrings[TypeStrings["LoggerFactory"] = 12] = "LoggerFactory"; + TypeStrings[TypeStrings["MethodParameterError"] = 13] = "MethodParameterError"; + TypeStrings[TypeStrings["NameAddrHeader"] = 14] = "NameAddrHeader"; + TypeStrings[TypeStrings["NotSupportedError"] = 15] = "NotSupportedError"; + TypeStrings[TypeStrings["OutgoingRequest"] = 16] = "OutgoingRequest"; + TypeStrings[TypeStrings["Parameters"] = 17] = "Parameters"; + TypeStrings[TypeStrings["PublishContext"] = 18] = "PublishContext"; + TypeStrings[TypeStrings["ReferClientContext"] = 19] = "ReferClientContext"; + TypeStrings[TypeStrings["ReferServerContext"] = 20] = "ReferServerContext"; + TypeStrings[TypeStrings["RegisterContext"] = 21] = "RegisterContext"; + TypeStrings[TypeStrings["RenegotiationError"] = 22] = "RenegotiationError"; + TypeStrings[TypeStrings["RequestSender"] = 23] = "RequestSender"; + TypeStrings[TypeStrings["ServerContext"] = 24] = "ServerContext"; + TypeStrings[TypeStrings["Session"] = 25] = "Session"; + TypeStrings[TypeStrings["SessionDescriptionHandler"] = 26] = "SessionDescriptionHandler"; + TypeStrings[TypeStrings["SessionDescriptionHandlerError"] = 27] = "SessionDescriptionHandlerError"; + TypeStrings[TypeStrings["SessionDescriptionHandlerObserver"] = 28] = "SessionDescriptionHandlerObserver"; + TypeStrings[TypeStrings["Subscription"] = 29] = "Subscription"; + TypeStrings[TypeStrings["Transport"] = 30] = "Transport"; + TypeStrings[TypeStrings["UA"] = 31] = "UA"; + TypeStrings[TypeStrings["URI"] = 32] = "URI"; +})(TypeStrings = exports.TypeStrings || (exports.TypeStrings = {})); +// UA status codes +var UAStatus; +(function (UAStatus) { + UAStatus[UAStatus["STATUS_INIT"] = 0] = "STATUS_INIT"; + UAStatus[UAStatus["STATUS_STARTING"] = 1] = "STATUS_STARTING"; + UAStatus[UAStatus["STATUS_READY"] = 2] = "STATUS_READY"; + UAStatus[UAStatus["STATUS_USER_CLOSED"] = 3] = "STATUS_USER_CLOSED"; + UAStatus[UAStatus["STATUS_NOT_READY"] = 4] = "STATUS_NOT_READY"; +})(UAStatus = exports.UAStatus || (exports.UAStatus = {})); + + +/***/ }), +/* 83 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var Constants_1 = __webpack_require__(80); +var grammar_1 = __webpack_require__(11); +var uri_1 = __webpack_require__(15); +var Utils; +(function (Utils) { + function defer() { + var deferred = {}; + deferred.promise = new Promise(function (resolve, reject) { + deferred.resolve = resolve; + deferred.reject = reject; + }); + return deferred; + } + Utils.defer = defer; + function reducePromises(arr, val) { + return arr.reduce(function (acc, fn) { + acc = acc.then(fn); + return acc; + }, Promise.resolve(val)); + } + Utils.reducePromises = reducePromises; + function str_utf8_length(str) { + return encodeURIComponent(str).replace(/%[A-F\d]{2}/g, "U").length; + } + Utils.str_utf8_length = str_utf8_length; + function generateFakeSDP(body) { + if (!body) { + return; + } + var start = body.indexOf("o="); + var end = body.indexOf("\r\n", start); + return "v=0\r\n" + body.slice(start, end) + "\r\ns=-\r\nt=0 0\r\nc=IN IP4 0.0.0.0"; + } + Utils.generateFakeSDP = generateFakeSDP; + function isDecimal(num) { + var numAsNum = parseInt(num, 10); + return !isNaN(numAsNum) && (parseFloat(num) === numAsNum); + } + Utils.isDecimal = isDecimal; + function createRandomToken(size, base) { + if (base === void 0) { base = 32; } + var token = ""; + for (var i = 0; i < size; i++) { + var r = Math.floor(Math.random() * base); + token += r.toString(base); + } + return token; + } + Utils.createRandomToken = createRandomToken; + function newTag() { + // used to use the constant in UA + return Utils.createRandomToken(10); + } + Utils.newTag = newTag; + // http://stackoverflow.com/users/109538/broofa + function newUUID() { + var UUID = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) { + var r = Math.floor(Math.random() * 16); + var v = c === "x" ? r : (r % 4 + 8); + return v.toString(16); + }); + return UUID; + } + Utils.newUUID = newUUID; + /* + * Normalize SIP URI. + * NOTE: It does not allow a SIP URI without username. + * Accepts 'sip', 'sips' and 'tel' URIs and convert them into 'sip'. + * Detects the domain part (if given) and properly hex-escapes the user portion. + * If the user portion has only 'tel' number symbols the user portion is clean of 'tel' visual separators. + * @private + * @param {String} target + * @param {String} [domain] + */ + function normalizeTarget(target, domain) { + // If no target is given then raise an error. + if (!target) { + return; + // If a SIP.URI instance is given then return it. + } + else if (target instanceof uri_1.URI) { + return target; + // If a string is given split it by '@': + // - Last fragment is the desired domain. + // - Otherwise append the given domain argument. + } + else if (typeof target === "string") { + var targetArray = target.split("@"); + var targetUser = void 0; + var targetDomain = void 0; + switch (targetArray.length) { + case 1: + if (!domain) { + return; + } + targetUser = target; + targetDomain = domain; + break; + case 2: + targetUser = targetArray[0]; + targetDomain = targetArray[1]; + break; + default: + targetUser = targetArray.slice(0, targetArray.length - 1).join("@"); + targetDomain = targetArray[targetArray.length - 1]; + } + // Remove the URI scheme (if present). + targetUser = targetUser.replace(/^(sips?|tel):/i, ""); + // Remove 'tel' visual separators if the user portion just contains 'tel' number symbols. + if (/^[\-\.\(\)]*\+?[0-9\-\.\(\)]+$/.test(targetUser)) { + targetUser = targetUser.replace(/[\-\.\(\)]/g, ""); + } + // Build the complete SIP URI. + target = Constants_1.C.SIP + ":" + Utils.escapeUser(targetUser) + "@" + targetDomain; + // Finally parse the resulting URI. + return grammar_1.Grammar.URIParse(target); + } + else { + return; + } + } + Utils.normalizeTarget = normalizeTarget; + /* + * Hex-escape a SIP URI user. + * @private + * @param {String} user + */ + function escapeUser(user) { + // Don't hex-escape ':' (%3A), '+' (%2B), '?' (%3F"), '/' (%2F). + return encodeURIComponent(decodeURIComponent(user)) + .replace(/%3A/ig, ":") + .replace(/%2B/ig, "+") + .replace(/%3F/ig, "?") + .replace(/%2F/ig, "/"); + } + Utils.escapeUser = escapeUser; + function headerize(str) { + var exceptions = { + "Call-Id": "Call-ID", + "Cseq": "CSeq", + "Min-Se": "Min-SE", + "Rack": "RAck", + "Rseq": "RSeq", + "Www-Authenticate": "WWW-Authenticate", + }; + var name = str.toLowerCase().replace(/_/g, "-").split("-"); + var parts = name.length; + var hname = ""; + for (var part = 0; part < parts; part++) { + if (part !== 0) { + hname += "-"; + } + hname += name[part].charAt(0).toUpperCase() + name[part].substring(1); + } + if (exceptions[hname]) { + hname = exceptions[hname]; + } + return hname; + } + Utils.headerize = headerize; + function sipErrorCause(statusCode) { + for (var cause in Constants_1.C.SIP_ERROR_CAUSES) { + if (Constants_1.C.SIP_ERROR_CAUSES[cause].indexOf(statusCode) !== -1) { + return Constants_1.C.causes[cause]; + } + } + return Constants_1.C.causes.SIP_FAILURE_CODE; + } + Utils.sipErrorCause = sipErrorCause; + function getReasonPhrase(code, specific) { + return specific || Constants_1.C.REASON_PHRASE[code] || ""; + } + Utils.getReasonPhrase = getReasonPhrase; + function getReasonHeaderValue(code, reason) { + reason = Utils.getReasonPhrase(code, reason); + return "SIP;cause=" + code + ';text="' + reason + '"'; + } + Utils.getReasonHeaderValue = getReasonHeaderValue; + function getCancelReason(code, reason) { + if (code && code < 200 || code > 699) { + throw new TypeError("Invalid statusCode: " + code); + } + else if (code) { + return Utils.getReasonHeaderValue(code, reason); + } + } + Utils.getCancelReason = getCancelReason; + function buildStatusLine(code, reason) { + // Validate code and reason values + if (!code || (code < 100 || code > 699)) { + throw new TypeError("Invalid statusCode: " + code); + } + else if (reason && typeof reason !== "string" && !(reason instanceof String)) { + throw new TypeError("Invalid reason: " + reason); + } + reason = Utils.getReasonPhrase(code, reason); + return "SIP/2.0 " + code + " " + reason + "\r\n"; + } + Utils.buildStatusLine = buildStatusLine; + /** + * Create a Body given a BodyObj. + * @param bodyObj Body Object + */ + function fromBodyObj(bodyObj) { + var content = bodyObj.body; + var contentType = bodyObj.contentType; + var contentDisposition = contentTypeToContentDisposition(contentType); + var body = { contentDisposition: contentDisposition, contentType: contentType, content: content }; + return body; + } + Utils.fromBodyObj = fromBodyObj; + /** + * Create a BodyObj given a Body. + * @param bodyObj Body Object + */ + function toBodyObj(body) { + var bodyObj = { + body: body.content, + contentType: body.contentType + }; + return bodyObj; + } + Utils.toBodyObj = toBodyObj; + // If the Content-Disposition header field is missing, bodies of + // Content-Type application/sdp imply the disposition "session", while + // other content types imply "render". + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + function contentTypeToContentDisposition(contentType) { + if (contentType === "application/sdp") { + return "session"; + } + else { + return "render"; + } + } +})(Utils = exports.Utils || (exports.Utils = {})); + + +/***/ }), +/* 84 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +// tslint:disable:max-classes-per-file +var Exceptions; +(function (Exceptions) { + /** + * Indicates the session description handler has closed. + * Occurs when getDescription() or setDescription() are called after close() has been called. + * Occurs when close() is called while getDescription() or setDescription() are in progress. + */ + var ClosedSessionDescriptionHandlerError = /** @class */ (function (_super) { + tslib_1.__extends(ClosedSessionDescriptionHandlerError, _super); + function ClosedSessionDescriptionHandlerError() { + return _super.call(this, "The session description handler has closed.") || this; + } + return ClosedSessionDescriptionHandlerError; + }(core_1.Exception)); + Exceptions.ClosedSessionDescriptionHandlerError = ClosedSessionDescriptionHandlerError; + /** + * Indicates the session terminated before the action completed. + */ + var TerminatedSessionError = /** @class */ (function (_super) { + tslib_1.__extends(TerminatedSessionError, _super); + function TerminatedSessionError() { + return _super.call(this, "The session has terminated.") || this; + } + return TerminatedSessionError; + }(core_1.Exception)); + Exceptions.TerminatedSessionError = TerminatedSessionError; + /** + * Unsupported session description content type. + */ + var UnsupportedSessionDescriptionContentTypeError = /** @class */ (function (_super) { + tslib_1.__extends(UnsupportedSessionDescriptionContentTypeError, _super); + function UnsupportedSessionDescriptionContentTypeError(message) { + return _super.call(this, message ? message : "Unsupported session description content type.") || this; + } + return UnsupportedSessionDescriptionContentTypeError; + }(core_1.Exception)); + Exceptions.UnsupportedSessionDescriptionContentTypeError = UnsupportedSessionDescriptionContentTypeError; +})(Exceptions = exports.Exceptions || (exports.Exceptions = {})); +/** + * DEPRECATED: The original implementation of exceptions in this library attempted to + * deal with the lack of type checking in JavaScript by adding a "type" attribute + * to objects and using that to discriminate. On top of that it layered allcoated + * "code" numbers and constant "name" strings. All of that is unnecessary when using + * TypeScript, inheriting from Error and properly setting up the prototype chain... + */ +var LegacyException = /** @class */ (function (_super) { + tslib_1.__extends(LegacyException, _super); + function LegacyException(code, name, message) { + var _this = _super.call(this, message) || this; + _this.code = code; + _this.name = name; + _this.message = message; + return _this; + } + return LegacyException; +}(core_1.Exception)); +(function (Exceptions) { + var ConfigurationError = /** @class */ (function (_super) { + tslib_1.__extends(ConfigurationError, _super); + function ConfigurationError(parameter, value) { + var _this = _super.call(this, 1, "CONFIGURATION_ERROR", (!value) ? "Missing parameter: " + parameter : + "Invalid value " + JSON.stringify(value) + " for parameter '" + parameter + "'") || this; + _this.type = Enums_1.TypeStrings.ConfigurationError; + _this.parameter = parameter; + _this.value = value; + return _this; + } + return ConfigurationError; + }(LegacyException)); + Exceptions.ConfigurationError = ConfigurationError; + var InvalidStateError = /** @class */ (function (_super) { + tslib_1.__extends(InvalidStateError, _super); + function InvalidStateError(status) { + var _this = _super.call(this, 2, "INVALID_STATE_ERROR", "Invalid status: " + status) || this; + _this.type = Enums_1.TypeStrings.InvalidStateError; + _this.status = status; + return _this; + } + return InvalidStateError; + }(LegacyException)); + Exceptions.InvalidStateError = InvalidStateError; + var NotSupportedError = /** @class */ (function (_super) { + tslib_1.__extends(NotSupportedError, _super); + function NotSupportedError(message) { + var _this = _super.call(this, 3, "NOT_SUPPORTED_ERROR", message) || this; + _this.type = Enums_1.TypeStrings.NotSupportedError; + return _this; + } + return NotSupportedError; + }(LegacyException)); + Exceptions.NotSupportedError = NotSupportedError; + // 4 was GetDescriptionError, which was deprecated and now removed + var RenegotiationError = /** @class */ (function (_super) { + tslib_1.__extends(RenegotiationError, _super); + function RenegotiationError(message) { + var _this = _super.call(this, 5, "RENEGOTIATION_ERROR", message) || this; + _this.type = Enums_1.TypeStrings.RenegotiationError; + return _this; + } + return RenegotiationError; + }(LegacyException)); + Exceptions.RenegotiationError = RenegotiationError; + var MethodParameterError = /** @class */ (function (_super) { + tslib_1.__extends(MethodParameterError, _super); + function MethodParameterError(method, parameter, value) { + var _this = _super.call(this, 6, "METHOD_PARAMETER_ERROR", (!value) ? + "Missing parameter: " + parameter : + "Invalid value " + JSON.stringify(value) + " for parameter '" + parameter + "'") || this; + _this.type = Enums_1.TypeStrings.MethodParameterError; + _this.method = method; + _this.parameter = parameter; + _this.value = value; + return _this; + } + return MethodParameterError; + }(LegacyException)); + Exceptions.MethodParameterError = MethodParameterError; + // 7 was TransportError, which was replaced + var SessionDescriptionHandlerError = /** @class */ (function (_super) { + tslib_1.__extends(SessionDescriptionHandlerError, _super); + function SessionDescriptionHandlerError(method, error, message) { + var _this = _super.call(this, 8, "SESSION_DESCRIPTION_HANDLER_ERROR", message || "Error with Session Description Handler") || this; + _this.type = Enums_1.TypeStrings.SessionDescriptionHandlerError; + _this.method = method; + _this.error = error; + return _this; + } + return SessionDescriptionHandlerError; + }(LegacyException)); + Exceptions.SessionDescriptionHandlerError = SessionDescriptionHandlerError; +})(Exceptions = exports.Exceptions || (exports.Exceptions = {})); + + +/***/ }), +/* 85 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var core_1 = __webpack_require__(2); +/** + * Extract and parse every header of a SIP message. + * @namespace + */ +var Parser; +(function (Parser) { + function getHeader(data, headerStart) { + // 'start' position of the header. + var start = headerStart; + // 'end' position of the header. + var end = 0; + // 'partial end' position of the header. + var partialEnd = 0; + // End of message. + if (data.substring(start, start + 2).match(/(^\r\n)/)) { + return -2; + } + while (end === 0) { + // Partial End of Header. + partialEnd = data.indexOf("\r\n", start); + // 'indexOf' returns -1 if the value to be found never occurs. + if (partialEnd === -1) { + return partialEnd; + } + if (!data.substring(partialEnd + 2, partialEnd + 4).match(/(^\r\n)/) && + data.charAt(partialEnd + 2).match(/(^\s+)/)) { + // Not the end of the message. Continue from the next position. + start = partialEnd + 2; + } + else { + end = partialEnd; + } + } + return end; + } + Parser.getHeader = getHeader; + function parseHeader(message, data, headerStart, headerEnd) { + var hcolonIndex = data.indexOf(":", headerStart); + var headerName = data.substring(headerStart, hcolonIndex).trim(); + var headerValue = data.substring(hcolonIndex + 1, headerEnd).trim(); + var parsed; + // If header-field is well-known, parse it. + switch (headerName.toLowerCase()) { + case "via": + case "v": + message.addHeader("via", headerValue); + if (message.getHeaders("via").length === 1) { + parsed = message.parseHeader("Via"); + if (parsed) { + message.via = parsed; + message.viaBranch = parsed.branch; + } + } + else { + parsed = 0; + } + break; + case "from": + case "f": + message.setHeader("from", headerValue); + parsed = message.parseHeader("from"); + if (parsed) { + message.from = parsed; + message.fromTag = parsed.getParam("tag"); + } + break; + case "to": + case "t": + message.setHeader("to", headerValue); + parsed = message.parseHeader("to"); + if (parsed) { + message.to = parsed; + message.toTag = parsed.getParam("tag"); + } + break; + case "record-route": + parsed = core_1.Grammar.parse(headerValue, "Record_Route"); + if (parsed === -1) { + parsed = undefined; + break; + } + for (var header in parsed) { + if (parsed[header]) { + message.addHeader("record-route", headerValue.substring(parsed[header].position, parsed[header].offset)); + message.headers["Record-Route"][message.getHeaders("record-route").length - 1].parsed = + parsed[header].parsed; + } + } + break; + case "call-id": + case "i": + message.setHeader("call-id", headerValue); + parsed = message.parseHeader("call-id"); + if (parsed) { + message.callId = headerValue; + } + break; + case "contact": + case "m": + parsed = core_1.Grammar.parse(headerValue, "Contact"); + if (parsed === -1) { + parsed = undefined; + break; + } + if (!(parsed instanceof Array)) { + parsed = undefined; + break; + } + parsed.forEach(function (header) { + message.addHeader("contact", headerValue.substring(header.position, header.offset)); + message.headers.Contact[message.getHeaders("contact").length - 1].parsed = header.parsed; + }); + break; + case "content-length": + case "l": + message.setHeader("content-length", headerValue); + parsed = message.parseHeader("content-length"); + break; + case "content-type": + case "c": + message.setHeader("content-type", headerValue); + parsed = message.parseHeader("content-type"); + break; + case "cseq": + message.setHeader("cseq", headerValue); + parsed = message.parseHeader("cseq"); + if (parsed) { + message.cseq = parsed.value; + } + if (message instanceof core_1.IncomingResponseMessage) { + message.method = parsed.method; + } + break; + case "max-forwards": + message.setHeader("max-forwards", headerValue); + parsed = message.parseHeader("max-forwards"); + break; + case "www-authenticate": + message.setHeader("www-authenticate", headerValue); + parsed = message.parseHeader("www-authenticate"); + break; + case "proxy-authenticate": + message.setHeader("proxy-authenticate", headerValue); + parsed = message.parseHeader("proxy-authenticate"); + break; + case "refer-to": + case "r": + message.setHeader("refer-to", headerValue); + parsed = message.parseHeader("refer-to"); + if (parsed) { + message.referTo = parsed; + } + break; + default: + // Do not parse this header. + message.addHeader(headerName.toLowerCase(), headerValue); + parsed = 0; + } + if (parsed === undefined) { + return { + error: "error parsing header '" + headerName + "'" + }; + } + else { + return true; + } + } + Parser.parseHeader = parseHeader; + /** Parse SIP Message + * @function + * @param {String} message SIP message. + * @param {Object} logger object. + * @returns {SIP.IncomingRequest|SIP.IncomingResponse|undefined} + */ + function parseMessage(data, logger) { + var headerStart = 0; + var headerEnd = data.indexOf("\r\n"); + if (headerEnd === -1) { + logger.warn("no CRLF found, not a SIP message, discarded"); + return; + } + // Parse first line. Check if it is a Request or a Reply. + var firstLine = data.substring(0, headerEnd); + var parsed = core_1.Grammar.parse(firstLine, "Request_Response"); + var message; + if (parsed === -1) { + logger.warn('error parsing first line of SIP message: "' + firstLine + '"'); + return; + } + else if (!parsed.status_code) { + message = new core_1.IncomingRequestMessage(); + message.method = parsed.method; + message.ruri = parsed.uri; + } + else { + message = new core_1.IncomingResponseMessage(); + message.statusCode = parsed.status_code; + message.reasonPhrase = parsed.reason_phrase; + } + message.data = data; + headerStart = headerEnd + 2; + /* Loop over every line in data. Detect the end of each header and parse + * it or simply add to the headers collection. + */ + var bodyStart; + while (true) { + headerEnd = getHeader(data, headerStart); + // The SIP message has normally finished. + if (headerEnd === -2) { + bodyStart = headerStart + 2; + break; + } + else if (headerEnd === -1) { + // data.indexOf returned -1 due to a malformed message. + logger.error("malformed message"); + return; + } + var parsedHeader = parseHeader(message, data, headerStart, headerEnd); + if (parsedHeader !== true) { + logger.error(parsed.error); + return; + } + headerStart = headerEnd + 2; + } + /* RFC3261 18.3. + * If there are additional bytes in the transport packet + * beyond the end of the body, they MUST be discarded. + */ + if (message.hasHeader("content-length")) { + message.body = data.substr(bodyStart, Number(message.getHeader("content-length"))); + } + else { + message.body = data.substring(bodyStart); + } + return message; + } + Parser.parseMessage = parseMessage; +})(Parser = exports.Parser || (exports.Parser = {})); + + +/***/ }), +/* 86 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var ClientContext_1 = __webpack_require__(79); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +/** + * SIP Publish (SIP Extension for Event State Publication RFC3903) + * @class Class creating a SIP PublishContext. + */ +var PublishContext = /** @class */ (function (_super) { + tslib_1.__extends(PublishContext, _super); + function PublishContext(ua, target, event, options) { + if (options === void 0) { options = {}; } + var _this = this; + options.extraHeaders = (options.extraHeaders || []).slice(); + options.contentType = (options.contentType || "text/plain"); + if (typeof options.expires !== "number" || (options.expires % 1) !== 0) { + options.expires = 3600; + } + else { + options.expires = Number(options.expires); + } + if (typeof (options.unpublishOnClose) !== "boolean") { + options.unpublishOnClose = true; + } + if (target === undefined || target === null || target === "") { + throw new Exceptions_1.Exceptions.MethodParameterError("Publish", "Target", target); + } + else { + target = ua.normalizeTarget(target); + if (target === undefined) { + throw new Exceptions_1.Exceptions.MethodParameterError("Publish", "Target", target); + } + } + _this = _super.call(this, ua, Constants_1.C.PUBLISH, target, options) || this; + _this.type = Enums_1.TypeStrings.PublishContext; + _this.options = options; + _this.target = target; + if (event === undefined || event === null || event === "") { + throw new Exceptions_1.Exceptions.MethodParameterError("Publish", "Event", event); + } + else { + _this.event = event; + } + _this.logger = ua.getLogger("sip.publish"); + _this.pubRequestExpires = _this.options.expires; + return _this; + } + /** + * Publish + * @param {string} Event body to publish, optional + */ + PublishContext.prototype.publish = function (body) { + // Clean up before the run + if (this.publishRefreshTimer) { + clearTimeout(this.publishRefreshTimer); + this.publishRefreshTimer = undefined; + } + // is Inital or Modify request + this.options.body = body; + this.pubRequestBody = this.options.body; + if (this.pubRequestExpires === 0) { + // This is Initial request after unpublish + this.pubRequestExpires = this.options.expires; + this.pubRequestEtag = undefined; + } + if (!(this.ua.publishers[this.target.toString() + ":" + this.event])) { + this.ua.publishers[this.target.toString() + ":" + this.event] = this; + } + this.sendPublishRequest(); + }; + /** + * Unpublish + */ + PublishContext.prototype.unpublish = function () { + // Clean up before the run + if (this.publishRefreshTimer) { + clearTimeout(this.publishRefreshTimer); + this.publishRefreshTimer = undefined; + } + this.pubRequestBody = undefined; + this.pubRequestExpires = 0; + if (this.pubRequestEtag !== undefined) { + this.sendPublishRequest(); + } + }; + /** + * Close + */ + PublishContext.prototype.close = function () { + // Send unpublish, if requested + if (this.options.unpublishOnClose) { + this.unpublish(); + } + else { + if (this.publishRefreshTimer) { + clearTimeout(this.publishRefreshTimer); + this.publishRefreshTimer = undefined; + } + this.pubRequestBody = undefined; + this.pubRequestExpires = 0; + this.pubRequestEtag = undefined; + } + if (this.ua.publishers[this.target.toString() + ":" + this.event]) { + delete this.ua.publishers[this.target.toString() + ":" + this.event]; + } + }; + PublishContext.prototype.onRequestTimeout = function () { + _super.prototype.onRequestTimeout.call(this); + this.emit("unpublished", undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + }; + PublishContext.prototype.onTransportError = function () { + _super.prototype.onTransportError.call(this); + this.emit("unpublished", undefined, Constants_1.C.causes.CONNECTION_ERROR); + }; + PublishContext.prototype.receiveResponse = function (response) { + var _this = this; + var statusCode = response.statusCode || 0; + var cause = Utils_1.Utils.getReasonPhrase(statusCode); + switch (true) { + case /^1[0-9]{2}$/.test(statusCode.toString()): + this.emit("progress", response, cause); + break; + case /^2[0-9]{2}$/.test(statusCode.toString()): + // Set SIP-Etag + if (response.hasHeader("SIP-ETag")) { + this.pubRequestEtag = response.getHeader("SIP-ETag"); + } + else { + this.logger.warn("SIP-ETag header missing in a 200-class response to PUBLISH"); + } + // Update Expire + if (response.hasHeader("Expires")) { + var expires = Number(response.getHeader("Expires")); + if (typeof expires === "number" && expires >= 0 && expires <= this.pubRequestExpires) { + this.pubRequestExpires = expires; + } + else { + this.logger.warn("Bad Expires header in a 200-class response to PUBLISH"); + } + } + else { + this.logger.warn("Expires header missing in a 200-class response to PUBLISH"); + } + if (this.pubRequestExpires !== 0) { + // Schedule refresh + this.publishRefreshTimer = setTimeout(function () { return _this.refreshRequest(); }, this.pubRequestExpires * 900); + this.emit("published", response, cause); + } + else { + this.emit("unpublished", response, cause); + } + break; + case /^412$/.test(statusCode.toString()): + // 412 code means no matching ETag - possibly the PUBLISH expired + // Resubmit as new request, if the current request is not a "remove" + if (this.pubRequestEtag !== undefined && this.pubRequestExpires !== 0) { + this.logger.warn("412 response to PUBLISH, recovering"); + this.pubRequestEtag = undefined; + this.emit("progress", response, cause); + this.publish(this.options.body); + } + else { + this.logger.warn("412 response to PUBLISH, recovery failed"); + this.pubRequestExpires = 0; + this.emit("failed", response, cause); + this.emit("unpublished", response, cause); + } + break; + case /^423$/.test(statusCode.toString()): + // 423 code means we need to adjust the Expires interval up + if (this.pubRequestExpires !== 0 && response.hasHeader("Min-Expires")) { + var minExpires = Number(response.getHeader("Min-Expires")); + if (typeof minExpires === "number" || minExpires > this.pubRequestExpires) { + this.logger.warn("423 code in response to PUBLISH, adjusting the Expires value and trying to recover"); + this.pubRequestExpires = minExpires; + this.emit("progress", response, cause); + this.publish(this.options.body); + } + else { + this.logger.warn("Bad 423 response Min-Expires header received for PUBLISH"); + this.pubRequestExpires = 0; + this.emit("failed", response, cause); + this.emit("unpublished", response, cause); + } + } + else { + this.logger.warn("423 response to PUBLISH, recovery failed"); + this.pubRequestExpires = 0; + this.emit("failed", response, cause); + this.emit("unpublished", response, cause); + } + break; + default: + this.pubRequestExpires = 0; + this.emit("failed", response, cause); + this.emit("unpublished", response, cause); + break; + } + // Do the cleanup + if (this.pubRequestExpires === 0) { + if (this.publishRefreshTimer) { + clearTimeout(this.publishRefreshTimer); + this.publishRefreshTimer = undefined; + } + this.pubRequestBody = undefined; + this.pubRequestEtag = undefined; + } + }; + PublishContext.prototype.send = function () { + var _this = this; + this.ua.userAgentCore.publish(this.request, { + onAccept: function (response) { return _this.receiveResponse(response.message); }, + onProgress: function (response) { return _this.receiveResponse(response.message); }, + onRedirect: function (response) { return _this.receiveResponse(response.message); }, + onReject: function (response) { return _this.receiveResponse(response.message); }, + onTrying: function (response) { return _this.receiveResponse(response.message); } + }); + return this; + }; + PublishContext.prototype.refreshRequest = function () { + // Clean up before the run + if (this.publishRefreshTimer) { + clearTimeout(this.publishRefreshTimer); + this.publishRefreshTimer = undefined; + } + // This is Refresh request + this.pubRequestBody = undefined; + if (this.pubRequestEtag === undefined) { + // Request not valid + throw new Exceptions_1.Exceptions.MethodParameterError("Publish", "Body", undefined); + } + if (this.pubRequestExpires === 0) { + // Request not valid + throw new Exceptions_1.Exceptions.MethodParameterError("Publish", "Expire", this.pubRequestExpires); + } + this.sendPublishRequest(); + }; + PublishContext.prototype.sendPublishRequest = function () { + var reqOptions = Object.create(this.options || Object.prototype); + reqOptions.extraHeaders = (this.options.extraHeaders || []).slice(); + reqOptions.extraHeaders.push("Event: " + this.event); + reqOptions.extraHeaders.push("Expires: " + this.pubRequestExpires); + if (this.pubRequestEtag !== undefined) { + reqOptions.extraHeaders.push("SIP-If-Match: " + this.pubRequestEtag); + } + var ruri = this.target instanceof core_1.URI ? this.target : this.ua.normalizeTarget(this.target); + if (!ruri) { + throw new Error("ruri undefined."); + } + var params = this.options.params || {}; + var bodyObj; + if (this.pubRequestBody !== undefined) { + bodyObj = { + body: this.pubRequestBody, + contentType: this.options.contentType + }; + } + var body; + if (bodyObj) { + body = Utils_1.Utils.fromBodyObj(bodyObj); + } + this.request = this.ua.userAgentCore.makeOutgoingRequestMessage(Constants_1.C.PUBLISH, ruri, params.fromUri ? params.fromUri : this.ua.userAgentCore.configuration.aor, params.toUri ? params.toUri : this.target, params, reqOptions.extraHeaders, body); + this.send(); + }; + return PublishContext; +}(ClientContext_1.ClientContext)); +exports.PublishContext = PublishContext; + + +/***/ }), +/* 87 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var ClientContext_1 = __webpack_require__(79); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var ServerContext_1 = __webpack_require__(88); +// tslint:disable-next-line:max-classes-per-file +var ReferClientContext = /** @class */ (function (_super) { + tslib_1.__extends(ReferClientContext, _super); + function ReferClientContext(ua, applicant, target, options) { + if (options === void 0) { options = {}; } + var _this = this; + if (ua === undefined || applicant === undefined || target === undefined) { + throw new TypeError("Not enough arguments"); + } + _this = _super.call(this, ua, Constants_1.C.REFER, applicant.remoteIdentity.uri.toString(), options) || this; + _this.type = Enums_1.TypeStrings.ReferClientContext; + _this.options = options; + _this.extraHeaders = (_this.options.extraHeaders || []).slice(); + _this.applicant = applicant; + _this.target = _this.initReferTo(target); + if (_this.ua) { + _this.extraHeaders.push("Referred-By: <" + _this.ua.configuration.uri + ">"); + } + // TODO: Check that this is correct isc/icc + _this.extraHeaders.push("Contact: " + applicant.contact); + // this is UA.C.ALLOWED_METHODS, removed to get around circular dependency + _this.extraHeaders.push("Allow: " + [ + "ACK", + "CANCEL", + "INVITE", + "MESSAGE", + "BYE", + "OPTIONS", + "INFO", + "NOTIFY", + "REFER" + ].toString()); + _this.extraHeaders.push("Refer-To: " + _this.target); + _this.errorListener = _this.onTransportError.bind(_this); + if (ua.transport) { + ua.transport.on("transportError", _this.errorListener); + } + return _this; + } + ReferClientContext.prototype.refer = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + var extraHeaders = (this.extraHeaders || []).slice(); + if (options.extraHeaders) { + extraHeaders.concat(options.extraHeaders); + } + this.applicant.sendRequest(Constants_1.C.REFER, { + extraHeaders: this.extraHeaders, + receiveResponse: function (response) { + var statusCode = response && response.statusCode ? response.statusCode.toString() : ""; + if (/^1[0-9]{2}$/.test(statusCode)) { + _this.emit("referRequestProgress", _this); + } + else if (/^2[0-9]{2}$/.test(statusCode)) { + _this.emit("referRequestAccepted", _this); + } + else if (/^[4-6][0-9]{2}$/.test(statusCode)) { + _this.emit("referRequestRejected", _this); + } + if (options.receiveResponse) { + options.receiveResponse(response); + } + } + }); + return this; + }; + ReferClientContext.prototype.receiveNotify = function (request) { + // If we can correctly handle this, then we need to send a 200 OK! + var contentType = request.message.hasHeader("Content-Type") ? + request.message.getHeader("Content-Type") : undefined; + if (contentType && contentType.search(/^message\/sipfrag/) !== -1) { + var messageBody = core_1.Grammar.parse(request.message.body, "sipfrag"); + if (messageBody === -1) { + request.reject({ + statusCode: 489, + reasonPhrase: "Bad Event" + }); + return; + } + switch (true) { + case (/^1[0-9]{2}$/.test(messageBody.status_code)): + this.emit("referProgress", this); + break; + case (/^2[0-9]{2}$/.test(messageBody.status_code)): + this.emit("referAccepted", this); + if (!this.options.activeAfterTransfer && this.applicant.terminate) { + this.applicant.terminate(); + } + break; + default: + this.emit("referRejected", this); + break; + } + request.accept(); + this.emit("notify", request.message); + return; + } + request.reject({ + statusCode: 489, + reasonPhrase: "Bad Event" + }); + }; + ReferClientContext.prototype.initReferTo = function (target) { + var stringOrURI; + if (typeof target === "string") { + // REFER without Replaces (Blind Transfer) + var targetString = core_1.Grammar.parse(target, "Refer_To"); + stringOrURI = targetString && targetString.uri ? targetString.uri : target; + // Check target validity + var targetUri = this.ua.normalizeTarget(target); + if (!targetUri) { + throw new TypeError("Invalid target: " + target); + } + stringOrURI = targetUri; + } + else { + // REFER with Replaces (Attended Transfer) + if (!target.session) { + throw new Error("Session undefined."); + } + var displayName = target.remoteIdentity.friendlyName; + var remoteTarget = target.session.remoteTarget.toString(); + var callId = target.session.callId; + var remoteTag = target.session.remoteTag; + var localTag = target.session.localTag; + var replaces = encodeURIComponent(callId + ";to-tag=" + remoteTag + ";from-tag=" + localTag); + stringOrURI = "\"" + displayName + "\" <" + remoteTarget + "?Replaces=" + replaces + ">"; + } + return stringOrURI; + }; + return ReferClientContext; +}(ClientContext_1.ClientContext)); +exports.ReferClientContext = ReferClientContext; +// tslint:disable-next-line:max-classes-per-file +var ReferServerContext = /** @class */ (function (_super) { + tslib_1.__extends(ReferServerContext, _super); + function ReferServerContext(ua, incomingRequest, session) { + var _this = _super.call(this, ua, incomingRequest) || this; + _this.session = session; + _this.type = Enums_1.TypeStrings.ReferServerContext; + _this.ua = ua; + _this.status = Enums_1.SessionStatus.STATUS_INVITE_RECEIVED; + _this.fromTag = _this.request.fromTag; + _this.id = _this.request.callId + _this.fromTag; + _this.contact = _this.ua.contact.toString(); + _this.logger = ua.getLogger("sip.referservercontext", _this.id); + // Needed to send the NOTIFY's + _this.cseq = Math.floor(Math.random() * 10000); + _this.callId = _this.request.callId; + _this.fromUri = _this.request.to.uri; + _this.fromTag = _this.request.to.parameters.tag; + _this.remoteTarget = _this.request.headers.Contact[0].parsed.uri; + _this.toUri = _this.request.from.uri; + _this.toTag = _this.request.fromTag; + _this.routeSet = _this.request.getHeaders("record-route"); + // RFC 3515 2.4.1 + if (!_this.request.hasHeader("refer-to")) { + _this.logger.warn("Invalid REFER packet. A refer-to header is required. Rejecting refer."); + _this.reject(); + return _this; + } + _this.referTo = _this.request.parseHeader("refer-to"); + // TODO: Must set expiration timer and send 202 if there is no response by then + _this.referredSession = _this.ua.findSession(_this.request); + if (_this.request.hasHeader("referred-by")) { + _this.referredBy = _this.request.getHeader("referred-by"); + } + if (_this.referTo.uri.hasHeader("replaces")) { + _this.replaces = _this.referTo.uri.getHeader("replaces"); + } + _this.errorListener = _this.onTransportError.bind(_this); + if (ua.transport) { + ua.transport.on("transportError", _this.errorListener); + } + _this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER; + return _this; + } + ReferServerContext.prototype.progress = function () { + if (this.status !== Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + this.incomingRequest.trying(); + }; + ReferServerContext.prototype.reject = function (options) { + if (options === void 0) { options = {}; } + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + this.logger.log("Rejecting refer"); + this.status = Enums_1.SessionStatus.STATUS_TERMINATED; + _super.prototype.reject.call(this, options); + this.emit("referRequestRejected", this); + }; + ReferServerContext.prototype.accept = function (options, modifiers) { + var _this = this; + if (options === void 0) { options = {}; } + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER) { + this.status = Enums_1.SessionStatus.STATUS_ANSWERED; + } + else { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + this.incomingRequest.accept({ + statusCode: 202, + reasonPhrase: "Accepted" + }); + this.emit("referRequestAccepted", this); + if (options.followRefer) { + this.logger.log("Accepted refer, attempting to automatically follow it"); + var target = this.referTo.uri; + if (!target.scheme || !target.scheme.match("^sips?$")) { + this.logger.error("SIP.js can only automatically follow SIP refer target"); + this.reject(); + return; + } + var inviteOptions = options.inviteOptions || {}; + var extraHeaders = (inviteOptions.extraHeaders || []).slice(); + if (this.replaces) { + // decodeURIComponent is a holdover from 2c086eb4. Not sure that it is actually necessary + extraHeaders.push("Replaces: " + decodeURIComponent(this.replaces)); + } + if (this.referredBy) { + extraHeaders.push("Referred-By: " + this.referredBy); + } + inviteOptions.extraHeaders = extraHeaders; + target.clearHeaders(); + this.targetSession = this.ua.invite(target.toString(), inviteOptions, modifiers); + this.emit("referInviteSent", this); + if (this.targetSession) { + this.targetSession.once("progress", function (response) { + var statusCode = response.statusCode || 100; + var reasonPhrase = response.reasonPhrase; + _this.sendNotify(("SIP/2.0 " + statusCode + " " + reasonPhrase).trim()); + _this.emit("referProgress", _this); + if (_this.referredSession) { + _this.referredSession.emit("referProgress", _this); + } + }); + this.targetSession.once("accepted", function () { + _this.logger.log("Successfully followed the refer"); + _this.sendNotify("SIP/2.0 200 OK"); + _this.emit("referAccepted", _this); + if (_this.referredSession) { + _this.referredSession.emit("referAccepted", _this); + } + }); + var referFailed = function (response) { + if (_this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; // No throw here because it is possible this gets called multiple times + } + _this.logger.log("Refer was not successful. Resuming session"); + if (response && response.statusCode === 429) { + _this.logger.log("Alerting referrer that identity is required."); + _this.sendNotify("SIP/2.0 429 Provide Referrer Identity"); + return; + } + _this.sendNotify("SIP/2.0 603 Declined"); + // Must change the status after sending the final Notify or it will not send due to check + _this.status = Enums_1.SessionStatus.STATUS_TERMINATED; + _this.emit("referRejected", _this); + if (_this.referredSession) { + _this.referredSession.emit("referRejected"); + } + }; + this.targetSession.once("rejected", referFailed); + this.targetSession.once("failed", referFailed); + } + } + else { + this.logger.log("Accepted refer, but did not automatically follow it"); + this.sendNotify("SIP/2.0 200 OK"); + this.emit("referAccepted", this); + if (this.referredSession) { + this.referredSession.emit("referAccepted", this); + } + } + }; + ReferServerContext.prototype.sendNotify = function (bodyStr) { + // FIXME: Ported this. Clean it up. Session knows its state. + if (this.status !== Enums_1.SessionStatus.STATUS_ANSWERED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + if (core_1.Grammar.parse(bodyStr, "sipfrag") === -1) { + throw new Error("sipfrag body is required to send notify for refer"); + } + var body = { + contentDisposition: "render", + contentType: "message/sipfrag", + content: bodyStr + }; + // NOTIFY requests sent in same dialog as in dialog REFER. + if (this.session) { + this.session.notify(undefined, { + extraHeaders: [ + "Event: refer", + "Subscription-State: terminated", + ], + body: body + }); + return; + } + // The implicit subscription created by a REFER is the same as a + // subscription created with a SUBSCRIBE request. The agent issuing the + // REFER can terminate this subscription prematurely by unsubscribing + // using the mechanisms described in [2]. Terminating a subscription, + // either by explicitly unsubscribing or rejecting NOTIFY, is not an + // indication that the referenced request should be withdrawn or + // abandoned. + // https://tools.ietf.org/html/rfc3515#section-2.4.4 + // NOTIFY requests sent in new dialog for out of dialog REFER. + // FIXME: TODO: This should be done in a subscribe dialog to satisfy the above. + var request = this.ua.userAgentCore.makeOutgoingRequestMessage(Constants_1.C.NOTIFY, this.remoteTarget, this.fromUri, this.toUri, { + cseq: this.cseq += 1, + callId: this.callId, + fromTag: this.fromTag, + toTag: this.toTag, + routeSet: this.routeSet + }, [ + "Event: refer", + "Subscription-State: terminated", + "Content-Type: message/sipfrag" + ], body); + var transport = this.ua.transport; + if (!transport) { + throw new Error("Transport undefined."); + } + var user = { + loggerFactory: this.ua.getLoggerFactory() + }; + var nic = new core_1.NonInviteClientTransaction(request, transport, user); + }; + ReferServerContext.prototype.on = function (name, callback) { return _super.prototype.on.call(this, name, callback); }; + return ReferServerContext; +}(ServerContext_1.ServerContext)); +exports.ReferServerContext = ReferServerContext; + + +/***/ }), +/* 88 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Utils_1 = __webpack_require__(83); +var ServerContext = /** @class */ (function (_super) { + tslib_1.__extends(ServerContext, _super); + function ServerContext(ua, incomingRequest) { + var _this = _super.call(this) || this; + _this.incomingRequest = incomingRequest; + _this.data = {}; + ServerContext.initializer(_this, ua, incomingRequest); + return _this; + } + // hack to get around our multiple inheritance issues + ServerContext.initializer = function (objectToConstruct, ua, incomingRequest) { + var request = incomingRequest.message; + objectToConstruct.type = Enums_1.TypeStrings.ServerContext; + objectToConstruct.ua = ua; + objectToConstruct.logger = ua.getLogger("sip.servercontext"); + objectToConstruct.request = request; + if (request.body) { + objectToConstruct.body = request.body; + } + if (request.hasHeader("Content-Type")) { + objectToConstruct.contentType = request.getHeader("Content-Type"); + } + objectToConstruct.method = request.method; + objectToConstruct.localIdentity = request.to; + objectToConstruct.remoteIdentity = request.from; + var hasAssertedIdentity = request.hasHeader("P-Asserted-Identity"); + if (hasAssertedIdentity) { + var assertedIdentity = request.getHeader("P-Asserted-Identity"); + if (assertedIdentity) { + objectToConstruct.assertedIdentity = core_1.Grammar.nameAddrHeaderParse(assertedIdentity); + } + } + }; + ServerContext.prototype.progress = function (options) { + if (options === void 0) { options = {}; } + options.statusCode = options.statusCode || 180; + options.minCode = 100; + options.maxCode = 199; + options.events = ["progress"]; + return this.reply(options); + }; + ServerContext.prototype.accept = function (options) { + if (options === void 0) { options = {}; } + options.statusCode = options.statusCode || 200; + options.minCode = 200; + options.maxCode = 299; + options.events = ["accepted"]; + return this.reply(options); + }; + ServerContext.prototype.reject = function (options) { + if (options === void 0) { options = {}; } + options.statusCode = options.statusCode || 480; + options.minCode = 300; + options.maxCode = 699; + options.events = ["rejected", "failed"]; + return this.reply(options); + }; + ServerContext.prototype.reply = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + var statusCode = options.statusCode || 100; + var minCode = options.minCode || 100; + var maxCode = options.maxCode || 699; + var reasonPhrase = Utils_1.Utils.getReasonPhrase(statusCode, options.reasonPhrase); + var extraHeaders = options.extraHeaders || []; + var body = options.body ? core_1.fromBodyLegacy(options.body) : undefined; + var events = options.events || []; + if (statusCode < minCode || statusCode > maxCode) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var responseOptions = { + statusCode: statusCode, + reasonPhrase: reasonPhrase, + extraHeaders: extraHeaders, + body: body + }; + var response; + var statusCodeString = statusCode.toString(); + switch (true) { + case /^100$/.test(statusCodeString): + response = this.incomingRequest.trying(responseOptions).message; + break; + case /^1[0-9]{2}$/.test(statusCodeString): + response = this.incomingRequest.progress(responseOptions).message; + break; + case /^2[0-9]{2}$/.test(statusCodeString): + response = this.incomingRequest.accept(responseOptions).message; + break; + case /^3[0-9]{2}$/.test(statusCodeString): + response = this.incomingRequest.redirect([], responseOptions).message; + break; + case /^[4-6][0-9]{2}$/.test(statusCodeString): + response = this.incomingRequest.reject(responseOptions).message; + break; + default: + throw new Error("Invalid status code " + statusCode); + } + events.forEach(function (event) { + _this.emit(event, response, reasonPhrase); + }); + return this; + }; + ServerContext.prototype.onRequestTimeout = function () { + this.emit("failed", undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + }; + ServerContext.prototype.onTransportError = function () { + this.emit("failed", undefined, Constants_1.C.causes.CONNECTION_ERROR); + }; + return ServerContext; +}(events_1.EventEmitter)); +exports.ServerContext = ServerContext; + + +/***/ }), +/* 89 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var ClientContext_1 = __webpack_require__(79); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +/** + * Configuration load. + * @private + * returns {any} + */ +function loadConfig(configuration) { + var settings = { + expires: 600, + extraContactHeaderParams: [], + instanceId: undefined, + params: {}, + regId: undefined, + registrar: undefined, + }; + var configCheck = getConfigurationCheck(); + // Check Mandatory parameters + for (var parameter in configCheck.mandatory) { + if (!configuration.hasOwnProperty(parameter)) { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter); + } + else { + var value = configuration[parameter]; + var checkedValue = configCheck.mandatory[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + // Check Optional parameters + for (var parameter in configCheck.optional) { + if (configuration.hasOwnProperty(parameter)) { + var value = configuration[parameter]; + // If the parameter value is an empty array, but shouldn't be, apply its default value. + if (value instanceof Array && value.length === 0) { + continue; + } + // If the parameter value is null, empty string, or undefined then apply its default value. + // If it's a number with NaN value then also apply its default value. + // NOTE: JS does not allow "value === NaN", the following does the work: + if (value === null || value === "" || value === undefined || + (typeof (value) === "number" && isNaN(value))) { + continue; + } + var checkedValue = configCheck.optional[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + return settings; +} +function getConfigurationCheck() { + return { + mandatory: {}, + optional: { + expires: function (expires) { + if (Utils_1.Utils.isDecimal(expires)) { + var value = Number(expires); + if (value >= 0) { + return value; + } + } + }, + extraContactHeaderParams: function (extraContactHeaderParams) { + if (extraContactHeaderParams instanceof Array) { + return extraContactHeaderParams.filter(function (contactHeaderParam) { return (typeof contactHeaderParam === "string"); }); + } + }, + instanceId: function (instanceId) { + if (typeof instanceId !== "string") { + return; + } + if ((/^uuid:/i.test(instanceId))) { + instanceId = instanceId.substr(5); + } + if (core_1.Grammar.parse(instanceId, "uuid") === -1) { + return; + } + else { + return instanceId; + } + }, + params: function (params) { + if (typeof params === "object") { + return params; + } + }, + regId: function (regId) { + if (Utils_1.Utils.isDecimal(regId)) { + var value = Number(regId); + if (value >= 0) { + return value; + } + } + }, + registrar: function (registrar) { + if (typeof registrar !== "string") { + return; + } + if (!/^sip:/i.test(registrar)) { + registrar = Constants_1.C.SIP + ":" + registrar; + } + var parsed = core_1.Grammar.URIParse(registrar); + if (!parsed) { + return; + } + else if (parsed.user) { + return; + } + else { + return parsed; + } + } + } + }; +} +var RegisterContext = /** @class */ (function (_super) { + tslib_1.__extends(RegisterContext, _super); + function RegisterContext(ua, options) { + if (options === void 0) { options = {}; } + var _this = this; + var settings = loadConfig(options); + if (settings.regId && !settings.instanceId) { + settings.instanceId = Utils_1.Utils.newUUID(); + } + else if (!settings.regId && settings.instanceId) { + settings.regId = 1; + } + settings.params.toUri = settings.params.toUri || ua.configuration.uri; + settings.params.toDisplayName = settings.params.toDisplayName || ua.configuration.displayName; + settings.params.callId = settings.params.callId || Utils_1.Utils.createRandomToken(22); + settings.params.cseq = settings.params.cseq || Math.floor(Math.random() * 10000); + /* If no 'registrarServer' is set use the 'uri' value without user portion. */ + if (!settings.registrar) { + var registrarServer = {}; + if (typeof ua.configuration.uri === "object") { + registrarServer = ua.configuration.uri.clone(); + registrarServer.user = undefined; + } + else { + registrarServer = ua.configuration.uri; + } + settings.registrar = registrarServer; + } + _this = _super.call(this, ua, Constants_1.C.REGISTER, settings.registrar, settings) || this; + _this.type = Enums_1.TypeStrings.RegisterContext; + _this.options = settings; + _this.logger = ua.getLogger("sip.registercontext"); + _this.logger.log("configuration parameters for RegisterContext after validation:"); + for (var parameter in settings) { + if (settings.hasOwnProperty(parameter)) { + _this.logger.log("· " + parameter + ": " + JSON.stringify(settings[parameter])); + } + } + // Registration expires + _this.expires = settings.expires; + // Contact header + _this.contact = ua.contact.toString(); + // Set status + _this.registered = false; + ua.transport.on("disconnected", function () { return _this.onTransportDisconnected(); }); + return _this; + } + RegisterContext.prototype.register = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + // Handle Options + this.options = tslib_1.__assign(tslib_1.__assign({}, this.options), options); + var extraHeaders = (this.options.extraHeaders || []).slice(); + extraHeaders.push("Contact: " + this.generateContactHeader(this.expires)); + // this is UA.C.ALLOWED_METHODS, removed to get around circular dependency + extraHeaders.push("Allow: " + [ + "ACK", + "CANCEL", + "INVITE", + "MESSAGE", + "BYE", + "OPTIONS", + "INFO", + "NOTIFY", + "REFER" + ].toString()); + // Save original extraHeaders to be used in .close + this.closeHeaders = this.options.closeWithHeaders ? + (this.options.extraHeaders || []).slice() : []; + this.receiveResponse = function (response) { + // Discard responses to older REGISTER/un-REGISTER requests. + if (response.cseq !== _this.request.cseq) { + return; + } + // Clear registration timer + if (_this.registrationTimer !== undefined) { + clearTimeout(_this.registrationTimer); + _this.registrationTimer = undefined; + } + var statusCode = (response.statusCode || 0).toString(); + switch (true) { + case /^1[0-9]{2}$/.test(statusCode): + _this.emit("progress", response); + break; + case /^2[0-9]{2}$/.test(statusCode): + _this.emit("accepted", response); + var expires = void 0; + if (response.hasHeader("expires")) { + expires = Number(response.getHeader("expires")); + } + if (_this.registrationExpiredTimer !== undefined) { + clearTimeout(_this.registrationExpiredTimer); + _this.registrationExpiredTimer = undefined; + } + // Search the Contact pointing to us and update the expires value accordingly. + var contacts = response.getHeaders("contact").length; + if (!contacts) { + _this.logger.warn("no Contact header in response to REGISTER, response ignored"); + break; + } + var contact = void 0; + while (contacts--) { + contact = response.parseHeader("contact", contacts); + if (contact.uri.user === _this.ua.contact.uri.user) { + expires = contact.getParam("expires"); + break; + } + else { + contact = undefined; + } + } + if (!contact) { + _this.logger.warn("no Contact header pointing to us, response ignored"); + break; + } + if (expires === undefined) { + expires = _this.expires; + } + // Re-Register before the expiration interval has elapsed. + // For that, decrease the expires value. ie: 3 seconds + _this.registrationTimer = setTimeout(function () { + _this.registrationTimer = undefined; + _this.register(_this.options); + }, (expires * 1000) - 3000); + _this.registrationExpiredTimer = setTimeout(function () { + _this.logger.warn("registration expired"); + if (_this.registered) { + _this.unregistered(undefined, Constants_1.C.causes.EXPIRES); + } + }, expires * 1000); + // Save gruu values + if (contact.hasParam("temp-gruu")) { + _this.ua.contact.tempGruu = core_1.Grammar.URIParse(contact.getParam("temp-gruu").replace(/"/g, "")); + } + if (contact.hasParam("pub-gruu")) { + _this.ua.contact.pubGruu = core_1.Grammar.URIParse(contact.getParam("pub-gruu").replace(/"/g, "")); + } + _this.registered = true; + _this.emit("registered", response || undefined); + break; + // Interval too brief RFC3261 10.2.8 + case /^423$/.test(statusCode): + if (response.hasHeader("min-expires")) { + // Increase our registration interval to the suggested minimum + _this.expires = Number(response.getHeader("min-expires")); + // Attempt the registration again immediately + _this.register(_this.options); + } + else { // This response MUST contain a Min-Expires header field + _this.logger.warn("423 response received for REGISTER without Min-Expires"); + _this.registrationFailure(response, Constants_1.C.causes.SIP_FAILURE_CODE); + } + break; + default: + _this.registrationFailure(response, Utils_1.Utils.sipErrorCause(response.statusCode || 0)); + } + }; + this.onRequestTimeout = function () { + _this.registrationFailure(undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + }; + this.onTransportError = function () { + _this.registrationFailure(undefined, Constants_1.C.causes.CONNECTION_ERROR); + }; + this.request.cseq++; + this.request.setHeader("cseq", this.request.cseq + " REGISTER"); + this.request.extraHeaders = extraHeaders; + this.send(); + }; + RegisterContext.prototype.close = function () { + var options = { + all: false, + extraHeaders: this.closeHeaders + }; + this.registeredBefore = this.registered; + if (this.registered) { + this.unregister(options); + } + }; + RegisterContext.prototype.unregister = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + if (!this.registered && !options.all) { + this.logger.warn("Already unregistered, but sending an unregister anyways."); + } + var extraHeaders = (options.extraHeaders || []).slice(); + this.registered = false; + // Clear the registration timer. + if (this.registrationTimer !== undefined) { + clearTimeout(this.registrationTimer); + this.registrationTimer = undefined; + } + if (options.all) { + extraHeaders.push("Contact: *"); + extraHeaders.push("Expires: 0"); + } + else { + extraHeaders.push("Contact: " + this.generateContactHeader(0)); + } + this.receiveResponse = function (response) { + var statusCode = (response && response.statusCode) ? response.statusCode.toString() : ""; + switch (true) { + case /^1[0-9]{2}$/.test(statusCode): + _this.emit("progress", response); + break; + case /^2[0-9]{2}$/.test(statusCode): + _this.emit("accepted", response); + if (_this.registrationExpiredTimer !== undefined) { + clearTimeout(_this.registrationExpiredTimer); + _this.registrationExpiredTimer = undefined; + } + _this.unregistered(response); + break; + default: + _this.unregistered(response, Utils_1.Utils.sipErrorCause(response.statusCode || 0)); + } + }; + this.onRequestTimeout = function () { + // Not actually unregistered... + // this.unregistered(undefined, SIP.C.causes.REQUEST_TIMEOUT); + }; + this.request.cseq++; + this.request.setHeader("cseq", this.request.cseq + " REGISTER"); + this.request.extraHeaders = extraHeaders; + this.send(); + }; + RegisterContext.prototype.unregistered = function (response, cause) { + this.registered = false; + this.emit("unregistered", response || undefined, cause || undefined); + }; + RegisterContext.prototype.send = function () { + var _this = this; + this.ua.userAgentCore.register(this.request, { + onAccept: function (response) { return _this.receiveResponse(response.message); }, + onProgress: function (response) { return _this.receiveResponse(response.message); }, + onRedirect: function (response) { return _this.receiveResponse(response.message); }, + onReject: function (response) { return _this.receiveResponse(response.message); }, + onTrying: function (response) { return _this.receiveResponse(response.message); } + }); + return this; + }; + RegisterContext.prototype.registrationFailure = function (response, cause) { + this.emit("failed", response || undefined, cause || undefined); + }; + RegisterContext.prototype.onTransportDisconnected = function () { + this.registeredBefore = this.registered; + if (this.registrationTimer !== undefined) { + clearTimeout(this.registrationTimer); + this.registrationTimer = undefined; + } + if (this.registrationExpiredTimer !== undefined) { + clearTimeout(this.registrationExpiredTimer); + this.registrationExpiredTimer = undefined; + } + if (this.registered) { + this.unregistered(undefined, Constants_1.C.causes.CONNECTION_ERROR); + } + }; + /** + * Helper Function to generate Contact Header + * @private + * returns {String} + */ + RegisterContext.prototype.generateContactHeader = function (expires) { + if (expires === void 0) { expires = 0; } + var contact = this.contact; + if (this.options.regId && this.options.instanceId) { + contact += ";reg-id=" + this.options.regId; + contact += ';+sip.instance=""'; + } + if (this.options.extraContactHeaderParams) { + this.options.extraContactHeaderParams.forEach(function (header) { + contact += ";" + header; + }); + } + contact += ";expires=" + expires; + return contact; + }; + return RegisterContext; +}(ClientContext_1.ClientContext)); +exports.RegisterContext = RegisterContext; + + +/***/ }), +/* 90 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var ClientContext_1 = __webpack_require__(79); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var ReferContext_1 = __webpack_require__(87); +var ServerContext_1 = __webpack_require__(88); +var DTMF_1 = __webpack_require__(91); +var Utils_1 = __webpack_require__(83); +/* + * @param {function returning SIP.sessionDescriptionHandler} [sessionDescriptionHandlerFactory] + * (See the documentation for the sessionDescriptionHandlerFactory argument of the UA constructor.) + */ +var Session = /** @class */ (function (_super) { + tslib_1.__extends(Session, _super); + function Session(sessionDescriptionHandlerFactory) { + var _this = _super.call(this) || this; + _this.data = {}; + _this.type = Enums_1.TypeStrings.Session; + if (!sessionDescriptionHandlerFactory) { + throw new Exceptions_1.Exceptions.SessionDescriptionHandlerError("A session description handler is required for the session to function"); + } + _this.status = Session.C.STATUS_NULL; + _this.pendingReinvite = false; + _this.sessionDescriptionHandlerFactory = sessionDescriptionHandlerFactory; + _this.hasOffer = false; + _this.hasAnswer = false; + // Session Timers + _this.timers = { + ackTimer: undefined, + expiresTimer: undefined, + invite2xxTimer: undefined, + userNoAnswerTimer: undefined, + rel1xxTimer: undefined, + prackTimer: undefined + }; + // Session info + _this.startTime = undefined; + _this.endTime = undefined; + _this.tones = undefined; + // Hold state + _this.localHold = false; + _this.earlySdp = undefined; + _this.rel100 = Constants_1.C.supported.UNSUPPORTED; + return _this; + } + Session.prototype.dtmf = function (tones, options) { + var _this = this; + if (options === void 0) { options = {}; } + // Check Session Status + if (this.status !== Enums_1.SessionStatus.STATUS_CONFIRMED && this.status !== Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + // Check tones + if (!tones || !tones.toString().match(/^[0-9A-D#*,]+$/i)) { + throw new TypeError("Invalid tones: " + tones); + } + var sendDTMF = function () { + if (_this.status === Enums_1.SessionStatus.STATUS_TERMINATED || !_this.tones || _this.tones.length === 0) { + // Stop sending DTMF + _this.tones = undefined; + return; + } + var dtmf = _this.tones.shift(); + var timeout; + if (dtmf.tone === ",") { + timeout = 2000; + } + else { + dtmf.on("failed", function () { _this.tones = undefined; }); + dtmf.send(options); + timeout = dtmf.duration + dtmf.interToneGap; + } + // Set timeout for the next tone + setTimeout(sendDTMF, timeout); + }; + tones = tones.toString(); + var dtmfType = this.ua.configuration.dtmfType; + if (this.sessionDescriptionHandler && dtmfType === Constants_1.C.dtmfType.RTP) { + var sent = this.sessionDescriptionHandler.sendDtmf(tones, options); + if (!sent) { + this.logger.warn("Attempt to use dtmfType 'RTP' has failed, falling back to INFO packet method"); + dtmfType = Constants_1.C.dtmfType.INFO; + } + } + if (dtmfType === Constants_1.C.dtmfType.INFO) { + var dtmfs = []; + var tonesArray = tones.split(""); + while (tonesArray.length > 0) { + dtmfs.push(new DTMF_1.DTMF(this, tonesArray.shift(), options)); + } + if (this.tones) { + // Tones are already queued, just add to the queue + this.tones = this.tones.concat(dtmfs); + return this; + } + this.tones = dtmfs; + sendDTMF(); + } + return this; + }; + Session.prototype.bye = function (options) { + if (options === void 0) { options = {}; } + // Check Session Status + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + this.logger.error("Error: Attempted to send BYE in a terminated session."); + return this; + } + this.logger.log("terminating Session"); + var statusCode = options.statusCode; + if (statusCode && (statusCode < 200 || statusCode >= 700)) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + options.receiveResponse = function () { }; + return this.sendRequest(Constants_1.C.BYE, options).terminated(); + }; + Session.prototype.refer = function (target, options) { + if (options === void 0) { options = {}; } + // Check Session Status + if (this.status !== Enums_1.SessionStatus.STATUS_CONFIRMED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + this.referContext = new ReferContext_1.ReferClientContext(this.ua, this, target, options); + this.emit("referRequested", this.referContext); + this.referContext.refer(options); + return this.referContext; + }; + /** + * Sends in dialog request. + * @param method Request method. + * @param options Options bucket. + */ + Session.prototype.sendRequest = function (method, options) { + if (options === void 0) { options = {}; } + if (!this.session) { + throw new Error("Session undefined."); + } + // Convert any "body" option to a Body. + if (options.body) { + options.body = Utils_1.Utils.fromBodyObj(options.body); + } + // Convert any "receiveResponse" callback option passed to an OutgoingRequestDelegate. + var delegate; + var callback = options.receiveResponse; + if (callback) { + delegate = { + onAccept: function (response) { return callback(response.message); }, + onProgress: function (response) { return callback(response.message); }, + onRedirect: function (response) { return callback(response.message); }, + onReject: function (response) { return callback(response.message); }, + onTrying: function (response) { return callback(response.message); } + }; + } + var request; + var requestOptions = options; + switch (method) { + case Constants_1.C.BYE: + request = this.session.bye(delegate, requestOptions); + break; + case Constants_1.C.INVITE: + request = this.session.invite(delegate, requestOptions); + break; + case Constants_1.C.REFER: + request = this.session.refer(delegate, requestOptions); + break; + default: + throw new Error("Unexpected " + method + ". Method not implemented by user agent core."); + } + // Ported - Emit the request event + this.emit(method.toLowerCase(), request.message); + return this; + }; + Session.prototype.close = function () { + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return this; + } + this.logger.log("closing INVITE session " + this.id); + // 1st Step. Terminate media. + if (this.sessionDescriptionHandler) { + this.sessionDescriptionHandler.close(); + } + // 2nd Step. Terminate signaling. + // Clear session timers + for (var timer in this.timers) { + if (this.timers[timer]) { + clearTimeout(this.timers[timer]); + } + } + this.status = Enums_1.SessionStatus.STATUS_TERMINATED; + if (this.ua.transport) { + this.ua.transport.removeListener("transportError", this.errorListener); + } + delete this.ua.sessions[this.id]; + return this; + }; + Session.prototype.mute = function(options) { + var pc = this.sessionDescriptionHandler.peerConnection; + if(pc.getSenders) { + pc.getSenders().forEach( function(sender) { + if(sender.track) { + sender.track.enabled = false; + } + }); + } else { + pc.getLocalStreams().forEach(function (stream) { + stream.getAudioTracks().forEach(function (track) { + track.enabled = false; + }); + stream.getVideoTracks().forEach(function (track) { + track.enabled = false; + }); + }); + } + this.emit("muted"); + }; + Session.prototype.unmute = function(options) { + var pc = this.sessionDescriptionHandler.peerConnection; + if (pc.getSenders) { + pc.getSenders().forEach(function (sender) { + if (sender.track) { + sender.track.enabled = true; + } + }); + } else { + pc.getLocalStreams().forEach(function (stream) { + stream.getAudioTracks().forEach(function (track) { + track.enabled = true; + }); + stream.getVideoTracks().forEach(function (track) { + track.enabled = true; + }); + }); + } + this.emit("unmuted"); + }; + Session.prototype.hold = function (options, modifiers) { + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + if (this.status !== Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK && this.status !== Enums_1.SessionStatus.STATUS_CONFIRMED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + if (this.localHold) { + this.logger.log("Session is already on hold, cannot put it on hold again"); + return; + } + options.modifiers = modifiers; + if (this.sessionDescriptionHandler) { + options.modifiers.push(this.sessionDescriptionHandler.holdModifier); + } + this.localHold = true; + this.sendReinvite(options); + this.emit("hold"); + }; + Session.prototype.unhold = function (options, modifiers) { + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + if (this.status !== Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK && this.status !== Enums_1.SessionStatus.STATUS_CONFIRMED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + if (!this.localHold) { + this.logger.log("Session is not on hold, cannot unhold it"); + return; + } + options.modifiers = modifiers; + this.localHold = false; + this.sendReinvite(options); + this.emit("unhold"); + }; + Session.prototype.reinvite = function (options, modifiers) { + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + options.modifiers = modifiers; + return this.sendReinvite(options); + }; + Session.prototype.terminate = function (options) { + // here for types and to be overridden + return this; + }; + Session.prototype.onTransportError = function () { + if (this.status !== Enums_1.SessionStatus.STATUS_CONFIRMED && this.status !== Enums_1.SessionStatus.STATUS_TERMINATED) { + this.failed(undefined, Constants_1.C.causes.CONNECTION_ERROR); + } + }; + Session.prototype.onRequestTimeout = function () { + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.terminated(undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + } + else if (this.status !== Enums_1.SessionStatus.STATUS_TERMINATED) { + this.failed(undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + this.terminated(undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + } + }; + Session.prototype.onDialogError = function (response) { + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.terminated(response, Constants_1.C.causes.DIALOG_ERROR); + } + else if (this.status !== Enums_1.SessionStatus.STATUS_TERMINATED) { + this.failed(response, Constants_1.C.causes.DIALOG_ERROR); + this.terminated(response, Constants_1.C.causes.DIALOG_ERROR); + } + }; + Session.prototype.on = function (name, callback) { + return _super.prototype.on.call(this, name, callback); + }; + Session.prototype.onAck = function (incomingRequest) { + var _this = this; + var confirmSession = function () { + clearTimeout(_this.timers.ackTimer); + clearTimeout(_this.timers.invite2xxTimer); + _this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + var contentDisp = incomingRequest.message.getHeader("Content-Disposition"); + if (contentDisp && contentDisp.type === "render") { + _this.renderbody = incomingRequest.message.body; + _this.rendertype = incomingRequest.message.getHeader("Content-Type"); + } + _this.emit("confirmed", incomingRequest.message); + }; + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK) { + if (this.sessionDescriptionHandler && + this.sessionDescriptionHandler.hasDescription(incomingRequest.message.getHeader("Content-Type") || "")) { + this.hasAnswer = true; + this.sessionDescriptionHandler.setDescription(incomingRequest.message.body, this.sessionDescriptionHandlerOptions, this.modifiers).catch(function (e) { + _this.logger.warn(e); + _this.terminate({ + statusCode: "488", + reasonPhrase: "Bad Media Description" + }); + _this.failed(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + _this.terminated(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + throw e; + }).then(function () { return confirmSession(); }); + } + else { + confirmSession(); + } + } + }; + Session.prototype.receiveRequest = function (incomingRequest) { + switch (incomingRequest.message.method) { // TODO: This needs a default case + case Constants_1.C.BYE: + incomingRequest.accept(); + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.emit("bye", incomingRequest.message); + this.terminated(incomingRequest.message, Constants_1.C.BYE); + } + break; + case Constants_1.C.INVITE: + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.logger.log("re-INVITE received"); + this.receiveReinvite(incomingRequest); + } + break; + case Constants_1.C.INFO: + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED || this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK) { + if (this.onInfo) { + return this.onInfo(incomingRequest.message); + } + var contentType = incomingRequest.message.getHeader("content-type"); + if (contentType) { + if (contentType.match(/^application\/dtmf-relay/i)) { + if (incomingRequest.message.body) { + var body = incomingRequest.message.body.split("\r\n", 2); + if (body.length === 2) { + var tone = void 0; + var duration = void 0; + var regTone = /^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/; + if (regTone.test(body[0])) { + tone = body[0].replace(regTone, "$2"); + } + var regDuration = /^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/; + if (regDuration.test(body[1])) { + duration = parseInt(body[1].replace(regDuration, "$2"), 10); + } + if (tone && duration) { + new DTMF_1.DTMF(this, tone, { duration: duration }).init_incoming(incomingRequest); + } + } + } + } + else { + incomingRequest.reject({ + statusCode: 415, + extraHeaders: ["Accept: application/dtmf-relay"] + }); + } + } + } + break; + case Constants_1.C.REFER: + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.logger.log("REFER received"); + this.referContext = new ReferContext_1.ReferServerContext(this.ua, incomingRequest, this.session); + if (this.listeners("referRequested").length) { + this.emit("referRequested", this.referContext); + } + else { + this.logger.log("No referRequested listeners, automatically accepting and following the refer"); + var options = { followRefer: true }; + if (this.passedOptions) { + options.inviteOptions = this.passedOptions; + } + this.referContext.accept(options, this.modifiers); + } + } + break; + case Constants_1.C.NOTIFY: + if (this.referContext && + this.referContext.type === Enums_1.TypeStrings.ReferClientContext && + incomingRequest.message.hasHeader("event") && + /^refer(;.*)?$/.test(incomingRequest.message.getHeader("event"))) { + this.referContext.receiveNotify(incomingRequest); + return; + } + incomingRequest.accept(); + this.emit("notify", incomingRequest.message); + break; + } + }; + // In dialog INVITE Reception + Session.prototype.receiveReinvite = function (incomingRequest) { + // TODO: Should probably check state of the session + var _this = this; + this.emit("reinvite", this, incomingRequest.message); + if (incomingRequest.message.hasHeader("P-Asserted-Identity")) { + this.assertedIdentity = + core_1.Grammar.nameAddrHeaderParse(incomingRequest.message.getHeader("P-Asserted-Identity")); + } + var promise; + if (!this.sessionDescriptionHandler) { + this.logger.warn("No SessionDescriptionHandler to reinvite"); + return; + } + if (incomingRequest.message.getHeader("Content-Length") === "0" && + !incomingRequest.message.getHeader("Content-Type")) { // Invite w/o SDP + promise = this.sessionDescriptionHandler.getDescription(this.sessionDescriptionHandlerOptions, this.modifiers); + } + else if (this.sessionDescriptionHandler.hasDescription(incomingRequest.message.getHeader("Content-Type") || "")) { + // Invite w/ SDP + promise = this.sessionDescriptionHandler.setDescription(incomingRequest.message.body, this.sessionDescriptionHandlerOptions, this.modifiers).then(this.sessionDescriptionHandler.getDescription.bind(this.sessionDescriptionHandler, this.sessionDescriptionHandlerOptions, this.modifiers)); + } + else { // Bad Packet (should never get hit) + incomingRequest.reject({ statusCode: 415 }); + this.emit("reinviteFailed", this); + return; + } + promise.catch(function (e) { + var statusCode; + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + statusCode = 500; + } + else if (e.type === Enums_1.TypeStrings.RenegotiationError) { + _this.emit("renegotiationError", e); + _this.logger.warn(e.toString()); + statusCode = 488; + } + else { + _this.logger.error(e); + statusCode = 488; + } + incomingRequest.reject({ statusCode: statusCode }); + _this.emit("reinviteFailed", _this); + // TODO: This could be better + throw e; + }).then(function (description) { + var extraHeaders = ["Contact: " + _this.contact]; + incomingRequest.accept({ + statusCode: 200, + extraHeaders: extraHeaders, + body: Utils_1.Utils.fromBodyObj(description) + }); + _this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK; + _this.emit("reinviteAccepted", _this); + }); + }; + Session.prototype.sendReinvite = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + if (this.pendingReinvite) { + this.logger.warn("Reinvite in progress. Please wait until complete, then try again."); + return; + } + if (!this.sessionDescriptionHandler) { + this.logger.warn("No SessionDescriptionHandler, can't reinvite.."); + return; + } + this.pendingReinvite = true; + options.modifiers = options.modifiers || []; + var extraHeaders = (options.extraHeaders || []).slice(); + extraHeaders.push("Contact: " + this.contact); + // this is UA.C.ALLOWED_METHODS, removed to get around circular dependency + extraHeaders.push("Allow: " + [ + "ACK", + "CANCEL", + "INVITE", + "MESSAGE", + "BYE", + "OPTIONS", + "INFO", + "NOTIFY", + "REFER" + ].toString()); + this.sessionDescriptionHandler.getDescription(options.sessionDescriptionHandlerOptions, options.modifiers) + .then(function (description) { + if (!_this.session) { + throw new Error("Session undefined."); + } + var delegate = { + onAccept: function (response) { + if (_this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + _this.logger.error("Received reinvite response, but in STATUS_TERMINATED"); + // TODO: Do we need to send a SIP response? + return; + } + if (!_this.pendingReinvite) { + _this.logger.error("Received reinvite response, but have no pending reinvite"); + // TODO: Do we need to send a SIP response? + return; + } + // FIXME: Why is this set here? + _this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + // 17.1.1.1 - For each final response that is received at the client transaction, + // the client transaction sends an ACK, + _this.emit("ack", response.ack()); + _this.pendingReinvite = false; + // TODO: All of these timers should move into the Transaction layer + clearTimeout(_this.timers.invite2xxTimer); + if (!_this.sessionDescriptionHandler || + !_this.sessionDescriptionHandler.hasDescription(response.message.getHeader("Content-Type") || "")) { + _this.logger.error("2XX response received to re-invite but did not have a description"); + _this.emit("reinviteFailed", _this); + _this.emit("renegotiationError", new Exceptions_1.Exceptions.RenegotiationError("2XX response received to re-invite but did not have a description")); + return; + } + _this.sessionDescriptionHandler + .setDescription(response.message.body, _this.sessionDescriptionHandlerOptions, _this.modifiers) + .catch(function (e) { + _this.logger.error("Could not set the description in 2XX response"); + _this.logger.error(e); + _this.emit("reinviteFailed", _this); + _this.emit("renegotiationError", e); + _this.sendRequest(Constants_1.C.BYE, { + extraHeaders: ["Reason: " + Utils_1.Utils.getReasonHeaderValue(488, "Not Acceptable Here")] + }); + _this.terminated(undefined, Constants_1.C.causes.INCOMPATIBLE_SDP); + throw e; + }) + .then(function () { + _this.emit("reinviteAccepted", _this); + }); + }, + onProgress: function (response) { + return; + }, + onRedirect: function (response) { + // FIXME: Does ACK need to be sent? + _this.pendingReinvite = false; + _this.logger.log("Received a non 1XX or 2XX response to a re-invite"); + _this.emit("reinviteFailed", _this); + _this.emit("renegotiationError", new Exceptions_1.Exceptions.RenegotiationError("Invalid response to a re-invite")); + }, + onReject: function (response) { + // FIXME: Does ACK need to be sent? + _this.pendingReinvite = false; + _this.logger.log("Received a non 1XX or 2XX response to a re-invite"); + _this.emit("reinviteFailed", _this); + _this.emit("renegotiationError", new Exceptions_1.Exceptions.RenegotiationError("Invalid response to a re-invite")); + }, + onTrying: function (response) { + return; + } + }; + var requestOptions = { + extraHeaders: extraHeaders, + body: Utils_1.Utils.fromBodyObj(description) + }; + _this.session.invite(delegate, requestOptions); + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.RenegotiationError) { + _this.pendingReinvite = false; + _this.emit("renegotiationError", e); + _this.logger.warn("Renegotiation Error"); + _this.logger.warn(e.toString()); + throw e; + } + _this.logger.error("sessionDescriptionHandler error"); + _this.logger.error(e); + throw e; + }); + }; + Session.prototype.failed = function (response, cause) { + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return this; + } + this.emit("failed", response, cause); + return this; + }; + Session.prototype.rejected = function (response, cause) { + this.emit("rejected", response, cause); + return this; + }; + Session.prototype.canceled = function () { + if (this.sessionDescriptionHandler) { + this.sessionDescriptionHandler.close(); + } + this.emit("cancel"); + return this; + }; + Session.prototype.accepted = function (response, cause) { + if (!(response instanceof String)) { + cause = Utils_1.Utils.getReasonPhrase((response && response.statusCode) || 0, cause); + } + this.startTime = new Date(); + if (this.replacee) { + this.replacee.emit("replaced", this); + this.replacee.terminate(); + } + this.emit("accepted", response, cause); + return this; + }; + Session.prototype.terminated = function (message, cause) { + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return this; + } + this.endTime = new Date(); + this.close(); + this.emit("terminated", message, cause); + return this; + }; + Session.prototype.connecting = function (request) { + this.emit("connecting", { request: request }); + return this; + }; + Session.C = Enums_1.SessionStatus; + return Session; +}(events_1.EventEmitter)); +exports.Session = Session; +// tslint:disable-next-line:max-classes-per-file +var InviteServerContext = /** @class */ (function (_super) { + tslib_1.__extends(InviteServerContext, _super); + function InviteServerContext(ua, incomingInviteRequest) { + var _this = this; + if (!ua.configuration.sessionDescriptionHandlerFactory) { + ua.logger.warn("Can't build ISC without SDH Factory"); + throw new Error("ISC Constructor Failed"); + } + _this = _super.call(this, ua.configuration.sessionDescriptionHandlerFactory) || this; + _this._canceled = false; + _this.rseq = Math.floor(Math.random() * 10000); + _this.incomingRequest = incomingInviteRequest; + var request = incomingInviteRequest.message; + ServerContext_1.ServerContext.initializer(_this, ua, incomingInviteRequest); + _this.type = Enums_1.TypeStrings.InviteServerContext; + var contentDisp = request.parseHeader("Content-Disposition"); + if (contentDisp && contentDisp.type === "render") { + _this.renderbody = request.body; + _this.rendertype = request.getHeader("Content-Type"); + } + _this.status = Enums_1.SessionStatus.STATUS_INVITE_RECEIVED; + _this.fromTag = request.fromTag; + _this.id = request.callId + _this.fromTag; + _this.request = request; + _this.contact = _this.ua.contact.toString(); + _this.logger = ua.getLogger("sip.inviteservercontext", _this.id); + // Save the session into the ua sessions collection. + _this.ua.sessions[_this.id] = _this; + // Set 100rel if necessary + var set100rel = function (header, relSetting) { + if (request.hasHeader(header) && request.getHeader(header).toLowerCase().indexOf("100rel") >= 0) { + _this.rel100 = relSetting; + } + }; + set100rel("require", Constants_1.C.supported.REQUIRED); + set100rel("supported", Constants_1.C.supported.SUPPORTED); + // Set the toTag on the incoming request to the toTag which + // will be used in the response to the incoming request!!! + // FIXME: HACK: This is a hack to port an existing behavior. + // The behavior being ported appears to be a hack itself, + // so this is a hack to port a hack. At least one test spec + // relies on it (which is yet another hack). + _this.request.toTag = incomingInviteRequest.toTag; + _this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER; + // Set userNoAnswerTimer + _this.timers.userNoAnswerTimer = setTimeout(function () { + incomingInviteRequest.reject({ statusCode: 408 }); + _this.failed(request, Constants_1.C.causes.NO_ANSWER); + _this.terminated(request, Constants_1.C.causes.NO_ANSWER); + }, _this.ua.configuration.noAnswerTimeout || 60); + /* Set expiresTimer + * RFC3261 13.3.1 + */ + // Get the Expires header value if exists + if (request.hasHeader("expires")) { + var expires = Number(request.getHeader("expires") || 0) * 1000; + _this.timers.expiresTimer = setTimeout(function () { + if (_this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER) { + incomingInviteRequest.reject({ statusCode: 487 }); + _this.failed(request, Constants_1.C.causes.EXPIRES); + _this.terminated(request, Constants_1.C.causes.EXPIRES); + } + }, expires); + } + _this.errorListener = _this.onTransportError.bind(_this); + if (ua.transport) { + ua.transport.on("transportError", _this.errorListener); + } + return _this; + } + Object.defineProperty(InviteServerContext.prototype, "autoSendAnInitialProvisionalResponse", { + /** + * If true, a first provisional response after the 100 Trying + * will be sent automatically. This is false it the UAC required + * reliable provisional responses (100rel in Require header), + * otherwise it is true. The provisional is sent by calling + * `progress()` without any options. + * + * FIXME: TODO: It seems reasonable that the ISC user should + * be able to optionally disable this behavior. As the provisional + * is sent prior to the "invite" event being emitted, it's a known + * issue that the ISC user cannot register listeners or do any other + * setup prior to the call to `progress()`. As an example why this is + * an issue, setting `ua.configuration.rel100` to REQUIRED will result + * in an attempt by `progress()` to send a 183 with SDP produced by + * calling `getDescription()` on a session description handler, but + * the ISC user cannot perform any potentially required session description + * handler initialization (thus preventing the utilization of setting + * `ua.configuration.rel100` to REQUIRED). That begs the question of + * why this behavior is disabled when the UAC requires 100rel but not + * when the UAS requires 100rel? But ignoring that, it's just one example + * of a class of cases where the ISC user needs to do something prior + * to the first call to `progress()` and is unable to do so. + */ + get: function () { + return this.rel100 === Constants_1.C.supported.REQUIRED ? false : true; + }, + enumerable: true, + configurable: true + }); + // type hack for servercontext interface + InviteServerContext.prototype.reply = function (options) { + if (options === void 0) { options = {}; } + return this; + }; + // typing note: this was the only function using its super in ServerContext + // so the bottom half of this function is copied and paired down from that + InviteServerContext.prototype.reject = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + // Check Session Status + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + this.logger.log("rejecting RTCSession"); + var statusCode = options.statusCode || 480; + var reasonPhrase = Utils_1.Utils.getReasonPhrase(statusCode, options.reasonPhrase); + var extraHeaders = options.extraHeaders || []; + if (statusCode < 300 || statusCode > 699) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + var body = options.body ? core_1.fromBodyLegacy(options.body) : undefined; + // FIXME: Need to redirect to someplae + var response = statusCode < 400 ? + this.incomingRequest.redirect([], { statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }) : + this.incomingRequest.reject({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); + (["rejected", "failed"]).forEach(function (event) { + _this.emit(event, response.message, reasonPhrase); + }); + return this.terminated(); + }; + /** + * Accept the incoming INVITE request to start a Session. + * Replies to the INVITE request with a 200 Ok response. + * @param options Options bucket. + */ + InviteServerContext.prototype.accept = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + // FIXME: Need guard against calling more than once. + this._accept(options) + .then(function (_a) { + var message = _a.message, session = _a.session; + session.delegate = { + onAck: function (ackRequest) { return _this.onAck(ackRequest); }, + onAckTimeout: function () { return _this.onAckTimeout(); }, + onBye: function (byeRequest) { return _this.receiveRequest(byeRequest); }, + onInfo: function (infoRequest) { return _this.receiveRequest(infoRequest); }, + onInvite: function (inviteRequest) { return _this.receiveRequest(inviteRequest); }, + onNotify: function (notifyRequest) { return _this.receiveRequest(notifyRequest); }, + onPrack: function (prackRequest) { return _this.receiveRequest(prackRequest); }, + onRefer: function (referRequest) { return _this.receiveRequest(referRequest); } + }; + _this.session = session; + _this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK; + _this.accepted(message, Utils_1.Utils.getReasonPhrase(200)); + }) + .catch(function (error) { + _this.onContextError(error); + // FIXME: Assuming error due to async race on CANCEL and eating error. + if (!_this._canceled) { + throw error; + } + }); + return this; + }; + /** + * Report progress to the the caller. + * Replies to the INVITE request with a 1xx provisional response. + * @param options Options bucket. + */ + InviteServerContext.prototype.progress = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + // Ported + var statusCode = options.statusCode || 180; + if (statusCode < 100 || statusCode > 199) { + throw new TypeError("Invalid statusCode: " + statusCode); + } + // Ported + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + this.logger.warn("Unexpected call for progress while terminated, ignoring"); + return this; + } + // Added + if (this.status === Enums_1.SessionStatus.STATUS_ANSWERED) { + this.logger.warn("Unexpected call for progress while answered, ignoring"); + return this; + } + // Added + if (this.status === Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK) { + this.logger.warn("Unexpected call for progress while answered (waiting for prack), ignoring"); + return this; + } + // After the first reliable provisional response for a request has been + // acknowledged, the UAS MAY send additional reliable provisional + // responses. The UAS MUST NOT send a second reliable provisional + // response until the first is acknowledged. After the first, it is + // RECOMMENDED that the UAS not send an additional reliable provisional + // response until the previous is acknowledged. The first reliable + // provisional response receives special treatment because it conveys + // the initial sequence number. If additional reliable provisional + // responses were sent before the first was acknowledged, the UAS could + // not be certain these were received in order. + // https://tools.ietf.org/html/rfc3262#section-3 + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK) { + this.logger.warn("Unexpected call for progress while waiting for prack, ignoring"); + return this; + } + // Ported + if (options.statusCode === 100) { + try { + this.incomingRequest.trying(); + } + catch (error) { + this.onContextError(error); + // FIXME: Assuming error due to async race on CANCEL and eating error. + if (!this._canceled) { + throw error; + } + } + return this; + } + // Standard provisional response. + if (!(this.rel100 === Constants_1.C.supported.REQUIRED) && + !(this.rel100 === Constants_1.C.supported.SUPPORTED && options.rel100) && + !(this.rel100 === Constants_1.C.supported.SUPPORTED && this.ua.configuration.rel100 === Constants_1.C.supported.REQUIRED)) { + this._progress(options) + .catch(function (error) { + _this.onContextError(error); + // FIXME: Assuming error due to async race on CANCEL and eating error. + if (!_this._canceled) { + throw error; + } + }); + return this; + } + // Reliable provisional response. + this._reliableProgressWaitForPrack(options) + .catch(function (error) { + _this.onContextError(error); + // FIXME: Assuming error due to async race on CANCEL and eating error. + if (!_this._canceled) { + throw error; + } + }); + return this; + }; + /** + * Reject an unaccepted incoming INVITE request or send BYE if established session. + * @param options Options bucket. FIXME: This options bucket needs to be typed. + */ + InviteServerContext.prototype.terminate = function (options) { + // The caller's UA MAY send a BYE for either confirmed or early dialogs, + // and the callee's UA MAY send a BYE on confirmed dialogs, but MUST NOT + // send a BYE on early dialogs. However, the callee's UA MUST NOT send a + // BYE on a confirmed dialog until it has received an ACK for its 2xx + // response or until the server transaction times out. + // https://tools.ietf.org/html/rfc3261#section-15 + var _this = this; + if (options === void 0) { options = {}; } + // We don't yet have a dialog, so reject request. + if (!this.session) { + this.reject(options); + return this; + } + switch (this.session.sessionState) { + case core_1.SessionState.Initial: + this.reject(options); + return this; + case core_1.SessionState.Early: + this.reject(options); + return this; + case core_1.SessionState.AckWait: + this.session.delegate = { + // When ACK shows up, say BYE. + onAck: function () { + _this.sendRequest(Constants_1.C.BYE, options); + }, + // Or the server transaction times out before the ACK arrives. + onAckTimeout: function () { + _this.sendRequest(Constants_1.C.BYE, options); + } + }; + // Ported + this.emit("bye", this.request); + this.terminated(); + return this; + case core_1.SessionState.Confirmed: + this.bye(options); + return this; + case core_1.SessionState.Terminated: + return this; + default: + return this; + } + }; + InviteServerContext.prototype.onCancel = function (message) { + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER || + this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK || + this.status === Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK || + this.status === Enums_1.SessionStatus.STATUS_EARLY_MEDIA || + this.status === Enums_1.SessionStatus.STATUS_ANSWERED) { + this.status = Enums_1.SessionStatus.STATUS_CANCELED; + this.incomingRequest.reject({ statusCode: 487 }); + this.canceled(); + this.rejected(message, Constants_1.C.causes.CANCELED); + this.failed(message, Constants_1.C.causes.CANCELED); + this.terminated(message, Constants_1.C.causes.CANCELED); + } + }; + InviteServerContext.prototype.receiveRequest = function (incomingRequest) { + var _this = this; + switch (incomingRequest.message.method) { + case Constants_1.C.PRACK: + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK || + this.status === Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK) { + if (!this.hasAnswer) { + this.sessionDescriptionHandler = this.setupSessionDescriptionHandler(); + this.emit("SessionDescriptionHandler-created", this.sessionDescriptionHandler); + if (this.sessionDescriptionHandler.hasDescription(incomingRequest.message.getHeader("Content-Type") || "")) { + this.hasAnswer = true; + this.sessionDescriptionHandler.setDescription(incomingRequest.message.body, this.sessionDescriptionHandlerOptions, this.modifiers).then(function () { + clearTimeout(_this.timers.rel1xxTimer); + clearTimeout(_this.timers.prackTimer); + incomingRequest.accept(); + if (_this.status === Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK) { + _this.status = Enums_1.SessionStatus.STATUS_EARLY_MEDIA; + _this.accept(); + } + _this.status = Enums_1.SessionStatus.STATUS_EARLY_MEDIA; + }, function (e) { + _this.logger.warn(e); + _this.terminate({ + statusCode: "488", + reasonPhrase: "Bad Media Description" + }); + _this.failed(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + _this.terminated(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + }); + } + else { + this.terminate({ + statusCode: "488", + reasonPhrase: "Bad Media Description" + }); + this.failed(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + this.terminated(incomingRequest.message, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + } + } + else { + clearTimeout(this.timers.rel1xxTimer); + clearTimeout(this.timers.prackTimer); + incomingRequest.accept(); + if (this.status === Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK) { + this.status = Enums_1.SessionStatus.STATUS_EARLY_MEDIA; + this.accept(); + } + this.status = Enums_1.SessionStatus.STATUS_EARLY_MEDIA; + } + } + else if (this.status === Enums_1.SessionStatus.STATUS_EARLY_MEDIA) { + incomingRequest.accept(); + } + break; + default: + _super.prototype.receiveRequest.call(this, incomingRequest); + break; + } + }; + // Internal Function to setup the handler consistently + InviteServerContext.prototype.setupSessionDescriptionHandler = function () { + if (this.sessionDescriptionHandler) { + return this.sessionDescriptionHandler; + } + return this.sessionDescriptionHandlerFactory(this, this.ua.configuration.sessionDescriptionHandlerFactoryOptions); + }; + InviteServerContext.prototype.generateResponseOfferAnswer = function (options) { + if (!this.session) { + var body = core_1.getBody(this.incomingRequest.message); + if (!body || body.contentDisposition !== "session") { + return this.getOffer(options); + } + else { + return this.setOfferAndGetAnswer(body, options); + } + } + else { + switch (this.session.signalingState) { + case core_1.SignalingState.Initial: + return this.getOffer(options); + case core_1.SignalingState.Stable: + return Promise.resolve(undefined); + case core_1.SignalingState.HaveLocalOffer: + // o Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + return Promise.resolve(undefined); + case core_1.SignalingState.HaveRemoteOffer: + if (!this.session.offer) { + throw new Error("Session offer undefined"); + } + return this.setOfferAndGetAnswer(this.session.offer, options); + case core_1.SignalingState.Closed: + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + default: + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + } + } + }; + InviteServerContext.prototype.handlePrackOfferAnswer = function (request, options) { + if (!this.session) { + throw new Error("Session undefined."); + } + // If the PRACK doesn't have an offer/answer, nothing to be done. + var body = core_1.getBody(request.message); + if (!body || body.contentDisposition !== "session") { + return Promise.resolve(undefined); + } + // If the UAC receives a reliable provisional response with an offer + // (this would occur if the UAC sent an INVITE without an offer, in + // which case the first reliable provisional response will contain the + // offer), it MUST generate an answer in the PRACK. If the UAC receives + // a reliable provisional response with an answer, it MAY generate an + // additional offer in the PRACK. If the UAS receives a PRACK with an + // offer, it MUST place the answer in the 2xx to the PRACK. + // https://tools.ietf.org/html/rfc3262#section-5 + switch (this.session.signalingState) { + case core_1.SignalingState.Initial: + // State should never be reached as first reliable provisional response must have answer/offer. + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + case core_1.SignalingState.Stable: + // Receved answer. + return this.setAnswer(body, options).then(function () { return undefined; }); + case core_1.SignalingState.HaveLocalOffer: + // State should never be reached as local offer would be answered by this PRACK + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + case core_1.SignalingState.HaveRemoteOffer: + // Receved offer, generate answer. + return this.setOfferAndGetAnswer(body, options); + case core_1.SignalingState.Closed: + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + default: + throw new Error("Invalid signaling state " + this.session.signalingState + "."); + } + }; + /** + * Called when session canceled. + */ + InviteServerContext.prototype.canceled = function () { + this._canceled = true; + return _super.prototype.canceled.call(this); + }; + /** + * Called when session terminated. + * Using it here just for the PRACK timeout. + */ + InviteServerContext.prototype.terminated = function (message, cause) { + this.prackNeverArrived(); + return _super.prototype.terminated.call(this, message, cause); + }; + /** + * A version of `accept` which resolves a session when the 200 Ok response is sent. + * @param options Options bucket. + * @throws {ClosedSessionDescriptionHandlerError} The session description handler closed before method completed. + * @throws {TransactionStateError} The transaction state does not allow for `accept()` to be called. + * Note that the transaction state can change while this call is in progress. + */ + InviteServerContext.prototype._accept = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + // FIXME: Ported - callback for in dialog INFO requests. + // Turns out accept() can be called more than once if we are waiting + // for a PRACK in which case "options" get completely tossed away. + // So this is broken in that case (and potentially other uses of options). + // Tempted to just try to fix it now, but leaving it broken for the moment. + this.onInfo = options.onInfo; + // The UAS MAY send a final response to the initial request before + // having received PRACKs for all unacknowledged reliable provisional + // responses, unless the final response is 2xx and any of the + // unacknowledged reliable provisional responses contained a session + // description. In that case, it MUST NOT send a final response until + // those provisional responses are acknowledged. If the UAS does send a + // final response when reliable responses are still unacknowledged, it + // SHOULD NOT continue to retransmit the unacknowledged reliable + // provisional responses, but it MUST be prepared to process PRACK + // requests for those outstanding responses. A UAS MUST NOT send new + // reliable provisional responses (as opposed to retransmissions of + // unacknowledged ones) after sending a final response to a request. + // https://tools.ietf.org/html/rfc3262#section-3 + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK) { + this.status = Enums_1.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK; + return this.waitForArrivalOfPrack() + .then(function () { + _this.status = Enums_1.SessionStatus.STATUS_ANSWERED; + clearTimeout(_this.timers.userNoAnswerTimer); // Ported + }) + .then(function () { return _this.generateResponseOfferAnswer(options); }) + .then(function (body) { return _this.incomingRequest.accept({ statusCode: 200, body: body }); }); + } + // Ported + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER) { + this.status = Enums_1.SessionStatus.STATUS_ANSWERED; + } + else { + return Promise.reject(new Exceptions_1.Exceptions.InvalidStateError(this.status)); + } + this.status = Enums_1.SessionStatus.STATUS_ANSWERED; + clearTimeout(this.timers.userNoAnswerTimer); // Ported + return this.generateResponseOfferAnswer(options) + .then(function (body) { return _this.incomingRequest.accept({ statusCode: 200, body: body }); }); + }; + /** + * A version of `progress` which resolves when the provisional response is sent. + * @param options Options bucket. + * @throws {ClosedSessionDescriptionHandlerError} The session description handler closed before method completed. + * @throws {TransactionStateError} The transaction state does not allow for `progress()` to be called. + * Note that the transaction state can change while this call is in progress. + */ + InviteServerContext.prototype._progress = function (options) { + if (options === void 0) { options = {}; } + // Ported + var statusCode = options.statusCode || 180; + var reasonPhrase = options.reasonPhrase; + var extraHeaders = (options.extraHeaders || []).slice(); + var body = options.body ? core_1.fromBodyLegacy(options.body) : undefined; + // The 183 (Session Progress) response is used to convey information + // about the progress of the call that is not otherwise classified. The + // Reason-Phrase, header fields, or message body MAY be used to convey + // more details about the call progress. + // https://tools.ietf.org/html/rfc3261#section-21.1.5 + // It is the de facto industry standard to utilize 183 with SDP to provide "early media". + // While it is unlikely someone would want to send a 183 without SDP, so it should be an option. + if (statusCode === 183 && !body) { + return this._progressWithSDP(options); + } + try { + var progressResponse = this.incomingRequest.progress({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); + this.emit("progress", progressResponse.message, reasonPhrase); // Ported + this.session = progressResponse.session; + return Promise.resolve(progressResponse); + } + catch (error) { + return Promise.reject(error); + } + }; + /** + * A version of `progress` which resolves when the provisional response with sdp is sent. + * @param options Options bucket. + * @throws {ClosedSessionDescriptionHandlerError} The session description handler closed before method completed. + * @throws {TransactionStateError} The transaction state does not allow for `progress()` to be called. + * Note that the transaction state can change while this call is in progress. + */ + InviteServerContext.prototype._progressWithSDP = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + var statusCode = options.statusCode || 183; + var reasonPhrase = options.reasonPhrase; + var extraHeaders = (options.extraHeaders || []).slice(); + // Get an offer/answer and send a reply. + return this.generateResponseOfferAnswer(options) + .then(function (body) { return _this.incomingRequest.progress({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); }) + .then(function (progressResponse) { + _this.emit("progress", progressResponse.message, reasonPhrase); // Ported + _this.session = progressResponse.session; + return progressResponse; + }); + }; + /** + * A version of `progress` which resolves when the reliable provisional response is sent. + * @param options Options bucket. + * @throws {ClosedSessionDescriptionHandlerError} The session description handler closed before method completed. + * @throws {TransactionStateError} The transaction state does not allow for `progress()` to be called. + * Note that the transaction state can change while this call is in progress. + */ + InviteServerContext.prototype._reliableProgress = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + var statusCode = options.statusCode || 183; + var reasonPhrase = options.reasonPhrase; + var extraHeaders = (options.extraHeaders || []).slice(); + extraHeaders.push("Require: 100rel"); + extraHeaders.push("RSeq: " + Math.floor(Math.random() * 10000)); + // Get an offer/answer and send a reply. + return this.generateResponseOfferAnswer(options) + .then(function (body) { return _this.incomingRequest.progress({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); }) + .then(function (progressResponse) { + _this.emit("progress", progressResponse.message, reasonPhrase); // Ported + _this.session = progressResponse.session; + return progressResponse; + }); + }; + /** + * A version of `progress` which resolves when the reliable provisional response is acknowledged. + * @param options Options bucket. + * @throws {ClosedSessionDescriptionHandlerError} The session description handler closed before method completed. + * @throws {TransactionStateError} The transaction state does not allow for `progress()` to be called. + * Note that the transaction state can change while this call is in progress. + */ + InviteServerContext.prototype._reliableProgressWaitForPrack = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + var statusCode = options.statusCode || 183; + var reasonPhrase = options.reasonPhrase; + var extraHeaders = (options.extraHeaders || []).slice(); + extraHeaders.push("Require: 100rel"); + extraHeaders.push("RSeq: " + this.rseq++); + var body; + // Ported - set status. + this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK; + return new Promise(function (resolve, reject) { + var waitingForPrack = true; + return _this.generateResponseOfferAnswer(options) + .then(function (offerAnswer) { + body = offerAnswer; + return _this.incomingRequest.progress({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); + }) + .then(function (progressResponse) { + _this.emit("progress", progressResponse.message, reasonPhrase); // Ported + _this.session = progressResponse.session; + var prackRequest; + var prackResponse; + progressResponse.session.delegate = { + onPrack: function (request) { + prackRequest = request; + clearTimeout(prackWaitTimeoutTimer); + clearTimeout(rel1xxRetransmissionTimer); + if (!waitingForPrack) { + return; + } + waitingForPrack = false; + _this.handlePrackOfferAnswer(prackRequest, options) + .then(function (prackResponseBody) { + try { + prackResponse = prackRequest.accept({ statusCode: 200, body: prackResponseBody }); + // Ported - set status. + if (_this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_PRACK) { + _this.status = Enums_1.SessionStatus.STATUS_WAITING_FOR_ANSWER; + } + _this.prackArrived(); + resolve({ prackRequest: prackRequest, prackResponse: prackResponse, progressResponse: progressResponse }); + } + catch (error) { + reject(error); + } + }); + } + }; + // https://tools.ietf.org/html/rfc3262#section-3 + var prackWaitTimeout = function () { + if (!waitingForPrack) { + return; + } + waitingForPrack = false; + _this.logger.warn("No PRACK received, rejecting INVITE."); + clearTimeout(rel1xxRetransmissionTimer); + try { + _this.incomingRequest.reject({ statusCode: 504 }); + _this.terminated(undefined, Constants_1.C.causes.NO_PRACK); + reject(new Exceptions_1.Exceptions.TerminatedSessionError()); + } + catch (error) { + reject(error); + } + }; + var prackWaitTimeoutTimer = setTimeout(prackWaitTimeout, core_1.Timers.T1 * 64); + // https://tools.ietf.org/html/rfc3262#section-3 + var rel1xxRetransmission = function () { + try { + _this.incomingRequest.progress({ statusCode: statusCode, reasonPhrase: reasonPhrase, extraHeaders: extraHeaders, body: body }); + } + catch (error) { + waitingForPrack = false; + reject(error); + return; + } + rel1xxRetransmissionTimer = setTimeout(rel1xxRetransmission, timeout *= 2); + }; + var timeout = core_1.Timers.T1; + var rel1xxRetransmissionTimer = setTimeout(rel1xxRetransmission, timeout); + }); + }); + }; + /** + * Callback for when ACK for a 2xx response is never received. + * @param session Session the ACK never arrived for + */ + InviteServerContext.prototype.onAckTimeout = function () { + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK) { + this.logger.log("no ACK received for an extended period of time, terminating the call"); + if (!this.session) { + throw new Error("Session undefined."); + } + this.session.bye(); + this.terminated(undefined, Constants_1.C.causes.NO_ACK); + } + }; + /** + * FIXME: TODO: The current library interface presents async methods without a + * proper async error handling mechanism. Arguably a promise based interface + * would be an improvement over the pattern of returning `this`. The approach has + * been generally along the lines of log a error and terminate. + */ + InviteServerContext.prototype.onContextError = function (error) { + var statusCode = 480; + if (error instanceof core_1.Exception) { // There might be interest in catching these Exceptions. + if (error instanceof Exceptions_1.Exceptions.SessionDescriptionHandlerError) { + this.logger.error(error.message); + if (error.error) { + this.logger.error(error.error); + } + } + else if (error instanceof Exceptions_1.Exceptions.TerminatedSessionError) { + // PRACK never arrived, so we timed out waiting for it. + this.logger.warn("Incoming session terminated while waiting for PRACK."); + } + else if (error instanceof Exceptions_1.Exceptions.UnsupportedSessionDescriptionContentTypeError) { + statusCode = 415; + } + else if (error instanceof core_1.Exception) { + this.logger.error(error.message); + } + } + else if (error instanceof Error) { // Other Errors hould go uncaught. + this.logger.error(error.message); + } + else { + // We don't actually know what a session description handler implementation might throw + // our way, so as a last resort, just assume we are getting an "any" and log it. + this.logger.error("An error occurred in the session description handler."); + this.logger.error(error); + } + try { + this.incomingRequest.reject({ statusCode: statusCode }); // "Temporarily Unavailable" + this.failed(this.incomingRequest.message, error.message); + this.terminated(this.incomingRequest.message, error.message); + } + catch (error) { + return; + } + }; + InviteServerContext.prototype.prackArrived = function () { + if (this.waitingForPrackResolve) { + this.waitingForPrackResolve(); + } + this.waitingForPrackPromise = undefined; + this.waitingForPrackResolve = undefined; + this.waitingForPrackReject = undefined; + }; + InviteServerContext.prototype.prackNeverArrived = function () { + if (this.waitingForPrackReject) { + this.waitingForPrackReject(new Exceptions_1.Exceptions.TerminatedSessionError()); + } + this.waitingForPrackPromise = undefined; + this.waitingForPrackResolve = undefined; + this.waitingForPrackReject = undefined; + }; + /** + * @throws {Exceptions.TerminatedSessionError} The session terminated before being accepted (i.e. cancel arrived). + */ + InviteServerContext.prototype.waitForArrivalOfPrack = function () { + var _this = this; + if (this.waitingForPrackPromise) { + throw new Error("Already waiting for PRACK"); + } + this.waitingForPrackPromise = new Promise(function (resolve, reject) { + _this.waitingForPrackResolve = resolve; + _this.waitingForPrackReject = reject; + }); + return this.waitingForPrackPromise; + }; + InviteServerContext.prototype.getOffer = function (options) { + this.hasOffer = true; + var sdh = this.getSessionDescriptionHandler(); + return sdh + .getDescription(options.sessionDescriptionHandlerOptions, options.modifiers) + .then(function (bodyObj) { return Utils_1.Utils.fromBodyObj(bodyObj); }); + }; + InviteServerContext.prototype.setAnswer = function (answer, options) { + this.hasAnswer = true; + var sdh = this.getSessionDescriptionHandler(); + if (!sdh.hasDescription(answer.contentType)) { + return Promise.reject(new Exceptions_1.Exceptions.UnsupportedSessionDescriptionContentTypeError()); + } + return sdh + .setDescription(answer.content, options.sessionDescriptionHandlerOptions, options.modifiers); + }; + InviteServerContext.prototype.setOfferAndGetAnswer = function (offer, options) { + this.hasOffer = true; + this.hasAnswer = true; + var sdh = this.getSessionDescriptionHandler(); + if (!sdh.hasDescription(offer.contentType)) { + return Promise.reject(new Exceptions_1.Exceptions.UnsupportedSessionDescriptionContentTypeError()); + } + return sdh + .setDescription(offer.content, options.sessionDescriptionHandlerOptions, options.modifiers) + .then(function () { return sdh.getDescription(options.sessionDescriptionHandlerOptions, options.modifiers); }) + .then(function (bodyObj) { return Utils_1.Utils.fromBodyObj(bodyObj); }); + }; + InviteServerContext.prototype.getSessionDescriptionHandler = function () { + // Create our session description handler if not already done so... + var sdh = this.sessionDescriptionHandler = this.setupSessionDescriptionHandler(); + // FIXME: Ported - this can get emitted multiple times even when only created once... don't we care? + this.emit("SessionDescriptionHandler-created", this.sessionDescriptionHandler); + // Return. + return sdh; + }; + return InviteServerContext; +}(Session)); +exports.InviteServerContext = InviteServerContext; +// tslint:disable-next-line:max-classes-per-file +var InviteClientContext = /** @class */ (function (_super) { + tslib_1.__extends(InviteClientContext, _super); + function InviteClientContext(ua, target, options, modifiers) { + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + var _this = this; + if (!ua.configuration.sessionDescriptionHandlerFactory) { + ua.logger.warn("Can't build ISC without SDH Factory"); + throw new Error("ICC Constructor Failed"); + } + options.params = options.params || {}; + var anonymous = options.anonymous || false; + var fromTag = Utils_1.Utils.newTag(); + options.params.fromTag = fromTag; + /* Do not add ;ob in initial forming dialog requests if the registration over + * the current connection got a GRUU URI. + */ + var contact = ua.contact.toString({ + anonymous: anonymous, + outbound: anonymous ? !ua.contact.tempGruu : !ua.contact.pubGruu + }); + var extraHeaders = (options.extraHeaders || []).slice(); + if (anonymous && ua.configuration.uri) { + options.params.fromDisplayName = "Anonymous"; + options.params.fromUri = "sip:anonymous@anonymous.invalid"; + extraHeaders.push("P-Preferred-Identity: " + ua.configuration.uri.toString()); + extraHeaders.push("Privacy: id"); + } + extraHeaders.push("Contact: " + contact); + // this is UA.C.ALLOWED_METHODS, removed to get around circular dependency + extraHeaders.push("Allow: " + [ + "ACK", + "CANCEL", + "INVITE", + "MESSAGE", + "BYE", + "OPTIONS", + "INFO", + "NOTIFY", + "REFER" + ].toString()); + if (ua.configuration.rel100 === Constants_1.C.supported.REQUIRED) { + extraHeaders.push("Require: 100rel"); + } + if (ua.configuration.replaces === Constants_1.C.supported.REQUIRED) { + extraHeaders.push("Require: replaces"); + } + options.extraHeaders = extraHeaders; + _this = _super.call(this, ua.configuration.sessionDescriptionHandlerFactory) || this; + ClientContext_1.ClientContext.initializer(_this, ua, Constants_1.C.INVITE, target, options); + _this.earlyMediaSessionDescriptionHandlers = new Map(); + _this.type = Enums_1.TypeStrings.InviteClientContext; + _this.passedOptions = options; // Save for later to use with refer + _this.sessionDescriptionHandlerOptions = options.sessionDescriptionHandlerOptions || {}; + _this.modifiers = modifiers; + _this.inviteWithoutSdp = options.inviteWithoutSdp || false; + // Set anonymous property + _this.anonymous = options.anonymous || false; + // Custom data to be sent either in INVITE or in ACK + _this.renderbody = options.renderbody || undefined; + _this.rendertype = options.rendertype || "text/plain"; + // Session parameter initialization + _this.fromTag = fromTag; + _this.contact = contact; + // Check Session Status + if (_this.status !== Enums_1.SessionStatus.STATUS_NULL) { + throw new Exceptions_1.Exceptions.InvalidStateError(_this.status); + } + // OutgoingSession specific parameters + _this.isCanceled = false; + _this.received100 = false; + _this.method = Constants_1.C.INVITE; + _this.logger = ua.getLogger("sip.inviteclientcontext"); + ua.applicants[_this.toString()] = _this; + _this.id = _this.request.callId + _this.fromTag; + _this.onInfo = options.onInfo; + _this.errorListener = _this.onTransportError.bind(_this); + if (ua.transport) { + ua.transport.on("transportError", _this.errorListener); + } + return _this; + } + InviteClientContext.prototype.receiveResponse = function (response) { + throw new Error("Unimplemented."); + }; + // hack for getting around ClientContext interface + InviteClientContext.prototype.send = function () { + this.sendInvite(); + return this; + }; + InviteClientContext.prototype.invite = function () { + var _this = this; + // Save the session into the ua sessions collection. + // Note: placing in constructor breaks call to request.cancel on close... User does not need this anyway + this.ua.sessions[this.id] = this; + // This should allow the function to return so that listeners can be set up for these events + Promise.resolve().then(function () { + // FIXME: There is a race condition where cancel (or terminate) can be called synchronously after invite. + if (_this.isCanceled || _this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + if (_this.inviteWithoutSdp) { + // just send an invite with no sdp... + if (_this.renderbody && _this.rendertype) { + _this.request.body = { + body: _this.renderbody, + contentType: _this.rendertype + }; + } + _this.status = Enums_1.SessionStatus.STATUS_INVITE_SENT; + _this.send(); + } + else { + // Initialize Media Session + _this.sessionDescriptionHandler = _this.sessionDescriptionHandlerFactory(_this, _this.ua.configuration.sessionDescriptionHandlerFactoryOptions || {}); + _this.emit("SessionDescriptionHandler-created", _this.sessionDescriptionHandler); + _this.sessionDescriptionHandler.getDescription(_this.sessionDescriptionHandlerOptions, _this.modifiers) + .then(function (description) { + // FIXME: There is a race condition where cancel (or terminate) can be called (a)synchronously after invite. + if (_this.isCanceled || _this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + _this.hasOffer = true; + _this.request.body = description; + _this.status = Enums_1.SessionStatus.STATUS_INVITE_SENT; + _this.send(); + }, function (err) { + if (err.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + _this.logger.log(err.message); + if (err.error) { + _this.logger.log(err.error); + } + } + if (_this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + _this.failed(undefined, Constants_1.C.causes.WEBRTC_ERROR); + _this.terminated(undefined, Constants_1.C.causes.WEBRTC_ERROR); + }); + } + }); + return this; + }; + InviteClientContext.prototype.cancel = function (options) { + if (options === void 0) { options = {}; } + // Check Session Status + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED || this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.status); + } + if (this.isCanceled) { + throw new Exceptions_1.Exceptions.InvalidStateError(Enums_1.SessionStatus.STATUS_CANCELED); + } + this.isCanceled = true; + this.logger.log("Canceling session"); + var cancelReason = Utils_1.Utils.getCancelReason(options.statusCode, options.reasonPhrase); + options.extraHeaders = (options.extraHeaders || []).slice(); + if (this.outgoingInviteRequest) { + this.logger.warn("Canceling session before it was created"); + this.outgoingInviteRequest.cancel(cancelReason, options); + } + return this.canceled(); + }; + InviteClientContext.prototype.terminate = function (options) { + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return this; + } + if (this.status === Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK || this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + this.bye(options); + } + else { + this.cancel(options); + } + return this; + }; + /** + * 13.2.1 Creating the Initial INVITE + * + * Since the initial INVITE represents a request outside of a dialog, + * its construction follows the procedures of Section 8.1.1. Additional + * processing is required for the specific case of INVITE. + * + * An Allow header field (Section 20.5) SHOULD be present in the INVITE. + * It indicates what methods can be invoked within a dialog, on the UA + * sending the INVITE, for the duration of the dialog. For example, a + * UA capable of receiving INFO requests within a dialog [34] SHOULD + * include an Allow header field listing the INFO method. + * + * A Supported header field (Section 20.37) SHOULD be present in the + * INVITE. It enumerates all the extensions understood by the UAC. + * + * An Accept (Section 20.1) header field MAY be present in the INVITE. + * It indicates which Content-Types are acceptable to the UA, in both + * the response received by it, and in any subsequent requests sent to + * it within dialogs established by the INVITE. The Accept header field + * is especially useful for indicating support of various session + * description formats. + * + * The UAC MAY add an Expires header field (Section 20.19) to limit the + * validity of the invitation. If the time indicated in the Expires + * header field is reached and no final answer for the INVITE has been + * received, the UAC core SHOULD generate a CANCEL request for the + * INVITE, as per Section 9. + * + * A UAC MAY also find it useful to add, among others, Subject (Section + * 20.36), Organization (Section 20.25) and User-Agent (Section 20.41) + * header fields. They all contain information related to the INVITE. + * + * The UAC MAY choose to add a message body to the INVITE. Section + * 8.1.1.10 deals with how to construct the header fields -- Content- + * Type among others -- needed to describe the message body. + * + * https://tools.ietf.org/html/rfc3261#section-13.2.1 + */ + InviteClientContext.prototype.sendInvite = function () { + // There are special rules for message bodies that contain a session + // description - their corresponding Content-Disposition is "session". + // SIP uses an offer/answer model where one UA sends a session + // description, called the offer, which contains a proposed description + // of the session. The offer indicates the desired communications means + // (audio, video, games), parameters of those means (such as codec + // types) and addresses for receiving media from the answerer. The + // other UA responds with another session description, called the + // answer, which indicates which communications means are accepted, the + // parameters that apply to those means, and addresses for receiving + // media from the offerer. An offer/answer exchange is within the + // context of a dialog, so that if a SIP INVITE results in multiple + // dialogs, each is a separate offer/answer exchange. The offer/answer + // model defines restrictions on when offers and answers can be made + // (for example, you cannot make a new offer while one is in progress). + // This results in restrictions on where the offers and answers can + // appear in SIP messages. In this specification, offers and answers + // can only appear in INVITE requests and responses, and ACK. The usage + // of offers and answers is further restricted. For the initial INVITE + // transaction, the rules are: + // + // o The initial offer MUST be in either an INVITE or, if not there, + // in the first reliable non-failure message from the UAS back to + // the UAC. In this specification, that is the final 2xx + // response. + // + // o If the initial offer is in an INVITE, the answer MUST be in a + // reliable non-failure message from UAS back to UAC which is + // correlated to that INVITE. For this specification, that is + // only the final 2xx response to that INVITE. That same exact + // answer MAY also be placed in any provisional responses sent + // prior to the answer. The UAC MUST treat the first session + // description it receives as the answer, and MUST ignore any + // session descriptions in subsequent responses to the initial + // INVITE. + // + // o If the initial offer is in the first reliable non-failure + // message from the UAS back to UAC, the answer MUST be in the + // acknowledgement for that message (in this specification, ACK + // for a 2xx response). + // + // o After having sent or received an answer to the first offer, the + // UAC MAY generate subsequent offers in requests based on rules + // specified for that method, but only if it has received answers + // to any previous offers, and has not sent any offers to which it + // hasn't gotten an answer. + // + // o Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + var _this = this; + // 5 The Offer/Answer Model and PRACK + // + // RFC 3261 describes guidelines for the sets of messages in which + // offers and answers [3] can appear. Based on those guidelines, this + // extension provides additional opportunities for offer/answer + // exchanges. + // If the INVITE contained an offer, the UAS MAY generate an answer in a + // reliable provisional response (assuming these are supported by the + // UAC). That results in the establishment of the session before + // completion of the call. Similarly, if a reliable provisional + // response is the first reliable message sent back to the UAC, and the + // INVITE did not contain an offer, one MUST appear in that reliable + // provisional response. + // If the UAC receives a reliable provisional response with an offer + // (this would occur if the UAC sent an INVITE without an offer, in + // which case the first reliable provisional response will contain the + // offer), it MUST generate an answer in the PRACK. If the UAC receives + // a reliable provisional response with an answer, it MAY generate an + // additional offer in the PRACK. If the UAS receives a PRACK with an + // offer, it MUST place the answer in the 2xx to the PRACK. + // Once an answer has been sent or received, the UA SHOULD establish the + // session based on the parameters of the offer and answer, even if the + // original INVITE itself has not been responded to. + // If the UAS had placed a session description in any reliable + // provisional response that is unacknowledged when the INVITE is + // accepted, the UAS MUST delay sending the 2xx until the provisional + // response is acknowledged. Otherwise, the reliability of the 1xx + // cannot be guaranteed, and reliability is needed for proper operation + // of the offer/answer exchange. + // All user agents that support this extension MUST support all + // offer/answer exchanges that are possible based on the rules in + // Section 13.2 of RFC 3261, based on the existence of INVITE and PRACK + // as requests, and 2xx and reliable 1xx as non-failure reliable + // responses. + // + // https://tools.ietf.org/html/rfc3262#section-5 + //// + // The Offer/Answer Model Implementation + // + // The offer/answer model is straight forward, but one MUST READ the specifications... + // + // 13.2.1 Creating the Initial INVITE (paragraph 8 in particular) + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // + // 5 The Offer/Answer Model and PRACK + // https://tools.ietf.org/html/rfc3262#section-5 + // + // Session Initiation Protocol (SIP) Usage of the Offer/Answer Model + // https://tools.ietf.org/html/rfc6337 + // + // *** IMPORTANT IMPLEMENTATION CHOICES *** + // + // TLDR... + // + // 1) Only one offer/answer exchange permitted during initial INVITE. + // 2) No "early media" if the initial offer is in an INVITE. + // + // + // 1) Initial Offer/Answer Restriction. + // + // Our implementation replaces the following bullet point... + // + // o After having sent or received an answer to the first offer, the + // UAC MAY generate subsequent offers in requests based on rules + // specified for that method, but only if it has received answers + // to any previous offers, and has not sent any offers to which it + // hasn't gotten an answer. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // + // ...with... + // + // o After having sent or received an answer to the first offer, the + // UAC MUST NOT generate subsequent offers in requests based on rules + // specified for that method. + // + // ...which in combination with this bullet point... + // + // o Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // + // ...ensures that EXACTLY ONE offer/answer exchange will occur + // during an initial out of dialog INVITE request made by our UAC. + // + // + // 2) Early Media Restriction. + // + // While our implementation adheres to the following bullet point... + // + // o If the initial offer is in an INVITE, the answer MUST be in a + // reliable non-failure message from UAS back to UAC which is + // correlated to that INVITE. For this specification, that is + // only the final 2xx response to that INVITE. That same exact + // answer MAY also be placed in any provisional responses sent + // prior to the answer. The UAC MUST treat the first session + // description it receives as the answer, and MUST ignore any + // session descriptions in subsequent responses to the initial + // INVITE. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // + // We have made the following implementation decision with regard to early media... + // + // o If the initial offer is in the INVITE, the answer from the + // UAS back to the UAC will establish a media session only + // only after the final 2xx response to that INVITE is received. + // + // The reason for this decision is rooted in a restriction currently + // inherent in WebRTC. Specifically, while a SIP INVITE request with an + // initial offer may fork resulting in more than one provisional answer, + // there is currently no easy/good way to to "fork" an offer generated + // by a peer connection. In particular, a WebRTC offer currently may only + // be matched with one answer and we have no good way to know which + // "provisional answer" is going to be the "final answer". So we have + // decided to punt and not create any "early media" sessions in this case. + // + // The upshot is that if you want "early media", you must not put the + // initial offer in the INVITE. Instead, force the UAS to provide the + // initial offer by sending an INVITE without an offer. In the WebRTC + // case this allows us to create a unique peer connection with a unique + // answer for every provisional offer with "early media" on all of them. + //// + //// + // ROADMAP: The Offer/Answer Model Implementation + // + // The "no early media if offer in INVITE" implementation is not a + // welcome one. The masses want it. The want it and they want it + // to work for WebRTC (so they want to have their cake and eat too). + // + // So while we currently cannot make the offer in INVITE+forking+webrtc + // case work, we decided to do the following... + // + // 1) modify SDH Factory to provide an initial offer without giving us the SDH, and then... + // 2) stick that offer in the initial INVITE, and when 183 with initial answer is received... + // 3) ask SDH Factory if it supports "earlyRemoteAnswer" + // a) if true, ask SDH Factory to createSDH(localOffer).then((sdh) => sdh.setDescription(remoteAnswer) + // b) if false, defer getting a SDH until 2xx response is received + // + // Our supplied WebRTC SDH will default to behavior 3b which works in forking environment (without) + // early media if initial offer is in the INVITE). We will, however, provide an "inviteWillNotFork" + // option which if set to "true" will have our supplied WebRTC SDH behave in the 3a manner. + // That will result in + // - early media working with initial offer in the INVITE, and... + // - if the INVITE forks, the session terminating with an ERROR that reads like + // "You set 'inviteWillNotFork' to true but the INVITE forked. You can't eat your cake, and have it too." + // - furthermore, we accept that users will report that error to us as "bug" regardless + // + // So, SDH Factory is going to end up with a new interface along the lines of... + // + // interface SessionDescriptionHandlerFactory { + // makeLocalOffer(): Promise; + // makeSessionDescriptionHandler( + // initialOffer: ContentTypeAndBody, offerType: "local" | "remote" + // ): Promise; + // supportsEarlyRemoteAnswer: boolean; + // supportsContentType(contentType: string): boolean; + // getDescription(description: ContentTypeAndBody): Promise + // setDescription(description: ContentTypeAndBody): Promise + // } + // + // We should be able to get rid of all the hasOffer/hasAnswer tracking code and otherwise code + // it up to the same interaction with the SDH Factory and SDH regardless of signaling scenario. + //// + // Send the INVITE request. + this.outgoingInviteRequest = this.ua.userAgentCore.invite(this.request, { + onAccept: function (inviteResponse) { return _this.onAccept(inviteResponse); }, + onProgress: function (inviteResponse) { return _this.onProgress(inviteResponse); }, + onRedirect: function (inviteResponse) { return _this.onRedirect(inviteResponse); }, + onReject: function (inviteResponse) { return _this.onReject(inviteResponse); }, + onTrying: function (inviteResponse) { return _this.onTrying(inviteResponse); } + }); + }; + InviteClientContext.prototype.ackAndBye = function (inviteResponse, session, statusCode, reasonPhrase) { + if (!this.ua.userAgentCore) { + throw new Error("Method requires user agent core."); + } + var extraHeaders = []; + if (statusCode) { + extraHeaders.push("Reason: " + Utils_1.Utils.getReasonHeaderValue(statusCode, reasonPhrase)); + } + var outgoingAckRequest = inviteResponse.ack(); + this.emit("ack", outgoingAckRequest.message); + var outgoingByeRequest = session.bye(undefined, { extraHeaders: extraHeaders }); + this.emit("bye", outgoingByeRequest.message); + }; + InviteClientContext.prototype.disposeEarlyMedia = function () { + if (!this.earlyMediaSessionDescriptionHandlers) { + throw new Error("Early media session description handlers undefined."); + } + this.earlyMediaSessionDescriptionHandlers.forEach(function (sessionDescriptionHandler) { + sessionDescriptionHandler.close(); + }); + }; + /** + * Handle final response to initial INVITE. + * @param inviteResponse 2xx response. + */ + InviteClientContext.prototype.onAccept = function (inviteResponse) { + var _this = this; + if (!this.earlyMediaSessionDescriptionHandlers) { + throw new Error("Early media session description handlers undefined."); + } + var response = inviteResponse.message; + var session = inviteResponse.session; + // Our transaction layer is "non-standard" in that it will only + // pass us a 2xx response once per branch, so there is no need to + // worry about dealing with 2xx retransmissions. However, we can + // and do still get 2xx responses for multiple branches (when an + // INVITE is forked) which may create multiple confirmed dialogs. + // Herein we are acking and sending a bye to any confirmed dialogs + // which arrive beyond the first one. This is the desired behavior + // for most applications (but certainly not all). + // If we already received a confirmed dialog, ack & bye this session. + if (this.session) { + this.ackAndBye(inviteResponse, session); + return; + } + // If the user requested cancellation, ack & bye this session. + if (this.isCanceled) { + this.ackAndBye(inviteResponse, session); + this.emit("bye", this.request); // FIXME: Ported this odd second "bye" emit + return; + } + // Ported behavior. + if (response.hasHeader("P-Asserted-Identity")) { + this.assertedIdentity = core_1.Grammar.nameAddrHeaderParse(response.getHeader("P-Asserted-Identity")); + } + // We have a confirmed dialog. + this.session = session; + this.session.delegate = { + onAck: function (ackRequest) { return _this.onAck(ackRequest); }, + onBye: function (byeRequest) { return _this.receiveRequest(byeRequest); }, + onInfo: function (infoRequest) { return _this.receiveRequest(infoRequest); }, + onInvite: function (inviteRequest) { return _this.receiveRequest(inviteRequest); }, + onNotify: function (notifyRequest) { return _this.receiveRequest(notifyRequest); }, + onPrack: function (prackRequest) { return _this.receiveRequest(prackRequest); }, + onRefer: function (referRequest) { return _this.receiveRequest(referRequest); } + }; + switch (session.signalingState) { + case core_1.SignalingState.Initial: + // INVITE without Offer, so MUST have Offer at this point, so invalid state. + this.ackAndBye(inviteResponse, session, 400, "Missing session description"); + this.failed(response, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + break; + case core_1.SignalingState.HaveLocalOffer: + // INVITE with Offer, so MUST have Answer at this point, so invalid state. + this.ackAndBye(inviteResponse, session, 400, "Missing session description"); + this.failed(response, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + break; + case core_1.SignalingState.HaveRemoteOffer: + // INVITE without Offer, received offer in 2xx, so MUST send Answer in ACK. + var sdh_1 = this.sessionDescriptionHandlerFactory(this, this.ua.configuration.sessionDescriptionHandlerFactoryOptions || {}); + this.sessionDescriptionHandler = sdh_1; + this.emit("SessionDescriptionHandler-created", this.sessionDescriptionHandler); + if (!sdh_1.hasDescription(response.getHeader("Content-Type") || "")) { + this.ackAndBye(inviteResponse, session, 400, "Missing session description"); + this.failed(response, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + break; + } + this.hasOffer = true; + sdh_1 + .setDescription(response.body, this.sessionDescriptionHandlerOptions, this.modifiers) + .then(function () { return sdh_1.getDescription(_this.sessionDescriptionHandlerOptions, _this.modifiers); }) + .then(function (description) { + if (_this.isCanceled || _this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + _this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + _this.hasAnswer = true; + var body = { + contentDisposition: "session", contentType: description.contentType, content: description.body + }; + var ackRequest = inviteResponse.ack({ body: body }); + _this.emit("ack", ackRequest.message); + _this.accepted(response); + }) + .catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + _this.logger.warn("invalid description"); + _this.logger.warn(e.toString()); + // TODO: This message is inconsistent + _this.ackAndBye(inviteResponse, session, 488, "Invalid session description"); + _this.failed(response, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + } + else { + throw e; + } + }); + break; + case core_1.SignalingState.Stable: + // This session has completed an initial offer/answer exchange... + var options_1; + if (this.renderbody && this.rendertype) { + options_1 = { body: { contentDisposition: "render", contentType: this.rendertype, content: this.renderbody } }; + } + // If INVITE with Offer and we have been waiting till now to apply the answer. + if (this.hasOffer && !this.hasAnswer) { + if (!this.sessionDescriptionHandler) { + throw new Error("Session description handler undefined."); + } + var answer = session.answer; + if (!answer) { + throw new Error("Answer is undefined."); + } + this.sessionDescriptionHandler + .setDescription(answer.content, this.sessionDescriptionHandlerOptions, this.modifiers) + .then(function () { + _this.hasAnswer = true; + _this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + var ackRequest = inviteResponse.ack(options_1); + _this.emit("ack", ackRequest.message); + _this.accepted(response); + }) + .catch(function (error) { + _this.logger.error(error); + _this.ackAndBye(inviteResponse, session, 488, "Not Acceptable Here"); + _this.failed(response, Constants_1.C.causes.BAD_MEDIA_DESCRIPTION); + // FIME: DON'T EAT UNHANDLED ERRORS! + }); + } + else { + // Otherwise INVITE with or without Offer and we have already completed the initial exchange. + this.sessionDescriptionHandler = this.earlyMediaSessionDescriptionHandlers.get(session.id); + if (!this.sessionDescriptionHandler) { + throw new Error("Session description handler undefined."); + } + this.earlyMediaSessionDescriptionHandlers.delete(session.id); + this.hasOffer = true; + this.hasAnswer = true; + this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + var ackRequest = inviteResponse.ack(); + this.emit("ack", ackRequest.message); + this.accepted(response); + } + break; + case core_1.SignalingState.Closed: + // Dialog has terminated. + break; + default: + throw new Error("Unknown session signaling state."); + } + this.disposeEarlyMedia(); + }; + /** + * Handle provisional response to initial INVITE. + * @param inviteResponse 1xx response. + */ + InviteClientContext.prototype.onProgress = function (inviteResponse) { + var _this = this; + // Ported - User requested cancellation. + if (this.isCanceled) { + return; + } + if (!this.outgoingInviteRequest) { + throw new Error("Outgoing INVITE request undefined."); + } + if (!this.earlyMediaSessionDescriptionHandlers) { + throw new Error("Early media session description handlers undefined."); + } + var response = inviteResponse.message; + var session = inviteResponse.session; + // Ported - Set status. + this.status = Enums_1.SessionStatus.STATUS_1XX_RECEIVED; + // Ported - Set assertedIdentity. + if (response.hasHeader("P-Asserted-Identity")) { + this.assertedIdentity = core_1.Grammar.nameAddrHeaderParse(response.getHeader("P-Asserted-Identity")); + } + // The provisional response MUST establish a dialog if one is not yet created. + // https://tools.ietf.org/html/rfc3262#section-4 + if (!session) { + // A response with a to tag MUST create a session (should never get here). + throw new Error("Session undefined."); + } + // If a provisional response is received for an initial request, and + // that response contains a Require header field containing the option + // tag 100rel, the response is to be sent reliably. If the response is + // a 100 (Trying) (as opposed to 101 to 199), this option tag MUST be + // ignored, and the procedures below MUST NOT be used. + // https://tools.ietf.org/html/rfc3262#section-4 + var requireHeader = response.getHeader("require"); + var rseqHeader = response.getHeader("rseq"); + var rseq = requireHeader && requireHeader.includes("100rel") && rseqHeader ? Number(rseqHeader) : undefined; + var responseReliable = !!rseq; + var extraHeaders = []; + if (responseReliable) { + extraHeaders.push("RAck: " + response.getHeader("rseq") + " " + response.getHeader("cseq")); + } + // INVITE without Offer and session still has no offer (and no answer). + if (session.signalingState === core_1.SignalingState.Initial) { + // Similarly, if a reliable provisional + // response is the first reliable message sent back to the UAC, and the + // INVITE did not contain an offer, one MUST appear in that reliable + // provisional response. + // https://tools.ietf.org/html/rfc3262#section-5 + if (responseReliable) { + this.logger.warn("First reliable provisional response received MUST contain an offer when INVITE does not contain an offer."); + // FIXME: Known popular UA's currently end up here... + inviteResponse.prack({ extraHeaders: extraHeaders }); + } + this.emit("progress", response); + return; + } + // INVITE with Offer and session only has that initial local offer. + if (session.signalingState === core_1.SignalingState.HaveLocalOffer) { + if (responseReliable) { + inviteResponse.prack({ extraHeaders: extraHeaders }); + } + this.emit("progress", response); + return; + } + // INVITE without Offer and received initial offer in provisional response + if (session.signalingState === core_1.SignalingState.HaveRemoteOffer) { + // The initial offer MUST be in either an INVITE or, if not there, + // in the first reliable non-failure message from the UAS back to + // the UAC. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + // According to Section 13.2.1 of [RFC3261], 'The first reliable + // non-failure message' must have an offer if there is no offer in the + // INVITE request. This means that the User Agent (UA) that receives + // the INVITE request without an offer must include an offer in the + // first reliable response with 100rel extension. If no reliable + // provisional response has been sent, the User Agent Server (UAS) must + // include an offer when sending 2xx response. + // https://tools.ietf.org/html/rfc6337#section-2.2 + if (!responseReliable) { + this.logger.warn("Non-reliable provisional response MUST NOT contain an initial offer, discarding response."); + return; + } + // If the initial offer is in the first reliable non-failure + // message from the UAS back to UAC, the answer MUST be in the + // acknowledgement for that message + var sdh_2 = this.sessionDescriptionHandlerFactory(this, this.ua.configuration.sessionDescriptionHandlerFactoryOptions || {}); + this.emit("SessionDescriptionHandler-created", sdh_2); + this.earlyMediaSessionDescriptionHandlers.set(session.id, sdh_2); + sdh_2 + .setDescription(response.body, this.sessionDescriptionHandlerOptions, this.modifiers) + .then(function () { return sdh_2.getDescription(_this.sessionDescriptionHandlerOptions, _this.modifiers); }) + .then(function (description) { + var body = { + contentDisposition: "session", contentType: description.contentType, content: description.body + }; + inviteResponse.prack({ extraHeaders: extraHeaders, body: body }); + _this.status = Enums_1.SessionStatus.STATUS_EARLY_MEDIA; + _this.emit("progress", response); + }) + .catch(function (error) { + if (_this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + _this.failed(undefined, Constants_1.C.causes.WEBRTC_ERROR); + _this.terminated(undefined, Constants_1.C.causes.WEBRTC_ERROR); + }); + return; + } + // This session has completed an initial offer/answer exchange, so... + // - INVITE with SDP and this provisional response MAY be reliable + // - INVITE without SDP and this provisional response MAY be reliable + if (session.signalingState === core_1.SignalingState.Stable) { + if (responseReliable) { + inviteResponse.prack({ extraHeaders: extraHeaders }); + } + // Note: As documented, no early media if offer was in INVITE, so nothing to be done. + // FIXME: TODO: Add a flag/hack to allow early media in this case. There are people + // in non-forking environments (think straight to FreeSWITCH) who want + // early media on a 183. Not sure how to actually make it work, basically + // something like... + if (false) {} + this.emit("progress", response); + return; + } + }; + /** + * Handle final response to initial INVITE. + * @param inviteResponse 3xx response. + */ + InviteClientContext.prototype.onRedirect = function (inviteResponse) { + this.disposeEarlyMedia(); + var response = inviteResponse.message; + var statusCode = response.statusCode; + var cause = Utils_1.Utils.sipErrorCause(statusCode || 0); + this.rejected(response, cause); + this.failed(response, cause); + this.terminated(response, cause); + }; + /** + * Handle final response to initial INVITE. + * @param inviteResponse 4xx, 5xx, or 6xx response. + */ + InviteClientContext.prototype.onReject = function (inviteResponse) { + this.disposeEarlyMedia(); + var response = inviteResponse.message; + var statusCode = response.statusCode; + var cause = Utils_1.Utils.sipErrorCause(statusCode || 0); + this.rejected(response, cause); + this.failed(response, cause); + this.terminated(response, cause); + }; + /** + * Handle final response to initial INVITE. + * @param inviteResponse 100 response. + */ + InviteClientContext.prototype.onTrying = function (inviteResponse) { + this.received100 = true; + this.emit("progress", inviteResponse.message); + }; + return InviteClientContext; +}(Session)); +exports.InviteClientContext = InviteClientContext; + + +/***/ }), +/* 91 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var Constants_1 = __webpack_require__(80); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +/** + * @class DTMF + * @param {SIP.Session} session + */ +var DTMF = /** @class */ (function (_super) { + tslib_1.__extends(DTMF, _super); + function DTMF(session, tone, options) { + if (options === void 0) { options = {}; } + var _this = _super.call(this) || this; + _this.C = { + MIN_DURATION: 70, + MAX_DURATION: 6000, + DEFAULT_DURATION: 100, + MIN_INTER_TONE_GAP: 50, + DEFAULT_INTER_TONE_GAP: 500 + }; + _this.type = Enums_1.TypeStrings.DTMF; + if (tone === undefined) { + throw new TypeError("Not enough arguments"); + } + _this.logger = session.ua.getLogger("sip.invitecontext.dtmf", session.id); + _this.owner = session; + // Check tone type + if (typeof tone === "string") { + tone = tone.toUpperCase(); + } + else if (typeof tone === "number") { + tone = tone.toString(); + } + else { + throw new TypeError("Invalid tone: " + tone); + } + // Check tone value + if (!tone.match(/^[0-9A-D#*]$/)) { + throw new TypeError("Invalid tone: " + tone); + } + else { + _this.tone = tone; + } + var duration = options.duration; + var interToneGap = options.interToneGap; + // Check duration + if (duration && !Utils_1.Utils.isDecimal(duration)) { + throw new TypeError("Invalid tone duration: " + duration); + } + else if (!duration) { + duration = _this.C.DEFAULT_DURATION; + } + else if (duration < _this.C.MIN_DURATION) { + _this.logger.warn("'duration' value is lower than the minimum allowed, setting it to " + + _this.C.MIN_DURATION + " milliseconds"); + duration = _this.C.MIN_DURATION; + } + else if (duration > _this.C.MAX_DURATION) { + _this.logger.warn("'duration' value is greater than the maximum allowed, setting it to " + + _this.C.MAX_DURATION + " milliseconds"); + duration = _this.C.MAX_DURATION; + } + else { + duration = Math.abs(duration); + } + _this.duration = duration; + // Check interToneGap + if (interToneGap && !Utils_1.Utils.isDecimal(interToneGap)) { + throw new TypeError("Invalid interToneGap: " + interToneGap); + } + else if (!interToneGap) { + interToneGap = _this.C.DEFAULT_INTER_TONE_GAP; + } + else if (interToneGap < _this.C.MIN_INTER_TONE_GAP) { + _this.logger.warn("'interToneGap' value is lower than the minimum allowed, setting it to " + + _this.C.MIN_INTER_TONE_GAP + " milliseconds"); + interToneGap = _this.C.MIN_INTER_TONE_GAP; + } + else { + interToneGap = Math.abs(interToneGap); + } + _this.interToneGap = interToneGap; + return _this; + } + DTMF.prototype.send = function (options) { + if (options === void 0) { options = {}; } + // Check RTCSession Status + if (this.owner.status !== Enums_1.SessionStatus.STATUS_CONFIRMED && + this.owner.status !== Enums_1.SessionStatus.STATUS_WAITING_FOR_ACK) { + throw new Exceptions_1.Exceptions.InvalidStateError(this.owner.status); + } + // Get DTMF options + var extraHeaders = options.extraHeaders ? options.extraHeaders.slice() : []; + var body = { + contentType: "application/dtmf-relay", + body: "Signal= " + this.tone + "\r\nDuration= " + this.duration + }; + if (this.owner.session) { + var request = this.owner.session.info(undefined, { + extraHeaders: extraHeaders, + body: Utils_1.Utils.fromBodyObj(body) + }); + this.owner.emit("dtmf", request.message, this); + return; + } + }; + DTMF.prototype.init_incoming = function (request) { + request.accept(); + if (!this.tone || !this.duration) { + this.logger.warn("invalid INFO DTMF received, discarded"); + } + else { + this.owner.emit("dtmf", request.message, this); + } + }; + DTMF.prototype.receiveResponse = function (response) { + var statusCode = response && response.statusCode ? response.statusCode : 0; + switch (true) { + case /^1[0-9]{2}$/.test(statusCode.toString()): + // Ignore provisional responses. + break; + case /^2[0-9]{2}$/.test(statusCode.toString()): + this.emit("succeeded", { + originator: "remote", + response: response + }); + break; + default: + var cause = Utils_1.Utils.sipErrorCause(statusCode); + this.emit("failed", response, cause); + break; + } + }; + DTMF.prototype.onRequestTimeout = function () { + this.emit("failed", undefined, Constants_1.C.causes.REQUEST_TIMEOUT); + this.owner.onRequestTimeout(); + }; + DTMF.prototype.onTransportError = function () { + this.emit("failed", undefined, Constants_1.C.causes.CONNECTION_ERROR); + this.owner.onTransportError(); + }; + DTMF.prototype.onDialogError = function (response) { + this.emit("failed", response, Constants_1.C.causes.DIALOG_ERROR); + this.owner.onDialogError(response); + }; + return DTMF; +}(events_1.EventEmitter)); +exports.DTMF = DTMF; + + +/***/ }), +/* 92 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var allowed_methods_1 = __webpack_require__(58); +var Enums_1 = __webpack_require__(82); +var Utils_1 = __webpack_require__(83); +/** + * While this class is named `Subscription`, it is closer to + * an implementation of a "subscriber" as defined in RFC 6665 + * "SIP-Specific Event Notifications". + * https://tools.ietf.org/html/rfc6665 + * @class Class creating a SIP Subscriber. + */ +var Subscription = /** @class */ (function (_super) { + tslib_1.__extends(Subscription, _super); + /** + * Constructor. + * @param ua User agent. + * @param target Subscription target. + * @param event Subscription event. + * @param options Options bucket. + */ + function Subscription(ua, target, event, options) { + if (options === void 0) { options = {}; } + var _this = _super.call(this) || this; + _this.data = {}; + _this.method = Constants_1.C.SUBSCRIBE; + _this.body = undefined; + // ClientContext interface + _this.type = Enums_1.TypeStrings.Subscription; + _this.ua = ua; + _this.logger = ua.getLogger("sip.subscription"); + if (options.body) { + _this.body = { + body: options.body, + contentType: options.contentType ? options.contentType : "application/sdp" + }; + } + // Target URI + var uri = ua.normalizeTarget(target); + if (!uri) { + throw new TypeError("Invalid target: " + target); + } + _this.uri = uri; + // Subscription event + _this.event = event; + // Subscription expires + if (options.expires === undefined) { + _this.expires = 3600; + } + else if (typeof options.expires !== "number") { // pre-typescript type guard + ua.logger.warn("Option \"expires\" must be a number. Using default of 3600."); + _this.expires = 3600; + } + else { + _this.expires = options.expires; + } + // Subscription extra headers + _this.extraHeaders = (options.extraHeaders || []).slice(); + // Subscription context. + _this.context = _this.initContext(); + _this.disposed = false; + // ClientContext interface + _this.request = _this.context.message; + if (!_this.request.from) { + throw new Error("From undefined."); + } + if (!_this.request.to) { + throw new Error("From undefined."); + } + _this.localIdentity = _this.request.from; + _this.remoteIdentity = _this.request.to; + // Add to UA's collection + _this.id = _this.request.callId + _this.request.from.parameters.tag + _this.event; + _this.ua.subscriptions[_this.id] = _this; + return _this; + } + /** + * Destructor. + */ + Subscription.prototype.dispose = function () { + if (this.disposed) { + return; + } + if (this.retryAfterTimer) { + clearTimeout(this.retryAfterTimer); + this.retryAfterTimer = undefined; + } + this.context.dispose(); + this.disposed = true; + // Remove from UA's collection + delete this.ua.subscriptions[this.id]; + }; + Subscription.prototype.on = function (name, callback) { + return _super.prototype.on.call(this, name, callback); + }; + Subscription.prototype.emit = function (event) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + return _super.prototype.emit.apply(this, tslib_1.__spreadArrays([event], args)); + }; + /** + * Gracefully terminate. + */ + Subscription.prototype.close = function () { + if (this.disposed) { + return; + } + this.dispose(); + switch (this.context.state) { + case core_1.SubscriptionState.Initial: + this.onTerminated(); + break; + case core_1.SubscriptionState.NotifyWait: + this.onTerminated(); + break; + case core_1.SubscriptionState.Pending: + this.unsubscribe(); + break; + case core_1.SubscriptionState.Active: + this.unsubscribe(); + break; + case core_1.SubscriptionState.Terminated: + this.onTerminated(); + break; + default: + break; + } + }; + /** + * Send a re-SUBSCRIBE request if there is an "active" subscription. + */ + Subscription.prototype.refresh = function () { + var _this = this; + switch (this.context.state) { + case core_1.SubscriptionState.Initial: + break; + case core_1.SubscriptionState.NotifyWait: + break; + case core_1.SubscriptionState.Pending: + break; + case core_1.SubscriptionState.Active: + if (this.subscription) { + var request = this.subscription.refresh(); + request.delegate = { + onAccept: (function (response) { return _this.onAccepted(response); }), + onRedirect: (function (response) { return _this.onFailed(response); }), + onReject: (function (response) { return _this.onFailed(response); }), + }; + } + break; + case core_1.SubscriptionState.Terminated: + break; + default: + break; + } + }; + /** + * Send an initial SUBSCRIBE request if no subscription. + * Send a re-SUBSCRIBE request if there is an "active" subscription. + */ + Subscription.prototype.subscribe = function () { + var _this = this; + switch (this.context.state) { + case core_1.SubscriptionState.Initial: + this.context.subscribe().then(function (result) { + if (result.success) { + if (result.success.subscription) { + _this.subscription = result.success.subscription; + _this.subscription.delegate = { + onNotify: function (request) { return _this.onNotify(request); }, + onRefresh: function (request) { return _this.onRefresh(request); }, + onTerminated: function () { return _this.close(); } + }; + } + _this.onNotify(result.success.request); + } + else if (result.failure) { + _this.onFailed(result.failure.response); + } + }); + break; + case core_1.SubscriptionState.NotifyWait: + break; + case core_1.SubscriptionState.Pending: + break; + case core_1.SubscriptionState.Active: + this.refresh(); + break; + case core_1.SubscriptionState.Terminated: + break; + default: + break; + } + return this; + }; + /** + * Send a re-SUBSCRIBE request if there is a "pending" or "active" subscription. + */ + Subscription.prototype.unsubscribe = function () { + this.dispose(); + switch (this.context.state) { + case core_1.SubscriptionState.Initial: + break; + case core_1.SubscriptionState.NotifyWait: + break; + case core_1.SubscriptionState.Pending: + if (this.subscription) { + this.subscription.unsubscribe(); + // responses intentionally ignored + } + break; + case core_1.SubscriptionState.Active: + if (this.subscription) { + this.subscription.unsubscribe(); + // responses intentionally ignored + } + break; + case core_1.SubscriptionState.Terminated: + break; + default: + break; + } + this.onTerminated(); + }; + Subscription.prototype.onAccepted = function (response) { + var statusCode = response.message.statusCode ? response.message.statusCode : 0; + var cause = Utils_1.Utils.getReasonPhrase(statusCode); + this.emit("accepted", response.message, cause); + }; + Subscription.prototype.onFailed = function (response) { + this.close(); + if (response) { + var statusCode = response.message.statusCode ? response.message.statusCode : 0; + var cause = Utils_1.Utils.getReasonPhrase(statusCode); + this.emit("failed", response.message, cause); + this.emit("rejected", response.message, cause); + } + }; + Subscription.prototype.onNotify = function (request) { + var _this = this; + request.accept(); // Send 200 response. + this.emit("notify", { request: request.message }); + // If we've set state to done, no further processing should take place + // and we are only interested in cleaning up after the appropriate NOTIFY. + if (this.disposed) { + return; + } + // If the "Subscription-State" value is "terminated", the subscriber + // MUST consider the subscription terminated. The "expires" parameter + // has no semantics for "terminated" -- notifiers SHOULD NOT include an + // "expires" parameter on a "Subscription-State" header field with a + // value of "terminated", and subscribers MUST ignore any such + // parameter, if present. If a reason code is present, the client + // should behave as described below. If no reason code or an unknown + // reason code is present, the client MAY attempt to re-subscribe at any + // time (unless a "retry-after" parameter is present, in which case the + // client SHOULD NOT attempt re-subscription until after the number of + // seconds specified by the "retry-after" parameter). The reason codes + // defined by this document are: + // https://tools.ietf.org/html/rfc6665#section-4.1.3 + var subscriptionState = request.message.parseHeader("Subscription-State"); + if (subscriptionState && subscriptionState.state) { + switch (subscriptionState.state) { + case "terminated": + if (subscriptionState.reason) { + this.logger.log("Terminated subscription with reason " + subscriptionState.reason); + switch (subscriptionState.reason) { + case "deactivated": + case "timeout": + this.initContext(); + this.subscribe(); + return; + case "probation": + case "giveup": + this.initContext(); + if (subscriptionState.params && subscriptionState.params["retry-after"]) { + this.retryAfterTimer = setTimeout(function () { return _this.subscribe(); }, subscriptionState.params["retry-after"]); + } + else { + this.subscribe(); + } + return; + case "rejected": + case "noresource": + case "invariant": + break; + } + } + this.close(); + break; + default: + break; + } + } + }; + Subscription.prototype.onRefresh = function (request) { + var _this = this; + request.delegate = { + onAccept: function (response) { return _this.onAccepted(response); } + }; + }; + Subscription.prototype.onTerminated = function () { + this.emit("terminated"); + }; + Subscription.prototype.initContext = function () { + var _this = this; + var options = { + extraHeaders: this.extraHeaders, + body: this.body ? Utils_1.Utils.fromBodyObj(this.body) : undefined + }; + this.context = new SubscribeClientContext(this.ua.userAgentCore, this.uri, this.event, this.expires, options); + this.context.delegate = { + onAccept: (function (response) { return _this.onAccepted(response); }) + }; + return this.context; + }; + return Subscription; +}(events_1.EventEmitter)); +exports.Subscription = Subscription; +// tslint:disable-next-line:max-classes-per-file +var SubscribeClientContext = /** @class */ (function () { + function SubscribeClientContext(core, target, event, expires, options, delegate) { + this.core = core; + this.target = target; + this.event = event; + this.expires = expires; + this.subscribed = false; + this.logger = core.loggerFactory.getLogger("sip.subscription"); + this.delegate = delegate; + var allowHeader = "Allow: " + allowed_methods_1.AllowedMethods.toString(); + var extraHeaders = (options && options.extraHeaders || []).slice(); + extraHeaders.push(allowHeader); + extraHeaders.push("Event: " + this.event); + extraHeaders.push("Expires: " + this.expires); + extraHeaders.push("Contact: " + this.core.configuration.contact.toString()); + var body = options && options.body; + this.message = core.makeOutgoingRequestMessage(Constants_1.C.SUBSCRIBE, this.target, this.core.configuration.aor, this.target, {}, extraHeaders, body); + } + /** Destructor. */ + SubscribeClientContext.prototype.dispose = function () { + if (this.subscription) { + this.subscription.dispose(); + } + if (this.request) { + this.request.waitNotifyStop(); + this.request.dispose(); + } + }; + Object.defineProperty(SubscribeClientContext.prototype, "state", { + /** Subscription state. */ + get: function () { + if (this.subscription) { + return this.subscription.subscriptionState; + } + else if (this.subscribed) { + return core_1.SubscriptionState.NotifyWait; + } + else { + return core_1.SubscriptionState.Initial; + } + }, + enumerable: true, + configurable: true + }); + /** + * Establish subscription. + * @param options Options bucket. + */ + SubscribeClientContext.prototype.subscribe = function () { + var _this = this; + if (this.subscribed) { + return Promise.reject(new Error("Not in initial state. Did you call subscribe more than once?")); + } + this.subscribed = true; + return new Promise(function (resolve, reject) { + if (!_this.message) { + throw new Error("Message undefined."); + } + _this.request = _this.core.subscribe(_this.message, { + // This SUBSCRIBE request will be confirmed with a final response. + // 200-class responses indicate that the subscription has been accepted + // and that a NOTIFY request will be sent immediately. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.1 + onAccept: function (response) { + if (_this.delegate && _this.delegate.onAccept) { + _this.delegate.onAccept(response); + } + }, + // Due to the potential for out-of-order messages, packet loss, and + // forking, the subscriber MUST be prepared to receive NOTIFY requests + // before the SUBSCRIBE transaction has completed. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.4 + onNotify: function (requestWithSubscription) { + _this.subscription = requestWithSubscription.subscription; + if (_this.subscription) { + _this.subscription.autoRefresh = true; + } + resolve({ success: requestWithSubscription }); + }, + // If this Timer N expires prior to the receipt of a NOTIFY request, + // the subscriber considers the subscription failed, and cleans up + // any state associated with the subscription attempt. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.4 + onNotifyTimeout: function () { + resolve({ failure: {} }); + }, + // This SUBSCRIBE request will be confirmed with a final response. + // Non-200-class final responses indicate that no subscription or new + // dialog usage has been created, and no subsequent NOTIFY request will + // be sent. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.1 + onRedirect: function (response) { + resolve({ failure: { response: response } }); + }, + // This SUBSCRIBE request will be confirmed with a final response. + // Non-200-class final responses indicate that no subscription or new + // dialog usage has been created, and no subsequent NOTIFY request will + // be sent. + // https://tools.ietf.org/html/rfc6665#section-4.1.2.1 + onReject: function (response) { + resolve({ failure: { response: response } }); + } + }); + }); + }; + return SubscribeClientContext; +}()); + + +/***/ }), +/* 93 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var ClientContext_1 = __webpack_require__(79); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Parser_1 = __webpack_require__(85); +var PublishContext_1 = __webpack_require__(86); +var ReferContext_1 = __webpack_require__(87); +var RegisterContext_1 = __webpack_require__(89); +var ServerContext_1 = __webpack_require__(88); +var Session_1 = __webpack_require__(90); +var Subscription_1 = __webpack_require__(92); +var Utils_1 = __webpack_require__(83); +var SessionDescriptionHandler_1 = __webpack_require__(94); +var Transport_1 = __webpack_require__(103); +/** + * @class Class creating a SIP User Agent. + * @param {function returning SIP.sessionDescriptionHandler} [configuration.sessionDescriptionHandlerFactory] + * A function will be invoked by each of the UA's Sessions to build the sessionDescriptionHandler for that Session. + * If no (or a falsy) value is provided, each Session will use a default (WebRTC) sessionDescriptionHandler. + */ +var UA = /** @class */ (function (_super) { + tslib_1.__extends(UA, _super); + function UA(configuration) { + var _this = _super.call(this) || this; + /** Unload listener. */ + _this.unloadListener = (function () { _this.stop(); }); + _this.type = Enums_1.TypeStrings.UA; + _this.log = new core_1.LoggerFactory(); + _this.logger = _this.getLogger("sip.ua"); + _this.configuration = {}; + // User actions outside any session/dialog (MESSAGE) + _this.applicants = {}; + _this.data = {}; + _this.sessions = {}; + _this.subscriptions = {}; + _this.publishers = {}; + _this.status = Enums_1.UAStatus.STATUS_INIT; + /** + * Load configuration + * + * @throws {SIP.Exceptions.ConfigurationError} + * @throws {TypeError} + */ + if (configuration === undefined) { + configuration = {}; + } + else if (typeof configuration === "string" || configuration instanceof String) { + configuration = { + uri: configuration + }; + } + // Apply log configuration if present + if (configuration.log) { + _this.log.builtinEnabled = configuration.log.builtinEnabled; + if (configuration.log.hasOwnProperty("connector")) { + _this.log.connector = configuration.log.connector; + } + if (configuration.log.hasOwnProperty("level")) { + var level = configuration.log.level; + var normalized = void 0; + if (typeof level === "string") { + switch (level) { + case "error": + normalized = core_1.Levels.error; + break; + case "warn": + normalized = core_1.Levels.warn; + break; + case "log": + normalized = core_1.Levels.log; + break; + case "debug": + normalized = core_1.Levels.debug; + break; + default: + break; + } + } + else { + switch (level) { + case 0: + normalized = core_1.Levels.error; + break; + case 1: + normalized = core_1.Levels.warn; + break; + case 2: + normalized = core_1.Levels.log; + break; + case 3: + normalized = core_1.Levels.debug; + break; + default: + break; + } + } + // avoid setting level when invalid, use default level instead + if (normalized === undefined) { + _this.logger.error("Invalid \"level\" parameter value: " + JSON.stringify(level)); + } + else { + _this.log.level = normalized; + } + } + } + var deprecatedMessage = "The UA class has been deprecated and will no longer be available starting with SIP.js release 0.16.0. " + + "The UA has been replaced by the UserAgent class. Please update accordingly."; + _this.logger.warn(deprecatedMessage); + try { + _this.loadConfig(configuration); + } + catch (e) { + _this.status = Enums_1.UAStatus.STATUS_NOT_READY; + _this.error = UA.C.CONFIGURATION_ERROR; + throw e; + } + if (!_this.configuration.transportConstructor) { + throw new core_1.TransportError("Transport constructor not set"); + } + _this.transport = new _this.configuration.transportConstructor(_this.getLogger("sip.transport"), _this.configuration.transportOptions); + var userAgentCoreConfiguration = makeUserAgentCoreConfigurationFromUA(_this); + // The Replaces header contains information used to match an existing + // SIP dialog (call-id, to-tag, and from-tag). Upon receiving an INVITE + // with a Replaces header, the User Agent (UA) attempts to match this + // information with a confirmed or early dialog. + // https://tools.ietf.org/html/rfc3891#section-3 + var handleInviteWithReplacesHeader = function (context, request) { + if (_this.configuration.replaces !== Constants_1.C.supported.UNSUPPORTED) { + var replaces = request.parseHeader("replaces"); + if (replaces) { + var targetSession = _this.sessions[replaces.call_id + replaces.replaces_from_tag] || + _this.sessions[replaces.call_id + replaces.replaces_to_tag] || + undefined; + if (!targetSession) { + _this.userAgentCore.replyStateless(request, { statusCode: 481 }); + return; + } + if (targetSession.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + _this.userAgentCore.replyStateless(request, { statusCode: 603 }); + return; + } + var targetDialogId = replaces.call_id + replaces.replaces_to_tag + replaces.replaces_from_tag; + var targetDialog = _this.userAgentCore.dialogs.get(targetDialogId); + if (!targetDialog) { + _this.userAgentCore.replyStateless(request, { statusCode: 481 }); + return; + } + if (!targetDialog.early && replaces.early_only) { + _this.userAgentCore.replyStateless(request, { statusCode: 486 }); + return; + } + context.replacee = targetSession; + } + } + }; + var userAgentCoreDelegate = { + onInvite: function (incomingInviteRequest) { + // FIXME: Ported - 100 Trying send should be configurable. + // Only required if TU will not respond in 200ms. + // https://tools.ietf.org/html/rfc3261#section-17.2.1 + incomingInviteRequest.trying(); + incomingInviteRequest.delegate = { + onCancel: function (cancel) { + context.onCancel(cancel); + }, + onTransportError: function (error) { + context.onTransportError(); + } + }; + var context = new Session_1.InviteServerContext(_this, incomingInviteRequest); + // Ported - handling of out of dialog INVITE with Replaces. + handleInviteWithReplacesHeader(context, incomingInviteRequest.message); + // Ported - make the first call to progress automatically. + if (context.autoSendAnInitialProvisionalResponse) { + context.progress(); + } + _this.emit("invite", context); + }, + onMessage: function (incomingMessageRequest) { + // Ported - handling of out of dialog MESSAGE. + var serverContext = new ServerContext_1.ServerContext(_this, incomingMessageRequest); + serverContext.body = incomingMessageRequest.message.body; + serverContext.contentType = incomingMessageRequest.message.getHeader("Content-Type") || "text/plain"; + incomingMessageRequest.accept(); + _this.emit("message", serverContext); // TODO: Review. Why is a "ServerContext" emitted? What use it is? + }, + onNotify: function (incomingNotifyRequest) { + // DEPRECATED: Out of dialog NOTIFY is an obsolete usage. + // Ported - handling of out of dialog NOTIFY. + if (_this.configuration.allowLegacyNotifications && _this.listeners("notify").length > 0) { + incomingNotifyRequest.accept(); + _this.emit("notify", { request: incomingNotifyRequest.message }); + } + else { + incomingNotifyRequest.reject({ statusCode: 481 }); + } + }, + onRefer: function (incomingReferRequest) { + // Ported - handling of out of dialog REFER. + _this.logger.log("Received an out of dialog refer"); + if (!_this.configuration.allowOutOfDialogRefers) { + incomingReferRequest.reject({ statusCode: 405 }); + } + _this.logger.log("Allow out of dialog refers is enabled on the UA"); + var referContext = new ReferContext_1.ReferServerContext(_this, incomingReferRequest); + if (_this.listeners("outOfDialogReferRequested").length) { + _this.emit("outOfDialogReferRequested", referContext); + } + else { + _this.logger.log("No outOfDialogReferRequest listeners, automatically accepting and following the out of dialog refer"); + referContext.accept({ followRefer: true }); + } + }, + onSubscribe: function (incomingSubscribeRequest) { + _this.emit("subscribe", incomingSubscribeRequest); + }, + }; + _this.userAgentCore = new core_1.UserAgentCore(userAgentCoreConfiguration, userAgentCoreDelegate); + // Initialize registerContext + _this.registerContext = new RegisterContext_1.RegisterContext(_this, configuration.registerOptions); + _this.registerContext.on("failed", _this.emit.bind(_this, "registrationFailed")); + _this.registerContext.on("registered", _this.emit.bind(_this, "registered")); + _this.registerContext.on("unregistered", _this.emit.bind(_this, "unregistered")); + if (_this.configuration.autostart) { + _this.start(); + } + return _this; + } + // ================= + // High Level API + // ================= + UA.prototype.register = function (options) { + if (options === void 0) { options = {}; } + if (options.register) { + this.configuration.register = true; + } + this.registerContext.register(options); + return this; + }; + /** + * Unregister. + * + * @param {Boolean} [all] unregister all user bindings. + * + */ + UA.prototype.unregister = function (options) { + var _this = this; + this.configuration.register = false; + this.transport.afterConnected(function () { + _this.registerContext.unregister(options); + }); + return this; + }; + UA.prototype.isRegistered = function () { + return this.registerContext.registered; + }; + /** + * Make an outgoing call. + * + * @param {String} target + * @param {Object} views + * @param {Object} [options.media] gets passed to SIP.sessionDescriptionHandler.getDescription as mediaHint + * + * @throws {TypeError} + * + */ + UA.prototype.invite = function (target, options, modifiers) { + var _this = this; + var context = new Session_1.InviteClientContext(this, target, options, modifiers); + // Delay sending actual invite until the next 'tick' if we are already + // connected, so that API consumers can register to events fired by the + // the session. + this.transport.afterConnected(function () { + context.invite(); + _this.emit("inviteSent", context); + }); + return context; + }; + UA.prototype.subscribe = function (target, event, options) { + var sub = new Subscription_1.Subscription(this, target, event, options); + this.transport.afterConnected(function () { return sub.subscribe(); }); + return sub; + }; + /** + * Send PUBLISH Event State Publication (RFC3903) + * + * @param {String} target + * @param {String} event + * @param {String} body + * @param {Object} [options] + * + * @throws {SIP.Exceptions.MethodParameterError} + */ + UA.prototype.publish = function (target, event, body, options) { + var pub = new PublishContext_1.PublishContext(this, target, event, options); + this.transport.afterConnected(function () { + pub.publish(body); + }); + return pub; + }; + /** + * Send a message. + * + * @param {String} target + * @param {String} body + * @param {Object} [options] + * + * @throws {TypeError} + */ + UA.prototype.message = function (target, body, options) { + if (options === void 0) { options = {}; } + if (body === undefined) { + throw new TypeError("Not enough arguments"); + } + // There is no Message module, so it is okay that the UA handles defaults here. + options.contentType = options.contentType || "text/plain"; + options.body = body; + return this.request(Constants_1.C.MESSAGE, target, options); + }; + UA.prototype.request = function (method, target, options) { + var req = new ClientContext_1.ClientContext(this, method, target, options); + this.transport.afterConnected(function () { return req.send(); }); + return req; + }; + /** + * Gracefully close. + */ + UA.prototype.stop = function () { + this.logger.log("user requested closure..."); + if (this.status === Enums_1.UAStatus.STATUS_USER_CLOSED) { + this.logger.warn("UA already closed"); + return this; + } + // Close registerContext + this.logger.log("closing registerContext"); + this.registerContext.close(); + // Run terminate on every Session + for (var session in this.sessions) { + if (this.sessions[session]) { + this.logger.log("closing session " + session); + this.sessions[session].terminate(); + } + } + // Run unsubscribe on every Subscription + for (var subscription in this.subscriptions) { + if (this.subscriptions[subscription]) { + this.logger.log("unsubscribe " + subscription); + this.subscriptions[subscription].unsubscribe(); + } + } + // Run close on every Publisher + for (var publisher in this.publishers) { + if (this.publishers[publisher]) { + this.logger.log("unpublish " + publisher); + this.publishers[publisher].close(); + } + } + // Run close on every applicant + for (var applicant in this.applicants) { + if (this.applicants[applicant]) { + this.applicants[applicant].close(); + } + } + this.status = Enums_1.UAStatus.STATUS_USER_CLOSED; + // Disconnect the transport and reset user agent core + this.transport.disconnect(); + this.userAgentCore.reset(); + if (this.configuration.autostop) { + // Google Chrome Packaged Apps don't allow 'unload' listeners: unload is not available in packaged apps + var googleChromePackagedApp = typeof chrome !== "undefined" && chrome.app && chrome.app.runtime ? true : false; + if (typeof window !== "undefined" && + typeof window.removeEventListener === "function" && + !googleChromePackagedApp) { + window.removeEventListener("unload", this.unloadListener); + } + } + return this; + }; + /** + * Connect to the WS server if status = STATUS_INIT. + * Resume UA after being closed. + * + */ + UA.prototype.start = function () { + this.logger.log("user requested startup..."); + if (this.status === Enums_1.UAStatus.STATUS_INIT) { + this.status = Enums_1.UAStatus.STATUS_STARTING; + this.setTransportListeners(); + this.emit("transportCreated", this.transport); + this.transport.connect(); + } + else if (this.status === Enums_1.UAStatus.STATUS_USER_CLOSED) { + this.logger.log("resuming"); + this.status = Enums_1.UAStatus.STATUS_READY; + this.transport.connect(); + } + else if (this.status === Enums_1.UAStatus.STATUS_STARTING) { + this.logger.log("UA is in STARTING status, not opening new connection"); + } + else if (this.status === Enums_1.UAStatus.STATUS_READY) { + this.logger.log("UA is in READY status, not resuming"); + } + else { + this.logger.error("Connection is down. Auto-Recovery system is trying to connect"); + } + if (this.configuration.autostop) { + // Google Chrome Packaged Apps don't allow 'unload' listeners: unload is not available in packaged apps + var googleChromePackagedApp = typeof chrome !== "undefined" && chrome.app && chrome.app.runtime ? true : false; + if (typeof window !== "undefined" && + typeof window.addEventListener === "function" && + !googleChromePackagedApp) { + window.addEventListener("unload", this.unloadListener); + } + } + return this; + }; + /** + * Normalize a string into a valid SIP request URI + * + * @param {String} target + * + * @returns {SIP.URI|undefined} + */ + UA.prototype.normalizeTarget = function (target) { + return Utils_1.Utils.normalizeTarget(target, this.configuration.hostportParams); + }; + UA.prototype.getLogger = function (category, label) { + return this.log.getLogger(category, label); + }; + UA.prototype.getLoggerFactory = function () { + return this.log; + }; + UA.prototype.getSupportedResponseOptions = function () { + var optionTags = []; + if (this.contact.pubGruu || this.contact.tempGruu) { + optionTags.push("gruu"); + } + if (this.configuration.rel100 === Constants_1.C.supported.SUPPORTED) { + optionTags.push("100rel"); + } + if (this.configuration.replaces === Constants_1.C.supported.SUPPORTED) { + optionTags.push("replaces"); + } + optionTags.push("outbound"); + optionTags = optionTags.concat(this.configuration.extraSupported || []); + var allowUnregistered = this.configuration.hackAllowUnregisteredOptionTags || false; + var optionTagSet = {}; + optionTags = optionTags.filter(function (optionTag) { + var registered = Constants_1.C.OPTION_TAGS[optionTag]; + var unique = !optionTagSet[optionTag]; + optionTagSet[optionTag] = true; + return (registered || allowUnregistered) && unique; + }); + return optionTags; + }; + /** + * Get the session to which the request belongs to, if any. + * @param {SIP.IncomingRequest} request. + * @returns {SIP.OutgoingSession|SIP.IncomingSession|undefined} + */ + UA.prototype.findSession = function (request) { + return this.sessions[request.callId + request.fromTag] || + this.sessions[request.callId + request.toTag] || + undefined; + }; + UA.prototype.on = function (name, callback) { return _super.prototype.on.call(this, name, callback); }; + // ============================== + // Event Handlers + // ============================== + UA.prototype.onTransportError = function () { + if (this.status === Enums_1.UAStatus.STATUS_USER_CLOSED) { + return; + } + if (!this.error || this.error !== UA.C.NETWORK_ERROR) { + this.status = Enums_1.UAStatus.STATUS_NOT_READY; + this.error = UA.C.NETWORK_ERROR; + } + }; + /** + * Helper function. Sets transport listeners + */ + UA.prototype.setTransportListeners = function () { + var _this = this; + this.transport.on("connected", function () { return _this.onTransportConnected(); }); + this.transport.on("message", function (message) { return _this.onTransportReceiveMsg(message); }); + this.transport.on("transportError", function () { return _this.onTransportError(); }); + }; + /** + * Transport connection event. + * @event + * @param {SIP.Transport} transport. + */ + UA.prototype.onTransportConnected = function () { + var _this = this; + if (this.configuration.register) { + // In an effor to maintain behavior from when we "initialized" an + // authentication factory, this is in a Promise.then + Promise.resolve().then(function () { return _this.registerContext.register(); }); + } + }; + /** + * Handle SIP message received from the transport. + * @param messageString The message. + */ + UA.prototype.onTransportReceiveMsg = function (messageString) { + var _this = this; + var message = Parser_1.Parser.parseMessage(messageString, this.getLogger("sip.parser")); + if (!message) { + this.logger.warn("UA failed to parse incoming SIP message - discarding."); + return; + } + if (this.status === Enums_1.UAStatus.STATUS_USER_CLOSED && message instanceof core_1.IncomingRequestMessage) { + this.logger.warn("UA received message when status = USER_CLOSED - aborting"); + return; + } + // A valid SIP request formulated by a UAC MUST, at a minimum, contain + // the following header fields: To, From, CSeq, Call-ID, Max-Forwards, + // and Via; all of these header fields are mandatory in all SIP + // requests. + // https://tools.ietf.org/html/rfc3261#section-8.1.1 + var hasMinimumHeaders = function () { + var mandatoryHeaders = ["from", "to", "call_id", "cseq", "via"]; + for (var _i = 0, mandatoryHeaders_1 = mandatoryHeaders; _i < mandatoryHeaders_1.length; _i++) { + var header = mandatoryHeaders_1[_i]; + if (!message.hasHeader(header)) { + _this.logger.warn("Missing mandatory header field : " + header + "."); + return false; + } + } + return true; + }; + // Request Checks + if (message instanceof core_1.IncomingRequestMessage) { + // This is port of SanityCheck.minimumHeaders(). + if (!hasMinimumHeaders()) { + this.logger.warn("Request missing mandatory header field. Dropping."); + return; + } + // FIXME: This is non-standard and should be a configruable behavior (desirable regardless). + // Custom SIP.js check to reject request from ourself (this instance of SIP.js). + // This is port of SanityCheck.rfc3261_16_3_4(). + if (!message.toTag && message.callId.substr(0, 5) === this.configuration.sipjsId) { + this.userAgentCore.replyStateless(message, { statusCode: 482 }); + return; + } + // FIXME: This should be Transport check before we get here (Section 18). + // Custom SIP.js check to reject requests if body length wrong. + // This is port of SanityCheck.rfc3261_18_3_request(). + var len = Utils_1.Utils.str_utf8_length(message.body); + var contentLength = message.getHeader("content-length"); + if (contentLength && len < Number(contentLength)) { + this.userAgentCore.replyStateless(message, { statusCode: 400 }); + return; + } + } + // Reponse Checks + if (message instanceof core_1.IncomingResponseMessage) { + // This is port of SanityCheck.minimumHeaders(). + if (!hasMinimumHeaders()) { + this.logger.warn("Response missing mandatory header field. Dropping."); + return; + } + // Custom SIP.js check to drop responses if multiple Via headers. + // This is port of SanityCheck.rfc3261_8_1_3_3(). + if (message.getHeaders("via").length > 1) { + this.logger.warn("More than one Via header field present in the response. Dropping."); + return; + } + // FIXME: This should be Transport check before we get here (Section 18). + // Custom SIP.js check to drop responses if bad Via header. + // This is port of SanityCheck.rfc3261_18_1_2(). + if (message.via.host !== this.configuration.viaHost || message.via.port !== undefined) { + this.logger.warn("Via sent-by in the response does not match UA Via host value. Dropping."); + return; + } + // FIXME: This should be Transport check before we get here (Section 18). + // Custom SIP.js check to reject requests if body length wrong. + // This is port of SanityCheck.rfc3261_18_3_response(). + var len = Utils_1.Utils.str_utf8_length(message.body); + var contentLength = message.getHeader("content-length"); + if (contentLength && len < Number(contentLength)) { + this.logger.warn("Message body length is lower than the value in Content-Length header field. Dropping."); + return; + } + } + // Handle Request + if (message instanceof core_1.IncomingRequestMessage) { + this.userAgentCore.receiveIncomingRequestFromTransport(message); + return; + } + // Handle Response + if (message instanceof core_1.IncomingResponseMessage) { + this.userAgentCore.receiveIncomingResponseFromTransport(message); + return; + } + throw new Error("Invalid message type."); + }; + // ================= + // Utils + // ================= + UA.prototype.checkAuthenticationFactory = function (authenticationFactory) { + if (!(authenticationFactory instanceof Function)) { + return; + } + if (!authenticationFactory.initialize) { + authenticationFactory.initialize = function () { + return Promise.resolve(); + }; + } + return authenticationFactory; + }; + /** + * Configuration load. + * returns {void} + */ + UA.prototype.loadConfig = function (configuration) { + var _this = this; + // Settings and default values + var settings = { + /* Host address + * Value to be set in Via sent_by and host part of Contact FQDN + */ + viaHost: Utils_1.Utils.createRandomToken(12) + ".invalid", + uri: new core_1.URI("sip", "anonymous." + Utils_1.Utils.createRandomToken(6), "anonymous.invalid", undefined, undefined), + // Custom Configuration Settings + custom: {}, + // Display name + displayName: "", + // Password + password: undefined, + register: true, + // Registration parameters + registerOptions: {}, + // Transport related parameters + transportConstructor: Transport_1.Transport, + transportOptions: {}, + usePreloadedRoute: false, + // string to be inserted into User-Agent request header + userAgentString: Constants_1.C.USER_AGENT, + // Session parameters + noAnswerTimeout: 60, + // Hacks + hackViaTcp: false, + hackIpInContact: false, + hackWssInTransport: false, + hackAllowUnregisteredOptionTags: false, + // Session Description Handler Options + sessionDescriptionHandlerFactoryOptions: { + constraints: {}, + peerConnectionOptions: {} + }, + extraSupported: [], + contactName: Utils_1.Utils.createRandomToken(8), + contactTransport: "ws", + forceRport: false, + // autostarting + autostart: true, + autostop: true, + // Reliable Provisional Responses + rel100: Constants_1.C.supported.UNSUPPORTED, + // DTMF type: 'info' or 'rtp' (RFC 4733) + // RTP Payload Spec: https://tools.ietf.org/html/rfc4733 + // WebRTC Audio Spec: https://tools.ietf.org/html/rfc7874 + dtmfType: Constants_1.C.dtmfType.INFO, + // Replaces header (RFC 3891) + // http://tools.ietf.org/html/rfc3891 + replaces: Constants_1.C.supported.UNSUPPORTED, + sessionDescriptionHandlerFactory: SessionDescriptionHandler_1.SessionDescriptionHandler.defaultFactory, + authenticationFactory: this.checkAuthenticationFactory(function (ua) { + return new core_1.DigestAuthentication(ua.getLoggerFactory(), _this.configuration.authorizationUser, _this.configuration.password); + }), + allowLegacyNotifications: false, + allowOutOfDialogRefers: false, + experimentalFeatures: false + }; + var configCheck = this.getConfigurationCheck(); + // Check Mandatory parameters + for (var parameter in configCheck.mandatory) { + if (!configuration.hasOwnProperty(parameter)) { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter); + } + else { + var value = configuration[parameter]; + var checkedValue = configCheck.mandatory[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + // Check Optional parameters + for (var parameter in configCheck.optional) { + if (configuration.hasOwnProperty(parameter)) { + var value = configuration[parameter]; + // If the parameter value is an empty array, but shouldn't be, apply its default value. + // If the parameter value is null, empty string, or undefined then apply its default value. + // If it's a number with NaN value then also apply its default value. + // NOTE: JS does not allow "value === NaN", the following does the work: + if ((value instanceof Array && value.length === 0) || + (value === null || value === "" || value === undefined) || + (typeof (value) === "number" && isNaN(value))) { + continue; + } + var checkedValue = configCheck.optional[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + // Post Configuration Process + // Allow passing 0 number as displayName. + if (settings.displayName === 0) { + settings.displayName = "0"; + } + // sipjsId instance parameter. Static random tag of length 5 + settings.sipjsId = Utils_1.Utils.createRandomToken(5); + // String containing settings.uri without scheme and user. + var hostportParams = settings.uri.clone(); + hostportParams.user = undefined; + settings.hostportParams = hostportParams.toRaw().replace(/^sip:/i, ""); + /* Check whether authorizationUser is explicitly defined. + * Take 'settings.uri.user' value if not. + */ + if (!settings.authorizationUser) { + settings.authorizationUser = settings.uri.user; + } + // User noAnswerTimeout + settings.noAnswerTimeout = settings.noAnswerTimeout * 1000; + // Via Host + if (settings.hackIpInContact) { + if (typeof settings.hackIpInContact === "boolean") { + var from = 1; + var to = 254; + var octet = Math.floor(Math.random() * (to - from + 1) + from); + // random Test-Net IP (http://tools.ietf.org/html/rfc5735) + settings.viaHost = "192.0.2." + octet; + } + else if (typeof settings.hackIpInContact === "string") { + settings.viaHost = settings.hackIpInContact; + } + } + // Contact transport parameter + if (settings.hackWssInTransport) { + settings.contactTransport = "wss"; + } + this.contact = { + pubGruu: undefined, + tempGruu: undefined, + uri: new core_1.URI("sip", settings.contactName, settings.viaHost, undefined, { transport: settings.contactTransport }), + toString: function (options) { + if (options === void 0) { options = {}; } + var anonymous = options.anonymous || false; + var outbound = options.outbound || false; + var contact = "<"; + if (anonymous) { + contact += (_this.contact.tempGruu || + ("sip:anonymous@anonymous.invalid;transport=" + settings.contactTransport)).toString(); + } + else { + contact += (_this.contact.pubGruu || _this.contact.uri).toString(); + } + if (outbound) { + contact += ";ob"; + } + contact += ">"; + return contact; + } + }; + var skeleton = {}; + // Fill the value of the configuration_skeleton + for (var parameter in settings) { + if (settings.hasOwnProperty(parameter)) { + skeleton[parameter] = settings[parameter]; + } + } + Object.assign(this.configuration, skeleton); + this.logger.log("configuration parameters after validation:"); + for (var parameter in settings) { + if (settings.hasOwnProperty(parameter)) { + switch (parameter) { + case "uri": + case "sessionDescriptionHandlerFactory": + this.logger.log("· " + parameter + ": " + settings[parameter]); + break; + case "password": + this.logger.log("· " + parameter + ": " + "NOT SHOWN"); + break; + case "transportConstructor": + this.logger.log("· " + parameter + ": " + settings[parameter].name); + break; + default: + this.logger.log("· " + parameter + ": " + JSON.stringify(settings[parameter])); + } + } + } + return; + }; + /** + * Configuration checker. + * @return {Boolean} + */ + UA.prototype.getConfigurationCheck = function () { + return { + mandatory: {}, + optional: { + uri: function (uri) { + if (!(/^sip:/i).test(uri)) { + uri = Constants_1.C.SIP + ":" + uri; + } + var parsed = core_1.Grammar.URIParse(uri); + if (!parsed || !parsed.user) { + return; + } + else { + return parsed; + } + }, + transportConstructor: function (transportConstructor) { + if (transportConstructor instanceof Function) { + return transportConstructor; + } + }, + transportOptions: function (transportOptions) { + if (typeof transportOptions === "object") { + return transportOptions; + } + }, + authorizationUser: function (authorizationUser) { + if (core_1.Grammar.parse('"' + authorizationUser + '"', "quoted_string") === -1) { + return; + } + else { + return authorizationUser; + } + }, + displayName: function (displayName) { + if (core_1.Grammar.parse('"' + displayName + '"', "displayName") === -1) { + return; + } + else { + return displayName; + } + }, + dtmfType: function (dtmfType) { + switch (dtmfType) { + case Constants_1.C.dtmfType.RTP: + return Constants_1.C.dtmfType.RTP; + case Constants_1.C.dtmfType.INFO: + // Fall through + default: + return Constants_1.C.dtmfType.INFO; + } + }, + hackViaTcp: function (hackViaTcp) { + if (typeof hackViaTcp === "boolean") { + return hackViaTcp; + } + }, + hackIpInContact: function (hackIpInContact) { + if (typeof hackIpInContact === "boolean") { + return hackIpInContact; + } + else if (typeof hackIpInContact === "string" && core_1.Grammar.parse(hackIpInContact, "host") !== -1) { + return hackIpInContact; + } + }, + hackWssInTransport: function (hackWssInTransport) { + if (typeof hackWssInTransport === "boolean") { + return hackWssInTransport; + } + }, + hackAllowUnregisteredOptionTags: function (hackAllowUnregisteredOptionTags) { + if (typeof hackAllowUnregisteredOptionTags === "boolean") { + return hackAllowUnregisteredOptionTags; + } + }, + contactTransport: function (contactTransport) { + if (typeof contactTransport === "string") { + return contactTransport; + } + }, + extraSupported: function (optionTags) { + if (!(optionTags instanceof Array)) { + return; + } + for (var _i = 0, optionTags_1 = optionTags; _i < optionTags_1.length; _i++) { + var tag = optionTags_1[_i]; + if (typeof tag !== "string") { + return; + } + } + return optionTags; + }, + forceRport: function (forceRport) { + if (typeof forceRport === "boolean") { + return forceRport; + } + }, + noAnswerTimeout: function (noAnswerTimeout) { + if (Utils_1.Utils.isDecimal(noAnswerTimeout)) { + var value = Number(noAnswerTimeout); + if (value > 0) { + return value; + } + } + }, + password: function (password) { + return String(password); + }, + rel100: function (rel100) { + if (rel100 === Constants_1.C.supported.REQUIRED) { + return Constants_1.C.supported.REQUIRED; + } + else if (rel100 === Constants_1.C.supported.SUPPORTED) { + return Constants_1.C.supported.SUPPORTED; + } + else { + return Constants_1.C.supported.UNSUPPORTED; + } + }, + replaces: function (replaces) { + if (replaces === Constants_1.C.supported.REQUIRED) { + return Constants_1.C.supported.REQUIRED; + } + else if (replaces === Constants_1.C.supported.SUPPORTED) { + return Constants_1.C.supported.SUPPORTED; + } + else { + return Constants_1.C.supported.UNSUPPORTED; + } + }, + register: function (register) { + if (typeof register === "boolean") { + return register; + } + }, + registerOptions: function (registerOptions) { + if (typeof registerOptions === "object") { + return registerOptions; + } + }, + usePreloadedRoute: function (usePreloadedRoute) { + if (typeof usePreloadedRoute === "boolean") { + return usePreloadedRoute; + } + }, + userAgentString: function (userAgentString) { + if (typeof userAgentString === "string") { + return userAgentString; + } + }, + autostart: function (autostart) { + if (typeof autostart === "boolean") { + return autostart; + } + }, + autostop: function (autostop) { + if (typeof autostop === "boolean") { + return autostop; + } + }, + sessionDescriptionHandlerFactory: function (sessionDescriptionHandlerFactory) { + if (sessionDescriptionHandlerFactory instanceof Function) { + return sessionDescriptionHandlerFactory; + } + }, + sessionDescriptionHandlerFactoryOptions: function (options) { + if (typeof options === "object") { + return options; + } + }, + authenticationFactory: this.checkAuthenticationFactory, + allowLegacyNotifications: function (allowLegacyNotifications) { + if (typeof allowLegacyNotifications === "boolean") { + return allowLegacyNotifications; + } + }, + custom: function (custom) { + if (typeof custom === "object") { + return custom; + } + }, + contactName: function (contactName) { + if (typeof contactName === "string") { + return contactName; + } + }, + experimentalFeatures: function (experimentalFeatures) { + if (typeof experimentalFeatures === "boolean") { + return experimentalFeatures; + } + }, + } + }; + }; + UA.C = { + // UA status codes + STATUS_INIT: 0, + STATUS_STARTING: 1, + STATUS_READY: 2, + STATUS_USER_CLOSED: 3, + STATUS_NOT_READY: 4, + // UA error codes + CONFIGURATION_ERROR: 1, + NETWORK_ERROR: 2, + ALLOWED_METHODS: [ + "ACK", + "CANCEL", + "INVITE", + "MESSAGE", + "BYE", + "OPTIONS", + "INFO", + "NOTIFY", + "REFER" + ], + ACCEPTED_BODY_TYPES: [ + "application/sdp", + "application/dtmf-relay" + ], + MAX_FORWARDS: 70, + TAG_LENGTH: 10 + }; + return UA; +}(events_1.EventEmitter)); +exports.UA = UA; +(function (UA) { + var DtmfType; + (function (DtmfType) { + DtmfType["RTP"] = "rtp"; + DtmfType["INFO"] = "info"; + })(DtmfType = UA.DtmfType || (UA.DtmfType = {})); +})(UA = exports.UA || (exports.UA = {})); +exports.UA = UA; +/** + * Factory function to generate configuration give a UA. + * @param ua UA + */ +function makeUserAgentCoreConfigurationFromUA(ua) { + // FIXME: Configuration URI is a bad mix of types currently. It also needs to exist. + if (!(ua.configuration.uri instanceof core_1.URI)) { + throw new Error("Configuration URI not instance of URI."); + } + var aor = ua.configuration.uri; + var contact = ua.contact; + var displayName = ua.configuration.displayName ? ua.configuration.displayName : ""; + var hackViaTcp = ua.configuration.hackViaTcp ? true : false; + var routeSet = ua.configuration.usePreloadedRoute && ua.transport.server && ua.transport.server.sipUri ? + [ua.transport.server.sipUri] : + []; + var sipjsId = ua.configuration.sipjsId || Utils_1.Utils.createRandomToken(5); + var supportedOptionTags = []; + supportedOptionTags.push("outbound"); // TODO: is this really supported? + if (ua.configuration.rel100 === Constants_1.C.supported.SUPPORTED) { + supportedOptionTags.push("100rel"); + } + if (ua.configuration.replaces === Constants_1.C.supported.SUPPORTED) { + supportedOptionTags.push("replaces"); + } + if (ua.configuration.extraSupported) { + supportedOptionTags.push.apply(supportedOptionTags, ua.configuration.extraSupported); + } + if (!ua.configuration.hackAllowUnregisteredOptionTags) { + supportedOptionTags = supportedOptionTags.filter(function (optionTag) { return Constants_1.C.OPTION_TAGS[optionTag]; }); + } + supportedOptionTags = Array.from(new Set(supportedOptionTags)); // array of unique values + var supportedOptionTagsResponse = ua.getSupportedResponseOptions(); + var userAgentHeaderFieldValue = ua.configuration.userAgentString || "sipjs"; + if (!(ua.configuration.viaHost)) { + throw new Error("Configuration via host undefined"); + } + var viaForceRport = ua.configuration.forceRport ? true : false; + var viaHost = ua.configuration.viaHost; + var configuration = { + aor: aor, + contact: contact, + displayName: displayName, + hackViaTcp: hackViaTcp, + loggerFactory: ua.getLoggerFactory(), + routeSet: routeSet, + sipjsId: sipjsId, + supportedOptionTags: supportedOptionTags, + supportedOptionTagsResponse: supportedOptionTagsResponse, + userAgentHeaderFieldValue: userAgentHeaderFieldValue, + viaForceRport: viaForceRport, + viaHost: viaHost, + authenticationFactory: function () { + if (ua.configuration.authenticationFactory) { + return ua.configuration.authenticationFactory(ua); + } + return undefined; + }, + transportAccessor: function () { return ua.transport; } + }; + return configuration; +} +exports.makeUserAgentCoreConfigurationFromUA = makeUserAgentCoreConfigurationFromUA; + + +/***/ }), +/* 94 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var session_1 = __webpack_require__(95); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +var Modifiers = tslib_1.__importStar(__webpack_require__(101)); +var SessionDescriptionHandlerObserver_1 = __webpack_require__(102); +/* SessionDescriptionHandler + * @class PeerConnection helper Class. + * @param {SIP.Session} session + * @param {Object} [options] + */ +var SessionDescriptionHandler = /** @class */ (function (_super) { + tslib_1.__extends(SessionDescriptionHandler, _super); + function SessionDescriptionHandler(logger, observer, options) { + var _this = _super.call(this) || this; + _this.type = Enums_1.TypeStrings.SessionDescriptionHandler; + // TODO: Validate the options + _this.options = options || {}; + _this.logger = logger; + _this.observer = observer; + _this.dtmfSender = undefined; + _this.shouldAcquireMedia = true; + _this.CONTENT_TYPE = "application/sdp"; + _this.C = { + DIRECTION: { + NULL: null, + SENDRECV: "sendrecv", + SENDONLY: "sendonly", + RECVONLY: "recvonly", + INACTIVE: "inactive" + } + }; + _this.logger.log("SessionDescriptionHandlerOptions: " + JSON.stringify(_this.options)); + _this.direction = _this.C.DIRECTION.NULL; + _this.modifiers = _this.options.modifiers || []; + if (!Array.isArray(_this.modifiers)) { + _this.modifiers = [_this.modifiers]; + } + _this.iceGatheringTimeout = false; + _this.initPeerConnection(_this.options.peerConnectionOptions); + _this.constraints = _this.checkAndDefaultConstraints(_this.options.constraints); + return _this; + } + /** + * @param {SIP.Session} session + * @param {Object} [options] + */ + SessionDescriptionHandler.defaultFactory = function (session, options) { + var logger = (session instanceof session_1.Session) ? + session.userAgent.getLogger("sip.sessionDescriptionHandler", session.id) : + session.ua.getLogger("sip.invitecontext.sessionDescriptionHandler", session.id); + var observer = new SessionDescriptionHandlerObserver_1.SessionDescriptionHandlerObserver(session, options); + return new SessionDescriptionHandler(logger, observer, options); + }; + // Functions the sesssion can use + /** + * Destructor + */ + SessionDescriptionHandler.prototype.close = function () { + this.logger.log("closing PeerConnection"); + // have to check signalingState since this.close() gets called multiple times + if (this.peerConnection && this.peerConnection.signalingState !== "closed") { + if (this.peerConnection.getSenders) { + this.peerConnection.getSenders().forEach(function (sender) { + if (sender.track) { + sender.track.stop(); + } + }); + } + else { + this.logger.warn("Using getLocalStreams which is deprecated"); + this.peerConnection.getLocalStreams().forEach(function (stream) { + stream.getTracks().forEach(function (track) { + track.stop(); + }); + }); + } + if (this.peerConnection.getReceivers) { + this.peerConnection.getReceivers().forEach(function (receiver) { + if (receiver.track) { + receiver.track.stop(); + } + }); + } + else { + this.logger.warn("Using getRemoteStreams which is deprecated"); + this.peerConnection.getRemoteStreams().forEach(function (stream) { + stream.getTracks().forEach(function (track) { + track.stop(); + }); + }); + } + this.resetIceGatheringComplete(); + this.peerConnection.close(); + } + }; + /** + * Gets the local description from the underlying media implementation + * @param {Object} [options] Options object to be used by getDescription + * @param {MediaStreamConstraints} [options.constraints] MediaStreamConstraints + * https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamConstraints + * @param {Object} [options.peerConnectionOptions] If this is set it will recreate the peer + * connection with the new options + * @param {Array} [modifiers] Array with one time use description modifiers + * @returns {Promise} Promise that resolves with the local description to be used for the session + */ + SessionDescriptionHandler.prototype.getDescription = function (options, modifiers) { + var _this = this; + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + if (options.peerConnectionOptions) { + this.initPeerConnection(options.peerConnectionOptions); + } + // Merge passed constraints with saved constraints and save + var newConstraints = Object.assign({}, this.constraints, options.constraints); + newConstraints = this.checkAndDefaultConstraints(newConstraints); + if (JSON.stringify(newConstraints) !== JSON.stringify(this.constraints)) { + this.constraints = newConstraints; + this.shouldAcquireMedia = true; + } + if (!Array.isArray(modifiers)) { + modifiers = [modifiers]; + } + modifiers = modifiers.concat(this.modifiers); + return Promise.resolve().then(function () { + if (_this.shouldAcquireMedia) { + return _this.acquire(_this.constraints).then(function () { + _this.shouldAcquireMedia = false; + }); + } + }).then(function () { return _this.createOfferOrAnswer(options.RTCOfferOptions, modifiers); }) + .then(function (description) { + if (description.sdp === undefined) { + throw new Exceptions_1.Exceptions.SessionDescriptionHandlerError("getDescription", undefined, "SDP undefined"); + } + _this.emit("getDescription", description); + return { + body: description.sdp, + contentType: _this.CONTENT_TYPE + }; + }); + }; + /** + * Check if the Session Description Handler can handle the Content-Type described by a SIP Message + * @param {String} contentType The content type that is in the SIP Message + * @returns {boolean} + */ + SessionDescriptionHandler.prototype.hasDescription = function (contentType) { + return contentType === this.CONTENT_TYPE; + }; + /** + * The modifier that should be used when the session would like to place the call on hold + * @param {String} [sdp] The description that will be modified + * @returns {Promise} Promise that resolves with modified SDP + */ + SessionDescriptionHandler.prototype.holdModifier = function (description) { + if (!description.sdp) { + return Promise.resolve(description); + } + if (!(/a=(sendrecv|sendonly|recvonly|inactive)/).test(description.sdp)) { + description.sdp = description.sdp.replace(/(m=[^\r]*\r\n)/g, "$1a=sendonly\r\n"); + } + else { + description.sdp = description.sdp.replace(/a=sendrecv\r\n/g, "a=sendonly\r\n"); + description.sdp = description.sdp.replace(/a=recvonly\r\n/g, "a=inactive\r\n"); + } + return Promise.resolve(description); + }; + /** + * Set the remote description to the underlying media implementation + * @param {String} sessionDescription The description provided by a SIP message to be set on the media implementation + * @param {Object} [options] Options object to be used by getDescription + * @param {MediaStreamConstraints} [options.constraints] MediaStreamConstraints + * https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamConstraints + * @param {Object} [options.peerConnectionOptions] If this is set it will recreate the peer + * connection with the new options + * @param {Array} [modifiers] Array with one time use description modifiers + * @returns {Promise} Promise that resolves once the description is set + */ + SessionDescriptionHandler.prototype.setDescription = function (sessionDescription, options, modifiers) { + var _this = this; + if (options === void 0) { options = {}; } + if (modifiers === void 0) { modifiers = []; } + if (options.peerConnectionOptions) { + this.initPeerConnection(options.peerConnectionOptions); + } + if (!Array.isArray(modifiers)) { + modifiers = [modifiers]; + } + modifiers = modifiers.concat(this.modifiers); + var description = { + type: this.hasOffer("local") ? "answer" : "offer", + sdp: sessionDescription + }; + return Promise.resolve().then(function () { + // Media should be acquired in getDescription unless we need to do it sooner for some reason (FF61+) + if (_this.shouldAcquireMedia && _this.options.alwaysAcquireMediaFirst) { + return _this.acquire(_this.constraints).then(function () { + _this.shouldAcquireMedia = false; + }); + } + }).then(function () { return Utils_1.Utils.reducePromises(modifiers, description); }) + .catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("setDescription", e, "The modifiers did not resolve successfully"); + _this.logger.error(error.message); + _this.emit("peerConnection-setRemoteDescriptionFailed", error); + throw error; + }).then(function (modifiedDescription) { + _this.emit("setDescription", modifiedDescription); + return _this.peerConnection.setRemoteDescription(modifiedDescription); + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + // Check the original SDP for video, and ensure that we have want to do audio fallback + if ((/^m=video.+$/gm).test(sessionDescription) && !options.disableAudioFallback) { + // Do not try to audio fallback again + options.disableAudioFallback = true; + // Remove video first, then do the other modifiers + return _this.setDescription(sessionDescription, options, [Modifiers.stripVideo].concat(modifiers)); + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("setDescription", e); + if (error.error) { + _this.logger.error(error.error); + } + _this.emit("peerConnection-setRemoteDescriptionFailed", error); + throw error; + }).then(function () { + if (_this.peerConnection.getReceivers) { + _this.emit("setRemoteDescription", _this.peerConnection.getReceivers()); + } + else { + _this.emit("setRemoteDescription", _this.peerConnection.getRemoteStreams()); + } + _this.emit("confirmed", _this); + }); + }; + /** + * Send DTMF via RTP (RFC 4733) + * @param {String} tones A string containing DTMF digits + * @param {Object} [options] Options object to be used by sendDtmf + * @returns {boolean} true if DTMF send is successful, false otherwise + */ + SessionDescriptionHandler.prototype.sendDtmf = function (tones, options) { + if (options === void 0) { options = {}; } + if (!this.dtmfSender && this.hasBrowserGetSenderSupport()) { + var senders = this.peerConnection.getSenders(); + if (senders.length > 0) { + this.dtmfSender = senders[0].dtmf; + } + } + if (!this.dtmfSender && this.hasBrowserTrackSupport()) { + var streams = this.peerConnection.getLocalStreams(); + if (streams.length > 0) { + var audioTracks = streams[0].getAudioTracks(); + if (audioTracks.length > 0) { + this.dtmfSender = this.peerConnection.createDTMFSender(audioTracks[0]); + } + } + } + if (!this.dtmfSender) { + return false; + } + try { + this.dtmfSender.insertDTMF(tones, options.duration, options.interToneGap); + } + catch (e) { + if (e.type === "InvalidStateError" || e.type === "InvalidCharacterError") { + this.logger.error(e); + return false; + } + else { + throw e; + } + } + this.logger.log("DTMF sent via RTP: " + tones.toString()); + return true; + }; + /** + * Get the direction of the session description + * @returns {String} direction of the description + */ + SessionDescriptionHandler.prototype.getDirection = function () { + return this.direction; + }; + SessionDescriptionHandler.prototype.on = function (name, callback) { return _super.prototype.on.call(this, name, callback); }; + SessionDescriptionHandler.prototype.getMediaStream = function (constraints) { + return navigator.mediaDevices.getUserMedia(constraints); + }; + // Internal functions + SessionDescriptionHandler.prototype.createOfferOrAnswer = function (RTCOfferOptions, modifiers) { + var _this = this; + if (RTCOfferOptions === void 0) { RTCOfferOptions = {}; } + if (modifiers === void 0) { modifiers = []; } + var methodName = this.hasOffer("remote") ? "createAnswer" : "createOffer"; + var pc = this.peerConnection; + this.logger.log(methodName); + var method = this.hasOffer("remote") ? pc.createAnswer : pc.createOffer; + return method.apply(pc, RTCOfferOptions).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer", e, "peerConnection-" + methodName + "Failed"); + _this.emit("peerConnection-" + methodName + "Failed", error); + throw error; + }).then(function (sdp) { + return Utils_1.Utils.reducePromises(modifiers, _this.createRTCSessionDescriptionInit(sdp)); + }).then(function (sdp) { + _this.resetIceGatheringComplete(); + _this.logger.log("Setting local sdp."); + _this.logger.log("sdp is " + sdp.sdp || false); + return pc.setLocalDescription(sdp); + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer", e, "peerConnection-SetLocalDescriptionFailed"); + _this.emit("peerConnection-SetLocalDescriptionFailed", error); + throw error; + }).then(function () { return _this.waitForIceGatheringComplete(); }) + .then(function () { + if (!_this.peerConnection.localDescription) { + throw new Exceptions_1.Exceptions.SessionDescriptionHandlerError("Missing local description"); + } + var localDescription = _this.createRTCSessionDescriptionInit(_this.peerConnection.localDescription); + return Utils_1.Utils.reducePromises(modifiers, localDescription); + }).then(function (localDescription) { + _this.setDirection(localDescription.sdp || ""); + return localDescription; + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer", e); + _this.logger.error(error.toString()); + throw error; + }); + }; + // Creates an RTCSessionDescriptionInit from an RTCSessionDescription + SessionDescriptionHandler.prototype.createRTCSessionDescriptionInit = function (RTCSessionDescription) { + return { + type: RTCSessionDescription.type, + sdp: RTCSessionDescription.sdp + }; + }; + SessionDescriptionHandler.prototype.addDefaultIceCheckingTimeout = function (peerConnectionOptions) { + if (peerConnectionOptions.iceCheckingTimeout === undefined) { + peerConnectionOptions.iceCheckingTimeout = 5000; + } + return peerConnectionOptions; + }; + SessionDescriptionHandler.prototype.addDefaultIceServers = function (rtcConfiguration) { + if (!rtcConfiguration.iceServers) { + rtcConfiguration.iceServers = [{ urls: "stun:stun.l.google.com:19302" }]; + } + return rtcConfiguration; + }; + SessionDescriptionHandler.prototype.checkAndDefaultConstraints = function (constraints) { + var defaultConstraints = { audio: true, video: !this.options.alwaysAcquireMediaFirst }; + constraints = constraints || defaultConstraints; + // Empty object check + if (Object.keys(constraints).length === 0 && constraints.constructor === Object) { + return defaultConstraints; + } + return constraints; + }; + SessionDescriptionHandler.prototype.hasBrowserTrackSupport = function () { + return Boolean(this.peerConnection.addTrack); + }; + SessionDescriptionHandler.prototype.hasBrowserGetSenderSupport = function () { + return Boolean(this.peerConnection.getSenders); + }; + SessionDescriptionHandler.prototype.initPeerConnection = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + options = this.addDefaultIceCheckingTimeout(options); + options.rtcConfiguration = options.rtcConfiguration || {}; + options.rtcConfiguration = this.addDefaultIceServers(options.rtcConfiguration); + this.logger.log("initPeerConnection"); + if (this.peerConnection) { + this.logger.log("Already have a peer connection for this session. Tearing down."); + this.resetIceGatheringComplete(); + this.peerConnection.close(); + } + this.peerConnection = new RTCPeerConnection(options.rtcConfiguration); + this.logger.log("New peer connection created"); + if ("ontrack" in this.peerConnection) { + this.peerConnection.addEventListener("track", function (e) { + _this.logger.log("track added"); + _this.observer.trackAdded(); + _this.emit("addTrack", e); + }); + } + else { + this.logger.warn("Using onaddstream which is deprecated"); + this.peerConnection.onaddstream = function (e) { + _this.logger.log("stream added"); + _this.emit("addStream", e); + }; + } + this.peerConnection.onicecandidate = function (e) { + _this.emit("iceCandidate", e); + if (e.candidate) { + _this.logger.log("ICE candidate received: " + + (e.candidate.candidate === null ? null : e.candidate.candidate.trim())); + } + else if (e.candidate === null) { + // indicates the end of candidate gathering + _this.logger.log("ICE candidate gathering complete"); + _this.triggerIceGatheringComplete(); + } + }; + this.peerConnection.onicegatheringstatechange = function () { + _this.logger.log("RTCIceGatheringState changed: " + _this.peerConnection.iceGatheringState); + switch (_this.peerConnection.iceGatheringState) { + case "gathering": + _this.emit("iceGathering", _this); + if (!_this.iceGatheringTimer && options.iceCheckingTimeout) { + _this.iceGatheringTimeout = false; + _this.iceGatheringTimer = setTimeout(function () { + _this.logger.log("RTCIceChecking Timeout Triggered after " + options.iceCheckingTimeout + " milliseconds"); + _this.iceGatheringTimeout = true; + _this.triggerIceGatheringComplete(); + }, options.iceCheckingTimeout); + } + break; + case "complete": + _this.triggerIceGatheringComplete(); + break; + } + }; + this.peerConnection.oniceconnectionstatechange = function () { + var stateEvent; + switch (_this.peerConnection.iceConnectionState) { + case "new": + stateEvent = "iceConnection"; + break; + case "checking": + stateEvent = "iceConnectionChecking"; + break; + case "connected": + stateEvent = "iceConnectionConnected"; + break; + case "completed": + stateEvent = "iceConnectionCompleted"; + break; + case "failed": + stateEvent = "iceConnectionFailed"; + break; + case "disconnected": + stateEvent = "iceConnectionDisconnected"; + break; + case "closed": + stateEvent = "iceConnectionClosed"; + break; + default: + _this.logger.warn("Unknown iceConnection state: " + _this.peerConnection.iceConnectionState); + return; + } + _this.logger.log("ICE Connection State changed to " + stateEvent); + _this.emit(stateEvent, _this); + }; + }; + SessionDescriptionHandler.prototype.acquire = function (constraints) { + var _this = this; + // Default audio & video to true + constraints = this.checkAndDefaultConstraints(constraints); + return new Promise(function (resolve, reject) { + /* + * Make the call asynchronous, so that ICCs have a chance + * to define callbacks to `userMediaRequest` + */ + _this.logger.log("acquiring local media"); + _this.emit("userMediaRequest", constraints); + if (constraints.audio || constraints.video) { + _this.getMediaStream(constraints).then(function (streams) { + _this.observer.trackAdded(); + _this.emit("userMedia", streams); + resolve(streams); + }).catch(function (e) { + _this.emit("userMediaFailed", e); + reject(e); + }); + } + else { + // Local streams were explicitly excluded. + resolve([]); + } + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("acquire", e, "unable to acquire streams"); + _this.logger.error(error.message); + if (error.error) { + _this.logger.error(error.error); + } + throw error; + }).then(function (streams) { + _this.logger.log("acquired local media streams"); + // Remove old tracks + if (_this.peerConnection.removeTrack) { + _this.peerConnection.getSenders().forEach(function (sender) { + _this.peerConnection.removeTrack(sender); + }); + } + return streams; + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("acquire", e, "error removing streams"); + _this.logger.error(error.message); + if (error.error) { + _this.logger.error(error.error); + } + throw error; + }).then(function (streams) { + var streamsArr = [].concat(streams); + streamsArr.forEach(function (stream) { + if (_this.peerConnection.addTrack) { + stream.getTracks().forEach(function (track) { + _this.peerConnection.addTrack(track, stream); + }); + } + else { + // Chrome 59 does not support addTrack + _this.peerConnection.addStream(stream); + } + }); + return Promise.resolve(); + }).catch(function (e) { + if (e.type === Enums_1.TypeStrings.SessionDescriptionHandlerError) { + throw e; + } + var error = new Exceptions_1.Exceptions.SessionDescriptionHandlerError("acquire", e, "error adding stream"); + _this.logger.error(error.message); + if (error.error) { + _this.logger.error(error.error); + } + throw error; + }); + }; + SessionDescriptionHandler.prototype.hasOffer = function (where) { + var offerState = "have-" + where + "-offer"; + return this.peerConnection.signalingState === offerState; + }; + // ICE gathering state handling + SessionDescriptionHandler.prototype.isIceGatheringComplete = function () { + return this.peerConnection.iceGatheringState === "complete" || this.iceGatheringTimeout; + }; + SessionDescriptionHandler.prototype.resetIceGatheringComplete = function () { + this.iceGatheringTimeout = false; + this.logger.log("resetIceGatheringComplete"); + if (this.iceGatheringTimer) { + clearTimeout(this.iceGatheringTimer); + this.iceGatheringTimer = undefined; + } + if (this.iceGatheringDeferred) { + this.iceGatheringDeferred.reject(); + this.iceGatheringDeferred = undefined; + } + }; + SessionDescriptionHandler.prototype.setDirection = function (sdp) { + var match = sdp.match(/a=(sendrecv|sendonly|recvonly|inactive)/); + if (match === null) { + this.direction = this.C.DIRECTION.NULL; + this.observer.directionChanged(); + return; + } + var direction = match[1]; + switch (direction) { + case this.C.DIRECTION.SENDRECV: + case this.C.DIRECTION.SENDONLY: + case this.C.DIRECTION.RECVONLY: + case this.C.DIRECTION.INACTIVE: + this.direction = direction; + break; + default: + this.direction = this.C.DIRECTION.NULL; + break; + } + this.observer.directionChanged(); + }; + SessionDescriptionHandler.prototype.triggerIceGatheringComplete = function () { + if (this.isIceGatheringComplete()) { + this.emit("iceGatheringComplete", this); + if (this.iceGatheringTimer) { + clearTimeout(this.iceGatheringTimer); + this.iceGatheringTimer = undefined; + } + if (this.iceGatheringDeferred) { + this.iceGatheringDeferred.resolve(); + this.iceGatheringDeferred = undefined; + } + } + }; + SessionDescriptionHandler.prototype.waitForIceGatheringComplete = function () { + this.logger.log("waitForIceGatheringComplete"); + if (this.isIceGatheringComplete()) { + this.logger.log("ICE is already complete. Return resolved."); + return Promise.resolve(); + } + else if (!this.iceGatheringDeferred) { + this.iceGatheringDeferred = Utils_1.Utils.defer(); + } + this.logger.log("ICE is not complete. Returning promise"); + return this.iceGatheringDeferred ? this.iceGatheringDeferred.promise : Promise.resolve(); + }; + return SessionDescriptionHandler; +}(events_1.EventEmitter)); +exports.SessionDescriptionHandler = SessionDescriptionHandler; + + +/***/ }), +/* 95 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var Constants_1 = __webpack_require__(80); +var core_1 = __webpack_require__(2); +var allowed_methods_1 = __webpack_require__(58); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +var emitter_1 = __webpack_require__(96); +var info_1 = __webpack_require__(97); +var notification_1 = __webpack_require__(98); +var referral_1 = __webpack_require__(99); +var session_state_1 = __webpack_require__(100); +/** + * A session provides real time communication between one or more participants. + * @public + */ +var Session = /** @class */ (function (_super) { + tslib_1.__extends(Session, _super); + /** + * Constructor. + * @param userAgent - User agent. See {@link UserAgent} for details. + * @internal + */ + function Session(userAgent, options) { + if (options === void 0) { options = {}; } + var _this = _super.call(this) || this; + // Property overlap with ClientContext & ServerContext Interfaces + /** @internal */ + _this.type = Enums_1.TypeStrings.Session; + /** @internal */ + _this.method = Constants_1.C.INVITE; + /** @internal */ + _this.localHold = false; + /** DEPRECATED: Session status */ + /** @internal */ + _this.status = Enums_1.SessionStatus.STATUS_NULL; + /** True if an error caused session termination. */ + /** @internal */ + _this.isFailed = false; + /** @internal */ + _this.rel100 = Constants_1.C.supported.UNSUPPORTED; + /** @internal */ + _this.expiresTimer = undefined; + /** @internal */ + _this.userNoAnswerTimer = undefined; + _this._state = session_state_1.SessionState.Initial; + _this._stateEventEmitter = new events_1.EventEmitter(); + _this.pendingReinvite = false; + _this.tones = undefined; + _this.userAgent = userAgent; + _this.delegate = options.delegate; + _this.logger = userAgent.getLogger("sip.session"); + return _this; + } + /** + * Called to cleanup session after terminated. + * @internal + */ + Session.prototype.close = function () { + this.logger.log("Session[" + this.id + "].close"); + if (this.status === Enums_1.SessionStatus.STATUS_TERMINATED) { + return; + } + // 1st Step. Terminate media. + if (this._sessionDescriptionHandler) { + this._sessionDescriptionHandler.close(); + } + // 2nd Step. Terminate signaling. + // Clear session timers + if (this.expiresTimer) { + clearTimeout(this.expiresTimer); + } + if (this.userNoAnswerTimer) { + clearTimeout(this.userNoAnswerTimer); + } + this.status = Enums_1.SessionStatus.STATUS_TERMINATED; + if (!this.id) { + throw new Error("Session id undefined."); + } + delete this.userAgent.sessions[this.id]; + return; + }; + /** + * @deprecated Legacy state transition. + * @internal + */ + Session.prototype.on = function (name, callback) { + return _super.prototype.on.call(this, name, callback); + }; + /** + * @deprecated Legacy state transition. + * @internal + */ + Session.prototype.emit = function (event) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + return _super.prototype.emit.apply(this, tslib_1.__spreadArrays([event], args)); + }; + Object.defineProperty(Session.prototype, "sessionDescriptionHandler", { + /** + * Session description handler. + */ + get: function () { + return this._sessionDescriptionHandler; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Session.prototype, "sessionDescriptionHandlerFactory", { + /** + * Session description handler factory. + */ + get: function () { + return this.userAgent.configuration.sessionDescriptionHandlerFactory; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Session.prototype, "state", { + /** + * Session state. + */ + get: function () { + return this._state; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Session.prototype, "stateChange", { + /** + * Session state change emitter. + */ + get: function () { + return emitter_1.makeEmitter(this._stateEventEmitter); + }, + enumerable: true, + configurable: true + }); + /** + * Renegotiate the session. Sends a re-INVITE. + * @param options - Options bucket. + */ + Session.prototype.invite = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + this.logger.log("Session.invite"); + if (this.state !== session_state_1.SessionState.Established) { + return Promise.reject(new Error("Invalid session state " + this.state)); + } + if (this.pendingReinvite) { + return Promise.reject(new Error("Reinvite in progress. Please wait until complete, then try again.")); + } + if (!this._sessionDescriptionHandler) { + throw new Error("Session description handler undefined."); + } + this.pendingReinvite = true; + var delegate = { + onAccept: function (response) { + // A re-INVITE transaction has an offer/answer [RFC3264] exchange + // associated with it. The UAC (User Agent Client) generating a given + // re-INVITE can act as the offerer or as the answerer. A UAC willing + // to act as the offerer includes an offer in the re-INVITE. The UAS + // (User Agent Server) then provides an answer in a response to the + // re-INVITE. A UAC willing to act as answerer does not include an + // offer in the re-INVITE. The UAS then provides an offer in a response + // to the re-INVITE becoming, thus, the offerer. + // https://tools.ietf.org/html/rfc6141#section-1 + var body = core_1.getBody(response.message); + if (!body) { + // No way to recover, so terminate session and mark as failed. + _this.logger.error("Received 2xx response to re-INVITE without a session description"); + _this.ackAndBye(response, 400, "Missing session description"); + _this.stateTransition(session_state_1.SessionState.Terminated); + _this.isFailed = true; + _this.pendingReinvite = false; + return; + } + if (options.withoutSdp) { + // INVITE without SDP - set remote offer and send an answer in the ACK + // FIXME: SDH options & SDH modifiers options are applied somewhat ambiguously + // This behavior was ported from legacy code and the issue punted down the road. + var answerOptions = { + sessionDescriptionHandlerOptions: options.sessionDescriptionHandlerOptions, + sessionDescriptionHandlerModifiers: options.sessionDescriptionHandlerModifiers + }; + _this.setOfferAndGetAnswer(body, answerOptions) + .then(function (answerBody) { + response.ack({ body: answerBody }); + }) + .catch(function (error) { + // No way to recover, so terminate session and mark as failed. + _this.logger.error("Failed to handle offer in 2xx response to re-INVITE"); + _this.logger.error(error.message); + if (_this.state === session_state_1.SessionState.Terminated) { + // A BYE should not be sent if alreadly terminated. + // For example, a BYE may be sent/received while re-INVITE is outstanding. + response.ack(); + } + else { + _this.ackAndBye(response, 488, "Bad Media Description"); + _this.stateTransition(session_state_1.SessionState.Terminated); + _this.isFailed = true; + } + }) + .then(function () { + _this.pendingReinvite = false; + if (options.requestDelegate && options.requestDelegate.onAccept) { + options.requestDelegate.onAccept(response); + } + }); + } + else { + // INVITE with SDP - set remote answer and send an ACK + // FIXME: SDH options & SDH modifiers options are applied somewhat ambiguously + // This behavior was ported from legacy code and the issue punted down the road. + var answerOptions = { + sessionDescriptionHandlerOptions: _this.sessionDescriptionHandlerOptions, + sessionDescriptionHandlerModifiers: _this.sessionDescriptionHandlerModifiers + }; + _this.setAnswer(body, answerOptions) + .then(function () { + response.ack(); + }) + .catch(function (error) { + // No way to recover, so terminate session and mark as failed. + _this.logger.error("Failed to handle answer in 2xx response to re-INVITE"); + _this.logger.error(error.message); + // A BYE should only be sent if session is not alreadly terminated. + // For example, a BYE may be sent/received while re-INVITE is outstanding. + // The ACK needs to be sent regardless as it was not handled by the transaction. + if (_this.state !== session_state_1.SessionState.Terminated) { + _this.ackAndBye(response, 488, "Bad Media Description"); + _this.stateTransition(session_state_1.SessionState.Terminated); + _this.isFailed = true; + } + else { + response.ack(); + } + }) + .then(function () { + _this.pendingReinvite = false; + if (options.requestDelegate && options.requestDelegate.onAccept) { + options.requestDelegate.onAccept(response); + } + }); + } + }, + onProgress: function (response) { + return; + }, + onRedirect: function (response) { + return; + }, + onReject: function (response) { + _this.logger.warn("Received a non-2xx response to re-INVITE"); + _this.pendingReinvite = false; + if (options.withoutSdp) { + if (options.requestDelegate && options.requestDelegate.onReject) { + options.requestDelegate.onReject(response); + } + } + else { + _this.rollbackOffer() + .catch(function (error) { + // No way to recover, so terminate session and mark as failed. + _this.logger.error("Failed to rollback offer on non-2xx response to re-INVITE"); + _this.logger.error(error.message); + // A BYE should only be sent if session is not alreadly terminated. + // For example, a BYE may be sent/received while re-INVITE is outstanding. + // Note that the ACK was already sent by the transaction, so just need to send BYE. + if (_this.state !== session_state_1.SessionState.Terminated) { + if (!_this.dialog) { + throw new Error("Dialog undefined."); + } + var extraHeaders = []; + extraHeaders.push("Reason: " + Utils_1.Utils.getReasonHeaderValue(500, "Internal Server Error")); + _this.dialog.bye(undefined, { extraHeaders: extraHeaders }); + _this.stateTransition(session_state_1.SessionState.Terminated); + _this.isFailed = true; + } + }) + .then(function () { + if (options.requestDelegate && options.requestDelegate.onReject) { + options.requestDelegate.onReject(response); + } + }); + } + }, + onTrying: function (response) { + return; + } + }; + var requestOptions = options.requestOptions || {}; + requestOptions.extraHeaders = (requestOptions.extraHeaders || []).slice(); + requestOptions.extraHeaders.push("Allow: " + allowed_methods_1.AllowedMethods.toString()); + requestOptions.extraHeaders.push("Contact: " + this.contact); + // Just send an INVITE with no sdp... + if (options.withoutSdp) { + if (!this.dialog) { + this.pendingReinvite = false; + return Promise.reject(new Error("Dialog undefined.")); + } + return Promise.resolve(this.dialog.invite(delegate, requestOptions)); + } + // Get an offer and send it in an INVITE + // FIXME: SDH options & SDH modifiers options are applied somewhat ambiguously + // This behavior was ported from legacy code and the issue punted down the road. + var offerOptions = { + sessionDescriptionHandlerOptions: options.sessionDescriptionHandlerOptions, + sessionDescriptionHandlerModifiers: options.sessionDescriptionHandlerModifiers + }; + return this.getOffer(offerOptions) + .then(function (offerBody) { + if (!_this.dialog) { + _this.pendingReinvite = false; + throw new Error("Dialog undefined."); + } + requestOptions.body = offerBody; + return _this.dialog.invite(delegate, requestOptions); + }) + .catch(function (error) { + _this.logger.error(error.message); + _this.logger.error("Failed to send re-INVITE"); + _this.pendingReinvite = false; + throw error; + }); + }; + /** + * Send BYE. + * @param delegate - Request delegate. + * @param options - Request options bucket. + * @internal + */ + Session.prototype.bye = function (delegate, options) { + var _this = this; + // Using core session dialog + if (!this.dialog) { + return Promise.reject(new Error("Session dialog undefined.")); + } + var dialog = this.dialog; + // The caller's UA MAY send a BYE for either confirmed or early dialogs, + // and the callee's UA MAY send a BYE on confirmed dialogs, but MUST NOT + // send a BYE on early dialogs. However, the callee's UA MUST NOT send a + // BYE on a confirmed dialog until it has received an ACK for its 2xx + // response or until the server transaction times out. + // https://tools.ietf.org/html/rfc3261#section-15 + switch (dialog.sessionState) { + case core_1.SessionState.Initial: + throw new Error("Invalid dialog state " + dialog.sessionState); + case core_1.SessionState.Early: // Implementation choice - not sending BYE for early dialogs. + throw new Error("Invalid dialog state " + dialog.sessionState); + case core_1.SessionState.AckWait: { // This state only occurs if we are the callee. + this.stateTransition(session_state_1.SessionState.Terminating); // We're terminating + return new Promise(function (resolve, reject) { + dialog.delegate = { + // When ACK shows up, say BYE. + onAck: function () { + var request = dialog.bye(delegate, options); + _this.stateTransition(session_state_1.SessionState.Terminated); + resolve(request); + }, + // Or the server transaction times out before the ACK arrives. + onAckTimeout: function () { + var request = dialog.bye(delegate, options); + _this.stateTransition(session_state_1.SessionState.Terminated); + resolve(request); + } + }; + }); + } + case core_1.SessionState.Confirmed: { + var request = dialog.bye(delegate, options); + this.stateTransition(session_state_1.SessionState.Terminated); + return Promise.resolve(request); + } + case core_1.SessionState.Terminated: + throw new Error("Invalid dialog state " + dialog.sessionState); + default: + throw new Error("Unrecognized state."); + } + }; + /** + * Send INFO. + * @param delegate - Request delegate. + * @param options - Request options bucket. + * @internal + */ + Session.prototype.info = function (delegate, options) { + // Using core session dialog + if (!this.dialog) { + return Promise.reject(new Error("Session dialog undefined.")); + } + return Promise.resolve(this.dialog.info(delegate, options)); + }; + /** + * Send REFER. + * @param referrer - Referrer. + * @param delegate - Request delegate. + * @param options - Request options bucket. + * @internal + */ + Session.prototype.refer = function (referrer, delegate, options) { + // Using core session dialog + if (!this.dialog) { + return Promise.reject(new Error("Session dialog undefined.")); + } + // If the session has a referrer, it will receive any in-dialog NOTIFY requests. + this.referrer = referrer; + return Promise.resolve(this.dialog.refer(delegate, options)); + }; + /** + * Send ACK and then BYE. There are unrecoverable errors which can occur + * while handling dialog forming and in-dialog INVITE responses and when + * they occur we ACK the response and send a BYE. + * Note that the BYE is sent in the dialog associated with the response + * which is not necessarily `this.dialog`. And, accordingly, the + * session state is not transitioned to terminated and session is not closed. + * @param inviteResponse - The response causing the error. + * @param statusCode - Status code for he reason phrase. + * @param reasonPhrase - Reason phrase for the BYE. + * @internal + */ + Session.prototype.ackAndBye = function (response, statusCode, reasonPhrase) { + response.ack(); + var extraHeaders = []; + if (statusCode) { + extraHeaders.push("Reason: " + Utils_1.Utils.getReasonHeaderValue(statusCode, reasonPhrase)); + } + // Using the dialog session associate with the response (which might not be this.dialog) + response.session.bye(undefined, { extraHeaders: extraHeaders }); + }; + /** + * Handle in dialog ACK request. + * @internal + */ + Session.prototype.onAckRequest = function (request) { + var _this = this; + this.logger.log("Session.onAckRequest"); + if (this.state !== session_state_1.SessionState.Initial && + this.state !== session_state_1.SessionState.Establishing && + this.state !== session_state_1.SessionState.Established && + this.state !== session_state_1.SessionState.Terminating) { + this.logger.error("ACK received while in state " + this.state + ", dropping request"); + return; + } + // FIXME: Review is this ever true? We're "Established" when dialog created in accept(). + if (this.state === session_state_1.SessionState.Initial || this.state === session_state_1.SessionState.Establishing) { + this.stateTransition(session_state_1.SessionState.Established); + } + var dialog = this.dialog; + if (!dialog) { + throw new Error("Dialog undefined."); + } + switch (dialog.signalingState) { + case core_1.SignalingState.Initial: { + // State should never be reached as first reliable response must have answer/offer. + // So we must have never has sent an offer. + this.logger.error("Invalid signaling state " + dialog.signalingState + "."); + this.isFailed = true; + var extraHeaders = ["Reason: " + Utils_1.Utils.getReasonHeaderValue(488, "Bad Media Description")]; + dialog.bye(undefined, { extraHeaders: extraHeaders }); + this.stateTransition(session_state_1.SessionState.Terminated); + return; + } + case core_1.SignalingState.Stable: { + // State we should be in. + // Either the ACK has the answer that got us here, or we were in this state prior to the ACK. + var body = core_1.getBody(request.message); + // If the ACK doesn't have an answer, nothing to be done. + if (!body) { + this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + return; + } + if (body.contentDisposition === "render") { + this.renderbody = body.content; + this.rendertype = body.contentType; + this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + return; + } + if (body.contentDisposition !== "session") { + this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; + return; + } + // Receved answer in ACK. + var options = { + sessionDescriptionHandlerOptions: this.sessionDescriptionHandlerOptions, + sessionDescriptionHandlerModifiers: this.sessionDescriptionHandlerModifiers + }; + this.setAnswer(body, options) + .then(function () { _this.status = Enums_1.SessionStatus.STATUS_CONFIRMED; }) + .catch(function (error) { + _this.logger.error(error.message); + _this.isFailed = true; + var extraHeaders = ["Reason: " + Utils_1.Utils.getReasonHeaderValue(488, "Bad Media Description")]; + dialog.bye(undefined, { extraHeaders: extraHeaders }); + _this.stateTransition(session_state_1.SessionState.Terminated); + }); + return; + } + case core_1.SignalingState.HaveLocalOffer: { + // State should never be reached as local offer would be answered by this ACK. + // So we must have received an ACK without an answer. + this.logger.error("Invalid signaling state " + dialog.signalingState + "."); + this.isFailed = true; + var extraHeaders = ["Reason: " + Utils_1.Utils.getReasonHeaderValue(488, "Bad Media Description")]; + dialog.bye(undefined, { extraHeaders: extraHeaders }); + this.stateTransition(session_state_1.SessionState.Terminated); + return; + } + case core_1.SignalingState.HaveRemoteOffer: { + // State should never be reached as remote offer would be answered in first reliable response. + // So we must have never has sent an answer. + this.logger.error("Invalid signaling state " + dialog.signalingState + "."); + this.isFailed = true; + var extraHeaders = ["Reason: " + Utils_1.Utils.getReasonHeaderValue(488, "Bad Media Description")]; + dialog.bye(undefined, { extraHeaders: extraHeaders }); + this.stateTransition(session_state_1.SessionState.Terminated); + return; + } + case core_1.SignalingState.Closed: + throw new Error("Invalid signaling state " + dialog.signalingState + "."); + default: + throw new Error("Invalid signaling state " + dialog.signalingState + "."); + } + }; + /** + * Handle in dialog BYE request. + * @internal + */ + Session.prototype.onByeRequest = function (request) { + this.logger.log("Session.onByeRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("BYE received while in state " + this.state + ", dropping request"); + return; + } + request.accept(); + this.stateTransition(session_state_1.SessionState.Terminated); + }; + /** + * Handle in dialog INFO request. + * @internal + */ + Session.prototype.onInfoRequest = function (request) { + this.logger.log("Session.onInfoRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("INFO received while in state " + this.state + ", dropping request"); + return; + } + if (this.delegate && this.delegate.onInfo) { + var info = new info_1.Info(request); + this.delegate.onInfo(info); + } + else { + request.accept(); + } + }; + /** + * Handle in dialog INVITE request. + * @internal + */ + Session.prototype.onInviteRequest = function (request) { + var _this = this; + this.logger.log("Session.onInviteRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("INVITE received while in state " + this.state + ", dropping request"); + return; + } + // TODO: would be nice to have core track and set the Contact header, + // but currently the session which is setting it is holding onto it. + var extraHeaders = ["Contact: " + this.contact]; + // Handle P-Asserted-Identity + if (request.message.hasHeader("P-Asserted-Identity")) { + var header = request.message.getHeader("P-Asserted-Identity"); + if (!header) { + throw new Error("Header undefined."); + } + this.assertedIdentity = core_1.Grammar.nameAddrHeaderParse(header); + } + // FIXME: SDH options & SDH modifiers options are applied somewhat ambiguously + // This behavior was ported from legacy code and the issue punted down the road. + var options = { + sessionDescriptionHandlerOptions: this.sessionDescriptionHandlerOptions, + sessionDescriptionHandlerModifiers: this.sessionDescriptionHandlerModifiers + }; + this.generateResponseOfferAnswerInDialog(options) + .then(function (body) { + var outgoingResponse = request.accept({ statusCode: 200, extraHeaders: extraHeaders, body: body }); + if (_this.delegate && _this.delegate.onInvite) { + _this.delegate.onInvite(request.message, outgoingResponse.message, 200); + } + }) + .catch(function (error) { + _this.logger.error(error.message); + _this.logger.error("Failed to handle to re-INVITE request"); + if (!_this.dialog) { + throw new Error("Dialog undefined."); + } + _this.logger.error(_this.dialog.signalingState); + // If we don't have a local/remote offer... + if (_this.dialog.signalingState === core_1.SignalingState.Stable) { + var outgoingResponse = request.reject({ statusCode: 488 }); // Not Acceptable Here + if (_this.delegate && _this.delegate.onInvite) { + _this.delegate.onInvite(request.message, outgoingResponse.message, 488); + } + return; + } + // Otherwise rollback + _this.rollbackOffer() + .then(function () { + var outgoingResponse = request.reject({ statusCode: 488 }); // Not Acceptable Here + if (_this.delegate && _this.delegate.onInvite) { + _this.delegate.onInvite(request.message, outgoingResponse.message, 488); + } + }) + .catch(function (errorRollback) { + // No way to recover, so terminate session and mark as failed. + _this.logger.error(errorRollback.message); + _this.logger.error("Failed to rollback offer on re-INVITE request"); + var outgoingResponse = request.reject({ statusCode: 488 }); // Not Acceptable Here + // A BYE should only be sent if session is not alreadly terminated. + // For example, a BYE may be sent/received while re-INVITE is outstanding. + // Note that the ACK was already sent by the transaction, so just need to send BYE. + if (_this.state !== session_state_1.SessionState.Terminated) { + if (!_this.dialog) { + throw new Error("Dialog undefined."); + } + var extraHeadersBye = []; + extraHeadersBye.push("Reason: " + Utils_1.Utils.getReasonHeaderValue(500, "Internal Server Error")); + _this.dialog.bye(undefined, { extraHeaders: extraHeaders }); + _this.stateTransition(session_state_1.SessionState.Terminated); + _this.isFailed = true; + } + if (_this.delegate && _this.delegate.onInvite) { + _this.delegate.onInvite(request.message, outgoingResponse.message, 488); + } + }); + }); + }; + /** + * Handle in dialog NOTIFY request. + * @internal + */ + Session.prototype.onNotifyRequest = function (request) { + this.logger.log("Session.onNotifyRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("NOTIFY received while in state " + this.state + ", dropping request"); + return; + } + // If this a NOTIFY associated with the progress of a REFER, + // look to delegate handling to the associated Referrer. + if (this.referrer && this.referrer.delegate && this.referrer.delegate.onNotify) { + var notification = new notification_1.Notification(request); + this.referrer.delegate.onNotify(notification); + return; + } + // Otherwise accept the NOTIFY. + if (this.delegate && this.delegate.onNotify) { + var notification = new notification_1.Notification(request); + this.delegate.onNotify(notification); + } + else { + request.accept(); + } + }; + /** + * Handle in dialog PRACK request. + * @internal + */ + Session.prototype.onPrackRequest = function (request) { + this.logger.log("Session.onPrackRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("PRACK received while in state " + this.state + ", dropping request"); + return; + } + throw new Error("Unimplemented."); + }; + /** + * Handle in dialog REFER request. + * @internal + */ + Session.prototype.onReferRequest = function (request) { + var _this = this; + this.logger.log("Session.onReferRequest"); + if (this.state !== session_state_1.SessionState.Established) { + this.logger.error("REFER received while in state " + this.state + ", dropping request"); + return; + } + if (this.status === Enums_1.SessionStatus.STATUS_CONFIRMED) { + // RFC 3515 2.4.1 + if (!request.message.hasHeader("refer-to")) { + this.logger.warn("Invalid REFER packet. A refer-to header is required. Rejecting."); + request.reject(); + return; + } + var referral_2 = new referral_1.Referral(request, this); + if (this.delegate && this.delegate.onRefer) { + this.delegate.onRefer(referral_2); + } + else { + this.logger.log("No delegate available to handle REFER, automatically accepting and following."); + referral_2 + .accept() + .then(function () { return referral_2 + .makeInviter(_this.passedOptions) + .invite(); }) + .catch(function (error) { + // FIXME: logging and eating error... + _this.logger.error(error.message); + }); + } + } + }; + /** + * Generate an offer or answer for a response to an INVITE request. + * If a remote offer was provided in the request, set the remote + * description and get a local answer. If a remote offer was not + * provided, generates a local offer. + * @internal + */ + Session.prototype.generateResponseOfferAnswer = function (request, options) { + if (this.dialog) { + return this.generateResponseOfferAnswerInDialog(options); + } + var body = core_1.getBody(request.message); + if (!body || body.contentDisposition !== "session") { + return this.getOffer(options); + } + else { + return this.setOfferAndGetAnswer(body, options); + } + }; + /** + * Generate an offer or answer for a response to an INVITE request + * when a dialog (early or otherwise) has already been established. + * This method may NOT be called if a dialog has yet to be established. + * @internal + */ + Session.prototype.generateResponseOfferAnswerInDialog = function (options) { + if (!this.dialog) { + throw new Error("Dialog undefined."); + } + switch (this.dialog.signalingState) { + case core_1.SignalingState.Initial: + return this.getOffer(options); + case core_1.SignalingState.HaveLocalOffer: + // o Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + return Promise.resolve(undefined); + case core_1.SignalingState.HaveRemoteOffer: + if (!this.dialog.offer) { + throw new Error("Session offer undefined in signaling state " + this.dialog.signalingState + "."); + } + return this.setOfferAndGetAnswer(this.dialog.offer, options); + case core_1.SignalingState.Stable: + // o Once the UAS has sent or received an answer to the initial + // offer, it MUST NOT generate subsequent offers in any responses + // to the initial INVITE. This means that a UAS based on this + // specification alone can never generate subsequent offers until + // completion of the initial transaction. + // https://tools.ietf.org/html/rfc3261#section-13.2.1 + if (this.state !== session_state_1.SessionState.Established) { + return Promise.resolve(undefined); + } + // In dialog INVITE without offer, get an offer for the response. + return this.getOffer(options); + case core_1.SignalingState.Closed: + throw new Error("Invalid signaling state " + this.dialog.signalingState + "."); + default: + throw new Error("Invalid signaling state " + this.dialog.signalingState + "."); + } + }; + /** + * Get local offer. + * @internal + */ + Session.prototype.getOffer = function (options) { + var _this = this; + var sdh = this.setupSessionDescriptionHandler(); + var sdhOptions = options.sessionDescriptionHandlerOptions; + var sdhModifiers = options.sessionDescriptionHandlerModifiers; + // This is intentionally written very defensively. Don't trust SDH to behave. + try { + return sdh.getDescription(sdhOptions, sdhModifiers) + .then(function (bodyAndContentType) { return Utils_1.Utils.fromBodyObj(bodyAndContentType); }) + .catch(function (error) { + _this.logger.error("Session.getOffer: SDH getDescription rejected..."); + var e = error instanceof Error ? error : new Error(error); + _this.logger.error(e.message); + throw e; + }); + } + catch (error) { // don't trust SDH to throw an Error + this.logger.error("Session.getOffer: SDH getDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + }; + /** + * Rollback local/remote offer. + * @internal + */ + Session.prototype.rollbackOffer = function () { + var _this = this; + var sdh = this.setupSessionDescriptionHandler(); + if (!sdh.rollbackDescription) { + return Promise.resolve(); + } + // This is intentionally written very defensively. Don't trust SDH to behave. + try { + return sdh.rollbackDescription() + .catch(function (error) { + _this.logger.error("Session.rollbackOffer: SDH rollbackDescription rejected..."); + var e = error instanceof Error ? error : new Error(error); + _this.logger.error(e.message); + throw e; + }); + } + catch (error) { // don't trust SDH to throw an Error + this.logger.error("Session.rollbackOffer: SDH rollbackDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + }; + /** + * Set remote answer. + * @internal + */ + Session.prototype.setAnswer = function (answer, options) { + var _this = this; + var sdh = this.setupSessionDescriptionHandler(); + var sdhOptions = options.sessionDescriptionHandlerOptions; + var sdhModifiers = options.sessionDescriptionHandlerModifiers; + // This is intentionally written very defensively. Don't trust SDH to behave. + try { + if (!sdh.hasDescription(answer.contentType)) { + return Promise.reject(new Exceptions_1.Exceptions.UnsupportedSessionDescriptionContentTypeError()); + } + } + catch (error) { + this.logger.error("Session.setAnswer: SDH hasDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + try { + return sdh.setDescription(answer.content, sdhOptions, sdhModifiers) + .catch(function (error) { + _this.logger.error("Session.setAnswer: SDH setDescription rejected..."); + var e = error instanceof Error ? error : new Error(error); + _this.logger.error(e.message); + throw e; + }); + } + catch (error) { // don't trust SDH to throw an Error + this.logger.error("Session.setAnswer: SDH setDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + }; + /** + * Set remote offer and get local answer. + * @internal + */ + Session.prototype.setOfferAndGetAnswer = function (offer, options) { + var _this = this; + var sdh = this.setupSessionDescriptionHandler(); + var sdhOptions = options.sessionDescriptionHandlerOptions; + var sdhModifiers = options.sessionDescriptionHandlerModifiers; + // This is intentionally written very defensively. Don't trust SDH to behave. + try { + if (!sdh.hasDescription(offer.contentType)) { + return Promise.reject(new Exceptions_1.Exceptions.UnsupportedSessionDescriptionContentTypeError()); + } + } + catch (error) { + this.logger.error("Session.setOfferAndGetAnswer: SDH hasDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + try { + return sdh.setDescription(offer.content, sdhOptions, sdhModifiers) + .then(function () { return sdh.getDescription(sdhOptions, sdhModifiers); }) + .then(function (bodyAndContentType) { return Utils_1.Utils.fromBodyObj(bodyAndContentType); }) + .catch(function (error) { + _this.logger.error("Session.setOfferAndGetAnswer: SDH setDescription or getDescription rejected..."); + var e = error instanceof Error ? error : new Error(error); + _this.logger.error(e.message); + throw e; + }); + } + catch (error) { // don't trust SDH to throw an Error + this.logger.error("Session.setOfferAndGetAnswer: SDH setDescription or getDescription threw..."); + var e = error instanceof Error ? error : new Error(error); + this.logger.error(e.message); + return Promise.reject(e); + } + }; + /** + * SDH for confirmed dialog. + * @internal + */ + Session.prototype.setSessionDescriptionHandler = function (sdh) { + if (this._sessionDescriptionHandler) { + throw new Error("Sessionn description handler defined."); + } + this._sessionDescriptionHandler = sdh; + }; + /** + * SDH for confirmed dialog. + * @internal + */ + Session.prototype.setupSessionDescriptionHandler = function () { + if (this._sessionDescriptionHandler) { + return this._sessionDescriptionHandler; + } + this._sessionDescriptionHandler = + this.sessionDescriptionHandlerFactory(this, this.userAgent.configuration.sessionDescriptionHandlerFactoryOptions); + this.emit("SessionDescriptionHandler-created", this._sessionDescriptionHandler); + return this._sessionDescriptionHandler; + }; + /** + * Transition session state. + * @internal + */ + Session.prototype.stateTransition = function (newState) { + var _this = this; + var invalidTransition = function () { + throw new Error("Invalid state transition from " + _this._state + " to " + newState); + }; + // Validate transition + switch (this._state) { + case session_state_1.SessionState.Initial: + if (newState !== session_state_1.SessionState.Establishing && + newState !== session_state_1.SessionState.Established && + newState !== session_state_1.SessionState.Terminating && + newState !== session_state_1.SessionState.Terminated) { + invalidTransition(); + } + break; + case session_state_1.SessionState.Establishing: + if (newState !== session_state_1.SessionState.Established && + newState !== session_state_1.SessionState.Terminating && + newState !== session_state_1.SessionState.Terminated) { + invalidTransition(); + } + break; + case session_state_1.SessionState.Established: + if (newState !== session_state_1.SessionState.Terminating && + newState !== session_state_1.SessionState.Terminated) { + invalidTransition(); + } + break; + case session_state_1.SessionState.Terminating: + if (newState !== session_state_1.SessionState.Terminated) { + invalidTransition(); + } + break; + case session_state_1.SessionState.Terminated: + invalidTransition(); + break; + default: + throw new Error("Unrecognized state."); + } + if (newState === session_state_1.SessionState.Established) { + this.startTime = new Date(); // Deprecated legacy ported behavior + } + if (newState === session_state_1.SessionState.Terminated) { + this.endTime = new Date(); // Deprecated legacy ported behavior + this.close(); + } + // Transition + this._state = newState; + this.logger.log("Session " + this.id + " transitioned to state " + this._state); + this._stateEventEmitter.emit("event", this._state); + }; + // DEPRECATED + /** @internal */ + Session.C = Enums_1.SessionStatus; + return Session; +}(events_1.EventEmitter)); +exports.Session = Session; + + +/***/ }), +/* 96 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Creates an {@link Emitter}. + * @param eventEmitter - An event emitter. + * @param eventName - Event name. + * @internal + */ +function makeEmitter(eventEmitter, eventName) { + if (eventName === void 0) { eventName = "event"; } + return { + on: function (listener) { + eventEmitter.on(eventName, listener); + }, + off: function (listener) { + eventEmitter.removeListener(eventName, listener); + }, + once: function (listener) { + eventEmitter.once(eventName, listener); + } + }; +} +exports.makeEmitter = makeEmitter; + + +/***/ }), +/* 97 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * An exchange of information (incoming INFO). + * @public + */ +var Info = /** @class */ (function () { + /** @internal */ + function Info(incomingInfoRequest) { + this.incomingInfoRequest = incomingInfoRequest; + } + Object.defineProperty(Info.prototype, "request", { + /** Incoming MESSAGE request message. */ + get: function () { + return this.incomingInfoRequest.message; + }, + enumerable: true, + configurable: true + }); + /** Accept the request. */ + Info.prototype.accept = function (options) { + this.incomingInfoRequest.accept(options); + return Promise.resolve(); + }; + /** Reject the request. */ + Info.prototype.reject = function (options) { + this.incomingInfoRequest.reject(options); + return Promise.resolve(); + }; + return Info; +}()); +exports.Info = Info; + + +/***/ }), +/* 98 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * A notification of an event (incoming NOTIFY). + * @public + */ +var Notification = /** @class */ (function () { + /** @internal */ + function Notification(incomingNotifyRequest) { + this.incomingNotifyRequest = incomingNotifyRequest; + } + Object.defineProperty(Notification.prototype, "request", { + /** Incoming NOTIFY request message. */ + get: function () { + return this.incomingNotifyRequest.message; + }, + enumerable: true, + configurable: true + }); + /** Accept the request. */ + Notification.prototype.accept = function (options) { + this.incomingNotifyRequest.accept(options); + return Promise.resolve(); + }; + /** Reject the request. */ + Notification.prototype.reject = function (options) { + this.incomingNotifyRequest.reject(options); + return Promise.resolve(); + }; + return Notification; +}()); +exports.Notification = Notification; + + +/***/ }), +/* 99 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var core_1 = __webpack_require__(2); +/** + * A request to establish a {@link Session} elsewhere (incoming REFER). + * @public + */ +var Referral = /** @class */ (function () { + /** @internal */ + function Referral(incomingReferRequest, session) { + this.incomingReferRequest = incomingReferRequest; + this.session = session; + } + Object.defineProperty(Referral.prototype, "referTo", { + get: function () { + var referTo = this.incomingReferRequest.message.parseHeader("refer-to"); + if (!(referTo instanceof core_1.NameAddrHeader)) { + throw new Error("Failed to parse Refer-To header."); + } + return referTo; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Referral.prototype, "referredBy", { + get: function () { + return this.incomingReferRequest.message.getHeader("referred-by"); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Referral.prototype, "replaces", { + get: function () { + return this.referTo.uri.getHeader("replaces"); + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(Referral.prototype, "request", { + /** Incoming REFER request message. */ + get: function () { + return this.incomingReferRequest.message; + }, + enumerable: true, + configurable: true + }); + /** Accept the request. */ + Referral.prototype.accept = function (options) { + if (options === void 0) { options = { statusCode: 202 }; } + this.incomingReferRequest.accept(options); + return Promise.resolve(); + }; + /** Reject the request. */ + Referral.prototype.reject = function (options) { + this.incomingReferRequest.reject(options); + return Promise.resolve(); + }; + /** + * Creates an inviter which may be used to send an out of dialog INVITE request. + * + * @remarks + * This a helper method to create an Inviter which will execute the referral + * of the `Session` which was referred. The appropriate headers are set and + * the referred `Session` is linked to the new `Session`. Note that only a + * single instance of the `Inviter` will be created and returned (if called + * more than once a reference to the same `Inviter` will be returned every time). + * + * @param options - Options bucket. + * @param modifiers - Session description handler modifiers. + */ + Referral.prototype.makeInviter = function (options) { + if (this.inviter) { + return this.inviter; + } + var targetURI = this.referTo.uri.clone(); + targetURI.clearHeaders(); + options = options || {}; + var extraHeaders = (options.extraHeaders || []).slice(); + var replaces = this.replaces; + if (replaces) { + // decodeURIComponent is a holdover from 2c086eb4. Not sure that it is actually necessary + extraHeaders.push("Replaces: " + decodeURIComponent(replaces)); + } + var referredBy = this.referredBy; + if (referredBy) { + extraHeaders.push("Referred-By: " + referredBy); + } + options.extraHeaders = extraHeaders; + this.inviter = this.session.userAgent.makeInviter(targetURI, options); + this.inviter.referred = this.session; + this.session.referral = this.inviter; + return this.inviter; + }; + return Referral; +}()); +exports.Referral = Referral; + + +/***/ }), +/* 100 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * {@link Session} state. + * @remarks + * Valid state transitions: + * ``` + * 1. "initial" --> "establishing" (before INVITE sent on outgoing, before OK sent on incoming) + * 2. "initial" --> "established" (after ACK is sent on outgoing, after OK sent on incoming) + * 4. "initial" --> "terminating" + * 4. "initial" --> "terminated" + * 5. "establishing" --> "established" + * 6. "establishing" --> "terminating" + * 7. "establishing" --> "terminated" + * 8. "established" --> "terminating" + * 9. "established" --> "terminated" + * 10. "terminating" --> "terminated" + * ``` + * @public + */ +var SessionState; +(function (SessionState) { + SessionState["Initial"] = "Initial"; + SessionState["Establishing"] = "Establishing"; + SessionState["Established"] = "Established"; + SessionState["Terminating"] = "Terminating"; + SessionState["Terminated"] = "Terminated"; +})(SessionState = exports.SessionState || (exports.SessionState = {})); + + +/***/ }), +/* 101 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var stripPayload = function (sdp, payload) { + var mediaDescs = []; + var lines = sdp.split(/\r\n/); + var currentMediaDesc; + for (var i = 0; i < lines.length;) { + var line = lines[i]; + if (/^m=(?:audio|video)/.test(line)) { + currentMediaDesc = { + index: i, + stripped: [] + }; + mediaDescs.push(currentMediaDesc); + } + else if (currentMediaDesc) { + var rtpmap = /^a=rtpmap:(\d+) ([^/]+)\//.exec(line); + if (rtpmap && payload === rtpmap[2]) { + lines.splice(i, 1); + currentMediaDesc.stripped.push(rtpmap[1]); + continue; // Don't increment 'i' + } + } + i++; + } + for (var _i = 0, mediaDescs_1 = mediaDescs; _i < mediaDescs_1.length; _i++) { + var mediaDesc = mediaDescs_1[_i]; + var mline = lines[mediaDesc.index].split(" "); + // Ignore the first 3 parameters of the mline. The codec information is after that + for (var j = 3; j < mline.length;) { + if (mediaDesc.stripped.indexOf(mline[j]) !== -1) { + mline.splice(j, 1); + continue; + } + j++; + } + lines[mediaDesc.index] = mline.join(" "); + } + return lines.join("\r\n"); +}; +var stripMediaDescription = function (sdp, description) { + var descriptionRegExp = new RegExp("m=" + description + ".*$", "gm"); + var groupRegExp = new RegExp("^a=group:.*$", "gm"); + if (descriptionRegExp.test(sdp)) { + var midLineToRemove_1; + sdp = sdp.split(/^m=/gm).filter(function (section) { + if (section.substr(0, description.length) === description) { + midLineToRemove_1 = section.match(/^a=mid:.*$/gm); + if (midLineToRemove_1) { + var step = midLineToRemove_1[0].match(/:.+$/g); + if (step) { + midLineToRemove_1 = step[0].substr(1); + } + } + return false; + } + return true; + }).join("m="); + var groupLine = sdp.match(groupRegExp); + if (groupLine && groupLine.length === 1) { + var groupLinePortion = groupLine[0]; + var groupRegExpReplace = new RegExp("\ *" + midLineToRemove_1 + "[^\ ]*", "g"); + groupLinePortion = groupLinePortion.replace(groupRegExpReplace, ""); + sdp = sdp.split(groupRegExp).join(groupLinePortion); + } + } + return sdp; +}; +function stripTcpCandidates(description) { + description.sdp = (description.sdp || "").replace(/^a=candidate:\d+ \d+ tcp .*?\r\n/img, ""); + return Promise.resolve(description); +} +exports.stripTcpCandidates = stripTcpCandidates; +function stripTelephoneEvent(description) { + description.sdp = stripPayload(description.sdp || "", "telephone-event"); + return Promise.resolve(description); +} +exports.stripTelephoneEvent = stripTelephoneEvent; +function cleanJitsiSdpImageattr(description) { + description.sdp = (description.sdp || "").replace(/^(a=imageattr:.*?)(x|y)=\[0-/gm, "$1$2=[1:"); + return Promise.resolve(description); +} +exports.cleanJitsiSdpImageattr = cleanJitsiSdpImageattr; +function stripG722(description) { + description.sdp = stripPayload(description.sdp || "", "G722"); + return Promise.resolve(description); +} +exports.stripG722 = stripG722; +function stripRtpPayload(payload) { + return function (description) { + description.sdp = stripPayload(description.sdp || "", payload); + return Promise.resolve(description); + }; +} +exports.stripRtpPayload = stripRtpPayload; +function stripVideo(description) { + description.sdp = stripMediaDescription(description.sdp || "", "video"); + return Promise.resolve(description); +} +exports.stripVideo = stripVideo; +function addMidLines(description) { + var sdp = description.sdp || ""; + if (sdp.search(/^a=mid.*$/gm) === -1) { + var mlines_1 = sdp.match(/^m=.*$/gm); + var sdpArray_1 = sdp.split(/^m=.*$/gm); + if (mlines_1) { + mlines_1.forEach(function (elem, idx) { + mlines_1[idx] = elem + "\na=mid:" + idx; + }); + } + sdpArray_1.forEach(function (elem, idx) { + if (mlines_1 && mlines_1[idx]) { + sdpArray_1[idx] = elem + mlines_1[idx]; + } + }); + sdp = sdpArray_1.join(""); + description.sdp = sdp; + } + return Promise.resolve(description); +} +exports.addMidLines = addMidLines; + + +/***/ }), +/* 102 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var Enums_1 = __webpack_require__(82); +/* SessionDescriptionHandlerObserver + * @class SessionDescriptionHandler Observer Class. + * @param {SIP.Session} session + * @param {Object} [options] + */ +var SessionDescriptionHandlerObserver = /** @class */ (function () { + function SessionDescriptionHandlerObserver(session, options) { + this.type = Enums_1.TypeStrings.SessionDescriptionHandlerObserver; + this.session = session; + this.options = options; + } + SessionDescriptionHandlerObserver.prototype.trackAdded = function () { + this.session.emit("trackAdded"); + }; + SessionDescriptionHandlerObserver.prototype.directionChanged = function () { + this.session.emit("directionChanged"); + }; + return SessionDescriptionHandlerObserver; +}()); +exports.SessionDescriptionHandlerObserver = SessionDescriptionHandlerObserver; + + +/***/ }), +/* 103 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var core_1 = __webpack_require__(2); +var Enums_1 = __webpack_require__(82); +var Exceptions_1 = __webpack_require__(84); +var Utils_1 = __webpack_require__(83); +var TransportStatus; +(function (TransportStatus) { + TransportStatus[TransportStatus["STATUS_CONNECTING"] = 0] = "STATUS_CONNECTING"; + TransportStatus[TransportStatus["STATUS_OPEN"] = 1] = "STATUS_OPEN"; + TransportStatus[TransportStatus["STATUS_CLOSING"] = 2] = "STATUS_CLOSING"; + TransportStatus[TransportStatus["STATUS_CLOSED"] = 3] = "STATUS_CLOSED"; +})(TransportStatus = exports.TransportStatus || (exports.TransportStatus = {})); +/** + * Compute an amount of time in seconds to wait before sending another + * keep-alive. + * @returns {Number} + */ +var computeKeepAliveTimeout = function (upperBound) { + var lowerBound = upperBound * 0.8; + return 1000 * (Math.random() * (upperBound - lowerBound) + lowerBound); +}; +/** + * @class Transport + * @param {Object} options + */ +var Transport = /** @class */ (function (_super) { + tslib_1.__extends(Transport, _super); + function Transport(logger, options) { + if (options === void 0) { options = {}; } + var _this = _super.call(this, logger) || this; + _this.type = Enums_1.TypeStrings.Transport; + _this.reconnectionAttempts = 0; + _this.status = TransportStatus.STATUS_CONNECTING; + _this.configuration = _this.loadConfig(options); + _this.server = _this.configuration.wsServers[0]; + return _this; + } + /** + * @returns {Boolean} + */ + Transport.prototype.isConnected = function () { + return this.status === TransportStatus.STATUS_OPEN; + }; + /** + * Send a message. + * @param message - Outgoing message. + * @param options - Options bucket. + */ + Transport.prototype.sendPromise = function (message, options) { + if (options === void 0) { options = {}; } + if (this.ws === undefined) { + this.onError("unable to send message - WebSocket undefined"); + return Promise.reject(new Error("WebSocket undefined.")); + } + // FIXME: This check is likely not necessary as WebSocket.send() will + // throw INVALID_STATE_ERR if the connection is not currently open + // which could happen regardless of what we thing the state is. + if (!this.statusAssert(TransportStatus.STATUS_OPEN, options.force)) { + this.onError("unable to send message - WebSocket not open"); + return Promise.reject(new Error("WebSocket not open.")); + } + if (this.configuration.traceSip === true) { + this.logger.log("sending WebSocket message:\n\n" + message + "\n"); + } + // WebSocket.send() can throw. + // https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + try { + this.ws.send(message); + } + catch (error) { + if (error instanceof error) { + Promise.reject(error); + } + return Promise.reject(new Error("Failed to send message.")); + } + return Promise.resolve({ msg: message }); + }; + /** + * Disconnect socket. + */ + Transport.prototype.disconnectPromise = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + if (this.disconnectionPromise) { // Already disconnecting. Just return this. + return this.disconnectionPromise; + } + options.code = options.code || 1000; + if (!this.statusTransition(TransportStatus.STATUS_CLOSING, options.force)) { + if (this.status === TransportStatus.STATUS_CLOSED) { // Websocket is already closed + return Promise.resolve({ overrideEvent: true }); + } + else if (this.connectionPromise) { // Websocket is connecting, cannot move to disconneting yet + return this.connectionPromise.then(function () { return Promise.reject("The websocket did not disconnect"); }) + .catch(function () { return Promise.resolve({ overrideEvent: true }); }); + } + else { + // Cannot move to disconnecting, but not in connecting state. + return Promise.reject("The websocket did not disconnect"); + } + } + this.emit("disconnecting"); + this.disconnectionPromise = new Promise(function (resolve, reject) { + _this.disconnectDeferredResolve = resolve; + if (_this.reconnectTimer) { + clearTimeout(_this.reconnectTimer); + _this.reconnectTimer = undefined; + } + if (_this.ws) { + _this.stopSendingKeepAlives(); + _this.logger.log("closing WebSocket " + _this.server.wsUri); + _this.ws.close(options.code, options.reason); + } + else { + reject("Attempted to disconnect but the websocket doesn't exist"); + } + }); + return this.disconnectionPromise; + }; + /** + * Connect socket. + */ + Transport.prototype.connectPromise = function (options) { + var _this = this; + if (options === void 0) { options = {}; } + if (this.status === TransportStatus.STATUS_CLOSING && !options.force) { + return Promise.reject("WebSocket " + this.server.wsUri + " is closing"); + } + if (this.connectionPromise) { + return this.connectionPromise; + } + this.server = this.server || this.getNextWsServer(options.force); + this.connectionPromise = new Promise(function (resolve, reject) { + if ((_this.status === TransportStatus.STATUS_OPEN || _this.status === TransportStatus.STATUS_CLOSING) + && !options.force) { + _this.logger.warn("WebSocket " + _this.server.wsUri + " is already connected"); + reject("Failed status check - attempted to open a connection but already open/closing"); + return; + } + _this.connectDeferredResolve = resolve; + _this.connectDeferredReject = reject; + _this.status = TransportStatus.STATUS_CONNECTING; + _this.emit("connecting"); + _this.logger.log("connecting to WebSocket " + _this.server.wsUri); + _this.disposeWs(); + try { + _this.ws = new WebSocket(_this.server.wsUri, "sip"); + } + catch (e) { + _this.ws = undefined; + _this.statusTransition(TransportStatus.STATUS_CLOSED, true); + _this.onError("error connecting to WebSocket " + _this.server.wsUri + ":" + e); + reject("Failed to create a websocket"); + _this.connectDeferredResolve = undefined; + _this.connectDeferredReject = undefined; + return; + } + if (!_this.ws) { + reject("Unexpected instance websocket not set"); + _this.connectDeferredResolve = undefined; + _this.connectDeferredReject = undefined; + return; + } + _this.connectionTimeout = setTimeout(function () { + _this.statusTransition(TransportStatus.STATUS_CLOSED); + _this.logger.warn("took too long to connect - exceeded time set in configuration.connectionTimeout: " + + _this.configuration.connectionTimeout + "s"); + _this.emit("disconnected", { code: 1000 }); + _this.connectionPromise = undefined; + reject("Connection timeout"); + _this.connectDeferredResolve = undefined; + _this.connectDeferredReject = undefined; + var ws = _this.ws; + _this.disposeWs(); + if (ws) { + ws.close(1000); + } + }, _this.configuration.connectionTimeout * 1000); + _this.boundOnOpen = _this.onOpen.bind(_this); + _this.boundOnMessage = _this.onMessage.bind(_this); + _this.boundOnClose = _this.onClose.bind(_this); + _this.boundOnError = _this.onWebsocketError.bind(_this); + _this.ws.addEventListener("open", _this.boundOnOpen); + _this.ws.addEventListener("message", _this.boundOnMessage); + _this.ws.addEventListener("close", _this.boundOnClose); + _this.ws.addEventListener("error", _this.boundOnError); + }); + return this.connectionPromise; + }; + /** + * @event + * @param {event} e + */ + Transport.prototype.onMessage = function (e) { + var data = e.data; + var finishedData; + // CRLF Keep Alive response from server. Clear our keep alive timeout. + if (/^(\r\n)+$/.test(data)) { + this.clearKeepAliveTimeout(); + if (this.configuration.traceSip === true) { + this.logger.log("received WebSocket message with CRLF Keep Alive response"); + } + return; + } + else if (!data) { + this.logger.warn("received empty message, message discarded"); + return; + } + else if (typeof data !== "string") { // WebSocket binary message. + try { + // the UInt8Data was here prior to types, and doesn't check + finishedData = String.fromCharCode.apply(null, new Uint8Array(data)); + } + catch (err) { + this.logger.warn("received WebSocket binary message failed to be converted into string, message discarded"); + return; + } + if (this.configuration.traceSip === true) { + this.logger.log("received WebSocket binary message:\n\n" + data + "\n"); + } + } + else { // WebSocket text message. + if (this.configuration.traceSip === true) { + this.logger.log("received WebSocket text message:\n\n" + data + "\n"); + } + finishedData = data; + } + this.emit("message", finishedData); + }; + // Transport Event Handlers + /** + * @event + * @param {event} e + */ + Transport.prototype.onOpen = function () { + if (this.status === TransportStatus.STATUS_CLOSED) { // Indicated that the transport thinks the ws is dead already + var ws = this.ws; + this.disposeWs(); + if (ws) { + ws.close(1000); + } + return; + } + this.statusTransition(TransportStatus.STATUS_OPEN, true); + this.emit("connected"); + if (this.connectionTimeout) { + clearTimeout(this.connectionTimeout); + this.connectionTimeout = undefined; + } + this.logger.log("WebSocket " + this.server.wsUri + " connected"); + // Clear reconnectTimer since we are not disconnected + if (this.reconnectTimer !== undefined) { + clearTimeout(this.reconnectTimer); + this.reconnectTimer = undefined; + } + // Reset reconnectionAttempts + this.reconnectionAttempts = 0; + // Reset disconnection promise so we can disconnect from a fresh state + this.disconnectionPromise = undefined; + this.disconnectDeferredResolve = undefined; + // Start sending keep-alives + this.startSendingKeepAlives(); + if (this.connectDeferredResolve) { + this.connectDeferredResolve({ overrideEvent: true }); + this.connectDeferredResolve = undefined; + this.connectDeferredReject = undefined; + } + else { + this.logger.warn("Unexpected websocket.onOpen with no connectDeferredResolve"); + } + }; + /** + * @event + * @param {event} e + */ + Transport.prototype.onClose = function (e) { + this.logger.log("WebSocket disconnected (code: " + e.code + (e.reason ? "| reason: " + e.reason : "") + ")"); + if (this.status !== TransportStatus.STATUS_CLOSING) { + this.logger.warn("WebSocket closed without SIP.js requesting it"); + this.emit("transportError"); + } + this.stopSendingKeepAlives(); + // Clean up connection variables so we can connect again from a fresh state + if (this.connectionTimeout) { + clearTimeout(this.connectionTimeout); + } + if (this.connectDeferredReject) { + this.connectDeferredReject("Websocket Closed"); + } + this.connectionTimeout = undefined; + this.connectionPromise = undefined; + this.connectDeferredResolve = undefined; + this.connectDeferredReject = undefined; + // Check whether the user requested to close. + if (this.disconnectDeferredResolve) { + this.disconnectDeferredResolve({ overrideEvent: true }); + this.statusTransition(TransportStatus.STATUS_CLOSED); + this.disconnectDeferredResolve = undefined; + return; + } + this.statusTransition(TransportStatus.STATUS_CLOSED, true); + this.emit("disconnected", { code: e.code, reason: e.reason }); + this.disposeWs(); + this.reconnect(); + }; + /** + * Removes event listeners and clears the instance ws + */ + Transport.prototype.disposeWs = function () { + if (this.ws) { + this.ws.removeEventListener("open", this.boundOnOpen); + this.ws.removeEventListener("message", this.boundOnMessage); + this.ws.removeEventListener("close", this.boundOnClose); + this.ws.removeEventListener("error", this.boundOnError); + this.ws = undefined; + } + }; + /** + * @event + * @param {string} e + */ + Transport.prototype.onError = function (e) { + this.logger.warn("Transport error: " + e); + this.emit("transportError"); + }; + /** + * @event + * @private + */ + Transport.prototype.onWebsocketError = function () { + this.onError("The Websocket had an error"); + }; + /** + * Reconnection attempt logic. + */ + Transport.prototype.reconnect = function () { + var _this = this; + if (this.reconnectionAttempts > 0) { + this.logger.log("Reconnection attempt " + this.reconnectionAttempts + " failed"); + } + if (this.noAvailableServers()) { + this.logger.warn("attempted to get next ws server but there are no available ws servers left"); + this.logger.warn("no available ws servers left - going to closed state"); + this.statusTransition(TransportStatus.STATUS_CLOSED, true); + this.emit("closed"); + this.resetServerErrorStatus(); + return; + } + if (this.isConnected()) { + this.logger.warn("attempted to reconnect while connected - forcing disconnect"); + this.disconnect({ force: true }); + } + this.reconnectionAttempts += 1; + if (this.reconnectionAttempts > this.configuration.maxReconnectionAttempts) { + this.logger.warn("maximum reconnection attempts for WebSocket " + this.server.wsUri); + this.logger.log("transport " + this.server.wsUri + " failed | connection state set to 'error'"); + this.server.isError = true; + this.emit("transportError"); + if (!this.noAvailableServers()) { + this.server = this.getNextWsServer(); + } + // When there are no available servers, the reconnect function ends on the next recursive call + // after checking for no available servers again. + this.reconnectionAttempts = 0; + this.reconnect(); + } + else { + this.logger.log("trying to reconnect to WebSocket " + + this.server.wsUri + " (reconnection attempt " + this.reconnectionAttempts + ")"); + this.reconnectTimer = setTimeout(function () { + _this.connect(); + _this.reconnectTimer = undefined; + }, (this.reconnectionAttempts === 1) ? 0 : this.configuration.reconnectionTimeout * 1000); + } + }; + /** + * Resets the error state of all servers in the configuration + */ + Transport.prototype.resetServerErrorStatus = function () { + for (var _i = 0, _a = this.configuration.wsServers; _i < _a.length; _i++) { + var websocket = _a[_i]; + websocket.isError = false; + } + }; + /** + * Retrieve the next server to which connect. + * @param {Boolean} force allows bypass of server error status checking + * @returns {Object} WsServer + */ + Transport.prototype.getNextWsServer = function (force) { + if (force === void 0) { force = false; } + if (this.noAvailableServers()) { + this.logger.warn("attempted to get next ws server but there are no available ws servers left"); + throw new Error("Attempted to get next ws server, but there are no available ws servers left."); + } + // Order servers by weight + var candidates = []; + for (var _i = 0, _a = this.configuration.wsServers; _i < _a.length; _i++) { + var wsServer = _a[_i]; + if (wsServer.isError && !force) { + continue; + } + else if (candidates.length === 0) { + candidates.push(wsServer); + } + else if (wsServer.weight > candidates[0].weight) { + candidates = [wsServer]; + } + else if (wsServer.weight === candidates[0].weight) { + candidates.push(wsServer); + } + } + var idx = Math.floor(Math.random() * candidates.length); + return candidates[idx]; + }; + /** + * Checks all configuration servers, returns true if all of them have isError: true and false otherwise + * @returns {Boolean} + */ + Transport.prototype.noAvailableServers = function () { + for (var _i = 0, _a = this.configuration.wsServers; _i < _a.length; _i++) { + var server = _a[_i]; + if (!server.isError) { + return false; + } + } + return true; + }; + // ============================== + // KeepAlive Stuff + // ============================== + /** + * Send a keep-alive (a double-CRLF sequence). + * @returns {Boolean} + */ + Transport.prototype.sendKeepAlive = function () { + var _this = this; + if (this.keepAliveDebounceTimeout) { + // We already have an outstanding keep alive, do not send another. + return; + } + this.keepAliveDebounceTimeout = setTimeout(function () { + _this.emit("keepAliveDebounceTimeout"); + _this.clearKeepAliveTimeout(); + }, this.configuration.keepAliveDebounce * 1000); + return this.send("\r\n\r\n"); + }; + Transport.prototype.clearKeepAliveTimeout = function () { + if (this.keepAliveDebounceTimeout) { + clearTimeout(this.keepAliveDebounceTimeout); + } + this.keepAliveDebounceTimeout = undefined; + }; + /** + * Start sending keep-alives. + */ + Transport.prototype.startSendingKeepAlives = function () { + var _this = this; + if (this.configuration.keepAliveInterval && !this.keepAliveInterval) { + this.keepAliveInterval = setInterval(function () { + _this.sendKeepAlive(); + _this.startSendingKeepAlives(); + }, computeKeepAliveTimeout(this.configuration.keepAliveInterval)); + } + }; + /** + * Stop sending keep-alives. + */ + Transport.prototype.stopSendingKeepAlives = function () { + if (this.keepAliveInterval) { + clearInterval(this.keepAliveInterval); + } + if (this.keepAliveDebounceTimeout) { + clearTimeout(this.keepAliveDebounceTimeout); + } + this.keepAliveInterval = undefined; + this.keepAliveDebounceTimeout = undefined; + }; + // ============================== + // Status Stuff + // ============================== + /** + * Checks given status against instance current status. Returns true if they match + * @param {Number} status + * @param {Boolean} [force] + * @returns {Boolean} + */ + Transport.prototype.statusAssert = function (status, force) { + if (status === this.status) { + return true; + } + else { + if (force) { + this.logger.warn("Attempted to assert " + + Object.keys(TransportStatus)[this.status] + " as " + + Object.keys(TransportStatus)[status] + "- continuing with option: 'force'"); + return true; + } + else { + this.logger.warn("Tried to assert " + + Object.keys(TransportStatus)[status] + " but is currently " + + Object.keys(TransportStatus)[this.status]); + return false; + } + } + }; + /** + * Transitions the status. Checks for legal transition via assertion beforehand + * @param {Number} status + * @param {Boolean} [force] + * @returns {Boolean} + */ + Transport.prototype.statusTransition = function (status, force) { + if (force === void 0) { force = false; } + this.logger.log("Attempting to transition status from " + + Object.keys(TransportStatus)[this.status] + " to " + + Object.keys(TransportStatus)[status]); + if ((status === TransportStatus.STATUS_CONNECTING && this.statusAssert(TransportStatus.STATUS_CLOSED, force)) || + (status === TransportStatus.STATUS_OPEN && this.statusAssert(TransportStatus.STATUS_CONNECTING, force)) || + (status === TransportStatus.STATUS_CLOSING && this.statusAssert(TransportStatus.STATUS_OPEN, force)) || + (status === TransportStatus.STATUS_CLOSED)) { + this.status = status; + return true; + } + else { + this.logger.warn("Status transition failed - result: no-op - reason:" + + " either gave an nonexistent status or attempted illegal transition"); + return false; + } + }; + // ============================== + // Configuration Handling + // ============================== + /** + * Configuration load. + * returns {Configuration} + */ + Transport.prototype.loadConfig = function (configuration) { + var settings = { + wsServers: [{ + scheme: "WSS", + sipUri: "", + weight: 0, + wsUri: "wss://edge.sip.onsip.com", + isError: false + }], + connectionTimeout: 5, + maxReconnectionAttempts: 3, + reconnectionTimeout: 4, + keepAliveInterval: 0, + keepAliveDebounce: 10, + // Logging + traceSip: false + }; + var configCheck = this.getConfigurationCheck(); + // Check Mandatory parameters + for (var parameter in configCheck.mandatory) { + if (!configuration.hasOwnProperty(parameter)) { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter); + } + else { + var value = configuration[parameter]; + var checkedValue = configCheck.mandatory[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + // Check Optional parameters + for (var parameter in configCheck.optional) { + if (configuration.hasOwnProperty(parameter)) { + var value = configuration[parameter]; + // If the parameter value is an empty array, but shouldn't be, apply its default value. + // If the parameter value is null, empty string, or undefined then apply its default value. + // If it's a number with NaN value then also apply its default value. + // NOTE: JS does not allow "value === NaN", the following does the work: + if ((value instanceof Array && value.length === 0) || + (value === null || value === "" || value === undefined) || + (typeof (value) === "number" && isNaN(value))) { + continue; + } + var checkedValue = configCheck.optional[parameter](value); + if (checkedValue !== undefined) { + settings[parameter] = checkedValue; + } + else { + throw new Exceptions_1.Exceptions.ConfigurationError(parameter, value); + } + } + } + var skeleton = {}; // Fill the value of the configuration_skeleton + for (var parameter in settings) { + if (settings.hasOwnProperty(parameter)) { + skeleton[parameter] = { + value: settings[parameter], + }; + } + } + var returnConfiguration = Object.defineProperties({}, skeleton); + this.logger.log("configuration parameters after validation:"); + for (var parameter in settings) { + if (settings.hasOwnProperty(parameter)) { + this.logger.log("· " + parameter + ": " + JSON.stringify(settings[parameter])); + } + } + return returnConfiguration; + }; + /** + * Configuration checker. + * @return {Boolean} + */ + Transport.prototype.getConfigurationCheck = function () { + return { + mandatory: {}, + optional: { + // Note: this function used to call 'this.logger.error' but calling 'this' with anything here is invalid + wsServers: function (wsServers) { + /* Allow defining wsServers parameter as: + * String: "host" + * Array of Strings: ["host1", "host2"] + * Array of Objects: [{wsUri:"host1", weight:1}, {wsUri:"host2", weight:0}] + * Array of Objects and Strings: [{wsUri:"host1"}, "host2"] + */ + if (typeof wsServers === "string") { + wsServers = [{ wsUri: wsServers }]; + } + else if (wsServers instanceof Array) { + for (var idx = 0; idx < wsServers.length; idx++) { + if (typeof wsServers[idx] === "string") { + wsServers[idx] = { wsUri: wsServers[idx] }; + } + } + } + else { + return; + } + if (wsServers.length === 0) { + return false; + } + for (var _i = 0, wsServers_1 = wsServers; _i < wsServers_1.length; _i++) { + var wsServer = wsServers_1[_i]; + if (!wsServer.wsUri) { + return; + } + if (wsServer.weight && !Number(wsServer.weight)) { + return; + } + var url = core_1.Grammar.parse(wsServer.wsUri, "absoluteURI"); + if (url === -1) { + return; + } + else if (["wss", "ws", "udp"].indexOf(url.scheme) < 0) { + return; + } + else { + wsServer.sipUri = ""; + if (!wsServer.weight) { + wsServer.weight = 0; + } + wsServer.isError = false; + wsServer.scheme = url.scheme.toUpperCase(); + } + } + return wsServers; + }, + keepAliveInterval: function (keepAliveInterval) { + if (Utils_1.Utils.isDecimal(keepAliveInterval)) { + var value = Number(keepAliveInterval); + if (value > 0) { + return value; + } + } + }, + keepAliveDebounce: function (keepAliveDebounce) { + if (Utils_1.Utils.isDecimal(keepAliveDebounce)) { + var value = Number(keepAliveDebounce); + if (value > 0) { + return value; + } + } + }, + traceSip: function (traceSip) { + if (typeof traceSip === "boolean") { + return traceSip; + } + }, + connectionTimeout: function (connectionTimeout) { + if (Utils_1.Utils.isDecimal(connectionTimeout)) { + var value = Number(connectionTimeout); + if (value > 0) { + return value; + } + } + }, + maxReconnectionAttempts: function (maxReconnectionAttempts) { + if (Utils_1.Utils.isDecimal(maxReconnectionAttempts)) { + var value = Number(maxReconnectionAttempts); + if (value >= 0) { + return value; + } + } + }, + reconnectionTimeout: function (reconnectionTimeout) { + if (Utils_1.Utils.isDecimal(reconnectionTimeout)) { + var value = Number(reconnectionTimeout); + if (value > 0) { + return value; + } + } + } + } + }; + }; + Transport.C = TransportStatus; + return Transport; +}(core_1.Transport)); +exports.Transport = Transport; + + +/***/ }), +/* 104 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var Modifiers = tslib_1.__importStar(__webpack_require__(101)); +exports.Modifiers = Modifiers; +var Simple_1 = __webpack_require__(105); +exports.Simple = Simple_1.Simple; +var SessionDescriptionHandler_1 = __webpack_require__(94); +exports.SessionDescriptionHandler = SessionDescriptionHandler_1.SessionDescriptionHandler; +var Transport_1 = __webpack_require__(103); +exports.Transport = Transport_1.Transport; + + +/***/ }), +/* 105 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +Object.defineProperty(exports, "__esModule", { value: true }); +var tslib_1 = __webpack_require__(1); +var events_1 = __webpack_require__(30); +var UA_1 = __webpack_require__(93); +var Modifiers = tslib_1.__importStar(__webpack_require__(101)); +/* Simple + * @class Simple + */ +var SimpleStatus; +(function (SimpleStatus) { + SimpleStatus[SimpleStatus["STATUS_NULL"] = 0] = "STATUS_NULL"; + SimpleStatus[SimpleStatus["STATUS_NEW"] = 1] = "STATUS_NEW"; + SimpleStatus[SimpleStatus["STATUS_CONNECTING"] = 2] = "STATUS_CONNECTING"; + SimpleStatus[SimpleStatus["STATUS_CONNECTED"] = 3] = "STATUS_CONNECTED"; + SimpleStatus[SimpleStatus["STATUS_COMPLETED"] = 4] = "STATUS_COMPLETED"; +})(SimpleStatus = exports.SimpleStatus || (exports.SimpleStatus = {})); +var Simple = /** @class */ (function (_super) { + tslib_1.__extends(Simple, _super); + function Simple(options) { + var _this = _super.call(this) || this; + /* + * { + * media: { + * remote: { + * audio: , + * video: + * }, + * local: { + * video: + * } + * }, + * ua: { + * + * } + * } + */ + if (options.media.remote.video) { + _this.video = true; + } + else { + _this.video = false; + } + if (options.media.remote.audio) { + _this.audio = true; + } + else { + _this.audio = false; + } + if (!_this.audio && !_this.video) { + // Need to do at least audio or video + // Error + throw new Error("At least one remote audio or video element is required for Simple."); + } + _this.options = options; + // https://stackoverflow.com/questions/7944460/detect-safari-browser + var browserUa = navigator.userAgent.toLowerCase(); + var isSafari = false; + var isFirefox = false; + if (browserUa.indexOf("safari") > -1 && browserUa.indexOf("chrome") < 0) { + isSafari = true; + } + else if (browserUa.indexOf("firefox") > -1 && browserUa.indexOf("chrome") < 0) { + isFirefox = true; + } + var sessionDescriptionHandlerFactoryOptions = {}; + if (isSafari) { + sessionDescriptionHandlerFactoryOptions.modifiers = [Modifiers.stripG722]; + } + if (isFirefox) { + sessionDescriptionHandlerFactoryOptions.alwaysAcquireMediaFirst = true; + } + if (!_this.options.ua.uri) { + _this.anonymous = true; + } + else { + _this.anonymous = false; + } + _this.ua = new UA_1.UA({ + // User Configurable Options + uri: _this.options.ua.uri, + authorizationUser: _this.options.ua.authorizationUser, + password: _this.options.ua.password, + displayName: _this.options.ua.displayName, + // Undocumented "Advanced" Options + userAgentString: _this.options.ua.userAgentString, + // Fixed Options + register: true, + sessionDescriptionHandlerFactoryOptions: sessionDescriptionHandlerFactoryOptions, + transportOptions: { + traceSip: _this.options.ua.traceSip, + wsServers: _this.options.ua.wsServers + } + }); + _this.state = SimpleStatus.STATUS_NULL; + _this.logger = _this.ua.getLogger("sip.simple"); + _this.ua.on("registered", function () { + _this.emit("registered", _this.ua); + }); + _this.ua.on("unregistered", function () { + _this.emit("unregistered", _this.ua); + }); + _this.ua.on("registrationFailed", function () { + _this.emit("unregistered", _this.ua); + }); + _this.ua.on("invite", function (session) { + // If there is already an active session reject the incoming session + if (_this.state !== SimpleStatus.STATUS_NULL && _this.state !== SimpleStatus.STATUS_COMPLETED) { + _this.logger.warn("Rejecting incoming call. Simple only supports 1 call at a time"); + session.reject(); + return; + } + _this.session = session; + _this.setupSession(); + _this.emit("ringing", _this.session); + }); + _this.ua.on("message", function (message) { + _this.emit("message", message); + }); + return _this; + } + Simple.prototype.call = function (destination) { + if (!this.ua || !this.checkRegistration()) { + this.logger.warn("A registered UA is required for calling"); + return; + } + if (this.state !== SimpleStatus.STATUS_NULL && this.state !== SimpleStatus.STATUS_COMPLETED) { + this.logger.warn("Cannot make more than a single call with Simple"); + return; + } + // Safari hack, because you cannot call .play() from a non user action + if (this.options.media.remote.audio) { + this.options.media.remote.audio.autoplay = true; + } + if (this.options.media.remote.video) { + this.options.media.remote.video.autoplay = true; + } + if (this.options.media.local && this.options.media.local.video) { + this.options.media.local.video.autoplay = true; + this.options.media.local.video.volume = 0; + } + this.session = this.ua.invite(destination, { + sessionDescriptionHandlerOptions: { + constraints: { + audio: this.audio, + video: this.video + } + } + }); + this.setupSession(); + return this.session; + }; + Simple.prototype.answer = function () { + if (this.state !== SimpleStatus.STATUS_NEW && this.state !== SimpleStatus.STATUS_CONNECTING) { + this.logger.warn("No call to answer"); + return; + } + // Safari hack, because you cannot call .play() from a non user action + if (this.options.media.remote.audio) { + this.options.media.remote.audio.autoplay = true; + } + if (this.options.media.remote.video) { + this.options.media.remote.video.autoplay = true; + } + return this.session.accept({ + sessionDescriptionHandlerOptions: { + constraints: { + audio: this.audio, + video: this.video + } + } + }); + // emit call is active + }; + Simple.prototype.reject = function () { + if (this.state !== SimpleStatus.STATUS_NEW && this.state !== SimpleStatus.STATUS_CONNECTING) { + this.logger.warn("Call is already answered"); + return; + } + return this.session.reject(); + }; + Simple.prototype.hangup = function () { + if (this.state !== SimpleStatus.STATUS_CONNECTED && + this.state !== SimpleStatus.STATUS_CONNECTING && + this.state !== SimpleStatus.STATUS_NEW) { + this.logger.warn("No active call to hang up on"); + return; + } + if (this.state !== SimpleStatus.STATUS_CONNECTED) { + return this.session.cancel(); + } + else if (this.session) { + return this.session.bye(); + } + }; + Simple.prototype.hold = function () { + if (this.state !== SimpleStatus.STATUS_CONNECTED || !this.session || this.session.localHold) { + this.logger.warn("Cannot put call on hold"); + return; + } + this.mute(); + this.logger.log("Placing session on hold"); + return this.session.hold(); + }; + Simple.prototype.unhold = function () { + if (this.state !== SimpleStatus.STATUS_CONNECTED || !this.session || !this.session.localHold) { + this.logger.warn("Cannot unhold a call that is not on hold"); + return; + } + this.unmute(); + this.logger.log("Placing call off hold"); + return this.session.unhold(); + }; + Simple.prototype.mute = function () { + if (this.state !== SimpleStatus.STATUS_CONNECTED) { + this.logger.warn("An acitve call is required to mute audio"); + return; + } + this.logger.log("Muting Audio"); + this.toggleMute(true); + this.emit("mute", this); + }; + Simple.prototype.unmute = function () { + if (this.state !== SimpleStatus.STATUS_CONNECTED) { + this.logger.warn("An active call is required to unmute audio"); + return; + } + this.logger.log("Unmuting Audio"); + this.toggleMute(false); + this.emit("unmute", this); + }; + Simple.prototype.sendDTMF = function (tone) { + if (this.state !== SimpleStatus.STATUS_CONNECTED || !this.session) { + this.logger.warn("An active call is required to send a DTMF tone"); + return; + } + this.logger.log("Sending DTMF tone: " + tone); + this.session.dtmf(tone); + }; + Simple.prototype.message = function (destination, message) { + if (!this.ua || !this.checkRegistration()) { + this.logger.warn("A registered UA is required to send a message"); + return; + } + if (!destination || !message) { + this.logger.warn("A destination and message are required to send a message"); + return; + } + this.ua.message(destination, message); + }; + // Private Helpers + Simple.prototype.checkRegistration = function () { + return (this.anonymous || (this.ua && this.ua.isRegistered())); + }; + Simple.prototype.setupRemoteMedia = function () { + var _this = this; + if (!this.session) { + this.logger.warn("No session to set remote media on"); + return; + } + // If there is a video track, it will attach the video and audio to the same element + var pc = this.session.sessionDescriptionHandler.peerConnection; + var remoteStream; + if (pc.getReceivers) { + remoteStream = new MediaStream(); + pc.getReceivers().forEach(function (receiver) { + var track = receiver.track; + if (track) { + remoteStream.addTrack(track); + } + }); + } + else { + remoteStream = pc.getRemoteStreams()[0]; + } + if (this.video) { + this.options.media.remote.video.srcObject = remoteStream; + this.options.media.remote.video.play().catch(function () { + _this.logger.log("play was rejected"); + }); + } + else if (this.audio) { + this.options.media.remote.audio.srcObject = remoteStream; + this.options.media.remote.audio.play().catch(function () { + _this.logger.log("play was rejected"); + }); + } + }; + Simple.prototype.setupLocalMedia = function () { + if (!this.session) { + this.logger.warn("No session to set local media on"); + return; + } + if (this.video && this.options.media.local && this.options.media.local.video) { + var pc = this.session.sessionDescriptionHandler.peerConnection; + var localStream_1; + if (pc.getSenders) { + localStream_1 = new MediaStream(); + pc.getSenders().forEach(function (sender) { + var track = sender.track; + if (track && track.kind === "video") { + localStream_1.addTrack(track); + } + }); + } + else { + localStream_1 = pc.getLocalStreams()[0]; + } + this.options.media.local.video.srcObject = localStream_1; + this.options.media.local.video.volume = 0; + this.options.media.local.video.play(); + } + }; + Simple.prototype.cleanupMedia = function () { + if (this.video) { + this.options.media.remote.video.srcObject = null; + this.options.media.remote.video.pause(); + if (this.options.media.local && this.options.media.local.video) { + this.options.media.local.video.srcObject = null; + this.options.media.local.video.pause(); + } + } + if (this.audio) { + this.options.media.remote.audio.srcObject = null; + this.options.media.remote.audio.pause(); + } + }; + Simple.prototype.setupSession = function () { + var _this = this; + if (!this.session) { + this.logger.warn("No session to set up"); + return; + } + this.state = SimpleStatus.STATUS_NEW; + this.emit("new", this.session); + this.session.on("progress", function () { return _this.onProgress(); }); + this.session.on("accepted", function () { return _this.onAccepted(); }); + this.session.on("rejected", function () { return _this.onEnded(); }); + this.session.on("failed", function () { return _this.onFailed(); }); + this.session.on("terminated", function () { return _this.onEnded(); }); + }; + Simple.prototype.destroyMedia = function () { + if (this.session && this.session.sessionDescriptionHandler) { + this.session.sessionDescriptionHandler.close(); + } + }; + Simple.prototype.toggleMute = function (mute) { + if (!this.session) { + this.logger.warn("No session to toggle mute"); + return; + } + var pc = this.session.sessionDescriptionHandler.peerConnection; + if (pc.getSenders) { + pc.getSenders().forEach(function (sender) { + if (sender.track) { + sender.track.enabled = !mute; + } + }); + } + else { + pc.getLocalStreams().forEach(function (stream) { + stream.getAudioTracks().forEach(function (track) { + track.enabled = !mute; + }); + stream.getVideoTracks().forEach(function (track) { + track.enabled = !mute; + }); + }); + } + }; + Simple.prototype.onAccepted = function () { + var _this = this; + if (!this.session) { + this.logger.warn("No session for accepting"); + return; + } + this.state = SimpleStatus.STATUS_CONNECTED; + this.emit("connected", this.session); + this.setupLocalMedia(); + this.setupRemoteMedia(); + if (this.session.sessionDescriptionHandler) { + this.session.sessionDescriptionHandler.on("addTrack", function () { + _this.logger.log("A track has been added, triggering new remoteMedia setup"); + _this.setupRemoteMedia(); + }); + this.session.sessionDescriptionHandler.on("addStream", function () { + _this.logger.log("A stream has been added, trigger new remoteMedia setup"); + _this.setupRemoteMedia(); + }); + } + this.session.on("dtmf", function (request, dtmf) { + _this.emit("dtmf", dtmf.tone); + }); + this.session.on("bye", function () { return _this.onEnded(); }); + }; + Simple.prototype.onProgress = function () { + this.state = SimpleStatus.STATUS_CONNECTING; + this.emit("connecting", this.session); + }; + Simple.prototype.onFailed = function () { + this.onEnded(); + }; + Simple.prototype.onEnded = function () { + this.state = SimpleStatus.STATUS_COMPLETED; + this.emit("ended", this.session); + this.cleanupMedia(); + }; + Simple.C = SimpleStatus; + return Simple; +}(events_1.EventEmitter)); +exports.Simple = Simple; + + +/***/ }) +/******/ ]); +}); \ No newline at end of file diff --git a/app/webphone/phone/scripts/SIP.js/sip.js.0.7.8 b/app/webphone/phone/scripts/SIP.js/sip.js.0.7.8 new file mode 100644 index 0000000..e57c90c --- /dev/null +++ b/app/webphone/phone/scripts/SIP.js/sip.js.0.7.8 @@ -0,0 +1,11860 @@ +/* + * SIP version 0.7.8 + * Copyright (c) 2014-2017 Junction Networks, Inc + * Homepage: http://sipjs.com + * License: http://sipjs.com/license/ + * + * + * ~~~SIP.js contains substantial portions of JsSIP under the following license~~~ + * Homepage: http://jssip.net + * Copyright (c) 2012-2013 José Luis Millán - Versatica + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * ~~~ end JsSIP license ~~~ + */ + + +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.SIP = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0 && this._events[type].length > m) { + this._events[type].warned = true; + console.error('(node) warning: possible EventEmitter memory ' + + 'leak detected. %d listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit.', + this._events[type].length); + if (typeof console.trace === 'function') { + // not supported in IE 10 + console.trace(); + } + } + } + + return this; +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.once = function(type, listener) { + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + var fired = false; + + function g() { + this.removeListener(type, g); + + if (!fired) { + fired = true; + listener.apply(this, arguments); + } + } + + g.listener = listener; + this.on(type, g); + + return this; +}; + +// emits a 'removeListener' event iff the listener was removed +EventEmitter.prototype.removeListener = function(type, listener) { + var list, position, length, i; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events || !this._events[type]) + return this; + + list = this._events[type]; + length = list.length; + position = -1; + + if (list === listener || + (isFunction(list.listener) && list.listener === listener)) { + delete this._events[type]; + if (this._events.removeListener) + this.emit('removeListener', type, listener); + + } else if (isObject(list)) { + for (i = length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list.length = 0; + delete this._events[type]; + } else { + list.splice(position, 1); + } + + if (this._events.removeListener) + this.emit('removeListener', type, listener); + } + + return this; +}; + +EventEmitter.prototype.removeAllListeners = function(type) { + var key, listeners; + + if (!this._events) + return this; + + // not listening for removeListener, no need to emit + if (!this._events.removeListener) { + if (arguments.length === 0) + this._events = {}; + else if (this._events[type]) + delete this._events[type]; + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + for (key in this._events) { + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = {}; + return this; + } + + listeners = this._events[type]; + + if (isFunction(listeners)) { + this.removeListener(type, listeners); + } else { + // LIFO order + while (listeners.length) + this.removeListener(type, listeners[listeners.length - 1]); + } + delete this._events[type]; + + return this; +}; + +EventEmitter.prototype.listeners = function(type) { + var ret; + if (!this._events || !this._events[type]) + ret = []; + else if (isFunction(this._events[type])) + ret = [this._events[type]]; + else + ret = this._events[type].slice(); + return ret; +}; + +EventEmitter.listenerCount = function(emitter, type) { + var ret; + if (!emitter._events || !emitter._events[type]) + ret = 0; + else if (isFunction(emitter._events[type])) + ret = 1; + else + ret = emitter._events[type].length; + return ret; +}; + +function isFunction(arg) { + return typeof arg === 'function'; +} + +function isNumber(arg) { + return typeof arg === 'number'; +} + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} + +function isUndefined(arg) { + return arg === void 0; +} + +},{}],2:[function(require,module,exports){ +module.exports={ + "name": "sip.js", + "title": "SIP.js", + "description": "A simple, intuitive, and powerful JavaScript signaling library", + "version": "0.7.8", + "main": "src/index.js", + "browser": { + "./src/environment.js": "./src/environment_browser.js" + }, + "homepage": "http://sipjs.com", + "author": "OnSIP (http://sipjs.com/authors/)", + "contributors": [ + { + "url": "https://github.com/onsip/SIP.js/blob/master/THANKS.md" + } + ], + "repository": { + "type": "git", + "url": "https://github.com/onsip/SIP.js.git" + }, + "keywords": [ + "sip", + "websocket", + "webrtc", + "library", + "javascript" + ], + "devDependencies": { + "beefy": "^2.1.5", + "browserify": "^4.1.8", + "grunt": "~0.4.0", + "grunt-browserify": "^4.0.1", + "grunt-cli": "~0.1.6", + "grunt-contrib-copy": "^0.5.0", + "grunt-contrib-jasmine": "^1.0.3", + "grunt-contrib-jshint": ">0.5.0", + "grunt-contrib-uglify": "~0.2.0", + "grunt-peg": "~1.3.1", + "grunt-trimtrailingspaces": "^0.4.0", + "pegjs": "^0.8.0" + }, + "engines": { + "node": ">=0.12" + }, + "license": "MIT", + "scripts": { + "repl": "beefy test/repl.js --open", + "build": "grunt build", + "prepublish": "cd src/Grammar && mkdir -p dist && pegjs --extra-options-file peg.json src/Grammar.pegjs dist/Grammar.js", + "test": "grunt travis --verbose" + }, + "dependencies": { + "ws": "^1.0.1" + }, + "optionalDependencies": { + "promiscuous": "^0.6.0" + } +} + +},{}],3:[function(require,module,exports){ +"use strict"; +module.exports = function (SIP) { +var ClientContext; + +ClientContext = function (ua, method, target, options) { + var originalTarget = target; + + // Validate arguments + if (target === undefined) { + throw new TypeError('Not enough arguments'); + } + + this.ua = ua; + this.logger = ua.getLogger('sip.clientcontext'); + this.method = method; + target = ua.normalizeTarget(target); + if (!target) { + throw new TypeError('Invalid target: ' + originalTarget); + } + + /* Options + * - extraHeaders + * - params + * - contentType + * - body + */ + options = Object.create(options || Object.prototype); + options.extraHeaders = (options.extraHeaders || []).slice(); + + // Build the request + this.request = new SIP.OutgoingRequest(this.method, + target, + this.ua, + options.params, + options.extraHeaders); + if (options.body) { + this.body = {}; + this.body.body = options.body; + if (options.contentType) { + this.body.contentType = options.contentType; + } + this.request.body = this.body; + } + + /* Set other properties from the request */ + this.localIdentity = this.request.from; + this.remoteIdentity = this.request.to; + + this.data = {}; +}; +ClientContext.prototype = Object.create(SIP.EventEmitter.prototype); + +ClientContext.prototype.send = function () { + (new SIP.RequestSender(this, this.ua)).send(); + return this; +}; + +ClientContext.prototype.cancel = function (options) { + options = options || {}; + + options.extraHeaders = (options.extraHeaders || []).slice(); + + var cancel_reason = SIP.Utils.getCancelReason(options.status_code, options.reason_phrase); + this.request.cancel(cancel_reason, options.extraHeaders); + + this.emit('cancel'); +}; + +ClientContext.prototype.receiveResponse = function (response) { + var cause = SIP.Utils.getReasonPhrase(response.status_code); + + switch(true) { + case /^1[0-9]{2}$/.test(response.status_code): + this.emit('progress', response, cause); + break; + + case /^2[0-9]{2}$/.test(response.status_code): + if(this.ua.applicants[this]) { + delete this.ua.applicants[this]; + } + this.emit('accepted', response, cause); + break; + + default: + if(this.ua.applicants[this]) { + delete this.ua.applicants[this]; + } + this.emit('rejected', response, cause); + this.emit('failed', response, cause); + break; + } + +}; + +ClientContext.prototype.onRequestTimeout = function () { + this.emit('failed', null, SIP.C.causes.REQUEST_TIMEOUT); +}; + +ClientContext.prototype.onTransportError = function () { + this.emit('failed', null, SIP.C.causes.CONNECTION_ERROR); +}; + +SIP.ClientContext = ClientContext; +}; + +},{}],4:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP Constants + */ + +/** + * SIP Constants. + * @augments SIP + */ + +module.exports = function (name, version) { +return { + USER_AGENT: name +'/'+ version, + + // SIP scheme + SIP: 'sip', + SIPS: 'sips', + + // End and Failure causes + causes: { + // Generic error causes + CONNECTION_ERROR: 'Connection Error', + REQUEST_TIMEOUT: 'Request Timeout', + SIP_FAILURE_CODE: 'SIP Failure Code', + INTERNAL_ERROR: 'Internal Error', + + // SIP error causes + BUSY: 'Busy', + REJECTED: 'Rejected', + REDIRECTED: 'Redirected', + UNAVAILABLE: 'Unavailable', + NOT_FOUND: 'Not Found', + ADDRESS_INCOMPLETE: 'Address Incomplete', + INCOMPATIBLE_SDP: 'Incompatible SDP', + AUTHENTICATION_ERROR: 'Authentication Error', + DIALOG_ERROR: 'Dialog Error', + + // Session error causes + WEBRTC_NOT_SUPPORTED: 'WebRTC Not Supported', + WEBRTC_ERROR: 'WebRTC Error', + CANCELED: 'Canceled', + NO_ANSWER: 'No Answer', + EXPIRES: 'Expires', + NO_ACK: 'No ACK', + NO_PRACK: 'No PRACK', + USER_DENIED_MEDIA_ACCESS: 'User Denied Media Access', + BAD_MEDIA_DESCRIPTION: 'Bad Media Description', + RTP_TIMEOUT: 'RTP Timeout' + }, + + supported: { + UNSUPPORTED: 'none', + SUPPORTED: 'supported', + REQUIRED: 'required' + }, + + SIP_ERROR_CAUSES: { + REDIRECTED: [300,301,302,305,380], + BUSY: [486,600], + REJECTED: [403,603], + NOT_FOUND: [404,604], + UNAVAILABLE: [480,410,408,430], + ADDRESS_INCOMPLETE: [484], + INCOMPATIBLE_SDP: [488,606], + AUTHENTICATION_ERROR:[401,407] + }, + + // SIP Methods + ACK: 'ACK', + BYE: 'BYE', + CANCEL: 'CANCEL', + INFO: 'INFO', + INVITE: 'INVITE', + MESSAGE: 'MESSAGE', + NOTIFY: 'NOTIFY', + OPTIONS: 'OPTIONS', + REGISTER: 'REGISTER', + UPDATE: 'UPDATE', + SUBSCRIBE: 'SUBSCRIBE', + REFER: 'REFER', + PRACK: 'PRACK', + + /* SIP Response Reasons + * DOC: http://www.iana.org/assignments/sip-parameters + * Copied from https://github.com/versatica/OverSIP/blob/master/lib/oversip/sip/constants.rb#L7 + */ + REASON_PHRASE: { + 100: 'Trying', + 180: 'Ringing', + 181: 'Call Is Being Forwarded', + 182: 'Queued', + 183: 'Session Progress', + 199: 'Early Dialog Terminated', // draft-ietf-sipcore-199 + 200: 'OK', + 202: 'Accepted', // RFC 3265 + 204: 'No Notification', //RFC 5839 + 300: 'Multiple Choices', + 301: 'Moved Permanently', + 302: 'Moved Temporarily', + 305: 'Use Proxy', + 380: 'Alternative Service', + 400: 'Bad Request', + 401: 'Unauthorized', + 402: 'Payment Required', + 403: 'Forbidden', + 404: 'Not Found', + 405: 'Method Not Allowed', + 406: 'Not Acceptable', + 407: 'Proxy Authentication Required', + 408: 'Request Timeout', + 410: 'Gone', + 412: 'Conditional Request Failed', // RFC 3903 + 413: 'Request Entity Too Large', + 414: 'Request-URI Too Long', + 415: 'Unsupported Media Type', + 416: 'Unsupported URI Scheme', + 417: 'Unknown Resource-Priority', // RFC 4412 + 420: 'Bad Extension', + 421: 'Extension Required', + 422: 'Session Interval Too Small', // RFC 4028 + 423: 'Interval Too Brief', + 428: 'Use Identity Header', // RFC 4474 + 429: 'Provide Referrer Identity', // RFC 3892 + 430: 'Flow Failed', // RFC 5626 + 433: 'Anonymity Disallowed', // RFC 5079 + 436: 'Bad Identity-Info', // RFC 4474 + 437: 'Unsupported Certificate', // RFC 4744 + 438: 'Invalid Identity Header', // RFC 4744 + 439: 'First Hop Lacks Outbound Support', // RFC 5626 + 440: 'Max-Breadth Exceeded', // RFC 5393 + 469: 'Bad Info Package', // draft-ietf-sipcore-info-events + 470: 'Consent Needed', // RFC 5360 + 478: 'Unresolvable Destination', // Custom code copied from Kamailio. + 480: 'Temporarily Unavailable', + 481: 'Call/Transaction Does Not Exist', + 482: 'Loop Detected', + 483: 'Too Many Hops', + 484: 'Address Incomplete', + 485: 'Ambiguous', + 486: 'Busy Here', + 487: 'Request Terminated', + 488: 'Not Acceptable Here', + 489: 'Bad Event', // RFC 3265 + 491: 'Request Pending', + 493: 'Undecipherable', + 494: 'Security Agreement Required', // RFC 3329 + 500: 'Internal Server Error', + 501: 'Not Implemented', + 502: 'Bad Gateway', + 503: 'Service Unavailable', + 504: 'Server Time-out', + 505: 'Version Not Supported', + 513: 'Message Too Large', + 580: 'Precondition Failure', // RFC 3312 + 600: 'Busy Everywhere', + 603: 'Decline', + 604: 'Does Not Exist Anywhere', + 606: 'Not Acceptable' + }, + + /* SIP Option Tags + * DOC: http://www.iana.org/assignments/sip-parameters/sip-parameters.xhtml#sip-parameters-4 + */ + OPTION_TAGS: { + '100rel': true, // RFC 3262 + 199: true, // RFC 6228 + answermode: true, // RFC 5373 + 'early-session': true, // RFC 3959 + eventlist: true, // RFC 4662 + explicitsub: true, // RFC-ietf-sipcore-refer-explicit-subscription-03 + 'from-change': true, // RFC 4916 + 'geolocation-http': true, // RFC 6442 + 'geolocation-sip': true, // RFC 6442 + gin: true, // RFC 6140 + gruu: true, // RFC 5627 + histinfo: true, // RFC 7044 + ice: true, // RFC 5768 + join: true, // RFC 3911 + 'multiple-refer': true, // RFC 5368 + norefersub: true, // RFC 4488 + nosub: true, // RFC-ietf-sipcore-refer-explicit-subscription-03 + outbound: true, // RFC 5626 + path: true, // RFC 3327 + policy: true, // RFC 6794 + precondition: true, // RFC 3312 + pref: true, // RFC 3840 + privacy: true, // RFC 3323 + 'recipient-list-invite': true, // RFC 5366 + 'recipient-list-message': true, // RFC 5365 + 'recipient-list-subscribe': true, // RFC 5367 + replaces: true, // RFC 3891 + 'resource-priority': true, // RFC 4412 + 'sdp-anat': true, // RFC 4092 + 'sec-agree': true, // RFC 3329 + tdialog: true, // RFC 4538 + timer: true, // RFC 4028 + uui: true // RFC 7433 + } +}; +}; + +},{}],5:[function(require,module,exports){ +"use strict"; + +/** + * @fileoverview In-Dialog Request Sender + */ + +/** + * @augments SIP.Dialog + * @class Class creating an In-dialog request sender. + * @param {SIP.Dialog} dialog + * @param {Object} applicant + * @param {SIP.OutgoingRequest} request + */ +/** + * @fileoverview in-Dialog Request Sender + */ + +module.exports = function (SIP) { +var RequestSender; + +RequestSender = function(dialog, applicant, request) { + + this.dialog = dialog; + this.applicant = applicant; + this.request = request; + + // RFC3261 14.1 Modifying an Existing Session. UAC Behavior. + this.reattempt = false; + this.reattemptTimer = null; +}; + +RequestSender.prototype = { + send: function() { + var self = this, + request_sender = new SIP.RequestSender(this, this.dialog.owner.ua); + + request_sender.send(); + + // RFC3261 14.2 Modifying an Existing Session -UAC BEHAVIOR- + if (this.request.method === SIP.C.INVITE && request_sender.clientTransaction.state !== SIP.Transactions.C.STATUS_TERMINATED) { + this.dialog.uac_pending_reply = true; + request_sender.clientTransaction.on('stateChanged', function stateChanged(){ + if (this.state === SIP.Transactions.C.STATUS_ACCEPTED || + this.state === SIP.Transactions.C.STATUS_COMPLETED || + this.state === SIP.Transactions.C.STATUS_TERMINATED) { + + this.removeListener('stateChanged', stateChanged); + self.dialog.uac_pending_reply = false; + + if (self.dialog.uas_pending_reply === false) { + self.dialog.owner.onReadyToReinvite(); + } + } + }); + } + }, + + onRequestTimeout: function() { + this.applicant.onRequestTimeout(); + }, + + onTransportError: function() { + this.applicant.onTransportError(); + }, + + receiveResponse: function(response) { + var self = this; + + // RFC3261 12.2.1.2 408 or 481 is received for a request within a dialog. + if (response.status_code === 408 || response.status_code === 481) { + this.applicant.onDialogError(response); + } else if (response.method === SIP.C.INVITE && response.status_code === 491) { + if (this.reattempt) { + this.applicant.receiveResponse(response); + } else { + this.request.cseq.value = this.dialog.local_seqnum += 1; + this.reattemptTimer = SIP.Timers.setTimeout( + function() { + if (self.applicant.owner.status !== SIP.Session.C.STATUS_TERMINATED) { + self.reattempt = true; + self.request_sender.send(); + } + }, + this.getReattemptTimeout() + ); + } + } else { + this.applicant.receiveResponse(response); + } + } +}; + +return RequestSender; +}; + +},{}],6:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP Dialog + */ + +/** + * @augments SIP + * @class Class creating a SIP dialog. + * @param {SIP.RTCSession} owner + * @param {SIP.IncomingRequest|SIP.IncomingResponse} message + * @param {Enum} type UAC / UAS + * @param {Enum} state SIP.Dialog.C.STATUS_EARLY / SIP.Dialog.C.STATUS_CONFIRMED + */ +module.exports = function (SIP) { + +var RequestSender = require('./Dialog/RequestSender')(SIP); + +var Dialog, + C = { + // Dialog states + STATUS_EARLY: 1, + STATUS_CONFIRMED: 2 + }; + +// RFC 3261 12.1 +Dialog = function(owner, message, type, state) { + var contact; + + this.uac_pending_reply = false; + this.uas_pending_reply = false; + + if(!message.hasHeader('contact')) { + return { + error: 'unable to create a Dialog without Contact header field' + }; + } + + if(message instanceof SIP.IncomingResponse) { + state = (message.status_code < 200) ? C.STATUS_EARLY : C.STATUS_CONFIRMED; + } else { + // Create confirmed dialog if state is not defined + state = state || C.STATUS_CONFIRMED; + } + + contact = message.parseHeader('contact'); + + // RFC 3261 12.1.1 + if(type === 'UAS') { + this.id = { + call_id: message.call_id, + local_tag: message.to_tag, + remote_tag: message.from_tag, + toString: function() { + return this.call_id + this.local_tag + this.remote_tag; + } + }; + this.state = state; + this.remote_seqnum = message.cseq; + this.local_uri = message.parseHeader('to').uri; + this.remote_uri = message.parseHeader('from').uri; + this.remote_target = contact.uri; + this.route_set = message.getHeaders('record-route'); + this.invite_seqnum = message.cseq; + this.local_seqnum = message.cseq; + } + // RFC 3261 12.1.2 + else if(type === 'UAC') { + this.id = { + call_id: message.call_id, + local_tag: message.from_tag, + remote_tag: message.to_tag, + toString: function() { + return this.call_id + this.local_tag + this.remote_tag; + } + }; + this.state = state; + this.invite_seqnum = message.cseq; + this.local_seqnum = message.cseq; + this.local_uri = message.parseHeader('from').uri; + this.pracked = []; + this.remote_uri = message.parseHeader('to').uri; + this.remote_target = contact.uri; + this.route_set = message.getHeaders('record-route').reverse(); + + //RENDERBODY + if (this.state === C.STATUS_EARLY && (!owner.hasOffer)) { + this.mediaHandler = owner.mediaHandlerFactory(owner); + } + } + + this.logger = owner.ua.getLogger('sip.dialog', this.id.toString()); + this.owner = owner; + owner.ua.dialogs[this.id.toString()] = this; + this.logger.log('new ' + type + ' dialog created with status ' + (this.state === C.STATUS_EARLY ? 'EARLY': 'CONFIRMED')); + owner.emit('dialog', this); +}; + +Dialog.prototype = { + /** + * @param {SIP.IncomingMessage} message + * @param {Enum} UAC/UAS + */ + update: function(message, type) { + this.state = C.STATUS_CONFIRMED; + + this.logger.log('dialog '+ this.id.toString() +' changed to CONFIRMED state'); + + if(type === 'UAC') { + // RFC 3261 13.2.2.4 + this.route_set = message.getHeaders('record-route').reverse(); + } + }, + + terminate: function() { + this.logger.log('dialog ' + this.id.toString() + ' deleted'); + if (this.mediaHandler && this.state !== C.STATUS_CONFIRMED) { + this.mediaHandler.peerConnection.close(); + } + delete this.owner.ua.dialogs[this.id.toString()]; + }, + + /** + * @param {String} method request method + * @param {Object} extraHeaders extra headers + * @returns {SIP.OutgoingRequest} + */ + + // RFC 3261 12.2.1.1 + createRequest: function(method, extraHeaders, body) { + var cseq, request; + extraHeaders = (extraHeaders || []).slice(); + + if(!this.local_seqnum) { this.local_seqnum = Math.floor(Math.random() * 10000); } + + cseq = (method === SIP.C.CANCEL || method === SIP.C.ACK) ? this.invite_seqnum : this.local_seqnum += 1; + + request = new SIP.OutgoingRequest( + method, + this.remote_target, + this.owner.ua, { + 'cseq': cseq, + 'call_id': this.id.call_id, + 'from_uri': this.local_uri, + 'from_tag': this.id.local_tag, + 'to_uri': this.remote_uri, + 'to_tag': this.id.remote_tag, + 'route_set': this.route_set + }, extraHeaders, body); + + request.dialog = this; + + return request; + }, + + /** + * @param {SIP.IncomingRequest} request + * @returns {Boolean} + */ + + // RFC 3261 12.2.2 + checkInDialogRequest: function(request) { + var self = this; + + if(!this.remote_seqnum) { + this.remote_seqnum = request.cseq; + } else if(request.cseq < this.remote_seqnum) { + //Do not try to reply to an ACK request. + if (request.method !== SIP.C.ACK) { + request.reply(500); + } + if (request.cseq === this.invite_seqnum) { + return true; + } + return false; + } else if(request.cseq > this.remote_seqnum) { + this.remote_seqnum = request.cseq; + } + + switch(request.method) { + // RFC3261 14.2 Modifying an Existing Session -UAS BEHAVIOR- + case SIP.C.INVITE: + if (this.uac_pending_reply === true) { + request.reply(491); + } else if (this.uas_pending_reply === true) { + var retryAfter = (Math.random() * 10 | 0) + 1; + request.reply(500, null, ['Retry-After:' + retryAfter]); + return false; + } else { + this.uas_pending_reply = true; + request.server_transaction.on('stateChanged', function stateChanged(){ + if (this.state === SIP.Transactions.C.STATUS_ACCEPTED || + this.state === SIP.Transactions.C.STATUS_COMPLETED || + this.state === SIP.Transactions.C.STATUS_TERMINATED) { + + this.removeListener('stateChanged', stateChanged); + self.uas_pending_reply = false; + + if (self.uac_pending_reply === false) { + self.owner.onReadyToReinvite(); + } + } + }); + } + + // RFC3261 12.2.2 Replace the dialog`s remote target URI if the request is accepted + if(request.hasHeader('contact')) { + request.server_transaction.on('stateChanged', function(){ + if (this.state === SIP.Transactions.C.STATUS_ACCEPTED) { + self.remote_target = request.parseHeader('contact').uri; + } + }); + } + break; + case SIP.C.NOTIFY: + // RFC6665 3.2 Replace the dialog`s remote target URI if the request is accepted + if(request.hasHeader('contact')) { + request.server_transaction.on('stateChanged', function(){ + if (this.state === SIP.Transactions.C.STATUS_COMPLETED) { + self.remote_target = request.parseHeader('contact').uri; + } + }); + } + break; + } + + return true; + }, + + sendRequest: function(applicant, method, options) { + options = options || {}; + + var extraHeaders = (options.extraHeaders || []).slice(); + + var body = null; + if (options.body) { + if (options.body.body) { + body = options.body; + } else { + body = {}; + body.body = options.body; + if (options.contentType) { + body.contentType = options.contentType; + } + } + } + + var request = this.createRequest(method, extraHeaders, body), + request_sender = new RequestSender(this, applicant, request); + + request_sender.send(); + + return request; + }, + + /** + * @param {SIP.IncomingRequest} request + */ + receiveRequest: function(request) { + //Check in-dialog request + if(!this.checkInDialogRequest(request)) { + return; + } + + this.owner.receiveRequest(request); + } +}; + +Dialog.C = C; +SIP.Dialog = Dialog; +}; + +},{"./Dialog/RequestSender":5}],7:[function(require,module,exports){ +"use strict"; + +/** + * @fileoverview SIP Digest Authentication + */ + +/** + * SIP Digest Authentication. + * @augments SIP. + * @function Digest Authentication + * @param {SIP.UA} ua + */ +module.exports = function (Utils) { +var DigestAuthentication; + +DigestAuthentication = function(ua) { + this.logger = ua.getLogger('sipjs.digestauthentication'); + this.username = ua.configuration.authorizationUser; + this.password = ua.configuration.password; + this.cnonce = null; + this.nc = 0; + this.ncHex = '00000000'; + this.response = null; +}; + + +/** +* Performs Digest authentication given a SIP request and the challenge +* received in a response to that request. +* Returns true if credentials were successfully generated, false otherwise. +* +* @param {SIP.OutgoingRequest} request +* @param {Object} challenge +*/ +DigestAuthentication.prototype.authenticate = function(request, challenge) { + // Inspect and validate the challenge. + + this.algorithm = challenge.algorithm; + this.realm = challenge.realm; + this.nonce = challenge.nonce; + this.opaque = challenge.opaque; + this.stale = challenge.stale; + + if (this.algorithm) { + if (this.algorithm !== 'MD5') { + this.logger.warn('challenge with Digest algorithm different than "MD5", authentication aborted'); + return false; + } + } else { + this.algorithm = 'MD5'; + } + + if (! this.realm) { + this.logger.warn('challenge without Digest realm, authentication aborted'); + return false; + } + + if (! this.nonce) { + this.logger.warn('challenge without Digest nonce, authentication aborted'); + return false; + } + + // 'qop' can contain a list of values (Array). Let's choose just one. + if (challenge.qop) { + if (challenge.qop.indexOf('auth') > -1) { + this.qop = 'auth'; + } else if (challenge.qop.indexOf('auth-int') > -1) { + this.qop = 'auth-int'; + } else { + // Otherwise 'qop' is present but does not contain 'auth' or 'auth-int', so abort here. + this.logger.warn('challenge without Digest qop different than "auth" or "auth-int", authentication aborted'); + return false; + } + } else { + this.qop = null; + } + + // Fill other attributes. + + this.method = request.method; + this.uri = request.ruri; + this.cnonce = Utils.createRandomToken(12); + this.nc += 1; + this.updateNcHex(); + + // nc-value = 8LHEX. Max value = 'FFFFFFFF'. + if (this.nc === 4294967296) { + this.nc = 1; + this.ncHex = '00000001'; + } + + // Calculate the Digest "response" value. + this.calculateResponse(); + + return true; +}; + + +/** +* Generate Digest 'response' value. +* @private +*/ +DigestAuthentication.prototype.calculateResponse = function() { + var ha1, ha2; + + // HA1 = MD5(A1) = MD5(username:realm:password) + ha1 = Utils.calculateMD5(this.username + ":" + this.realm + ":" + this.password); + + if (this.qop === 'auth') { + // HA2 = MD5(A2) = MD5(method:digestURI) + ha2 = Utils.calculateMD5(this.method + ":" + this.uri); + // response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2) + this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth:" + ha2); + + } else if (this.qop === 'auth-int') { + // HA2 = MD5(A2) = MD5(method:digestURI:MD5(entityBody)) + ha2 = Utils.calculateMD5(this.method + ":" + this.uri + ":" + Utils.calculateMD5(this.body ? this.body : "")); + // response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2) + this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth-int:" + ha2); + + } else if (this.qop === null) { + // HA2 = MD5(A2) = MD5(method:digestURI) + ha2 = Utils.calculateMD5(this.method + ":" + this.uri); + // response = MD5(HA1:nonce:HA2) + this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + ha2); + } +}; + + +/** +* Return the Proxy-Authorization or WWW-Authorization header value. +*/ +DigestAuthentication.prototype.toString = function() { + var auth_params = []; + + if (! this.response) { + throw new Error('response field does not exist, cannot generate Authorization header'); + } + + auth_params.push('algorithm=' + this.algorithm); + auth_params.push('username="' + this.username + '"'); + auth_params.push('realm="' + this.realm + '"'); + auth_params.push('nonce="' + this.nonce + '"'); + auth_params.push('uri="' + this.uri + '"'); + auth_params.push('response="' + this.response + '"'); + if (this.opaque) { + auth_params.push('opaque="' + this.opaque + '"'); + } + if (this.qop) { + auth_params.push('qop=' + this.qop); + auth_params.push('cnonce="' + this.cnonce + '"'); + auth_params.push('nc=' + this.ncHex); + } + + return 'Digest ' + auth_params.join(', '); +}; + + +/** +* Generate the 'nc' value as required by Digest in this.ncHex by reading this.nc. +* @private +*/ +DigestAuthentication.prototype.updateNcHex = function() { + var hex = Number(this.nc).toString(16); + this.ncHex = '00000000'.substr(0, 8-hex.length) + hex; +}; + +return DigestAuthentication; +}; + +},{}],8:[function(require,module,exports){ +"use strict"; +var NodeEventEmitter = require('events').EventEmitter; + +module.exports = function (console) { + +// Don't use `new SIP.EventEmitter()` for inheriting. +// Use Object.create(SIP.EventEmitter.prototoype); +function EventEmitter () { + NodeEventEmitter.call(this); +} + +EventEmitter.prototype = Object.create(NodeEventEmitter.prototype, { + constructor: { + value: EventEmitter, + enumerable: false, + writable: true, + configurable: true + } +}); + +EventEmitter.prototype.off = function off (eventName, listener) { + var warning = ''; + warning += 'SIP.EventEmitter#off is deprecated and may be removed in future SIP.js versions.\n'; + warning += 'Please use removeListener or removeAllListeners instead.\n'; + warning += 'See here for more details:\n'; + warning += 'http://nodejs.org/api/events.html#events_emitter_removelistener_event_listener'; + console.warn(warning); + + if (arguments.length < 2) { + return this.removeAllListeners.apply(this, arguments); + } else { + return this.removeListener(eventName, listener); + } +}; + +return EventEmitter; + +}; + +},{"events":1}],9:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview Exceptions + */ + +/** + * SIP Exceptions. + * @augments SIP + */ +module.exports = { + ConfigurationError: (function(){ + var exception = function(parameter, value) { + this.code = 1; + this.name = 'CONFIGURATION_ERROR'; + this.parameter = parameter; + this.value = value; + this.message = (!this.value)? 'Missing parameter: '+ this.parameter : 'Invalid value '+ JSON.stringify(this.value) +' for parameter "'+ this.parameter +'"'; + }; + exception.prototype = new Error(); + return exception; + }()), + + InvalidStateError: (function(){ + var exception = function(status) { + this.code = 2; + this.name = 'INVALID_STATE_ERROR'; + this.status = status; + this.message = 'Invalid status: ' + status; + }; + exception.prototype = new Error(); + return exception; + }()), + + NotSupportedError: (function(){ + var exception = function(message) { + this.code = 3; + this.name = 'NOT_SUPPORTED_ERROR'; + this.message = message; + }; + exception.prototype = new Error(); + return exception; + }()), + + GetDescriptionError: (function(){ + var exception = function(message) { + this.code = 4; + this.name = 'GET_DESCRIPTION_ERROR'; + this.message = message; + }; + exception.prototype = new Error(); + return exception; + }()) +}; + +},{}],10:[function(require,module,exports){ +"use strict"; +var Grammar = require('./Grammar/dist/Grammar'); + +module.exports = function (SIP) { + +return { + parse: function parseCustom (input, startRule) { + var options = {startRule: startRule, SIP: SIP}; + try { + Grammar.parse(input, options); + } catch (e) { + options.data = -1; + } + return options.data; + } +}; + +}; + +},{"./Grammar/dist/Grammar":11}],11:[function(require,module,exports){ +module.exports = (function() { + /* + * Generated by PEG.js 0.8.0. + * + * http://pegjs.majda.cz/ + */ + + function peg$subclass(child, parent) { + function ctor() { this.constructor = child; } + ctor.prototype = parent.prototype; + child.prototype = new ctor(); + } + + function SyntaxError(message, expected, found, offset, line, column) { + this.message = message; + this.expected = expected; + this.found = found; + this.offset = offset; + this.line = line; + this.column = column; + + this.name = "SyntaxError"; + } + + peg$subclass(SyntaxError, Error); + + function parse(input) { + var options = arguments.length > 1 ? arguments[1] : {}, + + peg$FAILED = {}, + + peg$startRuleIndices = { Contact: 118, Name_Addr_Header: 155, Record_Route: 175, Request_Response: 81, SIP_URI: 45, Subscription_State: 185, Supported: 190, Require: 181, Via: 193, absoluteURI: 84, Call_ID: 117, Content_Disposition: 129, Content_Length: 134, Content_Type: 135, CSeq: 145, displayName: 121, Event: 148, From: 150, host: 52, Max_Forwards: 153, Min_SE: 212, Proxy_Authenticate: 156, quoted_string: 40, Refer_To: 177, Replaces: 178, Session_Expires: 209, stun_URI: 216, To: 191, turn_URI: 223, uuid: 226, WWW_Authenticate: 208, challenge: 157 }, + peg$startRuleIndex = 118, + + peg$consts = [ + "\r\n", + { type: "literal", value: "\r\n", description: "\"\\r\\n\"" }, + /^[0-9]/, + { type: "class", value: "[0-9]", description: "[0-9]" }, + /^[a-zA-Z]/, + { type: "class", value: "[a-zA-Z]", description: "[a-zA-Z]" }, + /^[0-9a-fA-F]/, + { type: "class", value: "[0-9a-fA-F]", description: "[0-9a-fA-F]" }, + /^[\0-\xFF]/, + { type: "class", value: "[\\0-\\xFF]", description: "[\\0-\\xFF]" }, + /^["]/, + { type: "class", value: "[\"]", description: "[\"]" }, + " ", + { type: "literal", value: " ", description: "\" \"" }, + "\t", + { type: "literal", value: "\t", description: "\"\\t\"" }, + /^[a-zA-Z0-9]/, + { type: "class", value: "[a-zA-Z0-9]", description: "[a-zA-Z0-9]" }, + ";", + { type: "literal", value: ";", description: "\";\"" }, + "/", + { type: "literal", value: "/", description: "\"/\"" }, + "?", + { type: "literal", value: "?", description: "\"?\"" }, + ":", + { type: "literal", value: ":", description: "\":\"" }, + "@", + { type: "literal", value: "@", description: "\"@\"" }, + "&", + { type: "literal", value: "&", description: "\"&\"" }, + "=", + { type: "literal", value: "=", description: "\"=\"" }, + "+", + { type: "literal", value: "+", description: "\"+\"" }, + "$", + { type: "literal", value: "$", description: "\"$\"" }, + ",", + { type: "literal", value: ",", description: "\",\"" }, + "-", + { type: "literal", value: "-", description: "\"-\"" }, + "_", + { type: "literal", value: "_", description: "\"_\"" }, + ".", + { type: "literal", value: ".", description: "\".\"" }, + "!", + { type: "literal", value: "!", description: "\"!\"" }, + "~", + { type: "literal", value: "~", description: "\"~\"" }, + "*", + { type: "literal", value: "*", description: "\"*\"" }, + "'", + { type: "literal", value: "'", description: "\"'\"" }, + "(", + { type: "literal", value: "(", description: "\"(\"" }, + ")", + { type: "literal", value: ")", description: "\")\"" }, + peg$FAILED, + "%", + { type: "literal", value: "%", description: "\"%\"" }, + null, + [], + function() {return " "; }, + function() {return ':'; }, + /^[!-~]/, + { type: "class", value: "[!-~]", description: "[!-~]" }, + /^[\x80-\uFFFF]/, + { type: "class", value: "[\\x80-\\uFFFF]", description: "[\\x80-\\uFFFF]" }, + /^[\x80-\xBF]/, + { type: "class", value: "[\\x80-\\xBF]", description: "[\\x80-\\xBF]" }, + /^[a-f]/, + { type: "class", value: "[a-f]", description: "[a-f]" }, + "`", + { type: "literal", value: "`", description: "\"`\"" }, + "<", + { type: "literal", value: "<", description: "\"<\"" }, + ">", + { type: "literal", value: ">", description: "\">\"" }, + "\\", + { type: "literal", value: "\\", description: "\"\\\\\"" }, + "[", + { type: "literal", value: "[", description: "\"[\"" }, + "]", + { type: "literal", value: "]", description: "\"]\"" }, + "{", + { type: "literal", value: "{", description: "\"{\"" }, + "}", + { type: "literal", value: "}", description: "\"}\"" }, + function() {return "*"; }, + function() {return "/"; }, + function() {return "="; }, + function() {return "("; }, + function() {return ")"; }, + function() {return ">"; }, + function() {return "<"; }, + function() {return ","; }, + function() {return ";"; }, + function() {return ":"; }, + function() {return "\""; }, + /^[!-']/, + { type: "class", value: "[!-']", description: "[!-']" }, + /^[*-[]/, + { type: "class", value: "[*-[]", description: "[*-[]" }, + /^[\]-~]/, + { type: "class", value: "[\\]-~]", description: "[\\]-~]" }, + function(contents) { + return contents; }, + /^[#-[]/, + { type: "class", value: "[#-[]", description: "[#-[]" }, + /^[\0-\t]/, + { type: "class", value: "[\\0-\\t]", description: "[\\0-\\t]" }, + /^[\x0B-\f]/, + { type: "class", value: "[\\x0B-\\f]", description: "[\\x0B-\\f]" }, + /^[\x0E-]/, + { type: "class", value: "[\\x0E-]", description: "[\\x0E-]" }, + function() { + options.data.uri = new options.SIP.URI(options.data.scheme, options.data.user, options.data.host, options.data.port); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + }, + function() { + options.data.uri = new options.SIP.URI(options.data.scheme, options.data.user, options.data.host, options.data.port, options.data.uri_params, options.data.uri_headers); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + delete options.data.uri_params; + + if (options.startRule === 'SIP_URI') { options.data = options.data.uri;} + }, + "sips", + { type: "literal", value: "sips", description: "\"sips\"" }, + "sip", + { type: "literal", value: "sip", description: "\"sip\"" }, + function(uri_scheme) { + options.data.scheme = uri_scheme; }, + function() { + options.data.user = decodeURIComponent(text().slice(0, -1));}, + function() { + options.data.password = text(); }, + function() { + options.data.host = text(); + return options.data.host; }, + function() { + options.data.host_type = 'domain'; + return text(); }, + /^[a-zA-Z0-9_\-]/, + { type: "class", value: "[a-zA-Z0-9_\\-]", description: "[a-zA-Z0-9_\\-]" }, + /^[a-zA-Z0-9\-]/, + { type: "class", value: "[a-zA-Z0-9\\-]", description: "[a-zA-Z0-9\\-]" }, + function() { + options.data.host_type = 'IPv6'; + return text(); }, + "::", + { type: "literal", value: "::", description: "\"::\"" }, + function() { + options.data.host_type = 'IPv6'; + return text(); }, + function() { + options.data.host_type = 'IPv4'; + return text(); }, + "25", + { type: "literal", value: "25", description: "\"25\"" }, + /^[0-5]/, + { type: "class", value: "[0-5]", description: "[0-5]" }, + "2", + { type: "literal", value: "2", description: "\"2\"" }, + /^[0-4]/, + { type: "class", value: "[0-4]", description: "[0-4]" }, + "1", + { type: "literal", value: "1", description: "\"1\"" }, + /^[1-9]/, + { type: "class", value: "[1-9]", description: "[1-9]" }, + function(port) { + port = parseInt(port.join('')); + options.data.port = port; + return port; }, + "transport=", + { type: "literal", value: "transport=", description: "\"transport=\"" }, + "udp", + { type: "literal", value: "udp", description: "\"udp\"" }, + "tcp", + { type: "literal", value: "tcp", description: "\"tcp\"" }, + "sctp", + { type: "literal", value: "sctp", description: "\"sctp\"" }, + "tls", + { type: "literal", value: "tls", description: "\"tls\"" }, + function(transport) { + if(!options.data.uri_params) options.data.uri_params={}; + options.data.uri_params['transport'] = transport.toLowerCase(); }, + "user=", + { type: "literal", value: "user=", description: "\"user=\"" }, + "phone", + { type: "literal", value: "phone", description: "\"phone\"" }, + "ip", + { type: "literal", value: "ip", description: "\"ip\"" }, + function(user) { + if(!options.data.uri_params) options.data.uri_params={}; + options.data.uri_params['user'] = user.toLowerCase(); }, + "method=", + { type: "literal", value: "method=", description: "\"method=\"" }, + function(method) { + if(!options.data.uri_params) options.data.uri_params={}; + options.data.uri_params['method'] = method; }, + "ttl=", + { type: "literal", value: "ttl=", description: "\"ttl=\"" }, + function(ttl) { + if(!options.data.params) options.data.params={}; + options.data.params['ttl'] = ttl; }, + "maddr=", + { type: "literal", value: "maddr=", description: "\"maddr=\"" }, + function(maddr) { + if(!options.data.uri_params) options.data.uri_params={}; + options.data.uri_params['maddr'] = maddr; }, + "lr", + { type: "literal", value: "lr", description: "\"lr\"" }, + function() { + if(!options.data.uri_params) options.data.uri_params={}; + options.data.uri_params['lr'] = undefined; }, + function(param, value) { + if(!options.data.uri_params) options.data.uri_params = {}; + if (value === null){ + value = undefined; + } + else { + value = value[1]; + } + options.data.uri_params[param.toLowerCase()] = value && value.toLowerCase();}, + function(hname, hvalue) { + hname = hname.join('').toLowerCase(); + hvalue = hvalue.join(''); + if(!options.data.uri_headers) options.data.uri_headers = {}; + if (!options.data.uri_headers[hname]) { + options.data.uri_headers[hname] = [hvalue]; + } else { + options.data.uri_headers[hname].push(hvalue); + }}, + function() { + // lots of tests fail if this isn't guarded... + if (options.startRule === 'Refer_To') { + options.data.uri = new options.SIP.URI(options.data.scheme, options.data.user, options.data.host, options.data.port, options.data.uri_params, options.data.uri_headers); + delete options.data.scheme; + delete options.data.user; + delete options.data.host; + delete options.data.host_type; + delete options.data.port; + delete options.data.uri_params; + } + }, + "//", + { type: "literal", value: "//", description: "\"//\"" }, + function() { + options.data.scheme= text(); }, + { type: "literal", value: "SIP", description: "\"SIP\"" }, + function() { + options.data.sip_version = text(); }, + "INVITE", + { type: "literal", value: "INVITE", description: "\"INVITE\"" }, + "ACK", + { type: "literal", value: "ACK", description: "\"ACK\"" }, + "VXACH", + { type: "literal", value: "VXACH", description: "\"VXACH\"" }, + "OPTIONS", + { type: "literal", value: "OPTIONS", description: "\"OPTIONS\"" }, + "BYE", + { type: "literal", value: "BYE", description: "\"BYE\"" }, + "CANCEL", + { type: "literal", value: "CANCEL", description: "\"CANCEL\"" }, + "REGISTER", + { type: "literal", value: "REGISTER", description: "\"REGISTER\"" }, + "SUBSCRIBE", + { type: "literal", value: "SUBSCRIBE", description: "\"SUBSCRIBE\"" }, + "NOTIFY", + { type: "literal", value: "NOTIFY", description: "\"NOTIFY\"" }, + "REFER", + { type: "literal", value: "REFER", description: "\"REFER\"" }, + function() { + + options.data.method = text(); + return options.data.method; }, + function(status_code) { + options.data.status_code = parseInt(status_code.join('')); }, + function() { + options.data.reason_phrase = text(); }, + function() { + options.data = text(); }, + function() { + var idx, length; + length = options.data.multi_header.length; + for (idx = 0; idx < length; idx++) { + if (options.data.multi_header[idx].parsed === null) { + options.data = null; + break; + } + } + if (options.data !== null) { + options.data = options.data.multi_header; + } else { + options.data = -1; + }}, + function() { + var header; + if(!options.data.multi_header) options.data.multi_header = []; + try { + header = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + delete options.data.uri; + delete options.data.displayName; + delete options.data.params; + } catch(e) { + header = null; + } + options.data.multi_header.push( { 'position': peg$currPos, + 'offset': offset(), + 'parsed': header + });}, + function(displayName) { + displayName = text().trim(); + if (displayName[0] === '\"') { + displayName = displayName.substring(1, displayName.length-1); + } + options.data.displayName = displayName; }, + "q", + { type: "literal", value: "q", description: "\"q\"" }, + function(q) { + if(!options.data.params) options.data.params = {}; + options.data.params['q'] = q; }, + "expires", + { type: "literal", value: "expires", description: "\"expires\"" }, + function(expires) { + if(!options.data.params) options.data.params = {}; + options.data.params['expires'] = expires; }, + function(delta_seconds) { + return parseInt(delta_seconds.join('')); }, + "0", + { type: "literal", value: "0", description: "\"0\"" }, + function() { + return parseFloat(text()); }, + function(param, value) { + if(!options.data.params) options.data.params = {}; + if (value === null){ + value = undefined; + } + else { + value = value[1]; + } + options.data.params[param.toLowerCase()] = value;}, + "render", + { type: "literal", value: "render", description: "\"render\"" }, + "session", + { type: "literal", value: "session", description: "\"session\"" }, + "icon", + { type: "literal", value: "icon", description: "\"icon\"" }, + "alert", + { type: "literal", value: "alert", description: "\"alert\"" }, + function() { + if (options.startRule === 'Content_Disposition') { + options.data.type = text().toLowerCase(); + } + }, + "handling", + { type: "literal", value: "handling", description: "\"handling\"" }, + "optional", + { type: "literal", value: "optional", description: "\"optional\"" }, + "required", + { type: "literal", value: "required", description: "\"required\"" }, + function(length) { + options.data = parseInt(length.join('')); }, + function() { + options.data = text(); }, + "text", + { type: "literal", value: "text", description: "\"text\"" }, + "image", + { type: "literal", value: "image", description: "\"image\"" }, + "audio", + { type: "literal", value: "audio", description: "\"audio\"" }, + "video", + { type: "literal", value: "video", description: "\"video\"" }, + "application", + { type: "literal", value: "application", description: "\"application\"" }, + "message", + { type: "literal", value: "message", description: "\"message\"" }, + "multipart", + { type: "literal", value: "multipart", description: "\"multipart\"" }, + "x-", + { type: "literal", value: "x-", description: "\"x-\"" }, + function(cseq_value) { + options.data.value=parseInt(cseq_value.join('')); }, + function(expires) {options.data = expires; }, + function(event_type) { + options.data.event = event_type.toLowerCase(); }, + function() { + var tag = options.data.tag; + options.data = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + if (tag) {options.data.setParam('tag',tag)} + }, + "tag", + { type: "literal", value: "tag", description: "\"tag\"" }, + function(tag) {options.data.tag = tag; }, + function(forwards) { + options.data = parseInt(forwards.join('')); }, + function(min_expires) {options.data = min_expires; }, + function() { + options.data = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + }, + "digest", + { type: "literal", value: "Digest", description: "\"Digest\"" }, + "realm", + { type: "literal", value: "realm", description: "\"realm\"" }, + function(realm) { options.data.realm = realm; }, + "domain", + { type: "literal", value: "domain", description: "\"domain\"" }, + "nonce", + { type: "literal", value: "nonce", description: "\"nonce\"" }, + function(nonce) { options.data.nonce=nonce; }, + "opaque", + { type: "literal", value: "opaque", description: "\"opaque\"" }, + function(opaque) { options.data.opaque=opaque; }, + "stale", + { type: "literal", value: "stale", description: "\"stale\"" }, + "true", + { type: "literal", value: "true", description: "\"true\"" }, + function() { options.data.stale=true; }, + "false", + { type: "literal", value: "false", description: "\"false\"" }, + function() { options.data.stale=false; }, + "algorithm", + { type: "literal", value: "algorithm", description: "\"algorithm\"" }, + "md5", + { type: "literal", value: "MD5", description: "\"MD5\"" }, + "md5-sess", + { type: "literal", value: "MD5-sess", description: "\"MD5-sess\"" }, + function(algorithm) { + options.data.algorithm=algorithm.toUpperCase(); }, + "qop", + { type: "literal", value: "qop", description: "\"qop\"" }, + "auth-int", + { type: "literal", value: "auth-int", description: "\"auth-int\"" }, + "auth", + { type: "literal", value: "auth", description: "\"auth\"" }, + function(qop_value) { + options.data.qop || (options.data.qop=[]); + options.data.qop.push(qop_value.toLowerCase()); }, + function(rack_value) { + options.data.value=parseInt(rack_value.join('')); }, + function() { + var idx, length; + length = options.data.multi_header.length; + for (idx = 0; idx < length; idx++) { + if (options.data.multi_header[idx].parsed === null) { + options.data = null; + break; + } + } + if (options.data !== null) { + options.data = options.data.multi_header; + } else { + options.data = -1; + }}, + function() { + var header; + if(!options.data.multi_header) options.data.multi_header = []; + try { + header = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + delete options.data.uri; + delete options.data.displayName; + delete options.data.params; + } catch(e) { + header = null; + } + options.data.multi_header.push( { 'position': peg$currPos, + 'offset': offset(), + 'parsed': header + });}, + function() { + options.data = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + }, + function() { + if (!(options.data.replaces_from_tag && options.data.replaces_to_tag)) { + options.data = -1; + } + }, + function() { + options.data = { + call_id: options.data + }; + }, + "from-tag", + { type: "literal", value: "from-tag", description: "\"from-tag\"" }, + function(from_tag) { + options.data.replaces_from_tag = from_tag; + }, + "to-tag", + { type: "literal", value: "to-tag", description: "\"to-tag\"" }, + function(to_tag) { + options.data.replaces_to_tag = to_tag; + }, + "early-only", + { type: "literal", value: "early-only", description: "\"early-only\"" }, + function() { + options.data.early_only = true; + }, + function(r) {return r;}, + function(first, rest) { return list(first, rest); }, + function(value) { + if (options.startRule === 'Require') { + options.data = value || []; + } + }, + function(rseq_value) { + options.data.value=parseInt(rseq_value.join('')); }, + "active", + { type: "literal", value: "active", description: "\"active\"" }, + "pending", + { type: "literal", value: "pending", description: "\"pending\"" }, + "terminated", + { type: "literal", value: "terminated", description: "\"terminated\"" }, + function() { + options.data.state = text(); }, + "reason", + { type: "literal", value: "reason", description: "\"reason\"" }, + function(reason) { + if (typeof reason !== 'undefined') options.data.reason = reason; }, + function(expires) { + if (typeof expires !== 'undefined') options.data.expires = expires; }, + "retry_after", + { type: "literal", value: "retry_after", description: "\"retry_after\"" }, + function(retry_after) { + if (typeof retry_after !== 'undefined') options.data.retry_after = retry_after; }, + "deactivated", + { type: "literal", value: "deactivated", description: "\"deactivated\"" }, + "probation", + { type: "literal", value: "probation", description: "\"probation\"" }, + "rejected", + { type: "literal", value: "rejected", description: "\"rejected\"" }, + "timeout", + { type: "literal", value: "timeout", description: "\"timeout\"" }, + "giveup", + { type: "literal", value: "giveup", description: "\"giveup\"" }, + "noresource", + { type: "literal", value: "noresource", description: "\"noresource\"" }, + "invariant", + { type: "literal", value: "invariant", description: "\"invariant\"" }, + function(value) { + if (options.startRule === 'Supported') { + options.data = value || []; + } + }, + function() { + var tag = options.data.tag; + options.data = new options.SIP.NameAddrHeader(options.data.uri, options.data.displayName, options.data.params); + if (tag) {options.data.setParam('tag',tag)} + }, + "ttl", + { type: "literal", value: "ttl", description: "\"ttl\"" }, + function(via_ttl_value) { + options.data.ttl = via_ttl_value; }, + "maddr", + { type: "literal", value: "maddr", description: "\"maddr\"" }, + function(via_maddr) { + options.data.maddr = via_maddr; }, + "received", + { type: "literal", value: "received", description: "\"received\"" }, + function(via_received) { + options.data.received = via_received; }, + "branch", + { type: "literal", value: "branch", description: "\"branch\"" }, + function(via_branch) { + options.data.branch = via_branch; }, + "rport", + { type: "literal", value: "rport", description: "\"rport\"" }, + function() { + if(typeof response_port !== 'undefined') + options.data.rport = response_port.join(''); }, + function(via_protocol) { + options.data.protocol = via_protocol; }, + { type: "literal", value: "UDP", description: "\"UDP\"" }, + { type: "literal", value: "TCP", description: "\"TCP\"" }, + { type: "literal", value: "TLS", description: "\"TLS\"" }, + { type: "literal", value: "SCTP", description: "\"SCTP\"" }, + function(via_transport) { + options.data.transport = via_transport; }, + function() { + options.data.host = text(); }, + function(via_sent_by_port) { + options.data.port = parseInt(via_sent_by_port.join('')); }, + function(ttl) { + return parseInt(ttl.join('')); }, + function(deltaSeconds) { + if (options.startRule === 'Session_Expires') { + options.data.deltaSeconds = deltaSeconds; + } + }, + "refresher", + { type: "literal", value: "refresher", description: "\"refresher\"" }, + "uas", + { type: "literal", value: "uas", description: "\"uas\"" }, + "uac", + { type: "literal", value: "uac", description: "\"uac\"" }, + function(endpoint) { + if (options.startRule === 'Session_Expires') { + options.data.refresher = endpoint; + } + }, + function(deltaSeconds) { + if (options.startRule === 'Min_SE') { + options.data = deltaSeconds; + } + }, + "stuns", + { type: "literal", value: "stuns", description: "\"stuns\"" }, + "stun", + { type: "literal", value: "stun", description: "\"stun\"" }, + function(scheme) { + options.data.scheme = scheme; }, + function(host) { + options.data.host = host; }, + "?transport=", + { type: "literal", value: "?transport=", description: "\"?transport=\"" }, + "turns", + { type: "literal", value: "turns", description: "\"turns\"" }, + "turn", + { type: "literal", value: "turn", description: "\"turn\"" }, + function() { + options.data.transport = transport; }, + function() { + options.data = text(); } + ], + + peg$bytecode = [ + peg$decode(". \"\"2 3!"), + peg$decode("0\"\"\"1!3#"), + peg$decode("0$\"\"1!3%"), + peg$decode("0&\"\"1!3'"), + peg$decode("7'*# \"7("), + peg$decode("0(\"\"1!3)"), + peg$decode("0*\"\"1!3+"), + peg$decode(".,\"\"2,3-"), + peg$decode("..\"\"2.3/"), + peg$decode("00\"\"1!31"), + peg$decode(".2\"\"2233*\x89 \".4\"\"2435*} \".6\"\"2637*q \".8\"\"2839*e \".:\"\"2:3;*Y \".<\"\"2<3=*M \".>\"\"2>3?*A \".@\"\"2@3A*5 \".B\"\"2B3C*) \".D\"\"2D3E"), + peg$decode("7)*# \"7,"), + peg$decode(".F\"\"2F3G*} \".H\"\"2H3I*q \".J\"\"2J3K*e \".L\"\"2L3M*Y \".N\"\"2N3O*M \".P\"\"2P3Q*A \".R\"\"2R3S*5 \".T\"\"2T3U*) \".V\"\"2V3W"), + peg$decode("!!.Y\"\"2Y3Z+7$7#+-%7#+#%'#%$## X$\"# X\"# X+! (%"), + peg$decode("!! \\7$,#&7$\"+-$7 +#%'\"%$\"# X\"# X*# \" [+@$ \\7$+&$,#&7$\"\"\" X+'%4\"6]\" %$\"# X\"# X"), + peg$decode("7.*# \" ["), + peg$decode("! \\7'*# \"7(,)&7'*# \"7(\"+A$.8\"\"2839+1%7/+'%4#6^# %$## X$\"# X\"# X"), + peg$decode("!! \\72+&$,#&72\"\"\" X+o$ \\! \\7.,#&7.\"+-$72+#%'\"%$\"# X\"# X,@&! \\7.,#&7.\"+-$72+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X+! (%"), + peg$decode("0_\"\"1!3`*# \"73"), + peg$decode("0a\"\"1!3b"), + peg$decode("0c\"\"1!3d"), + peg$decode("7!*) \"0e\"\"1!3f"), + peg$decode("! \\7)*\x95 \".F\"\"2F3G*\x89 \".J\"\"2J3K*} \".L\"\"2L3M*q \".Y\"\"2Y3Z*e \".P\"\"2P3Q*Y \".H\"\"2H3I*M \".@\"\"2@3A*A \".g\"\"2g3h*5 \".R\"\"2R3S*) \".N\"\"2N3O+\x9E$,\x9B&7)*\x95 \".F\"\"2F3G*\x89 \".J\"\"2J3K*} \".L\"\"2L3M*q \".Y\"\"2Y3Z*e \".P\"\"2P3Q*Y \".H\"\"2H3I*M \".@\"\"2@3A*A \".g\"\"2g3h*5 \".R\"\"2R3S*) \".N\"\"2N3O\"\"\" X+! (%"), + peg$decode("! \\7)*\x89 \".F\"\"2F3G*} \".L\"\"2L3M*q \".Y\"\"2Y3Z*e \".P\"\"2P3Q*Y \".H\"\"2H3I*M \".@\"\"2@3A*A \".g\"\"2g3h*5 \".R\"\"2R3S*) \".N\"\"2N3O+\x92$,\x8F&7)*\x89 \".F\"\"2F3G*} \".L\"\"2L3M*q \".Y\"\"2Y3Z*e \".P\"\"2P3Q*Y \".H\"\"2H3I*M \".@\"\"2@3A*A \".g\"\"2g3h*5 \".R\"\"2R3S*) \".N\"\"2N3O\"\"\" X+! (%"), + peg$decode(".T\"\"2T3U*\xE3 \".V\"\"2V3W*\xD7 \".i\"\"2i3j*\xCB \".k\"\"2k3l*\xBF \".:\"\"2:3;*\xB3 \".D\"\"2D3E*\xA7 \".2\"\"2233*\x9B \".8\"\"2839*\x8F \".m\"\"2m3n*\x83 \"7&*} \".4\"\"2435*q \".o\"\"2o3p*e \".q\"\"2q3r*Y \".6\"\"2637*M \".>\"\"2>3?*A \".s\"\"2s3t*5 \".u\"\"2u3v*) \"7'*# \"7("), + peg$decode("! \\7)*\u012B \".F\"\"2F3G*\u011F \".J\"\"2J3K*\u0113 \".L\"\"2L3M*\u0107 \".Y\"\"2Y3Z*\xFB \".P\"\"2P3Q*\xEF \".H\"\"2H3I*\xE3 \".@\"\"2@3A*\xD7 \".g\"\"2g3h*\xCB \".R\"\"2R3S*\xBF \".N\"\"2N3O*\xB3 \".T\"\"2T3U*\xA7 \".V\"\"2V3W*\x9B \".i\"\"2i3j*\x8F \".k\"\"2k3l*\x83 \".8\"\"2839*w \".m\"\"2m3n*k \"7&*e \".4\"\"2435*Y \".o\"\"2o3p*M \".q\"\"2q3r*A \".6\"\"2637*5 \".s\"\"2s3t*) \".u\"\"2u3v+\u0134$,\u0131&7)*\u012B \".F\"\"2F3G*\u011F \".J\"\"2J3K*\u0113 \".L\"\"2L3M*\u0107 \".Y\"\"2Y3Z*\xFB \".P\"\"2P3Q*\xEF \".H\"\"2H3I*\xE3 \".@\"\"2@3A*\xD7 \".g\"\"2g3h*\xCB \".R\"\"2R3S*\xBF \".N\"\"2N3O*\xB3 \".T\"\"2T3U*\xA7 \".V\"\"2V3W*\x9B \".i\"\"2i3j*\x8F \".k\"\"2k3l*\x83 \".8\"\"2839*w \".m\"\"2m3n*k \"7&*e \".4\"\"2435*Y \".o\"\"2o3p*M \".q\"\"2q3r*A \".6\"\"2637*5 \".s\"\"2s3t*) \".u\"\"2u3v\"\"\" X+! (%"), + peg$decode("!7/+A$.P\"\"2P3Q+1%7/+'%4#6w# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.4\"\"2435+1%7/+'%4#6x# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.>\"\"2>3?+1%7/+'%4#6y# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.T\"\"2T3U+1%7/+'%4#6z# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.V\"\"2V3W+1%7/+'%4#6{# %$## X$\"# X\"# X"), + peg$decode("!.k\"\"2k3l+1$7/+'%4\"6|\" %$\"# X\"# X"), + peg$decode("!7/+7$.i\"\"2i3j+'%4\"6}\" %$\"# X\"# X"), + peg$decode("!7/+A$.D\"\"2D3E+1%7/+'%4#6~# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.2\"\"2233+1%7/+'%4#6# %$## X$\"# X\"# X"), + peg$decode("!7/+A$.8\"\"2839+1%7/+'%4#6\x80# %$## X$\"# X\"# X"), + peg$decode("!7/+1$7&+'%4\"6\x81\" %$\"# X\"# X"), + peg$decode("!7&+1$7/+'%4\"6\x81\" %$\"# X\"# X"), + peg$decode("!7=+W$ \\7G*) \"7K*# \"7F,/&7G*) \"7K*# \"7F\"+-%7>+#%'#%$## X$\"# X\"# X"), + peg$decode("0\x82\"\"1!3\x83*A \"0\x84\"\"1!3\x85*5 \"0\x86\"\"1!3\x87*) \"73*# \"7."), + peg$decode("!!7/+U$7&+K% \\7J*# \"7K,)&7J*# \"7K\"+-%7&+#%'$%$$# X$## X$\"# X\"# X+! (%"), + peg$decode("!7/+`$7&+V%! \\7J*# \"7K,)&7J*# \"7K\"+! (%+2%7&+(%4$6\x88$!!%$$# X$## X$\"# X\"# X"), + peg$decode("7.*G \".L\"\"2L3M*; \"0\x89\"\"1!3\x8A*/ \"0\x86\"\"1!3\x87*# \"73"), + peg$decode("!.m\"\"2m3n+K$0\x8B\"\"1!3\x8C*5 \"0\x8D\"\"1!3\x8E*) \"0\x8F\"\"1!3\x90+#%'\"%$\"# X\"# X"), + peg$decode("!7N+Q$.8\"\"2839+A%7O*# \" [+1%7S+'%4$6\x91$ %$$# X$## X$\"# X\"# X"), + peg$decode("!7N+k$.8\"\"2839+[%7O*# \" [+K%7S+A%7_+7%7l*# \" [+'%4&6\x92& %$&# X$%# X$$# X$## X$\"# X\"# X"), + peg$decode("!/\x93\"\"1$3\x94*) \"/\x95\"\"1#3\x96+' 4!6\x97!! %"), + peg$decode("!7P+b$!.8\"\"2839+-$7R+#%'\"%$\"# X\"# X*# \" [+7%.:\"\"2:3;+'%4#6\x98# %$## X$\"# X\"# X"), + peg$decode(" \\7+*) \"7-*# \"7Q+2$,/&7+*) \"7-*# \"7Q\"\"\" X"), + peg$decode(".<\"\"2<3=*q \".>\"\"2>3?*e \".@\"\"2@3A*Y \".B\"\"2B3C*M \".D\"\"2D3E*A \".2\"\"2233*5 \".6\"\"2637*) \".4\"\"2435"), + peg$decode("! \\7+*_ \"7-*Y \".<\"\"2<3=*M \".>\"\"2>3?*A \".@\"\"2@3A*5 \".B\"\"2B3C*) \".D\"\"2D3E,e&7+*_ \"7-*Y \".<\"\"2<3=*M \".>\"\"2>3?*A \".@\"\"2@3A*5 \".B\"\"2B3C*) \".D\"\"2D3E\"+& 4!6\x99! %"), + peg$decode("!7T+N$!.8\"\"2839+-$7^+#%'\"%$\"# X\"# X*# \" [+#%'\"%$\"# X\"# X"), + peg$decode("!7U*) \"7\\*# \"7X+& 4!6\x9A! %"), + peg$decode("! \\!7V+3$.J\"\"2J3K+#%'\"%$\"# X\"# X,>&!7V+3$.J\"\"2J3K+#%'\"%$\"# X\"# X\"+G$7W+=%.J\"\"2J3K*# \" [+'%4#6\x9B# %$## X$\"# X\"# X"), + peg$decode(" \\0\x9C\"\"1!3\x9D+,$,)&0\x9C\"\"1!3\x9D\"\"\" X"), + peg$decode("!0$\"\"1!3%+A$ \\0\x9E\"\"1!3\x9F,)&0\x9E\"\"1!3\x9F\"+#%'\"%$\"# X\"# X"), + peg$decode("!.o\"\"2o3p+A$7Y+7%.q\"\"2q3r+'%4#6\xA0# %$## X$\"# X\"# X"), + peg$decode("!!7Z+\xBF$.8\"\"2839+\xAF%7Z+\xA5%.8\"\"2839+\x95%7Z+\x8B%.8\"\"2839+{%7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'-%$-# X$,# X$+# X$*# X$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0838 \"!.\xA1\"\"2\xA13\xA2+\xAF$7Z+\xA5%.8\"\"2839+\x95%7Z+\x8B%.8\"\"2839+{%7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%',%$,# X$+# X$*# X$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0795 \"!.\xA1\"\"2\xA13\xA2+\x95$7Z+\x8B%.8\"\"2839+{%7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'*%$*# X$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u070C \"!.\xA1\"\"2\xA13\xA2+{$7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'(%$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u069D \"!.\xA1\"\"2\xA13\xA2+a$7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'&%$&# X$%# X$$# X$## X$\"# X\"# X*\u0648 \"!.\xA1\"\"2\xA13\xA2+G$7Z+=%.8\"\"2839+-%7[+#%'$%$$# X$## X$\"# X\"# X*\u060D \"!.\xA1\"\"2\xA13\xA2+-$7[+#%'\"%$\"# X\"# X*\u05EC \"!.\xA1\"\"2\xA13\xA2+-$7Z+#%'\"%$\"# X\"# X*\u05CB \"!7Z+\xA5$.\xA1\"\"2\xA13\xA2+\x95%7Z+\x8B%.8\"\"2839+{%7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'+%$+# X$*# X$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0538 \"!7Z+\xB6$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x8B%.\xA1\"\"2\xA13\xA2+{%7Z+q%.8\"\"2839+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%'*%$*# X$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0494 \"!7Z+\xC7$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x9C%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+q%.\xA1\"\"2\xA13\xA2+a%7Z+W%.8\"\"2839+G%7Z+=%.8\"\"2839+-%7[+#%')%$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u03DF \"!7Z+\xD8$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xAD%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x82%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+W%.\xA1\"\"2\xA13\xA2+G%7Z+=%.8\"\"2839+-%7[+#%'(%$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0319 \"!7Z+\xE9$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xBE%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x93%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+h%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+=%.\xA1\"\"2\xA13\xA2+-%7[+#%''%$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0242 \"!7Z+\u0114$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xE9%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xBE%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x93%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+h%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+=%.\xA1\"\"2\xA13\xA2+-%7Z+#%'(%$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X*\u0140 \"!7Z+\u0135$!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\u010A%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xDF%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\xB4%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+\x89%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+^%!.8\"\"2839+-$7Z+#%'\"%$\"# X\"# X*# \" [+3%.\xA1\"\"2\xA13\xA2+#%'(%$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X+& 4!6\xA3! 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%$## X$\"# X\"# X"), + peg$decode("!/\xF6\"\"1'3\xF7+<$7<+2%7\x9D+(%4#6\xF8#! %$## X$\"# X\"# X"), + peg$decode("! \\7!+&$,#&7!\"\"\" X+' 4!6\xF9!! %"), + peg$decode("!.\xFA\"\"2\xFA3\xFB+x$!.J\"\"2J3K+S$7!*# \" [+C%7!*# \" [+3%7!*# \" [+#%'$%$$# X$## X$\"# X\"# X*# \" [+'%4\"6\xFC\" %$\"# X\"# X"), + peg$decode("!76+N$!7<+-$7\xA0+#%'\"%$\"# X\"# X*# \" [+)%4\"6\xFD\"\"! %$\"# X\"# X"), + peg$decode("76*) \"7T*# \"7H"), + peg$decode("!7\xA2+_$ \\!7B+-$7\xA3+#%'\"%$\"# X\"# X,8&!7B+-$7\xA3+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"), + peg$decode("!/\xFE\"\"1&3\xFF*G \"/\u0100\"\"1'3\u0101*; \"/\u0102\"\"1$3\u0103*/ \"/\u0104\"\"1%3\u0105*# \"76+& 4!6\u0106! %"), + peg$decode("7\xA4*# \"7\x9F"), + peg$decode("!/\u0107\"\"1(3\u0108+O$7<+E%/\u0109\"\"1(3\u010A*/ \"/\u010B\"\"1(3\u010C*# \"76+#%'#%$## X$\"# X\"# X"), + peg$decode("!76+_$ \\!7A+-$76+#%'\"%$\"# X\"# X,8&!7A+-$76+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"), + peg$decode("! \\7!+&$,#&7!\"\"\" X+' 4!6\u010D!! %"), + peg$decode("!7\xA8+& 4!6\u010E! 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(%"), + peg$decode("!7L*# \"7\x98+c$ \\!7B+-$7\xB7+#%'\"%$\"# X\"# X,8&!7B+-$7\xB7+#%'\"%$\"# X\"# X\"+'%4\"6\u0122\" %$\"# X\"# X"), + peg$decode("7\xB8*# \"7\x9F"), + peg$decode("!/\u0123\"\"1#3\u0124+<$7<+2%76+(%4#6\u0125#! %$## X$\"# X\"# X"), + peg$decode("! \\7!+&$,#&7!\"\"\" X+' 4!6\u0126!! %"), + peg$decode("!7\x9D+' 4!6\u0127!! %"), + peg$decode("! \\7\x99,#&7\x99\"+\x81$7@+w%7M+m%7?+c% \\!7B+-$7\x9F+#%'\"%$\"# X\"# X,8&!7B+-$7\x9F+#%'\"%$\"# X\"# X\"+'%4%6\u0128% %$%# X$$# X$## X$\"# X\"# X"), + peg$decode("7\xBD"), + peg$decode("!/\u0129\"\"1&3\u012A+s$7.+i%7\xC0+_% \\!7A+-$7\xC0+#%'\"%$\"# X\"# X,8&!7A+-$7\xC0+#%'\"%$\"# X\"# X\"+#%'$%$$# X$## X$\"# X\"# X*# \"7\xBE"), + peg$decode("!76+s$7.+i%7\xBF+_% \\!7A+-$7\xBF+#%'\"%$\"# X\"# X,8&!7A+-$7\xBF+#%'\"%$\"# X\"# X\"+#%'$%$$# X$## X$\"# X\"# X"), + peg$decode("!76+=$7<+3%76*# \"7H+#%'#%$## X$\"# X\"# X"), + peg$decode("7\xC1*G \"7\xC3*A \"7\xC5*; \"7\xC7*5 \"7\xC8*/ \"7\xC9*) \"7\xCA*# \"7\xBF"), + peg$decode("!/\u012B\"\"1%3\u012C+7$7<+-%7\xC2+#%'#%$## X$\"# X\"# X"), + peg$decode("!7I+' 4!6\u012D!! 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%"), + peg$decode("!/\xB4\"\"1#3\u018D*G \"/\xB6\"\"1#3\u018E*; \"/\xBA\"\"1#3\u018F*/ \"/\xB8\"\"1$3\u0190*# \"76+' 4!6\u0191!! %"), + peg$decode("!7\xED+H$!7C+-$7\xEE+#%'\"%$\"# X\"# X*# \" [+#%'\"%$\"# X\"# X"), + peg$decode("!7U*) \"7\\*# \"7X+& 4!6\u0192! %"), + peg$decode("!!7!*# \" [+c$7!*# \" [+S%7!*# \" [+C%7!*# \" [+3%7!*# \" [+#%'%%$%# X$$# X$## X$\"# X\"# X+' 4!6\u0193!! %"), + peg$decode("!!7!+C$7!*# \" [+3%7!*# \" [+#%'#%$## X$\"# X\"# X+' 4!6\u0194!! %"), + peg$decode("7\xBD"), + peg$decode("!7\x9D+d$ \\!7B+-$7\xF2+#%'\"%$\"# X\"# X,8&!7B+-$7\xF2+#%'\"%$\"# X\"# X\"+(%4\"6\u0195\"!!%$\"# X\"# X"), + peg$decode("7\xF3*# \"7\x9F"), + peg$decode("!.\u0196\"\"2\u01963\u0197+N$7<+D%.\u0198\"\"2\u01983\u0199*) \".\u019A\"\"2\u019A3\u019B+(%4#6\u019C#! %$## X$\"# X\"# X"), + peg$decode("!7\x9D+d$ \\!7B+-$7\x9F+#%'\"%$\"# X\"# X,8&!7B+-$7\x9F+#%'\"%$\"# X\"# X\"+(%4\"6\u019D\"!!%$\"# X\"# X"), + peg$decode("!76+7$70+-%7\xF6+#%'#%$## X$\"# X\"# X"), + peg$decode(" \\72*) \"74*# \"7.,/&72*) \"74*# \"7.\""), + peg$decode(" \\7%,#&7%\""), + peg$decode("!7\xF9+=$.8\"\"2839+-%7\xFA+#%'#%$## X$\"# X\"# X"), + peg$decode("!/\u019E\"\"1%3\u019F*) \"/\u01A0\"\"1$3\u01A1+' 4!6\u01A2!! %"), + peg$decode("!7\xFB+N$!.8\"\"2839+-$7^+#%'\"%$\"# X\"# X*# \" [+#%'\"%$\"# X\"# X"), + peg$decode("!7\\*) \"7X*# \"7\x82+' 4!6\u01A3!! %"), + peg$decode("! \\7\xFD*) \"7-*# \"7\xFE,/&7\xFD*) \"7-*# \"7\xFE\"+! (%"), + peg$decode("7\"*S \"7!*M \".F\"\"2F3G*A \".J\"\"2J3K*5 \".H\"\"2H3I*) \".N\"\"2N3O"), + peg$decode(".L\"\"2L3M*\x95 \".B\"\"2B3C*\x89 \".<\"\"2<3=*} \".R\"\"2R3S*q \".T\"\"2T3U*e \".V\"\"2V3W*Y \".P\"\"2P3Q*M \".@\"\"2@3A*A \".D\"\"2D3E*5 \".2\"\"2233*) \".>\"\"2>3?"), + peg$decode("!7\u0100+h$.8\"\"2839+X%7\xFA+N%!.\u01A4\"\"2\u01A43\u01A5+-$7\xEB+#%'\"%$\"# X\"# X*# \" [+#%'$%$$# X$## X$\"# X\"# X"), + peg$decode("!/\u01A6\"\"1%3\u01A7*) \"/\u01A8\"\"1$3\u01A9+' 4!6\u01A2!! %"), + peg$decode("!7\xEB+Q$/\xB4\"\"1#3\xB5*7 \"/\xB6\"\"1#3\xB7*+ \" \\7+,#&7+\"+'%4\"6\u01AA\" %$\"# X\"# X"), + peg$decode("!7\u0104+\x8F$.F\"\"2F3G+%7\u0103+u%.F\"\"2F3G+e%7\u0103+[%.F\"\"2F3G+K%7\u0103+A%.F\"\"2F3G+1%7\u0105+'%4)6\u01AB) %$)# X$(# X$'# X$&# X$%# X$$# X$## X$\"# X\"# X"), + peg$decode("!7#+A$7#+7%7#+-%7#+#%'$%$$# X$## X$\"# X\"# X"), + peg$decode("!7\u0103+-$7\u0103+#%'\"%$\"# X\"# X"), + peg$decode("!7\u0103+7$7\u0103+-%7\u0103+#%'#%$## X$\"# X\"# X") + ], + + peg$currPos = 0, + peg$reportedPos = 0, + peg$cachedPos = 0, + peg$cachedPosDetails = { line: 1, column: 1, seenCR: false }, + peg$maxFailPos = 0, + peg$maxFailExpected = [], + peg$silentFails = 0, + + peg$result; + + if ("startRule" in options) { + if (!(options.startRule in peg$startRuleIndices)) { + throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); + } + + peg$startRuleIndex = peg$startRuleIndices[options.startRule]; + } + + function text() { + return input.substring(peg$reportedPos, peg$currPos); + } + + function offset() { + return peg$reportedPos; + } + + function line() { + return peg$computePosDetails(peg$reportedPos).line; + } + + function column() { + return peg$computePosDetails(peg$reportedPos).column; + } + + function expected(description) { + throw peg$buildException( + null, + [{ type: "other", description: description }], + peg$reportedPos + ); + } + + function error(message) { + throw peg$buildException(message, null, peg$reportedPos); + } + + function peg$computePosDetails(pos) { + function advance(details, startPos, endPos) { + var p, ch; + + for (p = startPos; p < endPos; p++) { + ch = input.charAt(p); + if (ch === "\n") { + if (!details.seenCR) { details.line++; } + details.column = 1; + details.seenCR = false; + } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") { + details.line++; + details.column = 1; + details.seenCR = true; + } else { + details.column++; + details.seenCR = false; + } + } + } + + if (peg$cachedPos !== pos) { + if (peg$cachedPos > pos) { + peg$cachedPos = 0; + peg$cachedPosDetails = { line: 1, column: 1, seenCR: false }; + } + advance(peg$cachedPosDetails, peg$cachedPos, pos); + peg$cachedPos = pos; + } + + return peg$cachedPosDetails; + } + + function peg$fail(expected) { + if (peg$currPos < peg$maxFailPos) { return; } + + if (peg$currPos > peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + + peg$maxFailExpected.push(expected); + } + + function peg$buildException(message, expected, pos) { + function cleanupExpected(expected) { + var i = 1; + + expected.sort(function(a, b) { + if (a.description < b.description) { + return -1; + } else if (a.description > b.description) { + return 1; + } else { + return 0; + } + }); + + while (i < expected.length) { + if (expected[i - 1] === expected[i]) { + expected.splice(i, 1); + } else { + i++; + } + } + } + + function buildMessage(expected, found) { + function stringEscape(s) { + function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); } + + return s + .replace(/\\/g, '\\\\') + .replace(/"/g, '\\"') + .replace(/\x08/g, '\\b') + .replace(/\t/g, '\\t') + .replace(/\n/g, '\\n') + .replace(/\f/g, '\\f') + .replace(/\r/g, '\\r') + .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); }) + .replace(/[\x10-\x1F\x80-\xFF]/g, function(ch) { return '\\x' + hex(ch); }) + .replace(/[\u0180-\u0FFF]/g, function(ch) { return '\\u0' + hex(ch); }) + .replace(/[\u1080-\uFFFF]/g, function(ch) { return '\\u' + hex(ch); }); + } + + var expectedDescs = new Array(expected.length), + expectedDesc, foundDesc, i; + + for (i = 0; i < expected.length; i++) { + expectedDescs[i] = expected[i].description; + } + + expectedDesc = expected.length > 1 + ? expectedDescs.slice(0, -1).join(", ") + + " or " + + expectedDescs[expected.length - 1] + : expectedDescs[0]; + + foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input"; + + return "Expected " + expectedDesc + " but " + foundDesc + " found."; + } + + var posDetails = peg$computePosDetails(pos), + found = pos < input.length ? input.charAt(pos) : null; + + if (expected !== null) { + cleanupExpected(expected); + } + + return new SyntaxError( + message !== null ? message : buildMessage(expected, found), + expected, + found, + pos, + posDetails.line, + posDetails.column + ); + } + + function peg$decode(s) { + var bc = new Array(s.length), i; + + for (i = 0; i < s.length; i++) { + bc[i] = s.charCodeAt(i) - 32; + } + + return bc; + } + + function peg$parseRule(index) { + var bc = peg$bytecode[index], + ip = 0, + ips = [], + end = bc.length, + ends = [], + stack = [], + params, i; + + function protect(object) { + return Object.prototype.toString.apply(object) === "[object Array]" ? [] : object; + } + + while (true) { + while (ip < end) { + switch (bc[ip]) { + case 0: + stack.push(protect(peg$consts[bc[ip + 1]])); + ip += 2; + break; + + case 1: + stack.push(peg$currPos); + ip++; + break; + + case 2: + stack.pop(); + ip++; + break; + + case 3: + peg$currPos = stack.pop(); + ip++; + break; + + case 4: + stack.length -= bc[ip + 1]; + ip += 2; + break; + + case 5: + stack.splice(-2, 1); + ip++; + break; + + case 6: + stack[stack.length - 2].push(stack.pop()); + ip++; + break; + + case 7: + stack.push(stack.splice(stack.length - bc[ip + 1], bc[ip + 1])); + ip += 2; + break; + + case 8: + stack.pop(); + stack.push(input.substring(stack[stack.length - 1], peg$currPos)); + ip++; + break; + + case 9: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + + if (stack[stack.length - 1]) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + + break; + + case 10: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + + if (stack[stack.length - 1] === peg$FAILED) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + + break; + + case 11: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + + if (stack[stack.length - 1] !== peg$FAILED) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + + break; + + case 12: + if (stack[stack.length - 1] !== peg$FAILED) { + ends.push(end); + ips.push(ip); + + end = ip + 2 + bc[ip + 1]; + ip += 2; + } else { + ip += 2 + bc[ip + 1]; + } + + break; + + case 13: + ends.push(end); + ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]); + + if (input.length > peg$currPos) { + end = ip + 3 + bc[ip + 1]; + ip += 3; + } else { + end = ip + 3 + bc[ip + 1] + bc[ip + 2]; + ip += 3 + bc[ip + 1]; + } + + break; + + case 14: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + + if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length) === peg$consts[bc[ip + 1]]) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + + break; + + case 15: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + + if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length).toLowerCase() === peg$consts[bc[ip + 1]]) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + + break; + + case 16: + ends.push(end); + ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]); + + if (peg$consts[bc[ip + 1]].test(input.charAt(peg$currPos))) { + end = ip + 4 + bc[ip + 2]; + ip += 4; + } else { + end = ip + 4 + bc[ip + 2] + bc[ip + 3]; + ip += 4 + bc[ip + 2]; + } + + break; + + case 17: + stack.push(input.substr(peg$currPos, bc[ip + 1])); + peg$currPos += bc[ip + 1]; + ip += 2; + break; + + case 18: + stack.push(peg$consts[bc[ip + 1]]); + peg$currPos += peg$consts[bc[ip + 1]].length; + ip += 2; + break; + + case 19: + stack.push(peg$FAILED); + if (peg$silentFails === 0) { + peg$fail(peg$consts[bc[ip + 1]]); + } + ip += 2; + break; + + case 20: + peg$reportedPos = stack[stack.length - 1 - bc[ip + 1]]; + ip += 2; + break; + + case 21: + peg$reportedPos = peg$currPos; + ip++; + break; + + case 22: + params = bc.slice(ip + 4, ip + 4 + bc[ip + 3]); + for (i = 0; i < bc[ip + 3]; i++) { + params[i] = stack[stack.length - 1 - params[i]]; + } + + stack.splice( + stack.length - bc[ip + 2], + bc[ip + 2], + peg$consts[bc[ip + 1]].apply(null, params) + ); + + ip += 4 + bc[ip + 3]; + break; + + case 23: + stack.push(peg$parseRule(bc[ip + 1])); + ip += 2; + break; + + case 24: + peg$silentFails++; + ip++; + break; + + case 25: + peg$silentFails--; + ip++; + break; + + default: + throw new Error("Invalid opcode: " + bc[ip] + "."); + } + } + + if (ends.length > 0) { + end = ends.pop(); + ip = ips.pop(); + } else { + break; + } + } + + return stack[0]; + } + + + options.data = {}; // Object to which header attributes will be assigned during parsing + + function list (first, rest) { + return [first].concat(rest); + } + + + peg$result = peg$parseRule(peg$startRuleIndex); + + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail({ type: "end", description: "end of input" }); + } + + throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos); + } + } + + return { + SyntaxError: SyntaxError, + parse: parse + }; +})(); +},{}],12:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview Hacks - This file contains all of the things we + * wish we didn't have to do, just for interop. It is similar to + * Utils, which provides actually useful and relevant functions for + * a SIP library. Methods in this file are grouped by vendor, so + * as to most easily track when particular hacks may not be necessary anymore. + */ + +module.exports = function (SIP) { + +//keep to quiet jshint, and remain consistent with other files +SIP = SIP; + +var Hacks = { + AllBrowsers: { + maskDtls: function (sdp) { + if (sdp) { + sdp = sdp.replace(/ UDP\/TLS\/RTP\/SAVP/gmi, " RTP/SAVP"); + } + return sdp; + }, + unmaskDtls: function (sdp) { + /** + * Chrome does not handle DTLS correctly (Canaray does, but not production) + * keeping Chrome as SDES until DTLS is fixed (comment out 'is_opera' condition) + * + * UPDATE: May 21, 2014 + * Chrome 35 now properly defaults to DTLS. Only Opera remains using SDES + * + * UPDATE: 2014-09-24 + * Opera now supports DTLS by default as well. + * + **/ + return sdp.replace(/ RTP\/SAVP/gmi, " UDP/TLS/RTP/SAVP"); + } + }, + Firefox: { + /* Condition to detect if hacks are applicable */ + isFirefox: function () { + return typeof mozRTCPeerConnection !== 'undefined'; + }, + + cannotHandleExtraWhitespace: function (sdp) { + if (this.isFirefox() && sdp) { + sdp = sdp.replace(/ \r\n/g, "\r\n"); + } + return sdp; + }, + + hasMissingCLineInSDP: function (sdp) { + /* + * This is a Firefox hack to insert valid sdp when getDescription is + * called with the constraint offerToReceiveVideo = false. + * We search for either a c-line at the top of the sdp above all + * m-lines. If that does not exist then we search for a c-line + * beneath each m-line. If it is missing a c-line, we insert + * a fake c-line with the ip address 0.0.0.0. This is then valid + * sdp and no media will be sent for that m-line. + * + * Valid SDP is: + * m= + * i= + * c= + */ + var insertAt, mlines; + if (sdp.indexOf('c=') > sdp.indexOf('m=')) { + + // Find all m= lines + mlines = sdp.match(/m=.*\r\n.*/g); + for (var i=0; i= 0) { + insertAt = sdp.indexOf(mlines[i].toString())+mlines[i].toString().length; + if (sdp.substr(insertAt,2)!=='c=') { + sdp = sdp.substr(0,insertAt) + '\r\nc=IN IP4 0.0.0.0' + sdp.substr(insertAt); + } + + // else add the C line if it's missing + } else if (mlines[i].toString().search(/c=.*/) < 0) { + insertAt = sdp.indexOf(mlines[i].toString().match(/.*/))+mlines[i].toString().match(/.*/).toString().length; + sdp = sdp.substr(0,insertAt) + '\r\nc=IN IP4 0.0.0.0' + sdp.substr(insertAt); + } + } + } + return sdp; + }, + }, + + Chrome: { + needsExplicitlyInactiveSDP: function (sdp) { + var sub, index; + + if (Hacks.Firefox.isFirefox()) { // Fix this in Firefox before sending + index = sdp.indexOf('m=video 0'); + if (index !== -1) { + sub = sdp.substr(index); + sub = sub.replace(/\r\nc=IN IP4.*\r\n$/, + '\r\nc=IN IP4 0.0.0.0\r\na=inactive\r\n'); + return sdp.substr(0, index) + sub; + } + } + return sdp; + }, + + getsConfusedAboutGUM: function (session) { + if (session.mediaHandler) { + session.mediaHandler.close(); + } + } + } +}; +return Hacks; +}; + +},{}],13:[function(require,module,exports){ +"use strict"; +var levels = { + 'error': 0, + 'warn': 1, + 'log': 2, + 'debug': 3 +}; + +module.exports = function (console) { + +var LoggerFactory = function () { + var logger, + level = 2, + builtinEnabled = true, + connector = null; + + this.loggers = {}; + + logger = this.getLogger('sip.loggerfactory'); + + + Object.defineProperties(this, { + builtinEnabled: { + get: function(){ return builtinEnabled; }, + set: function(value){ + if (typeof value === 'boolean') { + builtinEnabled = value; + } else { + logger.error('invalid "builtinEnabled" parameter value: '+ JSON.stringify(value)); + } + } + }, + + level: { + get: function() {return level; }, + set: function(value) { + if (value >= 0 && value <=3) { + level = value; + } else if (value > 3) { + level = 3; + } else if (levels.hasOwnProperty(value)) { + level = levels[value]; + } else { + logger.error('invalid "level" parameter value: '+ JSON.stringify(value)); + } + } + }, + + connector: { + get: function() {return connector; }, + set: function(value){ + if(value === null || value === "" || value === undefined) { + connector = null; + } else if (typeof value === 'function') { + connector = value; + } else { + logger.error('invalid "connector" parameter value: '+ JSON.stringify(value)); + } + } + } + }); +}; + +LoggerFactory.prototype.print = function(target, category, label, content) { + if (typeof content === 'string') { + var prefix = [new Date(), category]; + if (label) { + prefix.push(label); + } + content = prefix.concat(content).join(' | '); + } + target.call(console, content); +}; + +function Logger (logger, category, label) { + this.logger = logger; + this.category = category; + this.label = label; +} + +Object.keys(levels).forEach(function (targetName) { + Logger.prototype[targetName] = function (content) { + this.logger[targetName](this.category, this.label, content); + }; + + LoggerFactory.prototype[targetName] = function (category, label, content) { + if (this.level >= levels[targetName]) { + if (this.builtinEnabled) { + this.print(console[targetName], category, label, content); + } + + if (this.connector) { + this.connector(targetName, category, label, content); + } + } + }; +}); + +LoggerFactory.prototype.getLogger = function(category, label) { + var logger; + + if (label && this.level === 3) { + return new Logger(this, category, label); + } else if (this.loggers[category]) { + return this.loggers[category]; + } else { + logger = new Logger(this, category); + this.loggers[category] = logger; + return logger; + } +}; + +return LoggerFactory; +}; + +},{}],14:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview MediaHandler + */ + +/* MediaHandler + * @class PeerConnection helper Class. + * @param {SIP.Session} session + * @param {Object} [options] + */ +module.exports = function (EventEmitter) { +var MediaHandler = function(session, options) { + // keep jshint happy + session = session; + options = options; +}; + +MediaHandler.prototype = Object.create(EventEmitter.prototype, { + isReady: {value: function isReady () {}}, + + close: {value: function close () {}}, + + /** + * @param {Object} [mediaHint] A custom object describing the media to be used during this session. + */ + getDescription: {value: function getDescription (mediaHint) { + // keep jshint happy + mediaHint = mediaHint; + }}, + + /** + * Check if a SIP message contains a session description. + * @param {SIP.SIPMessage} message + * @returns {boolean} + */ + hasDescription: {value: function hasDescription (message) { + // keep jshint happy + message = message; + }}, + + /** + * Set the session description contained in a SIP message. + * @param {SIP.SIPMessage} message + * @returns {Promise} + */ + setDescription: {value: function setDescription (message) { + // keep jshint happy + message = message; + }} +}); + +return MediaHandler; +}; + +},{}],15:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP NameAddrHeader + */ + +/** + * @augments SIP + * @class Class creating a Name Address SIP header. + * + * @param {SIP.URI} uri + * @param {String} [displayName] + * @param {Object} [parameters] + * + */ +module.exports = function (SIP) { +var NameAddrHeader; + +NameAddrHeader = function(uri, displayName, parameters) { + var param; + + // Checks + if(!uri || !(uri instanceof SIP.URI)) { + throw new TypeError('missing or invalid "uri" parameter'); + } + + // Initialize parameters + this.uri = uri; + this.parameters = {}; + + for (param in parameters) { + this.setParam(param, parameters[param]); + } + + Object.defineProperties(this, { + friendlyName: { + get: function() { return this.displayName || uri.aor; } + }, + + displayName: { + get: function() { return displayName; }, + set: function(value) { + displayName = (value === 0) ? '0' : value; + } + } + }); +}; +NameAddrHeader.prototype = { + setParam: function (key, value) { + if(key) { + this.parameters[key.toLowerCase()] = (typeof value === 'undefined' || value === null) ? null : value.toString(); + } + }, + getParam: SIP.URI.prototype.getParam, + hasParam: SIP.URI.prototype.hasParam, + deleteParam: SIP.URI.prototype.deleteParam, + clearParams: SIP.URI.prototype.clearParams, + + clone: function() { + return new NameAddrHeader( + this.uri.clone(), + this.displayName, + JSON.parse(JSON.stringify(this.parameters))); + }, + + toString: function() { + var body, parameter; + + body = (this.displayName || this.displayName === 0) ? '"' + this.displayName + '" ' : ''; + body += '<' + this.uri.toString() + '>'; + + for (parameter in this.parameters) { + body += ';' + parameter; + + if (this.parameters[parameter] !== null) { + body += '='+ this.parameters[parameter]; + } + } + + return body; + } +}; + + +/** + * Parse the given string and returns a SIP.NameAddrHeader instance or undefined if + * it is an invalid NameAddrHeader. + * @public + * @param {String} name_addr_header + */ +NameAddrHeader.parse = function(name_addr_header) { + name_addr_header = SIP.Grammar.parse(name_addr_header,'Name_Addr_Header'); + + if (name_addr_header !== -1) { + return name_addr_header; + } else { + return undefined; + } +}; + +SIP.NameAddrHeader = NameAddrHeader; +}; + +},{}],16:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP Message Parser + */ + +/** + * Extract and parse every header of a SIP message. + * @augments SIP + * @namespace + */ +module.exports = function (SIP) { +var Parser; + +function getHeader(data, headerStart) { + var + // 'start' position of the header. + start = headerStart, + // 'end' position of the header. + end = 0, + // 'partial end' position of the header. + partialEnd = 0; + + //End of message. + if (data.substring(start, start + 2).match(/(^\r\n)/)) { + return -2; + } + + while(end === 0) { + // Partial End of Header. + partialEnd = data.indexOf('\r\n', start); + + // 'indexOf' returns -1 if the value to be found never occurs. + if (partialEnd === -1) { + return partialEnd; + } + + if(!data.substring(partialEnd + 2, partialEnd + 4).match(/(^\r\n)/) && data.charAt(partialEnd + 2).match(/(^\s+)/)) { + // Not the end of the message. Continue from the next position. + start = partialEnd + 2; + } else { + end = partialEnd; + } + } + + return end; +} + +function parseHeader(message, data, headerStart, headerEnd) { + var header, idx, length, parsed, + hcolonIndex = data.indexOf(':', headerStart), + headerName = data.substring(headerStart, hcolonIndex).trim(), + headerValue = data.substring(hcolonIndex + 1, headerEnd).trim(); + + // If header-field is well-known, parse it. + switch(headerName.toLowerCase()) { + case 'via': + case 'v': + message.addHeader('via', headerValue); + if(message.getHeaders('via').length === 1) { + parsed = message.parseHeader('Via'); + if(parsed) { + message.via = parsed; + message.via_branch = parsed.branch; + } + } else { + parsed = 0; + } + break; + case 'from': + case 'f': + message.setHeader('from', headerValue); + parsed = message.parseHeader('from'); + if(parsed) { + message.from = parsed; + message.from_tag = parsed.getParam('tag'); + } + break; + case 'to': + case 't': + message.setHeader('to', headerValue); + parsed = message.parseHeader('to'); + if(parsed) { + message.to = parsed; + message.to_tag = parsed.getParam('tag'); + } + break; + case 'record-route': + parsed = SIP.Grammar.parse(headerValue, 'Record_Route'); + + if (parsed === -1) { + parsed = undefined; + break; + } + + length = parsed.length; + for (idx = 0; idx < length; idx++) { + header = parsed[idx]; + message.addHeader('record-route', headerValue.substring(header.position, header.offset)); + message.headers['Record-Route'][message.getHeaders('record-route').length - 1].parsed = header.parsed; + } + break; + case 'call-id': + case 'i': + message.setHeader('call-id', headerValue); + parsed = message.parseHeader('call-id'); + if(parsed) { + message.call_id = headerValue; + } + break; + case 'contact': + case 'm': + parsed = SIP.Grammar.parse(headerValue, 'Contact'); + + if (parsed === -1) { + parsed = undefined; + break; + } + + length = parsed.length; + for (idx = 0; idx < length; idx++) { + header = parsed[idx]; + message.addHeader('contact', headerValue.substring(header.position, header.offset)); + message.headers['Contact'][message.getHeaders('contact').length - 1].parsed = header.parsed; + } + break; + case 'content-length': + case 'l': + message.setHeader('content-length', headerValue); + parsed = message.parseHeader('content-length'); + break; + case 'content-type': + case 'c': + message.setHeader('content-type', headerValue); + parsed = message.parseHeader('content-type'); + break; + case 'cseq': + message.setHeader('cseq', headerValue); + parsed = message.parseHeader('cseq'); + if(parsed) { + message.cseq = parsed.value; + } + if(message instanceof SIP.IncomingResponse) { + message.method = parsed.method; + } + break; + case 'max-forwards': + message.setHeader('max-forwards', headerValue); + parsed = message.parseHeader('max-forwards'); + break; + case 'www-authenticate': + message.setHeader('www-authenticate', headerValue); + parsed = message.parseHeader('www-authenticate'); + break; + case 'proxy-authenticate': + message.setHeader('proxy-authenticate', headerValue); + parsed = message.parseHeader('proxy-authenticate'); + break; + case 'refer-to': + case 'r': + message.setHeader('refer-to', headerValue); + parsed = message.parseHeader('refer-to'); + if (parsed) { + message.refer_to = parsed; + } + break; + default: + // Do not parse this header. + message.setHeader(headerName, headerValue); + parsed = 0; + } + + if (parsed === undefined) { + return { + error: 'error parsing header "'+ headerName +'"' + }; + } else { + return true; + } +} + +/** Parse SIP Message + * @function + * @param {String} message SIP message. + * @param {Object} logger object. + * @returns {SIP.IncomingRequest|SIP.IncomingResponse|undefined} + */ +Parser = {}; +Parser.parseMessage = function(data, ua) { + var message, firstLine, contentLength, bodyStart, parsed, + headerStart = 0, + headerEnd = data.indexOf('\r\n'), + logger = ua.getLogger('sip.parser'); + + if(headerEnd === -1) { + logger.warn('no CRLF found, not a SIP message, discarded'); + return; + } + + // Parse first line. Check if it is a Request or a Reply. + firstLine = data.substring(0, headerEnd); + parsed = SIP.Grammar.parse(firstLine, 'Request_Response'); + + if(parsed === -1) { + logger.warn('error parsing first line of SIP message: "' + firstLine + '"'); + return; + } else if(!parsed.status_code) { + message = new SIP.IncomingRequest(ua); + message.method = parsed.method; + message.ruri = parsed.uri; + } else { + message = new SIP.IncomingResponse(ua); + message.status_code = parsed.status_code; + message.reason_phrase = parsed.reason_phrase; + } + + message.data = data; + headerStart = headerEnd + 2; + + /* Loop over every line in data. Detect the end of each header and parse + * it or simply add to the headers collection. + */ + while(true) { + headerEnd = getHeader(data, headerStart); + + // The SIP message has normally finished. + if(headerEnd === -2) { + bodyStart = headerStart + 2; + break; + } + // data.indexOf returned -1 due to a malformed message. + else if(headerEnd === -1) { + logger.error('malformed message'); + return; + } + + parsed = parseHeader(message, data, headerStart, headerEnd); + + if(parsed !== true) { + logger.error(parsed.error); + return; + } + + headerStart = headerEnd + 2; + } + + /* RFC3261 18.3. + * If there are additional bytes in the transport packet + * beyond the end of the body, they MUST be discarded. + */ + if(message.hasHeader('content-length')) { + contentLength = message.getHeader('content-length'); + message.body = data.substr(bodyStart, contentLength); + } else { + message.body = data.substring(bodyStart); + } + + return message; +}; + +SIP.Parser = Parser; +}; + +},{}],17:[function(require,module,exports){ +"use strict"; +module.exports = function (SIP) { + +var RegisterContext; + +RegisterContext = function (ua) { + var params = {}, + regId = 1; + + this.registrar = ua.configuration.registrarServer; + this.expires = ua.configuration.registerExpires; + + + // Contact header + this.contact = ua.contact.toString(); + + if(regId) { + this.contact += ';reg-id='+ regId; + this.contact += ';+sip.instance=""'; + } + + // Call-ID and CSeq values RFC3261 10.2 + this.call_id = SIP.Utils.createRandomToken(22); + this.cseq = 80; + + this.to_uri = ua.configuration.uri; + + params.to_uri = this.to_uri; + params.to_displayName = ua.configuration.displayName; + params.call_id = this.call_id; + params.cseq = this.cseq; + + // Extends ClientContext + SIP.Utils.augment(this, SIP.ClientContext, [ua, 'REGISTER', this.registrar, {params: params}]); + + this.registrationTimer = null; + this.registrationExpiredTimer = null; + + // Set status + this.registered = false; + + this.logger = ua.getLogger('sip.registercontext'); +}; + +RegisterContext.prototype = { + register: function (options) { + var self = this, extraHeaders; + + // Handle Options + this.options = options || {}; + extraHeaders = (this.options.extraHeaders || []).slice(); + extraHeaders.push('Contact: ' + this.contact + ';expires=' + this.expires); + extraHeaders.push('Allow: ' + SIP.UA.C.ALLOWED_METHODS.toString()); + + // Save original extraHeaders to be used in .close + this.closeHeaders = this.options.closeWithHeaders ? + (this.options.extraHeaders || []).slice() : []; + + this.receiveResponse = function(response) { + var contact, expires, + contacts = response.getHeaders('contact').length, + cause; + + // Discard responses to older REGISTER/un-REGISTER requests. + if(response.cseq !== this.cseq) { + return; + } + + // Clear registration timer + if (this.registrationTimer !== null) { + SIP.Timers.clearTimeout(this.registrationTimer); + this.registrationTimer = null; + } + + switch(true) { + case /^1[0-9]{2}$/.test(response.status_code): + this.emit('progress', response); + break; + case /^2[0-9]{2}$/.test(response.status_code): + this.emit('accepted', response); + + if(response.hasHeader('expires')) { + expires = response.getHeader('expires'); + } + + if (this.registrationExpiredTimer !== null) { + SIP.Timers.clearTimeout(this.registrationExpiredTimer); + this.registrationExpiredTimer = null; + } + + // Search the Contact pointing to us and update the expires value accordingly. + if (!contacts) { + this.logger.warn('no Contact header in response to REGISTER, response ignored'); + break; + } + + while(contacts--) { + contact = response.parseHeader('contact', contacts); + if(contact.uri.user === this.ua.contact.uri.user) { + expires = contact.getParam('expires'); + break; + } else { + contact = null; + } + } + + if (!contact) { + this.logger.warn('no Contact header pointing to us, response ignored'); + break; + } + + if(!expires) { + expires = this.expires; + } + + // Re-Register before the expiration interval has elapsed. + // For that, decrease the expires value. ie: 3 seconds + this.registrationTimer = SIP.Timers.setTimeout(function() { + self.registrationTimer = null; + self.register(self.options); + }, (expires * 1000) - 3000); + this.registrationExpiredTimer = SIP.Timers.setTimeout(function () { + self.logger.warn('registration expired'); + if (self.registered) { + self.unregistered(null, SIP.C.causes.EXPIRES); + } + }, expires * 1000); + + //Save gruu values + if (contact.hasParam('temp-gruu')) { + this.ua.contact.temp_gruu = SIP.URI.parse(contact.getParam('temp-gruu').replace(/"/g,'')); + } + if (contact.hasParam('pub-gruu')) { + this.ua.contact.pub_gruu = SIP.URI.parse(contact.getParam('pub-gruu').replace(/"/g,'')); + } + + this.registered = true; + this.emit('registered', response || null); + break; + // Interval too brief RFC3261 10.2.8 + case /^423$/.test(response.status_code): + if(response.hasHeader('min-expires')) { + // Increase our registration interval to the suggested minimum + this.expires = response.getHeader('min-expires'); + // Attempt the registration again immediately + this.register(this.options); + } else { //This response MUST contain a Min-Expires header field + this.logger.warn('423 response received for REGISTER without Min-Expires'); + this.registrationFailure(response, SIP.C.causes.SIP_FAILURE_CODE); + } + break; + default: + cause = SIP.Utils.sipErrorCause(response.status_code); + this.registrationFailure(response, cause); + } + }; + + this.onRequestTimeout = function() { + this.registrationFailure(null, SIP.C.causes.REQUEST_TIMEOUT); + }; + + this.onTransportError = function() { + this.registrationFailure(null, SIP.C.causes.CONNECTION_ERROR); + }; + + this.cseq++; + this.request.cseq = this.cseq; + this.request.setHeader('cseq', this.cseq + ' REGISTER'); + this.request.extraHeaders = extraHeaders; + this.send(); + }, + + registrationFailure: function (response, cause) { + this.emit('failed', response || null, cause || null); + }, + + onTransportClosed: function() { + this.registered_before = this.registered; + if (this.registrationTimer !== null) { + SIP.Timers.clearTimeout(this.registrationTimer); + this.registrationTimer = null; + } + + if (this.registrationExpiredTimer !== null) { + SIP.Timers.clearTimeout(this.registrationExpiredTimer); + this.registrationExpiredTimer = null; + } + + if(this.registered) { + this.unregistered(null, SIP.C.causes.CONNECTION_ERROR); + } + }, + + onTransportConnected: function() { + this.register(this.options); + }, + + close: function() { + var options = { + all: false, + extraHeaders: this.closeHeaders + }; + + this.registered_before = this.registered; + this.unregister(options); + }, + + unregister: function(options) { + var extraHeaders; + + options = options || {}; + + if(!this.registered && !options.all) { + this.logger.warn('already unregistered'); + return; + } + + extraHeaders = (options.extraHeaders || []).slice(); + + this.registered = false; + + // Clear the registration timer. + if (this.registrationTimer !== null) { + SIP.Timers.clearTimeout(this.registrationTimer); + this.registrationTimer = null; + } + + if(options.all) { + extraHeaders.push('Contact: *'); + extraHeaders.push('Expires: 0'); + } else { + extraHeaders.push('Contact: '+ this.contact + ';expires=0'); + } + + + this.receiveResponse = function(response) { + var cause; + + switch(true) { + case /^1[0-9]{2}$/.test(response.status_code): + this.emit('progress', response); + break; + case /^2[0-9]{2}$/.test(response.status_code): + this.emit('accepted', response); + if (this.registrationExpiredTimer !== null) { + SIP.Timers.clearTimeout(this.registrationExpiredTimer); + this.registrationExpiredTimer = null; + } + this.unregistered(response); + break; + default: + cause = SIP.Utils.sipErrorCause(response.status_code); + this.unregistered(response,cause); + } + }; + + this.onRequestTimeout = function() { + // Not actually unregistered... + //this.unregistered(null, SIP.C.causes.REQUEST_TIMEOUT); + }; + + this.onTransportError = function() { + // Not actually unregistered... + //this.unregistered(null, SIP.C.causes.CONNECTION_ERROR); + }; + + this.cseq++; + this.request.cseq = this.cseq; + this.request.setHeader('cseq', this.cseq + ' REGISTER'); + this.request.extraHeaders = extraHeaders; + + this.send(); + }, + + unregistered: function(response, cause) { + this.registered = false; + this.emit('unregistered', response || null, cause || null); + } + +}; + + +SIP.RegisterContext = RegisterContext; +}; + +},{}],18:[function(require,module,exports){ +"use strict"; + +/** + * @fileoverview Request Sender + */ + +/** + * @augments SIP + * @class Class creating a request sender. + * @param {Object} applicant + * @param {SIP.UA} ua + */ +module.exports = function (SIP) { +var RequestSender; + +RequestSender = function(applicant, ua) { + this.logger = ua.getLogger('sip.requestsender'); + this.ua = ua; + this.applicant = applicant; + this.method = applicant.request.method; + this.request = applicant.request; + this.credentials = null; + this.challenged = false; + this.staled = false; + + // If ua is in closing process or even closed just allow sending Bye and ACK + if (ua.status === SIP.UA.C.STATUS_USER_CLOSED && (this.method !== SIP.C.BYE || this.method !== SIP.C.ACK)) { + this.onTransportError(); + } +}; + +/** +* Create the client transaction and send the message. +*/ +RequestSender.prototype = { + send: function() { + switch(this.method) { + case "INVITE": + this.clientTransaction = new SIP.Transactions.InviteClientTransaction(this, this.request, this.ua.transport); + break; + case "ACK": + this.clientTransaction = new SIP.Transactions.AckClientTransaction(this, this.request, this.ua.transport); + break; + default: + this.clientTransaction = new SIP.Transactions.NonInviteClientTransaction(this, this.request, this.ua.transport); + } + this.clientTransaction.send(); + + return this.clientTransaction; + }, + + /** + * Callback fired when receiving a request timeout error from the client transaction. + * To be re-defined by the applicant. + * @event + */ + onRequestTimeout: function() { + this.applicant.onRequestTimeout(); + }, + + /** + * Callback fired when receiving a transport error from the client transaction. + * To be re-defined by the applicant. + * @event + */ + onTransportError: function() { + this.applicant.onTransportError(); + }, + + /** + * Called from client transaction when receiving a correct response to the request. + * Authenticate request if needed or pass the response back to the applicant. + * @param {SIP.IncomingResponse} response + */ + receiveResponse: function(response) { + var cseq, challenge, authorization_header_name, + status_code = response.status_code; + + /* + * Authentication + * Authenticate once. _challenged_ flag used to avoid infinite authentications. + */ + if (status_code === 401 || status_code === 407) { + + // Get and parse the appropriate WWW-Authenticate or Proxy-Authenticate header. + if (response.status_code === 401) { + challenge = response.parseHeader('www-authenticate'); + authorization_header_name = 'authorization'; + } else { + challenge = response.parseHeader('proxy-authenticate'); + authorization_header_name = 'proxy-authorization'; + } + + // Verify it seems a valid challenge. + if (! challenge) { + this.logger.warn(response.status_code + ' with wrong or missing challenge, cannot authenticate'); + this.applicant.receiveResponse(response); + return; + } + + if (!this.challenged || (!this.staled && challenge.stale === true)) { + if (!this.credentials) { + this.credentials = this.ua.configuration.authenticationFactory(this.ua); + } + + // Verify that the challenge is really valid. + if (!this.credentials.authenticate(this.request, challenge)) { + this.applicant.receiveResponse(response); + return; + } + this.challenged = true; + + if (challenge.stale) { + this.staled = true; + } + + if (response.method === SIP.C.REGISTER) { + cseq = this.applicant.cseq += 1; + } else if (this.request.dialog){ + cseq = this.request.dialog.local_seqnum += 1; + } else { + cseq = this.request.cseq + 1; + this.request.cseq = cseq; + } + this.request.setHeader('cseq', cseq +' '+ this.method); + + this.request.setHeader(authorization_header_name, this.credentials.toString()); + this.send(); + } else { + this.applicant.receiveResponse(response); + } + } else { + this.applicant.receiveResponse(response); + } + } +}; + +SIP.RequestSender = RequestSender; +}; + +},{}],19:[function(require,module,exports){ +/** + * @name SIP + * @namespace + */ +"use strict"; + +module.exports = function (environment) { + +var pkg = require('../package.json'), + version = pkg.version, + title = pkg.title; + +var SIP = Object.defineProperties({}, { + version: { + get: function(){ return version; } + }, + name: { + get: function(){ return title; } + } +}); + +require('./Utils')(SIP, environment); +SIP.LoggerFactory = require('./LoggerFactory')(environment.console); +SIP.EventEmitter = require('./EventEmitter')(environment.console); +SIP.C = require('./Constants')(SIP.name, SIP.version); +SIP.Exceptions = require('./Exceptions'); +SIP.Timers = require('./Timers')(environment.timers); +SIP.Transport = environment.Transport(SIP, environment.WebSocket); +require('./Parser')(SIP); +require('./SIPMessage')(SIP); +require('./URI')(SIP); +require('./NameAddrHeader')(SIP); +require('./Transactions')(SIP); +require('./Dialogs')(SIP); +require('./RequestSender')(SIP); +require('./RegisterContext')(SIP); +SIP.MediaHandler = require('./MediaHandler')(SIP.EventEmitter); +require('./ClientContext')(SIP); +require('./ServerContext')(SIP); +require('./Session')(SIP, environment); +require('./Subscription')(SIP); +SIP.WebRTC = require('./WebRTC')(SIP, environment); +require('./UA')(SIP, environment); +SIP.Hacks = require('./Hacks')(SIP); +require('./SanityCheck')(SIP); +SIP.DigestAuthentication = require('./DigestAuthentication')(SIP.Utils); +SIP.Grammar = require('./Grammar')(SIP); + +return SIP; +}; + +},{"../package.json":2,"./ClientContext":3,"./Constants":4,"./Dialogs":6,"./DigestAuthentication":7,"./EventEmitter":8,"./Exceptions":9,"./Grammar":10,"./Hacks":12,"./LoggerFactory":13,"./MediaHandler":14,"./NameAddrHeader":15,"./Parser":16,"./RegisterContext":17,"./RequestSender":18,"./SIPMessage":20,"./SanityCheck":21,"./ServerContext":22,"./Session":23,"./Subscription":25,"./Timers":26,"./Transactions":27,"./UA":29,"./URI":30,"./Utils":31,"./WebRTC":32}],20:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP Message + */ + +module.exports = function (SIP) { +var + OutgoingRequest, + IncomingMessage, + IncomingRequest, + IncomingResponse; + +function getSupportedHeader (request) { + var allowUnregistered = request.ua.configuration.hackAllowUnregisteredOptionTags; + var optionTags = []; + var optionTagSet = {}; + + if (request.method === SIP.C.REGISTER) { + optionTags.push('path', 'gruu'); + } else if (request.method === SIP.C.INVITE && + (request.ua.contact.pub_gruu || request.ua.contact.temp_gruu)) { + optionTags.push('gruu'); + } + + if (request.ua.configuration.rel100 === SIP.C.supported.SUPPORTED) { + optionTags.push('100rel'); + } + if (request.ua.configuration.replaces === SIP.C.supported.SUPPORTED) { + optionTags.push('replaces'); + } + + optionTags.push('outbound'); + + optionTags = optionTags.concat(request.ua.configuration.extraSupported); + + optionTags = optionTags.filter(function(optionTag) { + var registered = SIP.C.OPTION_TAGS[optionTag]; + var unique = !optionTagSet[optionTag]; + optionTagSet[optionTag] = true; + return (registered || allowUnregistered) && unique; + }); + + return 'Supported: ' + optionTags.join(', ') + '\r\n'; +} + +/** + * @augments SIP + * @class Class for outgoing SIP request. + * @param {String} method request method + * @param {String} ruri request uri + * @param {SIP.UA} ua + * @param {Object} params parameters that will have priority over ua.configuration parameters: + *
+ * - cseq, call_id, from_tag, from_uri, from_displayName, to_uri, to_tag, route_set + * @param {Object} [headers] extra headers + * @param {String} [body] + */ +OutgoingRequest = function(method, ruri, ua, params, extraHeaders, body) { + var + to, + from, + call_id, + cseq, + to_uri, + from_uri; + + params = params || {}; + + // Mandatory parameters check + if(!method || !ruri || !ua) { + return null; + } + + this.logger = ua.getLogger('sip.sipmessage'); + this.ua = ua; + this.headers = {}; + this.method = method; + this.ruri = ruri; + this.body = body; + this.extraHeaders = (extraHeaders || []).slice(); + this.statusCode = params.status_code; + this.reasonPhrase = params.reason_phrase; + + // Fill the Common SIP Request Headers + + // Route + if (params.route_set) { + this.setHeader('route', params.route_set); + } else if (ua.configuration.usePreloadedRoute){ + this.setHeader('route', ua.transport.server.sip_uri); + } + + // Via + // Empty Via header. Will be filled by the client transaction. + this.setHeader('via', ''); + + // Max-Forwards + this.setHeader('max-forwards', SIP.UA.C.MAX_FORWARDS); + + // To + to_uri = params.to_uri || ruri; + to = (params.to_displayName || params.to_displayName === 0) ? '"' + params.to_displayName + '" ' : ''; + to += '<' + (to_uri && to_uri.toRaw ? to_uri.toRaw() : to_uri) + '>'; + to += params.to_tag ? ';tag=' + params.to_tag : ''; + this.to = new SIP.NameAddrHeader.parse(to); + this.setHeader('to', to); + + // From + from_uri = params.from_uri || ua.configuration.uri; + if (params.from_displayName || params.from_displayName === 0) { + from = '"' + params.from_displayName + '" '; + } else if (ua.configuration.displayName) { + from = '"' + ua.configuration.displayName + '" '; + } else { + from = ''; + } + from += '<' + (from_uri && from_uri.toRaw ? from_uri.toRaw() : from_uri) + '>;tag='; + from += params.from_tag || SIP.Utils.newTag(); + this.from = new SIP.NameAddrHeader.parse(from); + this.setHeader('from', from); + + // Call-ID + call_id = params.call_id || (ua.configuration.sipjsId + SIP.Utils.createRandomToken(15)); + this.call_id = call_id; + this.setHeader('call-id', call_id); + + // CSeq + cseq = params.cseq || Math.floor(Math.random() * 10000); + this.cseq = cseq; + this.setHeader('cseq', cseq + ' ' + method); +}; + +OutgoingRequest.prototype = { + /** + * Replace the the given header by the given value. + * @param {String} name header name + * @param {String | Array} value header value + */ + setHeader: function(name, value) { + this.headers[SIP.Utils.headerize(name)] = (value instanceof Array) ? value : [value]; + }, + + /** + * Get the value of the given header name at the given position. + * @param {String} name header name + * @returns {String|undefined} Returns the specified header, undefined if header doesn't exist. + */ + getHeader: function(name) { + var regexp, idx, + length = this.extraHeaders.length, + header = this.headers[SIP.Utils.headerize(name)]; + + if(header) { + if(header[0]) { + return header[0]; + } + } else { + regexp = new RegExp('^\\s*' + name + '\\s*:','i'); + for (idx = 0; idx < length; idx++) { + header = this.extraHeaders[idx]; + if (regexp.test(header)) { + return header.substring(header.indexOf(':')+1).trim(); + } + } + } + + return; + }, + + /** + * Get the header/s of the given name. + * @param {String} name header name + * @returns {Array} Array with all the headers of the specified name. + */ + getHeaders: function(name) { + var idx, length, regexp, + header = this.headers[SIP.Utils.headerize(name)], + result = []; + + if(header) { + length = header.length; + for (idx = 0; idx < length; idx++) { + result.push(header[idx]); + } + return result; + } else { + length = this.extraHeaders.length; + regexp = new RegExp('^\\s*' + name + '\\s*:','i'); + for (idx = 0; idx < length; idx++) { + header = this.extraHeaders[idx]; + if (regexp.test(header)) { + result.push(header.substring(header.indexOf(':')+1).trim()); + } + } + return result; + } + }, + + /** + * Verify the existence of the given header. + * @param {String} name header name + * @returns {boolean} true if header with given name exists, false otherwise + */ + hasHeader: function(name) { + var regexp, idx, + length = this.extraHeaders.length; + + if (this.headers[SIP.Utils.headerize(name)]) { + return true; + } else { + regexp = new RegExp('^\\s*' + name + '\\s*:','i'); + for (idx = 0; idx < length; idx++) { + if (regexp.test(this.extraHeaders[idx])) { + return true; + } + } + } + + return false; + }, + + toString: function() { + var msg = '', header, length, idx; + + msg += this.method + ' ' + (this.ruri.toRaw ? this.ruri.toRaw() : this.ruri) + ' SIP/2.0\r\n'; + + for (header in this.headers) { + length = this.headers[header].length; + for (idx = 0; idx < length; idx++) { + msg += header + ': ' + this.headers[header][idx] + '\r\n'; + } + } + + length = this.extraHeaders.length; + for (idx = 0; idx < length; idx++) { + msg += this.extraHeaders[idx].trim() +'\r\n'; + } + + msg += getSupportedHeader(this); + msg += 'User-Agent: ' + this.ua.configuration.userAgentString +'\r\n'; + + if (this.body) { + if (typeof this.body === 'string') { + length = SIP.Utils.str_utf8_length(this.body); + msg += 'Content-Length: ' + length + '\r\n\r\n'; + msg += this.body; + } else { + if (this.body.body && this.body.contentType) { + length = SIP.Utils.str_utf8_length(this.body.body); + msg += 'Content-Type: ' + this.body.contentType + '\r\n'; + msg += 'Content-Length: ' + length + '\r\n\r\n'; + msg += this.body.body; + } else { + msg += 'Content-Length: ' + 0 + '\r\n\r\n'; + } + } + } else { + msg += 'Content-Length: ' + 0 + '\r\n\r\n'; + } + + return msg; + } +}; + +/** + * @augments SIP + * @class Class for incoming SIP message. + */ +IncomingMessage = function(){ + this.data = null; + this.headers = null; + this.method = null; + this.via = null; + this.via_branch = null; + this.call_id = null; + this.cseq = null; + this.from = null; + this.from_tag = null; + this.to = null; + this.to_tag = null; + this.body = null; +}; + +IncomingMessage.prototype = { + /** + * Insert a header of the given name and value into the last position of the + * header array. + * @param {String} name header name + * @param {String} value header value + */ + addHeader: function(name, value) { + var header = { raw: value }; + + name = SIP.Utils.headerize(name); + + if(this.headers[name]) { + this.headers[name].push(header); + } else { + this.headers[name] = [header]; + } + }, + + /** + * Get the value of the given header name at the given position. + * @param {String} name header name + * @returns {String|undefined} Returns the specified header, null if header doesn't exist. + */ + getHeader: function(name) { + var header = this.headers[SIP.Utils.headerize(name)]; + + if(header) { + if(header[0]) { + return header[0].raw; + } + } else { + return; + } + }, + + /** + * Get the header/s of the given name. + * @param {String} name header name + * @returns {Array} Array with all the headers of the specified name. + */ + getHeaders: function(name) { + var idx, length, + header = this.headers[SIP.Utils.headerize(name)], + result = []; + + if(!header) { + return []; + } + + length = header.length; + for (idx = 0; idx < length; idx++) { + result.push(header[idx].raw); + } + + return result; + }, + + /** + * Verify the existence of the given header. + * @param {String} name header name + * @returns {boolean} true if header with given name exists, false otherwise + */ + hasHeader: function(name) { + return(this.headers[SIP.Utils.headerize(name)]) ? true : false; + }, + + /** + * Parse the given header on the given index. + * @param {String} name header name + * @param {Number} [idx=0] header index + * @returns {Object|undefined} Parsed header object, undefined if the header is not present or in case of a parsing error. + */ + parseHeader: function(name, idx) { + var header, value, parsed; + + name = SIP.Utils.headerize(name); + + idx = idx || 0; + + if(!this.headers[name]) { + this.logger.log('header "' + name + '" not present'); + return; + } else if(idx >= this.headers[name].length) { + this.logger.log('not so many "' + name + '" headers present'); + return; + } + + header = this.headers[name][idx]; + value = header.raw; + + if(header.parsed) { + return header.parsed; + } + + //substitute '-' by '_' for grammar rule matching. + parsed = SIP.Grammar.parse(value, name.replace(/-/g, '_')); + + if(parsed === -1) { + this.headers[name].splice(idx, 1); //delete from headers + this.logger.warn('error parsing "' + name + '" header field with value "' + value + '"'); + return; + } else { + header.parsed = parsed; + return parsed; + } + }, + + /** + * Message Header attribute selector. Alias of parseHeader. + * @param {String} name header name + * @param {Number} [idx=0] header index + * @returns {Object|undefined} Parsed header object, undefined if the header is not present or in case of a parsing error. + * + * @example + * message.s('via',3).port + */ + s: function(name, idx) { + return this.parseHeader(name, idx); + }, + + /** + * Replace the value of the given header by the value. + * @param {String} name header name + * @param {String} value header value + */ + setHeader: function(name, value) { + var header = { raw: value }; + this.headers[SIP.Utils.headerize(name)] = [header]; + }, + + toString: function() { + return this.data; + } +}; + +/** + * @augments IncomingMessage + * @class Class for incoming SIP request. + */ +IncomingRequest = function(ua) { + this.logger = ua.getLogger('sip.sipmessage'); + this.ua = ua; + this.headers = {}; + this.ruri = null; + this.transport = null; + this.server_transaction = null; +}; +IncomingRequest.prototype = new IncomingMessage(); + +/** +* Stateful reply. +* @param {Number} code status code +* @param {String} reason reason phrase +* @param {Object} headers extra headers +* @param {String} body body +* @param {Function} [onSuccess] onSuccess callback +* @param {Function} [onFailure] onFailure callback +*/ +IncomingRequest.prototype.reply = function(code, reason, extraHeaders, body, onSuccess, onFailure) { + var rr, vias, length, idx, response, + to = this.getHeader('To'), + r = 0, + v = 0; + + response = SIP.Utils.buildStatusLine(code, reason); + extraHeaders = (extraHeaders || []).slice(); + + if(this.method === SIP.C.INVITE && code > 100 && code <= 200) { + rr = this.getHeaders('record-route'); + length = rr.length; + + for(r; r < length; r++) { + response += 'Record-Route: ' + rr[r] + '\r\n'; + } + } + + vias = this.getHeaders('via'); + length = vias.length; + + for(v; v < length; v++) { + response += 'Via: ' + vias[v] + '\r\n'; + } + + if(!this.to_tag && code > 100) { + to += ';tag=' + SIP.Utils.newTag(); + } else if(this.to_tag && !this.s('to').hasParam('tag')) { + to += ';tag=' + this.to_tag; + } + + response += 'To: ' + to + '\r\n'; + response += 'From: ' + this.getHeader('From') + '\r\n'; + response += 'Call-ID: ' + this.call_id + '\r\n'; + response += 'CSeq: ' + this.cseq + ' ' + this.method + '\r\n'; + + length = extraHeaders.length; + for (idx = 0; idx < length; idx++) { + response += extraHeaders[idx].trim() +'\r\n'; + } + + response += getSupportedHeader(this); + response += 'User-Agent: ' + this.ua.configuration.userAgentString +'\r\n'; + + if (body) { + if (typeof body === 'string') { + length = SIP.Utils.str_utf8_length(body); + response += 'Content-Type: application/sdp\r\n'; + response += 'Content-Length: ' + length + '\r\n\r\n'; + response += body; + } else { + if (body.body && body.contentType) { + length = SIP.Utils.str_utf8_length(body.body); + response += 'Content-Type: ' + body.contentType + '\r\n'; + response += 'Content-Length: ' + length + '\r\n\r\n'; + response += body.body; + } else { + response += 'Content-Length: ' + 0 + '\r\n\r\n'; + } + } + } else { + response += 'Content-Length: ' + 0 + '\r\n\r\n'; + } + + this.server_transaction.receiveResponse(code, response).then(onSuccess, onFailure); + + return response; +}; + +/** +* Stateless reply. +* @param {Number} code status code +* @param {String} reason reason phrase +*/ +IncomingRequest.prototype.reply_sl = function(code, reason) { + var to, response, + v = 0, + vias = this.getHeaders('via'), + length = vias.length; + + response = SIP.Utils.buildStatusLine(code, reason); + + for(v; v < length; v++) { + response += 'Via: ' + vias[v] + '\r\n'; + } + + to = this.getHeader('To'); + + if(!this.to_tag && code > 100) { + to += ';tag=' + SIP.Utils.newTag(); + } else if(this.to_tag && !this.s('to').hasParam('tag')) { + to += ';tag=' + this.to_tag; + } + + response += 'To: ' + to + '\r\n'; + response += 'From: ' + this.getHeader('From') + '\r\n'; + response += 'Call-ID: ' + this.call_id + '\r\n'; + response += 'CSeq: ' + this.cseq + ' ' + this.method + '\r\n'; + response += 'User-Agent: ' + this.ua.configuration.userAgentString +'\r\n'; + response += 'Content-Length: ' + 0 + '\r\n\r\n'; + + this.transport.send(response); +}; + + +/** + * @augments IncomingMessage + * @class Class for incoming SIP response. + */ +IncomingResponse = function(ua) { + this.logger = ua.getLogger('sip.sipmessage'); + this.headers = {}; + this.status_code = null; + this.reason_phrase = null; +}; +IncomingResponse.prototype = new IncomingMessage(); + +SIP.OutgoingRequest = OutgoingRequest; +SIP.IncomingRequest = IncomingRequest; +SIP.IncomingResponse = IncomingResponse; +}; + +},{}],21:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview Incoming SIP Message Sanity Check + */ + +/** + * SIP message sanity check. + * @augments SIP + * @function + * @param {SIP.IncomingMessage} message + * @param {SIP.UA} ua + * @param {SIP.Transport} transport + * @returns {Boolean} + */ +module.exports = function (SIP) { +var sanityCheck, + requests = [], + responses = [], + all = []; + +// Reply +function reply(status_code, message, transport) { + var to, + response = SIP.Utils.buildStatusLine(status_code), + vias = message.getHeaders('via'), + length = vias.length, + idx = 0; + + for(idx; idx < length; idx++) { + response += "Via: " + vias[idx] + "\r\n"; + } + + to = message.getHeader('To'); + + if(!message.to_tag) { + to += ';tag=' + SIP.Utils.newTag(); + } + + response += "To: " + to + "\r\n"; + response += "From: " + message.getHeader('From') + "\r\n"; + response += "Call-ID: " + message.call_id + "\r\n"; + response += "CSeq: " + message.cseq + " " + message.method + "\r\n"; + response += "\r\n"; + + transport.send(response); +} + +/* + * Sanity Check for incoming Messages + * + * Requests: + * - _rfc3261_8_2_2_1_ Receive a Request with a non supported URI scheme + * - _rfc3261_16_3_4_ Receive a Request already sent by us + * Does not look at via sent-by but at sipjsId, which is inserted as + * a prefix in all initial requests generated by the ua + * - _rfc3261_18_3_request_ Body Content-Length + * - _rfc3261_8_2_2_2_ Merged Requests + * + * Responses: + * - _rfc3261_8_1_3_3_ Multiple Via headers + * - _rfc3261_18_1_2_ sent-by mismatch + * - _rfc3261_18_3_response_ Body Content-Length + * + * All: + * - Minimum headers in a SIP message + */ + +// Sanity Check functions for requests +function rfc3261_8_2_2_1(message, ua, transport) { + if(!message.ruri || message.ruri.scheme !== 'sip') { + reply(416, message, transport); + return false; + } +} + +function rfc3261_16_3_4(message, ua, transport) { + if(!message.to_tag) { + if(message.call_id.substr(0, 5) === ua.configuration.sipjsId) { + reply(482, message, transport); + return false; + } + } +} + +function rfc3261_18_3_request(message, ua, transport) { + var len = SIP.Utils.str_utf8_length(message.body), + contentLength = message.getHeader('content-length'); + + if(len < contentLength) { + reply(400, message, transport); + return false; + } +} + +function rfc3261_8_2_2_2(message, ua, transport) { + var tr, idx, + fromTag = message.from_tag, + call_id = message.call_id, + cseq = message.cseq; + + if(!message.to_tag) { + if(message.method === SIP.C.INVITE) { + tr = ua.transactions.ist[message.via_branch]; + if(tr) { + return; + } else { + for(idx in ua.transactions.ist) { + tr = ua.transactions.ist[idx]; + if(tr.request.from_tag === fromTag && tr.request.call_id === call_id && tr.request.cseq === cseq) { + reply(482, message, transport); + return false; + } + } + } + } else { + tr = ua.transactions.nist[message.via_branch]; + if(tr) { + return; + } else { + for(idx in ua.transactions.nist) { + tr = ua.transactions.nist[idx]; + if(tr.request.from_tag === fromTag && tr.request.call_id === call_id && tr.request.cseq === cseq) { + reply(482, message, transport); + return false; + } + } + } + } + } +} + +// Sanity Check functions for responses +function rfc3261_8_1_3_3(message, ua) { + if(message.getHeaders('via').length > 1) { + ua.getLogger('sip.sanitycheck').warn('More than one Via header field present in the response. Dropping the response'); + return false; + } +} + +function rfc3261_18_1_2(message, ua) { + var viaHost = ua.configuration.viaHost; + if(message.via.host !== viaHost || message.via.port !== undefined) { + ua.getLogger('sip.sanitycheck').warn('Via sent-by in the response does not match UA Via host value. Dropping the response'); + return false; + } +} + +function rfc3261_18_3_response(message, ua) { + var + len = SIP.Utils.str_utf8_length(message.body), + contentLength = message.getHeader('content-length'); + + if(len < contentLength) { + ua.getLogger('sip.sanitycheck').warn('Message body length is lower than the value in Content-Length header field. Dropping the response'); + return false; + } +} + +// Sanity Check functions for requests and responses +function minimumHeaders(message, ua) { + var + mandatoryHeaders = ['from', 'to', 'call_id', 'cseq', 'via'], + idx = mandatoryHeaders.length; + + while(idx--) { + if(!message.hasHeader(mandatoryHeaders[idx])) { + ua.getLogger('sip.sanitycheck').warn('Missing mandatory header field : '+ mandatoryHeaders[idx] +'. Dropping the response'); + return false; + } + } +} + +requests.push(rfc3261_8_2_2_1); +requests.push(rfc3261_16_3_4); +requests.push(rfc3261_18_3_request); +requests.push(rfc3261_8_2_2_2); + +responses.push(rfc3261_8_1_3_3); +responses.push(rfc3261_18_1_2); +responses.push(rfc3261_18_3_response); + +all.push(minimumHeaders); + +sanityCheck = function(message, ua, transport) { + var len, pass; + + len = all.length; + while(len--) { + pass = all[len](message, ua, transport); + if(pass === false) { + return false; + } + } + + if(message instanceof SIP.IncomingRequest) { + len = requests.length; + while(len--) { + pass = requests[len](message, ua, transport); + if(pass === false) { + return false; + } + } + } + + else if(message instanceof SIP.IncomingResponse) { + len = responses.length; + while(len--) { + pass = responses[len](message, ua, transport); + if(pass === false) { + return false; + } + } + } + + //Everything is OK + return true; +}; + +SIP.sanityCheck = sanityCheck; +}; + +},{}],22:[function(require,module,exports){ +"use strict"; +module.exports = function (SIP) { +var ServerContext; + +ServerContext = function (ua, request) { + this.ua = ua; + this.logger = ua.getLogger('sip.servercontext'); + this.request = request; + if (request.method === SIP.C.INVITE) { + this.transaction = new SIP.Transactions.InviteServerTransaction(request, ua); + } else { + this.transaction = new SIP.Transactions.NonInviteServerTransaction(request, ua); + } + + if (request.body) { + this.body = request.body; + } + if (request.hasHeader('Content-Type')) { + this.contentType = request.getHeader('Content-Type'); + } + this.method = request.method; + + this.data = {}; + + this.localIdentity = request.to; + this.remoteIdentity = request.from; +}; + +ServerContext.prototype = Object.create(SIP.EventEmitter.prototype); + +ServerContext.prototype.progress = function (options) { + options = Object.create(options || Object.prototype); + options.statusCode || (options.statusCode = 180); + options.minCode = 100; + options.maxCode = 199; + options.events = ['progress']; + return this.reply(options); +}; + +ServerContext.prototype.accept = function (options) { + options = Object.create(options || Object.prototype); + options.statusCode || (options.statusCode = 200); + options.minCode = 200; + options.maxCode = 299; + options.events = ['accepted']; + return this.reply(options); +}; + +ServerContext.prototype.reject = function (options) { + options = Object.create(options || Object.prototype); + options.statusCode || (options.statusCode = 480); + options.minCode = 300; + options.maxCode = 699; + options.events = ['rejected', 'failed']; + return this.reply(options); +}; + +ServerContext.prototype.reply = function (options) { + options = options || {}; // This is okay, so long as we treat options as read-only in this method + var + statusCode = options.statusCode || 100, + minCode = options.minCode || 100, + maxCode = options.maxCode || 699, + reasonPhrase = SIP.Utils.getReasonPhrase(statusCode, options.reasonPhrase), + extraHeaders = options.extraHeaders || [], + body = options.body, + events = options.events || [], + response; + + if (statusCode < minCode || statusCode > maxCode) { + throw new TypeError('Invalid statusCode: ' + statusCode); + } + response = this.request.reply(statusCode, reasonPhrase, extraHeaders, body); + events.forEach(function (event) { + this.emit(event, response, reasonPhrase); + }, this); + + return this; +}; + +ServerContext.prototype.onRequestTimeout = function () { + this.emit('failed', null, SIP.C.causes.REQUEST_TIMEOUT); +}; + +ServerContext.prototype.onTransportError = function () { + this.emit('failed', null, SIP.C.causes.CONNECTION_ERROR); +}; + +SIP.ServerContext = ServerContext; +}; + +},{}],23:[function(require,module,exports){ +"use strict"; +module.exports = function (SIP, environment) { + +var DTMF = require('./Session/DTMF')(SIP); + +var Session, InviteServerContext, InviteClientContext, + C = { + //Session states + STATUS_NULL: 0, + STATUS_INVITE_SENT: 1, + STATUS_1XX_RECEIVED: 2, + STATUS_INVITE_RECEIVED: 3, + STATUS_WAITING_FOR_ANSWER: 4, + STATUS_ANSWERED: 5, + STATUS_WAITING_FOR_PRACK: 6, + STATUS_WAITING_FOR_ACK: 7, + STATUS_CANCELED: 8, + STATUS_TERMINATED: 9, + STATUS_ANSWERED_WAITING_FOR_PRACK: 10, + STATUS_EARLY_MEDIA: 11, + STATUS_CONFIRMED: 12 + }; + +/* + * @param {function returning SIP.MediaHandler} [mediaHandlerFactory] + * (See the documentation for the mediaHandlerFactory argument of the UA constructor.) + */ +Session = function (mediaHandlerFactory) { + this.status = C.STATUS_NULL; + this.dialog = null; + this.earlyDialogs = {}; + this.mediaHandlerFactory = mediaHandlerFactory || SIP.WebRTC.MediaHandler.defaultFactory; + // this.mediaHandler gets set by ICC/ISC constructors + this.hasOffer = false; + this.hasAnswer = false; + + // Session Timers + this.timers = { + ackTimer: null, + expiresTimer: null, + invite2xxTimer: null, + userNoAnswerTimer: null, + rel1xxTimer: null, + prackTimer: null + }; + + // Session info + this.startTime = null; + this.endTime = null; + this.tones = null; + + // Mute/Hold state + this.local_hold = false; + this.remote_hold = false; + + this.pending_actions = { + actions: [], + + length: function() { + return this.actions.length; + }, + + isPending: function(name){ + var + idx = 0, + length = this.actions.length; + + for (idx; idx 0) { dtmfs.push(new DTMF(this, tones.shift(), options)); } + + if (this.tones) { + // Tones are already queued, just add to the queue + this.tones = this.tones.concat(dtmfs); + return this; + } + + var sendDTMF = function () { + var dtmf, timeout; + + if (self.status === C.STATUS_TERMINATED || !self.tones || self.tones.length === 0) { + // Stop sending DTMF + self.tones = null; + return this; + } + + dtmf = self.tones.shift(); + + if (tone === ',') { + timeout = 2000; + } else { + dtmf.on('failed', function(){self.tones = null;}); + dtmf.send(options); + timeout = dtmf.duration + dtmf.interToneGap; + } + + // Set timeout for the next tone + SIP.Timers.setTimeout(sendDTMF, timeout); + }; + + this.tones = dtmfs; + sendDTMF(); + return this; + }, + + bye: function(options) { + options = Object.create(options || Object.prototype); + var statusCode = options.statusCode; + + // Check Session Status + if (this.status === C.STATUS_TERMINATED) { + this.logger.error('Error: Attempted to send BYE in a terminated session.'); + return this; + } + + this.logger.log('terminating Session'); + + if (statusCode && (statusCode < 200 || statusCode >= 700)) { + throw new TypeError('Invalid statusCode: '+ statusCode); + } + + options.receiveResponse = function () {}; + + return this. + sendRequest(SIP.C.BYE, options). + terminated(); + }, + + refer: function(target, options) { + options = options || {}; + var extraHeaders = (options.extraHeaders || []).slice(), + withReplaces = + target instanceof SIP.InviteServerContext || + target instanceof SIP.InviteClientContext, + originalTarget = target; + + if (target === undefined) { + throw new TypeError('Not enough arguments'); + } + + // Check Session Status + if (this.status !== C.STATUS_CONFIRMED) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + // transform `target` so that it can be a Refer-To header value + if (withReplaces) { + //Attended Transfer + // B.transfer(C) + target = '"' + target.remoteIdentity.friendlyName + '" ' + + '<' + target.dialog.remote_target.toString() + + '?Replaces=' + target.dialog.id.call_id + + '%3Bto-tag%3D' + target.dialog.id.remote_tag + + '%3Bfrom-tag%3D' + target.dialog.id.local_tag + '>'; + } else { + //Blind Transfer + // normalizeTarget allows instances of SIP.URI to pass through unaltered, + // so try to make one ahead of time + try { + target = SIP.Grammar.parse(target, 'Refer_To').uri || target; + } catch (e) { + this.logger.debug(".refer() cannot parse Refer_To from", target); + this.logger.debug("...falling through to normalizeTarget()"); + } + + // Check target validity + target = this.ua.normalizeTarget(target); + if (!target) { + throw new TypeError('Invalid target: ' + originalTarget); + } + } + + extraHeaders.push('Contact: '+ this.contact); + extraHeaders.push('Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString()); + extraHeaders.push('Refer-To: '+ target); + + // Send the request + this.sendRequest(SIP.C.REFER, { + extraHeaders: extraHeaders, + body: options.body, + receiveResponse: function (response) { + if ( ! /^2[0-9]{2}$/.test(response.status_code) ) { + return; + } + // hang up only if we transferred to a SIP address + if (withReplaces || (target.scheme && target.scheme.match("^sips?$"))) { + this.terminate(); + } + }.bind(this) + }); + return this; + }, + + followRefer: function followRefer (callback) { + return function referListener (callback, request) { + // open non-SIP URIs if possible and keep session open + var referTo = request.parseHeader('refer-to'); + var target = referTo.uri; + if (!target.scheme.match("^sips?$")) { + var targetString = target.toString(); + if (typeof environment.open === "function") { + environment.open(targetString); + } else { + this.logger.warn("referred to non-SIP URI but `open` isn't in the environment: " + targetString); + } + return; + } + + var extraHeaders = []; + + /* Copy the Replaces query into a Replaces header */ + /* TODO - make sure we don't copy a poorly formatted header? */ + var replaces = target.getHeader('Replaces'); + if (replaces !== undefined) { + extraHeaders.push('Replaces: ' + decodeURIComponent(replaces)); + } + + // don't embed headers into Request-URI of INVITE + target.clearHeaders(); + + /* + Harmless race condition. Both sides of REFER + may send a BYE, but in the end the dialogs are destroyed. + */ + var getReferMedia = this.mediaHandler.getReferMedia; + var mediaHint = getReferMedia ? getReferMedia.call(this.mediaHandler) : this.mediaHint; + + SIP.Hacks.Chrome.getsConfusedAboutGUM(this); + + var referSession = this.ua.invite(target, { + media: mediaHint, + params: { + to_displayName: referTo.friendlyName + }, + extraHeaders: extraHeaders + }); + + callback.call(this, request, referSession); + + this.terminate(); + }.bind(this, callback); + }, + + sendRequest: function(method,options) { + options = options || {}; + var self = this; + + var request = new SIP.OutgoingRequest( + method, + this.dialog.remote_target, + this.ua, + { + cseq: options.cseq || (this.dialog.local_seqnum += 1), + call_id: this.dialog.id.call_id, + from_uri: this.dialog.local_uri, + from_tag: this.dialog.id.local_tag, + to_uri: this.dialog.remote_uri, + to_tag: this.dialog.id.remote_tag, + route_set: this.dialog.route_set, + statusCode: options.statusCode, + reasonPhrase: options.reasonPhrase + }, + options.extraHeaders || [], + options.body + ); + + new SIP.RequestSender({ + request: request, + onRequestTimeout: function() { + self.onRequestTimeout(); + }, + onTransportError: function() { + self.onTransportError(); + }, + receiveResponse: options.receiveResponse || function(response) { + self.receiveNonInviteResponse(response); + } + }, this.ua).send(); + + // Emit the request event + this.emit(method.toLowerCase(), request); + + return this; + }, + + close: function() { + var idx; + + if(this.status === C.STATUS_TERMINATED) { + return this; + } + + this.logger.log('closing INVITE session ' + this.id); + + // 1st Step. Terminate media. + if (this.mediaHandler){ + this.mediaHandler.close(); + } + + // 2nd Step. Terminate signaling. + + // Clear session timers + for(idx in this.timers) { + SIP.Timers.clearTimeout(this.timers[idx]); + } + + // Terminate dialogs + + // Terminate confirmed dialog + if(this.dialog) { + this.dialog.terminate(); + delete this.dialog; + } + + // Terminate early dialogs + for(idx in this.earlyDialogs) { + this.earlyDialogs[idx].terminate(); + delete this.earlyDialogs[idx]; + } + + this.status = C.STATUS_TERMINATED; + + delete this.ua.sessions[this.id]; + return this; + }, + + createDialog: function(message, type, early) { + var dialog, early_dialog, + local_tag = message[(type === 'UAS') ? 'to_tag' : 'from_tag'], + remote_tag = message[(type === 'UAS') ? 'from_tag' : 'to_tag'], + id = message.call_id + local_tag + remote_tag; + + early_dialog = this.earlyDialogs[id]; + + // Early Dialog + if (early) { + if (early_dialog) { + return true; + } else { + early_dialog = new SIP.Dialog(this, message, type, SIP.Dialog.C.STATUS_EARLY); + + // Dialog has been successfully created. + if(early_dialog.error) { + this.logger.error(early_dialog.error); + this.failed(message, SIP.C.causes.INTERNAL_ERROR); + return false; + } else { + this.earlyDialogs[id] = early_dialog; + return true; + } + } + } + // Confirmed Dialog + else { + // In case the dialog is in _early_ state, update it + if (early_dialog) { + early_dialog.update(message, type); + this.dialog = early_dialog; + delete this.earlyDialogs[id]; + for (var dia in this.earlyDialogs) { + this.earlyDialogs[dia].terminate(); + delete this.earlyDialogs[dia]; + } + return true; + } + + // Otherwise, create a _confirmed_ dialog + dialog = new SIP.Dialog(this, message, type); + + if(dialog.error) { + this.logger.error(dialog.error); + this.failed(message, SIP.C.causes.INTERNAL_ERROR); + return false; + } else { + this.to_tag = message.to_tag; + this.dialog = dialog; + return true; + } + } + }, + + /** + * Check if Session is ready for a re-INVITE + * + * @returns {Boolean} + */ + isReadyToReinvite: function() { + return this.mediaHandler.isReady() && + !this.dialog.uac_pending_reply && + !this.dialog.uas_pending_reply; + }, + + /** + * Mute + */ + mute: function(options) { + var ret = this.mediaHandler.mute(options); + if (ret) { + this.onmute(ret); + } + }, + + /** + * Unmute + */ + unmute: function(options) { + var ret = this.mediaHandler.unmute(options); + if (ret) { + this.onunmute(ret); + } + }, + + /** + * Hold + */ + hold: function(options) { + + if (this.status !== C.STATUS_WAITING_FOR_ACK && this.status !== C.STATUS_CONFIRMED) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + this.mediaHandler.hold(); + + // Check if RTCSession is ready to send a reINVITE + if (!this.isReadyToReinvite()) { + /* If there is a pending 'unhold' action, cancel it and don't queue this one + * Else, if there isn't any 'hold' action, add this one to the queue + * Else, if there is already a 'hold' action, skip + */ + if (this.pending_actions.isPending('unhold')) { + this.pending_actions.pop('unhold'); + } else if (!this.pending_actions.isPending('hold')) { + this.pending_actions.push('hold'); + } + return; + } else if (this.local_hold === true) { + return; + } + + this.onhold('local'); + + this.sendReinvite(options); + }, + + /** + * Unhold + */ + unhold: function(options) { + + if (this.status !== C.STATUS_WAITING_FOR_ACK && this.status !== C.STATUS_CONFIRMED) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + this.mediaHandler.unhold(); + + if (!this.isReadyToReinvite()) { + /* If there is a pending 'hold' action, cancel it and don't queue this one + * Else, if there isn't any 'unhold' action, add this one to the queue + * Else, if there is already a 'unhold' action, skip + */ + if (this.pending_actions.isPending('hold')) { + this.pending_actions.pop('hold'); + } else if (!this.pending_actions.isPending('unhold')) { + this.pending_actions.push('unhold'); + } + return; + } else if (this.local_hold === false) { + return; + } + + this.onunhold('local'); + + this.sendReinvite(options); + }, + + /** + * isOnHold + */ + isOnHold: function() { + return { + local: this.local_hold, + remote: this.remote_hold + }; + }, + + /** + * In dialog INVITE Reception + * @private + */ + receiveReinvite: function(request) { + var self = this; + + if (!this.mediaHandler.hasDescription(request)) { + this.logger.warn('invalid Content-Type'); + request.reply(415); + return; + } + + this.mediaHandler.setDescription(request) + .then(this.mediaHandler.getDescription.bind(this.mediaHandler, this.mediaHint)) + .then(function(description) { + var extraHeaders = ['Contact: ' + self.contact]; + request.reply(200, null, extraHeaders, description, + function() { + self.status = C.STATUS_WAITING_FOR_ACK; + self.setInvite2xxTimer(request, description); + self.setACKTimer(); + + if (self.remote_hold && !self.mediaHandler.remote_hold) { + self.onunhold('remote'); + } else if (!self.remote_hold && self.mediaHandler.remote_hold) { + self.onhold('remote'); + } + }); + }) + .catch(function onFailure (e) { + var statusCode; + if (e instanceof SIP.Exceptions.GetDescriptionError) { + statusCode = 500; + } else { + self.logger.error(e); + statusCode = 488; + } + request.reply(statusCode); + }); + }, + + sendReinvite: function(options) { + options = options || {}; + + var + self = this, + extraHeaders = (options.extraHeaders || []).slice(), + eventHandlers = options.eventHandlers || {}, + succeeded; + + if (eventHandlers.succeeded) { + succeeded = eventHandlers.succeeded; + } + this.reinviteSucceeded = function(){ + SIP.Timers.clearTimeout(self.timers.ackTimer); + SIP.Timers.clearTimeout(self.timers.invite2xxTimer); + self.status = C.STATUS_CONFIRMED; + succeeded && succeeded.apply(this, arguments); + }; + if (eventHandlers.failed) { + this.reinviteFailed = eventHandlers.failed; + } else { + this.reinviteFailed = function(){}; + } + + extraHeaders.push('Contact: ' + this.contact); + extraHeaders.push('Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString()); + + this.receiveResponse = this.receiveReinviteResponse; + //REVISIT + this.mediaHandler.getDescription(self.mediaHint) + .then( + function(description){ + self.dialog.sendRequest(self, SIP.C.INVITE, { + extraHeaders: extraHeaders, + body: description + }); + }, + function() { + if (self.isReadyToReinvite()) { + self.onReadyToReinvite(); + } + self.reinviteFailed(); + } + ); + }, + + receiveRequest: function (request) { + switch (request.method) { + case SIP.C.BYE: + request.reply(200); + if(this.status === C.STATUS_CONFIRMED) { + this.emit('bye', request); + this.terminated(request, SIP.C.causes.BYE); + } + break; + case SIP.C.INVITE: + if(this.status === C.STATUS_CONFIRMED) { + this.logger.log('re-INVITE received'); + this.receiveReinvite(request); + } + break; + case SIP.C.INFO: + if(this.status === C.STATUS_CONFIRMED || this.status === C.STATUS_WAITING_FOR_ACK) { + if (this.onInfo) { + return this.onInfo(request); + } + + var body, tone, duration, + contentType = request.getHeader('content-type'), + reg_tone = /^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/, + reg_duration = /^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/; + + if (contentType) { + if (contentType.match(/^application\/dtmf-relay/i)) { + if (request.body) { + body = request.body.split('\r\n', 2); + if (body.length === 2) { + if (reg_tone.test(body[0])) { + tone = body[0].replace(reg_tone,"$2"); + } + if (reg_duration.test(body[1])) { + duration = parseInt(body[1].replace(reg_duration,"$2"), 10); + } + } + } + + new DTMF(this, tone, {duration: duration}).init_incoming(request); + } else { + request.reply(415, null, ["Accept: application/dtmf-relay"]); + } + } + } + break; + case SIP.C.REFER: + if(this.status === C.STATUS_CONFIRMED) { + this.logger.log('REFER received'); + var hasReferListener = this.listeners('refer').length, + notifyBody; + + if (hasReferListener) { + request.reply(202, 'Accepted'); + notifyBody = 'SIP/2.0 100 Trying'; + + this.sendRequest(SIP.C.NOTIFY, { + extraHeaders:[ + 'Event: refer', + 'Subscription-State: terminated', + 'Content-Type: message/sipfrag' + ], + body: notifyBody, + receiveResponse: function() {} + }); + + this.emit('refer', request); + } else { + // RFC 3515.2.4.2: 'the UA MAY decline the request.' + request.reply(603, 'Declined'); + } + } + break; + case SIP.C.NOTIFY: + request.reply(200, 'OK'); + this.emit('notify', request); + break; + } + }, + + /** + * Reception of Response for in-dialog INVITE + * @private + */ + receiveReinviteResponse: function(response) { + var self = this; + + if (this.status === C.STATUS_TERMINATED) { + return; + } + + switch(true) { + case /^1[0-9]{2}$/.test(response.status_code): + break; + case /^2[0-9]{2}$/.test(response.status_code): + this.status = C.STATUS_CONFIRMED; + + this.sendRequest(SIP.C.ACK,{cseq:response.cseq}); + + if (!this.mediaHandler.hasDescription(response)) { + this.reinviteFailed(); + break; + } + + //REVISIT + this.mediaHandler.setDescription(response) + .then( + function onSuccess () { + self.reinviteSucceeded(); + }, + function onFailure () { + self.reinviteFailed(); + } + ); + break; + default: + this.reinviteFailed(); + } + }, + + acceptAndTerminate: function(response, status_code, reason_phrase) { + var extraHeaders = []; + + if (status_code) { + extraHeaders.push('Reason: ' + SIP.Utils.getReasonHeaderValue(status_code, reason_phrase)); + } + + // An error on dialog creation will fire 'failed' event + if (this.dialog || this.createDialog(response, 'UAC')) { + this.sendRequest(SIP.C.ACK,{cseq: response.cseq}); + this.sendRequest(SIP.C.BYE, { + extraHeaders: extraHeaders + }); + } + + return this; + }, + + /** + * RFC3261 13.3.1.4 + * Response retransmissions cannot be accomplished by transaction layer + * since it is destroyed when receiving the first 2xx answer + */ + setInvite2xxTimer: function(request, description) { + var self = this, + timeout = SIP.Timers.T1; + + this.timers.invite2xxTimer = SIP.Timers.setTimeout(function invite2xxRetransmission() { + if (self.status !== C.STATUS_WAITING_FOR_ACK) { + return; + } + + self.logger.log('no ACK received, attempting to retransmit OK'); + + var extraHeaders = ['Contact: ' + self.contact]; + + request.reply(200, null, extraHeaders, description); + + timeout = Math.min(timeout * 2, SIP.Timers.T2); + + self.timers.invite2xxTimer = SIP.Timers.setTimeout(invite2xxRetransmission, timeout); + }, timeout); + }, + + /** + * RFC3261 14.2 + * If a UAS generates a 2xx response and never receives an ACK, + * it SHOULD generate a BYE to terminate the dialog. + */ + setACKTimer: function() { + var self = this; + + this.timers.ackTimer = SIP.Timers.setTimeout(function() { + if(self.status === C.STATUS_WAITING_FOR_ACK) { + self.logger.log('no ACK received for an extended period of time, terminating the call'); + SIP.Timers.clearTimeout(self.timers.invite2xxTimer); + self.sendRequest(SIP.C.BYE); + self.terminated(null, SIP.C.causes.NO_ACK); + } + }, SIP.Timers.TIMER_H); + }, + + /* + * @private + */ + onReadyToReinvite: function() { + var action = this.pending_actions.shift(); + + if (!action || !this[action.name]) { + return; + } + + this[action.name](); + }, + + onTransportError: function() { + if (this.status !== C.STATUS_CONFIRMED && this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.CONNECTION_ERROR); + } + }, + + onRequestTimeout: function() { + if (this.status === C.STATUS_CONFIRMED) { + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } else if (this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.REQUEST_TIMEOUT); + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } + }, + + onDialogError: function(response) { + if (this.status === C.STATUS_CONFIRMED) { + this.terminated(response, SIP.C.causes.DIALOG_ERROR); + } else if (this.status !== C.STATUS_TERMINATED) { + this.failed(response, SIP.C.causes.DIALOG_ERROR); + this.terminated(response, SIP.C.causes.DIALOG_ERROR); + } + }, + + /** + * @private + */ + onhold: function(originator) { + this[originator === 'local' ? 'local_hold' : 'remote_hold'] = true; + this.emit('hold', { originator: originator }); + }, + + /** + * @private + */ + onunhold: function(originator) { + this[originator === 'local' ? 'local_hold' : 'remote_hold'] = false; + this.emit('unhold', { originator: originator }); + }, + + /* + * @private + */ + onmute: function(options) { + this.emit('muted', { + audio: options.audio, + video: options.video + }); + }, + + /* + * @private + */ + onunmute: function(options) { + this.emit('unmuted', { + audio: options.audio, + video: options.video + }); + }, + + failed: function(response, cause) { + if (this.status === C.STATUS_TERMINATED) { + return this; + } + this.emit('failed', response || null, cause || null); + return this; + }, + + rejected: function(response, cause) { + this.emit('rejected', + response || null, + cause || null + ); + return this; + }, + + canceled: function() { + this.emit('cancel'); + return this; + }, + + accepted: function(response, cause) { + cause = SIP.Utils.getReasonPhrase(response && response.status_code, cause); + + this.startTime = new Date(); + + if (this.replacee) { + this.replacee.emit('replaced', this); + this.replacee.terminate(); + } + this.emit('accepted', response, cause); + return this; + }, + + terminated: function(message, cause) { + if (this.status === C.STATUS_TERMINATED) { + return this; + } + + this.endTime = new Date(); + + this.close(); + this.emit('terminated', + message || null, + cause || null + ); + return this; + }, + + connecting: function(request) { + this.emit('connecting', { request: request }); + return this; + } +}; + +Session.desugar = function desugar(options) { + if (environment.HTMLMediaElement && options instanceof environment.HTMLMediaElement) { + options = { + media: { + constraints: { + audio: true, + video: options.tagName === 'VIDEO' + }, + render: { + remote: options + } + } + }; + } + return options || {}; +}; + + +Session.C = C; +SIP.Session = Session; + + +InviteServerContext = function(ua, request) { + var expires, + self = this, + contentType = request.getHeader('Content-Type'), + contentDisp = request.parseHeader('Content-Disposition'); + + SIP.Utils.augment(this, SIP.ServerContext, [ua, request]); + SIP.Utils.augment(this, SIP.Session, [ua.configuration.mediaHandlerFactory]); + + //Initialize Media Session + this.mediaHandler = this.mediaHandlerFactory(this, { + RTCConstraints: {"optional": [{'DtlsSrtpKeyAgreement': 'true'}]} + }); + + // Check body and content type + if ((!contentDisp && !this.mediaHandler.hasDescription(request)) || (contentDisp && contentDisp.type === 'render')) { + this.renderbody = request.body; + this.rendertype = contentType; + } else if (!this.mediaHandler.hasDescription(request) && (contentDisp && contentDisp.type === 'session')) { + request.reply(415); + //TODO: instead of 415, pass off to the media handler, who can then decide if we can use it + return; + } + + this.status = C.STATUS_INVITE_RECEIVED; + this.from_tag = request.from_tag; + this.id = request.call_id + this.from_tag; + this.request = request; + this.contact = this.ua.contact.toString(); + + this.receiveNonInviteResponse = function () {}; // intentional no-op + + this.logger = ua.getLogger('sip.inviteservercontext', this.id); + + //Save the session into the ua sessions collection. + this.ua.sessions[this.id] = this; + + //Get the Expires header value if exists + if(request.hasHeader('expires')) { + expires = request.getHeader('expires') * 1000; + } + + //Set 100rel if necessary + function set100rel(h,c) { + if (request.hasHeader(h) && request.getHeader(h).toLowerCase().indexOf('100rel') >= 0) { + self.rel100 = c; + } + } + set100rel('require', SIP.C.supported.REQUIRED); + set100rel('supported', SIP.C.supported.SUPPORTED); + + /* Set the to_tag before + * replying a response code that will create a dialog. + */ + request.to_tag = SIP.Utils.newTag(); + + // An error on dialog creation will fire 'failed' event + if(!this.createDialog(request, 'UAS', true)) { + request.reply(500, 'Missing Contact header field'); + return; + } + + if (this.mediaHandler && this.mediaHandler.getRemoteStreams) { + this.getRemoteStreams = this.mediaHandler.getRemoteStreams.bind(this.mediaHandler); + this.getLocalStreams = this.mediaHandler.getLocalStreams.bind(this.mediaHandler); + } + + function fireNewSession() { + var options = {extraHeaders: ['Contact: ' + self.contact]}; + + if (self.rel100 !== SIP.C.supported.REQUIRED) { + self.progress(options); + } + self.status = C.STATUS_WAITING_FOR_ANSWER; + + // Set userNoAnswerTimer + self.timers.userNoAnswerTimer = SIP.Timers.setTimeout(function() { + request.reply(408); + self.failed(request, SIP.C.causes.NO_ANSWER); + self.terminated(request, SIP.C.causes.NO_ANSWER); + }, self.ua.configuration.noAnswerTimeout); + + /* Set expiresTimer + * RFC3261 13.3.1 + */ + if (expires) { + self.timers.expiresTimer = SIP.Timers.setTimeout(function() { + if(self.status === C.STATUS_WAITING_FOR_ANSWER) { + request.reply(487); + self.failed(request, SIP.C.causes.EXPIRES); + self.terminated(request, SIP.C.causes.EXPIRES); + } + }, expires); + } + + self.emit('invite',request); + } + + if (!this.mediaHandler.hasDescription(request) || this.renderbody) { + SIP.Timers.setTimeout(fireNewSession, 0); + } else { + this.hasOffer = true; + this.mediaHandler.setDescription(request) + .then( + fireNewSession, + function onFailure (e) { + self.logger.warn('invalid description'); + self.logger.warn(e); + request.reply(488); + } + ); + } +}; + +InviteServerContext.prototype = { + reject: function(options) { + // Check Session Status + if (this.status === C.STATUS_TERMINATED) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + this.logger.log('rejecting RTCSession'); + + SIP.ServerContext.prototype.reject.call(this, options); + return this.terminated(); + }, + + terminate: function(options) { + options = options || {}; + + var + extraHeaders = (options.extraHeaders || []).slice(), + body = options.body, + dialog, + self = this; + + if (this.status === C.STATUS_WAITING_FOR_ACK && + this.request.server_transaction.state !== SIP.Transactions.C.STATUS_TERMINATED) { + dialog = this.dialog; + + this.receiveRequest = function(request) { + if (request.method === SIP.C.ACK) { + this.sendRequest(SIP.C.BYE, { + extraHeaders: extraHeaders, + body: body + }); + dialog.terminate(); + } + }; + + this.request.server_transaction.on('stateChanged', function(){ + if (this.state === SIP.Transactions.C.STATUS_TERMINATED && this.dialog) { + this.request = new SIP.OutgoingRequest( + SIP.C.BYE, + this.dialog.remote_target, + this.ua, + { + 'cseq': this.dialog.local_seqnum+=1, + 'call_id': this.dialog.id.call_id, + 'from_uri': this.dialog.local_uri, + 'from_tag': this.dialog.id.local_tag, + 'to_uri': this.dialog.remote_uri, + 'to_tag': this.dialog.id.remote_tag, + 'route_set': this.dialog.route_set + }, + extraHeaders, + body + ); + + new SIP.RequestSender( + { + request: this.request, + onRequestTimeout: function() { + self.onRequestTimeout(); + }, + onTransportError: function() { + self.onTransportError(); + }, + receiveResponse: function() { + return; + } + }, + this.ua + ).send(); + dialog.terminate(); + } + }); + + this.emit('bye', this.request); + this.terminated(); + + // Restore the dialog into 'this' in order to be able to send the in-dialog BYE :-) + this.dialog = dialog; + + // Restore the dialog into 'ua' so the ACK can reach 'this' session + this.ua.dialogs[dialog.id.toString()] = dialog; + + } else if (this.status === C.STATUS_CONFIRMED) { + this.bye(options); + } else { + this.reject(options); + } + + return this; + }, + + /* + * @param {Object} [options.media] gets passed to SIP.MediaHandler.getDescription as mediaHint + */ + progress: function (options) { + options = options || {}; + var + statusCode = options.statusCode || 180, + reasonPhrase = options.reasonPhrase, + extraHeaders = (options.extraHeaders || []).slice(), + iceServers, + stunServers = options.stunServers || null, + turnServers = options.turnServers || null, + body = options.body, + response; + + if (statusCode < 100 || statusCode > 199) { + throw new TypeError('Invalid statusCode: ' + statusCode); + } + + if (this.isCanceled || this.status === C.STATUS_TERMINATED) { + return this; + } + + if (stunServers || turnServers) { + if (stunServers) { + iceServers = this.ua.getConfigurationCheck().optional['stunServers'](stunServers); + if (!iceServers) { + throw new TypeError('Invalid stunServers: '+ stunServers); + } else { + this.stunServers = iceServers; + } + } + + if (turnServers) { + iceServers = this.ua.getConfigurationCheck().optional['turnServers'](turnServers); + if (!iceServers) { + throw new TypeError('Invalid turnServers: '+ turnServers); + } else { + this.turnServers = iceServers; + } + } + + this.mediaHandler.updateIceServers({ + stunServers: this.stunServers, + turnServers: this.turnServers + }); + } + + function do100rel() { + /* jshint validthis: true */ + statusCode = options.statusCode || 183; + + // Set status and add extra headers + this.status = C.STATUS_WAITING_FOR_PRACK; + extraHeaders.push('Contact: '+ this.contact); + extraHeaders.push('Require: 100rel'); + extraHeaders.push('RSeq: ' + Math.floor(Math.random() * 10000)); + + // Save media hint for later (referred sessions) + this.mediaHint = options.media; + + // Get the session description to add to preaccept with + this.mediaHandler.getDescription(options.media) + .then( + function onSuccess (description) { + if (this.isCanceled || this.status === C.STATUS_TERMINATED) { + return; + } + + this.early_sdp = description.body; + this[this.hasOffer ? 'hasAnswer' : 'hasOffer'] = true; + + // Retransmit until we get a response or we time out (see prackTimer below) + var timeout = SIP.Timers.T1; + this.timers.rel1xxTimer = SIP.Timers.setTimeout(function rel1xxRetransmission() { + this.request.reply(statusCode, null, extraHeaders, description); + timeout *= 2; + this.timers.rel1xxTimer = SIP.Timers.setTimeout(rel1xxRetransmission.bind(this), timeout); + }.bind(this), timeout); + + // Timeout and reject INVITE if no response + this.timers.prackTimer = SIP.Timers.setTimeout(function () { + if (this.status !== C.STATUS_WAITING_FOR_PRACK) { + return; + } + + this.logger.log('no PRACK received, rejecting the call'); + SIP.Timers.clearTimeout(this.timers.rel1xxTimer); + this.request.reply(504); + this.terminated(null, SIP.C.causes.NO_PRACK); + }.bind(this), SIP.Timers.T1 * 64); + + // Send the initial response + response = this.request.reply(statusCode, reasonPhrase, extraHeaders, description); + this.emit('progress', response, reasonPhrase); + }.bind(this), + + function onFailure () { + this.request.reply(480); + this.failed(null, SIP.C.causes.WEBRTC_ERROR); + this.terminated(null, SIP.C.causes.WEBRTC_ERROR); + }.bind(this) + ); + } // end do100rel + + function normalReply() { + /* jshint validthis:true */ + response = this.request.reply(statusCode, reasonPhrase, extraHeaders, body); + this.emit('progress', response, reasonPhrase); + } + + if (options.statusCode !== 100 && + (this.rel100 === SIP.C.supported.REQUIRED || + (this.rel100 === SIP.C.supported.SUPPORTED && options.rel100) || + (this.rel100 === SIP.C.supported.SUPPORTED && (this.ua.configuration.rel100 === SIP.C.supported.REQUIRED)))) { + do100rel.apply(this); + } else { + normalReply.apply(this); + } + return this; + }, + + /* + * @param {Object} [options.media] gets passed to SIP.MediaHandler.getDescription as mediaHint + */ + accept: function(options) { + options = Object.create(Session.desugar(options)); + SIP.Utils.optionsOverride(options, 'media', 'mediaConstraints', true, this.logger, this.ua.configuration.media); + this.mediaHint = options.media; + + this.onInfo = options.onInfo; + + // commented out now-unused hold-related variables for jshint. See below. JMF 2014-1-21 + var + //idx, length, hasAudio, hasVideo, + self = this, + request = this.request, + extraHeaders = (options.extraHeaders || []).slice(), + //mediaStream = options.mediaStream || null, + iceServers, + stunServers = options.stunServers || null, + turnServers = options.turnServers || null, + descriptionCreationSucceeded = function(description) { + var + response, + // run for reply success callback + replySucceeded = function() { + self.status = C.STATUS_WAITING_FOR_ACK; + + self.setInvite2xxTimer(request, description); + self.setACKTimer(); + }, + + // run for reply failure callback + replyFailed = function() { + self.failed(null, SIP.C.causes.CONNECTION_ERROR); + self.terminated(null, SIP.C.causes.CONNECTION_ERROR); + }; + + // Chrome might call onaddstream before accept() is called, which means + // mediaHandler.render() was called without a renderHint, so we need to + // re-render now that mediaHint.render has been set. + // + // Chrome seems to be in the right regarding this, see + // http://dev.w3.org/2011/webrtc/editor/webrtc.html#widl-RTCPeerConnection-onaddstream + self.mediaHandler.render(); + + extraHeaders.push('Contact: ' + self.contact); + extraHeaders.push('Allow: ' + SIP.UA.C.ALLOWED_METHODS.toString()); + + if(!self.hasOffer) { + self.hasOffer = true; + } else { + self.hasAnswer = true; + } + response = request.reply(200, null, extraHeaders, + description, + replySucceeded, + replyFailed + ); + if (self.status !== C.STATUS_TERMINATED) { // Didn't fail + self.accepted(response, SIP.Utils.getReasonPhrase(200)); + } + }, + + descriptionCreationFailed = function() { + if (self.status === C.STATUS_TERMINATED) { + return; + } + // TODO - fail out on error + self.request.reply(480); + //self.failed(response, SIP.C.causes.USER_DENIED_MEDIA_ACCESS); + self.failed(null, SIP.C.causes.WEBRTC_ERROR); + self.terminated(null, SIP.C.causes.WEBRTC_ERROR); + }; + + // Check Session Status + if (this.status === C.STATUS_WAITING_FOR_PRACK) { + this.status = C.STATUS_ANSWERED_WAITING_FOR_PRACK; + return this; + } else if (this.status === C.STATUS_WAITING_FOR_ANSWER) { + this.status = C.STATUS_ANSWERED; + } else if (this.status !== C.STATUS_EARLY_MEDIA) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + if ((stunServers || turnServers) && + (this.status !== C.STATUS_EARLY_MEDIA && this.status !== C.STATUS_ANSWERED_WAITING_FOR_PRACK)) { + if (stunServers) { + iceServers = this.ua.getConfigurationCheck().optional['stunServers'](stunServers); + if (!iceServers) { + throw new TypeError('Invalid stunServers: '+ stunServers); + } else { + this.stunServers = iceServers; + } + } + + if (turnServers) { + iceServers = this.ua.getConfigurationCheck().optional['turnServers'](turnServers); + if (!iceServers) { + throw new TypeError('Invalid turnServers: '+ turnServers); + } else { + this.turnServers = iceServers; + } + } + + this.mediaHandler.updateIceServers({ + stunServers: this.stunServers, + turnServers: this.turnServers + }); + } + + // An error on dialog creation will fire 'failed' event + if(!this.createDialog(request, 'UAS')) { + request.reply(500, 'Missing Contact header field'); + return this; + } + + SIP.Timers.clearTimeout(this.timers.userNoAnswerTimer); + + // this hold-related code breaks FF accepting new calls - JMF 2014-1-21 + /* + length = this.getRemoteStreams().length; + + for (idx = 0; idx < length; idx++) { + if (this.mediaHandler.getRemoteStreams()[idx].getVideoTracks().length > 0) { + hasVideo = true; + } + if (this.mediaHandler.getRemoteStreams()[idx].getAudioTracks().length > 0) { + hasAudio = true; + } + } + + if (!hasAudio && this.mediaConstraints.audio === true) { + this.mediaConstraints.audio = false; + if (mediaStream) { + length = mediaStream.getAudioTracks().length; + for (idx = 0; idx < length; idx++) { + mediaStream.removeTrack(mediaStream.getAudioTracks()[idx]); + } + } + } + + if (!hasVideo && this.mediaConstraints.video === true) { + this.mediaConstraints.video = false; + if (mediaStream) { + length = mediaStream.getVideoTracks().length; + for (idx = 0; idx < length; idx++) { + mediaStream.removeTrack(mediaStream.getVideoTracks()[idx]); + } + } + } + */ + + if (this.status === C.STATUS_EARLY_MEDIA) { + descriptionCreationSucceeded({}); + } else { + this.mediaHandler.getDescription(self.mediaHint) + .then( + descriptionCreationSucceeded, + descriptionCreationFailed + ); + } + + return this; + }, + + receiveRequest: function(request) { + + // ISC RECEIVE REQUEST + + function confirmSession() { + /* jshint validthis:true */ + var contentType; + + SIP.Timers.clearTimeout(this.timers.ackTimer); + SIP.Timers.clearTimeout(this.timers.invite2xxTimer); + this.status = C.STATUS_CONFIRMED; + this.unmute(); + + // TODO - this logic assumes Content-Disposition defaults + contentType = request.getHeader('Content-Type'); + if (!this.mediaHandler.hasDescription(request)) { + this.renderbody = request.body; + this.rendertype = contentType; + } + + this.emit('confirmed', request); + } + + switch(request.method) { + case SIP.C.CANCEL: + /* RFC3261 15 States that a UAS may have accepted an invitation while a CANCEL + * was in progress and that the UAC MAY continue with the session established by + * any 2xx response, or MAY terminate with BYE. SIP does continue with the + * established session. So the CANCEL is processed only if the session is not yet + * established. + */ + + /* + * Terminate the whole session in case the user didn't accept (or yet to send the answer) nor reject the + *request opening the session. + */ + if(this.status === C.STATUS_WAITING_FOR_ANSWER || + this.status === C.STATUS_WAITING_FOR_PRACK || + this.status === C.STATUS_ANSWERED_WAITING_FOR_PRACK || + this.status === C.STATUS_EARLY_MEDIA || + this.status === C.STATUS_ANSWERED) { + + this.status = C.STATUS_CANCELED; + this.request.reply(487); + this.canceled(request); + this.rejected(request, SIP.C.causes.CANCELED); + this.failed(request, SIP.C.causes.CANCELED); + this.terminated(request, SIP.C.causes.CANCELED); + } + break; + case SIP.C.ACK: + if(this.status === C.STATUS_WAITING_FOR_ACK) { + if (!this.hasAnswer) { + if(this.mediaHandler.hasDescription(request)) { + // ACK contains answer to an INVITE w/o SDP negotiation + this.hasAnswer = true; + this.mediaHandler.setDescription(request) + .then( + confirmSession.bind(this), + function onFailure (e) { + this.logger.warn(e); + this.terminate({ + statusCode: '488', + reasonPhrase: 'Bad Media Description' + }); + this.failed(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + this.terminated(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + }.bind(this) + ); + } else if (this.early_sdp) { + confirmSession.apply(this); + } else { + //TODO: Pass to mediahandler + this.failed(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + this.terminated(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + } + } else { + confirmSession.apply(this); + } + } + break; + case SIP.C.PRACK: + if (this.status === C.STATUS_WAITING_FOR_PRACK || this.status === C.STATUS_ANSWERED_WAITING_FOR_PRACK) { + //localMedia = session.mediaHandler.localMedia; + if(!this.hasAnswer) { + if(this.mediaHandler.hasDescription(request)) { + this.hasAnswer = true; + this.mediaHandler.setDescription(request) + .then( + function onSuccess () { + SIP.Timers.clearTimeout(this.timers.rel1xxTimer); + SIP.Timers.clearTimeout(this.timers.prackTimer); + request.reply(200); + if (this.status === C.STATUS_ANSWERED_WAITING_FOR_PRACK) { + this.status = C.STATUS_EARLY_MEDIA; + this.accept(); + } + this.status = C.STATUS_EARLY_MEDIA; + //REVISIT + this.mute(); + }.bind(this), + function onFailure (e) { + //TODO: Send to media handler + this.logger.warn(e); + this.terminate({ + statusCode: '488', + reasonPhrase: 'Bad Media Description' + }); + this.failed(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + this.terminated(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + }.bind(this) + ); + } else { + this.terminate({ + statusCode: '488', + reasonPhrase: 'Bad Media Description' + }); + this.failed(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + this.terminated(request, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + } + } else { + SIP.Timers.clearTimeout(this.timers.rel1xxTimer); + SIP.Timers.clearTimeout(this.timers.prackTimer); + request.reply(200); + + if (this.status === C.STATUS_ANSWERED_WAITING_FOR_PRACK) { + this.status = C.STATUS_EARLY_MEDIA; + this.accept(); + } + this.status = C.STATUS_EARLY_MEDIA; + //REVISIT + this.mute(); + } + } else if(this.status === C.STATUS_EARLY_MEDIA) { + request.reply(200); + } + break; + default: + Session.prototype.receiveRequest.apply(this, [request]); + break; + } + }, + + onTransportError: function() { + if (this.status !== C.STATUS_CONFIRMED && this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.CONNECTION_ERROR); + } + }, + + onRequestTimeout: function() { + if (this.status === C.STATUS_CONFIRMED) { + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } else if (this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.REQUEST_TIMEOUT); + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } + } + +}; + +SIP.InviteServerContext = InviteServerContext; + +InviteClientContext = function(ua, target, options) { + options = Object.create(Session.desugar(options)); + options.params = Object.create(options.params || Object.prototype); + + var iceServers, + extraHeaders = (options.extraHeaders || []).slice(), + stunServers = options.stunServers || null, + turnServers = options.turnServers || null, + mediaHandlerFactory = options.mediaHandlerFactory || ua.configuration.mediaHandlerFactory, + isMediaSupported = mediaHandlerFactory.isSupported; + + // Check WebRTC support + if (isMediaSupported && !isMediaSupported()) { + throw new SIP.Exceptions.NotSupportedError('Media not supported'); + } + + this.RTCConstraints = options.RTCConstraints || {}; + this.inviteWithoutSdp = options.inviteWithoutSdp || false; + + // Set anonymous property + this.anonymous = options.anonymous || false; + + // Custom data to be sent either in INVITE or in ACK + this.renderbody = options.renderbody || null; + this.rendertype = options.rendertype || 'text/plain'; + + options.params.from_tag = this.from_tag; + + /* Do not add ;ob in initial forming dialog requests if the registration over + * the current connection got a GRUU URI. + */ + this.contact = ua.contact.toString({ + anonymous: this.anonymous, + outbound: this.anonymous ? !ua.contact.temp_gruu : !ua.contact.pub_gruu + }); + + if (this.anonymous) { + options.params.from_displayName = 'Anonymous'; + options.params.from_uri = 'sip:anonymous@anonymous.invalid'; + + extraHeaders.push('P-Preferred-Identity: '+ ua.configuration.uri.toString()); + extraHeaders.push('Privacy: id'); + } + extraHeaders.push('Contact: '+ this.contact); + extraHeaders.push('Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString()); + if (this.inviteWithoutSdp && this.renderbody) { + extraHeaders.push('Content-Type: ' + this.rendertype); + extraHeaders.push('Content-Disposition: render;handling=optional'); + } + + if (ua.configuration.rel100 === SIP.C.supported.REQUIRED) { + extraHeaders.push('Require: 100rel'); + } + if (ua.configuration.replaces === SIP.C.supported.REQUIRED) { + extraHeaders.push('Require: replaces'); + } + + options.extraHeaders = extraHeaders; + + SIP.Utils.augment(this, SIP.ClientContext, [ua, SIP.C.INVITE, target, options]); + SIP.Utils.augment(this, SIP.Session, [mediaHandlerFactory]); + + // Check Session Status + if (this.status !== C.STATUS_NULL) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + // Session parameter initialization + this.from_tag = SIP.Utils.newTag(); + + // OutgoingSession specific parameters + this.isCanceled = false; + this.received_100 = false; + + this.method = SIP.C.INVITE; + + this.receiveNonInviteResponse = this.receiveResponse; + this.receiveResponse = this.receiveInviteResponse; + + this.logger = ua.getLogger('sip.inviteclientcontext'); + + if (stunServers) { + iceServers = this.ua.getConfigurationCheck().optional['stunServers'](stunServers); + if (!iceServers) { + throw new TypeError('Invalid stunServers: '+ stunServers); + } else { + this.stunServers = iceServers; + } + } + + if (turnServers) { + iceServers = this.ua.getConfigurationCheck().optional['turnServers'](turnServers); + if (!iceServers) { + throw new TypeError('Invalid turnServers: '+ turnServers); + } else { + this.turnServers = iceServers; + } + } + + ua.applicants[this] = this; + + this.id = this.request.call_id + this.from_tag; + + //Initialize Media Session + this.mediaHandler = this.mediaHandlerFactory(this, { + RTCConstraints: this.RTCConstraints, + stunServers: this.stunServers, + turnServers: this.turnServers + }); + + if (this.mediaHandler && this.mediaHandler.getRemoteStreams) { + this.getRemoteStreams = this.mediaHandler.getRemoteStreams.bind(this.mediaHandler); + this.getLocalStreams = this.mediaHandler.getLocalStreams.bind(this.mediaHandler); + } + + SIP.Utils.optionsOverride(options, 'media', 'mediaConstraints', true, this.logger, this.ua.configuration.media); + this.mediaHint = options.media; + + this.onInfo = options.onInfo; +}; + +InviteClientContext.prototype = { + invite: function () { + var self = this; + + //Save the session into the ua sessions collection. + //Note: placing in constructor breaks call to request.cancel on close... User does not need this anyway + this.ua.sessions[this.id] = this; + + //Note: due to the way Firefox handles gUM calls, it is recommended to make the gUM call at the app level + // and hand sip.js a stream as the mediaHint + if (this.inviteWithoutSdp) { + //just send an invite with no sdp... + this.request.body = self.renderbody; + this.status = C.STATUS_INVITE_SENT; + this.send(); + } else { + this.mediaHandler.getDescription(self.mediaHint) + .then( + function onSuccess(description) { + if (self.isCanceled || self.status === C.STATUS_TERMINATED) { + return; + } + self.hasOffer = true; + self.request.body = description; + self.status = C.STATUS_INVITE_SENT; + self.send(); + }, + function onFailure() { + if (self.status === C.STATUS_TERMINATED) { + return; + } + // TODO...fail out + //self.failed(null, SIP.C.causes.USER_DENIED_MEDIA_ACCESS); + //self.failed(null, SIP.C.causes.WEBRTC_ERROR); + self.failed(null, SIP.C.causes.WEBRTC_ERROR); + self.terminated(null, SIP.C.causes.WEBRTC_ERROR); + } + ); + } + + return this; + }, + + receiveInviteResponse: function(response) { + var cause, //localMedia, + session = this, + id = response.call_id + response.from_tag + response.to_tag, + extraHeaders = [], + options = {}; + + if (this.status === C.STATUS_TERMINATED || response.method !== SIP.C.INVITE) { + return; + } + + if (this.dialog && (response.status_code >= 200 && response.status_code <= 299)) { + if (id !== this.dialog.id.toString() ) { + if (!this.createDialog(response, 'UAC', true)) { + return; + } + this.earlyDialogs[id].sendRequest(this, SIP.C.ACK, + { + body: SIP.Utils.generateFakeSDP(response.body) + }); + this.earlyDialogs[id].sendRequest(this, SIP.C.BYE); + + /* NOTE: This fails because the forking proxy does not recognize that an unanswerable + * leg (due to peerConnection limitations) has been answered first. If your forking + * proxy does not hang up all unanswered branches on the first branch answered, remove this. + */ + if(this.status !== C.STATUS_CONFIRMED) { + this.failed(response, SIP.C.causes.WEBRTC_ERROR); + this.terminated(response, SIP.C.causes.WEBRTC_ERROR); + } + return; + } else if (this.status === C.STATUS_CONFIRMED) { + this.sendRequest(SIP.C.ACK,{cseq: response.cseq}); + return; + } else if (!this.hasAnswer) { + // invite w/o sdp is waiting for callback + //an invite with sdp must go on, and hasAnswer is true + return; + } + } + + if (this.dialog && response.status_code < 200) { + /* + Early media has been set up with at least one other different branch, + but a final 2xx response hasn't been received + */ + if (this.dialog.pracked.indexOf(response.getHeader('rseq')) !== -1 || + (this.dialog.pracked[this.dialog.pracked.length-1] >= response.getHeader('rseq') && this.dialog.pracked.length > 0)) { + return; + } + + if (!this.earlyDialogs[id] && !this.createDialog(response, 'UAC', true)) { + return; + } + + if (this.earlyDialogs[id].pracked.indexOf(response.getHeader('rseq')) !== -1 || + (this.earlyDialogs[id].pracked[this.earlyDialogs[id].pracked.length-1] >= response.getHeader('rseq') && this.earlyDialogs[id].pracked.length > 0)) { + return; + } + + extraHeaders.push('RAck: ' + response.getHeader('rseq') + ' ' + response.getHeader('cseq')); + this.earlyDialogs[id].pracked.push(response.getHeader('rseq')); + + this.earlyDialogs[id].sendRequest(this, SIP.C.PRACK, { + extraHeaders: extraHeaders, + body: SIP.Utils.generateFakeSDP(response.body) + }); + return; + } + + // Proceed to cancellation if the user requested. + if(this.isCanceled) { + if(response.status_code >= 100 && response.status_code < 200) { + this.request.cancel(this.cancelReason, extraHeaders); + this.canceled(null); + } else if(response.status_code >= 200 && response.status_code < 299) { + this.acceptAndTerminate(response); + this.emit('bye', this.request); + } else if (response.status_code >= 300) { + cause = SIP.C.REASON_PHRASE[response.status_code] || SIP.C.causes.CANCELED; + this.rejected(response, cause); + this.failed(response, cause); + this.terminated(response, cause); + } + return; + } + + switch(true) { + case /^100$/.test(response.status_code): + this.received_100 = true; + this.emit('progress', response); + break; + case (/^1[0-9]{2}$/.test(response.status_code)): + // Do nothing with 1xx responses without To tag. + if(!response.to_tag) { + this.logger.warn('1xx response received without to tag'); + break; + } + + // Create Early Dialog if 1XX comes with contact + if(response.hasHeader('contact')) { + // An error on dialog creation will fire 'failed' event + if (!this.createDialog(response, 'UAC', true)) { + break; + } + } + + this.status = C.STATUS_1XX_RECEIVED; + + if(response.hasHeader('require') && + response.getHeader('require').indexOf('100rel') !== -1) { + + // Do nothing if this.dialog is already confirmed + if (this.dialog || !this.earlyDialogs[id]) { + break; + } + + if (this.earlyDialogs[id].pracked.indexOf(response.getHeader('rseq')) !== -1 || + (this.earlyDialogs[id].pracked[this.earlyDialogs[id].pracked.length-1] >= response.getHeader('rseq') && this.earlyDialogs[id].pracked.length > 0)) { + return; + } + + if (!this.mediaHandler.hasDescription(response)) { + extraHeaders.push('RAck: ' + response.getHeader('rseq') + ' ' + response.getHeader('cseq')); + this.earlyDialogs[id].pracked.push(response.getHeader('rseq')); + this.earlyDialogs[id].sendRequest(this, SIP.C.PRACK, { + extraHeaders: extraHeaders + }); + this.emit('progress', response); + + } else if (this.hasOffer) { + if (!this.createDialog(response, 'UAC')) { + break; + } + this.hasAnswer = true; + this.dialog.pracked.push(response.getHeader('rseq')); + + this.mediaHandler.setDescription(response) + .then( + function onSuccess () { + extraHeaders.push('RAck: ' + response.getHeader('rseq') + ' ' + response.getHeader('cseq')); + + session.sendRequest(SIP.C.PRACK, { + extraHeaders: extraHeaders, + receiveResponse: function() {} + }); + session.status = C.STATUS_EARLY_MEDIA; + session.mute(); + session.emit('progress', response); + /* + if (session.status === C.STATUS_EARLY_MEDIA) { + localMedia = session.mediaHandler.localMedia; + if (localMedia.getAudioTracks().length > 0) { + localMedia.getAudioTracks()[0].enabled = false; + } + if (localMedia.getVideoTracks().length > 0) { + localMedia.getVideoTracks()[0].enabled = false; + } + }*/ + }, + function onFailure (e) { + session.logger.warn(e); + session.acceptAndTerminate(response, 488, 'Not Acceptable Here'); + session.failed(response, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + } + ); + } else { + var earlyDialog = this.earlyDialogs[id]; + var earlyMedia = earlyDialog.mediaHandler; + + earlyDialog.pracked.push(response.getHeader('rseq')); + + earlyMedia.setDescription(response) + .then(earlyMedia.getDescription.bind(earlyMedia, session.mediaHint)) + .then(function onSuccess(description) { + extraHeaders.push('RAck: ' + response.getHeader('rseq') + ' ' + response.getHeader('cseq')); + earlyDialog.sendRequest(session, SIP.C.PRACK, { + extraHeaders: extraHeaders, + body: description + }); + session.status = C.STATUS_EARLY_MEDIA; + session.emit('progress', response); + }) + .catch(function onFailure(e) { + if (e instanceof SIP.Exceptions.GetDescriptionError) { + earlyDialog.pracked.push(response.getHeader('rseq')); + if (session.status === C.STATUS_TERMINATED) { + return; + } + // TODO - fail out on error + // session.failed(gum error); + session.failed(null, SIP.C.causes.WEBRTC_ERROR); + session.terminated(null, SIP.C.causes.WEBRTC_ERROR); + } else { + earlyDialog.pracked.splice(earlyDialog.pracked.indexOf(response.getHeader('rseq')), 1); + // Could not set remote description + session.logger.warn('invalid description'); + session.logger.warn(e); + } + }); + } + } else { + this.emit('progress', response); + } + break; + case /^2[0-9]{2}$/.test(response.status_code): + var cseq = this.request.cseq + ' ' + this.request.method; + if (cseq !== response.getHeader('cseq')) { + break; + } + + if (this.status === C.STATUS_EARLY_MEDIA && this.dialog) { + this.status = C.STATUS_CONFIRMED; + this.unmute(); + /*localMedia = this.mediaHandler.localMedia; + if (localMedia.getAudioTracks().length > 0) { + localMedia.getAudioTracks()[0].enabled = true; + } + if (localMedia.getVideoTracks().length > 0) { + localMedia.getVideoTracks()[0].enabled = true; + }*/ + options = {}; + if (this.renderbody) { + extraHeaders.push('Content-Type: ' + this.rendertype); + options.extraHeaders = extraHeaders; + options.body = this.renderbody; + } + options.cseq = response.cseq; + this.sendRequest(SIP.C.ACK, options); + this.accepted(response); + break; + } + // Do nothing if this.dialog is already confirmed + if (this.dialog) { + break; + } + + // This is an invite without sdp + if (!this.hasOffer) { + if (this.earlyDialogs[id] && this.earlyDialogs[id].mediaHandler.localMedia) { + //REVISIT + this.hasOffer = true; + this.hasAnswer = true; + this.mediaHandler = this.earlyDialogs[id].mediaHandler; + if (!this.createDialog(response, 'UAC')) { + break; + } + this.status = C.STATUS_CONFIRMED; + this.sendRequest(SIP.C.ACK, {cseq:response.cseq}); + + this.unmute(); + /* + localMedia = session.mediaHandler.localMedia; + if (localMedia.getAudioTracks().length > 0) { + localMedia.getAudioTracks()[0].enabled = true; + } + if (localMedia.getVideoTracks().length > 0) { + localMedia.getVideoTracks()[0].enabled = true; + }*/ + this.accepted(response); + } else { + if(!this.mediaHandler.hasDescription(response)) { + this.acceptAndTerminate(response, 400, 'Missing session description'); + this.failed(response, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + break; + } + if (!this.createDialog(response, 'UAC')) { + break; + } + this.hasOffer = true; + this.mediaHandler.setDescription(response) + .then(this.mediaHandler.getDescription.bind(this.mediaHandler, this.mediaHint)) + .then(function onSuccess(description) { + //var localMedia; + if(session.isCanceled || session.status === C.STATUS_TERMINATED) { + return; + } + + session.status = C.STATUS_CONFIRMED; + session.hasAnswer = true; + + session.unmute(); + /*localMedia = session.mediaHandler.localMedia; + if (localMedia.getAudioTracks().length > 0) { + localMedia.getAudioTracks()[0].enabled = true; + } + if (localMedia.getVideoTracks().length > 0) { + localMedia.getVideoTracks()[0].enabled = true; + }*/ + session.sendRequest(SIP.C.ACK,{ + body: description, + cseq:response.cseq + }); + session.accepted(response); + }) + .catch(function onFailure(e) { + if (e instanceof SIP.Exceptions.GetDescriptionError) { + // TODO do something here + session.logger.warn("there was a problem"); + } else { + session.logger.warn('invalid description'); + session.logger.warn(e); + session.acceptAndTerminate(response, 488, 'Invalid session description'); + session.failed(response, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + } + }); + } + } else if (this.hasAnswer){ + if (this.renderbody) { + extraHeaders.push('Content-Type: ' + session.rendertype); + options.extraHeaders = extraHeaders; + options.body = this.renderbody; + } + this.sendRequest(SIP.C.ACK, options); + } else { + if(!this.mediaHandler.hasDescription(response)) { + this.acceptAndTerminate(response, 400, 'Missing session description'); + this.failed(response, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + break; + } + if (!this.createDialog(response, 'UAC')) { + break; + } + this.hasAnswer = true; + this.mediaHandler.setDescription(response) + .then( + function onSuccess () { + var options = {};//,localMedia; + session.status = C.STATUS_CONFIRMED; + session.unmute(); + /*localMedia = session.mediaHandler.localMedia; + if (localMedia.getAudioTracks().length > 0) { + localMedia.getAudioTracks()[0].enabled = true; + } + if (localMedia.getVideoTracks().length > 0) { + localMedia.getVideoTracks()[0].enabled = true; + }*/ + if (session.renderbody) { + extraHeaders.push('Content-Type: ' + session.rendertype); + options.extraHeaders = extraHeaders; + options.body = session.renderbody; + } + options.cseq = response.cseq; + session.sendRequest(SIP.C.ACK, options); + session.accepted(response); + }, + function onFailure (e) { + session.logger.warn(e); + session.acceptAndTerminate(response, 488, 'Not Acceptable Here'); + session.failed(response, SIP.C.causes.BAD_MEDIA_DESCRIPTION); + } + ); + } + break; + default: + cause = SIP.Utils.sipErrorCause(response.status_code); + this.rejected(response, cause); + this.failed(response, cause); + this.terminated(response, cause); + } + }, + + cancel: function(options) { + options = options || {}; + + options.extraHeaders = (options.extraHeaders || []).slice(); + + // Check Session Status + if (this.status === C.STATUS_TERMINATED || this.status === C.STATUS_CONFIRMED) { + throw new SIP.Exceptions.InvalidStateError(this.status); + } + + this.logger.log('canceling RTCSession'); + + var cancel_reason = SIP.Utils.getCancelReason(options.status_code, options.reason_phrase); + + // Check Session Status + if (this.status === C.STATUS_NULL || + (this.status === C.STATUS_INVITE_SENT && !this.received_100)) { + this.isCanceled = true; + this.cancelReason = cancel_reason; + } else if (this.status === C.STATUS_INVITE_SENT || + this.status === C.STATUS_1XX_RECEIVED || + this.status === C.STATUS_EARLY_MEDIA) { + this.request.cancel(cancel_reason, options.extraHeaders); + } + + return this.canceled(); + }, + + terminate: function(options) { + if (this.status === C.STATUS_TERMINATED) { + return this; + } + + if (this.status === C.STATUS_WAITING_FOR_ACK || this.status === C.STATUS_CONFIRMED) { + this.bye(options); + } else { + this.cancel(options); + } + + return this; + }, + + receiveRequest: function(request) { + // ICC RECEIVE REQUEST + + // Reject CANCELs + if (request.method === SIP.C.CANCEL) { + // TODO; make this a switch when it gets added + } + + if (request.method === SIP.C.ACK && this.status === C.STATUS_WAITING_FOR_ACK) { + SIP.Timers.clearTimeout(this.timers.ackTimer); + SIP.Timers.clearTimeout(this.timers.invite2xxTimer); + this.status = C.STATUS_CONFIRMED; + this.unmute(); + + this.accepted(); + } + + return Session.prototype.receiveRequest.apply(this, [request]); + }, + + onTransportError: function() { + if (this.status !== C.STATUS_CONFIRMED && this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.CONNECTION_ERROR); + } + }, + + onRequestTimeout: function() { + if (this.status === C.STATUS_CONFIRMED) { + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } else if (this.status !== C.STATUS_TERMINATED) { + this.failed(null, SIP.C.causes.REQUEST_TIMEOUT); + this.terminated(null, SIP.C.causes.REQUEST_TIMEOUT); + } + } + +}; + +SIP.InviteClientContext = InviteClientContext; + +}; + +},{"./Session/DTMF":24}],24:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview DTMF + */ + +/** + * @class DTMF + * @param {SIP.Session} session + */ +module.exports = function (SIP) { + +var DTMF, + C = { + MIN_DURATION: 70, + MAX_DURATION: 6000, + DEFAULT_DURATION: 100, + MIN_INTER_TONE_GAP: 50, + DEFAULT_INTER_TONE_GAP: 500 + }; + +DTMF = function(session, tone, options) { + var duration, interToneGap; + + if (tone === undefined) { + throw new TypeError('Not enough arguments'); + } + + this.logger = session.ua.getLogger('sip.invitecontext.dtmf', session.id); + this.owner = session; + this.direction = null; + + options = options || {}; + duration = options.duration || null; + interToneGap = options.interToneGap || null; + + // Check tone type + if (typeof tone === 'string' ) { + tone = tone.toUpperCase(); + } else if (typeof tone === 'number') { + tone = tone.toString(); + } else { + throw new TypeError('Invalid tone: '+ tone); + } + + // Check tone value + if (!tone.match(/^[0-9A-D#*]$/)) { + throw new TypeError('Invalid tone: '+ tone); + } else { + this.tone = tone; + } + + // Check duration + if (duration && !SIP.Utils.isDecimal(duration)) { + throw new TypeError('Invalid tone duration: '+ duration); + } else if (!duration) { + duration = DTMF.C.DEFAULT_DURATION; + } else if (duration < DTMF.C.MIN_DURATION) { + this.logger.warn('"duration" value is lower than the minimum allowed, setting it to '+ DTMF.C.MIN_DURATION+ ' milliseconds'); + duration = DTMF.C.MIN_DURATION; + } else if (duration > DTMF.C.MAX_DURATION) { + this.logger.warn('"duration" value is greater than the maximum allowed, setting it to '+ DTMF.C.MAX_DURATION +' milliseconds'); + duration = DTMF.C.MAX_DURATION; + } else { + duration = Math.abs(duration); + } + this.duration = duration; + + // Check interToneGap + if (interToneGap && !SIP.Utils.isDecimal(interToneGap)) { + throw new TypeError('Invalid interToneGap: '+ interToneGap); + } else if (!interToneGap) { + interToneGap = DTMF.C.DEFAULT_INTER_TONE_GAP; + } else if (interToneGap < DTMF.C.MIN_INTER_TONE_GAP) { + this.logger.warn('"interToneGap" value is lower than the minimum allowed, setting it to '+ DTMF.C.MIN_INTER_TONE_GAP +' milliseconds'); + interToneGap = DTMF.C.MIN_INTER_TONE_GAP; + } else { + interToneGap = Math.abs(interToneGap); + } + this.interToneGap = interToneGap; +}; +DTMF.prototype = Object.create(SIP.EventEmitter.prototype); + + +DTMF.prototype.send = function(options) { + var extraHeaders, + body = {}; + + this.direction = 'outgoing'; + + // Check RTCSession Status + if (this.owner.status !== SIP.Session.C.STATUS_CONFIRMED && + this.owner.status !== SIP.Session.C.STATUS_WAITING_FOR_ACK) { + throw new SIP.Exceptions.InvalidStateError(this.owner.status); + } + + // Get DTMF options + options = options || {}; + extraHeaders = options.extraHeaders ? options.extraHeaders.slice() : []; + + body.contentType = 'application/dtmf-relay'; + + body.body = "Signal= " + this.tone + "\r\n"; + body.body += "Duration= " + this.duration; + + this.request = this.owner.dialog.sendRequest(this, SIP.C.INFO, { + extraHeaders: extraHeaders, + body: body + }); + + this.owner.emit('dtmf', this.request, this); +}; + +/** + * @private + */ +DTMF.prototype.receiveResponse = function(response) { + var cause; + + switch(true) { + case /^1[0-9]{2}$/.test(response.status_code): + // Ignore provisional responses. + break; + + case /^2[0-9]{2}$/.test(response.status_code): + this.emit('succeeded', { + originator: 'remote', + response: response + }); + break; + + default: + cause = SIP.Utils.sipErrorCause(response.status_code); + this.emit('failed', response, cause); + break; + } +}; + +/** + * @private + */ +DTMF.prototype.onRequestTimeout = function() { + this.emit('failed', null, SIP.C.causes.REQUEST_TIMEOUT); + this.owner.onRequestTimeout(); +}; + +/** + * @private + */ +DTMF.prototype.onTransportError = function() { + this.emit('failed', null, SIP.C.causes.CONNECTION_ERROR); + this.owner.onTransportError(); +}; + +/** + * @private + */ +DTMF.prototype.onDialogError = function(response) { + this.emit('failed', response, SIP.C.causes.DIALOG_ERROR); + this.owner.onDialogError(response); +}; + +/** + * @private + */ +DTMF.prototype.init_incoming = function(request) { + this.direction = 'incoming'; + this.request = request; + + request.reply(200); + + if (!this.tone || !this.duration) { + this.logger.warn('invalid INFO DTMF received, discarded'); + } else { + this.owner.emit('dtmf', request, this); + } +}; + +DTMF.C = C; +return DTMF; +}; + +},{}],25:[function(require,module,exports){ +"use strict"; + +/** + * @fileoverview SIP Subscriber (SIP-Specific Event Notifications RFC6665) + */ + +/** + * @augments SIP + * @class Class creating a SIP Subscription. + */ +module.exports = function (SIP) { +SIP.Subscription = function (ua, target, event, options) { + options = Object.create(options || Object.prototype); + this.extraHeaders = options.extraHeaders = (options.extraHeaders || []).slice(); + + this.id = null; + this.state = 'init'; + + if (!event) { + throw new TypeError('Event necessary to create a subscription.'); + } else { + //TODO: check for valid events here probably make a list in SIP.C; or leave it up to app to check? + //The check may need to/should probably occur on the other side, + this.event = event; + } + + if(typeof options.expires !== 'number'){ + ua.logger.warn('expires must be a number. Using default of 3600.'); + this.expires = 3600; + } else { + this.expires = options.expires; + } + + options.extraHeaders.push('Event: ' + this.event); + options.extraHeaders.push('Expires: ' + this.expires); + + if (options.body) { + this.body = options.body; + } + + this.contact = ua.contact.toString(); + + options.extraHeaders.push('Contact: '+ this.contact); + options.extraHeaders.push('Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString()); + + SIP.Utils.augment(this, SIP.ClientContext, [ua, SIP.C.SUBSCRIBE, target, options]); + + this.logger = ua.getLogger('sip.subscription'); + + this.dialog = null; + this.timers = {N: null, sub_duration: null}; + this.errorCodes = [404,405,410,416,480,481,482,483,484,485,489,501,604]; +}; + +SIP.Subscription.prototype = { + subscribe: function() { + var sub = this; + + //these states point to an existing subscription, no subscribe is necessary + if (this.state === 'active') { + this.refresh(); + return this; + } else if (this.state === 'notify_wait') { + return this; + } + + SIP.Timers.clearTimeout(this.timers.sub_duration); + SIP.Timers.clearTimeout(this.timers.N); + this.timers.N = SIP.Timers.setTimeout(sub.timer_fire.bind(sub), SIP.Timers.TIMER_N); + + this.ua.earlySubscriptions[this.request.call_id + this.request.from.parameters.tag + this.event] = this; + + this.send(); + + this.state = 'notify_wait'; + + return this; + }, + + refresh: function () { + if (this.state === 'terminated' || this.state === 'pending' || this.state === 'notify_wait') { + return; + } + + this.dialog.sendRequest(this, SIP.C.SUBSCRIBE, { + extraHeaders: this.extraHeaders, + body: this.body + }); + }, + + receiveResponse: function(response) { + var expires, sub = this, + cause = SIP.Utils.getReasonPhrase(response.status_code); + + if ((this.state === 'notify_wait' && response.status_code >= 300) || + (this.state !== 'notify_wait' && this.errorCodes.indexOf(response.status_code) !== -1)) { + this.failed(response, null); + } else if (/^2[0-9]{2}$/.test(response.status_code)){ + this.emit('accepted', response, cause); + //As we don't support RFC 5839 or other extensions where the NOTIFY is optional, timer N will not be cleared + //SIP.Timers.clearTimeout(this.timers.N); + + expires = response.getHeader('Expires'); + + if (expires && expires <= this.expires) { + // Preserve new expires value for subsequent requests + this.expires = expires; + this.timers.sub_duration = SIP.Timers.setTimeout(sub.refresh.bind(sub), expires * 900); + } else { + if (!expires) { + this.logger.warn('Expires header missing in a 200-class response to SUBSCRIBE'); + this.failed(response, SIP.C.EXPIRES_HEADER_MISSING); + } else { + this.logger.warn('Expires header in a 200-class response to SUBSCRIBE with a higher value than the one in the request'); + this.failed(response, SIP.C.INVALID_EXPIRES_HEADER); + } + } + } else if (response.statusCode > 300) { + this.emit('failed', response, cause); + this.emit('rejected', response, cause); + } + }, + + unsubscribe: function() { + var extraHeaders = [], sub = this; + + this.state = 'terminated'; + + extraHeaders.push('Event: ' + this.event); + extraHeaders.push('Expires: 0'); + + extraHeaders.push('Contact: '+ this.contact); + extraHeaders.push('Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString()); + + //makes sure expires isn't set, and other typical resubscribe behavior + this.receiveResponse = function(){}; + + this.dialog.sendRequest(this, this.method, { + extraHeaders: extraHeaders, + body: this.body + }); + + SIP.Timers.clearTimeout(this.timers.sub_duration); + SIP.Timers.clearTimeout(this.timers.N); + this.timers.N = SIP.Timers.setTimeout(sub.timer_fire.bind(sub), SIP.Timers.TIMER_N); + }, + + /** + * @private + */ + timer_fire: function(){ + if (this.state === 'terminated') { + this.terminateDialog(); + SIP.Timers.clearTimeout(this.timers.N); + SIP.Timers.clearTimeout(this.timers.sub_duration); + + delete this.ua.subscriptions[this.id]; + } else if (this.state === 'notify_wait' || this.state === 'pending') { + this.close(); + } else { + this.refresh(); + } + }, + + /** + * @private + */ + close: function() { + if (this.state === 'notify_wait') { + this.state = 'terminated'; + SIP.Timers.clearTimeout(this.timers.N); + SIP.Timers.clearTimeout(this.timers.sub_duration); + this.receiveResponse = function(){}; + + delete this.ua.earlySubscriptions[this.request.call_id + this.request.from.parameters.tag + this.event]; + } else if (this.state !== 'terminated') { + this.unsubscribe(); + } + }, + + /** + * @private + */ + createConfirmedDialog: function(message, type) { + var dialog; + + this.terminateDialog(); + dialog = new SIP.Dialog(this, message, type); + dialog.invite_seqnum = this.request.cseq; + dialog.local_seqnum = this.request.cseq; + + if(!dialog.error) { + this.dialog = dialog; + return true; + } + // Dialog not created due to an error + else { + return false; + } + }, + + /** + * @private + */ + terminateDialog: function() { + if(this.dialog) { + delete this.ua.subscriptions[this.id]; + this.dialog.terminate(); + delete this.dialog; + } + }, + + /** + * @private + */ + receiveRequest: function(request) { + var sub_state, sub = this; + + function setExpiresTimeout() { + if (sub_state.expires) { + SIP.Timers.clearTimeout(sub.timers.sub_duration); + sub_state.expires = Math.min(sub.expires, + Math.max(sub_state.expires, 0)); + sub.timers.sub_duration = SIP.Timers.setTimeout(sub.refresh.bind(sub), + sub_state.expires * 900); + } + } + + if (!this.matchEvent(request)) { //checks event and subscription_state headers + request.reply(489); + return; + } + + if (!this.dialog) { + if (this.createConfirmedDialog(request,'UAS')) { + this.id = this.dialog.id.toString(); + delete this.ua.earlySubscriptions[this.request.call_id + this.request.from.parameters.tag + this.event]; + this.ua.subscriptions[this.id] = this; + // UPDATE ROUTE SET TO BE BACKWARDS COMPATIBLE? + } + } + + sub_state = request.parseHeader('Subscription-State'); + + request.reply(200, SIP.C.REASON_200); + + SIP.Timers.clearTimeout(this.timers.N); + + this.emit('notify', {request: request}); + + // if we've set state to terminated, no further processing should take place + // and we are only interested in cleaning up after the appropriate NOTIFY + if (this.state === 'terminated') { + if (sub_state.state === 'terminated') { + this.terminateDialog(); + SIP.Timers.clearTimeout(this.timers.N); + SIP.Timers.clearTimeout(this.timers.sub_duration); + + delete this.ua.subscriptions[this.id]; + } + return; + } + + switch (sub_state.state) { + case 'active': + this.state = 'active'; + setExpiresTimeout(); + break; + case 'pending': + if (this.state === 'notify_wait') { + setExpiresTimeout(); + } + this.state = 'pending'; + break; + case 'terminated': + SIP.Timers.clearTimeout(this.timers.sub_duration); + if (sub_state.reason) { + this.logger.log('terminating subscription with reason '+ sub_state.reason); + switch (sub_state.reason) { + case 'deactivated': + case 'timeout': + this.subscribe(); + return; + case 'probation': + case 'giveup': + if(sub_state.params && sub_state.params['retry-after']) { + this.timers.sub_duration = SIP.Timers.setTimeout(sub.subscribe.bind(sub), sub_state.params['retry-after']); + } else { + this.subscribe(); + } + return; + case 'rejected': + case 'noresource': + case 'invariant': + break; + } + } + this.close(); + break; + } + }, + + failed: function(response, cause) { + this.close(); + this.emit('failed', response, cause); + this.emit('rejected', response, cause); + return this; + }, + + onDialogError: function(response) { + this.failed(response, SIP.C.causes.DIALOG_ERROR); + }, + + /** + * @private + */ + matchEvent: function(request) { + var event; + + // Check mandatory header Event + if (!request.hasHeader('Event')) { + this.logger.warn('missing Event header'); + return false; + } + // Check mandatory header Subscription-State + if (!request.hasHeader('Subscription-State')) { + this.logger.warn('missing Subscription-State header'); + return false; + } + + // Check whether the event in NOTIFY matches the event in SUBSCRIBE + event = request.parseHeader('event').event; + + if (this.event !== event) { + this.logger.warn('event match failed'); + request.reply(481, 'Event Match Failed'); + return false; + } else { + return true; + } + } +}; +}; + +},{}],26:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP TIMERS + */ + +/** + * @augments SIP + */ +var + T1 = 500, + T2 = 4000, + T4 = 5000; +module.exports = function (timers) { + var Timers = { + T1: T1, + T2: T2, + T4: T4, + TIMER_B: 64 * T1, + TIMER_D: 0 * T1, + TIMER_F: 64 * T1, + TIMER_H: 64 * T1, + TIMER_I: 0 * T1, + TIMER_J: 0 * T1, + TIMER_K: 0 * T4, + TIMER_L: 64 * T1, + TIMER_M: 64 * T1, + TIMER_N: 64 * T1, + PROVISIONAL_RESPONSE_INTERVAL: 60000 // See RFC 3261 Section 13.3.1.1 + }; + + ['setTimeout', 'clearTimeout', 'setInterval', 'clearInterval'] + .forEach(function (name) { + // can't just use timers[name].bind(timers) since it bypasses jasmine's + // clock-mocking + Timers[name] = function () { + return timers[name].apply(timers, arguments); + }; + }); + + return Timers; +}; + +},{}],27:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP Transactions + */ + +/** + * SIP Transactions module. + * @augments SIP + */ +module.exports = function (SIP) { +var + C = { + // Transaction states + STATUS_TRYING: 1, + STATUS_PROCEEDING: 2, + STATUS_CALLING: 3, + STATUS_ACCEPTED: 4, + STATUS_COMPLETED: 5, + STATUS_TERMINATED: 6, + STATUS_CONFIRMED: 7, + + // Transaction types + NON_INVITE_CLIENT: 'nict', + NON_INVITE_SERVER: 'nist', + INVITE_CLIENT: 'ict', + INVITE_SERVER: 'ist' + }; + +function buildViaHeader (request_sender, transport, id) { + var via; + via = 'SIP/2.0/' + (request_sender.ua.configuration.hackViaTcp ? 'TCP' : transport.server.scheme); + via += ' ' + request_sender.ua.configuration.viaHost + ';branch=' + id; + if (request_sender.ua.configuration.forceRport) { + via += ';rport'; + } + return via; +} + +/** +* @augments SIP.Transactions +* @class Non Invite Client Transaction +* @param {SIP.RequestSender} request_sender +* @param {SIP.OutgoingRequest} request +* @param {SIP.Transport} transport +*/ +var NonInviteClientTransaction = function(request_sender, request, transport) { + var via; + + this.type = C.NON_INVITE_CLIENT; + this.transport = transport; + this.id = 'z9hG4bK' + Math.floor(Math.random() * 10000000); + this.request_sender = request_sender; + this.request = request; + + this.logger = request_sender.ua.getLogger('sip.transaction.nict', this.id); + + via = buildViaHeader(request_sender, transport, this.id); + this.request.setHeader('via', via); + + this.request_sender.ua.newTransaction(this); +}; +NonInviteClientTransaction.prototype = Object.create(SIP.EventEmitter.prototype); + +NonInviteClientTransaction.prototype.stateChanged = function(state) { + this.state = state; + this.emit('stateChanged'); +}; + +NonInviteClientTransaction.prototype.send = function() { + var tr = this; + + this.stateChanged(C.STATUS_TRYING); + this.F = SIP.Timers.setTimeout(tr.timer_F.bind(tr), SIP.Timers.TIMER_F); + + if(!this.transport.send(this.request)) { + this.onTransportError(); + } +}; + +NonInviteClientTransaction.prototype.onTransportError = function() { + this.logger.log('transport error occurred, deleting non-INVITE client transaction ' + this.id); + SIP.Timers.clearTimeout(this.F); + SIP.Timers.clearTimeout(this.K); + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); + this.request_sender.onTransportError(); +}; + +NonInviteClientTransaction.prototype.timer_F = function() { + this.logger.log('Timer F expired for non-INVITE client transaction ' + this.id); + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); + this.request_sender.onRequestTimeout(); +}; + +NonInviteClientTransaction.prototype.timer_K = function() { + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); +}; + +NonInviteClientTransaction.prototype.receiveResponse = function(response) { + var + tr = this, + status_code = response.status_code; + + if(status_code < 200) { + switch(this.state) { + case C.STATUS_TRYING: + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_PROCEEDING); + this.request_sender.receiveResponse(response); + break; + } + } else { + switch(this.state) { + case C.STATUS_TRYING: + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_COMPLETED); + SIP.Timers.clearTimeout(this.F); + + if(status_code === 408) { + this.request_sender.onRequestTimeout(); + } else { + this.request_sender.receiveResponse(response); + } + + this.K = SIP.Timers.setTimeout(tr.timer_K.bind(tr), SIP.Timers.TIMER_K); + break; + case C.STATUS_COMPLETED: + break; + } + } +}; + + + +/** +* @augments SIP.Transactions +* @class Invite Client Transaction +* @param {SIP.RequestSender} request_sender +* @param {SIP.OutgoingRequest} request +* @param {SIP.Transport} transport +*/ +var InviteClientTransaction = function(request_sender, request, transport) { + var via, + tr = this; + + this.type = C.INVITE_CLIENT; + this.transport = transport; + this.id = 'z9hG4bK' + Math.floor(Math.random() * 10000000); + this.request_sender = request_sender; + this.request = request; + + this.logger = request_sender.ua.getLogger('sip.transaction.ict', this.id); + + via = buildViaHeader(request_sender, transport, this.id); + this.request.setHeader('via', via); + + this.request_sender.ua.newTransaction(this); + + // Add the cancel property to the request. + //Will be called from the request instance, not the transaction itself. + this.request.cancel = function(reason, extraHeaders) { + extraHeaders = (extraHeaders || []).slice(); + var length = extraHeaders.length; + var extraHeadersString = null; + for (var idx = 0; idx < length; idx++) { + extraHeadersString = (extraHeadersString || '') + extraHeaders[idx].trim() + '\r\n'; + } + + tr.cancel_request(tr, reason, extraHeadersString); + }; +}; +InviteClientTransaction.prototype = Object.create(SIP.EventEmitter.prototype); + +InviteClientTransaction.prototype.stateChanged = function(state) { + this.state = state; + this.emit('stateChanged'); +}; + +InviteClientTransaction.prototype.send = function() { + var tr = this; + this.stateChanged(C.STATUS_CALLING); + this.B = SIP.Timers.setTimeout(tr.timer_B.bind(tr), SIP.Timers.TIMER_B); + + if(!this.transport.send(this.request)) { + this.onTransportError(); + } +}; + +InviteClientTransaction.prototype.onTransportError = function() { + this.logger.log('transport error occurred, deleting INVITE client transaction ' + this.id); + SIP.Timers.clearTimeout(this.B); + SIP.Timers.clearTimeout(this.D); + SIP.Timers.clearTimeout(this.M); + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); + + if (this.state !== C.STATUS_ACCEPTED) { + this.request_sender.onTransportError(); + } +}; + +// RFC 6026 7.2 +InviteClientTransaction.prototype.timer_M = function() { + this.logger.log('Timer M expired for INVITE client transaction ' + this.id); + + if(this.state === C.STATUS_ACCEPTED) { + SIP.Timers.clearTimeout(this.B); + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); + } +}; + +// RFC 3261 17.1.1 +InviteClientTransaction.prototype.timer_B = function() { + this.logger.log('Timer B expired for INVITE client transaction ' + this.id); + if(this.state === C.STATUS_CALLING) { + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); + this.request_sender.onRequestTimeout(); + } +}; + +InviteClientTransaction.prototype.timer_D = function() { + this.logger.log('Timer D expired for INVITE client transaction ' + this.id); + SIP.Timers.clearTimeout(this.B); + this.stateChanged(C.STATUS_TERMINATED); + this.request_sender.ua.destroyTransaction(this); +}; + +InviteClientTransaction.prototype.sendACK = function(response) { + var tr = this; + + this.ack = 'ACK ' + this.request.ruri + ' SIP/2.0\r\n'; + this.ack += 'Via: ' + this.request.headers['Via'].toString() + '\r\n'; + + if(this.request.headers['Route']) { + this.ack += 'Route: ' + this.request.headers['Route'].toString() + '\r\n'; + } + + this.ack += 'To: ' + response.getHeader('to') + '\r\n'; + this.ack += 'From: ' + this.request.headers['From'].toString() + '\r\n'; + this.ack += 'Call-ID: ' + this.request.headers['Call-ID'].toString() + '\r\n'; + this.ack += 'Content-Length: 0\r\n'; + this.ack += 'CSeq: ' + this.request.headers['CSeq'].toString().split(' ')[0]; + this.ack += ' ACK\r\n\r\n'; + + this.D = SIP.Timers.setTimeout(tr.timer_D.bind(tr), SIP.Timers.TIMER_D); + + this.transport.send(this.ack); +}; + +InviteClientTransaction.prototype.cancel_request = function(tr, reason, extraHeaders) { + var request = tr.request; + + this.cancel = SIP.C.CANCEL + ' ' + request.ruri + ' SIP/2.0\r\n'; + this.cancel += 'Via: ' + request.headers['Via'].toString() + '\r\n'; + + if(this.request.headers['Route']) { + this.cancel += 'Route: ' + request.headers['Route'].toString() + '\r\n'; + } + + this.cancel += 'To: ' + request.headers['To'].toString() + '\r\n'; + this.cancel += 'From: ' + request.headers['From'].toString() + '\r\n'; + this.cancel += 'Call-ID: ' + request.headers['Call-ID'].toString() + '\r\n'; + this.cancel += 'CSeq: ' + request.headers['CSeq'].toString().split(' ')[0] + + ' CANCEL\r\n'; + + if(reason) { + this.cancel += 'Reason: ' + reason + '\r\n'; + } + + if (extraHeaders) { + this.cancel += extraHeaders; + } + + this.cancel += 'Content-Length: 0\r\n\r\n'; + + // Send only if a provisional response (>100) has been received. + if(this.state === C.STATUS_PROCEEDING) { + this.transport.send(this.cancel); + } +}; + +InviteClientTransaction.prototype.receiveResponse = function(response) { + var + tr = this, + status_code = response.status_code; + + if(status_code >= 100 && status_code <= 199) { + switch(this.state) { + case C.STATUS_CALLING: + this.stateChanged(C.STATUS_PROCEEDING); + this.request_sender.receiveResponse(response); + if(this.cancel) { + this.transport.send(this.cancel); + } + break; + case C.STATUS_PROCEEDING: + this.request_sender.receiveResponse(response); + break; + } + } else if(status_code >= 200 && status_code <= 299) { + switch(this.state) { + case C.STATUS_CALLING: + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_ACCEPTED); + this.M = SIP.Timers.setTimeout(tr.timer_M.bind(tr), SIP.Timers.TIMER_M); + this.request_sender.receiveResponse(response); + break; + case C.STATUS_ACCEPTED: + this.request_sender.receiveResponse(response); + break; + } + } else if(status_code >= 300 && status_code <= 699) { + switch(this.state) { + case C.STATUS_CALLING: + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_COMPLETED); + this.sendACK(response); + this.request_sender.receiveResponse(response); + break; + case C.STATUS_COMPLETED: + this.sendACK(response); + break; + } + } +}; + + +/** + * @augments SIP.Transactions + * @class ACK Client Transaction + * @param {SIP.RequestSender} request_sender + * @param {SIP.OutgoingRequest} request + * @param {SIP.Transport} transport + */ +var AckClientTransaction = function(request_sender, request, transport) { + var via; + + this.transport = transport; + this.id = 'z9hG4bK' + Math.floor(Math.random() * 10000000); + this.request_sender = request_sender; + this.request = request; + + this.logger = request_sender.ua.getLogger('sip.transaction.nict', this.id); + + via = buildViaHeader(request_sender, transport, this.id); + this.request.setHeader('via', via); +}; +AckClientTransaction.prototype = Object.create(SIP.EventEmitter.prototype); + +AckClientTransaction.prototype.send = function() { + if(!this.transport.send(this.request)) { + this.onTransportError(); + } +}; + +AckClientTransaction.prototype.onTransportError = function() { + this.logger.log('transport error occurred, for an ACK client transaction ' + this.id); + this.request_sender.onTransportError(); +}; + + +/** +* @augments SIP.Transactions +* @class Non Invite Server Transaction +* @param {SIP.IncomingRequest} request +* @param {SIP.UA} ua +*/ +var NonInviteServerTransaction = function(request, ua) { + this.type = C.NON_INVITE_SERVER; + this.id = request.via_branch; + this.request = request; + this.transport = request.transport; + this.ua = ua; + this.last_response = ''; + request.server_transaction = this; + + this.logger = ua.getLogger('sip.transaction.nist', this.id); + + this.state = C.STATUS_TRYING; + + ua.newTransaction(this); +}; +NonInviteServerTransaction.prototype = Object.create(SIP.EventEmitter.prototype); + +NonInviteServerTransaction.prototype.stateChanged = function(state) { + this.state = state; + this.emit('stateChanged'); +}; + +NonInviteServerTransaction.prototype.timer_J = function() { + this.logger.log('Timer J expired for non-INVITE server transaction ' + this.id); + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); +}; + +NonInviteServerTransaction.prototype.onTransportError = function() { + if (!this.transportError) { + this.transportError = true; + + this.logger.log('transport error occurred, deleting non-INVITE server transaction ' + this.id); + + SIP.Timers.clearTimeout(this.J); + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); + } +}; + +NonInviteServerTransaction.prototype.receiveResponse = function(status_code, response) { + var tr = this; + var deferred = SIP.Utils.defer(); + + if(status_code === 100) { + /* RFC 4320 4.1 + * 'A SIP element MUST NOT + * send any provisional response with a + * Status-Code other than 100 to a non-INVITE request.' + */ + switch(this.state) { + case C.STATUS_TRYING: + this.stateChanged(C.STATUS_PROCEEDING); + if(!this.transport.send(response)) { + this.onTransportError(); + } + break; + case C.STATUS_PROCEEDING: + this.last_response = response; + if(!this.transport.send(response)) { + this.onTransportError(); + deferred.reject(); + } else { + deferred.resolve(); + } + break; + } + } else if(status_code >= 200 && status_code <= 699) { + switch(this.state) { + case C.STATUS_TRYING: + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_COMPLETED); + this.last_response = response; + this.J = SIP.Timers.setTimeout(tr.timer_J.bind(tr), SIP.Timers.TIMER_J); + if(!this.transport.send(response)) { + this.onTransportError(); + deferred.reject(); + } else { + deferred.resolve(); + } + break; + case C.STATUS_COMPLETED: + break; + } + } + + return deferred.promise; +}; + +/** +* @augments SIP.Transactions +* @class Invite Server Transaction +* @param {SIP.IncomingRequest} request +* @param {SIP.UA} ua +*/ +var InviteServerTransaction = function(request, ua) { + this.type = C.INVITE_SERVER; + this.id = request.via_branch; + this.request = request; + this.transport = request.transport; + this.ua = ua; + this.last_response = ''; + request.server_transaction = this; + + this.logger = ua.getLogger('sip.transaction.ist', this.id); + + this.state = C.STATUS_PROCEEDING; + + ua.newTransaction(this); + + this.resendProvisionalTimer = null; + + request.reply(100); +}; +InviteServerTransaction.prototype = Object.create(SIP.EventEmitter.prototype); + +InviteServerTransaction.prototype.stateChanged = function(state) { + this.state = state; + this.emit('stateChanged'); +}; + +InviteServerTransaction.prototype.timer_H = function() { + this.logger.log('Timer H expired for INVITE server transaction ' + this.id); + + if(this.state === C.STATUS_COMPLETED) { + this.logger.warn('transactions', 'ACK for INVITE server transaction was never received, call will be terminated'); + } + + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); +}; + +InviteServerTransaction.prototype.timer_I = function() { + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); +}; + +// RFC 6026 7.1 +InviteServerTransaction.prototype.timer_L = function() { + this.logger.log('Timer L expired for INVITE server transaction ' + this.id); + + if(this.state === C.STATUS_ACCEPTED) { + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); + } +}; + +InviteServerTransaction.prototype.onTransportError = function() { + if (!this.transportError) { + this.transportError = true; + + this.logger.log('transport error occurred, deleting INVITE server transaction ' + this.id); + + if (this.resendProvisionalTimer !== null) { + SIP.Timers.clearInterval(this.resendProvisionalTimer); + this.resendProvisionalTimer = null; + } + + SIP.Timers.clearTimeout(this.L); + SIP.Timers.clearTimeout(this.H); + SIP.Timers.clearTimeout(this.I); + + this.stateChanged(C.STATUS_TERMINATED); + this.ua.destroyTransaction(this); + } +}; + +InviteServerTransaction.prototype.resend_provisional = function() { + if(!this.transport.send(this.last_response)) { + this.onTransportError(); + } +}; + +// INVITE Server Transaction RFC 3261 17.2.1 +InviteServerTransaction.prototype.receiveResponse = function(status_code, response) { + var tr = this; + var deferred = SIP.Utils.defer(); + + if(status_code >= 100 && status_code <= 199) { + switch(this.state) { + case C.STATUS_PROCEEDING: + if(!this.transport.send(response)) { + this.onTransportError(); + } + this.last_response = response; + break; + } + } + + if(status_code > 100 && status_code <= 199 && this.state === C.STATUS_PROCEEDING) { + // Trigger the resendProvisionalTimer only for the first non 100 provisional response. + if(this.resendProvisionalTimer === null) { + this.resendProvisionalTimer = SIP.Timers.setInterval(tr.resend_provisional.bind(tr), + SIP.Timers.PROVISIONAL_RESPONSE_INTERVAL); + } + } else if(status_code >= 200 && status_code <= 299) { + switch(this.state) { + case C.STATUS_PROCEEDING: + this.stateChanged(C.STATUS_ACCEPTED); + this.last_response = response; + this.L = SIP.Timers.setTimeout(tr.timer_L.bind(tr), SIP.Timers.TIMER_L); + + if (this.resendProvisionalTimer !== null) { + SIP.Timers.clearInterval(this.resendProvisionalTimer); + this.resendProvisionalTimer = null; + } + /* falls through */ + case C.STATUS_ACCEPTED: + // Note that this point will be reached for proceeding tr.state also. + if(!this.transport.send(response)) { + this.onTransportError(); + deferred.reject(); + } else { + deferred.resolve(); + } + break; + } + } else if(status_code >= 300 && status_code <= 699) { + switch(this.state) { + case C.STATUS_PROCEEDING: + if (this.resendProvisionalTimer !== null) { + SIP.Timers.clearInterval(this.resendProvisionalTimer); + this.resendProvisionalTimer = null; + } + + if(!this.transport.send(response)) { + this.onTransportError(); + deferred.reject(); + } else { + this.stateChanged(C.STATUS_COMPLETED); + this.H = SIP.Timers.setTimeout(tr.timer_H.bind(tr), SIP.Timers.TIMER_H); + deferred.resolve(); + } + break; + } + } + + return deferred.promise; +}; + +/** + * @function + * @param {SIP.UA} ua + * @param {SIP.IncomingRequest} request + * + * @return {boolean} + * INVITE: + * _true_ if retransmission + * _false_ new request + * + * ACK: + * _true_ ACK to non2xx response + * _false_ ACK must be passed to TU (accepted state) + * ACK to 2xx response + * + * CANCEL: + * _true_ no matching invite transaction + * _false_ matching invite transaction and no final response sent + * + * OTHER: + * _true_ retransmission + * _false_ new request + */ +var checkTransaction = function(ua, request) { + var tr; + + switch(request.method) { + case SIP.C.INVITE: + tr = ua.transactions.ist[request.via_branch]; + if(tr) { + switch(tr.state) { + case C.STATUS_PROCEEDING: + tr.transport.send(tr.last_response); + break; + + // RFC 6026 7.1 Invite retransmission + //received while in C.STATUS_ACCEPTED state. Absorb it. + case C.STATUS_ACCEPTED: + break; + } + return true; + } + break; + case SIP.C.ACK: + tr = ua.transactions.ist[request.via_branch]; + + // RFC 6026 7.1 + if(tr) { + if(tr.state === C.STATUS_ACCEPTED) { + return false; + } else if(tr.state === C.STATUS_COMPLETED) { + tr.stateChanged(C.STATUS_CONFIRMED); + tr.I = SIP.Timers.setTimeout(tr.timer_I.bind(tr), SIP.Timers.TIMER_I); + return true; + } + } + + // ACK to 2XX Response. + else { + return false; + } + break; + case SIP.C.CANCEL: + tr = ua.transactions.ist[request.via_branch]; + if(tr) { + request.reply_sl(200); + if(tr.state === C.STATUS_PROCEEDING) { + return false; + } else { + return true; + } + } else { + request.reply_sl(481); + return true; + } + break; + default: + + // Non-INVITE Server Transaction RFC 3261 17.2.2 + tr = ua.transactions.nist[request.via_branch]; + if(tr) { + switch(tr.state) { + case C.STATUS_TRYING: + break; + case C.STATUS_PROCEEDING: + case C.STATUS_COMPLETED: + tr.transport.send(tr.last_response); + break; + } + return true; + } + break; + } +}; + +SIP.Transactions = { + C: C, + checkTransaction: checkTransaction, + NonInviteClientTransaction: NonInviteClientTransaction, + InviteClientTransaction: InviteClientTransaction, + AckClientTransaction: AckClientTransaction, + NonInviteServerTransaction: NonInviteServerTransaction, + InviteServerTransaction: InviteServerTransaction +}; + +}; + +},{}],28:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview Transport + */ + +/** + * @augments SIP + * @class Transport + * @param {SIP.UA} ua + * @param {Object} server ws_server Object + */ +module.exports = function (SIP, WebSocket) { +var Transport, + C = { + // Transport status codes + STATUS_READY: 0, + STATUS_DISCONNECTED: 1, + STATUS_ERROR: 2 + }; + +/** + * Compute an amount of time in seconds to wait before sending another + * keep-alive. + * @returns {Number} + */ +function computeKeepAliveTimeout(upperBound) { + var lowerBound = upperBound * 0.8; + return 1000 * (Math.random() * (upperBound - lowerBound) + lowerBound); +} + +Transport = function(ua, server) { + + this.logger = ua.getLogger('sip.transport'); + this.ua = ua; + this.ws = null; + this.server = server; + this.reconnection_attempts = 0; + this.closed = false; + this.connected = false; + this.reconnectTimer = null; + this.lastTransportError = {}; + + this.keepAliveInterval = ua.configuration.keepAliveInterval; + this.keepAliveTimeout = null; + this.keepAliveTimer = null; + + this.ua.transport = this; + + // Connect + this.connect(); +}; + +Transport.prototype = { + /** + * Send a message. + * @param {SIP.OutgoingRequest|String} msg + * @returns {Boolean} + */ + send: function(msg) { + var message = msg.toString(); + + if(this.ws && this.ws.readyState === WebSocket.OPEN) { + if (this.ua.configuration.traceSip === true) { + this.logger.log('sending WebSocket message:\n\n' + message + '\n'); + } + this.ws.send(message); + return true; + } else { + this.logger.warn('unable to send message, WebSocket is not open'); + return false; + } + }, + + /** + * Send a keep-alive (a double-CRLF sequence). + * @private + * @returns {Boolean} + */ + sendKeepAlive: function() { + if(this.keepAliveTimeout) { return; } + + this.keepAliveTimeout = SIP.Timers.setTimeout(function() { + this.ua.emit('keepAliveTimeout'); + }.bind(this), 10000); + + return this.send('\r\n\r\n'); + }, + + /** + * Start sending keep-alives. + * @private + */ + startSendingKeepAlives: function() { + if (this.keepAliveInterval && !this.keepAliveTimer) { + this.keepAliveTimer = SIP.Timers.setTimeout(function() { + this.sendKeepAlive(); + this.keepAliveTimer = null; + this.startSendingKeepAlives(); + }.bind(this), computeKeepAliveTimeout(this.keepAliveInterval)); + } + }, + + /** + * Stop sending keep-alives. + * @private + */ + stopSendingKeepAlives: function() { + SIP.Timers.clearTimeout(this.keepAliveTimer); + SIP.Timers.clearTimeout(this.keepAliveTimeout); + this.keepAliveTimer = null; + this.keepAliveTimeout = null; + }, + + /** + * Disconnect socket. + */ + disconnect: function() { + if(this.ws) { + // Clear reconnectTimer + SIP.Timers.clearTimeout(this.reconnectTimer); + + this.stopSendingKeepAlives(); + + this.closed = true; + this.logger.log('closing WebSocket ' + this.server.ws_uri); + this.ws.close(); + this.ws = null; + } + + if (this.reconnectTimer !== null) { + SIP.Timers.clearTimeout(this.reconnectTimer); + this.reconnectTimer = null; + this.ua.emit('disconnected', { + transport: this, + code: this.lastTransportError.code, + reason: this.lastTransportError.reason + }); + } + }, + + /** + * Connect socket. + */ + connect: function() { + var transport = this; + + if(this.ws && (this.ws.readyState === WebSocket.OPEN || this.ws.readyState === WebSocket.CONNECTING)) { + this.logger.log('WebSocket ' + this.server.ws_uri + ' is already connected'); + return false; + } + + if(this.ws) { + this.ws.close(); + this.ws = null; + } + + this.logger.log('connecting to WebSocket ' + this.server.ws_uri); + this.ua.onTransportConnecting(this, + (this.reconnection_attempts === 0)?1:this.reconnection_attempts); + + try { + this.ws = new WebSocket(this.server.ws_uri, 'sip'); + } catch(e) { + this.logger.warn('error connecting to WebSocket ' + this.server.ws_uri + ': ' + e); + } + + this.ws.binaryType = 'arraybuffer'; + + this.ws.onopen = function() { + transport.onOpen(); + }; + + this.ws.onclose = function(e) { + transport.onClose(e); + // Always cleanup. Eases GC, prevents potential memory leaks. + this.onopen = null; + this.onclose = null; + this.onmessage = null; + this.onerror = null; + }; + + this.ws.onmessage = function(e) { + transport.onMessage(e); + }; + + this.ws.onerror = function(e) { + transport.onError(e); + }; + }, + + // Transport Event Handlers + + /** + * @event + * @param {event} e + */ + onOpen: function() { + this.connected = true; + + this.logger.log('WebSocket ' + this.server.ws_uri + ' connected'); + // Clear reconnectTimer since we are not disconnected + if (this.reconnectTimer !== null) { + SIP.Timers.clearTimeout(this.reconnectTimer); + this.reconnectTimer = null; + } + // Reset reconnection_attempts + this.reconnection_attempts = 0; + // Disable closed + this.closed = false; + // Trigger onTransportConnected callback + this.ua.onTransportConnected(this); + // Start sending keep-alives + this.startSendingKeepAlives(); + }, + + /** + * @event + * @param {event} e + */ + onClose: function(e) { + var connected_before = this.connected; + + this.lastTransportError.code = e.code; + this.lastTransportError.reason = e.reason; + + this.stopSendingKeepAlives(); + + if (this.reconnection_attempts > 0) { + this.logger.log('Reconnection attempt ' + this.reconnection_attempts + ' failed (code: ' + e.code + (e.reason? '| reason: ' + e.reason : '') +')'); + this.reconnect(); + } else { + this.connected = false; + this.logger.log('WebSocket disconnected (code: ' + e.code + (e.reason? '| reason: ' + e.reason : '') +')'); + + if(e.wasClean === false) { + this.logger.warn('WebSocket abrupt disconnection'); + } + // Transport was connected + if(connected_before === true) { + this.ua.onTransportClosed(this); + // Check whether the user requested to close. + if(!this.closed) { + this.reconnect(); + } else { + this.ua.emit('disconnected', { + transport: this, + code: this.lastTransportError.code, + reason: this.lastTransportError.reason + }); + + } + } else { + // This is the first connection attempt + //Network error + this.ua.onTransportError(this); + } + } + }, + + /** + * @event + * @param {event} e + */ + onMessage: function(e) { + var message, transaction, + data = e.data; + + // CRLF Keep Alive response from server. Ignore it. + if(data === '\r\n') { + SIP.Timers.clearTimeout(this.keepAliveTimeout); + this.keepAliveTimeout = null; + + if (this.ua.configuration.traceSip === true) { + this.logger.log('received WebSocket message with CRLF Keep Alive response'); + } + + return; + } + + // WebSocket binary message. + else if (typeof data !== 'string') { + try { + data = String.fromCharCode.apply(null, new Uint8Array(data)); + } catch(evt) { + this.logger.warn('received WebSocket binary message failed to be converted into string, message discarded'); + return; + } + + if (this.ua.configuration.traceSip === true) { + this.logger.log('received WebSocket binary message:\n\n' + data + '\n'); + } + } + + // WebSocket text message. + else { + if (this.ua.configuration.traceSip === true) { + this.logger.log('received WebSocket text message:\n\n' + data + '\n'); + } + } + + message = SIP.Parser.parseMessage(data, this.ua); + + if (!message) { + return; + } + + if(this.ua.status === SIP.UA.C.STATUS_USER_CLOSED && message instanceof SIP.IncomingRequest) { + return; + } + + // Do some sanity check + if(SIP.sanityCheck(message, this.ua, this)) { + if(message instanceof SIP.IncomingRequest) { + message.transport = this; + this.ua.receiveRequest(message); + } else if(message instanceof SIP.IncomingResponse) { + /* Unike stated in 18.1.2, if a response does not match + * any transaction, it is discarded here and no passed to the core + * in order to be discarded there. + */ + switch(message.method) { + case SIP.C.INVITE: + transaction = this.ua.transactions.ict[message.via_branch]; + if(transaction) { + transaction.receiveResponse(message); + } + break; + case SIP.C.ACK: + // Just in case ;-) + break; + default: + transaction = this.ua.transactions.nict[message.via_branch]; + if(transaction) { + transaction.receiveResponse(message); + } + break; + } + } + } + }, + + /** + * @event + * @param {event} e + */ + onError: function(e) { + this.logger.warn('WebSocket connection error: ' + JSON.stringify(e)); + }, + + /** + * Reconnection attempt logic. + * @private + */ + reconnect: function() { + var transport = this; + + this.reconnection_attempts += 1; + + if(this.reconnection_attempts > this.ua.configuration.wsServerMaxReconnection) { + this.logger.warn('maximum reconnection attempts for WebSocket ' + this.server.ws_uri); + this.ua.onTransportError(this); + } else if (this.reconnection_attempts === 1) { + this.logger.log('Connection to WebSocket ' + this.server.ws_uri + ' severed, attempting first reconnect'); + transport.connect(); + } else { + this.logger.log('trying to reconnect to WebSocket ' + this.server.ws_uri + ' (reconnection attempt ' + this.reconnection_attempts + ')'); + + this.reconnectTimer = SIP.Timers.setTimeout(function() { + transport.connect(); + transport.reconnectTimer = null; + }, this.ua.configuration.wsServerReconnectionTimeout * 1000); + } + } +}; + +Transport.C = C; +return Transport; +}; + +},{}],29:[function(require,module,exports){ +(function (global){ +"use strict"; +/** + * @augments SIP + * @class Class creating a SIP User Agent. + * @param {function returning SIP.MediaHandler} [configuration.mediaHandlerFactory] + * A function will be invoked by each of the UA's Sessions to build the MediaHandler for that Session. + * If no (or a falsy) value is provided, each Session will use a default (WebRTC) MediaHandler. + * + * @param {Object} [configuration.media] gets passed to SIP.MediaHandler.getDescription as mediaHint + */ +module.exports = function (SIP, environment) { +var UA, + C = { + // UA status codes + STATUS_INIT: 0, + STATUS_STARTING: 1, + STATUS_READY: 2, + STATUS_USER_CLOSED: 3, + STATUS_NOT_READY: 4, + + // UA error codes + CONFIGURATION_ERROR: 1, + NETWORK_ERROR: 2, + + ALLOWED_METHODS: [ + 'ACK', + 'CANCEL', + 'INVITE', + 'MESSAGE', + 'BYE', + 'OPTIONS', + 'INFO', + 'NOTIFY', + 'REFER' + ], + + ACCEPTED_BODY_TYPES: [ + 'application/sdp', + 'application/dtmf-relay' + ], + + MAX_FORWARDS: 70, + TAG_LENGTH: 10 + }; + +UA = function(configuration) { + var self = this; + + // Helper function for forwarding events + function selfEmit(type) { + //registrationFailed handler is invoked with two arguments. Allow event handlers to be invoked with a variable no. of arguments + return self.emit.bind(self, type); + } + + // Set Accepted Body Types + C.ACCEPTED_BODY_TYPES = C.ACCEPTED_BODY_TYPES.toString(); + + this.log = new SIP.LoggerFactory(); + this.logger = this.getLogger('sip.ua'); + + this.cache = { + credentials: {} + }; + + this.configuration = {}; + this.dialogs = {}; + + //User actions outside any session/dialog (MESSAGE) + this.applicants = {}; + + this.data = {}; + this.sessions = {}; + this.subscriptions = {}; + this.earlySubscriptions = {}; + this.transport = null; + this.contact = null; + this.status = C.STATUS_INIT; + this.error = null; + this.transactions = { + nist: {}, + nict: {}, + ist: {}, + ict: {} + }; + + this.transportRecoverAttempts = 0; + this.transportRecoveryTimer = null; + + Object.defineProperties(this, { + transactionsCount: { + get: function() { + var type, + transactions = ['nist','nict','ist','ict'], + count = 0; + + for (type in transactions) { + count += Object.keys(this.transactions[transactions[type]]).length; + } + + return count; + } + }, + + nictTransactionsCount: { + get: function() { + return Object.keys(this.transactions['nict']).length; + } + }, + + nistTransactionsCount: { + get: function() { + return Object.keys(this.transactions['nist']).length; + } + }, + + ictTransactionsCount: { + get: function() { + return Object.keys(this.transactions['ict']).length; + } + }, + + istTransactionsCount: { + get: function() { + return Object.keys(this.transactions['ist']).length; + } + } + }); + + /** + * Load configuration + * + * @throws {SIP.Exceptions.ConfigurationError} + * @throws {TypeError} + */ + + if(configuration === undefined) { + configuration = {}; + } else if (typeof configuration === 'string' || configuration instanceof String) { + configuration = { + uri: configuration + }; + } + + // Apply log configuration if present + if (configuration.log) { + if (configuration.log.hasOwnProperty('builtinEnabled')) { + this.log.builtinEnabled = configuration.log.builtinEnabled; + } + + if (configuration.log.hasOwnProperty('level')) { + this.log.level = configuration.log.level; + } + + if (configuration.log.hasOwnProperty('connector')) { + this.log.connector = configuration.log.connector; + } + } + + try { + this.loadConfig(configuration); + } catch(e) { + this.status = C.STATUS_NOT_READY; + this.error = C.CONFIGURATION_ERROR; + throw e; + } + + // Initialize registerContext + this.registerContext = new SIP.RegisterContext(this); + this.registerContext.on('failed', selfEmit('registrationFailed')); + this.registerContext.on('registered', selfEmit('registered')); + this.registerContext.on('unregistered', selfEmit('unregistered')); + + if(this.configuration.autostart) { + this.start(); + } +}; +UA.prototype = Object.create(SIP.EventEmitter.prototype); + +//================= +// High Level API +//================= + +UA.prototype.register = function(options) { + this.configuration.register = true; + this.registerContext.register(options); + + return this; +}; + +/** + * Unregister. + * + * @param {Boolean} [all] unregister all user bindings. + * + */ +UA.prototype.unregister = function(options) { + this.configuration.register = false; + + var context = this.registerContext; + this.afterConnected(context.unregister.bind(context, options)); + + return this; +}; + +UA.prototype.isRegistered = function() { + return this.registerContext.registered; +}; + +/** + * Connection state. + * @param {Boolean} + */ +UA.prototype.isConnected = function() { + return this.transport ? this.transport.connected : false; +}; + +UA.prototype.afterConnected = function afterConnected (callback) { + if (this.isConnected()) { + callback(); + } else { + this.once('connected', callback); + } +}; + +/** + * Make an outgoing call. + * + * @param {String} target + * @param {Object} views + * @param {Object} [options.media] gets passed to SIP.MediaHandler.getDescription as mediaHint + * + * @throws {TypeError} + * + */ +UA.prototype.invite = function(target, options) { + var context = new SIP.InviteClientContext(this, target, options); + + this.afterConnected(context.invite.bind(context)); + this.emit('inviteSent', context); + return context; +}; + +UA.prototype.subscribe = function(target, event, options) { + var sub = new SIP.Subscription(this, target, event, options); + + this.afterConnected(sub.subscribe.bind(sub)); + return sub; +}; + +/** + * Send a message. + * + * @param {String} target + * @param {String} body + * @param {Object} [options] + * + * @throws {TypeError} + * + */ +UA.prototype.message = function(target, body, options) { + if (body === undefined) { + throw new TypeError('Not enough arguments'); + } + + // There is no Message module, so it is okay that the UA handles defaults here. + options = Object.create(options || Object.prototype); + options.contentType || (options.contentType = 'text/plain'); + options.body = body; + + return this.request(SIP.C.MESSAGE, target, options); +}; + +UA.prototype.request = function (method, target, options) { + var req = new SIP.ClientContext(this, method, target, options); + + this.afterConnected(req.send.bind(req)); + return req; +}; + +/** + * Gracefully close. + * + */ +UA.prototype.stop = function() { + var session, subscription, applicant, + ua = this; + + function transactionsListener() { + if (ua.nistTransactionsCount === 0 && ua.nictTransactionsCount === 0) { + ua.removeListener('transactionDestroyed', transactionsListener); + ua.transport.disconnect(); + } + } + + this.logger.log('user requested closure...'); + + if(this.status === C.STATUS_USER_CLOSED) { + this.logger.warn('UA already closed'); + return this; + } + + // Clear transportRecoveryTimer + SIP.Timers.clearTimeout(this.transportRecoveryTimer); + + // Close registerContext + this.logger.log('closing registerContext'); + this.registerContext.close(); + + // Run _terminate_ on every Session + for(session in this.sessions) { + this.logger.log('closing session ' + session); + this.sessions[session].terminate(); + } + + //Run _close_ on every confirmed Subscription + for(subscription in this.subscriptions) { + this.logger.log('unsubscribing from subscription ' + subscription); + this.subscriptions[subscription].close(); + } + + //Run _close_ on every early Subscription + for(subscription in this.earlySubscriptions) { + this.logger.log('unsubscribing from early subscription ' + subscription); + this.earlySubscriptions[subscription].close(); + } + + // Run _close_ on every applicant + for(applicant in this.applicants) { + this.applicants[applicant].close(); + } + + this.status = C.STATUS_USER_CLOSED; + + /* + * If the remaining transactions are all INVITE transactions, there is no need to + * wait anymore because every session has already been closed by this method. + * - locally originated sessions where terminated (CANCEL or BYE) + * - remotely originated sessions where rejected (4XX) or terminated (BYE) + * Remaining INVITE transactions belong tho sessions that where answered. This are in + * 'accepted' state due to timers 'L' and 'M' defined in [RFC 6026] + */ + if (this.nistTransactionsCount === 0 && this.nictTransactionsCount === 0) { + this.transport.disconnect(); + } else { + this.on('transactionDestroyed', transactionsListener); + } + + if (typeof environment.removeEventListener === 'function') { + // Google Chrome Packaged Apps don't allow 'unload' listeners: + // unload is not available in packaged apps + if (!(global.chrome && global.chrome.app && global.chrome.app.runtime)) { + environment.removeEventListener('unload', this.environListener); + } + } + + return this; +}; + +/** + * Connect to the WS server if status = STATUS_INIT. + * Resume UA after being closed. + * + */ +UA.prototype.start = function() { + var server; + + this.logger.log('user requested startup...'); + if (this.status === C.STATUS_INIT) { + server = this.getNextWsServer(); + this.status = C.STATUS_STARTING; + new SIP.Transport(this, server); + } else if(this.status === C.STATUS_USER_CLOSED) { + this.logger.log('resuming'); + this.status = C.STATUS_READY; + this.transport.connect(); + } else if (this.status === C.STATUS_STARTING) { + this.logger.log('UA is in STARTING status, not opening new connection'); + } else if (this.status === C.STATUS_READY) { + this.logger.log('UA is in READY status, not resuming'); + } else { + this.logger.error('Connection is down. Auto-Recovery system is trying to connect'); + } + + if (this.configuration.autostop && typeof environment.addEventListener === 'function') { + // Google Chrome Packaged Apps don't allow 'unload' listeners: + // unload is not available in packaged apps + if (!(global.chrome && global.chrome.app && global.chrome.app.runtime)) { + this.environListener = this.stop.bind(this); + environment.addEventListener('unload', this.environListener); + } + } + + return this; +}; + +/** + * Normalize a string into a valid SIP request URI + * + * @param {String} target + * + * @returns {SIP.URI|undefined} + */ +UA.prototype.normalizeTarget = function(target) { + return SIP.Utils.normalizeTarget(target, this.configuration.hostportParams); +}; + + +//=============================== +// Private (For internal use) +//=============================== + +UA.prototype.saveCredentials = function(credentials) { + this.cache.credentials[credentials.realm] = this.cache.credentials[credentials.realm] || {}; + this.cache.credentials[credentials.realm][credentials.uri] = credentials; + + return this; +}; + +UA.prototype.getCredentials = function(request) { + var realm, credentials; + + realm = request.ruri.host; + + if (this.cache.credentials[realm] && this.cache.credentials[realm][request.ruri]) { + credentials = this.cache.credentials[realm][request.ruri]; + credentials.method = request.method; + } + + return credentials; +}; + +UA.prototype.getLogger = function(category, label) { + return this.log.getLogger(category, label); +}; + + +//============================== +// Event Handlers +//============================== + +/** + * Transport Close event + * @private + * @event + * @param {SIP.Transport} transport. + */ +UA.prototype.onTransportClosed = function(transport) { + // Run _onTransportError_ callback on every client transaction using _transport_ + var type, idx, length, + client_transactions = ['nict', 'ict', 'nist', 'ist']; + + transport.server.status = SIP.Transport.C.STATUS_DISCONNECTED; + this.logger.log('connection state set to '+ SIP.Transport.C.STATUS_DISCONNECTED); + + length = client_transactions.length; + for (type = 0; type < length; type++) { + for(idx in this.transactions[client_transactions[type]]) { + this.transactions[client_transactions[type]][idx].onTransportError(); + } + } + + // Close sessions if GRUU is not being used + if (!this.contact.pub_gruu) { + this.closeSessionsOnTransportError(); + } + +}; + +/** + * Unrecoverable transport event. + * Connection reattempt logic has been done and didn't success. + * @private + * @event + * @param {SIP.Transport} transport. + */ +UA.prototype.onTransportError = function(transport) { + var server; + + this.logger.log('transport ' + transport.server.ws_uri + ' failed | connection state set to '+ SIP.Transport.C.STATUS_ERROR); + + // Close sessions. + //Mark this transport as 'down' + transport.server.status = SIP.Transport.C.STATUS_ERROR; + + this.emit('disconnected', { + transport: transport + }); + + // try the next transport if the UA isn't closed + if(this.status === C.STATUS_USER_CLOSED) { + return; + } + + server = this.getNextWsServer(); + + if(server) { + new SIP.Transport(this, server); + }else { + this.closeSessionsOnTransportError(); + if (!this.error || this.error !== C.NETWORK_ERROR) { + this.status = C.STATUS_NOT_READY; + this.error = C.NETWORK_ERROR; + } + // Transport Recovery process + this.recoverTransport(); + } +}; + +/** + * Transport connection event. + * @private + * @event + * @param {SIP.Transport} transport. + */ +UA.prototype.onTransportConnected = function(transport) { + this.transport = transport; + + // Reset transport recovery counter + this.transportRecoverAttempts = 0; + + transport.server.status = SIP.Transport.C.STATUS_READY; + this.logger.log('connection state set to '+ SIP.Transport.C.STATUS_READY); + + if(this.status === C.STATUS_USER_CLOSED) { + return; + } + + this.status = C.STATUS_READY; + this.error = null; + + if(this.configuration.register) { + this.configuration.authenticationFactory.initialize().then(function () { + this.registerContext.onTransportConnected(); + }.bind(this)); + } + + this.emit('connected', { + transport: transport + }); +}; + + +/** + * Transport connecting event + * @private + * @param {SIP.Transport} transport. + * #param {Integer} attempts. + */ + UA.prototype.onTransportConnecting = function(transport, attempts) { + this.emit('connecting', { + transport: transport, + attempts: attempts + }); + }; + + +/** + * new Transaction + * @private + * @param {SIP.Transaction} transaction. + */ +UA.prototype.newTransaction = function(transaction) { + this.transactions[transaction.type][transaction.id] = transaction; + this.emit('newTransaction', {transaction: transaction}); +}; + + +/** + * destroy Transaction + * @private + * @param {SIP.Transaction} transaction. + */ +UA.prototype.destroyTransaction = function(transaction) { + delete this.transactions[transaction.type][transaction.id]; + this.emit('transactionDestroyed', { + transaction: transaction + }); +}; + + +//========================= +// receiveRequest +//========================= + +/** + * Request reception + * @private + * @param {SIP.IncomingRequest} request. + */ +UA.prototype.receiveRequest = function(request) { + var dialog, session, message, earlySubscription, + method = request.method, + transaction, + replaces, + replacedDialog, + self = this; + + function ruriMatches (uri) { + return uri && uri.user === request.ruri.user; + } + + // Check that request URI points to us + if(!(ruriMatches(this.configuration.uri) || + ruriMatches(this.contact.uri) || + ruriMatches(this.contact.pub_gruu) || + ruriMatches(this.contact.temp_gruu))) { + this.logger.warn('Request-URI does not point to us'); + if (request.method !== SIP.C.ACK) { + request.reply_sl(404); + } + return; + } + + // Check request URI scheme + if(request.ruri.scheme === SIP.C.SIPS) { + request.reply_sl(416); + return; + } + + // Check transaction + if(SIP.Transactions.checkTransaction(this, request)) { + return; + } + + /* RFC3261 12.2.2 + * Requests that do not change in any way the state of a dialog may be + * received within a dialog (for example, an OPTIONS request). + * They are processed as if they had been received outside the dialog. + */ + if(method === SIP.C.OPTIONS) { + new SIP.Transactions.NonInviteServerTransaction(request, this); + request.reply(200, null, [ + 'Allow: '+ SIP.UA.C.ALLOWED_METHODS.toString(), + 'Accept: '+ C.ACCEPTED_BODY_TYPES + ]); + } else if (method === SIP.C.MESSAGE) { + message = new SIP.ServerContext(this, request); + message.body = request.body; + message.content_type = request.getHeader('Content-Type') || 'text/plain'; + + request.reply(200, null); + this.emit('message', message); + } else if (method !== SIP.C.INVITE && + method !== SIP.C.ACK) { + // Let those methods pass through to normal processing for now. + transaction = new SIP.ServerContext(this, request); + } + + // Initial Request + if(!request.to_tag) { + switch(method) { + case SIP.C.INVITE: + replaces = + this.configuration.replaces !== SIP.C.supported.UNSUPPORTED && + request.parseHeader('replaces'); + + if (replaces) { + replacedDialog = this.dialogs[replaces.call_id + replaces.replaces_to_tag + replaces.replaces_from_tag]; + + if (!replacedDialog) { + //Replaced header without a matching dialog, reject + request.reply_sl(481, null); + return; + } else if (replacedDialog.owner.status === SIP.Session.C.STATUS_TERMINATED) { + request.reply_sl(603, null); + return; + } else if (replacedDialog.state === SIP.Dialog.C.STATUS_CONFIRMED && replaces.early_only) { + request.reply_sl(486, null); + return; + } + } + + var isMediaSupported = this.configuration.mediaHandlerFactory.isSupported; + if(!isMediaSupported || isMediaSupported()) { + session = new SIP.InviteServerContext(this, request); + session.replacee = replacedDialog && replacedDialog.owner; + session.on('invite', function() { + self.emit('invite', this); + }); + } else { + this.logger.warn('INVITE received but WebRTC is not supported'); + request.reply(488); + } + break; + case SIP.C.BYE: + // Out of dialog BYE received + request.reply(481); + break; + case SIP.C.CANCEL: + session = this.findSession(request); + if(session) { + session.receiveRequest(request); + } else { + this.logger.warn('received CANCEL request for a non existent session'); + } + break; + case SIP.C.ACK: + /* Absorb it. + * ACK request without a corresponding Invite Transaction + * and without To tag. + */ + break; + case SIP.C.NOTIFY: + if (this.configuration.allowLegacyNotifications && this.listeners('notify').length > 0) { + request.reply(200, null); + self.emit('notify', {request: request}); + } else { + request.reply(481, 'Subscription does not exist'); + } + break; + default: + request.reply(405); + break; + } + } + // In-dialog request + else { + dialog = this.findDialog(request); + + if(dialog) { + if (method === SIP.C.INVITE) { + new SIP.Transactions.InviteServerTransaction(request, this); + } + dialog.receiveRequest(request); + } else if (method === SIP.C.NOTIFY) { + session = this.findSession(request); + earlySubscription = this.findEarlySubscription(request); + if(session) { + session.receiveRequest(request); + } else if(earlySubscription) { + earlySubscription.receiveRequest(request); + } else { + this.logger.warn('received NOTIFY request for a non existent session or subscription'); + request.reply(481, 'Subscription does not exist'); + } + } + /* RFC3261 12.2.2 + * Request with to tag, but no matching dialog found. + * Exception: ACK for an Invite request for which a dialog has not + * been created. + */ + else { + if(method !== SIP.C.ACK) { + request.reply(481); + } + } + } +}; + +//================= +// Utils +//================= + +/** + * Get the session to which the request belongs to, if any. + * @private + * @param {SIP.IncomingRequest} request. + * @returns {SIP.OutgoingSession|SIP.IncomingSession|null} + */ +UA.prototype.findSession = function(request) { + return this.sessions[request.call_id + request.from_tag] || + this.sessions[request.call_id + request.to_tag] || + null; +}; + +/** + * Get the dialog to which the request belongs to, if any. + * @private + * @param {SIP.IncomingRequest} + * @returns {SIP.Dialog|null} + */ +UA.prototype.findDialog = function(request) { + return this.dialogs[request.call_id + request.from_tag + request.to_tag] || + this.dialogs[request.call_id + request.to_tag + request.from_tag] || + null; +}; + +/** + * Get the subscription which has not been confirmed to which the request belongs to, if any + * @private + * @param {SIP.IncomingRequest} + * @returns {SIP.Subscription|null} + */ +UA.prototype.findEarlySubscription = function(request) { + return this.earlySubscriptions[request.call_id + request.to_tag + request.getHeader('event')] || null; +}; + +/** + * Retrieve the next server to which connect. + * @private + * @returns {Object} ws_server + */ +UA.prototype.getNextWsServer = function() { + // Order servers by weight + var idx, length, ws_server, + candidates = []; + + length = this.configuration.wsServers.length; + for (idx = 0; idx < length; idx++) { + ws_server = this.configuration.wsServers[idx]; + + if (ws_server.status === SIP.Transport.C.STATUS_ERROR) { + continue; + } else if (candidates.length === 0) { + candidates.push(ws_server); + } else if (ws_server.weight > candidates[0].weight) { + candidates = [ws_server]; + } else if (ws_server.weight === candidates[0].weight) { + candidates.push(ws_server); + } + } + + idx = Math.floor(Math.random() * candidates.length); + + return candidates[idx]; +}; + +/** + * Close all sessions on transport error. + * @private + */ +UA.prototype.closeSessionsOnTransportError = function() { + var idx; + + // Run _transportError_ for every Session + for(idx in this.sessions) { + this.sessions[idx].onTransportError(); + } + // Call registerContext _onTransportClosed_ + this.registerContext.onTransportClosed(); +}; + +UA.prototype.recoverTransport = function(ua) { + var idx, length, k, nextRetry, count, server; + + ua = ua || this; + count = ua.transportRecoverAttempts; + + length = ua.configuration.wsServers.length; + for (idx = 0; idx < length; idx++) { + ua.configuration.wsServers[idx].status = 0; + } + + server = ua.getNextWsServer(); + + k = Math.floor((Math.random() * Math.pow(2,count)) +1); + nextRetry = k * ua.configuration.connectionRecoveryMinInterval; + + if (nextRetry > ua.configuration.connectionRecoveryMaxInterval) { + this.logger.log('time for next connection attempt exceeds connectionRecoveryMaxInterval, resetting counter'); + nextRetry = ua.configuration.connectionRecoveryMinInterval; + count = 0; + } + + this.logger.log('next connection attempt in '+ nextRetry +' seconds'); + + this.transportRecoveryTimer = SIP.Timers.setTimeout( + function(){ + ua.transportRecoverAttempts = count + 1; + new SIP.Transport(ua, server); + }, nextRetry * 1000); +}; + +function checkAuthenticationFactory (authenticationFactory) { + if (!(authenticationFactory instanceof Function)) { + return; + } + if (!authenticationFactory.initialize) { + authenticationFactory.initialize = function initialize () { + return SIP.Utils.Promise.resolve(); + }; + } + return authenticationFactory; +} + +/** + * Configuration load. + * @private + * returns {Boolean} + */ +UA.prototype.loadConfig = function(configuration) { + // Settings and default values + var parameter, value, checked_value, hostportParams, registrarServer, + settings = { + /* Host address + * Value to be set in Via sent_by and host part of Contact FQDN + */ + viaHost: SIP.Utils.createRandomToken(12) + '.invalid', + + uri: new SIP.URI('sip', 'anonymous.' + SIP.Utils.createRandomToken(6), 'anonymous.invalid', null, null), + wsServers: [{ + scheme: 'WSS', + sip_uri: '', + status: 0, + weight: 0, + ws_uri: 'wss://edge.sip.onsip.com' + }], + + //Custom Configuration Settings + custom: {}, + + //Display name + displayName: '', + + // Password + password: null, + + // Registration parameters + registerExpires: 600, + register: true, + registrarServer: null, + + // Transport related parameters + wsServerMaxReconnection: 3, + wsServerReconnectionTimeout: 4, + + connectionRecoveryMinInterval: 2, + connectionRecoveryMaxInterval: 30, + + keepAliveInterval: 0, + + extraSupported: [], + + usePreloadedRoute: false, + + //string to be inserted into User-Agent request header + userAgentString: SIP.C.USER_AGENT, + + // Session parameters + iceCheckingTimeout: 5000, + noAnswerTimeout: 60, + stunServers: ['stun:stun.l.google.com:19302'], + turnServers: [], + + // Logging parameters + traceSip: false, + + // Hacks + hackViaTcp: false, + hackIpInContact: false, + hackWssInTransport: false, + hackAllowUnregisteredOptionTags: false, + hackCleanJitsiSdpImageattr: false, + hackStripTcp: false, + + contactTransport: 'ws', + forceRport: false, + + //autostarting + autostart: true, + autostop: true, + + //Reliable Provisional Responses + rel100: SIP.C.supported.UNSUPPORTED, + + // Replaces header (RFC 3891) + // http://tools.ietf.org/html/rfc3891 + replaces: SIP.C.supported.UNSUPPORTED, + + mediaHandlerFactory: SIP.WebRTC.MediaHandler.defaultFactory, + + authenticationFactory: checkAuthenticationFactory(function authenticationFactory (ua) { + return new SIP.DigestAuthentication(ua); + }), + + allowLegacyNotifications: false + }; + + // Pre-Configuration + function aliasUnderscored (parameter, logger) { + var underscored = parameter.replace(/([a-z][A-Z])/g, function (m) { + return m[0] + '_' + m[1].toLowerCase(); + }); + + if (parameter === underscored) { + return; + } + + var hasParameter = configuration.hasOwnProperty(parameter); + if (configuration.hasOwnProperty(underscored)) { + logger.warn(underscored + ' is deprecated, please use ' + parameter); + if (hasParameter) { + logger.warn(parameter + ' overriding ' + underscored); + } + } + + configuration[parameter] = hasParameter ? configuration[parameter] : configuration[underscored]; + } + + var configCheck = this.getConfigurationCheck(); + + // Check Mandatory parameters + for(parameter in configCheck.mandatory) { + aliasUnderscored(parameter, this.logger); + if(!configuration.hasOwnProperty(parameter)) { + throw new SIP.Exceptions.ConfigurationError(parameter); + } else { + value = configuration[parameter]; + checked_value = configCheck.mandatory[parameter](value); + if (checked_value !== undefined) { + settings[parameter] = checked_value; + } else { + throw new SIP.Exceptions.ConfigurationError(parameter, value); + } + } + } + + SIP.Utils.optionsOverride(configuration, 'rel100', 'reliable', true, this.logger, SIP.C.supported.UNSUPPORTED); + + var emptyArraysAllowed = ['stunServers', 'turnServers']; + + // Check Optional parameters + for(parameter in configCheck.optional) { + aliasUnderscored(parameter, this.logger); + if(configuration.hasOwnProperty(parameter)) { + value = configuration[parameter]; + + // If the parameter value is an empty array, but shouldn't be, apply its default value. + if (value instanceof Array && value.length === 0 && emptyArraysAllowed.indexOf(parameter) < 0) { continue; } + + // If the parameter value is null, empty string, or undefined then apply its default value. + if(value === null || value === "" || value === undefined) { continue; } + // If it's a number with NaN value then also apply its default value. + // NOTE: JS does not allow "value === NaN", the following does the work: + else if(typeof(value) === 'number' && isNaN(value)) { continue; } + + checked_value = configCheck.optional[parameter](value); + if (checked_value !== undefined) { + settings[parameter] = checked_value; + } else { + throw new SIP.Exceptions.ConfigurationError(parameter, value); + } + } + } + + // Sanity Checks + + // Connection recovery intervals + if(settings.connectionRecoveryMaxInterval < settings.connectionRecoveryMinInterval) { + throw new SIP.Exceptions.ConfigurationError('connectionRecoveryMaxInterval', settings.connectionRecoveryMaxInterval); + } + + // Post Configuration Process + + // Allow passing 0 number as displayName. + if (settings.displayName === 0) { + settings.displayName = '0'; + } + + // Instance-id for GRUU + if (!settings.instanceId) { + settings.instanceId = SIP.Utils.newUUID(); + } + + // sipjsId instance parameter. Static random tag of length 5 + settings.sipjsId = SIP.Utils.createRandomToken(5); + + // String containing settings.uri without scheme and user. + hostportParams = settings.uri.clone(); + hostportParams.user = null; + settings.hostportParams = hostportParams.toRaw().replace(/^sip:/i, ''); + + /* Check whether authorizationUser is explicitly defined. + * Take 'settings.uri.user' value if not. + */ + if (!settings.authorizationUser) { + settings.authorizationUser = settings.uri.user; + } + + /* If no 'registrarServer' is set use the 'uri' value without user portion. */ + if (!settings.registrarServer) { + registrarServer = settings.uri.clone(); + registrarServer.user = null; + settings.registrarServer = registrarServer; + } + + // User noAnswerTimeout + settings.noAnswerTimeout = settings.noAnswerTimeout * 1000; + + // Via Host + if (settings.hackIpInContact) { + if (typeof settings.hackIpInContact === 'boolean') { + settings.viaHost = SIP.Utils.getRandomTestNetIP(); + } + else if (typeof settings.hackIpInContact === 'string') { + settings.viaHost = settings.hackIpInContact; + } + } + + // Contact transport parameter + if (settings.hackWssInTransport) { + settings.contactTransport = 'wss'; + } + + this.contact = { + pub_gruu: null, + temp_gruu: null, + uri: new SIP.URI('sip', SIP.Utils.createRandomToken(8), settings.viaHost, null, {transport: settings.contactTransport}), + toString: function(options){ + options = options || {}; + + var + anonymous = options.anonymous || null, + outbound = options.outbound || null, + contact = '<'; + + if (anonymous) { + contact += (this.temp_gruu || ('sip:anonymous@anonymous.invalid;transport='+settings.contactTransport)).toString(); + } else { + contact += (this.pub_gruu || this.uri).toString(); + } + + if (outbound) { + contact += ';ob'; + } + + contact += '>'; + + return contact; + } + }; + + // media overrides mediaConstraints + SIP.Utils.optionsOverride(settings, 'media', 'mediaConstraints', true, this.logger); + + var skeleton = {}; + // Fill the value of the configuration_skeleton + for(parameter in settings) { + skeleton[parameter] = { + value: settings[parameter], + writable: (parameter === 'register' || parameter === 'custom'), + configurable: false + }; + } + + Object.defineProperties(this.configuration, skeleton); + + this.logger.log('configuration parameters after validation:'); + for(parameter in settings) { + switch(parameter) { + case 'uri': + case 'registrarServer': + case 'mediaHandlerFactory': + this.logger.log('· ' + parameter + ': ' + settings[parameter]); + break; + case 'password': + this.logger.log('· ' + parameter + ': ' + 'NOT SHOWN'); + break; + default: + this.logger.log('· ' + parameter + ': ' + JSON.stringify(settings[parameter])); + } + } + + return; +}; + +/** + * Configuration checker. + * @private + * @return {Boolean} + */ +UA.prototype.getConfigurationCheck = function () { + return { + mandatory: { + }, + + optional: { + + uri: function(uri) { + var parsed; + + if (!(/^sip:/i).test(uri)) { + uri = SIP.C.SIP + ':' + uri; + } + parsed = SIP.URI.parse(uri); + + if(!parsed) { + return; + } else if(!parsed.user) { + return; + } else { + return parsed; + } + }, + + //Note: this function used to call 'this.logger.error' but calling 'this' with anything here is invalid + wsServers: function(wsServers) { + var idx, length, url; + + /* Allow defining wsServers parameter as: + * String: "host" + * Array of Strings: ["host1", "host2"] + * Array of Objects: [{ws_uri:"host1", weight:1}, {ws_uri:"host2", weight:0}] + * Array of Objects and Strings: [{ws_uri:"host1"}, "host2"] + */ + if (typeof wsServers === 'string') { + wsServers = [{ws_uri: wsServers}]; + } else if (wsServers instanceof Array) { + length = wsServers.length; + for (idx = 0; idx < length; idx++) { + if (typeof wsServers[idx] === 'string'){ + wsServers[idx] = {ws_uri: wsServers[idx]}; + } + } + } else { + return; + } + + if (wsServers.length === 0) { + return false; + } + + length = wsServers.length; + for (idx = 0; idx < length; idx++) { + if (!wsServers[idx].ws_uri) { + return; + } + if (wsServers[idx].weight && !Number(wsServers[idx].weight)) { + return; + } + + url = SIP.Grammar.parse(wsServers[idx].ws_uri, 'absoluteURI'); + + if(url === -1) { + return; + } else if(['wss', 'ws', 'udp'].indexOf(url.scheme) < 0) { + return; + } else { + wsServers[idx].sip_uri = ''; + + if (!wsServers[idx].weight) { + wsServers[idx].weight = 0; + } + + wsServers[idx].status = 0; + wsServers[idx].scheme = url.scheme.toUpperCase(); + } + } + return wsServers; + }, + + authorizationUser: function(authorizationUser) { + if(SIP.Grammar.parse('"'+ authorizationUser +'"', 'quoted_string') === -1) { + return; + } else { + return authorizationUser; + } + }, + + connectionRecoveryMaxInterval: function(connectionRecoveryMaxInterval) { + var value; + if(SIP.Utils.isDecimal(connectionRecoveryMaxInterval)) { + value = Number(connectionRecoveryMaxInterval); + if(value > 0) { + return value; + } + } + }, + + connectionRecoveryMinInterval: function(connectionRecoveryMinInterval) { + var value; + if(SIP.Utils.isDecimal(connectionRecoveryMinInterval)) { + value = Number(connectionRecoveryMinInterval); + if(value > 0) { + return value; + } + } + }, + + displayName: function(displayName) { + if(SIP.Grammar.parse('"' + displayName + '"', 'displayName') === -1) { + return; + } else { + return displayName; + } + }, + + hackViaTcp: function(hackViaTcp) { + if (typeof hackViaTcp === 'boolean') { + return hackViaTcp; + } + }, + + hackIpInContact: function(hackIpInContact) { + if (typeof hackIpInContact === 'boolean') { + return hackIpInContact; + } + else if (typeof hackIpInContact === 'string' && SIP.Grammar.parse(hackIpInContact, 'host') !== -1) { + return hackIpInContact; + } + }, + + iceCheckingTimeout: function(iceCheckingTimeout) { + if(SIP.Utils.isDecimal(iceCheckingTimeout)) { + return Math.max(500, iceCheckingTimeout); + } + }, + + hackWssInTransport: function(hackWssInTransport) { + if (typeof hackWssInTransport === 'boolean') { + return hackWssInTransport; + } + }, + + hackAllowUnregisteredOptionTags: function(hackAllowUnregisteredOptionTags) { + if (typeof hackAllowUnregisteredOptionTags === 'boolean') { + return hackAllowUnregisteredOptionTags; + } + }, + + hackCleanJitsiSdpImageattr: function(hackCleanJitsiSdpImageattr) { + if (typeof hackCleanJitsiSdpImageattr === 'boolean') { + return hackCleanJitsiSdpImageattr; + } + }, + + hackStripTcp: function(hackStripTcp) { + if (typeof hackStripTcp === 'boolean') { + return hackStripTcp; + } + }, + + contactTransport: function(contactTransport) { + if (typeof contactTransport === 'string') { + return contactTransport; + } + }, + + forceRport: function(forceRport) { + if (typeof forceRport === 'boolean') { + return forceRport; + } + }, + + instanceId: function(instanceId) { + if(typeof instanceId !== 'string') { + return; + } + + if ((/^uuid:/i.test(instanceId))) { + instanceId = instanceId.substr(5); + } + + if(SIP.Grammar.parse(instanceId, 'uuid') === -1) { + return; + } else { + return instanceId; + } + }, + + keepAliveInterval: function(keepAliveInterval) { + var value; + if (SIP.Utils.isDecimal(keepAliveInterval)) { + value = Number(keepAliveInterval); + if (value > 0) { + return value; + } + } + }, + + extraSupported: function(optionTags) { + var idx, length; + + if (!(optionTags instanceof Array)) { + return; + } + + length = optionTags.length; + for (idx = 0; idx < length; idx++) { + if (typeof optionTags[idx] !== 'string') { + return; + } + } + + return optionTags; + }, + + noAnswerTimeout: function(noAnswerTimeout) { + var value; + if (SIP.Utils.isDecimal(noAnswerTimeout)) { + value = Number(noAnswerTimeout); + if (value > 0) { + return value; + } + } + }, + + password: function(password) { + return String(password); + }, + + rel100: function(rel100) { + if(rel100 === SIP.C.supported.REQUIRED) { + return SIP.C.supported.REQUIRED; + } else if (rel100 === SIP.C.supported.SUPPORTED) { + return SIP.C.supported.SUPPORTED; + } else { + return SIP.C.supported.UNSUPPORTED; + } + }, + + replaces: function(replaces) { + if(replaces === SIP.C.supported.REQUIRED) { + return SIP.C.supported.REQUIRED; + } else if (replaces === SIP.C.supported.SUPPORTED) { + return SIP.C.supported.SUPPORTED; + } else { + return SIP.C.supported.UNSUPPORTED; + } + }, + + register: function(register) { + if (typeof register === 'boolean') { + return register; + } + }, + + registerExpires: function(registerExpires) { + var value; + if (SIP.Utils.isDecimal(registerExpires)) { + value = Number(registerExpires); + if (value > 0) { + return value; + } + } + }, + + registrarServer: function(registrarServer) { + var parsed; + + if(typeof registrarServer !== 'string') { + return; + } + + if (!/^sip:/i.test(registrarServer)) { + registrarServer = SIP.C.SIP + ':' + registrarServer; + } + parsed = SIP.URI.parse(registrarServer); + + if(!parsed) { + return; + } else if(parsed.user) { + return; + } else { + return parsed; + } + }, + + stunServers: function(stunServers) { + var idx, length, stun_server; + + if (typeof stunServers === 'string') { + stunServers = [stunServers]; + } else if (!(stunServers instanceof Array)) { + return; + } + + length = stunServers.length; + for (idx = 0; idx < length; idx++) { + stun_server = stunServers[idx]; + if (!(/^stuns?:/.test(stun_server))) { + stun_server = 'stun:' + stun_server; + } + + if(SIP.Grammar.parse(stun_server, 'stun_URI') === -1) { + return; + } else { + stunServers[idx] = stun_server; + } + } + return stunServers; + }, + + traceSip: function(traceSip) { + if (typeof traceSip === 'boolean') { + return traceSip; + } + }, + + turnServers: function(turnServers) { + var idx, jdx, length, turn_server, num_turn_server_urls, url; + + if (turnServers instanceof Array) { + // Do nothing + } else { + turnServers = [turnServers]; + } + + length = turnServers.length; + for (idx = 0; idx < length; idx++) { + turn_server = turnServers[idx]; + //Backwards compatibility: Allow defining the turn_server url with the 'server' property. + if (turn_server.server) { + turn_server.urls = [turn_server.server]; + } + + if (!turn_server.urls) { + return; + } + + if (turn_server.urls instanceof Array) { + num_turn_server_urls = turn_server.urls.length; + } else { + turn_server.urls = [turn_server.urls]; + num_turn_server_urls = 1; + } + + for (jdx = 0; jdx < num_turn_server_urls; jdx++) { + url = turn_server.urls[jdx]; + + if (!(/^turns?:/.test(url))) { + url = 'turn:' + url; + } + + if(SIP.Grammar.parse(url, 'turn_URI') === -1) { + return; + } + } + } + return turnServers; + }, + + rtcpMuxPolicy: function(rtcpMuxPolicy) { + if (typeof rtcpMuxPolicy === 'string') { + return rtcpMuxPolicy; + } + }, + + userAgentString: function(userAgentString) { + if (typeof userAgentString === 'string') { + return userAgentString; + } + }, + + usePreloadedRoute: function(usePreloadedRoute) { + if (typeof usePreloadedRoute === 'boolean') { + return usePreloadedRoute; + } + }, + + wsServerMaxReconnection: function(wsServerMaxReconnection) { + var value; + if (SIP.Utils.isDecimal(wsServerMaxReconnection)) { + value = Number(wsServerMaxReconnection); + if (value > 0) { + return value; + } + } + }, + + wsServerReconnectionTimeout: function(wsServerReconnectionTimeout) { + var value; + if (SIP.Utils.isDecimal(wsServerReconnectionTimeout)) { + value = Number(wsServerReconnectionTimeout); + if (value > 0) { + return value; + } + } + }, + + autostart: function(autostart) { + if (typeof autostart === 'boolean') { + return autostart; + } + }, + + autostop: function(autostop) { + if (typeof autostop === 'boolean') { + return autostop; + } + }, + + mediaHandlerFactory: function(mediaHandlerFactory) { + if (mediaHandlerFactory instanceof Function) { + var promisifiedFactory = function promisifiedFactory () { + var mediaHandler = mediaHandlerFactory.apply(this, arguments); + + function patchMethod (methodName) { + var method = mediaHandler[methodName]; + if (method.length > 1) { + var callbacksFirst = methodName === 'getDescription'; + mediaHandler[methodName] = SIP.Utils.promisify(mediaHandler, methodName, callbacksFirst); + } + } + + patchMethod('getDescription'); + patchMethod('setDescription'); + + return mediaHandler; + }; + + promisifiedFactory.isSupported = mediaHandlerFactory.isSupported; + return promisifiedFactory; + } + }, + + authenticationFactory: checkAuthenticationFactory, + + allowLegacyNotifications: function(allowLegacyNotifications) { + if (typeof allowLegacyNotifications === 'boolean') { + return allowLegacyNotifications; + } + }, + + custom: function(custom) { + if (typeof custom === 'object') { + return custom; + } + } + } + }; +}; + +UA.C = C; +SIP.UA = UA; +}; + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],30:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview SIP URI + */ + +/** + * @augments SIP + * @class Class creating a SIP URI. + * + * @param {String} [scheme] + * @param {String} [user] + * @param {String} host + * @param {String} [port] + * @param {Object} [parameters] + * @param {Object} [headers] + * + */ +module.exports = function (SIP) { +var URI; + +URI = function(scheme, user, host, port, parameters, headers) { + var param, header, raw, normal; + + // Checks + if(!host) { + throw new TypeError('missing or invalid "host" parameter'); + } + + // Initialize parameters + scheme = scheme || SIP.C.SIP; + this.parameters = {}; + this.headers = {}; + + for (param in parameters) { + this.setParam(param, parameters[param]); + } + + for (header in headers) { + this.setHeader(header, headers[header]); + } + + // Raw URI + raw = { + scheme: scheme, + user: user, + host: host, + port: port + }; + + // Normalized URI + normal = { + scheme: scheme.toLowerCase(), + user: user, + host: host.toLowerCase(), + port: port + }; + + Object.defineProperties(this, { + _normal: { + get: function() { return normal; } + }, + + _raw: { + get: function() { return raw; } + }, + + scheme: { + get: function() { return normal.scheme; }, + set: function(value) { + raw.scheme = value; + normal.scheme = value.toLowerCase(); + } + }, + + user: { + get: function() { return normal.user; }, + set: function(value) { + normal.user = raw.user = value; + } + }, + + host: { + get: function() { return normal.host; }, + set: function(value) { + raw.host = value; + normal.host = value.toLowerCase(); + } + }, + + aor: { + get: function() { return normal.user + '@' + normal.host; } + }, + + port: { + get: function() { return normal.port; }, + set: function(value) { + normal.port = raw.port = value === 0 ? value : (parseInt(value,10) || null); + } + } + }); +}; + +URI.prototype = { + setParam: function(key, value) { + if(key) { + this.parameters[key.toLowerCase()] = (typeof value === 'undefined' || value === null) ? null : value.toString().toLowerCase(); + } + }, + + getParam: function(key) { + if(key) { + return this.parameters[key.toLowerCase()]; + } + }, + + hasParam: function(key) { + if(key) { + return (this.parameters.hasOwnProperty(key.toLowerCase()) && true) || false; + } + }, + + deleteParam: function(parameter) { + var value; + parameter = parameter.toLowerCase(); + if (this.parameters.hasOwnProperty(parameter)) { + value = this.parameters[parameter]; + delete this.parameters[parameter]; + return value; + } + }, + + clearParams: function() { + this.parameters = {}; + }, + + setHeader: function(name, value) { + this.headers[SIP.Utils.headerize(name)] = (value instanceof Array) ? value : [value]; + }, + + getHeader: function(name) { + if(name) { + return this.headers[SIP.Utils.headerize(name)]; + } + }, + + hasHeader: function(name) { + if(name) { + return (this.headers.hasOwnProperty(SIP.Utils.headerize(name)) && true) || false; + } + }, + + deleteHeader: function(header) { + var value; + header = SIP.Utils.headerize(header); + if(this.headers.hasOwnProperty(header)) { + value = this.headers[header]; + delete this.headers[header]; + return value; + } + }, + + clearHeaders: function() { + this.headers = {}; + }, + + clone: function() { + return new URI( + this._raw.scheme, + this._raw.user, + this._raw.host, + this._raw.port, + JSON.parse(JSON.stringify(this.parameters)), + JSON.parse(JSON.stringify(this.headers))); + }, + + toRaw: function() { + return this._toString(this._raw); + }, + + toString: function() { + return this._toString(this._normal); + }, + + _toString: function(uri) { + var header, parameter, idx, uriString, headers = []; + + uriString = uri.scheme + ':'; + // add slashes if it's not a sip(s) URI + if (!uri.scheme.toLowerCase().match("^sips?$")) { + uriString += "//"; + } + if (uri.user) { + uriString += SIP.Utils.escapeUser(uri.user) + '@'; + } + uriString += uri.host; + if (uri.port || uri.port === 0) { + uriString += ':' + uri.port; + } + + for (parameter in this.parameters) { + uriString += ';' + parameter; + + if (this.parameters[parameter] !== null) { + uriString += '='+ this.parameters[parameter]; + } + } + + for(header in this.headers) { + for(idx in this.headers[header]) { + headers.push(header + '=' + this.headers[header][idx]); + } + } + + if (headers.length > 0) { + uriString += '?' + headers.join('&'); + } + + return uriString; + } +}; + + +/** + * Parse the given string and returns a SIP.URI instance or undefined if + * it is an invalid URI. + * @public + * @param {String} uri + */ +URI.parse = function(uri) { + uri = SIP.Grammar.parse(uri,'SIP_URI'); + + if (uri !== -1) { + return uri; + } else { + return undefined; + } +}; + +SIP.URI = URI; +}; + +},{}],31:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview Utils + */ + +module.exports = function (SIP, environment) { +var Utils; + +Utils= { + + Promise: environment.Promise, + + defer: function defer () { + var deferred = {}; + deferred.promise = new Utils.Promise(function (resolve, reject) { + deferred.resolve = resolve; + deferred.reject = reject; + }); + return deferred; + }, + + promisify: function promisify (object, methodName, callbacksFirst) { + var oldMethod = object[methodName]; + return function promisifiedMethod (arg, onSuccess, onFailure) { + return new Utils.Promise(function (resolve, reject) { + var oldArgs = [arg, resolve, reject]; + if (callbacksFirst) { + oldArgs = [resolve, reject, arg]; + } + oldMethod.apply(object, oldArgs); + }).then(onSuccess, onFailure); + }; + }, + + augment: function (object, constructor, args, override) { + var idx, proto; + + // Add public properties from constructor's prototype onto object + proto = constructor.prototype; + for (idx in proto) { + if (override || object[idx] === undefined) { + object[idx] = proto[idx]; + } + } + + // Construct the object as though it were just created by constructor + constructor.apply(object, args); + }, + + optionsOverride: function (options, winner, loser, isDeprecated, logger, defaultValue) { + if (isDeprecated && options[loser]) { + logger.warn(loser + ' is deprecated, please use ' + winner + ' instead'); + } + + if (options[winner] && options[loser]) { + logger.warn(winner + ' overriding ' + loser); + } + + options[winner] = options[winner] || options[loser] || defaultValue; + }, + + str_utf8_length: function(string) { + return encodeURIComponent(string).replace(/%[A-F\d]{2}/g, 'U').length; + }, + + generateFakeSDP: function(body) { + if (!body) { + return; + } + + var start = body.indexOf('o='); + var end = body.indexOf('\r\n', start); + + return 'v=0\r\n' + body.slice(start, end) + '\r\ns=-\r\nt=0 0\r\nc=IN IP4 0.0.0.0'; + }, + + isFunction: function(fn) { + if (fn !== undefined) { + return Object.prototype.toString.call(fn) === '[object Function]'; + } else { + return false; + } + }, + + isDecimal: function (num) { + return !isNaN(num) && (parseFloat(num) === parseInt(num,10)); + }, + + createRandomToken: function(size, base) { + var i, r, + token = ''; + + base = base || 32; + + for( i=0; i < size; i++ ) { + r = Math.random() * base|0; + token += r.toString(base); + } + + return token; + }, + + newTag: function() { + return SIP.Utils.createRandomToken(SIP.UA.C.TAG_LENGTH); + }, + + // http://stackoverflow.com/users/109538/broofa + newUUID: function() { + var UUID = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { + var r = Math.random()*16|0, v = c === 'x' ? r : (r&0x3|0x8); + return v.toString(16); + }); + + return UUID; + }, + + hostType: function(host) { + if (!host) { + return; + } else { + host = SIP.Grammar.parse(host,'host'); + if (host !== -1) { + return host.host_type; + } + } + }, + + /** + * Normalize SIP URI. + * NOTE: It does not allow a SIP URI without username. + * Accepts 'sip', 'sips' and 'tel' URIs and convert them into 'sip'. + * Detects the domain part (if given) and properly hex-escapes the user portion. + * If the user portion has only 'tel' number symbols the user portion is clean of 'tel' visual separators. + * @private + * @param {String} target + * @param {String} [domain] + */ + normalizeTarget: function(target, domain) { + var uri, target_array, target_user, target_domain; + + // If no target is given then raise an error. + if (!target) { + return; + // If a SIP.URI instance is given then return it. + } else if (target instanceof SIP.URI) { + return target; + + // If a string is given split it by '@': + // - Last fragment is the desired domain. + // - Otherwise append the given domain argument. + } else if (typeof target === 'string') { + target_array = target.split('@'); + + switch(target_array.length) { + case 1: + if (!domain) { + return; + } + target_user = target; + target_domain = domain; + break; + case 2: + target_user = target_array[0]; + target_domain = target_array[1]; + break; + default: + target_user = target_array.slice(0, target_array.length-1).join('@'); + target_domain = target_array[target_array.length-1]; + } + + // Remove the URI scheme (if present). + target_user = target_user.replace(/^(sips?|tel):/i, ''); + + // Remove 'tel' visual separators if the user portion just contains 'tel' number symbols. + if (/^[\-\.\(\)]*\+?[0-9\-\.\(\)]+$/.test(target_user)) { + target_user = target_user.replace(/[\-\.\(\)]/g, ''); + } + + // Build the complete SIP URI. + target = SIP.C.SIP + ':' + SIP.Utils.escapeUser(target_user) + '@' + target_domain; + + // Finally parse the resulting URI. + if (uri = SIP.URI.parse(target)) { + return uri; + } else { + return; + } + } else { + return; + } + }, + + /** + * Hex-escape a SIP URI user. + * @private + * @param {String} user + */ + escapeUser: function(user) { + // Don't hex-escape ':' (%3A), '+' (%2B), '?' (%3F"), '/' (%2F). + return encodeURIComponent(decodeURIComponent(user)).replace(/%3A/ig, ':').replace(/%2B/ig, '+').replace(/%3F/ig, '?').replace(/%2F/ig, '/'); + }, + + headerize: function(string) { + var exceptions = { + 'Call-Id': 'Call-ID', + 'Cseq': 'CSeq', + 'Min-Se': 'Min-SE', + 'Rack': 'RAck', + 'Rseq': 'RSeq', + 'Www-Authenticate': 'WWW-Authenticate' + }, + name = string.toLowerCase().replace(/_/g,'-').split('-'), + hname = '', + parts = name.length, part; + + for (part = 0; part < parts; part++) { + if (part !== 0) { + hname +='-'; + } + hname += name[part].charAt(0).toUpperCase()+name[part].substring(1); + } + if (exceptions[hname]) { + hname = exceptions[hname]; + } + return hname; + }, + + sipErrorCause: function(status_code) { + var cause; + + for (cause in SIP.C.SIP_ERROR_CAUSES) { + if (SIP.C.SIP_ERROR_CAUSES[cause].indexOf(status_code) !== -1) { + return SIP.C.causes[cause]; + } + } + + return SIP.C.causes.SIP_FAILURE_CODE; + }, + + getReasonPhrase: function getReasonPhrase (code, specific) { + return specific || SIP.C.REASON_PHRASE[code] || ''; + }, + + getReasonHeaderValue: function getReasonHeaderValue (code, reason) { + reason = SIP.Utils.getReasonPhrase(code, reason); + return 'SIP ;cause=' + code + ' ;text="' + reason + '"'; + }, + + getCancelReason: function getCancelReason (code, reason) { + if (code && code < 200 || code > 699) { + throw new TypeError('Invalid status_code: ' + code); + } else if (code) { + return SIP.Utils.getReasonHeaderValue(code, reason); + } + }, + + buildStatusLine: function buildStatusLine (code, reason) { + code = code || null; + reason = reason || null; + + // Validate code and reason values + if (!code || (code < 100 || code > 699)) { + throw new TypeError('Invalid status_code: '+ code); + } else if (reason && typeof reason !== 'string' && !(reason instanceof String)) { + throw new TypeError('Invalid reason_phrase: '+ reason); + } + + reason = Utils.getReasonPhrase(code, reason); + + return 'SIP/2.0 ' + code + ' ' + reason + '\r\n'; + }, + + /** + * Generate a random Test-Net IP (http://tools.ietf.org/html/rfc5735) + * @private + */ + getRandomTestNetIP: function() { + function getOctet(from,to) { + return Math.floor(Math.random()*(to-from+1)+from); + } + return '192.0.2.' + getOctet(1, 254); + }, + + // MD5 (Message-Digest Algorithm) http://www.webtoolkit.info + calculateMD5: function(string) { + function RotateLeft(lValue, iShiftBits) { + return (lValue<>>(32-iShiftBits)); + } + + function AddUnsigned(lX,lY) { + var lX4,lY4,lX8,lY8,lResult; + lX8 = (lX & 0x80000000); + lY8 = (lY & 0x80000000); + lX4 = (lX & 0x40000000); + lY4 = (lY & 0x40000000); + lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); + if (lX4 & lY4) { + return (lResult ^ 0x80000000 ^ lX8 ^ lY8); + } + if (lX4 | lY4) { + if (lResult & 0x40000000) { + return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); + } else { + return (lResult ^ 0x40000000 ^ lX8 ^ lY8); + } + } else { + return (lResult ^ lX8 ^ lY8); + } + } + + function F(x,y,z) { + return (x & y) | ((~x) & z); + } + + function G(x,y,z) { + return (x & z) | (y & (~z)); + } + + function H(x,y,z) { + return (x ^ y ^ z); + } + + function I(x,y,z) { + return (y ^ (x | (~z))); + } + + function FF(a,b,c,d,x,s,ac) { + a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); + return AddUnsigned(RotateLeft(a, s), b); + } + + function GG(a,b,c,d,x,s,ac) { + a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); + return AddUnsigned(RotateLeft(a, s), b); + } + + function HH(a,b,c,d,x,s,ac) { + a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); + return AddUnsigned(RotateLeft(a, s), b); + } + + function II(a,b,c,d,x,s,ac) { + a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); + return AddUnsigned(RotateLeft(a, s), b); + } + + function ConvertToWordArray(string) { + var lWordCount; + var lMessageLength = string.length; + var lNumberOfWords_temp1=lMessageLength + 8; + var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64; + var lNumberOfWords = (lNumberOfWords_temp2+1)*16; + var lWordArray=Array(lNumberOfWords-1); + var lBytePosition = 0; + var lByteCount = 0; + while ( lByteCount < lMessageLength ) { + lWordCount = (lByteCount-(lByteCount % 4))/4; + lBytePosition = (lByteCount % 4)*8; + lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<>>29; + return lWordArray; + } + + function WordToHex(lValue) { + var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; + for (lCount = 0;lCount<=3;lCount++) { + lByte = (lValue>>>(lCount*8)) & 255; + WordToHexValue_temp = "0" + lByte.toString(16); + WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); + } + return WordToHexValue; + } + + function Utf8Encode(string) { + string = string.replace(/\r\n/g,"\n"); + var utftext = ""; + + for (var n = 0; n < string.length; n++) { + var c = string.charCodeAt(n); + + if (c < 128) { + utftext += String.fromCharCode(c); + } + else if((c > 127) && (c < 2048)) { + utftext += String.fromCharCode((c >> 6) | 192); + utftext += String.fromCharCode((c & 63) | 128); + } + else { + utftext += String.fromCharCode((c >> 12) | 224); + utftext += String.fromCharCode(((c >> 6) & 63) | 128); + utftext += String.fromCharCode((c & 63) | 128); + } + } + return utftext; + } + + var x=[]; + var k,AA,BB,CC,DD,a,b,c,d; + var S11=7, S12=12, S13=17, S14=22; + var S21=5, S22=9 , S23=14, S24=20; + var S31=4, S32=11, S33=16, S34=23; + var S41=6, S42=10, S43=15, S44=21; + + string = Utf8Encode(string); + + x = ConvertToWordArray(string); + + a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; + + for (k=0;k 1) { + acquire = SIP.Utils.promisify(this.mediaStreamManager, 'acquire', true); + } + mediaHint = mediaHint || {}; + if (mediaHint.dataChannel === true) { + mediaHint.dataChannel = {}; + } + this.mediaHint = mediaHint; + + /* + * 1. acquire streams (skip if MediaStreams passed in) + * 2. addStreams + * 3. createOffer/createAnswer + */ + + var streamPromise; + if (self.localMedia) { + self.logger.log('already have local media'); + streamPromise = SIP.Utils.Promise.resolve(self.localMedia); + } + else { + self.logger.log('acquiring local media'); + streamPromise = acquire.call(self.mediaStreamManager, mediaHint) + .then(function acquireSucceeded(streams) { + self.logger.log('acquired local media streams'); + self.localMedia = streams; + self.session.connecting(); + return streams; + }, function acquireFailed(err) { + self.logger.error('unable to acquire streams'); + self.logger.error(err); + self.session.connecting(); + throw err; + }) + .then(this.addStreams.bind(this)) + ; + } + + return streamPromise + .then(function streamAdditionSucceeded() { + if (self.hasOffer('remote')) { + self.peerConnection.ondatachannel = function (evt) { + self.dataChannel = evt.channel; + self.emit('dataChannel', self.dataChannel); + }; + } else if (mediaHint.dataChannel && + self.peerConnection.createDataChannel) { + self.dataChannel = self.peerConnection.createDataChannel( + 'sipjs', + mediaHint.dataChannel + ); + self.emit('dataChannel', self.dataChannel); + } + + self.render(); + return self.createOfferOrAnswer(self.RTCConstraints); + }) + .then(function(sdp) { + sdp = SIP.Hacks.Firefox.hasMissingCLineInSDP(sdp); + + if (self.local_hold) { + // Don't receive media + // TODO - This will break for media streams with different directions. + if (!(/a=(sendrecv|sendonly|recvonly|inactive)/).test(sdp)) { + sdp = sdp.replace(/(m=[^\r]*\r\n)/g, '$1a=sendonly\r\n'); + } else { + sdp = sdp.replace(/a=sendrecv\r\n/g, 'a=sendonly\r\n'); + sdp = sdp.replace(/a=recvonly\r\n/g, 'a=inactive\r\n'); + } + } + + return { + body: sdp, + contentType: 'application/sdp' + }; + }) + ; + }}, + + /** + * Check if a SIP message contains a session description. + * @param {SIP.SIPMessage} message + * @returns {boolean} + */ + hasDescription: {writeable: true, value: function hasDescription (message) { + return message.getHeader('Content-Type') === 'application/sdp' && !!message.body; + }}, + + /** + * Set the session description contained in a SIP message. + * @param {SIP.SIPMessage} message + * @returns {Promise} + */ + setDescription: {writable: true, value: function setDescription (message) { + var self = this; + var sdp = message.body; + + this.remote_hold = /a=(sendonly|inactive)/.test(sdp); + + sdp = SIP.Hacks.Firefox.cannotHandleExtraWhitespace(sdp); + sdp = SIP.Hacks.AllBrowsers.maskDtls(sdp); + + var rawDescription = { + type: this.hasOffer('local') ? 'answer' : 'offer', + sdp: sdp + }; + + this.emit('setDescription', rawDescription); + + var description = new SIP.WebRTC.RTCSessionDescription(rawDescription); + return SIP.Utils.promisify(this.peerConnection, 'setRemoteDescription')(description) + .catch(function setRemoteDescriptionError(e) { + self.emit('peerConnection-setRemoteDescriptionFailed', e); + throw e; + }); + }}, + + /** + * If the Session associated with this MediaHandler were to be referred, + * what mediaHint should be provided to the UA's invite method? + */ + getReferMedia: {writable: true, value: function getReferMedia () { + function hasTracks (trackGetter, stream) { + return stream[trackGetter]().length > 0; + } + + function bothHaveTracks (trackGetter) { + /* jshint validthis:true */ + return this.getLocalStreams().some(hasTracks.bind(null, trackGetter)) && + this.getRemoteStreams().some(hasTracks.bind(null, trackGetter)); + } + + return { + constraints: { + audio: bothHaveTracks.call(this, 'getAudioTracks'), + video: bothHaveTracks.call(this, 'getVideoTracks') + } + }; + }}, + + updateIceServers: {writeable:true, value: function (options) { + var servers = this.prepareIceServers(options.stunServers, options.turnServers); + this.RTCConstraints = options.RTCConstraints || this.RTCConstraints; + + this.initPeerConnection(servers); + + /* once updateIce is implemented correctly, this is better than above + //no op if browser does not support this + if (!this.peerConnection.updateIce) { + return; + } + + this.peerConnection.updateIce({'iceServers': servers}, this.RTCConstraints); + */ + }}, + +// Functions the session can use, but only because it's convenient for the application + isMuted: {writable: true, value: function isMuted () { + return { + audio: this.audioMuted, + video: this.videoMuted + }; + }}, + + mute: {writable: true, value: function mute (options) { + if (this.getLocalStreams().length === 0) { + return; + } + + options = options || { + audio: this.getLocalStreams()[0].getAudioTracks().length > 0, + video: this.getLocalStreams()[0].getVideoTracks().length > 0 + }; + + var audioMuted = false, + videoMuted = false; + + if (options.audio && !this.audioMuted) { + audioMuted = true; + this.audioMuted = true; + this.toggleMuteAudio(true); + } + + if (options.video && !this.videoMuted) { + videoMuted = true; + this.videoMuted = true; + this.toggleMuteVideo(true); + } + + //REVISIT + if (audioMuted || videoMuted) { + return { + audio: audioMuted, + video: videoMuted + }; + /*this.session.onmute({ + audio: audioMuted, + video: videoMuted + });*/ + } + }}, + + unmute: {writable: true, value: function unmute (options) { + if (this.getLocalStreams().length === 0) { + return; + } + + options = options || { + audio: this.getLocalStreams()[0].getAudioTracks().length > 0, + video: this.getLocalStreams()[0].getVideoTracks().length > 0 + }; + + var audioUnMuted = false, + videoUnMuted = false; + + if (options.audio && this.audioMuted) { + audioUnMuted = true; + this.audioMuted = false; + this.toggleMuteAudio(false); + } + + if (options.video && this.videoMuted) { + videoUnMuted = true; + this.videoMuted = false; + this.toggleMuteVideo(false); + } + + //REVISIT + if (audioUnMuted || videoUnMuted) { + return { + audio: audioUnMuted, + video: videoUnMuted + }; + /*this.session.onunmute({ + audio: audioUnMuted, + video: videoUnMuted + });*/ + } + }}, + + hold: {writable: true, value: function hold () { + this.local_hold = true; + this.toggleMuteAudio(true); + this.toggleMuteVideo(true); + }}, + + unhold: {writable: true, value: function unhold () { + this.local_hold = false; + + if (!this.audioMuted) { + this.toggleMuteAudio(false); + } + + if (!this.videoMuted) { + this.toggleMuteVideo(false); + } + }}, + +// Functions the application can use, but not the session + getLocalStreams: {writable: true, value: function getLocalStreams () { + var pc = this.peerConnection; + if (pc && pc.signalingState === 'closed') { + this.logger.warn('peerConnection is closed, getLocalStreams returning []'); + return []; + } + return (pc.getLocalStreams && pc.getLocalStreams()) || + pc.localStreams || []; + }}, + + getRemoteStreams: {writable: true, value: function getRemoteStreams () { + var pc = this.peerConnection; + if (pc && pc.signalingState === 'closed') { + this.logger.warn('peerConnection is closed, getRemoteStreams returning this._remoteStreams'); + return this._remoteStreams; + } + return(pc.getRemoteStreams && pc.getRemoteStreams()) || + pc.remoteStreams || []; + }}, + + render: {writable: true, value: function render (renderHint) { + renderHint = renderHint || (this.mediaHint && this.mediaHint.render); + if (!renderHint) { + return false; + } + var streamGetters = { + local: 'getLocalStreams', + remote: 'getRemoteStreams' + }; + Object.keys(streamGetters).forEach(function (loc) { + var streamGetter = streamGetters[loc]; + var streams = this[streamGetter](); + SIP.WebRTC.MediaStreamManager.render(streams, renderHint[loc]); + }.bind(this)); + }}, + +// Internal functions + hasOffer: {writable: true, value: function hasOffer (where) { + var offerState = 'have-' + where + '-offer'; + return this.peerConnection.signalingState === offerState; + // TODO consider signalingStates with 'pranswer'? + }}, + + prepareIceServers: {writable: true, value: function prepareIceServers (stunServers, turnServers) { + var servers = [], + config = this.session.ua.configuration; + + stunServers = stunServers || config.stunServers; + turnServers = turnServers || config.turnServers; + + [].concat(stunServers).forEach(function (server) { + servers.push({'urls': server}); + }); + + [].concat(turnServers).forEach(function (server) { + var turnServer = {'urls': server.urls}; + if (server.username) { + turnServer.username = server.username; + } + if (server.password) { + turnServer.credential = server.password; + } + servers.push(turnServer); + }); + + return servers; + }}, + + initPeerConnection: {writable: true, value: function initPeerConnection(servers) { + var self = this, + config = this.session.ua.configuration; + + this.onIceCompleted = SIP.Utils.defer(); + this.onIceCompleted.promise.then(function(pc) { + self.emit('iceGatheringComplete', pc); + if (self.iceCheckingTimer) { + SIP.Timers.clearTimeout(self.iceCheckingTimer); + self.iceCheckingTimer = null; + } + }); + + if (this.peerConnection) { + this.peerConnection.close(); + } + + var connConfig = { + iceServers: servers + }; + + if (config.rtcpMuxPolicy) { + connConfig.rtcpMuxPolicy = config.rtcpMuxPolicy; + } + + this.peerConnection = new SIP.WebRTC.RTCPeerConnection(connConfig); + + // Firefox (35.0.1) sometimes throws on calls to peerConnection.getRemoteStreams + // even if peerConnection.onaddstream was just called. In order to make + // MediaHandler.prototype.getRemoteStreams work, keep track of them manually + this._remoteStreams = []; + + this.peerConnection.onaddstream = function(e) { + self.logger.log('stream added: '+ e.stream.id); + self._remoteStreams.push(e.stream); + self.render(); + self.emit('addStream', e); + }; + + this.peerConnection.onremovestream = function(e) { + self.logger.log('stream removed: '+ e.stream.id); + }; + + this.startIceCheckingTimer = function () { + if (!self.iceCheckingTimer) { + self.iceCheckingTimer = SIP.Timers.setTimeout(function() { + self.logger.log('RTCIceChecking Timeout Triggered after '+config.iceCheckingTimeout+' milliseconds'); + self.onIceCompleted.resolve(this); + }.bind(this.peerConnection), config.iceCheckingTimeout); + } + }; + + this.peerConnection.onicecandidate = function(e) { + self.emit('iceCandidate', e); + if (e.candidate) { + self.logger.log('ICE candidate received: '+ (e.candidate.candidate === null ? null : e.candidate.candidate.trim())); + self.startIceCheckingTimer(); + } else { + self.onIceCompleted.resolve(this); + } + }; + + this.peerConnection.onicegatheringstatechange = function () { + self.logger.log('RTCIceGatheringState changed: ' + this.iceGatheringState); + if (this.iceGatheringState === 'gathering') { + self.emit('iceGathering', this); + } + if (this.iceGatheringState === 'complete') { + self.onIceCompleted.resolve(this); + } + }; + + this.peerConnection.oniceconnectionstatechange = function() { //need e for commented out case + var stateEvent; + + if (this.iceConnectionState === 'checking') { + self.startIceCheckingTimer(); + } + + switch (this.iceConnectionState) { + case 'new': + stateEvent = 'iceConnection'; + break; + case 'checking': + stateEvent = 'iceConnectionChecking'; + break; + case 'connected': + stateEvent = 'iceConnectionConnected'; + break; + case 'completed': + stateEvent = 'iceConnectionCompleted'; + break; + case 'failed': + stateEvent = 'iceConnectionFailed'; + break; + case 'disconnected': + stateEvent = 'iceConnectionDisconnected'; + break; + case 'closed': + stateEvent = 'iceConnectionClosed'; + break; + default: + self.logger.warn('Unknown iceConnection state:', this.iceConnectionState); + return; + } + self.emit(stateEvent, this); + + //Bria state changes are always connected -> disconnected -> connected on accept, so session gets terminated + //normal calls switch from failed to connected in some cases, so checking for failed and terminated + /*if (this.iceConnectionState === 'failed') { + self.session.terminate({ + cause: SIP.C.causes.RTP_TIMEOUT, + status_code: 200, + reason_phrase: SIP.C.causes.RTP_TIMEOUT + }); + } else if (e.currentTarget.iceGatheringState === 'complete' && this.iceConnectionState !== 'closed') { + self.onIceCompleted(this); + }*/ + }; + + this.peerConnection.onstatechange = function() { + self.logger.log('PeerConnection state changed to "'+ this.readyState +'"'); + }; + }}, + + createOfferOrAnswer: {writable: true, value: function createOfferOrAnswer (constraints) { + var self = this; + var methodName; + var pc = self.peerConnection; + + self.ready = false; + methodName = self.hasOffer('remote') ? 'createAnswer' : 'createOffer'; + + return SIP.Utils.promisify(pc, methodName, true)(constraints) + .catch(function methodError(e) { + self.emit('peerConnection-' + methodName + 'Failed', e); + throw e; + }) + .then(SIP.Utils.promisify(pc, 'setLocalDescription')) + .catch(function localDescError(e) { + self.emit('peerConnection-selLocalDescriptionFailed', e); + throw e; + }) + .then(function onSetLocalDescriptionSuccess() { + var deferred = SIP.Utils.defer(); + if (pc.iceGatheringState === 'complete' && (pc.iceConnectionState === 'connected' || pc.iceConnectionState === 'completed')) { + deferred.resolve(); + } else { + self.onIceCompleted.promise.then(deferred.resolve); + } + return deferred.promise; + }) + .then(function readySuccess () { + var sdp = pc.localDescription.sdp; + + sdp = SIP.Hacks.Chrome.needsExplicitlyInactiveSDP(sdp); + sdp = SIP.Hacks.AllBrowsers.unmaskDtls(sdp); + + var sdpWrapper = { + type: methodName === 'createOffer' ? 'offer' : 'answer', + sdp: sdp + }; + + self.emit('getDescription', sdpWrapper); + + if (self.session.ua.configuration.hackStripTcp) { + sdpWrapper.sdp = sdpWrapper.sdp.replace(/^a=candidate:\d+ \d+ tcp .*?\r\n/img, ""); + } + + self.ready = true; + return sdpWrapper.sdp; + }) + .catch(function createOfferAnswerError (e) { + self.logger.error(e); + self.ready = true; + throw new SIP.Exceptions.GetDescriptionError(e); + }) + ; + }}, + + addStreams: {writable: true, value: function addStreams (streams) { + try { + streams = [].concat(streams); + streams.forEach(function (stream) { + this.peerConnection.addStream(stream); + }, this); + } catch(e) { + this.logger.error('error adding stream'); + this.logger.error(e); + return SIP.Utils.Promise.reject(e); + } + + return SIP.Utils.Promise.resolve(); + }}, + + toggleMuteHelper: {writable: true, value: function toggleMuteHelper (trackGetter, mute) { + this.getLocalStreams().forEach(function (stream) { + stream[trackGetter]().forEach(function (track) { + track.enabled = !mute; + }); + }); + }}, + + toggleMuteAudio: {writable: true, value: function toggleMuteAudio (mute) { + this.toggleMuteHelper('getAudioTracks', mute); + }}, + + toggleMuteVideo: {writable: true, value: function toggleMuteVideo (mute) { + this.toggleMuteHelper('getVideoTracks', mute); + }} +}); + +// Return since it will be assigned to a variable. +return MediaHandler; +}; + +},{}],34:[function(require,module,exports){ +"use strict"; +/** + * @fileoverview MediaStreamManager + */ + +/* MediaStreamManager + * @class Manages the acquisition and release of MediaStreams. + * @param {mediaHint} [defaultMediaHint] The mediaHint to use if none is provided to acquire() + */ +module.exports = function (SIP, environment) { + +// Default MediaStreamManager provides single-use streams created with getUserMedia +var MediaStreamManager = function MediaStreamManager (logger, defaultMediaHint) { + if (!SIP.WebRTC.isSupported()) { + throw new SIP.Exceptions.NotSupportedError('Media not supported'); + } + + this.mediaHint = defaultMediaHint || { + constraints: {audio: true, video: true} + }; + + // map of streams to acquisition manner: + // true -> passed in as mediaHint.stream + // false -> getUserMedia + this.acquisitions = {}; +}; +MediaStreamManager.streamId = function (stream) { + return stream.getAudioTracks().concat(stream.getVideoTracks()) + .map(function trackId (track) { + return track.id; + }) + .join(''); +}; + +/** + * @param {(Array of) MediaStream} streams - The streams to render + * + * @param {(Array of) HTMLMediaElement} elements + * - The