/*
* SIP version 0.7.3
* Copyright (c) 2014-2016 Junction Networks, Inc <http://www.onsip.com>
* 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 <http://www.versatica.com>
*
* 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<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
// 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.
function EventEmitter() {
this._events = this._events || {};
this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;
// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;
EventEmitter.prototype._events = undefined;
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.
EventEmitter.defaultMaxListeners = 10;
// 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(n) {
if (!isNumber(n) || n < 0 || isNaN(n))
throw TypeError('n must be a positive number');
this._maxListeners = n;
return this;
};
EventEmitter.prototype.emit = function(type) {
var er, handler, len, args, i, listeners;
if (!this._events)
this._events = {};
// If there is no 'error' event listener then throw.
if (type === 'error') {
if (!this._events.error ||
(isObject(this._events.error) && !this._events.error.length)) {
er = arguments[1];
if (er instanceof Error) {
throw er; // Unhandled 'error' event
}
throw TypeError('Uncaught, unspecified "error" event.');
}
}
handler = this._events[type];
if (isUndefined(handler))
return false;
if (isFunction(handler)) {
switch (arguments.length) {
// fast cases
case 1:
handler.call(this);
break;
case 2:
handler.call(this, arguments[1]);
break;
case 3:
handler.call(this, arguments[1], arguments[2]);
break;
// slower
default:
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
handler.apply(this, args);
}
} else if (isObject(handler)) {
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
listeners = handler.slice();
len = listeners.length;
for (i = 0; i < len; i++)
listeners[i].apply(this, args);
}
return true;
};
EventEmitter.prototype.addListener = function(type, listener) {
var m;
if (!isFunction(listener))
throw TypeError('listener must be a function');
if (!this._events)
this._events = {};
// To avoid recursion in the case that type === "newListener"! Before
// adding it to the listeners, first emit "newListener".
if (this._events.newListener)
this.emit('newListener', type,
isFunction(listener.listener) ?
listener.listener : listener);
if (!this._events[type])
// Optimize the case of one listener. Don't need the extra array object.
this._events[type] = listener;
else if (isObject(this._events[type]))
// If we've already got an array, just append.
this._events[type].push(listener);
else
// Adding the second element, need to change to array.
this._events[type] = [this._events[type], listener];
// Check for listener leak
if (isObject(this._events[type]) && !this._events[type].warned) {
var m;
if (!isUndefined(this._maxListeners)) {
m = this._maxListeners;
} else {
m = EventEmitter.defaultMaxListeners;
}
if (m && m > 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": "0.7.3",
"main": "src/index.js",
"browser": {
"./src/environment.js": "./src/environment_browser.js"
},
"homepage": "http://sipjs.com",
"author": "Will Mitchell <will@onsip.com>",
"contributors": [
{
"url": "http://sipjs.com/authors/"
}
],
"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": "~0.8.0",
"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": ">=0.8"
},
"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": "^0.6.4"
},
"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();
if (options.contentType) {
this.contentType = options.contentType;
options.extraHeaders.push('Content-Type: ' + this.contentType);
}
// Build the request
this.request = new SIP.OutgoingRequest(this.method,
target,
this.ua,
options.params,
options.extraHeaders);
if (options.body) {
this.body = options.body;
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 || {};
var cancel_reason = SIP.Utils.getCancelReason(options.status_code, options.reason_phrase);
this.request.cancel(cancel_reason);
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(),
body = options.body || null,
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*# \" [+#%'\"%$\"# X\"# X"),
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peg$decode("!/\u0136\"\"1%3\u0137+_$7<+U%!/\u0138\"\"1$3\u0139+& 4!6\u013A! %*4 \"!/\u013B\"\"1%3\u013C+& 4!6\u013D! %+#%'#%$## X$\"# X\"# X"),
peg$decode("!/\u013E\"\"1)3\u013F+T$7<+J%/\u0140\"\"1#3\u0141*/ \"/\u0142\"\"1(3\u0143*# \"76+(%4#6\u0144#! %$## X$\"# X\"# X"),
peg$decode("!/\u0145\"\"1#3\u0146+\x9E$7<+\x94%7D+\x8A%!7\xCB+k$ \\!.D\"\"2D3E+-$7\xCB+#%'\"%$\"# X\"# X,>&!.D\"\"2D3E+-$7\xCB+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X+-%7E+#%'%%$%# X$$# X$## X$\"# X\"# X"),
peg$decode("!/\u0147\"\"1(3\u0148*/ \"/\u0149\"\"1$3\u014A*# \"76+' 4!6\u014B!! %"),
peg$decode("!76+_$ \\!7A+-$76+#%'\"%$\"# X\"# X,8&!7A+-$76+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"),
peg$decode("!7\xCE+K$7.+A%7\xCE+7%7.+-%7\x8F+#%'%%$%# X$$# X$## X$\"# X\"# X"),
peg$decode("! \\7!+&$,#&7!\"\"\" X+' 4!6\u014C!! %"),
peg$decode("!7\xD0+c$ \\!7A+-$7\xD0+#%'\"%$\"# X\"# X,8&!7A+-$7\xD0+#%'\"%$\"# X\"# X\"+'%4\"6\u014D\" %$\"# X\"# X"),
peg$decode("!7\x98+c$ \\!7B+-$7\x9F+#%'\"%$\"# X\"# X,8&!7B+-$7\x9F+#%'\"%$\"# X\"# X\"+'%4\"6\u014E\" %$\"# X\"# X"),
peg$decode("!7L*T \"7\x98*N \"!7@*# \" [+=$7t+3%7?*# \" [+#%'#%$## X$\"# X\"# X+c$ \\!7B+-$7\x9F+#%'\"%$\"# X\"# X,8&!7B+-$7\x9F+#%'\"%$\"# X\"# X\"+'%4\"6\u014F\" %$\"# X\"# X"),
peg$decode("!7\xD3+c$ \\!7B+-$7\xD4+#%'\"%$\"# X\"# X,8&!7B+-$7\xD4+#%'\"%$\"# X\"# X\"+'%4\"6\u0150\" %$\"# X\"# X"),
peg$decode("!7\x95+& 4!6\u0151! %"),
peg$decode("!/\u0152\"\"1(3\u0153+<$7<+2%76+(%4#6\u0154#! %$## X$\"# X\"# X*j \"!/\u0155\"\"1&3\u0156+<$7<+2%76+(%4#6\u0157#! %$## X$\"# X\"# X*: \"!/\u0158\"\"1*3\u0159+& 4!6\u015A! %*# \"7\x9F"),
peg$decode("!!76+o$ \\!7A+2$76+(%4\"6\u015B\"! %$\"# X\"# X,=&!7A+2$76+(%4\"6\u015B\"! %$\"# X\"# X\"+)%4\"6\u015C\"\"! %$\"# X\"# X*# \" [+' 4!6\u015D!! %"),
peg$decode("!7\xD7+_$ \\!7A+-$7\xD7+#%'\"%$\"# X\"# X,8&!7A+-$7\xD7+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"),
peg$decode("!7\x98+_$ \\!7B+-$7\x9F+#%'\"%$\"# X\"# X,8&!7B+-$7\x9F+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"),
peg$decode("! \\7!+&$,#&7!\"\"\" X+' 4!6\u015E!! %"),
peg$decode("!7\xDA+_$ \\!7B+-$7\xDB+#%'\"%$\"# X\"# X,8&!7B+-$7\xDB+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"),
peg$decode("!/\u015F\"\"1&3\u0160*; \"/\u0161\"\"1'3\u0162*/ \"/\u0163\"\"1*3\u0164*# \"76+& 4!6\u0165! %"),
peg$decode("!/\u0166\"\"1&3\u0167+<$7<+2%7\xDC+(%4#6\u0168#! %$## X$\"# X\"# X*\x83 \"!/\xF6\"\"1'3\xF7+<$7<+2%7\x9D+(%4#6\u0169#! %$## X$\"# X\"# X*S \"!/\u016A\"\"1+3\u016B+<$7<+2%7\x9D+(%4#6\u016C#! %$## X$\"# X\"# X*# \"7\x9F"),
peg$decode("/\u016D\"\"1+3\u016E*k \"/\u016F\"\"1)3\u0170*_ \"/\u0171\"\"1(3\u0172*S \"/\u0173\"\"1'3\u0174*G \"/\u0175\"\"1&3\u0176*; \"/\u0177\"\"1*3\u0178*/ \"/\u0179\"\"1)3\u017A*# \"76"),
peg$decode("71*# \" ["),
peg$decode("!!76+o$ \\!7A+2$76+(%4\"6\u015B\"! %$\"# X\"# X,=&!7A+2$76+(%4\"6\u015B\"! %$\"# X\"# X\"+)%4\"6\u015C\"\"! %$\"# X\"# X*# \" [+' 4!6\u017B!! %"),
peg$decode("!7L*# \"7\x98+c$ \\!7B+-$7\xE0+#%'\"%$\"# X\"# X,8&!7B+-$7\xE0+#%'\"%$\"# X\"# X\"+'%4\"6\u017C\" %$\"# X\"# X"),
peg$decode("7\xB8*# \"7\x9F"),
peg$decode("!7\xE2+_$ \\!7A+-$7\xE2+#%'\"%$\"# X\"# X,8&!7A+-$7\xE2+#%'\"%$\"# X\"# X\"+#%'\"%$\"# X\"# X"),
peg$decode("!7\xE9+s$7.+i%7\xEC+_% \\!7B+-$7\xE3+#%'\"%$\"# X\"# X,8&!7B+-$7\xE3+#%'\"%$\"# X\"# X\"+#%'$%$$# X$## X$\"# X\"# X"),
peg$decode("7\xE4*; \"7\xE5*5 \"7\xE6*/ \"7\xE7*) \"7\xE8*# \"7\x9F"),
peg$decode("!/\u017D\"\"1#3\u017E+<$7<+2%7\xEF+(%4#6\u017F#! %$## X$\"# X\"# X"),
peg$decode("!/\u0180\"\"1%3\u0181+<$7<+2%7T+(%4#6\u0182#! %$## X$\"# X\"# X"),
peg$decode("!/\u0183\"\"1(3\u0184+B$7<+8%7\\*# \"7Y+(%4#6\u0185#! %$## X$\"# X\"# X"),
peg$decode("!/\u0186\"\"1&3\u0187+<$7<+2%76+(%4#6\u0188#! %$## X$\"# X\"# X"),
peg$decode("!/\u0189\"\"1%3\u018A+T$!7<+5$ \\7!,#&7!\"+#%'\"%$\"# X\"# X*# \" [+'%4\"6\u018B\" %$\"# X\"# X"),
peg$decode("!7\xEA+K$7;+A%76+7%7;+-%7\xEB+#%'%%$%# X$$# X$## X$\"# X\"# X"),
peg$decode("!/\x95\"\"1#3\xD6*# \"76+' 4!6\u018C!! %"),
peg$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 (message) {
if (message.body) {
message.body = message.body.replace(/ UDP\/TLS\/RTP\/SAVP/gmi, " RTP/SAVP");
}
},
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 (message) {
if (this.isFirefox() && message.body) {
message.body = message.body.replace(/ \r\n/g, "\r\n");
}
},
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<mlines.length; i++) {
// If it has an i= line, check if the next line is the c= line
if (mlines[i].toString().search(/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;
}},
/**
* Message reception.
* @param {String} type
* @param {String} description
*/
setDescription: {value: function setDescription (description) {
// keep jshint happy
description = description;
}}
});
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="<urn:uuid:'+ ua.configuration.instanceId+'>"';
}
// 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');
var SIP = Object.defineProperties({}, {
version: {
get: function(){ return pkg.version; }
},
name: {
get: function(){ return pkg.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:
* <br>
* - 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) {
length = SIP.Utils.str_utf8_length(this.body);
msg += 'Content-Length: ' + length + '\r\n\r\n';
msg += this.body;
} 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) {
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 {
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,
logger,
message, ua, transport,
requests = [],
responses = [],
all = [];
// Reply
function reply(status_code) {
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() {
if(!message.ruri || message.ruri.scheme !== 'sip') {
reply(416);
return false;
}
}
function rfc3261_16_3_4() {
if(!message.to_tag) {
if(message.call_id.substr(0, 5) === ua.configuration.sipjsId) {
reply(482);
return false;
}
}
}
function rfc3261_18_3_request() {
var len = SIP.Utils.str_utf8_length(message.body),
contentLength = message.getHeader('content-length');
if(len < contentLength) {
reply(400);
return false;
}
}
function rfc3261_8_2_2_2() {
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);
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);
return false;
}
}
}
}
}
}
// Sanity Check functions for responses
function rfc3261_8_1_3_3() {
if(message.getHeaders('via').length > 1) {
logger.warn('More than one Via header field present in the response. Dropping the response');
return false;
}
}
function rfc3261_18_1_2() {
var viaHost = ua.configuration.viaHost;
if(message.via.host !== viaHost || message.via.port !== undefined) {
logger.warn('Via sent-by in the response does not match UA Via host value. Dropping the response');
return false;
}
}
function rfc3261_18_3_response() {
var
len = SIP.Utils.str_utf8_length(message.body),
contentLength = message.getHeader('content-length');
if(len < contentLength) {
logger.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() {
var
mandatoryHeaders = ['from', 'to', 'call_id', 'cseq', 'via'],
idx = mandatoryHeaders.length;
while(idx--) {
if(!message.hasHeader(mandatoryHeaders[idx])) {
logger.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(m, u, t) {
var len, pass;
message = m;
ua = u;
transport = t;
logger = ua.getLogger('sip.sanitycheck');
len = all.length;
while(len--) {
pass = all[len](message);
if(pass === false) {
return false;
}
}
if(message instanceof SIP.IncomingRequest) {
len = requests.length;
while(len--) {
pass = requests[len](message);
if(pass === false) {
return false;
}
}
}
else if(message instanceof SIP.IncomingResponse) {
len = responses.length;
while(len--) {
pass = responses[len](message);
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<length; idx++) {
if (this.actions[idx].name === name) {
return true;
}
}
return false;
},
shift: function() {
return this.actions.shift();
},
push: function(name) {
this.actions.push({
name: name
});
},
pop: function(name) {
var
idx = 0,
length = this.actions.length;
for (idx; idx<length; idx++) {
if (this.actions[idx].name === name) {
this.actions.splice(idx,1);
length --;
idx--;
}
}
}
};
this.early_sdp = null;
this.rel100 = SIP.C.supported.UNSUPPORTED;
};
Session.prototype = {
dtmf: function(tones, options) {
var tone, dtmfs = [],
self = this;
options = options || {};
if (tones === undefined) {
throw new TypeError('Not enough arguments');
}
// Check Session Status
if (this.status !== C.STATUS_CONFIRMED && this.status !== C.STATUS_WAITING_FOR_ACK) {
throw new SIP.Exceptions.InvalidStateError(this.status);
}
// Check tones
if ((typeof tones !== 'string' && typeof tones !== 'number') || !tones.toString().match(/^[0-9A-D#*,]+$/i)) {
throw new TypeError('Invalid tones: '+ tones);
}
tones = tones.toString().split('');
while (tones.length > 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() {
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({
mangle: function(body){
// Don't receive media
// TODO - This will break for media streams with different directions.
if (!(/a=(sendrecv|sendonly|recvonly|inactive)/).test(body)) {
body = body.replace(/(m=[^\r]*\r\n)/g, '$1a=sendonly\r\n');
} else {
body = body.replace(/a=sendrecv\r\n/g, 'a=sendonly\r\n');
body = body.replace(/a=recvonly\r\n/g, 'a=inactive\r\n');
}
return body;
}
});
},
/**
* Unhold
*/
unhold: function() {
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();
},
/**
* isOnHold
*/
isOnHold: function() {
return {
local: this.local_hold,
remote: this.remote_hold
};
},
/**
* In dialog INVITE Reception
* @private
*/
receiveReinvite: function(request) {
var self = this;
if (!request.body) {
return;
}
if (request.getHeader('Content-Type') !== 'application/sdp') {
this.logger.warn('invalid Content-Type');
request.reply(415);
return;
}
this.mediaHandler.setDescription(request.body)
.then(this.mediaHandler.getDescription.bind(this.mediaHandler, this.mediaHint))
.then(function(body) {
request.reply(200, null, ['Contact: ' + self.contact], body,
function() {
self.status = C.STATUS_WAITING_FOR_ACK;
self.setInvite2xxTimer(request, body);
self.setACKTimer();
// Are we holding?
var hold = (/a=(sendonly|inactive)/).test(request.body);
if (self.remote_hold && !hold) {
self.onunhold('remote');
} else if (!self.remote_hold && 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 || {},
mangle = options.mangle || null;
if (eventHandlers.succeeded) {
this.reinviteSucceeded = eventHandlers.succeeded;
} else {
this.reinviteSucceeded = function(){
SIP.Timers.clearTimeout(self.timers.ackTimer);
SIP.Timers.clearTimeout(self.timers.invite2xxTimer);
self.status = C.STATUS_CONFIRMED;
};
}
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());
extraHeaders.push('Content-Type: application/sdp');
this.receiveResponse = this.receiveReinviteResponse;
//REVISIT
this.mediaHandler.getDescription(self.mediaHint)
.then(mangle)
.then(
function(body){
self.dialog.sendRequest(self, SIP.C.INVITE, {
extraHeaders: extraHeaders,
body: body
});
},
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) {
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,"$2"), 10);
}
}
}
new DTMF(this, tone, {duration: duration}).init_incoming(request);
} else {
request.reply(415, null, ["Accept: application/dtmf-relay"]);
}
}
}
break;
case SIP.C.REFER:
if(this.status === C.STATUS_CONFIRMED) {
this.logger.log('REFER received');
request.reply(202, 'Accepted');
var
hasReferListener = this.listeners('refer').length,
notifyBody = hasReferListener ?
'SIP/2.0 100 Trying' :
// RFC 3515.2.4.2: 'the UA MAY decline the request.'
'SIP/2.0 603 Declined'
;
this.sendRequest(SIP.C.NOTIFY, {
extraHeaders:[
'Event: refer',
'Subscription-State: terminated',
'Content-Type: message/sipfrag'
],
body: notifyBody,
receiveResponse: function() {}
});
if (hasReferListener) {
this.emit('refer', request);
}
}
break;
case SIP.C.NOTIFY:
request.reply(200, 'OK');
this.emit('notify', request);
break;
}
},
/**
* Reception of Response for in-dialog INVITE
* @private
*/
receiveReinviteResponse: function(response) {
var self = this,
contentType = response.getHeader('Content-Type');
if (this.status === C.STATUS_TERMINATED) {
return;
}
switch(true) {
case /^1[0-9]{2}$/.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(!response.body) {
this.reinviteFailed();
break;
} else if (contentType !== 'application/sdp') {
this.reinviteFailed();
break;
}
//REVISIT
this.mediaHandler.setDescription(response.body)
.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, body) {
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');
request.reply(200, null, ['Contact: ' + self.contact], body);
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');
// Check body and content type
if ((!contentDisp && contentType !== 'application/sdp') || (contentDisp && contentDisp.type === 'render')) {
this.renderbody = request.body;
this.rendertype = contentType;
} else if (contentType !== 'application/sdp' && (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;
}
//TODO: move this into media handler
SIP.Hacks.Firefox.cannotHandleExtraWhitespace(request);
SIP.Hacks.AllBrowsers.maskDtls(request);
SIP.Utils.augment(this, SIP.ServerContext, [ua, request]);
SIP.Utils.augment(this, SIP.Session, [ua.configuration.mediaHandlerFactory]);
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;
}
//Initialize Media Session
this.mediaHandler = this.mediaHandlerFactory(this, {
RTCConstraints: {"optional": [{'DtlsSrtpKeyAgreement': 'true'}]}
});
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 (!request.body || this.renderbody) {
SIP.Timers.setTimeout(fireNewSession, 0);
} else {
this.hasOffer = true;
this.mediaHandler.setDescription(request.body)
.then(
fireNewSession,
function onFailure (e) {
self.logger.warn('invalid SDP');
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.request(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.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 = SIP.UA.configuration_check.optional['stunServers'](stunServers);
if (!iceServers) {
throw new TypeError('Invalid stunServers: '+ stunServers);
} else {
this.stunServers = iceServers;
}
}
if (turnServers) {
iceServers = SIP.UA.configuration_check.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 (body) {
if (this.isCanceled || this.status === C.STATUS_TERMINATED) {
return;
}
this.early_sdp = 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, body);
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, body);
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;
// 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,
sdpCreationSucceeded = function(body) {
var
response,
// run for reply success callback
replySucceeded = function() {
self.status = C.STATUS_WAITING_FOR_ACK;
self.setInvite2xxTimer(request, body);
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,
body,
replySucceeded,
replyFailed
);
if (self.status !== C.STATUS_TERMINATED) { // Didn't fail
self.accepted(response, SIP.Utils.getReasonPhrase(200));
}
},
sdpCreationFailed = 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 = SIP.UA.configuration_check.optional['stunServers'](stunServers);
if (!iceServers) {
throw new TypeError('Invalid stunServers: '+ stunServers);
} else {
this.stunServers = iceServers;
}
}
if (turnServers) {
iceServers = SIP.UA.configuration_check.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) {
sdpCreationSucceeded();
} else {
this.mediaHandler.getDescription(self.mediaHint)
.then(
sdpCreationSucceeded,
sdpCreationFailed
);
}
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 (contentType !== 'application/sdp') {
this.renderbody = request.body;
this.rendertype = contentType;
}
}
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(request.body && request.getHeader('content-type') === 'application/sdp') {
// ACK contains answer to an INVITE w/o SDP negotiation
SIP.Hacks.Firefox.cannotHandleExtraWhitespace(request);
SIP.Hacks.AllBrowsers.maskDtls(request);
this.hasAnswer = true;
this.mediaHandler.setDescription(request.body)
.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(request.body && request.getHeader('content-type') === 'application/sdp') {
this.hasAnswer = true;
this.mediaHandler.setDescription(request.body)
.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,
isMediaSupported = ua.configuration.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) {
extraHeaders.push('Content-Type: application/sdp');
} else if (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, [ua.configuration.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 = SIP.UA.configuration_check.optional['stunServers'](stunServers);
if (!iceServers) {
throw new TypeError('Invalid stunServers: '+ stunServers);
} else {
this.stunServers = iceServers;
}
}
if (turnServers) {
iceServers = SIP.UA.configuration_check.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;
};
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(offer) {
if (self.isCanceled || self.status === C.STATUS_TERMINATED) {
return;
}
self.hasOffer = true;
self.request.body = offer;
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);
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;
}
SIP.Hacks.Firefox.cannotHandleExtraWhitespace(response);
SIP.Hacks.AllBrowsers.maskDtls(response);
if (!response.body) {
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.body)
.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.body)
.then(earlyMedia.getDescription.bind(earlyMedia, session.mediaHint))
.then(function onSuccess(sdp) {
extraHeaders.push('Content-Type: application/sdp');
extraHeaders.push('RAck: ' + response.getHeader('rseq') + ' ' + response.getHeader('cseq'));
earlyDialog.sendRequest(session, SIP.C.PRACK, {
extraHeaders: extraHeaders,
body: sdp
});
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 SDP');
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;
}
SIP.Hacks.Firefox.cannotHandleExtraWhitespace(response);
SIP.Hacks.AllBrowsers.maskDtls(response);
// 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(!response.body) {
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.body)
.then(this.mediaHandler.getDescription.bind(this.mediaHandler, this.mediaHint))
.then(function onSuccess(sdp) {
//var localMedia;
if(session.isCanceled || session.status === C.STATUS_TERMINATED) {
return;
}
sdp = SIP.Hacks.Firefox.hasMissingCLineInSDP(sdp);
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: sdp,
extraHeaders:['Content-Type: application/sdp'],
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 SDP');
session.logger.warn(e);
response.reply(488);
}
});
}
} 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(!response.body) {
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.body)
.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 || {};
// 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);
}
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() : [];
extraHeaders.push('Content-Type: application/dtmf-relay');
body = "Signal= " + this.tone + "\r\n";
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.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)){
expires = response.getHeader('Expires');
SIP.Timers.clearTimeout(this.timers.N);
if (this.createConfirmedDialog(response,'UAC')) {
this.id = this.dialog.id.toString();
this.ua.subscriptions[this.id] = this;
this.emit('accepted', response, cause);
// UPDATE ROUTE SET TO BE BACKWARDS COMPATIBLE?
}
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);
}
}
} //Used to just ignore provisional responses; now ignores everything except errorCodes and 2xx
},
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 === 'pending' || this.state === 'notify_wait') {
this.close();
} else {
this.refresh();
}
},
/**
* @private
*/
close: function() {
if(this.state !== 'notify_wait' && this.state !== 'terminated') {
this.unsubscribe();
}
},
/**
* @private
*/
createConfirmedDialog: function(message, type) {
var dialog;
this.terminateDialog();
dialog = new SIP.Dialog(this, message, type);
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;
}
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);
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) {
tr.cancel_request(tr, reason);
};
};
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) {
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';
}
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.state = 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();
}
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.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);
};
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'
],
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.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();
}
if (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)) {
environment.addEventListener('unload', this.stop.bind(this));
}
}
};
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));
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 Subscription
for(subscription in this.subscriptions) {
this.logger.log('unsubscribing from subscription ' + subscription);
this.subscriptions[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);
}
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');
}
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,
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;
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);
if(session) {
session.receiveRequest(request);
} else {
this.logger.warn('received NOTIFY request for a non existent session');
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;
};
/**
* 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: '<sip:edge.sip.onsip.com;transport=ws;lr>',
status: 0,
weight: 0,
ws_uri: 'wss://edge.sip.onsip.com'
}],
// 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,
contactTransport: 'ws',
forceRport: false,
//autostarting
autostart: 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);
})
};
// 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];
}
// Check Mandatory parameters
for(parameter in UA.configuration_check.mandatory) {
aliasUnderscored(parameter, this.logger);
if(!configuration.hasOwnProperty(parameter)) {
throw new SIP.Exceptions.ConfigurationError(parameter);
} else {
value = configuration[parameter];
checked_value = UA.configuration_check.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 UA.configuration_check.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 = UA.configuration_check.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);
// Fill the value of the configuration_skeleton
for(parameter in settings) {
UA.configuration_skeleton[parameter].value = settings[parameter];
}
Object.defineProperties(this.configuration, UA.configuration_skeleton);
// Clean UA.configuration_skeleton
for(parameter in settings) {
UA.configuration_skeleton[parameter].value = '';
}
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 Object skeleton.
* @private
*/
UA.configuration_skeleton = (function() {
var idx, parameter,
skeleton = {},
parameters = [
// Internal parameters
"sipjsId",
"hostportParams",
// Optional user configurable parameters
"uri",
"wsServers",
"authorizationUser",
"connectionRecoveryMaxInterval",
"connectionRecoveryMinInterval",
"keepAliveInterval",
"extraSupported",
"displayName",
"hackViaTcp", // false.
"hackIpInContact", //false
"hackWssInTransport", //false
"hackAllowUnregisteredOptionTags", //false
"contactTransport", // 'ws'
"forceRport", // false
"iceCheckingTimeout",
"instanceId",
"noAnswerTimeout", // 30 seconds.
"password",
"registerExpires", // 600 seconds.
"registrarServer",
"reliable",
"rel100",
"replaces",
"userAgentString", //SIP.C.USER_AGENT
"autostart",
"stunServers",
"traceSip",
"turnServers",
"usePreloadedRoute",
"wsServerMaxReconnection",
"wsServerReconnectionTimeout",
"mediaHandlerFactory",
"media",
"mediaConstraints",
"authenticationFactory",
// Post-configuration generated parameters
"via_core_value",
"viaHost"
];
for(idx in parameters) {
parameter = parameters[idx];
skeleton[parameter] = {
value: '',
writable: false,
configurable: false
};
}
skeleton['register'] = {
value: '',
writable: true,
configurable: false
};
return skeleton;
}());
/**
* Configuration checker.
* @private
* @return {Boolean}
*/
UA.configuration_check = {
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 = '<sip:' + url.host + (url.port ? ':' + url.port : '') + ';transport=' + url.scheme.replace(/^wss$/i, 'ws') + ';lr>';
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;
}
},
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 || !turn_server.username || !turn_server.password) {
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;
},
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;
}
},
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
}
};
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<<iShiftBits) | (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)<<lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
lWordArray[lNumberOfWords-2] = lMessageLength<<3;
lWordArray[lNumberOfWords-1] = lMessageLength>>>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<x.length;k+=16) {
AA=a; BB=b; CC=c; DD=d;
a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
d=GG(d,a,b,c,x[k+10],S22,0x2441453);
c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
a=II(a,b,c,d,x[k+0], S41,0xF4292244);
d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
c=II(c,d,a,b,x[k+6], S43,0xA3014314);
b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
a=AddUnsigned(a,AA);
b=AddUnsigned(b,BB);
c=AddUnsigned(c,CC);
d=AddUnsigned(d,DD);
}
var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
return temp.toLowerCase();
}
};
SIP.Utils = Utils;
};
},{}],32:[function(require,module,exports){
"use strict";
/**
* @fileoverview WebRTC
*/
module.exports = function (SIP, environment) {
var WebRTC;
WebRTC = {};
WebRTC.MediaHandler = require('./WebRTC/MediaHandler')(SIP);
WebRTC.MediaStreamManager = require('./WebRTC/MediaStreamManager')(SIP, environment);
var _isSupported;
WebRTC.isSupported = function () {
if (_isSupported !== undefined) {
return _isSupported;
}
WebRTC.MediaStream = environment.MediaStream;
WebRTC.getUserMedia = environment.getUserMedia;
WebRTC.RTCPeerConnection = environment.RTCPeerConnection;
WebRTC.RTCSessionDescription = environment.RTCSessionDescription;
if (WebRTC.RTCPeerConnection && WebRTC.RTCSessionDescription) {
if (WebRTC.getUserMedia) {
WebRTC.getUserMedia = SIP.Utils.promisify(environment, 'getUserMedia');
}
_isSupported = true;
}
else {
_isSupported = false;
}
return _isSupported;
};
return WebRTC;
};
},{"./WebRTC/MediaHandler":33,"./WebRTC/MediaStreamManager":34}],33:[function(require,module,exports){
"use strict";
/**
* @fileoverview MediaHandler
*/
/* MediaHandler
* @class PeerConnection helper Class.
* @param {SIP.Session} session
* @param {Object} [options]
* @param {SIP.WebRTC.MediaStreamManager} [options.mediaStreamManager]
* The MediaStreamManager to acquire/release streams from/to.
* If not provided, a default MediaStreamManager will be used.
*/
module.exports = function (SIP) {
var MediaHandler = function(session, options) {
options = options || {};
this.logger = session.ua.getLogger('sip.invitecontext.mediahandler', session.id);
this.session = session;
this.localMedia = null;
this.ready = true;
this.mediaStreamManager = options.mediaStreamManager || new SIP.WebRTC.MediaStreamManager(this.logger);
this.audioMuted = false;
this.videoMuted = false;
// old init() from here on
var servers = this.prepareIceServers(options.stunServers, options.turnServers);
this.RTCConstraints = options.RTCConstraints || {};
this.initPeerConnection(servers, this.RTCConstraints);
function selfEmit(mh, event) {
if (mh.mediaStreamManager.on) {
mh.mediaStreamManager.on(event, function () {
mh.emit.apply(mh, [event].concat(Array.prototype.slice.call(arguments)));
});
}
}
selfEmit(this, 'userMediaRequest');
selfEmit(this, 'userMedia');
selfEmit(this, 'userMediaFailed');
};
MediaHandler.defaultFactory = function defaultFactory (session, options) {
return new MediaHandler(session, options);
};
MediaHandler.defaultFactory.isSupported = function () {
return SIP.WebRTC.isSupported();
};
MediaHandler.prototype = Object.create(SIP.MediaHandler.prototype, {
// Functions the session can use
isReady: {writable: true, value: function isReady () {
return this.ready;
}},
close: {writable: true, value: function close () {
this.logger.log('closing PeerConnection');
this._remoteStreams = [];
// have to check signalingState since this.close() gets called multiple times
// TODO figure out why that happens
if(this.peerConnection && this.peerConnection.signalingState !== 'closed') {
this.peerConnection.close();
if(this.localMedia) {
this.mediaStreamManager.release(this.localMedia);
}
}
}},
/**
* @param {SIP.WebRTC.MediaStream | (getUserMedia constraints)} [mediaHint]
* the MediaStream (or the constraints describing it) to be used for the session
*/
getDescription: {writable: true, value: function getDescription (mediaHint) {
var self = this;
var acquire = self.mediaStreamManager.acquire;
if (acquire.length > 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);
})
;
}},
/**
* Message reception.
* @param {String} type
* @param {String} sdp
*/
setDescription: {writable: true, value: function setDescription (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);
}},
/**
* 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, this.RTCConstraints);
/* 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.toggleMuteAudio(true);
this.toggleMuteVideo(true);
}},
unhold: {writable: true, value: function unhold () {
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 idx, jdx, length, server,
servers = [],
config = this.session.ua.configuration;
stunServers = stunServers || null;
turnServers = turnServers || null;
if (!stunServers) {
stunServers = config.stunServers;
}
if(!turnServers) {
turnServers = config.turnServers;
}
/* Change 'url' to 'urls' whenever this issue is solved:
* https://code.google.com/p/webrtc/issues/detail?id=2096
*/
[].concat(stunServers).forEach(function (server) {
servers.push({'url': server});
});
length = turnServers.length;
for (idx = 0; idx < length; idx++) {
server = turnServers[idx];
for (jdx = 0; jdx < server.urls.length; jdx++) {
servers.push({
'url': server.urls[jdx],
'username': server.username,
'credential': server.password
});
}
}
return servers;
}},
initPeerConnection: {writable: true, value: function initPeerConnection(servers, RTCConstraints) {
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();
}
this.peerConnection = new SIP.WebRTC.RTCPeerConnection({'iceServers': servers}, RTCConstraints);
// 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)
.then(SIP.Utils.promisify(pc, 'setLocalDescription'))
.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);
self.ready = true;
return sdpWrapper.sdp;
})
.catch(function methodFailed (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 <audio>/<video> element(s) that should render the streams
*
* Each stream in streams renders to the corresponding element in elements,
* wrapping around elements if needed.
*/
MediaStreamManager.render = function render (streams, elements) {
if (!elements) {
return false;
}
if (Array.isArray(elements) && !elements.length) {
throw new TypeError('elements must not be empty');
}
function attachMediaStream(element, stream) {
if (typeof element.src !== 'undefined') {
environment.revokeObjectURL(element.src);
element.src = environment.createObjectURL(stream);
} else if (typeof (element.srcObject || element.mozSrcObject) !== 'undefined') {
element.srcObject = element.mozSrcObject = stream;
} else {
return false;
}
return true;
}
function ensureMediaPlaying (mediaElement) {
var interval = 100;
mediaElement.ensurePlayingIntervalId = SIP.Timers.setInterval(function () {
if (mediaElement.paused) {
mediaElement.play();
}
else {
SIP.Timers.clearInterval(mediaElement.ensurePlayingIntervalId);
}
}, interval);
}
function attachAndPlay (elements, stream, index) {
if (typeof elements === 'function') {
elements = elements();
}
var element = elements[index % elements.length];
(environment.attachMediaStream || attachMediaStream)(element, stream);
ensureMediaPlaying(element);
}
// [].concat "casts" `elements` into an array
// so forEach works even if `elements` was a single element
elements = [].concat(elements);
[].concat(streams).forEach(attachAndPlay.bind(null, elements));
};
MediaStreamManager.prototype = Object.create(SIP.EventEmitter.prototype, {
'acquire': {writable: true, value: function acquire (mediaHint) {
mediaHint = Object.keys(mediaHint || {}).length ? mediaHint : this.mediaHint;
var saveSuccess = function (isHintStream, streams) {
streams = [].concat(streams);
streams.forEach(function (stream) {
var streamId = MediaStreamManager.streamId(stream);
this.acquisitions[streamId] = !!isHintStream;
}, this);
return SIP.Utils.Promise.resolve(streams);
}.bind(this);
if (mediaHint.stream) {
return saveSuccess(true, mediaHint.stream);
} else {
// Fallback to audio/video enabled if no mediaHint can be found.
var constraints = mediaHint.constraints ||
(this.mediaHint && this.mediaHint.constraints) ||
{audio: true, video: true};
var deferred = SIP.Utils.defer();
/*
* Make the call asynchronous, so that ICCs have a chance
* to define callbacks to `userMediaRequest`
*/
SIP.Timers.setTimeout(function () {
this.emit('userMediaRequest', constraints);
var emitThenCall = function (eventName, callback) {
var callbackArgs = Array.prototype.slice.call(arguments, 2);
// Emit with all of the arguments from the real callback.
var newArgs = [eventName].concat(callbackArgs);
this.emit.apply(this, newArgs);
return callback.apply(null, callbackArgs);
}.bind(this);
if (constraints.audio || constraints.video) {
deferred.resolve(
SIP.WebRTC.getUserMedia(constraints)
.then(
emitThenCall.bind(this, 'userMedia', saveSuccess.bind(null, false)),
emitThenCall.bind(this, 'userMediaFailed', function(e){throw e;})
)
);
} else {
// Local streams were explicitly excluded.
deferred.resolve([]);
}
}.bind(this), 0);
return deferred.promise;
}
}},
'release': {writable: true, value: function release (streams) {
streams = [].concat(streams);
streams.forEach(function (stream) {
var streamId = MediaStreamManager.streamId(stream);
if (this.acquisitions[streamId] === false) {
stream.getTracks().forEach(function (track) {
track.stop();
});
}
delete this.acquisitions[streamId];
}, this);
}},
});
// Return since it will be assigned to a variable.
return MediaStreamManager;
};
},{}],35:[function(require,module,exports){
(function (global){
"use strict";
var toplevel = global.window || global;
function getPrefixedProperty (object, name) {
if (object == null) {
return;
}
var capitalizedName = name.charAt(0).toUpperCase() + name.slice(1);
var prefixedNames = [name, 'webkit' + capitalizedName, 'moz' + capitalizedName];
for (var i in prefixedNames) {
var property = object[prefixedNames[i]];
if (property) {
return property.bind(object);
}
}
}
module.exports = {
WebSocket: toplevel.WebSocket,
Transport: require('./Transport'),
open: toplevel.open,
Promise: toplevel.Promise,
timers: toplevel,
// Console is not defined in ECMAScript, so just in case...
console: toplevel.console || {
debug: function () {},
log: function () {},
warn: function () {},
error: function () {}
},
MediaStream: getPrefixedProperty(toplevel, 'MediaStream'),
getUserMedia: getPrefixedProperty(toplevel.navigator, 'getUserMedia'),
RTCPeerConnection: getPrefixedProperty(toplevel, 'RTCPeerConnection'),
RTCSessionDescription: getPrefixedProperty(toplevel, 'RTCSessionDescription'),
addEventListener: getPrefixedProperty(toplevel, 'addEventListener'),
HTMLMediaElement: toplevel.HTMLMediaElement,
attachMediaStream: toplevel.attachMediaStream,
createObjectURL: toplevel.URL && toplevel.URL.createObjectURL,
revokeObjectURL: toplevel.URL && toplevel.URL.revokeObjectURL
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./Transport":28}],36:[function(require,module,exports){
"use strict";
module.exports = require('./SIP')(require('./environment'));
},{"./SIP":19,"./environment":35}]},{},[36])(36)
});
Christopher W. Olsen