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- !function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.xmpp=e()}}(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){
- /* jshint -W117 */
- var TraceablePeerConnection = require("./TraceablePeerConnection");
- var SDPDiffer = require("./SDPDiffer");
- var SDPUtil = require("./SDPUtil");
- var SDP = require("./SDP");
-
- // Jingle stuff
- function JingleSession(me, sid, connection, service) {
- this.me = me;
- this.sid = sid;
- this.connection = connection;
- this.initiator = null;
- this.responder = null;
- this.isInitiator = null;
- this.peerjid = null;
- this.state = null;
- this.localSDP = null;
- this.remoteSDP = null;
- this.relayedStreams = [];
- this.startTime = null;
- this.stopTime = null;
- this.media_constraints = null;
- this.pc_constraints = null;
- this.ice_config = {};
- this.drip_container = [];
- this.service = service;
-
- this.usetrickle = true;
- this.usepranswer = false; // early transport warmup -- mind you, this might fail. depends on webrtc issue 1718
- this.usedrip = false; // dripping is sending trickle candidates not one-by-one
-
- this.hadstuncandidate = false;
- this.hadturncandidate = false;
- this.lasticecandidate = false;
-
- this.statsinterval = null;
-
- this.reason = null;
-
- this.addssrc = [];
- this.removessrc = [];
- this.pendingop = null;
- this.switchstreams = false;
-
- this.wait = true;
- this.localStreamsSSRC = null;
-
- /**
- * The indicator which determines whether the (local) video has been muted
- * in response to a user command in contrast to an automatic decision made
- * by the application logic.
- */
- this.videoMuteByUser = false;
- }
-
- JingleSession.prototype.initiate = function (peerjid, isInitiator) {
- var self = this;
- if (this.state !== null) {
- console.error('attempt to initiate on session ' + this.sid +
- 'in state ' + this.state);
- return;
- }
- this.isInitiator = isInitiator;
- this.state = 'pending';
- this.initiator = isInitiator ? this.me : peerjid;
- this.responder = !isInitiator ? this.me : peerjid;
- this.peerjid = peerjid;
- this.hadstuncandidate = false;
- this.hadturncandidate = false;
- this.lasticecandidate = false;
-
- this.peerconnection
- = new TraceablePeerConnection(
- this.connection.jingle.ice_config,
- this.connection.jingle.pc_constraints );
-
- this.peerconnection.onicecandidate = function (event) {
- self.sendIceCandidate(event.candidate);
- };
- this.peerconnection.onaddstream = function (event) {
- console.log("REMOTE STREAM ADDED: " + event.stream + " - " + event.stream.id);
- self.remoteStreamAdded(event);
- };
- this.peerconnection.onremovestream = function (event) {
- // Remove the stream from remoteStreams
- // FIXME: remotestreamremoved.jingle not defined anywhere(unused)
- $(document).trigger('remotestreamremoved.jingle', [event, self.sid]);
- };
- this.peerconnection.onsignalingstatechange = function (event) {
- if (!(self && self.peerconnection)) return;
- };
- this.peerconnection.oniceconnectionstatechange = function (event) {
- if (!(self && self.peerconnection)) return;
- switch (self.peerconnection.iceConnectionState) {
- case 'connected':
- this.startTime = new Date();
- break;
- case 'disconnected':
- this.stopTime = new Date();
- break;
- }
- onIceConnectionStateChange(self.sid, self);
- };
- // add any local and relayed stream
- RTC.localStreams.forEach(function(stream) {
- self.peerconnection.addStream(stream.getOriginalStream());
- });
- this.relayedStreams.forEach(function(stream) {
- self.peerconnection.addStream(stream);
- });
- };
-
- function onIceConnectionStateChange(sid, session) {
- switch (session.peerconnection.iceConnectionState) {
- case 'checking':
- session.timeChecking = (new Date()).getTime();
- session.firstconnect = true;
- break;
- case 'completed': // on caller side
- case 'connected':
- if (session.firstconnect) {
- session.firstconnect = false;
- var metadata = {};
- metadata.setupTime
- = (new Date()).getTime() - session.timeChecking;
- session.peerconnection.getStats(function (res) {
- if(res && res.result) {
- res.result().forEach(function (report) {
- if (report.type == 'googCandidatePair' &&
- report.stat('googActiveConnection') == 'true') {
- metadata.localCandidateType
- = report.stat('googLocalCandidateType');
- metadata.remoteCandidateType
- = report.stat('googRemoteCandidateType');
-
- // log pair as well so we can get nice pie
- // charts
- metadata.candidatePair
- = report.stat('googLocalCandidateType') +
- ';' +
- report.stat('googRemoteCandidateType');
-
- if (report.stat('googRemoteAddress').indexOf('[') === 0)
- {
- metadata.ipv6 = true;
- }
- }
- });
- }
- });
- }
- break;
- }
- }
-
- JingleSession.prototype.accept = function () {
- var self = this;
- this.state = 'active';
-
- var pranswer = this.peerconnection.localDescription;
- if (!pranswer || pranswer.type != 'pranswer') {
- return;
- }
- console.log('going from pranswer to answer');
- if (this.usetrickle) {
- // remove candidates already sent from session-accept
- var lines = SDPUtil.find_lines(pranswer.sdp, 'a=candidate:');
- for (var i = 0; i < lines.length; i++) {
- pranswer.sdp = pranswer.sdp.replace(lines[i] + '\r\n', '');
- }
- }
- while (SDPUtil.find_line(pranswer.sdp, 'a=inactive')) {
- // FIXME: change any inactive to sendrecv or whatever they were originally
- pranswer.sdp = pranswer.sdp.replace('a=inactive', 'a=sendrecv');
- }
- pranswer = simulcast.reverseTransformLocalDescription(pranswer);
- var prsdp = new SDP(pranswer.sdp);
- var accept = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-accept',
- initiator: this.initiator,
- responder: this.responder,
- sid: this.sid });
- prsdp.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder', this.localStreamsSSRC);
- var sdp = this.peerconnection.localDescription.sdp;
- while (SDPUtil.find_line(sdp, 'a=inactive')) {
- // FIXME: change any inactive to sendrecv or whatever they were originally
- sdp = sdp.replace('a=inactive', 'a=sendrecv');
- }
- var self = this;
- this.peerconnection.setLocalDescription(new RTCSessionDescription({type: 'answer', sdp: sdp}),
- function () {
- //console.log('setLocalDescription success');
- self.setLocalDescription();
-
- self.connection.sendIQ(accept,
- function () {
- var ack = {};
- ack.source = 'answer';
- $(document).trigger('ack.jingle', [self.sid, ack]);
- },
- function (stanza) {
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName
- }:{};
- error.source = 'answer';
- JingleSession.onJingleError(self.sid, error);
- },
- 10000);
- },
- function (e) {
- console.error('setLocalDescription failed', e);
- }
- );
- };
-
- JingleSession.prototype.terminate = function (reason) {
- this.state = 'ended';
- this.reason = reason;
- this.peerconnection.close();
- if (this.statsinterval !== null) {
- window.clearInterval(this.statsinterval);
- this.statsinterval = null;
- }
- };
-
- JingleSession.prototype.active = function () {
- return this.state == 'active';
- };
-
- JingleSession.prototype.sendIceCandidate = function (candidate) {
- var self = this;
- if (candidate && !this.lasticecandidate) {
- var ice = SDPUtil.iceparams(this.localSDP.media[candidate.sdpMLineIndex], this.localSDP.session);
- var jcand = SDPUtil.candidateToJingle(candidate.candidate);
- if (!(ice && jcand)) {
- console.error('failed to get ice && jcand');
- return;
- }
- ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
-
- if (jcand.type === 'srflx') {
- this.hadstuncandidate = true;
- } else if (jcand.type === 'relay') {
- this.hadturncandidate = true;
- }
-
- if (this.usetrickle) {
- if (this.usedrip) {
- if (this.drip_container.length === 0) {
- // start 20ms callout
- window.setTimeout(function () {
- if (self.drip_container.length === 0) return;
- self.sendIceCandidates(self.drip_container);
- self.drip_container = [];
- }, 20);
-
- }
- this.drip_container.push(candidate);
- return;
- } else {
- self.sendIceCandidate([candidate]);
- }
- }
- } else {
- //console.log('sendIceCandidate: last candidate.');
- if (!this.usetrickle) {
- //console.log('should send full offer now...');
- var init = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: this.peerconnection.localDescription.type == 'offer' ? 'session-initiate' : 'session-accept',
- initiator: this.initiator,
- sid: this.sid});
- this.localSDP = new SDP(this.peerconnection.localDescription.sdp);
- var self = this;
- var sendJingle = function (ssrc) {
- if(!ssrc)
- ssrc = {};
- self.localSDP.toJingle(init, self.initiator == self.me ? 'initiator' : 'responder', ssrc);
- self.connection.sendIQ(init,
- function () {
- //console.log('session initiate ack');
- var ack = {};
- ack.source = 'offer';
- $(document).trigger('ack.jingle', [self.sid, ack]);
- },
- function (stanza) {
- self.state = 'error';
- self.peerconnection.close();
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName,
- }:{};
- error.source = 'offer';
- JingleSession.onJingleError(self.sid, error);
- },
- 10000);
- }
- sendJingle();
- }
- this.lasticecandidate = true;
- console.log('Have we encountered any srflx candidates? ' + this.hadstuncandidate);
- console.log('Have we encountered any relay candidates? ' + this.hadturncandidate);
-
- if (!(this.hadstuncandidate || this.hadturncandidate) && this.peerconnection.signalingState != 'closed') {
- $(document).trigger('nostuncandidates.jingle', [this.sid]);
- }
- }
- };
-
- JingleSession.prototype.sendIceCandidates = function (candidates) {
- console.log('sendIceCandidates', candidates);
- var cand = $iq({to: this.peerjid, type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'transport-info',
- initiator: this.initiator,
- sid: this.sid});
- for (var mid = 0; mid < this.localSDP.media.length; mid++) {
- var cands = candidates.filter(function (el) { return el.sdpMLineIndex == mid; });
- var mline = SDPUtil.parse_mline(this.localSDP.media[mid].split('\r\n')[0]);
- if (cands.length > 0) {
- var ice = SDPUtil.iceparams(this.localSDP.media[mid], this.localSDP.session);
- ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
- cand.c('content', {creator: this.initiator == this.me ? 'initiator' : 'responder',
- name: (cands[0].sdpMid? cands[0].sdpMid : mline.media)
- }).c('transport', ice);
- for (var i = 0; i < cands.length; i++) {
- cand.c('candidate', SDPUtil.candidateToJingle(cands[i].candidate)).up();
- }
- // add fingerprint
- if (SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session)) {
- var tmp = SDPUtil.parse_fingerprint(SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session));
- tmp.required = true;
- cand.c(
- 'fingerprint',
- {xmlns: 'urn:xmpp:jingle:apps:dtls:0'})
- .t(tmp.fingerprint);
- delete tmp.fingerprint;
- cand.attrs(tmp);
- cand.up();
- }
- cand.up(); // transport
- cand.up(); // content
- }
- }
- // might merge last-candidate notification into this, but it is called alot later. See webrtc issue #2340
- //console.log('was this the last candidate', this.lasticecandidate);
- this.connection.sendIQ(cand,
- function () {
- var ack = {};
- ack.source = 'transportinfo';
- $(document).trigger('ack.jingle', [this.sid, ack]);
- },
- function (stanza) {
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName,
- }:{};
- error.source = 'transportinfo';
- JingleSession.onJingleError(this.sid, error);
- },
- 10000);
- };
-
-
- JingleSession.prototype.sendOffer = function () {
- //console.log('sendOffer...');
- var self = this;
- this.peerconnection.createOffer(function (sdp) {
- self.createdOffer(sdp);
- },
- function (e) {
- console.error('createOffer failed', e);
- },
- this.media_constraints
- );
- };
-
- JingleSession.prototype.createdOffer = function (sdp) {
- //console.log('createdOffer', sdp);
- var self = this;
- this.localSDP = new SDP(sdp.sdp);
- //this.localSDP.mangle();
- var sendJingle = function () {
- var init = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-initiate',
- initiator: this.initiator,
- sid: this.sid});
- self.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder', this.localStreamsSSRC);
- self.connection.sendIQ(init,
- function () {
- var ack = {};
- ack.source = 'offer';
- $(document).trigger('ack.jingle', [self.sid, ack]);
- },
- function (stanza) {
- self.state = 'error';
- self.peerconnection.close();
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName,
- }:{};
- error.source = 'offer';
- JingleSession.onJingleError(self.sid, error);
- },
- 10000);
- }
- sdp.sdp = this.localSDP.raw;
- this.peerconnection.setLocalDescription(sdp,
- function () {
- if(self.usetrickle)
- {
- sendJingle();
- }
- self.setLocalDescription();
- //console.log('setLocalDescription success');
- },
- function (e) {
- console.error('setLocalDescription failed', e);
- }
- );
- var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
- for (var i = 0; i < cands.length; i++) {
- var cand = SDPUtil.parse_icecandidate(cands[i]);
- if (cand.type == 'srflx') {
- this.hadstuncandidate = true;
- } else if (cand.type == 'relay') {
- this.hadturncandidate = true;
- }
- }
- };
-
- JingleSession.prototype.setRemoteDescription = function (elem, desctype) {
- //console.log('setting remote description... ', desctype);
- this.remoteSDP = new SDP('');
- this.remoteSDP.fromJingle(elem);
- if (this.peerconnection.remoteDescription !== null) {
- console.log('setRemoteDescription when remote description is not null, should be pranswer', this.peerconnection.remoteDescription);
- if (this.peerconnection.remoteDescription.type == 'pranswer') {
- var pranswer = new SDP(this.peerconnection.remoteDescription.sdp);
- for (var i = 0; i < pranswer.media.length; i++) {
- // make sure we have ice ufrag and pwd
- if (!SDPUtil.find_line(this.remoteSDP.media[i], 'a=ice-ufrag:', this.remoteSDP.session)) {
- if (SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session)) {
- this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session) + '\r\n';
- } else {
- console.warn('no ice ufrag?');
- }
- if (SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session)) {
- this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session) + '\r\n';
- } else {
- console.warn('no ice pwd?');
- }
- }
- // copy over candidates
- var lines = SDPUtil.find_lines(pranswer.media[i], 'a=candidate:');
- for (var j = 0; j < lines.length; j++) {
- this.remoteSDP.media[i] += lines[j] + '\r\n';
- }
- }
- this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
- }
- }
- var remotedesc = new RTCSessionDescription({type: desctype, sdp: this.remoteSDP.raw});
-
- this.peerconnection.setRemoteDescription(remotedesc,
- function () {
- //console.log('setRemoteDescription success');
- },
- function (e) {
- console.error('setRemoteDescription error', e);
- JingleSession.onJingleFatalError(self, e);
- }
- );
- };
-
- JingleSession.prototype.addIceCandidate = function (elem) {
- var self = this;
- if (this.peerconnection.signalingState == 'closed') {
- return;
- }
- if (!this.peerconnection.remoteDescription && this.peerconnection.signalingState == 'have-local-offer') {
- console.log('trickle ice candidate arriving before session accept...');
- // create a PRANSWER for setRemoteDescription
- if (!this.remoteSDP) {
- var cobbled = 'v=0\r\n' +
- 'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
- 's=-\r\n' +
- 't=0 0\r\n';
- // first, take some things from the local description
- for (var i = 0; i < this.localSDP.media.length; i++) {
- cobbled += SDPUtil.find_line(this.localSDP.media[i], 'm=') + '\r\n';
- cobbled += SDPUtil.find_lines(this.localSDP.media[i], 'a=rtpmap:').join('\r\n') + '\r\n';
- if (SDPUtil.find_line(this.localSDP.media[i], 'a=mid:')) {
- cobbled += SDPUtil.find_line(this.localSDP.media[i], 'a=mid:') + '\r\n';
- }
- cobbled += 'a=inactive\r\n';
- }
- this.remoteSDP = new SDP(cobbled);
- }
- // then add things like ice and dtls from remote candidate
- elem.each(function () {
- for (var i = 0; i < self.remoteSDP.media.length; i++) {
- if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
- self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
- if (!SDPUtil.find_line(self.remoteSDP.media[i], 'a=ice-ufrag:')) {
- var tmp = $(this).find('transport');
- self.remoteSDP.media[i] += 'a=ice-ufrag:' + tmp.attr('ufrag') + '\r\n';
- self.remoteSDP.media[i] += 'a=ice-pwd:' + tmp.attr('pwd') + '\r\n';
- tmp = $(this).find('transport>fingerprint');
- if (tmp.length) {
- self.remoteSDP.media[i] += 'a=fingerprint:' + tmp.attr('hash') + ' ' + tmp.text() + '\r\n';
- } else {
- console.log('no dtls fingerprint (webrtc issue #1718?)');
- self.remoteSDP.media[i] += 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:BAADBAADBAADBAADBAADBAADBAADBAADBAADBAAD\r\n';
- }
- break;
- }
- }
- }
- });
- this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
-
- // we need a complete SDP with ice-ufrag/ice-pwd in all parts
- // this makes the assumption that the PRANSWER is constructed such that the ice-ufrag is in all mediaparts
- // but it could be in the session part as well. since the code above constructs this sdp this can't happen however
- var iscomplete = this.remoteSDP.media.filter(function (mediapart) {
- return SDPUtil.find_line(mediapart, 'a=ice-ufrag:');
- }).length == this.remoteSDP.media.length;
-
- if (iscomplete) {
- console.log('setting pranswer');
- try {
- this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'pranswer', sdp: this.remoteSDP.raw }),
- function() {
- },
- function(e) {
- console.log('setRemoteDescription pranswer failed', e.toString());
- });
- } catch (e) {
- console.error('setting pranswer failed', e);
- }
- } else {
- //console.log('not yet setting pranswer');
- }
- }
- // operate on each content element
- elem.each(function () {
- // would love to deactivate this, but firefox still requires it
- var idx = -1;
- var i;
- for (i = 0; i < self.remoteSDP.media.length; i++) {
- if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
- self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
- idx = i;
- break;
- }
- }
- if (idx == -1) { // fall back to localdescription
- for (i = 0; i < self.localSDP.media.length; i++) {
- if (SDPUtil.find_line(self.localSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
- self.localSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
- idx = i;
- break;
- }
- }
- }
- var name = $(this).attr('name');
- // TODO: check ice-pwd and ice-ufrag?
- $(this).find('transport>candidate').each(function () {
- var line, candidate;
- line = SDPUtil.candidateFromJingle(this);
- candidate = new RTCIceCandidate({sdpMLineIndex: idx,
- sdpMid: name,
- candidate: line});
- try {
- self.peerconnection.addIceCandidate(candidate);
- } catch (e) {
- console.error('addIceCandidate failed', e.toString(), line);
- }
- });
- });
- };
-
- JingleSession.prototype.sendAnswer = function (provisional) {
- //console.log('createAnswer', provisional);
- var self = this;
- this.peerconnection.createAnswer(
- function (sdp) {
- self.createdAnswer(sdp, provisional);
- },
- function (e) {
- console.error('createAnswer failed', e);
- },
- this.media_constraints
- );
- };
-
- JingleSession.prototype.createdAnswer = function (sdp, provisional) {
- //console.log('createAnswer callback');
- var self = this;
- this.localSDP = new SDP(sdp.sdp);
- //this.localSDP.mangle();
- this.usepranswer = provisional === true;
- if (this.usetrickle) {
- if (this.usepranswer) {
- sdp.type = 'pranswer';
- for (var i = 0; i < this.localSDP.media.length; i++) {
- this.localSDP.media[i] = this.localSDP.media[i].replace('a=sendrecv\r\n', 'a=inactive\r\n');
- }
- this.localSDP.raw = this.localSDP.session + '\r\n' + this.localSDP.media.join('');
- }
- }
- var self = this;
- var sendJingle = function (ssrcs) {
-
- var accept = $iq({to: self.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-accept',
- initiator: self.initiator,
- responder: self.responder,
- sid: self.sid });
- var publicLocalDesc = simulcast.reverseTransformLocalDescription(sdp);
- var publicLocalSDP = new SDP(publicLocalDesc.sdp);
- publicLocalSDP.toJingle(accept, self.initiator == self.me ? 'initiator' : 'responder', ssrcs);
- self.connection.sendIQ(accept,
- function () {
- var ack = {};
- ack.source = 'answer';
- $(document).trigger('ack.jingle', [self.sid, ack]);
- },
- function (stanza) {
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName,
- }:{};
- error.source = 'answer';
- JingleSession.onJingleError(self.sid, error);
- },
- 10000);
- }
- sdp.sdp = this.localSDP.raw;
- this.peerconnection.setLocalDescription(sdp,
- function () {
-
- //console.log('setLocalDescription success');
- if (self.usetrickle && !self.usepranswer) {
- sendJingle();
- }
- self.setLocalDescription();
- },
- function (e) {
- console.error('setLocalDescription failed', e);
- }
- );
- var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
- for (var j = 0; j < cands.length; j++) {
- var cand = SDPUtil.parse_icecandidate(cands[j]);
- if (cand.type == 'srflx') {
- this.hadstuncandidate = true;
- } else if (cand.type == 'relay') {
- this.hadturncandidate = true;
- }
- }
- };
-
- JingleSession.prototype.sendTerminate = function (reason, text) {
- var self = this,
- term = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-terminate',
- initiator: this.initiator,
- sid: this.sid})
- .c('reason')
- .c(reason || 'success');
-
- if (text) {
- term.up().c('text').t(text);
- }
-
- this.connection.sendIQ(term,
- function () {
- self.peerconnection.close();
- self.peerconnection = null;
- self.terminate();
- var ack = {};
- ack.source = 'terminate';
- $(document).trigger('ack.jingle', [self.sid, ack]);
- },
- function (stanza) {
- var error = ($(stanza).find('error').length) ? {
- code: $(stanza).find('error').attr('code'),
- reason: $(stanza).find('error :first')[0].tagName,
- }:{};
- $(document).trigger('ack.jingle', [self.sid, error]);
- },
- 10000);
- if (this.statsinterval !== null) {
- window.clearInterval(this.statsinterval);
- this.statsinterval = null;
- }
- };
-
- JingleSession.prototype.addSource = function (elem, fromJid) {
-
- var self = this;
- // FIXME: dirty waiting
- if (!this.peerconnection.localDescription)
- {
- console.warn("addSource - localDescription not ready yet")
- setTimeout(function()
- {
- self.addSource(elem, fromJid);
- },
- 200
- );
- return;
- }
-
- console.log('addssrc', new Date().getTime());
- console.log('ice', this.peerconnection.iceConnectionState);
- var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
- var mySdp = new SDP(this.peerconnection.localDescription.sdp);
-
- $(elem).each(function (idx, content) {
- var name = $(content).attr('name');
- var lines = '';
- tmp = $(content).find('ssrc-group[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]').each(function() {
- var semantics = this.getAttribute('semantics');
- var ssrcs = $(this).find('>source').map(function () {
- return this.getAttribute('ssrc');
- }).get();
-
- if (ssrcs.length != 0) {
- lines += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\r\n';
- }
- });
- tmp = $(content).find('source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]'); // can handle both >source and >description>source
- tmp.each(function () {
- var ssrc = $(this).attr('ssrc');
- if(mySdp.containsSSRC(ssrc)){
- /**
- * This happens when multiple participants change their streams at the same time and
- * ColibriFocus.modifySources have to wait for stable state. In the meantime multiple
- * addssrc are scheduled for update IQ. See
- */
- console.warn("Got add stream request for my own ssrc: "+ssrc);
- return;
- }
- $(this).find('>parameter').each(function () {
- lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');
- if ($(this).attr('value') && $(this).attr('value').length)
- lines += ':' + $(this).attr('value');
- lines += '\r\n';
- });
- });
- sdp.media.forEach(function(media, idx) {
- if (!SDPUtil.find_line(media, 'a=mid:' + name))
- return;
- sdp.media[idx] += lines;
- if (!self.addssrc[idx]) self.addssrc[idx] = '';
- self.addssrc[idx] += lines;
- });
- sdp.raw = sdp.session + sdp.media.join('');
- });
- this.modifySources();
- };
-
- JingleSession.prototype.removeSource = function (elem, fromJid) {
-
- var self = this;
- // FIXME: dirty waiting
- if (!this.peerconnection.localDescription)
- {
- console.warn("removeSource - localDescription not ready yet")
- setTimeout(function()
- {
- self.removeSource(elem, fromJid);
- },
- 200
- );
- return;
- }
-
- console.log('removessrc', new Date().getTime());
- console.log('ice', this.peerconnection.iceConnectionState);
- var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
- var mySdp = new SDP(this.peerconnection.localDescription.sdp);
-
- $(elem).each(function (idx, content) {
- var name = $(content).attr('name');
- var lines = '';
- tmp = $(content).find('ssrc-group[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]').each(function() {
- var semantics = this.getAttribute('semantics');
- var ssrcs = $(this).find('>source').map(function () {
- return this.getAttribute('ssrc');
- }).get();
-
- if (ssrcs.length != 0) {
- lines += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\r\n';
- }
- });
- tmp = $(content).find('source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]'); // can handle both >source and >description>source
- tmp.each(function () {
- var ssrc = $(this).attr('ssrc');
- // This should never happen, but can be useful for bug detection
- if(mySdp.containsSSRC(ssrc)){
- console.error("Got remove stream request for my own ssrc: "+ssrc);
- return;
- }
- $(this).find('>parameter').each(function () {
- lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');
- if ($(this).attr('value') && $(this).attr('value').length)
- lines += ':' + $(this).attr('value');
- lines += '\r\n';
- });
- });
- sdp.media.forEach(function(media, idx) {
- if (!SDPUtil.find_line(media, 'a=mid:' + name))
- return;
- sdp.media[idx] += lines;
- if (!self.removessrc[idx]) self.removessrc[idx] = '';
- self.removessrc[idx] += lines;
- });
- sdp.raw = sdp.session + sdp.media.join('');
- });
- this.modifySources();
- };
-
- JingleSession.prototype.modifySources = function (successCallback) {
- var self = this;
- if (this.peerconnection.signalingState == 'closed') return;
- if (!(this.addssrc.length || this.removessrc.length || this.pendingop !== null || this.switchstreams)){
- // There is nothing to do since scheduled job might have been executed by another succeeding call
- this.setLocalDescription();
- if(successCallback){
- successCallback();
- }
- return;
- }
-
- // FIXME: this is a big hack
- // https://code.google.com/p/webrtc/issues/detail?id=2688
- // ^ has been fixed.
- if (!(this.peerconnection.signalingState == 'stable' && this.peerconnection.iceConnectionState == 'connected')) {
- console.warn('modifySources not yet', this.peerconnection.signalingState, this.peerconnection.iceConnectionState);
- this.wait = true;
- window.setTimeout(function() { self.modifySources(successCallback); }, 250);
- return;
- }
- if (this.wait) {
- window.setTimeout(function() { self.modifySources(successCallback); }, 2500);
- this.wait = false;
- return;
- }
-
- // Reset switch streams flag
- this.switchstreams = false;
-
- var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
-
- // add sources
- this.addssrc.forEach(function(lines, idx) {
- sdp.media[idx] += lines;
- });
- this.addssrc = [];
-
- // remove sources
- this.removessrc.forEach(function(lines, idx) {
- lines = lines.split('\r\n');
- lines.pop(); // remove empty last element;
- lines.forEach(function(line) {
- sdp.media[idx] = sdp.media[idx].replace(line + '\r\n', '');
- });
- });
- this.removessrc = [];
-
- // FIXME:
- // this was a hack for the situation when only one peer exists
- // in the conference.
- // check if still required and remove
- if (sdp.media[0])
- sdp.media[0] = sdp.media[0].replace('a=recvonly', 'a=sendrecv');
- if (sdp.media[1])
- sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
-
- sdp.raw = sdp.session + sdp.media.join('');
- this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'offer', sdp: sdp.raw}),
- function() {
-
- if(self.signalingState == 'closed') {
- console.error("createAnswer attempt on closed state");
- return;
- }
-
- self.peerconnection.createAnswer(
- function(modifiedAnswer) {
- // change video direction, see https://github.com/jitsi/jitmeet/issues/41
- if (self.pendingop !== null) {
- var sdp = new SDP(modifiedAnswer.sdp);
- if (sdp.media.length > 1) {
- switch(self.pendingop) {
- case 'mute':
- sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
- break;
- case 'unmute':
- sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
- break;
- }
- sdp.raw = sdp.session + sdp.media.join('');
- modifiedAnswer.sdp = sdp.raw;
- }
- self.pendingop = null;
- }
-
- // FIXME: pushing down an answer while ice connection state
- // is still checking is bad...
- //console.log(self.peerconnection.iceConnectionState);
-
- // trying to work around another chrome bug
- //modifiedAnswer.sdp = modifiedAnswer.sdp.replace(/a=setup:active/g, 'a=setup:actpass');
- self.peerconnection.setLocalDescription(modifiedAnswer,
- function() {
- //console.log('modified setLocalDescription ok');
- self.setLocalDescription();
- if(successCallback){
- successCallback();
- }
- },
- function(error) {
- console.error('modified setLocalDescription failed', error);
- }
- );
- },
- function(error) {
- console.error('modified answer failed', error);
- }
- );
- },
- function(error) {
- console.error('modify failed', error);
- }
- );
- };
-
- /**
- * Switches video streams.
- * @param new_stream new stream that will be used as video of this session.
- * @param oldStream old video stream of this session.
- * @param success_callback callback executed after successful stream switch.
- */
- JingleSession.prototype.switchStreams = function (new_stream, oldStream, success_callback) {
-
- var self = this;
-
- // Remember SDP to figure out added/removed SSRCs
- var oldSdp = null;
- if(self.peerconnection) {
- if(self.peerconnection.localDescription) {
- oldSdp = new SDP(self.peerconnection.localDescription.sdp);
- }
- self.peerconnection.removeStream(oldStream, true);
- self.peerconnection.addStream(new_stream);
- }
-
- RTC.switchVideoStreams(new_stream, oldStream);
-
- // Conference is not active
- if(!oldSdp || !self.peerconnection) {
- success_callback();
- return;
- }
-
- self.switchstreams = true;
- self.modifySources(function() {
- console.log('modify sources done');
-
- success_callback();
-
- var newSdp = new SDP(self.peerconnection.localDescription.sdp);
- console.log("SDPs", oldSdp, newSdp);
- self.notifyMySSRCUpdate(oldSdp, newSdp);
- });
- };
-
- /**
- * Figures out added/removed ssrcs and send update IQs.
- * @param old_sdp SDP object for old description.
- * @param new_sdp SDP object for new description.
- */
- JingleSession.prototype.notifyMySSRCUpdate = function (old_sdp, new_sdp) {
-
- if (!(this.peerconnection.signalingState == 'stable' &&
- this.peerconnection.iceConnectionState == 'connected')){
- console.log("Too early to send updates");
- return;
- }
-
- // send source-remove IQ.
- sdpDiffer = new SDPDiffer(new_sdp, old_sdp);
- var remove = $iq({to: this.peerjid, type: 'set'})
- .c('jingle', {
- xmlns: 'urn:xmpp:jingle:1',
- action: 'source-remove',
- initiator: this.initiator,
- sid: this.sid
- }
- );
- var removed = sdpDiffer.toJingle(remove);
- if (removed) {
- this.connection.sendIQ(remove,
- function (res) {
- console.info('got remove result', res);
- },
- function (err) {
- console.error('got remove error', err);
- }
- );
- } else {
- console.log('removal not necessary');
- }
-
- // send source-add IQ.
- var sdpDiffer = new SDPDiffer(old_sdp, new_sdp);
- var add = $iq({to: this.peerjid, type: 'set'})
- .c('jingle', {
- xmlns: 'urn:xmpp:jingle:1',
- action: 'source-add',
- initiator: this.initiator,
- sid: this.sid
- }
- );
- var added = sdpDiffer.toJingle(add);
- if (added) {
- this.connection.sendIQ(add,
- function (res) {
- console.info('got add result', res);
- },
- function (err) {
- console.error('got add error', err);
- }
- );
- } else {
- console.log('addition not necessary');
- }
- };
-
- /**
- * Determines whether the (local) video is mute i.e. all video tracks are
- * disabled.
- *
- * @return <tt>true</tt> if the (local) video is mute i.e. all video tracks are
- * disabled; otherwise, <tt>false</tt>
- */
- JingleSession.prototype.isVideoMute = function () {
- var tracks = RTC.localVideo.getVideoTracks();
- var mute = true;
-
- for (var i = 0; i < tracks.length; ++i) {
- if (tracks[i].enabled) {
- mute = false;
- break;
- }
- }
- return mute;
- };
-
- /**
- * Mutes/unmutes the (local) video i.e. enables/disables all video tracks.
- *
- * @param mute <tt>true</tt> to mute the (local) video i.e. to disable all video
- * tracks; otherwise, <tt>false</tt>
- * @param callback a function to be invoked with <tt>mute</tt> after all video
- * tracks have been enabled/disabled. The function may, optionally, return
- * another function which is to be invoked after the whole mute/unmute operation
- * has completed successfully.
- * @param options an object which specifies optional arguments such as the
- * <tt>boolean</tt> key <tt>byUser</tt> with default value <tt>true</tt> which
- * specifies whether the method was initiated in response to a user command (in
- * contrast to an automatic decision made by the application logic)
- */
- JingleSession.prototype.setVideoMute = function (mute, callback, options) {
- var byUser;
-
- if (options) {
- byUser = options.byUser;
- if (typeof byUser === 'undefined') {
- byUser = true;
- }
- } else {
- byUser = true;
- }
- // The user's command to mute the (local) video takes precedence over any
- // automatic decision made by the application logic.
- if (byUser) {
- this.videoMuteByUser = mute;
- } else if (this.videoMuteByUser) {
- return;
- }
-
- var self = this;
- var localCallback = function (mute) {
- self.connection.emuc.addVideoInfoToPresence(mute);
- self.connection.emuc.sendPresence();
- return callback(mute)
- };
-
- if (mute == RTC.localVideo.isMuted())
- {
- // Even if no change occurs, the specified callback is to be executed.
- // The specified callback may, optionally, return a successCallback
- // which is to be executed as well.
- var successCallback = localCallback(mute);
-
- if (successCallback) {
- successCallback();
- }
- } else {
- RTC.localVideo.setMute(!mute);
-
- this.hardMuteVideo(mute);
-
- this.modifySources(localCallback(mute));
- }
- };
-
- // SDP-based mute by going recvonly/sendrecv
- // FIXME: should probably black out the screen as well
- JingleSession.prototype.toggleVideoMute = function (callback) {
- this.service.setVideoMute(RTC.localVideo.isMuted(), callback);
- };
-
- JingleSession.prototype.hardMuteVideo = function (muted) {
- this.pendingop = muted ? 'mute' : 'unmute';
- };
-
- JingleSession.prototype.sendMute = function (muted, content) {
- var info = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-info',
- initiator: this.initiator,
- sid: this.sid });
- info.c(muted ? 'mute' : 'unmute', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
- info.attrs({'creator': this.me == this.initiator ? 'creator' : 'responder'});
- if (content) {
- info.attrs({'name': content});
- }
- this.connection.send(info);
- };
-
- JingleSession.prototype.sendRinging = function () {
- var info = $iq({to: this.peerjid,
- type: 'set'})
- .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
- action: 'session-info',
- initiator: this.initiator,
- sid: this.sid });
- info.c('ringing', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
- this.connection.send(info);
- };
-
- JingleSession.prototype.getStats = function (interval) {
- var self = this;
- var recv = {audio: 0, video: 0};
- var lost = {audio: 0, video: 0};
- var lastrecv = {audio: 0, video: 0};
- var lastlost = {audio: 0, video: 0};
- var loss = {audio: 0, video: 0};
- var delta = {audio: 0, video: 0};
- this.statsinterval = window.setInterval(function () {
- if (self && self.peerconnection && self.peerconnection.getStats) {
- self.peerconnection.getStats(function (stats) {
- var results = stats.result();
- // TODO: there are so much statistics you can get from this..
- for (var i = 0; i < results.length; ++i) {
- if (results[i].type == 'ssrc') {
- var packetsrecv = results[i].stat('packetsReceived');
- var packetslost = results[i].stat('packetsLost');
- if (packetsrecv && packetslost) {
- packetsrecv = parseInt(packetsrecv, 10);
- packetslost = parseInt(packetslost, 10);
-
- if (results[i].stat('googFrameRateReceived')) {
- lastlost.video = lost.video;
- lastrecv.video = recv.video;
- recv.video = packetsrecv;
- lost.video = packetslost;
- } else {
- lastlost.audio = lost.audio;
- lastrecv.audio = recv.audio;
- recv.audio = packetsrecv;
- lost.audio = packetslost;
- }
- }
- }
- }
- delta.audio = recv.audio - lastrecv.audio;
- delta.video = recv.video - lastrecv.video;
- loss.audio = (delta.audio > 0) ? Math.ceil(100 * (lost.audio - lastlost.audio) / delta.audio) : 0;
- loss.video = (delta.video > 0) ? Math.ceil(100 * (lost.video - lastlost.video) / delta.video) : 0;
- $(document).trigger('packetloss.jingle', [self.sid, loss]);
- });
- }
- }, interval || 3000);
- return this.statsinterval;
- };
-
- JingleSession.onJingleError = function (session, error)
- {
- console.error("Jingle error", error);
- }
-
- JingleSession.onJingleFatalError = function (session, error)
- {
- this.service.sessionTerminated = true;
- connection.emuc.doLeave();
- UI.messageHandler.showError( "Sorry",
- "Internal application error[setRemoteDescription]");
- }
-
- JingleSession.prototype.setLocalDescription = function () {
- // put our ssrcs into presence so other clients can identify our stream
- var newssrcs = [];
- var media = simulcast.parseMedia(this.peerconnection.localDescription);
- media.forEach(function (media) {
-
- if(Object.keys(media.sources).length > 0) {
- // TODO(gp) maybe exclude FID streams?
- Object.keys(media.sources).forEach(function (ssrc) {
- newssrcs.push({
- 'ssrc': ssrc,
- 'type': media.type,
- 'direction': media.direction
- });
- });
- }
- else if(this.localStreamsSSRC && this.localStreamsSSRC[media.type])
- {
- newssrcs.push({
- 'ssrc': this.localStreamsSSRC[media.type],
- 'type': media.type,
- 'direction': media.direction
- });
- }
-
- });
-
- console.log('new ssrcs', newssrcs);
-
- // Have to clear presence map to get rid of removed streams
- this.connection.emuc.clearPresenceMedia();
-
- if (newssrcs.length > 0) {
- for (var i = 1; i <= newssrcs.length; i ++) {
- // Change video type to screen
- if (newssrcs[i-1].type === 'video' && desktopsharing.isUsingScreenStream()) {
- newssrcs[i-1].type = 'screen';
- }
- this.connection.emuc.addMediaToPresence(i,
- newssrcs[i-1].type, newssrcs[i-1].ssrc, newssrcs[i-1].direction);
- }
-
- this.connection.emuc.sendPresence();
- }
- }
-
- // an attempt to work around https://github.com/jitsi/jitmeet/issues/32
- function sendKeyframe(pc) {
- console.log('sendkeyframe', pc.iceConnectionState);
- if (pc.iceConnectionState !== 'connected') return; // safe...
- pc.setRemoteDescription(
- pc.remoteDescription,
- function () {
- pc.createAnswer(
- function (modifiedAnswer) {
- pc.setLocalDescription(
- modifiedAnswer,
- function () {
- // noop
- },
- function (error) {
- console.log('triggerKeyframe setLocalDescription failed', error);
- UI.messageHandler.showError();
- }
- );
- },
- function (error) {
- console.log('triggerKeyframe createAnswer failed', error);
- UI.messageHandler.showError();
- }
- );
- },
- function (error) {
- console.log('triggerKeyframe setRemoteDescription failed', error);
- UI.messageHandler.showError();
- }
- );
- }
-
-
- JingleSession.prototype.remoteStreamAdded = function (data) {
- var self = this;
- var thessrc;
-
- // look up an associated JID for a stream id
- if (data.stream.id && data.stream.id.indexOf('mixedmslabel') === -1) {
- // look only at a=ssrc: and _not_ at a=ssrc-group: lines
-
- var ssrclines
- = SDPUtil.find_lines(this.peerconnection.remoteDescription.sdp, 'a=ssrc:');
- ssrclines = ssrclines.filter(function (line) {
- // NOTE(gp) previously we filtered on the mslabel, but that property
- // is not always present.
- // return line.indexOf('mslabel:' + data.stream.label) !== -1;
-
- return ((line.indexOf('msid:' + data.stream.id) !== -1));
- });
- if (ssrclines.length) {
- thessrc = ssrclines[0].substring(7).split(' ')[0];
-
- // We signal our streams (through Jingle to the focus) before we set
- // our presence (through which peers associate remote streams to
- // jids). So, it might arrive that a remote stream is added but
- // ssrc2jid is not yet updated and thus data.peerjid cannot be
- // successfully set. Here we wait for up to a second for the
- // presence to arrive.
-
- if (!ssrc2jid[thessrc]) {
- // TODO(gp) limit wait duration to 1 sec.
- setTimeout(function(d) {
- return function() {
- self.remoteStreamAdded(d);
- }
- }(data), 250);
- return;
- }
-
- // ok to overwrite the one from focus? might save work in colibri.js
- console.log('associated jid', ssrc2jid[thessrc], data.peerjid);
- if (ssrc2jid[thessrc]) {
- data.peerjid = ssrc2jid[thessrc];
- }
- }
- }
-
- //TODO: this code should be removed when firefox implement multistream support
- if(RTC.getBrowserType() == RTCBrowserType.RTC_BROWSER_FIREFOX)
- {
- if((notReceivedSSRCs.length == 0) ||
- !ssrc2jid[notReceivedSSRCs[notReceivedSSRCs.length - 1]])
- {
- // TODO(gp) limit wait duration to 1 sec.
- setTimeout(function(d) {
- return function() {
- self.remoteStreamAdded(d);
- }
- }(data), 250);
- return;
- }
-
- thessrc = notReceivedSSRCs.pop();
- if (ssrc2jid[thessrc]) {
- data.peerjid = ssrc2jid[thessrc];
- }
- }
-
- RTC.createRemoteStream(data, this.sid, thessrc);
-
- var isVideo = data.stream.getVideoTracks().length > 0;
- // an attempt to work around https://github.com/jitsi/jitmeet/issues/32
- if (isVideo &&
- data.peerjid && this.peerjid === data.peerjid &&
- data.stream.getVideoTracks().length === 0 &&
- RTC.localVideo.getTracks().length > 0) {
- window.setTimeout(function () {
- sendKeyframe(self.peerconnection);
- }, 3000);
- }
- }
-
- module.exports = JingleSession;
- },{"./SDP":2,"./SDPDiffer":3,"./SDPUtil":4,"./TraceablePeerConnection":5}],2:[function(require,module,exports){
- /* jshint -W117 */
- var SDPUtil = require("./SDPUtil");
-
- // SDP STUFF
- function SDP(sdp) {
- this.media = sdp.split('\r\nm=');
- for (var i = 1; i < this.media.length; i++) {
- this.media[i] = 'm=' + this.media[i];
- if (i != this.media.length - 1) {
- this.media[i] += '\r\n';
- }
- }
- this.session = this.media.shift() + '\r\n';
- this.raw = this.session + this.media.join('');
- }
- /**
- * Returns map of MediaChannel mapped per channel idx.
- */
- SDP.prototype.getMediaSsrcMap = function() {
- var self = this;
- var media_ssrcs = {};
- var tmp;
- for (var mediaindex = 0; mediaindex < self.media.length; mediaindex++) {
- tmp = SDPUtil.find_lines(self.media[mediaindex], 'a=ssrc:');
- var mid = SDPUtil.parse_mid(SDPUtil.find_line(self.media[mediaindex], 'a=mid:'));
- var media = {
- mediaindex: mediaindex,
- mid: mid,
- ssrcs: {},
- ssrcGroups: []
- };
- media_ssrcs[mediaindex] = media;
- tmp.forEach(function (line) {
- var linessrc = line.substring(7).split(' ')[0];
- // allocate new ChannelSsrc
- if(!media.ssrcs[linessrc]) {
- media.ssrcs[linessrc] = {
- ssrc: linessrc,
- lines: []
- };
- }
- media.ssrcs[linessrc].lines.push(line);
- });
- tmp = SDPUtil.find_lines(self.media[mediaindex], 'a=ssrc-group:');
- tmp.forEach(function(line){
- var semantics = line.substr(0, idx).substr(13);
- var ssrcs = line.substr(14 + semantics.length).split(' ');
- if (ssrcs.length != 0) {
- media.ssrcGroups.push({
- semantics: semantics,
- ssrcs: ssrcs
- });
- }
- });
- }
- return media_ssrcs;
- };
- /**
- * Returns <tt>true</tt> if this SDP contains given SSRC.
- * @param ssrc the ssrc to check.
- * @returns {boolean} <tt>true</tt> if this SDP contains given SSRC.
- */
- SDP.prototype.containsSSRC = function(ssrc) {
- var medias = this.getMediaSsrcMap();
- var contains = false;
- Object.keys(medias).forEach(function(mediaindex){
- var media = medias[mediaindex];
- //console.log("Check", channel, ssrc);
- if(Object.keys(media.ssrcs).indexOf(ssrc) != -1){
- contains = true;
- }
- });
- return contains;
- };
-
-
- // remove iSAC and CN from SDP
- SDP.prototype.mangle = function () {
- var i, j, mline, lines, rtpmap, newdesc;
- for (i = 0; i < this.media.length; i++) {
- lines = this.media[i].split('\r\n');
- lines.pop(); // remove empty last element
- mline = SDPUtil.parse_mline(lines.shift());
- if (mline.media != 'audio')
- continue;
- newdesc = '';
- mline.fmt.length = 0;
- for (j = 0; j < lines.length; j++) {
- if (lines[j].substr(0, 9) == 'a=rtpmap:') {
- rtpmap = SDPUtil.parse_rtpmap(lines[j]);
- if (rtpmap.name == 'CN' || rtpmap.name == 'ISAC')
- continue;
- mline.fmt.push(rtpmap.id);
- newdesc += lines[j] + '\r\n';
- } else {
- newdesc += lines[j] + '\r\n';
- }
- }
- this.media[i] = SDPUtil.build_mline(mline) + '\r\n';
- this.media[i] += newdesc;
- }
- this.raw = this.session + this.media.join('');
- };
-
- // remove lines matching prefix from session section
- SDP.prototype.removeSessionLines = function(prefix) {
- var self = this;
- var lines = SDPUtil.find_lines(this.session, prefix);
- lines.forEach(function(line) {
- self.session = self.session.replace(line + '\r\n', '');
- });
- this.raw = this.session + this.media.join('');
- return lines;
- }
- // remove lines matching prefix from a media section specified by mediaindex
- // TODO: non-numeric mediaindex could match mid
- SDP.prototype.removeMediaLines = function(mediaindex, prefix) {
- var self = this;
- var lines = SDPUtil.find_lines(this.media[mediaindex], prefix);
- lines.forEach(function(line) {
- self.media[mediaindex] = self.media[mediaindex].replace(line + '\r\n', '');
- });
- this.raw = this.session + this.media.join('');
- return lines;
- }
-
- // add content's to a jingle element
- SDP.prototype.toJingle = function (elem, thecreator, ssrcs) {
- // console.log("SSRC" + ssrcs["audio"] + " - " + ssrcs["video"]);
- var i, j, k, mline, ssrc, rtpmap, tmp, line, lines;
- var self = this;
- // new bundle plan
- if (SDPUtil.find_line(this.session, 'a=group:')) {
- lines = SDPUtil.find_lines(this.session, 'a=group:');
- for (i = 0; i < lines.length; i++) {
- tmp = lines[i].split(' ');
- var semantics = tmp.shift().substr(8);
- elem.c('group', {xmlns: 'urn:xmpp:jingle:apps:grouping:0', semantics:semantics});
- for (j = 0; j < tmp.length; j++) {
- elem.c('content', {name: tmp[j]}).up();
- }
- elem.up();
- }
- }
- for (i = 0; i < this.media.length; i++) {
- mline = SDPUtil.parse_mline(this.media[i].split('\r\n')[0]);
- if (!(mline.media === 'audio' ||
- mline.media === 'video' ||
- mline.media === 'application'))
- {
- continue;
- }
- if (SDPUtil.find_line(this.media[i], 'a=ssrc:')) {
- ssrc = SDPUtil.find_line(this.media[i], 'a=ssrc:').substring(7).split(' ')[0]; // take the first
- } else {
- if(ssrcs && ssrcs[mline.media])
- {
- ssrc = ssrcs[mline.media];
- }
- else
- ssrc = false;
- }
-
- elem.c('content', {creator: thecreator, name: mline.media});
- if (SDPUtil.find_line(this.media[i], 'a=mid:')) {
- // prefer identifier from a=mid if present
- var mid = SDPUtil.parse_mid(SDPUtil.find_line(this.media[i], 'a=mid:'));
- elem.attrs({ name: mid });
- }
-
- if (SDPUtil.find_line(this.media[i], 'a=rtpmap:').length)
- {
- elem.c('description',
- {xmlns: 'urn:xmpp:jingle:apps:rtp:1',
- media: mline.media });
- if (ssrc) {
- elem.attrs({ssrc: ssrc});
- }
- for (j = 0; j < mline.fmt.length; j++) {
- rtpmap = SDPUtil.find_line(this.media[i], 'a=rtpmap:' + mline.fmt[j]);
- elem.c('payload-type', SDPUtil.parse_rtpmap(rtpmap));
- // put any 'a=fmtp:' + mline.fmt[j] lines into <param name=foo value=bar/>
- if (SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j])) {
- tmp = SDPUtil.parse_fmtp(SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j]));
- for (k = 0; k < tmp.length; k++) {
- elem.c('parameter', tmp[k]).up();
- }
- }
- this.RtcpFbToJingle(i, elem, mline.fmt[j]); // XEP-0293 -- map a=rtcp-fb
-
- elem.up();
- }
- if (SDPUtil.find_line(this.media[i], 'a=crypto:', this.session)) {
- elem.c('encryption', {required: 1});
- var crypto = SDPUtil.find_lines(this.media[i], 'a=crypto:', this.session);
- crypto.forEach(function(line) {
- elem.c('crypto', SDPUtil.parse_crypto(line)).up();
- });
- elem.up(); // end of encryption
- }
-
- if (ssrc) {
- // new style mapping
- elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
- // FIXME: group by ssrc and support multiple different ssrcs
- var ssrclines = SDPUtil.find_lines(this.media[i], 'a=ssrc:');
- if(ssrclines.length > 0) {
- ssrclines.forEach(function (line) {
- idx = line.indexOf(' ');
- var linessrc = line.substr(0, idx).substr(7);
- if (linessrc != ssrc) {
- elem.up();
- ssrc = linessrc;
- elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
- }
- var kv = line.substr(idx + 1);
- elem.c('parameter');
- if (kv.indexOf(':') == -1) {
- elem.attrs({ name: kv });
- } else {
- elem.attrs({ name: kv.split(':', 2)[0] });
- elem.attrs({ value: kv.split(':', 2)[1] });
- }
- elem.up();
- });
- elem.up();
- }
- else
- {
- elem.up();
- elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
- elem.c('parameter');
- elem.attrs({name: "cname", value:Math.random().toString(36).substring(7)});
- elem.up();
- var msid = null;
- if(mline.media == "audio")
- {
- msid = RTC.localAudio.getId();
- }
- else
- {
- msid = RTC.localVideo.getId();
- }
- if(msid != null)
- {
- msid = msid.replace(/[\{,\}]/g,"");
- elem.c('parameter');
- elem.attrs({name: "msid", value:msid});
- elem.up();
- elem.c('parameter');
- elem.attrs({name: "mslabel", value:msid});
- elem.up();
- elem.c('parameter');
- elem.attrs({name: "label", value:msid});
- elem.up();
- elem.up();
- }
-
-
- }
-
- // XEP-0339 handle ssrc-group attributes
- var ssrc_group_lines = SDPUtil.find_lines(this.media[i], 'a=ssrc-group:');
- ssrc_group_lines.forEach(function(line) {
- idx = line.indexOf(' ');
- var semantics = line.substr(0, idx).substr(13);
- var ssrcs = line.substr(14 + semantics.length).split(' ');
- if (ssrcs.length != 0) {
- elem.c('ssrc-group', { semantics: semantics, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
- ssrcs.forEach(function(ssrc) {
- elem.c('source', { ssrc: ssrc })
- .up();
- });
- elem.up();
- }
- });
- }
-
- if (SDPUtil.find_line(this.media[i], 'a=rtcp-mux')) {
- elem.c('rtcp-mux').up();
- }
-
- // XEP-0293 -- map a=rtcp-fb:*
- this.RtcpFbToJingle(i, elem, '*');
-
- // XEP-0294
- if (SDPUtil.find_line(this.media[i], 'a=extmap:')) {
- lines = SDPUtil.find_lines(this.media[i], 'a=extmap:');
- for (j = 0; j < lines.length; j++) {
- tmp = SDPUtil.parse_extmap(lines[j]);
- elem.c('rtp-hdrext', { xmlns: 'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',
- uri: tmp.uri,
- id: tmp.value });
- if (tmp.hasOwnProperty('direction')) {
- switch (tmp.direction) {
- case 'sendonly':
- elem.attrs({senders: 'responder'});
- break;
- case 'recvonly':
- elem.attrs({senders: 'initiator'});
- break;
- case 'sendrecv':
- elem.attrs({senders: 'both'});
- break;
- case 'inactive':
- elem.attrs({senders: 'none'});
- break;
- }
- }
- // TODO: handle params
- elem.up();
- }
- }
- elem.up(); // end of description
- }
-
- // map ice-ufrag/pwd, dtls fingerprint, candidates
- this.TransportToJingle(i, elem);
-
- if (SDPUtil.find_line(this.media[i], 'a=sendrecv', this.session)) {
- elem.attrs({senders: 'both'});
- } else if (SDPUtil.find_line(this.media[i], 'a=sendonly', this.session)) {
- elem.attrs({senders: 'initiator'});
- } else if (SDPUtil.find_line(this.media[i], 'a=recvonly', this.session)) {
- elem.attrs({senders: 'responder'});
- } else if (SDPUtil.find_line(this.media[i], 'a=inactive', this.session)) {
- elem.attrs({senders: 'none'});
- }
- if (mline.port == '0') {
- // estos hack to reject an m-line
- elem.attrs({senders: 'rejected'});
- }
- elem.up(); // end of content
- }
- elem.up();
- return elem;
- };
-
- SDP.prototype.TransportToJingle = function (mediaindex, elem) {
- var i = mediaindex;
- var tmp;
- var self = this;
- elem.c('transport');
-
- // XEP-0343 DTLS/SCTP
- if (SDPUtil.find_line(this.media[mediaindex], 'a=sctpmap:').length)
- {
- var sctpmap = SDPUtil.find_line(
- this.media[i], 'a=sctpmap:', self.session);
- if (sctpmap)
- {
- var sctpAttrs = SDPUtil.parse_sctpmap(sctpmap);
- elem.c('sctpmap',
- {
- xmlns: 'urn:xmpp:jingle:transports:dtls-sctp:1',
- number: sctpAttrs[0], /* SCTP port */
- protocol: sctpAttrs[1], /* protocol */
- });
- // Optional stream count attribute
- if (sctpAttrs.length > 2)
- elem.attrs({ streams: sctpAttrs[2]});
- elem.up();
- }
- }
- // XEP-0320
- var fingerprints = SDPUtil.find_lines(this.media[mediaindex], 'a=fingerprint:', this.session);
- fingerprints.forEach(function(line) {
- tmp = SDPUtil.parse_fingerprint(line);
- tmp.xmlns = 'urn:xmpp:jingle:apps:dtls:0';
- elem.c('fingerprint').t(tmp.fingerprint);
- delete tmp.fingerprint;
- line = SDPUtil.find_line(self.media[mediaindex], 'a=setup:', self.session);
- if (line) {
- tmp.setup = line.substr(8);
- }
- elem.attrs(tmp);
- elem.up(); // end of fingerprint
- });
- tmp = SDPUtil.iceparams(this.media[mediaindex], this.session);
- if (tmp) {
- tmp.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
- elem.attrs(tmp);
- // XEP-0176
- if (SDPUtil.find_line(this.media[mediaindex], 'a=candidate:', this.session)) { // add any a=candidate lines
- var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=candidate:', this.session);
- lines.forEach(function (line) {
- elem.c('candidate', SDPUtil.candidateToJingle(line)).up();
- });
- }
- }
- elem.up(); // end of transport
- }
-
- SDP.prototype.RtcpFbToJingle = function (mediaindex, elem, payloadtype) { // XEP-0293
- var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=rtcp-fb:' + payloadtype);
- lines.forEach(function (line) {
- var tmp = SDPUtil.parse_rtcpfb(line);
- if (tmp.type == 'trr-int') {
- elem.c('rtcp-fb-trr-int', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', value: tmp.params[0]});
- elem.up();
- } else {
- elem.c('rtcp-fb', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', type: tmp.type});
- if (tmp.params.length > 0) {
- elem.attrs({'subtype': tmp.params[0]});
- }
- elem.up();
- }
- });
- };
-
- SDP.prototype.RtcpFbFromJingle = function (elem, payloadtype) { // XEP-0293
- var media = '';
- var tmp = elem.find('>rtcp-fb-trr-int[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
- if (tmp.length) {
- media += 'a=rtcp-fb:' + '*' + ' ' + 'trr-int' + ' ';
- if (tmp.attr('value')) {
- media += tmp.attr('value');
- } else {
- media += '0';
- }
- media += '\r\n';
- }
- tmp = elem.find('>rtcp-fb[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
- tmp.each(function () {
- media += 'a=rtcp-fb:' + payloadtype + ' ' + $(this).attr('type');
- if ($(this).attr('subtype')) {
- media += ' ' + $(this).attr('subtype');
- }
- media += '\r\n';
- });
- return media;
- };
-
- // construct an SDP from a jingle stanza
- SDP.prototype.fromJingle = function (jingle) {
- var self = this;
- this.raw = 'v=0\r\n' +
- 'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
- 's=-\r\n' +
- 't=0 0\r\n';
- // http://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-04#section-8
- if ($(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').length) {
- $(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').each(function (idx, group) {
- var contents = $(group).find('>content').map(function (idx, content) {
- return content.getAttribute('name');
- }).get();
- if (contents.length > 0) {
- self.raw += 'a=group:' + (group.getAttribute('semantics') || group.getAttribute('type')) + ' ' + contents.join(' ') + '\r\n';
- }
- });
- }
-
- this.session = this.raw;
- jingle.find('>content').each(function () {
- var m = self.jingle2media($(this));
- self.media.push(m);
- });
-
- // reconstruct msid-semantic -- apparently not necessary
- /*
- var msid = SDPUtil.parse_ssrc(this.raw);
- if (msid.hasOwnProperty('mslabel')) {
- this.session += "a=msid-semantic: WMS " + msid.mslabel + "\r\n";
- }
- */
-
- this.raw = this.session + this.media.join('');
- };
-
- // translate a jingle content element into an an SDP media part
- SDP.prototype.jingle2media = function (content) {
- var media = '',
- desc = content.find('description'),
- ssrc = desc.attr('ssrc'),
- self = this,
- tmp;
- var sctp = content.find(
- '>transport>sctpmap[xmlns="urn:xmpp:jingle:transports:dtls-sctp:1"]');
-
- tmp = { media: desc.attr('media') };
- tmp.port = '1';
- if (content.attr('senders') == 'rejected') {
- // estos hack to reject an m-line.
- tmp.port = '0';
- }
- if (content.find('>transport>fingerprint').length || desc.find('encryption').length) {
- if (sctp.length)
- tmp.proto = 'DTLS/SCTP';
- else
- tmp.proto = 'RTP/SAVPF';
- } else {
- tmp.proto = 'RTP/AVPF';
- }
- if (!sctp.length)
- {
- tmp.fmt = desc.find('payload-type').map(
- function () { return this.getAttribute('id'); }).get();
- media += SDPUtil.build_mline(tmp) + '\r\n';
- }
- else
- {
- media += 'm=application 1 DTLS/SCTP ' + sctp.attr('number') + '\r\n';
- media += 'a=sctpmap:' + sctp.attr('number') +
- ' ' + sctp.attr('protocol');
-
- var streamCount = sctp.attr('streams');
- if (streamCount)
- media += ' ' + streamCount + '\r\n';
- else
- media += '\r\n';
- }
-
- media += 'c=IN IP4 0.0.0.0\r\n';
- if (!sctp.length)
- media += 'a=rtcp:1 IN IP4 0.0.0.0\r\n';
- tmp = content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]');
- if (tmp.length) {
- if (tmp.attr('ufrag')) {
- media += SDPUtil.build_iceufrag(tmp.attr('ufrag')) + '\r\n';
- }
- if (tmp.attr('pwd')) {
- media += SDPUtil.build_icepwd(tmp.attr('pwd')) + '\r\n';
- }
- tmp.find('>fingerprint').each(function () {
- // FIXME: check namespace at some point
- media += 'a=fingerprint:' + this.getAttribute('hash');
- media += ' ' + $(this).text();
- media += '\r\n';
- if (this.getAttribute('setup')) {
- media += 'a=setup:' + this.getAttribute('setup') + '\r\n';
- }
- });
- }
- switch (content.attr('senders')) {
- case 'initiator':
- media += 'a=sendonly\r\n';
- break;
- case 'responder':
- media += 'a=recvonly\r\n';
- break;
- case 'none':
- media += 'a=inactive\r\n';
- break;
- case 'both':
- media += 'a=sendrecv\r\n';
- break;
- }
- media += 'a=mid:' + content.attr('name') + '\r\n';
-
- // <description><rtcp-mux/></description>
- // see http://code.google.com/p/libjingle/issues/detail?id=309 -- no spec though
- // and http://mail.jabber.org/pipermail/jingle/2011-December/001761.html
- if (desc.find('rtcp-mux').length) {
- media += 'a=rtcp-mux\r\n';
- }
-
- if (desc.find('encryption').length) {
- desc.find('encryption>crypto').each(function () {
- media += 'a=crypto:' + this.getAttribute('tag');
- media += ' ' + this.getAttribute('crypto-suite');
- media += ' ' + this.getAttribute('key-params');
- if (this.getAttribute('session-params')) {
- media += ' ' + this.getAttribute('session-params');
- }
- media += '\r\n';
- });
- }
- desc.find('payload-type').each(function () {
- media += SDPUtil.build_rtpmap(this) + '\r\n';
- if ($(this).find('>parameter').length) {
- media += 'a=fmtp:' + this.getAttribute('id') + ' ';
- media += $(this).find('parameter').map(function () { return (this.getAttribute('name') ? (this.getAttribute('name') + '=') : '') + this.getAttribute('value'); }).get().join('; ');
- media += '\r\n';
- }
- // xep-0293
- media += self.RtcpFbFromJingle($(this), this.getAttribute('id'));
- });
-
- // xep-0293
- media += self.RtcpFbFromJingle(desc, '*');
-
- // xep-0294
- tmp = desc.find('>rtp-hdrext[xmlns="urn:xmpp:jingle:apps:rtp:rtp-hdrext:0"]');
- tmp.each(function () {
- media += 'a=extmap:' + this.getAttribute('id') + ' ' + this.getAttribute('uri') + '\r\n';
- });
-
- content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]>candidate').each(function () {
- media += SDPUtil.candidateFromJingle(this);
- });
-
- // XEP-0339 handle ssrc-group attributes
- tmp = content.find('description>ssrc-group[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]').each(function() {
- var semantics = this.getAttribute('semantics');
- var ssrcs = $(this).find('>source').map(function() {
- return this.getAttribute('ssrc');
- }).get();
-
- if (ssrcs.length != 0) {
- media += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\r\n';
- }
- });
-
- tmp = content.find('description>source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]');
- tmp.each(function () {
- var ssrc = this.getAttribute('ssrc');
- $(this).find('>parameter').each(function () {
- media += 'a=ssrc:' + ssrc + ' ' + this.getAttribute('name');
- if (this.getAttribute('value') && this.getAttribute('value').length)
- media += ':' + this.getAttribute('value');
- media += '\r\n';
- });
- });
-
- return media;
- };
-
-
- module.exports = SDP;
-
-
- },{"./SDPUtil":4}],3:[function(require,module,exports){
- function SDPDiffer(mySDP, otherSDP) {
- this.mySDP = mySDP;
- this.otherSDP = otherSDP;
- }
-
- /**
- * Returns map of MediaChannel that contains only media not contained in <tt>otherSdp</tt>. Mapped by channel idx.
- * @param otherSdp the other SDP to check ssrc with.
- */
- SDPDiffer.prototype.getNewMedia = function() {
-
- // this could be useful in Array.prototype.
- function arrayEquals(array) {
- // if the other array is a falsy value, return
- if (!array)
- return false;
-
- // compare lengths - can save a lot of time
- if (this.length != array.length)
- return false;
-
- for (var i = 0, l=this.length; i < l; i++) {
- // Check if we have nested arrays
- if (this[i] instanceof Array && array[i] instanceof Array) {
- // recurse into the nested arrays
- if (!this[i].equals(array[i]))
- return false;
- }
- else if (this[i] != array[i]) {
- // Warning - two different object instances will never be equal: {x:20} != {x:20}
- return false;
- }
- }
- return true;
- }
-
- var myMedias = this.mySDP.getMediaSsrcMap();
- var othersMedias = this.otherSDP.getMediaSsrcMap();
- var newMedia = {};
- Object.keys(othersMedias).forEach(function(othersMediaIdx) {
- var myMedia = myMedias[othersMediaIdx];
- var othersMedia = othersMedias[othersMediaIdx];
- if(!myMedia && othersMedia) {
- // Add whole channel
- newMedia[othersMediaIdx] = othersMedia;
- return;
- }
- // Look for new ssrcs accross the channel
- Object.keys(othersMedia.ssrcs).forEach(function(ssrc) {
- if(Object.keys(myMedia.ssrcs).indexOf(ssrc) === -1) {
- // Allocate channel if we've found ssrc that doesn't exist in our channel
- if(!newMedia[othersMediaIdx]){
- newMedia[othersMediaIdx] = {
- mediaindex: othersMedia.mediaindex,
- mid: othersMedia.mid,
- ssrcs: {},
- ssrcGroups: []
- };
- }
- newMedia[othersMediaIdx].ssrcs[ssrc] = othersMedia.ssrcs[ssrc];
- }
- });
-
- // Look for new ssrc groups across the channels
- othersMedia.ssrcGroups.forEach(function(otherSsrcGroup){
-
- // try to match the other ssrc-group with an ssrc-group of ours
- var matched = false;
- for (var i = 0; i < myMedia.ssrcGroups.length; i++) {
- var mySsrcGroup = myMedia.ssrcGroups[i];
- if (otherSsrcGroup.semantics == mySsrcGroup.semantics
- && arrayEquals.apply(otherSsrcGroup.ssrcs, [mySsrcGroup.ssrcs])) {
-
- matched = true;
- break;
- }
- }
-
- if (!matched) {
- // Allocate channel if we've found an ssrc-group that doesn't
- // exist in our channel
-
- if(!newMedia[othersMediaIdx]){
- newMedia[othersMediaIdx] = {
- mediaindex: othersMedia.mediaindex,
- mid: othersMedia.mid,
- ssrcs: {},
- ssrcGroups: []
- };
- }
- newMedia[othersMediaIdx].ssrcGroups.push(otherSsrcGroup);
- }
- });
- });
- return newMedia;
- };
-
- /**
- * Sends SSRC update IQ.
- * @param sdpMediaSsrcs SSRCs map obtained from SDP.getNewMedia. Cntains SSRCs to add/remove.
- * @param sid session identifier that will be put into the IQ.
- * @param initiator initiator identifier.
- * @param toJid destination Jid
- * @param isAdd indicates if this is remove or add operation.
- */
- SDPDiffer.prototype.toJingle = function(modify) {
- var sdpMediaSsrcs = this.getNewMedia();
- var self = this;
-
- // FIXME: only announce video ssrcs since we mix audio and dont need
- // the audio ssrcs therefore
- var modified = false;
- Object.keys(sdpMediaSsrcs).forEach(function(mediaindex){
- modified = true;
- var media = sdpMediaSsrcs[mediaindex];
- modify.c('content', {name: media.mid});
-
- modify.c('description', {xmlns:'urn:xmpp:jingle:apps:rtp:1', media: media.mid});
- // FIXME: not completly sure this operates on blocks and / or handles different ssrcs correctly
- // generate sources from lines
- Object.keys(media.ssrcs).forEach(function(ssrcNum) {
- var mediaSsrc = media.ssrcs[ssrcNum];
- modify.c('source', { xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
- modify.attrs({ssrc: mediaSsrc.ssrc});
- // iterate over ssrc lines
- mediaSsrc.lines.forEach(function (line) {
- var idx = line.indexOf(' ');
- var kv = line.substr(idx + 1);
- modify.c('parameter');
- if (kv.indexOf(':') == -1) {
- modify.attrs({ name: kv });
- } else {
- modify.attrs({ name: kv.split(':', 2)[0] });
- modify.attrs({ value: kv.split(':', 2)[1] });
- }
- modify.up(); // end of parameter
- });
- modify.up(); // end of source
- });
-
- // generate source groups from lines
- media.ssrcGroups.forEach(function(ssrcGroup) {
- if (ssrcGroup.ssrcs.length != 0) {
-
- modify.c('ssrc-group', {
- semantics: ssrcGroup.semantics,
- xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0'
- });
-
- ssrcGroup.ssrcs.forEach(function (ssrc) {
- modify.c('source', { ssrc: ssrc })
- .up(); // end of source
- });
- modify.up(); // end of ssrc-group
- }
- });
-
- modify.up(); // end of description
- modify.up(); // end of content
- });
-
- return modified;
- };
-
- module.exports = SDPDiffer;
- },{}],4:[function(require,module,exports){
- SDPUtil = {
- iceparams: function (mediadesc, sessiondesc) {
- var data = null;
- if (SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc) &&
- SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc)) {
- data = {
- ufrag: SDPUtil.parse_iceufrag(SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc)),
- pwd: SDPUtil.parse_icepwd(SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc))
- };
- }
- return data;
- },
- parse_iceufrag: function (line) {
- return line.substring(12);
- },
- build_iceufrag: function (frag) {
- return 'a=ice-ufrag:' + frag;
- },
- parse_icepwd: function (line) {
- return line.substring(10);
- },
- build_icepwd: function (pwd) {
- return 'a=ice-pwd:' + pwd;
- },
- parse_mid: function (line) {
- return line.substring(6);
- },
- parse_mline: function (line) {
- var parts = line.substring(2).split(' '),
- data = {};
- data.media = parts.shift();
- data.port = parts.shift();
- data.proto = parts.shift();
- if (parts[parts.length - 1] === '') { // trailing whitespace
- parts.pop();
- }
- data.fmt = parts;
- return data;
- },
- build_mline: function (mline) {
- return 'm=' + mline.media + ' ' + mline.port + ' ' + mline.proto + ' ' + mline.fmt.join(' ');
- },
- parse_rtpmap: function (line) {
- var parts = line.substring(9).split(' '),
- data = {};
- data.id = parts.shift();
- parts = parts[0].split('/');
- data.name = parts.shift();
- data.clockrate = parts.shift();
- data.channels = parts.length ? parts.shift() : '1';
- return data;
- },
- /**
- * Parses SDP line "a=sctpmap:..." and extracts SCTP port from it.
- * @param line eg. "a=sctpmap:5000 webrtc-datachannel"
- * @returns [SCTP port number, protocol, streams]
- */
- parse_sctpmap: function (line)
- {
- var parts = line.substring(10).split(' ');
- var sctpPort = parts[0];
- var protocol = parts[1];
- // Stream count is optional
- var streamCount = parts.length > 2 ? parts[2] : null;
- return [sctpPort, protocol, streamCount];// SCTP port
- },
- build_rtpmap: function (el) {
- var line = 'a=rtpmap:' + el.getAttribute('id') + ' ' + el.getAttribute('name') + '/' + el.getAttribute('clockrate');
- if (el.getAttribute('channels') && el.getAttribute('channels') != '1') {
- line += '/' + el.getAttribute('channels');
- }
- return line;
- },
- parse_crypto: function (line) {
- var parts = line.substring(9).split(' '),
- data = {};
- data.tag = parts.shift();
- data['crypto-suite'] = parts.shift();
- data['key-params'] = parts.shift();
- if (parts.length) {
- data['session-params'] = parts.join(' ');
- }
- return data;
- },
- parse_fingerprint: function (line) { // RFC 4572
- var parts = line.substring(14).split(' '),
- data = {};
- data.hash = parts.shift();
- data.fingerprint = parts.shift();
- // TODO assert that fingerprint satisfies 2UHEX *(":" 2UHEX) ?
- return data;
- },
- parse_fmtp: function (line) {
- var parts = line.split(' '),
- i, key, value,
- data = [];
- parts.shift();
- parts = parts.join(' ').split(';');
- for (i = 0; i < parts.length; i++) {
- key = parts[i].split('=')[0];
- while (key.length && key[0] == ' ') {
- key = key.substring(1);
- }
- value = parts[i].split('=')[1];
- if (key && value) {
- data.push({name: key, value: value});
- } else if (key) {
- // rfc 4733 (DTMF) style stuff
- data.push({name: '', value: key});
- }
- }
- return data;
- },
- parse_icecandidate: function (line) {
- var candidate = {},
- elems = line.split(' ');
- candidate.foundation = elems[0].substring(12);
- candidate.component = elems[1];
- candidate.protocol = elems[2].toLowerCase();
- candidate.priority = elems[3];
- candidate.ip = elems[4];
- candidate.port = elems[5];
- // elems[6] => "typ"
- candidate.type = elems[7];
- candidate.generation = 0; // default value, may be overwritten below
- for (var i = 8; i < elems.length; i += 2) {
- switch (elems[i]) {
- case 'raddr':
- candidate['rel-addr'] = elems[i + 1];
- break;
- case 'rport':
- candidate['rel-port'] = elems[i + 1];
- break;
- case 'generation':
- candidate.generation = elems[i + 1];
- break;
- case 'tcptype':
- candidate.tcptype = elems[i + 1];
- break;
- default: // TODO
- console.log('parse_icecandidate not translating "' + elems[i] + '" = "' + elems[i + 1] + '"');
- }
- }
- candidate.network = '1';
- candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random
- return candidate;
- },
- build_icecandidate: function (cand) {
- var line = ['a=candidate:' + cand.foundation, cand.component, cand.protocol, cand.priority, cand.ip, cand.port, 'typ', cand.type].join(' ');
- line += ' ';
- switch (cand.type) {
- case 'srflx':
- case 'prflx':
- case 'relay':
- if (cand.hasOwnAttribute('rel-addr') && cand.hasOwnAttribute('rel-port')) {
- line += 'raddr';
- line += ' ';
- line += cand['rel-addr'];
- line += ' ';
- line += 'rport';
- line += ' ';
- line += cand['rel-port'];
- line += ' ';
- }
- break;
- }
- if (cand.hasOwnAttribute('tcptype')) {
- line += 'tcptype';
- line += ' ';
- line += cand.tcptype;
- line += ' ';
- }
- line += 'generation';
- line += ' ';
- line += cand.hasOwnAttribute('generation') ? cand.generation : '0';
- return line;
- },
- parse_ssrc: function (desc) {
- // proprietary mapping of a=ssrc lines
- // TODO: see "Jingle RTP Source Description" by Juberti and P. Thatcher on google docs
- // and parse according to that
- var lines = desc.split('\r\n'),
- data = {};
- for (var i = 0; i < lines.length; i++) {
- if (lines[i].substring(0, 7) == 'a=ssrc:') {
- var idx = lines[i].indexOf(' ');
- data[lines[i].substr(idx + 1).split(':', 2)[0]] = lines[i].substr(idx + 1).split(':', 2)[1];
- }
- }
- return data;
- },
- parse_rtcpfb: function (line) {
- var parts = line.substr(10).split(' ');
- var data = {};
- data.pt = parts.shift();
- data.type = parts.shift();
- data.params = parts;
- return data;
- },
- parse_extmap: function (line) {
- var parts = line.substr(9).split(' ');
- var data = {};
- data.value = parts.shift();
- if (data.value.indexOf('/') != -1) {
- data.direction = data.value.substr(data.value.indexOf('/') + 1);
- data.value = data.value.substr(0, data.value.indexOf('/'));
- } else {
- data.direction = 'both';
- }
- data.uri = parts.shift();
- data.params = parts;
- return data;
- },
- find_line: function (haystack, needle, sessionpart) {
- var lines = haystack.split('\r\n');
- for (var i = 0; i < lines.length; i++) {
- if (lines[i].substring(0, needle.length) == needle) {
- return lines[i];
- }
- }
- if (!sessionpart) {
- return false;
- }
- // search session part
- lines = sessionpart.split('\r\n');
- for (var j = 0; j < lines.length; j++) {
- if (lines[j].substring(0, needle.length) == needle) {
- return lines[j];
- }
- }
- return false;
- },
- find_lines: function (haystack, needle, sessionpart) {
- var lines = haystack.split('\r\n'),
- needles = [];
- for (var i = 0; i < lines.length; i++) {
- if (lines[i].substring(0, needle.length) == needle)
- needles.push(lines[i]);
- }
- if (needles.length || !sessionpart) {
- return needles;
- }
- // search session part
- lines = sessionpart.split('\r\n');
- for (var j = 0; j < lines.length; j++) {
- if (lines[j].substring(0, needle.length) == needle) {
- needles.push(lines[j]);
- }
- }
- return needles;
- },
- candidateToJingle: function (line) {
- // a=candidate:2979166662 1 udp 2113937151 192.168.2.100 57698 typ host generation 0
- // <candidate component=... foundation=... generation=... id=... ip=... network=... port=... priority=... protocol=... type=.../>
- if (line.indexOf('candidate:') === 0) {
- line = 'a=' + line;
- } else if (line.substring(0, 12) != 'a=candidate:') {
- console.log('parseCandidate called with a line that is not a candidate line');
- console.log(line);
- return null;
- }
- if (line.substring(line.length - 2) == '\r\n') // chomp it
- line = line.substring(0, line.length - 2);
- var candidate = {},
- elems = line.split(' '),
- i;
- if (elems[6] != 'typ') {
- console.log('did not find typ in the right place');
- console.log(line);
- return null;
- }
- candidate.foundation = elems[0].substring(12);
- candidate.component = elems[1];
- candidate.protocol = elems[2].toLowerCase();
- candidate.priority = elems[3];
- candidate.ip = elems[4];
- candidate.port = elems[5];
- // elems[6] => "typ"
- candidate.type = elems[7];
-
- candidate.generation = '0'; // default, may be overwritten below
- for (i = 8; i < elems.length; i += 2) {
- switch (elems[i]) {
- case 'raddr':
- candidate['rel-addr'] = elems[i + 1];
- break;
- case 'rport':
- candidate['rel-port'] = elems[i + 1];
- break;
- case 'generation':
- candidate.generation = elems[i + 1];
- break;
- case 'tcptype':
- candidate.tcptype = elems[i + 1];
- break;
- default: // TODO
- console.log('not translating "' + elems[i] + '" = "' + elems[i + 1] + '"');
- }
- }
- candidate.network = '1';
- candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random
- return candidate;
- },
- candidateFromJingle: function (cand) {
- var line = 'a=candidate:';
- line += cand.getAttribute('foundation');
- line += ' ';
- line += cand.getAttribute('component');
- line += ' ';
- line += cand.getAttribute('protocol'); //.toUpperCase(); // chrome M23 doesn't like this
- line += ' ';
- line += cand.getAttribute('priority');
- line += ' ';
- line += cand.getAttribute('ip');
- line += ' ';
- line += cand.getAttribute('port');
- line += ' ';
- line += 'typ';
- line += ' ' + cand.getAttribute('type');
- line += ' ';
- switch (cand.getAttribute('type')) {
- case 'srflx':
- case 'prflx':
- case 'relay':
- if (cand.getAttribute('rel-addr') && cand.getAttribute('rel-port')) {
- line += 'raddr';
- line += ' ';
- line += cand.getAttribute('rel-addr');
- line += ' ';
- line += 'rport';
- line += ' ';
- line += cand.getAttribute('rel-port');
- line += ' ';
- }
- break;
- }
- if (cand.getAttribute('protocol').toLowerCase() == 'tcp') {
- line += 'tcptype';
- line += ' ';
- line += cand.getAttribute('tcptype');
- line += ' ';
- }
- line += 'generation';
- line += ' ';
- line += cand.getAttribute('generation') || '0';
- return line + '\r\n';
- }
- };
- module.exports = SDPUtil;
- },{}],5:[function(require,module,exports){
- function TraceablePeerConnection(ice_config, constraints) {
- var self = this;
- var RTCPeerconnection = navigator.mozGetUserMedia ? mozRTCPeerConnection : webkitRTCPeerConnection;
- this.peerconnection = new RTCPeerconnection(ice_config, constraints);
- this.updateLog = [];
- this.stats = {};
- this.statsinterval = null;
- this.maxstats = 0; // limit to 300 values, i.e. 5 minutes; set to 0 to disable
-
- // override as desired
- this.trace = function (what, info) {
- //console.warn('WTRACE', what, info);
- self.updateLog.push({
- time: new Date(),
- type: what,
- value: info || ""
- });
- };
- this.onicecandidate = null;
- this.peerconnection.onicecandidate = function (event) {
- self.trace('onicecandidate', JSON.stringify(event.candidate, null, ' '));
- if (self.onicecandidate !== null) {
- self.onicecandidate(event);
- }
- };
- this.onaddstream = null;
- this.peerconnection.onaddstream = function (event) {
- self.trace('onaddstream', event.stream.id);
- if (self.onaddstream !== null) {
- self.onaddstream(event);
- }
- };
- this.onremovestream = null;
- this.peerconnection.onremovestream = function (event) {
- self.trace('onremovestream', event.stream.id);
- if (self.onremovestream !== null) {
- self.onremovestream(event);
- }
- };
- this.onsignalingstatechange = null;
- this.peerconnection.onsignalingstatechange = function (event) {
- self.trace('onsignalingstatechange', self.signalingState);
- if (self.onsignalingstatechange !== null) {
- self.onsignalingstatechange(event);
- }
- };
- this.oniceconnectionstatechange = null;
- this.peerconnection.oniceconnectionstatechange = function (event) {
- self.trace('oniceconnectionstatechange', self.iceConnectionState);
- if (self.oniceconnectionstatechange !== null) {
- self.oniceconnectionstatechange(event);
- }
- };
- this.onnegotiationneeded = null;
- this.peerconnection.onnegotiationneeded = function (event) {
- self.trace('onnegotiationneeded');
- if (self.onnegotiationneeded !== null) {
- self.onnegotiationneeded(event);
- }
- };
- self.ondatachannel = null;
- this.peerconnection.ondatachannel = function (event) {
- self.trace('ondatachannel', event);
- if (self.ondatachannel !== null) {
- self.ondatachannel(event);
- }
- };
- if (!navigator.mozGetUserMedia && this.maxstats) {
- this.statsinterval = window.setInterval(function() {
- self.peerconnection.getStats(function(stats) {
- var results = stats.result();
- for (var i = 0; i < results.length; ++i) {
- //console.log(results[i].type, results[i].id, results[i].names())
- var now = new Date();
- results[i].names().forEach(function (name) {
- var id = results[i].id + '-' + name;
- if (!self.stats[id]) {
- self.stats[id] = {
- startTime: now,
- endTime: now,
- values: [],
- times: []
- };
- }
- self.stats[id].values.push(results[i].stat(name));
- self.stats[id].times.push(now.getTime());
- if (self.stats[id].values.length > self.maxstats) {
- self.stats[id].values.shift();
- self.stats[id].times.shift();
- }
- self.stats[id].endTime = now;
- });
- }
- });
-
- }, 1000);
- }
- };
-
- dumpSDP = function(description) {
- return 'type: ' + description.type + '\r\n' + description.sdp;
- }
-
- if (TraceablePeerConnection.prototype.__defineGetter__ !== undefined) {
- TraceablePeerConnection.prototype.__defineGetter__('signalingState', function() { return this.peerconnection.signalingState; });
- TraceablePeerConnection.prototype.__defineGetter__('iceConnectionState', function() { return this.peerconnection.iceConnectionState; });
- TraceablePeerConnection.prototype.__defineGetter__('localDescription', function() {
- var publicLocalDescription = simulcast.reverseTransformLocalDescription(this.peerconnection.localDescription);
- return publicLocalDescription;
- });
- TraceablePeerConnection.prototype.__defineGetter__('remoteDescription', function() {
- var publicRemoteDescription = simulcast.reverseTransformRemoteDescription(this.peerconnection.remoteDescription);
- return publicRemoteDescription;
- });
- }
-
- TraceablePeerConnection.prototype.addStream = function (stream) {
- this.trace('addStream', stream.id);
- simulcast.resetSender();
- try
- {
- this.peerconnection.addStream(stream);
- }
- catch (e)
- {
- console.error(e);
- return;
- }
- };
-
- TraceablePeerConnection.prototype.removeStream = function (stream, stopStreams) {
- this.trace('removeStream', stream.id);
- simulcast.resetSender();
- if(stopStreams) {
- stream.getAudioTracks().forEach(function (track) {
- track.stop();
- });
- stream.getVideoTracks().forEach(function (track) {
- track.stop();
- });
- }
- this.peerconnection.removeStream(stream);
- };
-
- TraceablePeerConnection.prototype.createDataChannel = function (label, opts) {
- this.trace('createDataChannel', label, opts);
- return this.peerconnection.createDataChannel(label, opts);
- };
-
- TraceablePeerConnection.prototype.setLocalDescription = function (description, successCallback, failureCallback) {
- var self = this;
- description = simulcast.transformLocalDescription(description);
- this.trace('setLocalDescription', dumpSDP(description));
- this.peerconnection.setLocalDescription(description,
- function () {
- self.trace('setLocalDescriptionOnSuccess');
- successCallback();
- },
- function (err) {
- self.trace('setLocalDescriptionOnFailure', err);
- failureCallback(err);
- }
- );
- /*
- if (this.statsinterval === null && this.maxstats > 0) {
- // start gathering stats
- }
- */
- };
-
- TraceablePeerConnection.prototype.setRemoteDescription = function (description, successCallback, failureCallback) {
- var self = this;
- description = simulcast.transformRemoteDescription(description);
- this.trace('setRemoteDescription', dumpSDP(description));
- this.peerconnection.setRemoteDescription(description,
- function () {
- self.trace('setRemoteDescriptionOnSuccess');
- successCallback();
- },
- function (err) {
- self.trace('setRemoteDescriptionOnFailure', err);
- failureCallback(err);
- }
- );
- /*
- if (this.statsinterval === null && this.maxstats > 0) {
- // start gathering stats
- }
- */
- };
-
- TraceablePeerConnection.prototype.close = function () {
- this.trace('stop');
- if (this.statsinterval !== null) {
- window.clearInterval(this.statsinterval);
- this.statsinterval = null;
- }
- this.peerconnection.close();
- };
-
- TraceablePeerConnection.prototype.createOffer = function (successCallback, failureCallback, constraints) {
- var self = this;
- this.trace('createOffer', JSON.stringify(constraints, null, ' '));
- this.peerconnection.createOffer(
- function (offer) {
- self.trace('createOfferOnSuccess', dumpSDP(offer));
- successCallback(offer);
- },
- function(err) {
- self.trace('createOfferOnFailure', err);
- failureCallback(err);
- },
- constraints
- );
- };
-
- TraceablePeerConnection.prototype.createAnswer = function (successCallback, failureCallback, constraints) {
- var self = this;
- this.trace('createAnswer', JSON.stringify(constraints, null, ' '));
- this.peerconnection.createAnswer(
- function (answer) {
- answer = simulcast.transformAnswer(answer);
- self.trace('createAnswerOnSuccess', dumpSDP(answer));
- successCallback(answer);
- },
- function(err) {
- self.trace('createAnswerOnFailure', err);
- failureCallback(err);
- },
- constraints
- );
- };
-
- TraceablePeerConnection.prototype.addIceCandidate = function (candidate, successCallback, failureCallback) {
- var self = this;
- this.trace('addIceCandidate', JSON.stringify(candidate, null, ' '));
- this.peerconnection.addIceCandidate(candidate);
- /* maybe later
- this.peerconnection.addIceCandidate(candidate,
- function () {
- self.trace('addIceCandidateOnSuccess');
- successCallback();
- },
- function (err) {
- self.trace('addIceCandidateOnFailure', err);
- failureCallback(err);
- }
- );
- */
- };
-
- TraceablePeerConnection.prototype.getStats = function(callback, errback) {
- if (navigator.mozGetUserMedia) {
- // ignore for now...
- if(!errback)
- errback = function () {
-
- }
- this.peerconnection.getStats(null,callback,errback);
- } else {
- this.peerconnection.getStats(callback);
- }
- };
-
- module.exports = TraceablePeerConnection;
-
-
- },{}],6:[function(require,module,exports){
- /* global $, $iq, config, connection, UI, messageHandler,
- roomName, sessionTerminated, Strophe, Util */
- /**
- * Contains logic responsible for enabling/disabling functionality available
- * only to moderator users.
- */
- var connection = null;
- var focusUserJid;
- var getNextTimeout = Util.createExpBackoffTimer(1000);
- var getNextErrorTimeout = Util.createExpBackoffTimer(1000);
- // External authentication stuff
- var externalAuthEnabled = false;
- // Sip gateway can be enabled by configuring Jigasi host in config.js or
- // it will be enabled automatically if focus detects the component through
- // service discovery.
- var sipGatewayEnabled = config.hosts.call_control !== undefined;
-
- var Moderator = {
- isModerator: function () {
- return connection && connection.emuc.isModerator();
- },
-
- isPeerModerator: function (peerJid) {
- return connection &&
- connection.emuc.getMemberRole(peerJid) === 'moderator';
- },
-
- isExternalAuthEnabled: function () {
- return externalAuthEnabled;
- },
-
- isSipGatewayEnabled: function () {
- return sipGatewayEnabled;
- },
-
- setConnection: function (con) {
- connection = con;
- },
-
- init: function (xmpp) {
- this.xmppService = xmpp;
- this.onLocalRoleChange = function (from, member, pres) {
- UI.onModeratorStatusChanged(Moderator.isModerator());
- };
- },
-
- onMucLeft: function (jid) {
- console.info("Someone left is it focus ? " + jid);
- var resource = Strophe.getResourceFromJid(jid);
- if (resource === 'focus' && !this.xmppService.sessionTerminated) {
- console.info(
- "Focus has left the room - leaving conference");
- //hangUp();
- // We'd rather reload to have everything re-initialized
- // FIXME: show some message before reload
- location.reload();
- }
- },
-
- setFocusUserJid: function (focusJid) {
- if (!focusUserJid) {
- focusUserJid = focusJid;
- console.info("Focus jid set to: " + focusUserJid);
- }
- },
-
- getFocusUserJid: function () {
- return focusUserJid;
- },
-
- getFocusComponent: function () {
- // Get focus component address
- var focusComponent = config.hosts.focus;
- // If not specified use default: 'focus.domain'
- if (!focusComponent) {
- focusComponent = 'focus.' + config.hosts.domain;
- }
- return focusComponent;
- },
-
- createConferenceIq: function (roomName) {
- // Generate create conference IQ
- var elem = $iq({to: Moderator.getFocusComponent(), type: 'set'});
- elem.c('conference', {
- xmlns: 'http://jitsi.org/protocol/focus',
- room: roomName
- });
- if (config.hosts.bridge !== undefined) {
- elem.c(
- 'property',
- { name: 'bridge', value: config.hosts.bridge})
- .up();
- }
- // Tell the focus we have Jigasi configured
- if (config.hosts.call_control !== undefined) {
- elem.c(
- 'property',
- { name: 'call_control', value: config.hosts.call_control})
- .up();
- }
- if (config.channelLastN !== undefined) {
- elem.c(
- 'property',
- { name: 'channelLastN', value: config.channelLastN})
- .up();
- }
- if (config.adaptiveLastN !== undefined) {
- elem.c(
- 'property',
- { name: 'adaptiveLastN', value: config.adaptiveLastN})
- .up();
- }
- if (config.adaptiveSimulcast !== undefined) {
- elem.c(
- 'property',
- { name: 'adaptiveSimulcast', value: config.adaptiveSimulcast})
- .up();
- }
- if (config.openSctp !== undefined) {
- elem.c(
- 'property',
- { name: 'openSctp', value: config.openSctp})
- .up();
- }
- if (config.enableFirefoxSupport !== undefined) {
- elem.c(
- 'property',
- { name: 'enableFirefoxHacks',
- value: config.enableFirefoxSupport})
- .up();
- }
- elem.up();
- return elem;
- },
-
- parseConfigOptions: function (resultIq) {
-
- Moderator.setFocusUserJid(
- $(resultIq).find('conference').attr('focusjid'));
-
- var extAuthParam
- = $(resultIq).find('>conference>property[name=\'externalAuth\']');
- if (extAuthParam.length) {
- externalAuthEnabled = extAuthParam.attr('value') === 'true';
- }
-
- console.info("External authentication enabled: " + externalAuthEnabled);
-
- // Check if focus has auto-detected Jigasi component(this will be also
- // included if we have passed our host from the config)
- if ($(resultIq).find(
- '>conference>property[name=\'sipGatewayEnabled\']').length) {
- sipGatewayEnabled = true;
- }
-
- console.info("Sip gateway enabled: " + sipGatewayEnabled);
- },
-
- // FIXME: we need to show the fact that we're waiting for the focus
- // to the user(or that focus is not available)
- allocateConferenceFocus: function (roomName, callback) {
- // Try to use focus user JID from the config
- Moderator.setFocusUserJid(config.focusUserJid);
- // Send create conference IQ
- var iq = Moderator.createConferenceIq(roomName);
- connection.sendIQ(
- iq,
- function (result) {
- if ('true' === $(result).find('conference').attr('ready')) {
- // Reset both timers
- getNextTimeout(true);
- getNextErrorTimeout(true);
- // Setup config options
- Moderator.parseConfigOptions(result);
- // Exec callback
- callback();
- } else {
- var waitMs = getNextTimeout();
- console.info("Waiting for the focus... " + waitMs);
- // Reset error timeout
- getNextErrorTimeout(true);
- window.setTimeout(
- function () {
- Moderator.allocateConferenceFocus(
- roomName, callback);
- }, waitMs);
- }
- },
- function (error) {
- // Not authorized to create new room
- if ($(error).find('>error>not-authorized').length) {
- console.warn("Unauthorized to start the conference");
- UI.onAuthenticationRequired(function () {
- Moderator.allocateConferenceFocus(roomName, callback);
- });
- return;
- }
- var waitMs = getNextErrorTimeout();
- console.error("Focus error, retry after " + waitMs, error);
- // Show message
- UI.messageHandler.notify(
- 'Conference focus', 'disconnected',
- Moderator.getFocusComponent() +
- ' not available - retry in ' +
- (waitMs / 1000) + ' sec');
- // Reset response timeout
- getNextTimeout(true);
- window.setTimeout(
- function () {
- Moderator.allocateConferenceFocus(roomName, callback);
- }, waitMs);
- }
- );
- },
-
- getAuthUrl: function (roomName, urlCallback) {
- var iq = $iq({to: Moderator.getFocusComponent(), type: 'get'});
- iq.c('auth-url', {
- xmlns: 'http://jitsi.org/protocol/focus',
- room: roomName
- });
- connection.sendIQ(
- iq,
- function (result) {
- var url = $(result).find('auth-url').attr('url');
- if (url) {
- console.info("Got auth url: " + url);
- urlCallback(url);
- } else {
- console.error(
- "Failed to get auth url fro mthe focus", result);
- }
- },
- function (error) {
- console.error("Get auth url error", error);
- }
- );
- }
- };
-
- module.exports = Moderator;
-
-
-
-
- },{}],7:[function(require,module,exports){
- /* global $, $iq, config, connection, focusMucJid, messageHandler, Moderator,
- Toolbar, Util */
- var Moderator = require("./moderator");
-
-
- var recordingToken = null;
- var recordingEnabled;
-
- /**
- * Whether to use a jirecon component for recording, or use the videobridge
- * through COLIBRI.
- */
- var useJirecon = (typeof config.hosts.jirecon != "undefined");
-
- /**
- * The ID of the jirecon recording session. Jirecon generates it when we
- * initially start recording, and it needs to be used in subsequent requests
- * to jirecon.
- */
- var jireconRid = null;
-
- function setRecordingToken(token) {
- recordingToken = token;
- }
-
- function setRecording(state, token, callback) {
- if (useJirecon){
- this.setRecordingJirecon(state, token, callback);
- } else {
- this.setRecordingColibri(state, token, callback);
- }
- }
-
- function setRecordingJirecon(state, token, callback) {
- if (state == recordingEnabled){
- return;
- }
-
- var iq = $iq({to: config.hosts.jirecon, type: 'set'})
- .c('recording', {xmlns: 'http://jitsi.org/protocol/jirecon',
- action: state ? 'start' : 'stop',
- mucjid: connection.emuc.roomjid});
- if (!state){
- iq.attrs({rid: jireconRid});
- }
-
- console.log('Start recording');
-
- connection.sendIQ(
- iq,
- function (result) {
- // TODO wait for an IQ with the real status, since this is
- // provisional?
- jireconRid = $(result).find('recording').attr('rid');
- console.log('Recording ' + (state ? 'started' : 'stopped') +
- '(jirecon)' + result);
- recordingEnabled = state;
- if (!state){
- jireconRid = null;
- }
-
- callback(state);
- },
- function (error) {
- console.log('Failed to start recording, error: ', error);
- callback(recordingEnabled);
- });
- }
-
- // Sends a COLIBRI message which enables or disables (according to 'state')
- // the recording on the bridge. Waits for the result IQ and calls 'callback'
- // with the new recording state, according to the IQ.
- function setRecordingColibri(state, token, callback) {
- var elem = $iq({to: focusMucJid, type: 'set'});
- elem.c('conference', {
- xmlns: 'http://jitsi.org/protocol/colibri'
- });
- elem.c('recording', {state: state, token: token});
-
- connection.sendIQ(elem,
- function (result) {
- console.log('Set recording "', state, '". Result:', result);
- var recordingElem = $(result).find('>conference>recording');
- var newState = ('true' === recordingElem.attr('state'));
-
- recordingEnabled = newState;
- callback(newState);
- },
- function (error) {
- console.warn(error);
- callback(recordingEnabled);
- }
- );
- }
-
- var Recording = {
- toggleRecording: function (tokenEmptyCallback,
- startingCallback, startedCallback) {
- if (!Moderator.isModerator()) {
- console.log(
- 'non-focus, or conference not yet organized:' +
- ' not enabling recording');
- return;
- }
-
- // Jirecon does not (currently) support a token.
- if (!recordingToken && !useJirecon) {
- tokenEmptyCallback(function (value) {
- setRecordingToken(value);
- this.toggleRecording();
- });
-
- return;
- }
-
- var oldState = recordingEnabled;
- startingCallback(!oldState);
- setRecording(!oldState,
- recordingToken,
- function (state) {
- console.log("New recording state: ", state);
- if (state === oldState) {
- // FIXME: new focus:
- // this will not work when moderator changes
- // during active session. Then it will assume that
- // recording status has changed to true, but it might have
- // been already true(and we only received actual status from
- // the focus).
- //
- // SO we start with status null, so that it is initialized
- // here and will fail only after second click, so if invalid
- // token was used we have to press the button twice before
- // current status will be fetched and token will be reset.
- //
- // Reliable way would be to return authentication error.
- // Or status update when moderator connects.
- // Or we have to stop recording session when current
- // moderator leaves the room.
-
- // Failed to change, reset the token because it might
- // have been wrong
- setRecordingToken(null);
- }
- startedCallback(state);
-
- }
- );
- }
-
- }
-
- module.exports = Recording;
- },{"./moderator":6}],8:[function(require,module,exports){
- /* jshint -W117 */
- /* a simple MUC connection plugin
- * can only handle a single MUC room
- */
-
- var bridgeIsDown = false;
-
- var Moderator = require("./moderator");
-
- module.exports = function(XMPP, eventEmitter) {
- Strophe.addConnectionPlugin('emuc', {
- connection: null,
- roomjid: null,
- myroomjid: null,
- members: {},
- list_members: [], // so we can elect a new focus
- presMap: {},
- preziMap: {},
- joined: false,
- isOwner: false,
- role: null,
- init: function (conn) {
- this.connection = conn;
- },
- initPresenceMap: function (myroomjid) {
- this.presMap['to'] = myroomjid;
- this.presMap['xns'] = 'http://jabber.org/protocol/muc';
- },
- doJoin: function (jid, password) {
- this.myroomjid = jid;
-
- console.info("Joined MUC as " + this.myroomjid);
-
- this.initPresenceMap(this.myroomjid);
-
- if (!this.roomjid) {
- this.roomjid = Strophe.getBareJidFromJid(jid);
- // add handlers (just once)
- this.connection.addHandler(this.onPresence.bind(this), null, 'presence', null, null, this.roomjid, {matchBare: true});
- this.connection.addHandler(this.onPresenceUnavailable.bind(this), null, 'presence', 'unavailable', null, this.roomjid, {matchBare: true});
- this.connection.addHandler(this.onPresenceError.bind(this), null, 'presence', 'error', null, this.roomjid, {matchBare: true});
- this.connection.addHandler(this.onMessage.bind(this), null, 'message', null, null, this.roomjid, {matchBare: true});
- }
- if (password !== undefined) {
- this.presMap['password'] = password;
- }
- this.sendPresence();
- },
- doLeave: function () {
- console.log("do leave", this.myroomjid);
- var pres = $pres({to: this.myroomjid, type: 'unavailable' });
- this.presMap.length = 0;
- this.connection.send(pres);
- },
- createNonAnonymousRoom: function () {
- // http://xmpp.org/extensions/xep-0045.html#createroom-reserved
-
- var getForm = $iq({type: 'get', to: this.roomjid})
- .c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'})
- .c('x', {xmlns: 'jabber:x:data', type: 'submit'});
-
- this.connection.sendIQ(getForm, function (form) {
-
- if (!$(form).find(
- '>query>x[xmlns="jabber:x:data"]' +
- '>field[var="muc#roomconfig_whois"]').length) {
-
- console.error('non-anonymous rooms not supported');
- return;
- }
-
- var formSubmit = $iq({to: this.roomjid, type: 'set'})
- .c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'});
-
- formSubmit.c('x', {xmlns: 'jabber:x:data', type: 'submit'});
-
- formSubmit.c('field', {'var': 'FORM_TYPE'})
- .c('value')
- .t('http://jabber.org/protocol/muc#roomconfig').up().up();
-
- formSubmit.c('field', {'var': 'muc#roomconfig_whois'})
- .c('value').t('anyone').up().up();
-
- this.connection.sendIQ(formSubmit);
-
- }, function (error) {
- console.error("Error getting room configuration form");
- });
- },
- onPresence: function (pres) {
- var from = pres.getAttribute('from');
-
- // What is this for? A workaround for something?
- if (pres.getAttribute('type')) {
- return true;
- }
-
- // Parse etherpad tag.
- var etherpad = $(pres).find('>etherpad');
- if (etherpad.length) {
- if (config.etherpad_base && !Moderator.isModerator()) {
- UI.initEtherpad(etherpad.text());
- }
- }
-
- // Parse prezi tag.
- var presentation = $(pres).find('>prezi');
- if (presentation.length) {
- var url = presentation.attr('url');
- var current = presentation.find('>current').text();
-
- console.log('presentation info received from', from, url);
-
- if (this.preziMap[from] == null) {
- this.preziMap[from] = url;
-
- $(document).trigger('presentationadded.muc', [from, url, current]);
- }
- else {
- $(document).trigger('gotoslide.muc', [from, url, current]);
- }
- }
- else if (this.preziMap[from] != null) {
- var url = this.preziMap[from];
- delete this.preziMap[from];
- $(document).trigger('presentationremoved.muc', [from, url]);
- }
-
- // Parse audio info tag.
- var audioMuted = $(pres).find('>audiomuted');
- if (audioMuted.length) {
- $(document).trigger('audiomuted.muc', [from, audioMuted.text()]);
- }
-
- // Parse video info tag.
- var videoMuted = $(pres).find('>videomuted');
- if (videoMuted.length) {
- $(document).trigger('videomuted.muc', [from, videoMuted.text()]);
- }
-
- var stats = $(pres).find('>stats');
- if (stats.length) {
- var statsObj = {};
- Strophe.forEachChild(stats[0], "stat", function (el) {
- statsObj[el.getAttribute("name")] = el.getAttribute("value");
- });
- connectionquality.updateRemoteStats(from, statsObj);
- }
-
- // Parse status.
- if ($(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="201"]').length) {
- this.isOwner = true;
- this.createNonAnonymousRoom();
- }
-
- // Parse roles.
- var member = {};
- member.show = $(pres).find('>show').text();
- member.status = $(pres).find('>status').text();
- var tmp = $(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>item');
- member.affiliation = tmp.attr('affiliation');
- member.role = tmp.attr('role');
-
- // Focus recognition
- member.jid = tmp.attr('jid');
- member.isFocus = false;
- if (member.jid
- && member.jid.indexOf(Moderator.getFocusUserJid() + "/") == 0) {
- member.isFocus = true;
- }
-
- var nicktag = $(pres).find('>nick[xmlns="http://jabber.org/protocol/nick"]');
- member.displayName = (nicktag.length > 0 ? nicktag.html() : null);
-
- if (from == this.myroomjid) {
- if (member.affiliation == 'owner') this.isOwner = true;
- if (this.role !== member.role) {
- this.role = member.role;
- if (Moderator.onLocalRoleChange)
- Moderator.onLocalRoleChange(from, member, pres);
- UI.onLocalRoleChange(from, member, pres);
- }
- if (!this.joined) {
- this.joined = true;
- eventEmitter.emit(XMPPEvents.MUC_JOINED, from, member);
- this.list_members.push(from);
- }
- } else if (this.members[from] === undefined) {
- // new participant
- this.members[from] = member;
- this.list_members.push(from);
- console.log('entered', from, member);
- if (member.isFocus) {
- focusMucJid = from;
- console.info("Ignore focus: " + from + ", real JID: " + member.jid);
- }
- else {
- var id = $(pres).find('>userID').text();
- var email = $(pres).find('>email');
- if (email.length > 0) {
- id = email.text();
- }
- UI.onMucEntered(from, id, member.displayName);
- API.triggerEvent("participantJoined", {jid: from});
- }
- } else {
- // Presence update for existing participant
- // Watch role change:
- if (this.members[from].role != member.role) {
- this.members[from].role = member.role;
- UI.onMucRoleChanged(member.role, member.displayName);
- }
- }
-
- // Always trigger presence to update bindings
- $(document).trigger('presence.muc', [from, member, pres]);
- this.parsePresence(from, member, pres);
-
- // Trigger status message update
- if (member.status) {
- UI.onMucPresenceStatus(from, member);
- }
-
- return true;
- },
- onPresenceUnavailable: function (pres) {
- var from = pres.getAttribute('from');
- // Status code 110 indicates that this notification is "self-presence".
- if (!$(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="110"]').length) {
- delete this.members[from];
- this.list_members.splice(this.list_members.indexOf(from), 1);
- this.onParticipantLeft(from);
- }
- // If the status code is 110 this means we're leaving and we would like
- // to remove everyone else from our view, so we trigger the event.
- else if (this.list_members.length > 1) {
- for (var i = 0; i < this.list_members.length; i++) {
- var member = this.list_members[i];
- delete this.members[i];
- this.list_members.splice(i, 1);
- this.onParticipantLeft(member);
- }
- }
- if ($(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="307"]').length) {
- $(document).trigger('kicked.muc', [from]);
- if (this.myroomjid === from) {
- XMPP.disposeConference(false);
- eventEmitter.emit(XMPPEvents.KICKED);
- }
- }
- return true;
- },
- onPresenceError: function (pres) {
- var from = pres.getAttribute('from');
- if ($(pres).find('>error[type="auth"]>not-authorized[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]').length) {
- console.log('on password required', from);
- var self = this;
- UI.onPasswordReqiured(function (value) {
- self.doJoin(from, value);
- });
- } else if ($(pres).find(
- '>error[type="cancel"]>not-allowed[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]').length) {
- var toDomain = Strophe.getDomainFromJid(pres.getAttribute('to'));
- if (toDomain === config.hosts.anonymousdomain) {
- // we are connected with anonymous domain and only non anonymous users can create rooms
- // we must authorize the user
- XMPP.promptLogin();
- } else {
- console.warn('onPresError ', pres);
- UI.messageHandler.openReportDialog(null,
- 'Oops! Something went wrong and we couldn`t connect to the conference.',
- pres);
- }
- } else {
- console.warn('onPresError ', pres);
- UI.messageHandler.openReportDialog(null,
- 'Oops! Something went wrong and we couldn`t connect to the conference.',
- pres);
- }
- return true;
- },
- sendMessage: function (body, nickname) {
- var msg = $msg({to: this.roomjid, type: 'groupchat'});
- msg.c('body', body).up();
- if (nickname) {
- msg.c('nick', {xmlns: 'http://jabber.org/protocol/nick'}).t(nickname).up().up();
- }
- this.connection.send(msg);
- API.triggerEvent("outgoingMessage", {"message": body});
- },
- setSubject: function (subject) {
- var msg = $msg({to: this.roomjid, type: 'groupchat'});
- msg.c('subject', subject);
- this.connection.send(msg);
- console.log("topic changed to " + subject);
- },
- onMessage: function (msg) {
- // FIXME: this is a hack. but jingle on muc makes nickchanges hard
- var from = msg.getAttribute('from');
- var nick = $(msg).find('>nick[xmlns="http://jabber.org/protocol/nick"]').text() || Strophe.getResourceFromJid(from);
-
- var txt = $(msg).find('>body').text();
- var type = msg.getAttribute("type");
- if (type == "error") {
- UI.chatAddError($(msg).find('>text').text(), txt);
- return true;
- }
-
- var subject = $(msg).find('>subject');
- if (subject.length) {
- var subjectText = subject.text();
- if (subjectText || subjectText == "") {
- UI.chatSetSubject(subjectText);
- console.log("Subject is changed to " + subjectText);
- }
- }
-
-
- if (txt) {
- console.log('chat', nick, txt);
- UI.updateChatConversation(from, nick, txt);
- if (from != this.myroomjid)
- API.triggerEvent("incomingMessage",
- {"from": from, "nick": nick, "message": txt});
- }
- return true;
- },
- lockRoom: function (key, onSuccess, onError, onNotSupported) {
- //http://xmpp.org/extensions/xep-0045.html#roomconfig
- var ob = this;
- this.connection.sendIQ($iq({to: this.roomjid, type: 'get'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'}),
- function (res) {
- if ($(res).find('>query>x[xmlns="jabber:x:data"]>field[var="muc#roomconfig_roomsecret"]').length) {
- var formsubmit = $iq({to: ob.roomjid, type: 'set'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'});
- formsubmit.c('x', {xmlns: 'jabber:x:data', type: 'submit'});
- formsubmit.c('field', {'var': 'FORM_TYPE'}).c('value').t('http://jabber.org/protocol/muc#roomconfig').up().up();
- formsubmit.c('field', {'var': 'muc#roomconfig_roomsecret'}).c('value').t(key).up().up();
- // Fixes a bug in prosody 0.9.+ https://code.google.com/p/lxmppd/issues/detail?id=373
- formsubmit.c('field', {'var': 'muc#roomconfig_whois'}).c('value').t('anyone').up().up();
- // FIXME: is muc#roomconfig_passwordprotectedroom required?
- this.connection.sendIQ(formsubmit,
- onSuccess,
- onError);
- } else {
- onNotSupported();
- }
- }, onError);
- },
- kick: function (jid) {
- var kickIQ = $iq({to: this.roomjid, type: 'set'})
- .c('query', {xmlns: 'http://jabber.org/protocol/muc#admin'})
- .c('item', {nick: Strophe.getResourceFromJid(jid), role: 'none'})
- .c('reason').t('You have been kicked.').up().up().up();
-
- this.connection.sendIQ(
- kickIQ,
- function (result) {
- console.log('Kick participant with jid: ', jid, result);
- },
- function (error) {
- console.log('Kick participant error: ', error);
- });
- },
- sendPresence: function () {
- var pres = $pres({to: this.presMap['to'] });
- pres.c('x', {xmlns: this.presMap['xns']});
-
- if (this.presMap['password']) {
- pres.c('password').t(this.presMap['password']).up();
- }
-
- pres.up();
-
- // Send XEP-0115 'c' stanza that contains our capabilities info
- if (this.connection.caps) {
- this.connection.caps.node = config.clientNode;
- pres.c('c', this.connection.caps.generateCapsAttrs()).up();
- }
-
- pres.c('user-agent', {xmlns: 'http://jitsi.org/jitmeet/user-agent'})
- .t(navigator.userAgent).up();
-
- if (this.presMap['bridgeIsDown']) {
- pres.c('bridgeIsDown').up();
- }
-
- if (this.presMap['email']) {
- pres.c('email').t(this.presMap['email']).up();
- }
-
- if (this.presMap['userId']) {
- pres.c('userId').t(this.presMap['userId']).up();
- }
-
- if (this.presMap['displayName']) {
- // XEP-0172
- pres.c('nick', {xmlns: 'http://jabber.org/protocol/nick'})
- .t(this.presMap['displayName']).up();
- }
-
- if (this.presMap['audions']) {
- pres.c('audiomuted', {xmlns: this.presMap['audions']})
- .t(this.presMap['audiomuted']).up();
- }
-
- if (this.presMap['videons']) {
- pres.c('videomuted', {xmlns: this.presMap['videons']})
- .t(this.presMap['videomuted']).up();
- }
-
- if (this.presMap['statsns']) {
- var stats = pres.c('stats', {xmlns: this.presMap['statsns']});
- for (var stat in this.presMap["stats"])
- if (this.presMap["stats"][stat] != null)
- stats.c("stat", {name: stat, value: this.presMap["stats"][stat]}).up();
- pres.up();
- }
-
- if (this.presMap['prezins']) {
- pres.c('prezi',
- {xmlns: this.presMap['prezins'],
- 'url': this.presMap['preziurl']})
- .c('current').t(this.presMap['prezicurrent']).up().up();
- }
-
- if (this.presMap['etherpadns']) {
- pres.c('etherpad', {xmlns: this.presMap['etherpadns']})
- .t(this.presMap['etherpadname']).up();
- }
-
- if (this.presMap['medians']) {
- pres.c('media', {xmlns: this.presMap['medians']});
- var sourceNumber = 0;
- Object.keys(this.presMap).forEach(function (key) {
- if (key.indexOf('source') >= 0) {
- sourceNumber++;
- }
- });
- if (sourceNumber > 0)
- for (var i = 1; i <= sourceNumber / 3; i++) {
- pres.c('source',
- {type: this.presMap['source' + i + '_type'],
- ssrc: this.presMap['source' + i + '_ssrc'],
- direction: this.presMap['source' + i + '_direction']
- || 'sendrecv' }
- ).up();
- }
- }
-
- pres.up();
- // console.debug(pres.toString());
- this.connection.send(pres);
- },
- addDisplayNameToPresence: function (displayName) {
- this.presMap['displayName'] = displayName;
- },
- addMediaToPresence: function (sourceNumber, mtype, ssrcs, direction) {
- if (!this.presMap['medians'])
- this.presMap['medians'] = 'http://estos.de/ns/mjs';
-
- this.presMap['source' + sourceNumber + '_type'] = mtype;
- this.presMap['source' + sourceNumber + '_ssrc'] = ssrcs;
- this.presMap['source' + sourceNumber + '_direction'] = direction;
- },
- clearPresenceMedia: function () {
- var self = this;
- Object.keys(this.presMap).forEach(function (key) {
- if (key.indexOf('source') != -1) {
- delete self.presMap[key];
- }
- });
- },
- addPreziToPresence: function (url, currentSlide) {
- this.presMap['prezins'] = 'http://jitsi.org/jitmeet/prezi';
- this.presMap['preziurl'] = url;
- this.presMap['prezicurrent'] = currentSlide;
- },
- removePreziFromPresence: function () {
- delete this.presMap['prezins'];
- delete this.presMap['preziurl'];
- delete this.presMap['prezicurrent'];
- },
- addCurrentSlideToPresence: function (currentSlide) {
- this.presMap['prezicurrent'] = currentSlide;
- },
- getPrezi: function (roomjid) {
- return this.preziMap[roomjid];
- },
- addEtherpadToPresence: function (etherpadName) {
- this.presMap['etherpadns'] = 'http://jitsi.org/jitmeet/etherpad';
- this.presMap['etherpadname'] = etherpadName;
- },
- addAudioInfoToPresence: function (isMuted) {
- this.presMap['audions'] = 'http://jitsi.org/jitmeet/audio';
- this.presMap['audiomuted'] = isMuted.toString();
- },
- addVideoInfoToPresence: function (isMuted) {
- this.presMap['videons'] = 'http://jitsi.org/jitmeet/video';
- this.presMap['videomuted'] = isMuted.toString();
- },
- addConnectionInfoToPresence: function (stats) {
- this.presMap['statsns'] = 'http://jitsi.org/jitmeet/stats';
- this.presMap['stats'] = stats;
- },
- findJidFromResource: function (resourceJid) {
- if (resourceJid &&
- resourceJid === Strophe.getResourceFromJid(this.myroomjid)) {
- return this.myroomjid;
- }
- var peerJid = null;
- Object.keys(this.members).some(function (jid) {
- peerJid = jid;
- return Strophe.getResourceFromJid(jid) === resourceJid;
- });
- return peerJid;
- },
- addBridgeIsDownToPresence: function () {
- this.presMap['bridgeIsDown'] = true;
- },
- addEmailToPresence: function (email) {
- this.presMap['email'] = email;
- },
- addUserIdToPresence: function (userId) {
- this.presMap['userId'] = userId;
- },
- isModerator: function () {
- return this.role === 'moderator';
- },
- getMemberRole: function (peerJid) {
- if (this.members[peerJid]) {
- return this.members[peerJid].role;
- }
- return null;
- },
- onParticipantLeft: function (jid) {
- UI.onMucLeft(jid);
-
- API.triggerEvent("participantLeft", {jid: jid});
-
- delete jid2Ssrc[jid];
-
- this.connection.jingle.terminateByJid(jid);
-
- if (this.getPrezi(jid)) {
- $(document).trigger('presentationremoved.muc',
- [jid, this.getPrezi(jid)]);
- }
-
- Moderator.onMucLeft(jid);
- },
- parsePresence: function (from, memeber, pres) {
- if($(pres).find(">bridgeIsDown").length > 0 && !bridgeIsDown) {
- bridgeIsDown = true;
- eventEmitter.emit(XMPPEvents.BRIDGE_DOWN);
- }
-
- if(memeber.isFocus)
- return;
-
- // Remove old ssrcs coming from the jid
- Object.keys(ssrc2jid).forEach(function (ssrc) {
- if (ssrc2jid[ssrc] == jid) {
- delete ssrc2jid[ssrc];
- delete ssrc2videoType[ssrc];
- }
- });
-
- var changedStreams = [];
- $(pres).find('>media[xmlns="http://estos.de/ns/mjs"]>source').each(function (idx, ssrc) {
- //console.log(jid, 'assoc ssrc', ssrc.getAttribute('type'), ssrc.getAttribute('ssrc'));
- var ssrcV = ssrc.getAttribute('ssrc');
- ssrc2jid[ssrcV] = from;
- notReceivedSSRCs.push(ssrcV);
-
- var type = ssrc.getAttribute('type');
- ssrc2videoType[ssrcV] = type;
-
- var direction = ssrc.getAttribute('direction');
-
- changedStreams.push({type: type, direction: direction});
-
- });
-
- eventEmitter.emit(XMPPEvents.CHANGED_STREAMS, from, changedStreams);
-
- var displayName = !config.displayJids
- ? memeber.displayName : Strophe.getResourceFromJid(from);
-
- if (displayName && displayName.length > 0)
- {
- // $(document).trigger('displaynamechanged',
- // [jid, displayName]);
- eventEmitter.emit(XMPPEvents.DISPLAY_NAME_CHANGED, from, displayName);
- }
-
-
- var id = $(pres).find('>userID').text();
- var email = $(pres).find('>email');
- if(email.length > 0) {
- id = email.text();
- }
-
- eventEmitter.emit(XMPPEvents.USER_ID_CHANGED, from, id);
- }
- });
- };
-
-
- },{"./moderator":6}],9:[function(require,module,exports){
- /* jshint -W117 */
-
- var JingleSession = require("./JingleSession");
-
- function CallIncomingJingle(sid, connection) {
- var sess = connection.jingle.sessions[sid];
-
- // TODO: do we check activecall == null?
- activecall = sess;
-
- statistics.onConferenceCreated(sess);
- RTC.onConferenceCreated(sess);
-
- // TODO: check affiliation and/or role
- console.log('emuc data for', sess.peerjid, connection.emuc.members[sess.peerjid]);
- sess.usedrip = true; // not-so-naive trickle ice
- sess.sendAnswer();
- sess.accept();
-
- };
-
- module.exports = function(XMPP)
- {
- Strophe.addConnectionPlugin('jingle', {
- connection: null,
- sessions: {},
- jid2session: {},
- ice_config: {iceServers: []},
- pc_constraints: {},
- media_constraints: {
- mandatory: {
- 'OfferToReceiveAudio': true,
- 'OfferToReceiveVideo': true
- }
- // MozDontOfferDataChannel: true when this is firefox
- },
- init: function (conn) {
- this.connection = conn;
- if (this.connection.disco) {
- // http://xmpp.org/extensions/xep-0167.html#support
- // http://xmpp.org/extensions/xep-0176.html#support
- this.connection.disco.addFeature('urn:xmpp:jingle:1');
- this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:1');
- this.connection.disco.addFeature('urn:xmpp:jingle:transports:ice-udp:1');
- this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:audio');
- this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:video');
-
-
- // this is dealt with by SDP O/A so we don't need to annouce this
- //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtcp-fb:0'); // XEP-0293
- //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'); // XEP-0294
- if (config.useRtcpMux) {
- this.connection.disco.addFeature('urn:ietf:rfc:5761'); // rtcp-mux
- }
- if (config.useBundle) {
- this.connection.disco.addFeature('urn:ietf:rfc:5888'); // a=group, e.g. bundle
- }
- //this.connection.disco.addFeature('urn:ietf:rfc:5576'); // a=ssrc
- }
- this.connection.addHandler(this.onJingle.bind(this), 'urn:xmpp:jingle:1', 'iq', 'set', null, null);
- },
- onJingle: function (iq) {
- var sid = $(iq).find('jingle').attr('sid');
- var action = $(iq).find('jingle').attr('action');
- var fromJid = iq.getAttribute('from');
- // send ack first
- var ack = $iq({type: 'result',
- to: fromJid,
- id: iq.getAttribute('id')
- });
- console.log('on jingle ' + action + ' from ' + fromJid, iq);
- var sess = this.sessions[sid];
- if ('session-initiate' != action) {
- if (sess === null) {
- ack.type = 'error';
- ack.c('error', {type: 'cancel'})
- .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()
- .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});
- this.connection.send(ack);
- return true;
- }
- // compare from to sess.peerjid (bare jid comparison for later compat with message-mode)
- // local jid is not checked
- if (Strophe.getBareJidFromJid(fromJid) != Strophe.getBareJidFromJid(sess.peerjid)) {
- console.warn('jid mismatch for session id', sid, fromJid, sess.peerjid);
- ack.type = 'error';
- ack.c('error', {type: 'cancel'})
- .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()
- .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});
- this.connection.send(ack);
- return true;
- }
- } else if (sess !== undefined) {
- // existing session with same session id
- // this might be out-of-order if the sess.peerjid is the same as from
- ack.type = 'error';
- ack.c('error', {type: 'cancel'})
- .c('service-unavailable', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up();
- console.warn('duplicate session id', sid);
- this.connection.send(ack);
- return true;
- }
- // FIXME: check for a defined action
- this.connection.send(ack);
- // see http://xmpp.org/extensions/xep-0166.html#concepts-session
- switch (action) {
- case 'session-initiate':
- sess = new JingleSession(
- $(iq).attr('to'), $(iq).find('jingle').attr('sid'),
- this.connection, XMPP);
- // configure session
-
- sess.media_constraints = this.media_constraints;
- sess.pc_constraints = this.pc_constraints;
- sess.ice_config = this.ice_config;
-
- sess.initiate(fromJid, false);
- // FIXME: setRemoteDescription should only be done when this call is to be accepted
- sess.setRemoteDescription($(iq).find('>jingle'), 'offer');
-
- this.sessions[sess.sid] = sess;
- this.jid2session[sess.peerjid] = sess;
-
- // the callback should either
- // .sendAnswer and .accept
- // or .sendTerminate -- not necessarily synchronus
- CallIncomingJingle(sess.sid, this.connection);
- break;
- case 'session-accept':
- sess.setRemoteDescription($(iq).find('>jingle'), 'answer');
- sess.accept();
- $(document).trigger('callaccepted.jingle', [sess.sid]);
- break;
- case 'session-terminate':
- // If this is not the focus sending the terminate, we have
- // nothing more to do here.
- if (Object.keys(this.sessions).length < 1
- || !(this.sessions[Object.keys(this.sessions)[0]]
- instanceof JingleSession))
- {
- break;
- }
- console.log('terminating...', sess.sid);
- sess.terminate();
- this.terminate(sess.sid);
- if ($(iq).find('>jingle>reason').length) {
- $(document).trigger('callterminated.jingle', [
- sess.sid,
- sess.peerjid,
- $(iq).find('>jingle>reason>:first')[0].tagName,
- $(iq).find('>jingle>reason>text').text()
- ]);
- } else {
- $(document).trigger('callterminated.jingle',
- [sess.sid, sess.peerjid]);
- }
- break;
- case 'transport-info':
- sess.addIceCandidate($(iq).find('>jingle>content'));
- break;
- case 'session-info':
- var affected;
- if ($(iq).find('>jingle>ringing[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
- $(document).trigger('ringing.jingle', [sess.sid]);
- } else if ($(iq).find('>jingle>mute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
- affected = $(iq).find('>jingle>mute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').attr('name');
- $(document).trigger('mute.jingle', [sess.sid, affected]);
- } else if ($(iq).find('>jingle>unmute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
- affected = $(iq).find('>jingle>unmute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').attr('name');
- $(document).trigger('unmute.jingle', [sess.sid, affected]);
- }
- break;
- case 'addsource': // FIXME: proprietary, un-jingleish
- case 'source-add': // FIXME: proprietary
- sess.addSource($(iq).find('>jingle>content'), fromJid);
- break;
- case 'removesource': // FIXME: proprietary, un-jingleish
- case 'source-remove': // FIXME: proprietary
- sess.removeSource($(iq).find('>jingle>content'), fromJid);
- break;
- default:
- console.warn('jingle action not implemented', action);
- break;
- }
- return true;
- },
- initiate: function (peerjid, myjid) { // initiate a new jinglesession to peerjid
- var sess = new JingleSession(myjid || this.connection.jid,
- Math.random().toString(36).substr(2, 12), // random string
- this.connection, XMPP);
- // configure session
-
- sess.media_constraints = this.media_constraints;
- sess.pc_constraints = this.pc_constraints;
- sess.ice_config = this.ice_config;
-
- sess.initiate(peerjid, true);
- this.sessions[sess.sid] = sess;
- this.jid2session[sess.peerjid] = sess;
- sess.sendOffer();
- return sess;
- },
- terminate: function (sid, reason, text) { // terminate by sessionid (or all sessions)
- if (sid === null || sid === undefined) {
- for (sid in this.sessions) {
- if (this.sessions[sid].state != 'ended') {
- this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);
- this.sessions[sid].terminate();
- }
- delete this.jid2session[this.sessions[sid].peerjid];
- delete this.sessions[sid];
- }
- } else if (this.sessions.hasOwnProperty(sid)) {
- if (this.sessions[sid].state != 'ended') {
- this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);
- this.sessions[sid].terminate();
- }
- delete this.jid2session[this.sessions[sid].peerjid];
- delete this.sessions[sid];
- }
- },
- // Used to terminate a session when an unavailable presence is received.
- terminateByJid: function (jid) {
- if (this.jid2session.hasOwnProperty(jid)) {
- var sess = this.jid2session[jid];
- if (sess) {
- sess.terminate();
- console.log('peer went away silently', jid);
- delete this.sessions[sess.sid];
- delete this.jid2session[jid];
- $(document).trigger('callterminated.jingle',
- [sess.sid, jid], 'gone');
- }
- }
- },
- terminateRemoteByJid: function (jid, reason) {
- if (this.jid2session.hasOwnProperty(jid)) {
- var sess = this.jid2session[jid];
- if (sess) {
- sess.sendTerminate(reason || (!sess.active()) ? 'kick' : null);
- sess.terminate();
- console.log('terminate peer with jid', sess.sid, jid);
- delete this.sessions[sess.sid];
- delete this.jid2session[jid];
- $(document).trigger('callterminated.jingle',
- [sess.sid, jid, 'kicked']);
- }
- }
- },
- getStunAndTurnCredentials: function () {
- // get stun and turn configuration from server via xep-0215
- // uses time-limited credentials as described in
- // http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00
- //
- // see https://code.google.com/p/prosody-modules/source/browse/mod_turncredentials/mod_turncredentials.lua
- // for a prosody module which implements this
- //
- // currently, this doesn't work with updateIce and therefore credentials with a long
- // validity have to be fetched before creating the peerconnection
- // TODO: implement refresh via updateIce as described in
- // https://code.google.com/p/webrtc/issues/detail?id=1650
- var self = this;
- this.connection.sendIQ(
- $iq({type: 'get', to: this.connection.domain})
- .c('services', {xmlns: 'urn:xmpp:extdisco:1'}).c('service', {host: 'turn.' + this.connection.domain}),
- function (res) {
- var iceservers = [];
- $(res).find('>services>service').each(function (idx, el) {
- el = $(el);
- var dict = {};
- var type = el.attr('type');
- switch (type) {
- case 'stun':
- dict.url = 'stun:' + el.attr('host');
- if (el.attr('port')) {
- dict.url += ':' + el.attr('port');
- }
- iceservers.push(dict);
- break;
- case 'turn':
- case 'turns':
- dict.url = type + ':';
- if (el.attr('username')) { // https://code.google.com/p/webrtc/issues/detail?id=1508
- if (navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./) && parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10) < 28) {
- dict.url += el.attr('username') + '@';
- } else {
- dict.username = el.attr('username'); // only works in M28
- }
- }
- dict.url += el.attr('host');
- if (el.attr('port') && el.attr('port') != '3478') {
- dict.url += ':' + el.attr('port');
- }
- if (el.attr('transport') && el.attr('transport') != 'udp') {
- dict.url += '?transport=' + el.attr('transport');
- }
- if (el.attr('password')) {
- dict.credential = el.attr('password');
- }
- iceservers.push(dict);
- break;
- }
- });
- self.ice_config.iceServers = iceservers;
- },
- function (err) {
- console.warn('getting turn credentials failed', err);
- console.warn('is mod_turncredentials or similar installed?');
- }
- );
- // implement push?
- },
-
- /**
- * Populates the log data
- */
- populateData: function () {
- var data = {};
- Object.keys(this.sessions).forEach(function (sid) {
- var session = this.sessions[sid];
- if (session.peerconnection && session.peerconnection.updateLog) {
- // FIXME: should probably be a .dump call
- data["jingle_" + session.sid] = {
- updateLog: session.peerconnection.updateLog,
- stats: session.peerconnection.stats,
- url: window.location.href
- };
- }
- });
- return data;
- }
- });
- };
-
-
- },{"./JingleSession":1}],10:[function(require,module,exports){
- /* global Strophe */
- module.exports = function () {
-
- Strophe.addConnectionPlugin('logger', {
- // logs raw stanzas and makes them available for download as JSON
- connection: null,
- log: [],
- init: function (conn) {
- this.connection = conn;
- this.connection.rawInput = this.log_incoming.bind(this);
- this.connection.rawOutput = this.log_outgoing.bind(this);
- },
- log_incoming: function (stanza) {
- this.log.push([new Date().getTime(), 'incoming', stanza]);
- },
- log_outgoing: function (stanza) {
- this.log.push([new Date().getTime(), 'outgoing', stanza]);
- }
- });
- };
- },{}],11:[function(require,module,exports){
- /* global $, $iq, config, connection, focusMucJid, forceMuted,
- setAudioMuted, Strophe */
- /**
- * Moderate connection plugin.
- */
- module.exports = function (XMPP) {
- Strophe.addConnectionPlugin('moderate', {
- connection: null,
- init: function (conn) {
- this.connection = conn;
-
- this.connection.addHandler(this.onMute.bind(this),
- 'http://jitsi.org/jitmeet/audio',
- 'iq',
- 'set',
- null,
- null);
- },
- setMute: function (jid, mute) {
- console.info("set mute", mute);
- var iqToFocus = $iq({to: focusMucJid, type: 'set'})
- .c('mute', {
- xmlns: 'http://jitsi.org/jitmeet/audio',
- jid: jid
- })
- .t(mute.toString())
- .up();
-
- this.connection.sendIQ(
- iqToFocus,
- function (result) {
- console.log('set mute', result);
- },
- function (error) {
- console.log('set mute error', error);
- });
- },
- onMute: function (iq) {
- var from = iq.getAttribute('from');
- if (from !== focusMucJid) {
- console.warn("Ignored mute from non focus peer");
- return false;
- }
- var mute = $(iq).find('mute');
- if (mute.length) {
- var doMuteAudio = mute.text() === "true";
- UI.setAudioMuted(doMuteAudio);
- XMPP.forceMuted = doMuteAudio;
- }
- return true;
- },
- eject: function (jid) {
- // We're not the focus, so can't terminate
- //connection.jingle.terminateRemoteByJid(jid, 'kick');
- this.connection.emuc.kick(jid);
- }
- });
- }
- },{}],12:[function(require,module,exports){
- /* jshint -W117 */
- module.exports = function() {
- Strophe.addConnectionPlugin('rayo',
- {
- RAYO_XMLNS: 'urn:xmpp:rayo:1',
- connection: null,
- init: function (conn) {
- this.connection = conn;
- if (this.connection.disco) {
- this.connection.disco.addFeature('urn:xmpp:rayo:client:1');
- }
-
- this.connection.addHandler(
- this.onRayo.bind(this), this.RAYO_XMLNS, 'iq', 'set', null, null);
- },
- onRayo: function (iq) {
- console.info("Rayo IQ", iq);
- },
- dial: function (to, from, roomName, roomPass) {
- var self = this;
- var req = $iq(
- {
- type: 'set',
- to: focusMucJid
- }
- );
- req.c('dial',
- {
- xmlns: this.RAYO_XMLNS,
- to: to,
- from: from
- });
- req.c('header',
- {
- name: 'JvbRoomName',
- value: roomName
- }).up();
-
- if (roomPass !== null && roomPass.length) {
-
- req.c('header',
- {
- name: 'JvbRoomPassword',
- value: roomPass
- }).up();
- }
-
- this.connection.sendIQ(
- req,
- function (result) {
- console.info('Dial result ', result);
-
- var resource = $(result).find('ref').attr('uri');
- this.call_resource = resource.substr('xmpp:'.length);
- console.info(
- "Received call resource: " + this.call_resource);
- },
- function (error) {
- console.info('Dial error ', error);
- }
- );
- },
- hang_up: function () {
- if (!this.call_resource) {
- console.warn("No call in progress");
- return;
- }
-
- var self = this;
- var req = $iq(
- {
- type: 'set',
- to: this.call_resource
- }
- );
- req.c('hangup',
- {
- xmlns: this.RAYO_XMLNS
- });
-
- this.connection.sendIQ(
- req,
- function (result) {
- console.info('Hangup result ', result);
- self.call_resource = null;
- },
- function (error) {
- console.info('Hangup error ', error);
- self.call_resource = null;
- }
- );
- }
- }
- );
- };
-
- },{}],13:[function(require,module,exports){
- /**
- * Strophe logger implementation. Logs from level WARN and above.
- */
- module.exports = function () {
-
- Strophe.log = function (level, msg) {
- switch (level) {
- case Strophe.LogLevel.WARN:
- console.warn("Strophe: " + msg);
- break;
- case Strophe.LogLevel.ERROR:
- case Strophe.LogLevel.FATAL:
- console.error("Strophe: " + msg);
- break;
- }
- };
-
- Strophe.getStatusString = function (status) {
- switch (status) {
- case Strophe.Status.ERROR:
- return "ERROR";
- case Strophe.Status.CONNECTING:
- return "CONNECTING";
- case Strophe.Status.CONNFAIL:
- return "CONNFAIL";
- case Strophe.Status.AUTHENTICATING:
- return "AUTHENTICATING";
- case Strophe.Status.AUTHFAIL:
- return "AUTHFAIL";
- case Strophe.Status.CONNECTED:
- return "CONNECTED";
- case Strophe.Status.DISCONNECTED:
- return "DISCONNECTED";
- case Strophe.Status.DISCONNECTING:
- return "DISCONNECTING";
- case Strophe.Status.ATTACHED:
- return "ATTACHED";
- default:
- return "unknown";
- }
- };
- };
-
- },{}],14:[function(require,module,exports){
- var Moderator = require("./moderator");
- var EventEmitter = require("events");
- var Recording = require("./recording");
- var SDP = require("./SDP");
-
- var eventEmitter = new EventEmitter();
- var connection = null;
- var authenticatedUser = false;
- var activecall = null;
-
- function connect(jid, password, uiCredentials) {
- var bosh
- = uiCredentials.bosh || config.bosh || '/http-bind';
- connection = new Strophe.Connection(bosh);
- Moderator.setConnection(connection);
-
- var settings = UI.getSettings();
- var email = settings.email;
- var displayName = settings.displayName;
- if(email) {
- connection.emuc.addEmailToPresence(email);
- } else {
- connection.emuc.addUserIdToPresence(settings.uid);
- }
- if(displayName) {
- connection.emuc.addDisplayNameToPresence(displayName);
- }
-
- if (connection.disco) {
- // for chrome, add multistream cap
- }
- connection.jingle.pc_constraints = RTC.getPCConstraints();
- if (config.useIPv6) {
- // https://code.google.com/p/webrtc/issues/detail?id=2828
- if (!connection.jingle.pc_constraints.optional)
- connection.jingle.pc_constraints.optional = [];
- connection.jingle.pc_constraints.optional.push({googIPv6: true});
- }
-
- if(!password)
- password = uiCredentials.password;
-
- var anonymousConnectionFailed = false;
- connection.connect(jid, password, function (status, msg) {
- console.log('Strophe status changed to',
- Strophe.getStatusString(status));
- if (status === Strophe.Status.CONNECTED) {
- if (config.useStunTurn) {
- connection.jingle.getStunAndTurnCredentials();
- }
- UI.disableConnect();
-
- console.info("My Jabber ID: " + connection.jid);
-
- if(password)
- authenticatedUser = true;
- maybeDoJoin();
- } else if (status === Strophe.Status.CONNFAIL) {
- if(msg === 'x-strophe-bad-non-anon-jid') {
- anonymousConnectionFailed = true;
- }
- } else if (status === Strophe.Status.DISCONNECTED) {
- if(anonymousConnectionFailed) {
- // prompt user for username and password
- XMPP.promptLogin();
- }
- } else if (status === Strophe.Status.AUTHFAIL) {
- // wrong password or username, prompt user
- XMPP.promptLogin();
-
- }
- });
- }
-
-
-
- function maybeDoJoin() {
- if (connection && connection.connected &&
- Strophe.getResourceFromJid(connection.jid)
- && (RTC.localAudio || RTC.localVideo)) {
- // .connected is true while connecting?
- doJoin();
- }
- }
-
- function doJoin() {
- var roomName = UI.generateRoomName();
-
- Moderator.allocateConferenceFocus(
- roomName, UI.checkForNicknameAndJoin);
- }
-
- function initStrophePlugins()
- {
- require("./strophe.emuc")(XMPP, eventEmitter);
- require("./strophe.jingle")();
- require("./strophe.moderate")(XMPP);
- require("./strophe.util")();
- require("./strophe.rayo")();
- require("./strophe.logger")();
- }
-
- function registerListeners() {
- RTC.addStreamListener(maybeDoJoin,
- StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);
- }
-
- function setupEvents() {
- $(window).bind('beforeunload', function () {
- if (connection && connection.connected) {
- // ensure signout
- $.ajax({
- type: 'POST',
- url: config.bosh,
- async: false,
- cache: false,
- contentType: 'application/xml',
- data: "<body rid='" + (connection.rid || connection._proto.rid)
- + "' xmlns='http://jabber.org/protocol/httpbind' sid='"
- + (connection.sid || connection._proto.sid)
- + "' type='terminate'>" +
- "<presence xmlns='jabber:client' type='unavailable'/>" +
- "</body>",
- success: function (data) {
- console.log('signed out');
- console.log(data);
- },
- error: function (XMLHttpRequest, textStatus, errorThrown) {
- console.log('signout error',
- textStatus + ' (' + errorThrown + ')');
- }
- });
- }
- XMPP.disposeConference(true);
- });
- }
-
- var XMPP = {
- sessionTerminated: false,
- /**
- * Remembers if we were muted by the focus.
- * @type {boolean}
- */
- forceMuted: false,
- start: function (uiCredentials) {
- setupEvents();
- initStrophePlugins();
- registerListeners();
- Moderator.init();
- var jid = uiCredentials.jid ||
- config.hosts.anonymousdomain ||
- config.hosts.domain ||
- window.location.hostname;
- connect(jid, null, uiCredentials);
- },
- promptLogin: function () {
- UI.showLoginPopup(connect);
- },
- joinRooom: function(roomName, useNicks, nick)
- {
- var roomjid;
- roomjid = roomName;
-
- if (useNicks) {
- if (nick) {
- roomjid += '/' + nick;
- } else {
- roomjid += '/' + Strophe.getNodeFromJid(connection.jid);
- }
- } else {
-
- var tmpJid = Strophe.getNodeFromJid(connection.jid);
-
- if(!authenticatedUser)
- tmpJid = tmpJid.substr(0, 8);
-
- roomjid += '/' + tmpJid;
- }
- connection.emuc.doJoin(roomjid);
- },
- myJid: function () {
- if(!connection)
- return null;
- return connection.emuc.myroomjid;
- },
- myResource: function () {
- if(!connection || ! connection.emuc.myroomjid)
- return null;
- return Strophe.getResourceFromJid(connection.emuc.myroomjid);
- },
- disposeConference: function (onUnload) {
- eventEmitter.emit(XMPPEvents.DISPOSE_CONFERENCE, onUnload);
- var handler = activecall;
- if (handler && handler.peerconnection) {
- // FIXME: probably removing streams is not required and close() should
- // be enough
- if (RTC.localAudio) {
- handler.peerconnection.removeStream(RTC.localAudio.getOriginalStream(), onUnload);
- }
- if (RTC.localVideo) {
- handler.peerconnection.removeStream(RTC.localVideo.getOriginalStream(), onUnload);
- }
- handler.peerconnection.close();
- }
- activecall = null;
- if(!onUnload)
- {
- this.sessionTerminated = true;
- connection.emuc.doLeave();
- }
- },
- addListener: function(type, listener)
- {
- eventEmitter.on(type, listener);
- },
- removeListener: function (type, listener) {
- eventEmitter.removeListener(type, listener);
- },
- allocateConferenceFocus: function(roomName, callback) {
- Moderator.allocateConferenceFocus(roomName, callback);
- },
- isModerator: function () {
- return Moderator.isModerator();
- },
- isSipGatewayEnabled: function () {
- return Moderator.isSipGatewayEnabled();
- },
- isExternalAuthEnabled: function () {
- return Moderator.isExternalAuthEnabled();
- },
- switchStreams: function (stream, oldStream, callback) {
- if (activecall) {
- // FIXME: will block switchInProgress on true value in case of exception
- activecall.switchStreams(stream, oldStream, callback);
- } else {
- // We are done immediately
- console.error("No conference handler");
- UI.messageHandler.showError('Error',
- 'Unable to switch video stream.');
- callback();
- }
- },
- setVideoMute: function (mute, callback, options) {
- if(activecall && connection && RTC.localVideo)
- {
- activecall.setVideoMute(mute, callback, options);
- }
- },
- setAudioMute: function (mute, callback) {
- if (!(connection && RTC.localAudio)) {
- return false;
- }
-
-
- if (this.forceMuted && !mute) {
- console.info("Asking focus for unmute");
- connection.moderate.setMute(connection.emuc.myroomjid, mute);
- // FIXME: wait for result before resetting muted status
- this.forceMuted = false;
- }
-
- if (mute == RTC.localAudio.isMuted()) {
- // Nothing to do
- return true;
- }
-
- // It is not clear what is the right way to handle multiple tracks.
- // So at least make sure that they are all muted or all unmuted and
- // that we send presence just once.
- RTC.localAudio.mute();
- // isMuted is the opposite of audioEnabled
- connection.emuc.addAudioInfoToPresence(mute);
- connection.emuc.sendPresence();
- callback();
- return true;
- },
- // Really mute video, i.e. dont even send black frames
- muteVideo: function (pc, unmute) {
- // FIXME: this probably needs another of those lovely state safeguards...
- // which checks for iceconn == connected and sigstate == stable
- pc.setRemoteDescription(pc.remoteDescription,
- function () {
- pc.createAnswer(
- function (answer) {
- var sdp = new SDP(answer.sdp);
- if (sdp.media.length > 1) {
- if (unmute)
- sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
- else
- sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
- sdp.raw = sdp.session + sdp.media.join('');
- answer.sdp = sdp.raw;
- }
- pc.setLocalDescription(answer,
- function () {
- console.log('mute SLD ok');
- },
- function (error) {
- console.log('mute SLD error');
- UI.messageHandler.showError('Error',
- 'Oops! Something went wrong and we failed to ' +
- 'mute! (SLD Failure)');
- }
- );
- },
- function (error) {
- console.log(error);
- UI.messageHandler.showError();
- }
- );
- },
- function (error) {
- console.log('muteVideo SRD error');
- UI.messageHandler.showError('Error',
- 'Oops! Something went wrong and we failed to stop video!' +
- '(SRD Failure)');
-
- }
- );
- },
- toggleRecording: function (tokenEmptyCallback,
- startingCallback, startedCallback) {
- Recording.toggleRecording(tokenEmptyCallback,
- startingCallback, startedCallback);
- },
- addToPresence: function (name, value, dontSend) {
- switch (name)
- {
- case "displayName":
- connection.emuc.addDisplayNameToPresence(value);
- break;
- case "etherpad":
- connection.emuc.addEtherpadToPresence(value);
- break;
- case "prezi":
- connection.emuc.addPreziToPresence(value, 0);
- break;
- case "preziSlide":
- connection.emuc.addCurrentSlideToPresence(value);
- break;
- case "connectionQuality":
- connection.emuc.addConnectionInfoToPresence(value);
- break;
- case "email":
- connection.emuc.addEmailToPresence(value);
- default :
- console.log("Unknown tag for presence.");
- return;
- }
- if(!dontSend)
- connection.emuc.sendPresence();
- },
- sendLogs: function (content) {
- // XEP-0337-ish
- var message = $msg({to: focusMucJid, type: 'normal'});
- message.c('log', { xmlns: 'urn:xmpp:eventlog',
- id: 'PeerConnectionStats'});
- message.c('message').t(content).up();
- if (deflate) {
- message.c('tag', {name: "deflated", value: "true"}).up();
- }
- message.up();
-
- connection.send(message);
- },
- populateData: function () {
- var data = {};
- if (connection.jingle) {
- data = connection.jingle.populateData();
- }
- return data;
- },
- getLogger: function () {
- if(connection.logger)
- return connection.logger.log;
- return null;
- },
- getPrezi: function () {
- return connection.emuc.getPrezi(this.myJid());
- },
- removePreziFromPresence: function () {
- connection.emuc.removePreziFromPresence();
- connection.emuc.sendPresence();
- },
- sendChatMessage: function (message, nickname) {
- connection.emuc.sendMessage(message, nickname);
- },
- setSubject: function (topic) {
- connection.emuc.setSubject(topic);
- },
- lockRoom: function (key, onSuccess, onError, onNotSupported) {
- connection.emuc.lockRoom(key, onSuccess, onError, onNotSupported);
- },
- dial: function (to, from, roomName,roomPass) {
- connection.rayo.dial(to, from, roomName,roomPass);
- },
- setMute: function (jid, mute) {
- connection.moderate.setMute(jid, mute);
- },
- eject: function (jid) {
- connection.moderate.eject(jid);
- },
- findJidFromResource: function (resource) {
- connection.emuc.findJidFromResource(resource);
- },
- getMembers: function () {
- return connection.emuc.members;
- }
-
- };
-
- module.exports = XMPP;
- },{"./SDP":2,"./moderator":6,"./recording":7,"./strophe.emuc":8,"./strophe.jingle":9,"./strophe.logger":10,"./strophe.moderate":11,"./strophe.rayo":12,"./strophe.util":13,"events":15}],15:[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
- } else {
- throw TypeError('Uncaught, unspecified "error" event.');
- }
- return false;
- }
- }
-
- 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;
- }
-
- },{}]},{},[14])(14)
- });
- //# 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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})","/* jshint -W117 */\nvar TraceablePeerConnection = require(\"./TraceablePeerConnection\");\nvar SDPDiffer = require(\"./SDPDiffer\");\nvar SDPUtil = require(\"./SDPUtil\");\nvar SDP = require(\"./SDP\");\n\n// Jingle stuff\nfunction JingleSession(me, sid, connection, service) {\n    this.me = me;\n    this.sid = sid;\n    this.connection = connection;\n    this.initiator = null;\n    this.responder = null;\n    this.isInitiator = null;\n    this.peerjid = null;\n    this.state = null;\n    this.localSDP = null;\n    this.remoteSDP = null;\n    this.relayedStreams = [];\n    this.startTime = null;\n    this.stopTime = null;\n    this.media_constraints = null;\n    this.pc_constraints = null;\n    this.ice_config = {};\n    this.drip_container = [];\n    this.service = service;\n\n    this.usetrickle = true;\n    this.usepranswer = false; // early transport warmup -- mind you, this might fail. depends on webrtc issue 1718\n    this.usedrip = false; // dripping is sending trickle candidates not one-by-one\n\n    this.hadstuncandidate = false;\n    this.hadturncandidate = false;\n    this.lasticecandidate = false;\n\n    this.statsinterval = null;\n\n    this.reason = null;\n\n    this.addssrc = [];\n    this.removessrc = [];\n    this.pendingop = null;\n    this.switchstreams = false;\n\n    this.wait = true;\n    this.localStreamsSSRC = null;\n\n    /**\n     * The indicator which determines whether the (local) video has been muted\n     * in response to a user command in contrast to an automatic decision made\n     * by the application logic.\n     */\n    this.videoMuteByUser = false;\n}\n\nJingleSession.prototype.initiate = function (peerjid, isInitiator) {\n    var self = this;\n    if (this.state !== null) {\n        console.error('attempt to initiate on session ' + this.sid +\n            'in state ' + this.state);\n        return;\n    }\n    this.isInitiator = isInitiator;\n    this.state = 'pending';\n    this.initiator = isInitiator ? this.me : peerjid;\n    this.responder = !isInitiator ? this.me : peerjid;\n    this.peerjid = peerjid;\n    this.hadstuncandidate = false;\n    this.hadturncandidate = false;\n    this.lasticecandidate = false;\n\n    this.peerconnection\n        = new TraceablePeerConnection(\n            this.connection.jingle.ice_config,\n            this.connection.jingle.pc_constraints );\n\n    this.peerconnection.onicecandidate = function (event) {\n        self.sendIceCandidate(event.candidate);\n    };\n    this.peerconnection.onaddstream = function (event) {\n        console.log(\"REMOTE STREAM ADDED: \" + event.stream + \" - \" + event.stream.id);\n        self.remoteStreamAdded(event);\n    };\n    this.peerconnection.onremovestream = function (event) {\n        // Remove the stream from remoteStreams\n        // FIXME: remotestreamremoved.jingle not defined anywhere(unused)\n        $(document).trigger('remotestreamremoved.jingle', [event, self.sid]);\n    };\n    this.peerconnection.onsignalingstatechange = function (event) {\n        if (!(self && self.peerconnection)) return;\n    };\n    this.peerconnection.oniceconnectionstatechange = function (event) {\n        if (!(self && self.peerconnection)) return;\n        switch (self.peerconnection.iceConnectionState) {\n            case 'connected':\n                this.startTime = new Date();\n                break;\n            case 'disconnected':\n                this.stopTime = new Date();\n                break;\n        }\n        onIceConnectionStateChange(self.sid, self);\n    };\n    // add any local and relayed stream\n    RTC.localStreams.forEach(function(stream) {\n        self.peerconnection.addStream(stream.getOriginalStream());\n    });\n    this.relayedStreams.forEach(function(stream) {\n        self.peerconnection.addStream(stream);\n    });\n};\n\nfunction onIceConnectionStateChange(sid, session) {\n    switch (session.peerconnection.iceConnectionState) {\n        case 'checking':\n            session.timeChecking = (new Date()).getTime();\n            session.firstconnect = true;\n            break;\n        case 'completed': // on caller side\n        case 'connected':\n            if (session.firstconnect) {\n                session.firstconnect = false;\n                var metadata = {};\n                metadata.setupTime\n                    = (new Date()).getTime() - session.timeChecking;\n                session.peerconnection.getStats(function (res) {\n                    if(res && res.result) {\n                        res.result().forEach(function (report) {\n                            if (report.type == 'googCandidatePair' &&\n                                report.stat('googActiveConnection') == 'true') {\n                                metadata.localCandidateType\n                                    = report.stat('googLocalCandidateType');\n                                metadata.remoteCandidateType\n                                    = report.stat('googRemoteCandidateType');\n\n                                // log pair as well so we can get nice pie\n                                // charts\n                                metadata.candidatePair\n                                    = report.stat('googLocalCandidateType') +\n                                        ';' +\n                                        report.stat('googRemoteCandidateType');\n\n                                if (report.stat('googRemoteAddress').indexOf('[') === 0)\n                                {\n                                    metadata.ipv6 = true;\n                                }\n                            }\n                        });\n                    }\n                });\n            }\n            break;\n    }\n}\n\nJingleSession.prototype.accept = function () {\n    var self = this;\n    this.state = 'active';\n\n    var pranswer = this.peerconnection.localDescription;\n    if (!pranswer || pranswer.type != 'pranswer') {\n        return;\n    }\n    console.log('going from pranswer to answer');\n    if (this.usetrickle) {\n        // remove candidates already sent from session-accept\n        var lines = SDPUtil.find_lines(pranswer.sdp, 'a=candidate:');\n        for (var i = 0; i < lines.length; i++) {\n            pranswer.sdp = pranswer.sdp.replace(lines[i] + '\\r\\n', '');\n        }\n    }\n    while (SDPUtil.find_line(pranswer.sdp, 'a=inactive')) {\n        // FIXME: change any inactive to sendrecv or whatever they were originally\n        pranswer.sdp = pranswer.sdp.replace('a=inactive', 'a=sendrecv');\n    }\n    pranswer = simulcast.reverseTransformLocalDescription(pranswer);\n    var prsdp = new SDP(pranswer.sdp);\n    var accept = $iq({to: this.peerjid,\n        type: 'set'})\n        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n            action: 'session-accept',\n            initiator: this.initiator,\n            responder: this.responder,\n            sid: this.sid });\n    prsdp.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder', this.localStreamsSSRC);\n    var sdp = this.peerconnection.localDescription.sdp;\n    while (SDPUtil.find_line(sdp, 'a=inactive')) {\n        // FIXME: change any inactive to sendrecv or whatever they were originally\n        sdp = sdp.replace('a=inactive', 'a=sendrecv');\n    }\n    var self = this;\n    this.peerconnection.setLocalDescription(new RTCSessionDescription({type: 'answer', sdp: sdp}),\n        function () {\n            //console.log('setLocalDescription success');\n            self.setLocalDescription();\n\n            self.connection.sendIQ(accept,\n                function () {\n                    var ack = {};\n                    ack.source = 'answer';\n                    $(document).trigger('ack.jingle', [self.sid, ack]);\n                },\n                function (stanza) {\n                    var error = ($(stanza).find('error').length) ? {\n                        code: $(stanza).find('error').attr('code'),\n                        reason: $(stanza).find('error :first')[0].tagName\n                    }:{};\n                    error.source = 'answer';\n                    JingleSession.onJingleError(self.sid, error);\n                },\n                10000);\n        },\n        function (e) {\n            console.error('setLocalDescription failed', e);\n        }\n    );\n};\n\nJingleSession.prototype.terminate = function (reason) {\n    this.state = 'ended';\n    this.reason = reason;\n    this.peerconnection.close();\n    if (this.statsinterval !== null) {\n        window.clearInterval(this.statsinterval);\n        this.statsinterval = null;\n    }\n};\n\nJingleSession.prototype.active = function () {\n    return this.state == 'active';\n};\n\nJingleSession.prototype.sendIceCandidate = function (candidate) {\n    var self = this;\n    if (candidate && !this.lasticecandidate) {\n        var ice = SDPUtil.iceparams(this.localSDP.media[candidate.sdpMLineIndex], this.localSDP.session);\n        var jcand = SDPUtil.candidateToJingle(candidate.candidate);\n        if (!(ice && jcand)) {\n            console.error('failed to get ice && jcand');\n            return;\n        }\n        ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';\n\n        if (jcand.type === 'srflx') {\n            this.hadstuncandidate = true;\n        } else if (jcand.type === 'relay') {\n            this.hadturncandidate = true;\n        }\n\n        if (this.usetrickle) {\n            if (this.usedrip) {\n                if (this.drip_container.length === 0) {\n                    // start 20ms callout\n                    window.setTimeout(function () {\n                        if (self.drip_container.length === 0) return;\n                        self.sendIceCandidates(self.drip_container);\n                        self.drip_container = [];\n                    }, 20);\n\n                }\n                this.drip_container.push(candidate);\n                return;\n            } else {\n                self.sendIceCandidate([candidate]);\n            }\n        }\n    } else {\n        //console.log('sendIceCandidate: last candidate.');\n        if (!this.usetrickle) {\n            //console.log('should send full offer now...');\n            var init = $iq({to: this.peerjid,\n                type: 'set'})\n                .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n                    action: this.peerconnection.localDescription.type == 'offer' ? 'session-initiate' : 'session-accept',\n                    initiator: this.initiator,\n                    sid: this.sid});\n            this.localSDP = new SDP(this.peerconnection.localDescription.sdp);\n            var self = this;\n            var sendJingle = function (ssrc) {\n                if(!ssrc)\n                    ssrc = {};\n                self.localSDP.toJingle(init, self.initiator == self.me ? 'initiator' : 'responder', ssrc);\n                self.connection.sendIQ(init,\n                    function () {\n                        //console.log('session initiate ack');\n                        var ack = {};\n                        ack.source = 'offer';\n                        $(document).trigger('ack.jingle', [self.sid, ack]);\n                    },\n                    function (stanza) {\n                        self.state = 'error';\n                        self.peerconnection.close();\n                        var error = ($(stanza).find('error').length) ? {\n                            code: $(stanza).find('error').attr('code'),\n                            reason: $(stanza).find('error :first')[0].tagName,\n                        }:{};\n                        error.source = 'offer';\n                        JingleSession.onJingleError(self.sid, error);\n                    },\n                    10000);\n            }\n            sendJingle();\n        }\n        this.lasticecandidate = true;\n        console.log('Have we encountered any srflx candidates? ' + this.hadstuncandidate);\n        console.log('Have we encountered any relay candidates? ' + this.hadturncandidate);\n\n        if (!(this.hadstuncandidate || this.hadturncandidate) && this.peerconnection.signalingState != 'closed') {\n            $(document).trigger('nostuncandidates.jingle', [this.sid]);\n        }\n    }\n};\n\nJingleSession.prototype.sendIceCandidates = function (candidates) {\n    console.log('sendIceCandidates', candidates);\n    var cand = $iq({to: this.peerjid, type: 'set'})\n        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n            action: 'transport-info',\n            initiator: this.initiator,\n            sid: this.sid});\n    for (var mid = 0; mid < this.localSDP.media.length; mid++) {\n        var cands = candidates.filter(function (el) { return el.sdpMLineIndex == mid; });\n        var mline = SDPUtil.parse_mline(this.localSDP.media[mid].split('\\r\\n')[0]);\n        if (cands.length > 0) {\n            var ice = SDPUtil.iceparams(this.localSDP.media[mid], this.localSDP.session);\n            ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';\n            cand.c('content', {creator: this.initiator == this.me ? 'initiator' : 'responder',\n                name: (cands[0].sdpMid? cands[0].sdpMid : mline.media)\n            }).c('transport', ice);\n            for (var i = 0; i < cands.length; i++) {\n                cand.c('candidate', SDPUtil.candidateToJingle(cands[i].candidate)).up();\n            }\n            // add fingerprint\n            if (SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session)) {\n                var tmp = SDPUtil.parse_fingerprint(SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session));\n                tmp.required = true;\n                cand.c(\n                    'fingerprint',\n                    {xmlns: 'urn:xmpp:jingle:apps:dtls:0'})\n                    .t(tmp.fingerprint);\n                delete tmp.fingerprint;\n                cand.attrs(tmp);\n                cand.up();\n            }\n            cand.up(); // transport\n            cand.up(); // content\n        }\n    }\n    // might merge last-candidate notification into this, but it is called alot later. See webrtc issue #2340\n    //console.log('was this the last candidate', this.lasticecandidate);\n    this.connection.sendIQ(cand,\n        function () {\n            var ack = {};\n            ack.source = 'transportinfo';\n            $(document).trigger('ack.jingle', [this.sid, ack]);\n        },\n        function (stanza) {\n            var error = ($(stanza).find('error').length) ? {\n                code: $(stanza).find('error').attr('code'),\n                reason: $(stanza).find('error :first')[0].tagName,\n            }:{};\n            error.source = 'transportinfo';\n            JingleSession.onJingleError(this.sid, error);\n        },\n        10000);\n};\n\n\nJingleSession.prototype.sendOffer = function () {\n    //console.log('sendOffer...');\n    var self = this;\n    this.peerconnection.createOffer(function (sdp) {\n            self.createdOffer(sdp);\n        },\n        function (e) {\n            console.error('createOffer failed', e);\n        },\n        this.media_constraints\n    );\n};\n\nJingleSession.prototype.createdOffer = function (sdp) {\n    //console.log('createdOffer', sdp);\n    var self = this;\n    this.localSDP = new SDP(sdp.sdp);\n    //this.localSDP.mangle();\n    var sendJingle = function () {\n        var init = $iq({to: this.peerjid,\n            type: 'set'})\n            .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n                action: 'session-initiate',\n                initiator: this.initiator,\n                sid: this.sid});\n        self.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder', this.localStreamsSSRC);\n        self.connection.sendIQ(init,\n            function () {\n                var ack = {};\n                ack.source = 'offer';\n                $(document).trigger('ack.jingle', [self.sid, ack]);\n            },\n            function (stanza) {\n                self.state = 'error';\n                self.peerconnection.close();\n                var error = ($(stanza).find('error').length) ? {\n                    code: $(stanza).find('error').attr('code'),\n                    reason: $(stanza).find('error :first')[0].tagName,\n                }:{};\n                error.source = 'offer';\n                JingleSession.onJingleError(self.sid, error);\n            },\n            10000);\n    }\n    sdp.sdp = this.localSDP.raw;\n    this.peerconnection.setLocalDescription(sdp,\n        function () {\n            if(self.usetrickle)\n            {\n                sendJingle();\n            }\n            self.setLocalDescription();\n            //console.log('setLocalDescription success');\n        },\n        function (e) {\n            console.error('setLocalDescription failed', e);\n        }\n    );\n    var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');\n    for (var i = 0; i < cands.length; i++) {\n        var cand = SDPUtil.parse_icecandidate(cands[i]);\n        if (cand.type == 'srflx') {\n            this.hadstuncandidate = true;\n        } else if (cand.type == 'relay') {\n            this.hadturncandidate = true;\n        }\n    }\n};\n\nJingleSession.prototype.setRemoteDescription = function (elem, desctype) {\n    //console.log('setting remote description... ', desctype);\n    this.remoteSDP = new SDP('');\n    this.remoteSDP.fromJingle(elem);\n    if (this.peerconnection.remoteDescription !== null) {\n        console.log('setRemoteDescription when remote description is not null, should be pranswer', this.peerconnection.remoteDescription);\n        if (this.peerconnection.remoteDescription.type == 'pranswer') {\n            var pranswer = new SDP(this.peerconnection.remoteDescription.sdp);\n            for (var i = 0; i < pranswer.media.length; i++) {\n                // make sure we have ice ufrag and pwd\n                if (!SDPUtil.find_line(this.remoteSDP.media[i], 'a=ice-ufrag:', this.remoteSDP.session)) {\n                    if (SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session)) {\n                        this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session) + '\\r\\n';\n                    } else {\n                        console.warn('no ice ufrag?');\n                    }\n                    if (SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session)) {\n                        this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session) + '\\r\\n';\n                    } else {\n                        console.warn('no ice pwd?');\n                    }\n                }\n                // copy over candidates\n                var lines = SDPUtil.find_lines(pranswer.media[i], 'a=candidate:');\n                for (var j = 0; j < lines.length; j++) {\n                    this.remoteSDP.media[i] += lines[j] + '\\r\\n';\n                }\n            }\n            this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');\n        }\n    }\n    var remotedesc = new RTCSessionDescription({type: desctype, sdp: this.remoteSDP.raw});\n\n    this.peerconnection.setRemoteDescription(remotedesc,\n        function () {\n            //console.log('setRemoteDescription success');\n        },\n        function (e) {\n            console.error('setRemoteDescription error', e);\n            JingleSession.onJingleFatalError(self, e);\n        }\n    );\n};\n\nJingleSession.prototype.addIceCandidate = function (elem) {\n    var self = this;\n    if (this.peerconnection.signalingState == 'closed') {\n        return;\n    }\n    if (!this.peerconnection.remoteDescription && this.peerconnection.signalingState == 'have-local-offer') {\n        console.log('trickle ice candidate arriving before session accept...');\n        // create a PRANSWER for setRemoteDescription\n        if (!this.remoteSDP) {\n            var cobbled = 'v=0\\r\\n' +\n                'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\\r\\n' +// FIXME\n                's=-\\r\\n' +\n                't=0 0\\r\\n';\n            // first, take some things from the local description\n            for (var i = 0; i < this.localSDP.media.length; i++) {\n                cobbled += SDPUtil.find_line(this.localSDP.media[i], 'm=') + '\\r\\n';\n                cobbled += SDPUtil.find_lines(this.localSDP.media[i], 'a=rtpmap:').join('\\r\\n') + '\\r\\n';\n                if (SDPUtil.find_line(this.localSDP.media[i], 'a=mid:')) {\n                    cobbled += SDPUtil.find_line(this.localSDP.media[i], 'a=mid:') + '\\r\\n';\n                }\n                cobbled += 'a=inactive\\r\\n';\n            }\n            this.remoteSDP = new SDP(cobbled);\n        }\n        // then add things like ice and dtls from remote candidate\n        elem.each(function () {\n            for (var i = 0; i < self.remoteSDP.media.length; i++) {\n                if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||\n                    self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {\n                    if (!SDPUtil.find_line(self.remoteSDP.media[i], 'a=ice-ufrag:')) {\n                        var tmp = $(this).find('transport');\n                        self.remoteSDP.media[i] += 'a=ice-ufrag:' + tmp.attr('ufrag') + '\\r\\n';\n                        self.remoteSDP.media[i] += 'a=ice-pwd:' + tmp.attr('pwd') + '\\r\\n';\n                        tmp = $(this).find('transport>fingerprint');\n                        if (tmp.length) {\n                            self.remoteSDP.media[i] += 'a=fingerprint:' + tmp.attr('hash') + ' ' + tmp.text() + '\\r\\n';\n                        } else {\n                            console.log('no dtls fingerprint (webrtc issue #1718?)');\n                            self.remoteSDP.media[i] += 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:BAADBAADBAADBAADBAADBAADBAADBAADBAADBAAD\\r\\n';\n                        }\n                        break;\n                    }\n                }\n            }\n        });\n        this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');\n\n        // we need a complete SDP with ice-ufrag/ice-pwd in all parts\n        // this makes the assumption that the PRANSWER is constructed such that the ice-ufrag is in all mediaparts\n        // but it could be in the session part as well. since the code above constructs this sdp this can't happen however\n        var iscomplete = this.remoteSDP.media.filter(function (mediapart) {\n            return SDPUtil.find_line(mediapart, 'a=ice-ufrag:');\n        }).length == this.remoteSDP.media.length;\n\n        if (iscomplete) {\n            console.log('setting pranswer');\n            try {\n                this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'pranswer', sdp: this.remoteSDP.raw }),\n                    function() {\n                    },\n                    function(e) {\n                        console.log('setRemoteDescription pranswer failed', e.toString());\n                    });\n            } catch (e) {\n                console.error('setting pranswer failed', e);\n            }\n        } else {\n            //console.log('not yet setting pranswer');\n        }\n    }\n    // operate on each content element\n    elem.each(function () {\n        // would love to deactivate this, but firefox still requires it\n        var idx = -1;\n        var i;\n        for (i = 0; i < self.remoteSDP.media.length; i++) {\n            if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||\n                self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {\n                idx = i;\n                break;\n            }\n        }\n        if (idx == -1) { // fall back to localdescription\n            for (i = 0; i < self.localSDP.media.length; i++) {\n                if (SDPUtil.find_line(self.localSDP.media[i], 'a=mid:' + $(this).attr('name')) ||\n                    self.localSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {\n                    idx = i;\n                    break;\n                }\n            }\n        }\n        var name = $(this).attr('name');\n        // TODO: check ice-pwd and ice-ufrag?\n        $(this).find('transport>candidate').each(function () {\n            var line, candidate;\n            line = SDPUtil.candidateFromJingle(this);\n            candidate = new RTCIceCandidate({sdpMLineIndex: idx,\n                sdpMid: name,\n                candidate: line});\n            try {\n                self.peerconnection.addIceCandidate(candidate);\n            } catch (e) {\n                console.error('addIceCandidate failed', e.toString(), line);\n            }\n        });\n    });\n};\n\nJingleSession.prototype.sendAnswer = function (provisional) {\n    //console.log('createAnswer', provisional);\n    var self = this;\n    this.peerconnection.createAnswer(\n        function (sdp) {\n            self.createdAnswer(sdp, provisional);\n        },\n        function (e) {\n            console.error('createAnswer failed', e);\n        },\n        this.media_constraints\n    );\n};\n\nJingleSession.prototype.createdAnswer = function (sdp, provisional) {\n    //console.log('createAnswer callback');\n    var self = this;\n    this.localSDP = new SDP(sdp.sdp);\n    //this.localSDP.mangle();\n    this.usepranswer = provisional === true;\n    if (this.usetrickle) {\n        if (this.usepranswer) {\n            sdp.type = 'pranswer';\n            for (var i = 0; i < this.localSDP.media.length; i++) {\n                this.localSDP.media[i] = this.localSDP.media[i].replace('a=sendrecv\\r\\n', 'a=inactive\\r\\n');\n            }\n            this.localSDP.raw = this.localSDP.session + '\\r\\n' + this.localSDP.media.join('');\n        }\n    }\n    var self = this;\n    var sendJingle = function (ssrcs) {\n\n                var accept = $iq({to: self.peerjid,\n                    type: 'set'})\n                    .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n                        action: 'session-accept',\n                        initiator: self.initiator,\n                        responder: self.responder,\n                        sid: self.sid });\n                var publicLocalDesc = simulcast.reverseTransformLocalDescription(sdp);\n                var publicLocalSDP = new SDP(publicLocalDesc.sdp);\n                publicLocalSDP.toJingle(accept, self.initiator == self.me ? 'initiator' : 'responder', ssrcs);\n                self.connection.sendIQ(accept,\n                    function () {\n                        var ack = {};\n                        ack.source = 'answer';\n                        $(document).trigger('ack.jingle', [self.sid, ack]);\n                    },\n                    function (stanza) {\n                        var error = ($(stanza).find('error').length) ? {\n                            code: $(stanza).find('error').attr('code'),\n                            reason: $(stanza).find('error :first')[0].tagName,\n                        }:{};\n                        error.source = 'answer';\n                        JingleSession.onJingleError(self.sid, error);\n                    },\n                    10000);\n    }\n    sdp.sdp = this.localSDP.raw;\n    this.peerconnection.setLocalDescription(sdp,\n        function () {\n\n            //console.log('setLocalDescription success');\n            if (self.usetrickle && !self.usepranswer) {\n                sendJingle();\n            }\n            self.setLocalDescription();\n        },\n        function (e) {\n            console.error('setLocalDescription failed', e);\n        }\n    );\n    var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');\n    for (var j = 0; j < cands.length; j++) {\n        var cand = SDPUtil.parse_icecandidate(cands[j]);\n        if (cand.type == 'srflx') {\n            this.hadstuncandidate = true;\n        } else if (cand.type == 'relay') {\n            this.hadturncandidate = true;\n        }\n    }\n};\n\nJingleSession.prototype.sendTerminate = function (reason, text) {\n    var self = this,\n        term = $iq({to: this.peerjid,\n            type: 'set'})\n            .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n                action: 'session-terminate',\n                initiator: this.initiator,\n                sid: this.sid})\n            .c('reason')\n            .c(reason || 'success');\n\n    if (text) {\n        term.up().c('text').t(text);\n    }\n\n    this.connection.sendIQ(term,\n        function () {\n            self.peerconnection.close();\n            self.peerconnection = null;\n            self.terminate();\n            var ack = {};\n            ack.source = 'terminate';\n            $(document).trigger('ack.jingle', [self.sid, ack]);\n        },\n        function (stanza) {\n            var error = ($(stanza).find('error').length) ? {\n                code: $(stanza).find('error').attr('code'),\n                reason: $(stanza).find('error :first')[0].tagName,\n            }:{};\n            $(document).trigger('ack.jingle', [self.sid, error]);\n        },\n        10000);\n    if (this.statsinterval !== null) {\n        window.clearInterval(this.statsinterval);\n        this.statsinterval = null;\n    }\n};\n\nJingleSession.prototype.addSource = function (elem, fromJid) {\n\n    var self = this;\n    // FIXME: dirty waiting\n    if (!this.peerconnection.localDescription)\n    {\n        console.warn(\"addSource - localDescription not ready yet\")\n        setTimeout(function()\n            {\n                self.addSource(elem, fromJid);\n            },\n            200\n        );\n        return;\n    }\n\n    console.log('addssrc', new Date().getTime());\n    console.log('ice', this.peerconnection.iceConnectionState);\n    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);\n    var mySdp = new SDP(this.peerconnection.localDescription.sdp);\n\n    $(elem).each(function (idx, content) {\n        var name = $(content).attr('name');\n        var lines = '';\n        tmp = $(content).find('ssrc-group[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]').each(function() {\n            var semantics = this.getAttribute('semantics');\n            var ssrcs = $(this).find('>source').map(function () {\n                return this.getAttribute('ssrc');\n            }).get();\n\n            if (ssrcs.length != 0) {\n                lines += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\\r\\n';\n            }\n        });\n        tmp = $(content).find('source[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]'); // can handle both >source and >description>source\n        tmp.each(function () {\n            var ssrc = $(this).attr('ssrc');\n            if(mySdp.containsSSRC(ssrc)){\n                /**\n                 * This happens when multiple participants change their streams at the same time and\n                 * ColibriFocus.modifySources have to wait for stable state. In the meantime multiple\n                 * addssrc are scheduled for update IQ. See\n                 */\n                console.warn(\"Got add stream request for my own ssrc: \"+ssrc);\n                return;\n            }\n            $(this).find('>parameter').each(function () {\n                lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');\n                if ($(this).attr('value') && $(this).attr('value').length)\n                    lines += ':' + $(this).attr('value');\n                lines += '\\r\\n';\n            });\n        });\n        sdp.media.forEach(function(media, idx) {\n            if (!SDPUtil.find_line(media, 'a=mid:' + name))\n                return;\n            sdp.media[idx] += lines;\n            if (!self.addssrc[idx]) self.addssrc[idx] = '';\n            self.addssrc[idx] += lines;\n        });\n        sdp.raw = sdp.session + sdp.media.join('');\n    });\n    this.modifySources();\n};\n\nJingleSession.prototype.removeSource = function (elem, fromJid) {\n\n    var self = this;\n    // FIXME: dirty waiting\n    if (!this.peerconnection.localDescription)\n    {\n        console.warn(\"removeSource - localDescription not ready yet\")\n        setTimeout(function()\n            {\n                self.removeSource(elem, fromJid);\n            },\n            200\n        );\n        return;\n    }\n\n    console.log('removessrc', new Date().getTime());\n    console.log('ice', this.peerconnection.iceConnectionState);\n    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);\n    var mySdp = new SDP(this.peerconnection.localDescription.sdp);\n\n    $(elem).each(function (idx, content) {\n        var name = $(content).attr('name');\n        var lines = '';\n        tmp = $(content).find('ssrc-group[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]').each(function() {\n            var semantics = this.getAttribute('semantics');\n            var ssrcs = $(this).find('>source').map(function () {\n                return this.getAttribute('ssrc');\n            }).get();\n\n            if (ssrcs.length != 0) {\n                lines += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\\r\\n';\n            }\n        });\n        tmp = $(content).find('source[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]'); // can handle both >source and >description>source\n        tmp.each(function () {\n            var ssrc = $(this).attr('ssrc');\n            // This should never happen, but can be useful for bug detection\n            if(mySdp.containsSSRC(ssrc)){\n                console.error(\"Got remove stream request for my own ssrc: \"+ssrc);\n                return;\n            }\n            $(this).find('>parameter').each(function () {\n                lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');\n                if ($(this).attr('value') && $(this).attr('value').length)\n                    lines += ':' + $(this).attr('value');\n                lines += '\\r\\n';\n            });\n        });\n        sdp.media.forEach(function(media, idx) {\n            if (!SDPUtil.find_line(media, 'a=mid:' + name))\n                return;\n            sdp.media[idx] += lines;\n            if (!self.removessrc[idx]) self.removessrc[idx] = '';\n            self.removessrc[idx] += lines;\n        });\n        sdp.raw = sdp.session + sdp.media.join('');\n    });\n    this.modifySources();\n};\n\nJingleSession.prototype.modifySources = function (successCallback) {\n    var self = this;\n    if (this.peerconnection.signalingState == 'closed') return;\n    if (!(this.addssrc.length || this.removessrc.length || this.pendingop !== null || this.switchstreams)){\n        // There is nothing to do since scheduled job might have been executed by another succeeding call\n        this.setLocalDescription();\n        if(successCallback){\n            successCallback();\n        }\n        return;\n    }\n\n    // FIXME: this is a big hack\n    // https://code.google.com/p/webrtc/issues/detail?id=2688\n    // ^ has been fixed.\n    if (!(this.peerconnection.signalingState == 'stable' && this.peerconnection.iceConnectionState == 'connected')) {\n        console.warn('modifySources not yet', this.peerconnection.signalingState, this.peerconnection.iceConnectionState);\n        this.wait = true;\n        window.setTimeout(function() { self.modifySources(successCallback); }, 250);\n        return;\n    }\n    if (this.wait) {\n        window.setTimeout(function() { self.modifySources(successCallback); }, 2500);\n        this.wait = false;\n        return;\n    }\n\n    // Reset switch streams flag\n    this.switchstreams = false;\n\n    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);\n\n    // add sources\n    this.addssrc.forEach(function(lines, idx) {\n        sdp.media[idx] += lines;\n    });\n    this.addssrc = [];\n\n    // remove sources\n    this.removessrc.forEach(function(lines, idx) {\n        lines = lines.split('\\r\\n');\n        lines.pop(); // remove empty last element;\n        lines.forEach(function(line) {\n            sdp.media[idx] = sdp.media[idx].replace(line + '\\r\\n', '');\n        });\n    });\n    this.removessrc = [];\n\n    // FIXME:\n    // this was a hack for the situation when only one peer exists\n    // in the conference.\n    // check if still required and remove\n    if (sdp.media[0])\n        sdp.media[0] = sdp.media[0].replace('a=recvonly', 'a=sendrecv');\n    if (sdp.media[1])\n        sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');\n\n    sdp.raw = sdp.session + sdp.media.join('');\n    this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'offer', sdp: sdp.raw}),\n        function() {\n\n            if(self.signalingState == 'closed') {\n                console.error(\"createAnswer attempt on closed state\");\n                return;\n            }\n\n            self.peerconnection.createAnswer(\n                function(modifiedAnswer) {\n                    // change video direction, see https://github.com/jitsi/jitmeet/issues/41\n                    if (self.pendingop !== null) {\n                        var sdp = new SDP(modifiedAnswer.sdp);\n                        if (sdp.media.length > 1) {\n                            switch(self.pendingop) {\n                                case 'mute':\n                                    sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');\n                                    break;\n                                case 'unmute':\n                                    sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');\n                                    break;\n                            }\n                            sdp.raw = sdp.session + sdp.media.join('');\n                            modifiedAnswer.sdp = sdp.raw;\n                        }\n                        self.pendingop = null;\n                    }\n\n                    // FIXME: pushing down an answer while ice connection state\n                    // is still checking is bad...\n                    //console.log(self.peerconnection.iceConnectionState);\n\n                    // trying to work around another chrome bug\n                    //modifiedAnswer.sdp = modifiedAnswer.sdp.replace(/a=setup:active/g, 'a=setup:actpass');\n                    self.peerconnection.setLocalDescription(modifiedAnswer,\n                        function() {\n                            //console.log('modified setLocalDescription ok');\n                            self.setLocalDescription();\n                            if(successCallback){\n                                successCallback();\n                            }\n                        },\n                        function(error) {\n                            console.error('modified setLocalDescription failed', error);\n                        }\n                    );\n                },\n                function(error) {\n                    console.error('modified answer failed', error);\n                }\n            );\n        },\n        function(error) {\n            console.error('modify failed', error);\n        }\n    );\n};\n\n/**\n * Switches video streams.\n * @param new_stream new stream that will be used as video of this session.\n * @param oldStream old video stream of this session.\n * @param success_callback callback executed after successful stream switch.\n */\nJingleSession.prototype.switchStreams = function (new_stream, oldStream, success_callback) {\n\n    var self = this;\n\n    // Remember SDP to figure out added/removed SSRCs\n    var oldSdp = null;\n    if(self.peerconnection) {\n        if(self.peerconnection.localDescription) {\n            oldSdp = new SDP(self.peerconnection.localDescription.sdp);\n        }\n        self.peerconnection.removeStream(oldStream, true);\n        self.peerconnection.addStream(new_stream);\n    }\n\n    RTC.switchVideoStreams(new_stream, oldStream);\n\n    // Conference is not active\n    if(!oldSdp || !self.peerconnection) {\n        success_callback();\n        return;\n    }\n\n    self.switchstreams = true;\n    self.modifySources(function() {\n        console.log('modify sources done');\n\n        success_callback();\n\n        var newSdp = new SDP(self.peerconnection.localDescription.sdp);\n        console.log(\"SDPs\", oldSdp, newSdp);\n        self.notifyMySSRCUpdate(oldSdp, newSdp);\n    });\n};\n\n/**\n * Figures out added/removed ssrcs and send update IQs.\n * @param old_sdp SDP object for old description.\n * @param new_sdp SDP object for new description.\n */\nJingleSession.prototype.notifyMySSRCUpdate = function (old_sdp, new_sdp) {\n\n    if (!(this.peerconnection.signalingState == 'stable' &&\n        this.peerconnection.iceConnectionState == 'connected')){\n        console.log(\"Too early to send updates\");\n        return;\n    }\n\n    // send source-remove IQ.\n    sdpDiffer = new SDPDiffer(new_sdp, old_sdp);\n    var remove = $iq({to: this.peerjid, type: 'set'})\n        .c('jingle', {\n            xmlns: 'urn:xmpp:jingle:1',\n            action: 'source-remove',\n            initiator: this.initiator,\n            sid: this.sid\n        }\n    );\n    var removed = sdpDiffer.toJingle(remove);\n    if (removed) {\n        this.connection.sendIQ(remove,\n            function (res) {\n                console.info('got remove result', res);\n            },\n            function (err) {\n                console.error('got remove error', err);\n            }\n        );\n    } else {\n        console.log('removal not necessary');\n    }\n\n    // send source-add IQ.\n    var sdpDiffer = new SDPDiffer(old_sdp, new_sdp);\n    var add = $iq({to: this.peerjid, type: 'set'})\n        .c('jingle', {\n            xmlns: 'urn:xmpp:jingle:1',\n            action: 'source-add',\n            initiator: this.initiator,\n            sid: this.sid\n        }\n    );\n    var added = sdpDiffer.toJingle(add);\n    if (added) {\n        this.connection.sendIQ(add,\n            function (res) {\n                console.info('got add result', res);\n            },\n            function (err) {\n                console.error('got add error', err);\n            }\n        );\n    } else {\n        console.log('addition not necessary');\n    }\n};\n\n/**\n * Determines whether the (local) video is mute i.e. all video tracks are\n * disabled.\n *\n * @return <tt>true</tt> if the (local) video is mute i.e. all video tracks are\n * disabled; otherwise, <tt>false</tt>\n */\nJingleSession.prototype.isVideoMute = function () {\n    var tracks = RTC.localVideo.getVideoTracks();\n    var mute = true;\n\n    for (var i = 0; i < tracks.length; ++i) {\n        if (tracks[i].enabled) {\n            mute = false;\n            break;\n        }\n    }\n    return mute;\n};\n\n/**\n * Mutes/unmutes the (local) video i.e. enables/disables all video tracks.\n *\n * @param mute <tt>true</tt> to mute the (local) video i.e. to disable all video\n * tracks; otherwise, <tt>false</tt>\n * @param callback a function to be invoked with <tt>mute</tt> after all video\n * tracks have been enabled/disabled. The function may, optionally, return\n * another function which is to be invoked after the whole mute/unmute operation\n * has completed successfully.\n * @param options an object which specifies optional arguments such as the\n * <tt>boolean</tt> key <tt>byUser</tt> with default value <tt>true</tt> which\n * specifies whether the method was initiated in response to a user command (in\n * contrast to an automatic decision made by the application logic)\n */\nJingleSession.prototype.setVideoMute = function (mute, callback, options) {\n    var byUser;\n\n    if (options) {\n        byUser = options.byUser;\n        if (typeof byUser === 'undefined') {\n            byUser = true;\n        }\n    } else {\n        byUser = true;\n    }\n    // The user's command to mute the (local) video takes precedence over any\n    // automatic decision made by the application logic.\n    if (byUser) {\n        this.videoMuteByUser = mute;\n    } else if (this.videoMuteByUser) {\n        return;\n    }\n\n    var self = this;\n    var localCallback = function (mute) {\n        self.connection.emuc.addVideoInfoToPresence(mute);\n        self.connection.emuc.sendPresence();\n        return callback(mute)\n    };\n\n    if (mute == RTC.localVideo.isMuted())\n    {\n        // Even if no change occurs, the specified callback is to be executed.\n        // The specified callback may, optionally, return a successCallback\n        // which is to be executed as well.\n        var successCallback = localCallback(mute);\n\n        if (successCallback) {\n            successCallback();\n        }\n    } else {\n        RTC.localVideo.setMute(!mute);\n\n        this.hardMuteVideo(mute);\n\n        this.modifySources(localCallback(mute));\n    }\n};\n\n// SDP-based mute by going recvonly/sendrecv\n// FIXME: should probably black out the screen as well\nJingleSession.prototype.toggleVideoMute = function (callback) {\n    this.service.setVideoMute(RTC.localVideo.isMuted(), callback);\n};\n\nJingleSession.prototype.hardMuteVideo = function (muted) {\n    this.pendingop = muted ? 'mute' : 'unmute';\n};\n\nJingleSession.prototype.sendMute = function (muted, content) {\n    var info = $iq({to: this.peerjid,\n        type: 'set'})\n        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n            action: 'session-info',\n            initiator: this.initiator,\n            sid: this.sid });\n    info.c(muted ? 'mute' : 'unmute', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});\n    info.attrs({'creator': this.me == this.initiator ? 'creator' : 'responder'});\n    if (content) {\n        info.attrs({'name': content});\n    }\n    this.connection.send(info);\n};\n\nJingleSession.prototype.sendRinging = function () {\n    var info = $iq({to: this.peerjid,\n        type: 'set'})\n        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',\n            action: 'session-info',\n            initiator: this.initiator,\n            sid: this.sid });\n    info.c('ringing', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});\n    this.connection.send(info);\n};\n\nJingleSession.prototype.getStats = function (interval) {\n    var self = this;\n    var recv = {audio: 0, video: 0};\n    var lost = {audio: 0, video: 0};\n    var lastrecv = {audio: 0, video: 0};\n    var lastlost = {audio: 0, video: 0};\n    var loss = {audio: 0, video: 0};\n    var delta = {audio: 0, video: 0};\n    this.statsinterval = window.setInterval(function () {\n        if (self && self.peerconnection && self.peerconnection.getStats) {\n            self.peerconnection.getStats(function (stats) {\n                var results = stats.result();\n                // TODO: there are so much statistics you can get from this..\n                for (var i = 0; i < results.length; ++i) {\n                    if (results[i].type == 'ssrc') {\n                        var packetsrecv = results[i].stat('packetsReceived');\n                        var packetslost = results[i].stat('packetsLost');\n                        if (packetsrecv && packetslost) {\n                            packetsrecv = parseInt(packetsrecv, 10);\n                            packetslost = parseInt(packetslost, 10);\n\n                            if (results[i].stat('googFrameRateReceived')) {\n                                lastlost.video = lost.video;\n                                lastrecv.video = recv.video;\n                                recv.video = packetsrecv;\n                                lost.video = packetslost;\n                            } else {\n                                lastlost.audio = lost.audio;\n                                lastrecv.audio = recv.audio;\n                                recv.audio = packetsrecv;\n                                lost.audio = packetslost;\n                            }\n                        }\n                    }\n                }\n                delta.audio = recv.audio - lastrecv.audio;\n                delta.video = recv.video - lastrecv.video;\n                loss.audio = (delta.audio > 0) ? Math.ceil(100 * (lost.audio - lastlost.audio) / delta.audio) : 0;\n                loss.video = (delta.video > 0) ? Math.ceil(100 * (lost.video - lastlost.video) / delta.video) : 0;\n                $(document).trigger('packetloss.jingle', [self.sid, loss]);\n            });\n        }\n    }, interval || 3000);\n    return this.statsinterval;\n};\n\nJingleSession.onJingleError = function (session, error)\n{\n    console.error(\"Jingle error\", error);\n}\n\nJingleSession.onJingleFatalError = function (session, error)\n{\n    this.service.sessionTerminated = true;\n    connection.emuc.doLeave();\n    UI.messageHandler.showError(  \"Sorry\",\n        \"Internal application error[setRemoteDescription]\");\n}\n\nJingleSession.prototype.setLocalDescription = function () {\n    // put our ssrcs into presence so other clients can identify our stream\n    var newssrcs = [];\n    var media = simulcast.parseMedia(this.peerconnection.localDescription);\n    media.forEach(function (media) {\n\n        if(Object.keys(media.sources).length > 0) {\n            // TODO(gp) maybe exclude FID streams?\n            Object.keys(media.sources).forEach(function (ssrc) {\n                newssrcs.push({\n                    'ssrc': ssrc,\n                    'type': media.type,\n                    'direction': media.direction\n                });\n            });\n        }\n        else if(this.localStreamsSSRC && this.localStreamsSSRC[media.type])\n        {\n            newssrcs.push({\n                'ssrc': this.localStreamsSSRC[media.type],\n                'type': media.type,\n                'direction': media.direction\n            });\n        }\n\n    });\n\n    console.log('new ssrcs', newssrcs);\n\n    // Have to clear presence map to get rid of removed streams\n    this.connection.emuc.clearPresenceMedia();\n\n    if (newssrcs.length > 0) {\n        for (var i = 1; i <= newssrcs.length; i ++) {\n            // Change video type to screen\n            if (newssrcs[i-1].type === 'video' && desktopsharing.isUsingScreenStream()) {\n                newssrcs[i-1].type = 'screen';\n            }\n            this.connection.emuc.addMediaToPresence(i,\n                newssrcs[i-1].type, newssrcs[i-1].ssrc, newssrcs[i-1].direction);\n        }\n\n        this.connection.emuc.sendPresence();\n    }\n}\n\n// an attempt to work around https://github.com/jitsi/jitmeet/issues/32\nfunction sendKeyframe(pc) {\n    console.log('sendkeyframe', pc.iceConnectionState);\n    if (pc.iceConnectionState !== 'connected') return; // safe...\n    pc.setRemoteDescription(\n        pc.remoteDescription,\n        function () {\n            pc.createAnswer(\n                function (modifiedAnswer) {\n                    pc.setLocalDescription(\n                        modifiedAnswer,\n                        function () {\n                            // noop\n                        },\n                        function (error) {\n                            console.log('triggerKeyframe setLocalDescription failed', error);\n                            UI.messageHandler.showError();\n                        }\n                    );\n                },\n                function (error) {\n                    console.log('triggerKeyframe createAnswer failed', error);\n                    UI.messageHandler.showError();\n                }\n            );\n        },\n        function (error) {\n            console.log('triggerKeyframe setRemoteDescription failed', error);\n            UI.messageHandler.showError();\n        }\n    );\n}\n\n\nJingleSession.prototype.remoteStreamAdded = function (data) {\n    var self = this;\n    var thessrc;\n\n    // look up an associated JID for a stream id\n    if (data.stream.id && data.stream.id.indexOf('mixedmslabel') === -1) {\n        // look only at a=ssrc: and _not_ at a=ssrc-group: lines\n\n        var ssrclines\n            = SDPUtil.find_lines(this.peerconnection.remoteDescription.sdp, 'a=ssrc:');\n        ssrclines = ssrclines.filter(function (line) {\n            // NOTE(gp) previously we filtered on the mslabel, but that property\n            // is not always present.\n            // return line.indexOf('mslabel:' + data.stream.label) !== -1;\n\n            return ((line.indexOf('msid:' + data.stream.id) !== -1));\n        });\n        if (ssrclines.length) {\n            thessrc = ssrclines[0].substring(7).split(' ')[0];\n\n            // We signal our streams (through Jingle to the focus) before we set\n            // our presence (through which peers associate remote streams to\n            // jids). So, it might arrive that a remote stream is added but\n            // ssrc2jid is not yet updated and thus data.peerjid cannot be\n            // successfully set. Here we wait for up to a second for the\n            // presence to arrive.\n\n            if (!ssrc2jid[thessrc]) {\n                // TODO(gp) limit wait duration to 1 sec.\n                setTimeout(function(d) {\n                    return function() {\n                        self.remoteStreamAdded(d);\n                    }\n                }(data), 250);\n                return;\n            }\n\n            // ok to overwrite the one from focus? might save work in colibri.js\n            console.log('associated jid', ssrc2jid[thessrc], data.peerjid);\n            if (ssrc2jid[thessrc]) {\n                data.peerjid = ssrc2jid[thessrc];\n            }\n        }\n    }\n\n    //TODO: this code should be removed when firefox implement multistream support\n    if(RTC.getBrowserType() == RTCBrowserType.RTC_BROWSER_FIREFOX)\n    {\n        if((notReceivedSSRCs.length == 0) ||\n            !ssrc2jid[notReceivedSSRCs[notReceivedSSRCs.length - 1]])\n        {\n            // TODO(gp) limit wait duration to 1 sec.\n            setTimeout(function(d) {\n                return function() {\n                    self.remoteStreamAdded(d);\n                }\n            }(data), 250);\n            return;\n        }\n\n        thessrc = notReceivedSSRCs.pop();\n        if (ssrc2jid[thessrc]) {\n            data.peerjid = ssrc2jid[thessrc];\n        }\n    }\n\n    RTC.createRemoteStream(data, this.sid, thessrc);\n\n    var isVideo = data.stream.getVideoTracks().length > 0;\n    // an attempt to work around https://github.com/jitsi/jitmeet/issues/32\n    if (isVideo &&\n        data.peerjid && this.peerjid === data.peerjid &&\n        data.stream.getVideoTracks().length === 0 &&\n        RTC.localVideo.getTracks().length > 0) {\n        window.setTimeout(function () {\n            sendKeyframe(self.peerconnection);\n        }, 3000);\n    }\n}\n\nmodule.exports = JingleSession;","/* jshint -W117 */\nvar SDPUtil = require(\"./SDPUtil\");\n\n// SDP STUFF\nfunction SDP(sdp) {\n    this.media = sdp.split('\\r\\nm=');\n    for (var i = 1; i < this.media.length; i++) {\n        this.media[i] = 'm=' + this.media[i];\n        if (i != this.media.length - 1) {\n            this.media[i] += '\\r\\n';\n        }\n    }\n    this.session = this.media.shift() + '\\r\\n';\n    this.raw = this.session + this.media.join('');\n}\n/**\n * Returns map of MediaChannel mapped per channel idx.\n */\nSDP.prototype.getMediaSsrcMap = function() {\n    var self = this;\n    var media_ssrcs = {};\n    var tmp;\n    for (var mediaindex = 0; mediaindex < self.media.length; mediaindex++) {\n        tmp = SDPUtil.find_lines(self.media[mediaindex], 'a=ssrc:');\n        var mid = SDPUtil.parse_mid(SDPUtil.find_line(self.media[mediaindex], 'a=mid:'));\n        var media = {\n            mediaindex: mediaindex,\n            mid: mid,\n            ssrcs: {},\n            ssrcGroups: []\n        };\n        media_ssrcs[mediaindex] = media;\n        tmp.forEach(function (line) {\n            var linessrc = line.substring(7).split(' ')[0];\n            // allocate new ChannelSsrc\n            if(!media.ssrcs[linessrc]) {\n                media.ssrcs[linessrc] = {\n                    ssrc: linessrc,\n                    lines: []\n                };\n            }\n            media.ssrcs[linessrc].lines.push(line);\n        });\n        tmp = SDPUtil.find_lines(self.media[mediaindex], 'a=ssrc-group:');\n        tmp.forEach(function(line){\n            var semantics = line.substr(0, idx).substr(13);\n            var ssrcs = line.substr(14 + semantics.length).split(' ');\n            if (ssrcs.length != 0) {\n                media.ssrcGroups.push({\n                    semantics: semantics,\n                    ssrcs: ssrcs\n                });\n            }\n        });\n    }\n    return media_ssrcs;\n};\n/**\n * Returns <tt>true</tt> if this SDP contains given SSRC.\n * @param ssrc the ssrc to check.\n * @returns {boolean} <tt>true</tt> if this SDP contains given SSRC.\n */\nSDP.prototype.containsSSRC = function(ssrc) {\n    var medias = this.getMediaSsrcMap();\n    var contains = false;\n    Object.keys(medias).forEach(function(mediaindex){\n        var media = medias[mediaindex];\n        //console.log(\"Check\", channel, ssrc);\n        if(Object.keys(media.ssrcs).indexOf(ssrc) != -1){\n            contains = true;\n        }\n    });\n    return contains;\n};\n\n\n// remove iSAC and CN from SDP\nSDP.prototype.mangle = function () {\n    var i, j, mline, lines, rtpmap, newdesc;\n    for (i = 0; i < this.media.length; i++) {\n        lines = this.media[i].split('\\r\\n');\n        lines.pop(); // remove empty last element\n        mline = SDPUtil.parse_mline(lines.shift());\n        if (mline.media != 'audio')\n            continue;\n        newdesc = '';\n        mline.fmt.length = 0;\n        for (j = 0; j < lines.length; j++) {\n            if (lines[j].substr(0, 9) == 'a=rtpmap:') {\n                rtpmap = SDPUtil.parse_rtpmap(lines[j]);\n                if (rtpmap.name == 'CN' || rtpmap.name == 'ISAC')\n                    continue;\n                mline.fmt.push(rtpmap.id);\n                newdesc += lines[j] + '\\r\\n';\n            } else {\n                newdesc += lines[j] + '\\r\\n';\n            }\n        }\n        this.media[i] = SDPUtil.build_mline(mline) + '\\r\\n';\n        this.media[i] += newdesc;\n    }\n    this.raw = this.session + this.media.join('');\n};\n\n// remove lines matching prefix from session section\nSDP.prototype.removeSessionLines = function(prefix) {\n    var self = this;\n    var lines = SDPUtil.find_lines(this.session, prefix);\n    lines.forEach(function(line) {\n        self.session = self.session.replace(line + '\\r\\n', '');\n    });\n    this.raw = this.session + this.media.join('');\n    return lines;\n}\n// remove lines matching prefix from a media section specified by mediaindex\n// TODO: non-numeric mediaindex could match mid\nSDP.prototype.removeMediaLines = function(mediaindex, prefix) {\n    var self = this;\n    var lines = SDPUtil.find_lines(this.media[mediaindex], prefix);\n    lines.forEach(function(line) {\n        self.media[mediaindex] = self.media[mediaindex].replace(line + '\\r\\n', '');\n    });\n    this.raw = this.session + this.media.join('');\n    return lines;\n}\n\n// add content's to a jingle element\nSDP.prototype.toJingle = function (elem, thecreator, ssrcs) {\n//    console.log(\"SSRC\" + ssrcs[\"audio\"] + \" - \" + ssrcs[\"video\"]);\n    var i, j, k, mline, ssrc, rtpmap, tmp, line, lines;\n    var self = this;\n    // new bundle plan\n    if (SDPUtil.find_line(this.session, 'a=group:')) {\n        lines = SDPUtil.find_lines(this.session, 'a=group:');\n        for (i = 0; i < lines.length; i++) {\n            tmp = lines[i].split(' ');\n            var semantics = tmp.shift().substr(8);\n            elem.c('group', {xmlns: 'urn:xmpp:jingle:apps:grouping:0', semantics:semantics});\n            for (j = 0; j < tmp.length; j++) {\n                elem.c('content', {name: tmp[j]}).up();\n            }\n            elem.up();\n        }\n    }\n    for (i = 0; i < this.media.length; i++) {\n        mline = SDPUtil.parse_mline(this.media[i].split('\\r\\n')[0]);\n        if (!(mline.media === 'audio' ||\n              mline.media === 'video' ||\n              mline.media === 'application'))\n        {\n            continue;\n        }\n        if (SDPUtil.find_line(this.media[i], 'a=ssrc:')) {\n            ssrc = SDPUtil.find_line(this.media[i], 'a=ssrc:').substring(7).split(' ')[0]; // take the first\n        } else {\n            if(ssrcs && ssrcs[mline.media])\n            {\n                ssrc = ssrcs[mline.media];\n            }\n            else\n                ssrc = false;\n        }\n\n        elem.c('content', {creator: thecreator, name: mline.media});\n        if (SDPUtil.find_line(this.media[i], 'a=mid:')) {\n            // prefer identifier from a=mid if present\n            var mid = SDPUtil.parse_mid(SDPUtil.find_line(this.media[i], 'a=mid:'));\n            elem.attrs({ name: mid });\n        }\n\n        if (SDPUtil.find_line(this.media[i], 'a=rtpmap:').length)\n        {\n            elem.c('description',\n                {xmlns: 'urn:xmpp:jingle:apps:rtp:1',\n                    media: mline.media });\n            if (ssrc) {\n                elem.attrs({ssrc: ssrc});\n            }\n            for (j = 0; j < mline.fmt.length; j++) {\n                rtpmap = SDPUtil.find_line(this.media[i], 'a=rtpmap:' + mline.fmt[j]);\n                elem.c('payload-type', SDPUtil.parse_rtpmap(rtpmap));\n                // put any 'a=fmtp:' + mline.fmt[j] lines into <param name=foo value=bar/>\n                if (SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j])) {\n                    tmp = SDPUtil.parse_fmtp(SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j]));\n                    for (k = 0; k < tmp.length; k++) {\n                        elem.c('parameter', tmp[k]).up();\n                    }\n                }\n                this.RtcpFbToJingle(i, elem, mline.fmt[j]); // XEP-0293 -- map a=rtcp-fb\n\n                elem.up();\n            }\n            if (SDPUtil.find_line(this.media[i], 'a=crypto:', this.session)) {\n                elem.c('encryption', {required: 1});\n                var crypto = SDPUtil.find_lines(this.media[i], 'a=crypto:', this.session);\n                crypto.forEach(function(line) {\n                    elem.c('crypto', SDPUtil.parse_crypto(line)).up();\n                });\n                elem.up(); // end of encryption\n            }\n\n            if (ssrc) {\n                // new style mapping\n                elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });\n                // FIXME: group by ssrc and support multiple different ssrcs\n                var ssrclines = SDPUtil.find_lines(this.media[i], 'a=ssrc:');\n                if(ssrclines.length > 0) {\n                    ssrclines.forEach(function (line) {\n                        idx = line.indexOf(' ');\n                        var linessrc = line.substr(0, idx).substr(7);\n                        if (linessrc != ssrc) {\n                            elem.up();\n                            ssrc = linessrc;\n                            elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });\n                        }\n                        var kv = line.substr(idx + 1);\n                        elem.c('parameter');\n                        if (kv.indexOf(':') == -1) {\n                            elem.attrs({ name: kv });\n                        } else {\n                            elem.attrs({ name: kv.split(':', 2)[0] });\n                            elem.attrs({ value: kv.split(':', 2)[1] });\n                        }\n                        elem.up();\n                    });\n                    elem.up();\n                }\n                else\n                {\n                    elem.up();\n                    elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });\n                    elem.c('parameter');\n                    elem.attrs({name: \"cname\", value:Math.random().toString(36).substring(7)});\n                    elem.up();\n                    var msid = null;\n                    if(mline.media == \"audio\")\n                    {\n                        msid = RTC.localAudio.getId();\n                    }\n                    else\n                    {\n                        msid = RTC.localVideo.getId();\n                    }\n                    if(msid != null)\n                    {\n                        msid = msid.replace(/[\\{,\\}]/g,\"\");\n                        elem.c('parameter');\n                        elem.attrs({name: \"msid\", value:msid});\n                        elem.up();\n                        elem.c('parameter');\n                        elem.attrs({name: \"mslabel\", value:msid});\n                        elem.up();\n                        elem.c('parameter');\n                        elem.attrs({name: \"label\", value:msid});\n                        elem.up();\n                        elem.up();\n                    }\n\n\n                }\n\n                // XEP-0339 handle ssrc-group attributes\n                var ssrc_group_lines = SDPUtil.find_lines(this.media[i], 'a=ssrc-group:');\n                ssrc_group_lines.forEach(function(line) {\n                    idx = line.indexOf(' ');\n                    var semantics = line.substr(0, idx).substr(13);\n                    var ssrcs = line.substr(14 + semantics.length).split(' ');\n                    if (ssrcs.length != 0) {\n                        elem.c('ssrc-group', { semantics: semantics, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });\n                        ssrcs.forEach(function(ssrc) {\n                            elem.c('source', { ssrc: ssrc })\n                                .up();\n                        });\n                        elem.up();\n                    }\n                });\n            }\n\n            if (SDPUtil.find_line(this.media[i], 'a=rtcp-mux')) {\n                elem.c('rtcp-mux').up();\n            }\n\n            // XEP-0293 -- map a=rtcp-fb:*\n            this.RtcpFbToJingle(i, elem, '*');\n\n            // XEP-0294\n            if (SDPUtil.find_line(this.media[i], 'a=extmap:')) {\n                lines = SDPUtil.find_lines(this.media[i], 'a=extmap:');\n                for (j = 0; j < lines.length; j++) {\n                    tmp = SDPUtil.parse_extmap(lines[j]);\n                    elem.c('rtp-hdrext', { xmlns: 'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',\n                        uri: tmp.uri,\n                        id: tmp.value });\n                    if (tmp.hasOwnProperty('direction')) {\n                        switch (tmp.direction) {\n                            case 'sendonly':\n                                elem.attrs({senders: 'responder'});\n                                break;\n                            case 'recvonly':\n                                elem.attrs({senders: 'initiator'});\n                                break;\n                            case 'sendrecv':\n                                elem.attrs({senders: 'both'});\n                                break;\n                            case 'inactive':\n                                elem.attrs({senders: 'none'});\n                                break;\n                        }\n                    }\n                    // TODO: handle params\n                    elem.up();\n                }\n            }\n            elem.up(); // end of description\n        }\n\n        // map ice-ufrag/pwd, dtls fingerprint, candidates\n        this.TransportToJingle(i, elem);\n\n        if (SDPUtil.find_line(this.media[i], 'a=sendrecv', this.session)) {\n            elem.attrs({senders: 'both'});\n        } else if (SDPUtil.find_line(this.media[i], 'a=sendonly', this.session)) {\n            elem.attrs({senders: 'initiator'});\n        } else if (SDPUtil.find_line(this.media[i], 'a=recvonly', this.session)) {\n            elem.attrs({senders: 'responder'});\n        } else if (SDPUtil.find_line(this.media[i], 'a=inactive', this.session)) {\n            elem.attrs({senders: 'none'});\n        }\n        if (mline.port == '0') {\n            // estos hack to reject an m-line\n            elem.attrs({senders: 'rejected'});\n        }\n        elem.up(); // end of content\n    }\n    elem.up();\n    return elem;\n};\n\nSDP.prototype.TransportToJingle = function (mediaindex, elem) {\n    var i = mediaindex;\n    var tmp;\n    var self = this;\n    elem.c('transport');\n\n    // XEP-0343 DTLS/SCTP\n    if (SDPUtil.find_line(this.media[mediaindex], 'a=sctpmap:').length)\n    {\n        var sctpmap = SDPUtil.find_line(\n            this.media[i], 'a=sctpmap:', self.session);\n        if (sctpmap)\n        {\n            var sctpAttrs = SDPUtil.parse_sctpmap(sctpmap);\n            elem.c('sctpmap',\n                {\n                    xmlns: 'urn:xmpp:jingle:transports:dtls-sctp:1',\n                    number: sctpAttrs[0], /* SCTP port */\n                    protocol: sctpAttrs[1], /* protocol */\n                });\n            // Optional stream count attribute\n            if (sctpAttrs.length > 2)\n                elem.attrs({ streams: sctpAttrs[2]});\n            elem.up();\n        }\n    }\n    // XEP-0320\n    var fingerprints = SDPUtil.find_lines(this.media[mediaindex], 'a=fingerprint:', this.session);\n    fingerprints.forEach(function(line) {\n        tmp = SDPUtil.parse_fingerprint(line);\n        tmp.xmlns = 'urn:xmpp:jingle:apps:dtls:0';\n        elem.c('fingerprint').t(tmp.fingerprint);\n        delete tmp.fingerprint;\n        line = SDPUtil.find_line(self.media[mediaindex], 'a=setup:', self.session);\n        if (line) {\n            tmp.setup = line.substr(8);\n        }\n        elem.attrs(tmp);\n        elem.up(); // end of fingerprint\n    });\n    tmp = SDPUtil.iceparams(this.media[mediaindex], this.session);\n    if (tmp) {\n        tmp.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';\n        elem.attrs(tmp);\n        // XEP-0176\n        if (SDPUtil.find_line(this.media[mediaindex], 'a=candidate:', this.session)) { // add any a=candidate lines\n            var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=candidate:', this.session);\n            lines.forEach(function (line) {\n                elem.c('candidate', SDPUtil.candidateToJingle(line)).up();\n            });\n        }\n    }\n    elem.up(); // end of transport\n}\n\nSDP.prototype.RtcpFbToJingle = function (mediaindex, elem, payloadtype) { // XEP-0293\n    var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=rtcp-fb:' + payloadtype);\n    lines.forEach(function (line) {\n        var tmp = SDPUtil.parse_rtcpfb(line);\n        if (tmp.type == 'trr-int') {\n            elem.c('rtcp-fb-trr-int', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', value: tmp.params[0]});\n            elem.up();\n        } else {\n            elem.c('rtcp-fb', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', type: tmp.type});\n            if (tmp.params.length > 0) {\n                elem.attrs({'subtype': tmp.params[0]});\n            }\n            elem.up();\n        }\n    });\n};\n\nSDP.prototype.RtcpFbFromJingle = function (elem, payloadtype) { // XEP-0293\n    var media = '';\n    var tmp = elem.find('>rtcp-fb-trr-int[xmlns=\"urn:xmpp:jingle:apps:rtp:rtcp-fb:0\"]');\n    if (tmp.length) {\n        media += 'a=rtcp-fb:' + '*' + ' ' + 'trr-int' + ' ';\n        if (tmp.attr('value')) {\n            media += tmp.attr('value');\n        } else {\n            media += '0';\n        }\n        media += '\\r\\n';\n    }\n    tmp = elem.find('>rtcp-fb[xmlns=\"urn:xmpp:jingle:apps:rtp:rtcp-fb:0\"]');\n    tmp.each(function () {\n        media += 'a=rtcp-fb:' + payloadtype + ' ' + $(this).attr('type');\n        if ($(this).attr('subtype')) {\n            media += ' ' + $(this).attr('subtype');\n        }\n        media += '\\r\\n';\n    });\n    return media;\n};\n\n// construct an SDP from a jingle stanza\nSDP.prototype.fromJingle = function (jingle) {\n    var self = this;\n    this.raw = 'v=0\\r\\n' +\n        'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\\r\\n' +// FIXME\n        's=-\\r\\n' +\n        't=0 0\\r\\n';\n    // http://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-04#section-8\n    if ($(jingle).find('>group[xmlns=\"urn:xmpp:jingle:apps:grouping:0\"]').length) {\n        $(jingle).find('>group[xmlns=\"urn:xmpp:jingle:apps:grouping:0\"]').each(function (idx, group) {\n            var contents = $(group).find('>content').map(function (idx, content) {\n                return content.getAttribute('name');\n            }).get();\n            if (contents.length > 0) {\n                self.raw += 'a=group:' + (group.getAttribute('semantics') || group.getAttribute('type')) + ' ' + contents.join(' ') + '\\r\\n';\n            }\n        });\n    }\n\n    this.session = this.raw;\n    jingle.find('>content').each(function () {\n        var m = self.jingle2media($(this));\n        self.media.push(m);\n    });\n\n    // reconstruct msid-semantic -- apparently not necessary\n    /*\n     var msid = SDPUtil.parse_ssrc(this.raw);\n     if (msid.hasOwnProperty('mslabel')) {\n     this.session += \"a=msid-semantic: WMS \" + msid.mslabel + \"\\r\\n\";\n     }\n     */\n\n    this.raw = this.session + this.media.join('');\n};\n\n// translate a jingle content element into an an SDP media part\nSDP.prototype.jingle2media = function (content) {\n    var media = '',\n        desc = content.find('description'),\n        ssrc = desc.attr('ssrc'),\n        self = this,\n        tmp;\n    var sctp = content.find(\n        '>transport>sctpmap[xmlns=\"urn:xmpp:jingle:transports:dtls-sctp:1\"]');\n\n    tmp = { media: desc.attr('media') };\n    tmp.port = '1';\n    if (content.attr('senders') == 'rejected') {\n        // estos hack to reject an m-line.\n        tmp.port = '0';\n    }\n    if (content.find('>transport>fingerprint').length || desc.find('encryption').length) {\n        if (sctp.length)\n            tmp.proto = 'DTLS/SCTP';\n        else\n            tmp.proto = 'RTP/SAVPF';\n    } else {\n        tmp.proto = 'RTP/AVPF';\n    }\n    if (!sctp.length)\n    {\n        tmp.fmt = desc.find('payload-type').map(\n            function () { return this.getAttribute('id'); }).get();\n        media += SDPUtil.build_mline(tmp) + '\\r\\n';\n    }\n    else\n    {\n        media += 'm=application 1 DTLS/SCTP ' + sctp.attr('number') + '\\r\\n';\n        media += 'a=sctpmap:' + sctp.attr('number') +\n            ' ' + sctp.attr('protocol');\n\n        var streamCount = sctp.attr('streams');\n        if (streamCount)\n            media += ' ' + streamCount + '\\r\\n';\n        else\n            media += '\\r\\n';\n    }\n\n    media += 'c=IN IP4 0.0.0.0\\r\\n';\n    if (!sctp.length)\n        media += 'a=rtcp:1 IN IP4 0.0.0.0\\r\\n';\n    tmp = content.find('>transport[xmlns=\"urn:xmpp:jingle:transports:ice-udp:1\"]');\n    if (tmp.length) {\n        if (tmp.attr('ufrag')) {\n            media += SDPUtil.build_iceufrag(tmp.attr('ufrag')) + '\\r\\n';\n        }\n        if (tmp.attr('pwd')) {\n            media += SDPUtil.build_icepwd(tmp.attr('pwd')) + '\\r\\n';\n        }\n        tmp.find('>fingerprint').each(function () {\n            // FIXME: check namespace at some point\n            media += 'a=fingerprint:' + this.getAttribute('hash');\n            media += ' ' + $(this).text();\n            media += '\\r\\n';\n            if (this.getAttribute('setup')) {\n                media += 'a=setup:' + this.getAttribute('setup') + '\\r\\n';\n            }\n        });\n    }\n    switch (content.attr('senders')) {\n        case 'initiator':\n            media += 'a=sendonly\\r\\n';\n            break;\n        case 'responder':\n            media += 'a=recvonly\\r\\n';\n            break;\n        case 'none':\n            media += 'a=inactive\\r\\n';\n            break;\n        case 'both':\n            media += 'a=sendrecv\\r\\n';\n            break;\n    }\n    media += 'a=mid:' + content.attr('name') + '\\r\\n';\n\n    // <description><rtcp-mux/></description>\n    // see http://code.google.com/p/libjingle/issues/detail?id=309 -- no spec though\n    // and http://mail.jabber.org/pipermail/jingle/2011-December/001761.html\n    if (desc.find('rtcp-mux').length) {\n        media += 'a=rtcp-mux\\r\\n';\n    }\n\n    if (desc.find('encryption').length) {\n        desc.find('encryption>crypto').each(function () {\n            media += 'a=crypto:' + this.getAttribute('tag');\n            media += ' ' + this.getAttribute('crypto-suite');\n            media += ' ' + this.getAttribute('key-params');\n            if (this.getAttribute('session-params')) {\n                media += ' ' + this.getAttribute('session-params');\n            }\n            media += '\\r\\n';\n        });\n    }\n    desc.find('payload-type').each(function () {\n        media += SDPUtil.build_rtpmap(this) + '\\r\\n';\n        if ($(this).find('>parameter').length) {\n            media += 'a=fmtp:' + this.getAttribute('id') + ' ';\n            media += $(this).find('parameter').map(function () { return (this.getAttribute('name') ? (this.getAttribute('name') + '=') : '') + this.getAttribute('value'); }).get().join('; ');\n            media += '\\r\\n';\n        }\n        // xep-0293\n        media += self.RtcpFbFromJingle($(this), this.getAttribute('id'));\n    });\n\n    // xep-0293\n    media += self.RtcpFbFromJingle(desc, '*');\n\n    // xep-0294\n    tmp = desc.find('>rtp-hdrext[xmlns=\"urn:xmpp:jingle:apps:rtp:rtp-hdrext:0\"]');\n    tmp.each(function () {\n        media += 'a=extmap:' + this.getAttribute('id') + ' ' + this.getAttribute('uri') + '\\r\\n';\n    });\n\n    content.find('>transport[xmlns=\"urn:xmpp:jingle:transports:ice-udp:1\"]>candidate').each(function () {\n        media += SDPUtil.candidateFromJingle(this);\n    });\n\n    // XEP-0339 handle ssrc-group attributes\n    tmp = content.find('description>ssrc-group[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]').each(function() {\n        var semantics = this.getAttribute('semantics');\n        var ssrcs = $(this).find('>source').map(function() {\n            return this.getAttribute('ssrc');\n        }).get();\n\n        if (ssrcs.length != 0) {\n            media += 'a=ssrc-group:' + semantics + ' ' + ssrcs.join(' ') + '\\r\\n';\n        }\n    });\n\n    tmp = content.find('description>source[xmlns=\"urn:xmpp:jingle:apps:rtp:ssma:0\"]');\n    tmp.each(function () {\n        var ssrc = this.getAttribute('ssrc');\n        $(this).find('>parameter').each(function () {\n            media += 'a=ssrc:' + ssrc + ' ' + this.getAttribute('name');\n            if (this.getAttribute('value') && this.getAttribute('value').length)\n                media += ':' + this.getAttribute('value');\n            media += '\\r\\n';\n        });\n    });\n\n    return media;\n};\n\n\nmodule.exports = SDP;\n\n","function SDPDiffer(mySDP, otherSDP) {\n    this.mySDP = mySDP;\n    this.otherSDP = otherSDP;\n}\n\n/**\n * Returns map of MediaChannel that contains only media not contained in <tt>otherSdp</tt>. Mapped by channel idx.\n * @param otherSdp the other SDP to check ssrc with.\n */\nSDPDiffer.prototype.getNewMedia = function() {\n\n    // this could be useful in Array.prototype.\n    function arrayEquals(array) {\n        // if the other array is a falsy value, return\n        if (!array)\n            return false;\n\n        // compare lengths - can save a lot of time\n        if (this.length != array.length)\n            return false;\n\n        for (var i = 0, l=this.length; i < l; i++) {\n            // Check if we have nested arrays\n            if (this[i] instanceof Array && array[i] instanceof Array) {\n                // recurse into the nested arrays\n                if (!this[i].equals(array[i]))\n                    return false;\n            }\n            else if (this[i] != array[i]) {\n                // Warning - two different object instances will never be equal: {x:20} != {x:20}\n                return false;\n            }\n        }\n        return true;\n    }\n\n    var myMedias = this.mySDP.getMediaSsrcMap();\n    var othersMedias = this.otherSDP.getMediaSsrcMap();\n    var newMedia = {};\n    Object.keys(othersMedias).forEach(function(othersMediaIdx) {\n        var myMedia = myMedias[othersMediaIdx];\n        var othersMedia = othersMedias[othersMediaIdx];\n        if(!myMedia && othersMedia) {\n            // Add whole channel\n            newMedia[othersMediaIdx] = othersMedia;\n            return;\n        }\n        // Look for new ssrcs accross the channel\n        Object.keys(othersMedia.ssrcs).forEach(function(ssrc) {\n            if(Object.keys(myMedia.ssrcs).indexOf(ssrc) === -1) {\n                // Allocate channel if we've found ssrc that doesn't exist in our channel\n                if(!newMedia[othersMediaIdx]){\n                    newMedia[othersMediaIdx] = {\n                        mediaindex: othersMedia.mediaindex,\n                        mid: othersMedia.mid,\n                        ssrcs: {},\n                        ssrcGroups: []\n                    };\n                }\n                newMedia[othersMediaIdx].ssrcs[ssrc] = othersMedia.ssrcs[ssrc];\n            }\n        });\n\n        // Look for new ssrc groups across the channels\n        othersMedia.ssrcGroups.forEach(function(otherSsrcGroup){\n\n            // try to match the other ssrc-group with an ssrc-group of ours\n            var matched = false;\n            for (var i = 0; i < myMedia.ssrcGroups.length; i++) {\n                var mySsrcGroup = myMedia.ssrcGroups[i];\n                if (otherSsrcGroup.semantics == mySsrcGroup.semantics\n                    && arrayEquals.apply(otherSsrcGroup.ssrcs, [mySsrcGroup.ssrcs])) {\n\n                    matched = true;\n                    break;\n                }\n            }\n\n            if (!matched) {\n                // Allocate channel if we've found an ssrc-group that doesn't\n                // exist in our channel\n\n                if(!newMedia[othersMediaIdx]){\n                    newMedia[othersMediaIdx] = {\n                        mediaindex: othersMedia.mediaindex,\n                        mid: othersMedia.mid,\n                        ssrcs: {},\n                        ssrcGroups: []\n                    };\n                }\n                newMedia[othersMediaIdx].ssrcGroups.push(otherSsrcGroup);\n            }\n        });\n    });\n    return newMedia;\n};\n\n/**\n * Sends SSRC update IQ.\n * @param sdpMediaSsrcs SSRCs map obtained from SDP.getNewMedia. Cntains SSRCs to add/remove.\n * @param sid session identifier that will be put into the IQ.\n * @param initiator initiator identifier.\n * @param toJid destination Jid\n * @param isAdd indicates if this is remove or add operation.\n */\nSDPDiffer.prototype.toJingle = function(modify) {\n    var sdpMediaSsrcs = this.getNewMedia();\n    var self = this;\n\n    // FIXME: only announce video ssrcs since we mix audio and dont need\n    //      the audio ssrcs therefore\n    var modified = false;\n    Object.keys(sdpMediaSsrcs).forEach(function(mediaindex){\n        modified = true;\n        var media = sdpMediaSsrcs[mediaindex];\n        modify.c('content', {name: media.mid});\n\n        modify.c('description', {xmlns:'urn:xmpp:jingle:apps:rtp:1', media: media.mid});\n        // FIXME: not completly sure this operates on blocks and / or handles different ssrcs correctly\n        // generate sources from lines\n        Object.keys(media.ssrcs).forEach(function(ssrcNum) {\n            var mediaSsrc = media.ssrcs[ssrcNum];\n            modify.c('source', { xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });\n            modify.attrs({ssrc: mediaSsrc.ssrc});\n            // iterate over ssrc lines\n            mediaSsrc.lines.forEach(function (line) {\n                var idx = line.indexOf(' ');\n                var kv = line.substr(idx + 1);\n                modify.c('parameter');\n                if (kv.indexOf(':') == -1) {\n                    modify.attrs({ name: kv });\n                } else {\n                    modify.attrs({ name: kv.split(':', 2)[0] });\n                    modify.attrs({ value: kv.split(':', 2)[1] });\n                }\n                modify.up(); // end of parameter\n            });\n            modify.up(); // end of source\n        });\n\n        // generate source groups from lines\n        media.ssrcGroups.forEach(function(ssrcGroup) {\n            if (ssrcGroup.ssrcs.length != 0) {\n\n                modify.c('ssrc-group', {\n                    semantics: ssrcGroup.semantics,\n                    xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0'\n                });\n\n                ssrcGroup.ssrcs.forEach(function (ssrc) {\n                    modify.c('source', { ssrc: ssrc })\n                        .up(); // end of source\n                });\n                modify.up(); // end of ssrc-group\n            }\n        });\n\n        modify.up(); // end of description\n        modify.up(); // end of content\n    });\n\n    return modified;\n};\n\nmodule.exports = SDPDiffer;","SDPUtil = {\n    iceparams: function (mediadesc, sessiondesc) {\n        var data = null;\n        if (SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc) &&\n            SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc)) {\n            data = {\n                ufrag: SDPUtil.parse_iceufrag(SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc)),\n                pwd: SDPUtil.parse_icepwd(SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc))\n            };\n        }\n        return data;\n    },\n    parse_iceufrag: function (line) {\n        return line.substring(12);\n    },\n    build_iceufrag: function (frag) {\n        return 'a=ice-ufrag:' + frag;\n    },\n    parse_icepwd: function (line) {\n        return line.substring(10);\n    },\n    build_icepwd: function (pwd) {\n        return 'a=ice-pwd:' + pwd;\n    },\n    parse_mid: function (line) {\n        return line.substring(6);\n    },\n    parse_mline: function (line) {\n        var parts = line.substring(2).split(' '),\n            data = {};\n        data.media = parts.shift();\n        data.port = parts.shift();\n        data.proto = parts.shift();\n        if (parts[parts.length - 1] === '') { // trailing whitespace\n            parts.pop();\n        }\n        data.fmt = parts;\n        return data;\n    },\n    build_mline: function (mline) {\n        return 'm=' + mline.media + ' ' + mline.port + ' ' + mline.proto + ' ' + mline.fmt.join(' ');\n    },\n    parse_rtpmap: function (line) {\n        var parts = line.substring(9).split(' '),\n            data = {};\n        data.id = parts.shift();\n        parts = parts[0].split('/');\n        data.name = parts.shift();\n        data.clockrate = parts.shift();\n        data.channels = parts.length ? parts.shift() : '1';\n        return data;\n    },\n    /**\n     * Parses SDP line \"a=sctpmap:...\" and extracts SCTP port from it.\n     * @param line eg. \"a=sctpmap:5000 webrtc-datachannel\"\n     * @returns [SCTP port number, protocol, streams]\n     */\n    parse_sctpmap: function (line)\n    {\n        var parts = line.substring(10).split(' ');\n        var sctpPort = parts[0];\n        var protocol = parts[1];\n        // Stream count is optional\n        var streamCount = parts.length > 2 ? parts[2] : null;\n        return [sctpPort, protocol, streamCount];// SCTP port\n    },\n    build_rtpmap: function (el) {\n        var line = 'a=rtpmap:' + el.getAttribute('id') + ' ' + el.getAttribute('name') + '/' + el.getAttribute('clockrate');\n        if (el.getAttribute('channels') && el.getAttribute('channels') != '1') {\n            line += '/' + el.getAttribute('channels');\n        }\n        return line;\n    },\n    parse_crypto: function (line) {\n        var parts = line.substring(9).split(' '),\n            data = {};\n        data.tag = parts.shift();\n        data['crypto-suite'] = parts.shift();\n        data['key-params'] = parts.shift();\n        if (parts.length) {\n            data['session-params'] = parts.join(' ');\n        }\n        return data;\n    },\n    parse_fingerprint: function (line) { // RFC 4572\n        var parts = line.substring(14).split(' '),\n            data = {};\n        data.hash = parts.shift();\n        data.fingerprint = parts.shift();\n        // TODO assert that fingerprint satisfies 2UHEX *(\":\" 2UHEX) ?\n        return data;\n    },\n    parse_fmtp: function (line) {\n        var parts = line.split(' '),\n            i, key, value,\n            data = [];\n        parts.shift();\n        parts = parts.join(' ').split(';');\n        for (i = 0; i < parts.length; i++) {\n            key = parts[i].split('=')[0];\n            while (key.length && key[0] == ' ') {\n                key = key.substring(1);\n            }\n            value = parts[i].split('=')[1];\n            if (key && value) {\n                data.push({name: key, value: value});\n            } else if (key) {\n                // rfc 4733 (DTMF) style stuff\n                data.push({name: '', value: key});\n            }\n        }\n        return data;\n    },\n    parse_icecandidate: function (line) {\n        var candidate = {},\n            elems = line.split(' ');\n        candidate.foundation = elems[0].substring(12);\n        candidate.component = elems[1];\n        candidate.protocol = elems[2].toLowerCase();\n        candidate.priority = elems[3];\n        candidate.ip = elems[4];\n        candidate.port = elems[5];\n        // elems[6] => \"typ\"\n        candidate.type = elems[7];\n        candidate.generation = 0; // default value, may be overwritten below\n        for (var i = 8; i < elems.length; i += 2) {\n            switch (elems[i]) {\n                case 'raddr':\n                    candidate['rel-addr'] = elems[i + 1];\n                    break;\n                case 'rport':\n                    candidate['rel-port'] = elems[i + 1];\n                    break;\n                case 'generation':\n                    candidate.generation = elems[i + 1];\n                    break;\n                case 'tcptype':\n                    candidate.tcptype = elems[i + 1];\n                    break;\n                default: // TODO\n                    console.log('parse_icecandidate not translating \"' + elems[i] + '\" = \"' + elems[i + 1] + '\"');\n            }\n        }\n        candidate.network = '1';\n        candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random\n        return candidate;\n    },\n    build_icecandidate: function (cand) {\n        var line = ['a=candidate:' + cand.foundation, cand.component, cand.protocol, cand.priority, cand.ip, cand.port, 'typ', cand.type].join(' ');\n        line += ' ';\n        switch (cand.type) {\n            case 'srflx':\n            case 'prflx':\n            case 'relay':\n                if (cand.hasOwnAttribute('rel-addr') && cand.hasOwnAttribute('rel-port')) {\n                    line += 'raddr';\n                    line += ' ';\n                    line += cand['rel-addr'];\n                    line += ' ';\n                    line += 'rport';\n                    line += ' ';\n                    line += cand['rel-port'];\n                    line += ' ';\n                }\n                break;\n        }\n        if (cand.hasOwnAttribute('tcptype')) {\n            line += 'tcptype';\n            line += ' ';\n            line += cand.tcptype;\n            line += ' ';\n        }\n        line += 'generation';\n        line += ' ';\n        line += cand.hasOwnAttribute('generation') ? cand.generation : '0';\n        return line;\n    },\n    parse_ssrc: function (desc) {\n        // proprietary mapping of a=ssrc lines\n        // TODO: see \"Jingle RTP Source Description\" by Juberti and P. Thatcher on google docs\n        // and parse according to that\n        var lines = desc.split('\\r\\n'),\n            data = {};\n        for (var i = 0; i < lines.length; i++) {\n            if (lines[i].substring(0, 7) == 'a=ssrc:') {\n                var idx = lines[i].indexOf(' ');\n                data[lines[i].substr(idx + 1).split(':', 2)[0]] = lines[i].substr(idx + 1).split(':', 2)[1];\n            }\n        }\n        return data;\n    },\n    parse_rtcpfb: function (line) {\n        var parts = line.substr(10).split(' ');\n        var data = {};\n        data.pt = parts.shift();\n        data.type = parts.shift();\n        data.params = parts;\n        return data;\n    },\n    parse_extmap: function (line) {\n        var parts = line.substr(9).split(' ');\n        var data = {};\n        data.value = parts.shift();\n        if (data.value.indexOf('/') != -1) {\n            data.direction = data.value.substr(data.value.indexOf('/') + 1);\n            data.value = data.value.substr(0, data.value.indexOf('/'));\n        } else {\n            data.direction = 'both';\n        }\n        data.uri = parts.shift();\n        data.params = parts;\n        return data;\n    },\n    find_line: function (haystack, needle, sessionpart) {\n        var lines = haystack.split('\\r\\n');\n        for (var i = 0; i < lines.length; i++) {\n            if (lines[i].substring(0, needle.length) == needle) {\n                return lines[i];\n            }\n        }\n        if (!sessionpart) {\n            return false;\n        }\n        // search session part\n        lines = sessionpart.split('\\r\\n');\n        for (var j = 0; j < lines.length; j++) {\n            if (lines[j].substring(0, needle.length) == needle) {\n                return lines[j];\n            }\n        }\n        return false;\n    },\n    find_lines: function (haystack, needle, sessionpart) {\n        var lines = haystack.split('\\r\\n'),\n            needles = [];\n        for (var i = 0; i < lines.length; i++) {\n            if (lines[i].substring(0, needle.length) == needle)\n                needles.push(lines[i]);\n        }\n        if (needles.length || !sessionpart) {\n            return needles;\n        }\n        // search session part\n        lines = sessionpart.split('\\r\\n');\n        for (var j = 0; j < lines.length; j++) {\n            if (lines[j].substring(0, needle.length) == needle) {\n                needles.push(lines[j]);\n            }\n        }\n        return needles;\n    },\n    candidateToJingle: function (line) {\n        // a=candidate:2979166662 1 udp 2113937151 192.168.2.100 57698 typ host generation 0\n        //      <candidate component=... foundation=... generation=... id=... ip=... network=... port=... priority=... protocol=... type=.../>\n        if (line.indexOf('candidate:') === 0) {\n            line = 'a=' + line;\n        } else if (line.substring(0, 12) != 'a=candidate:') {\n            console.log('parseCandidate called with a line that is not a candidate line');\n            console.log(line);\n            return null;\n        }\n        if (line.substring(line.length - 2) == '\\r\\n') // chomp it\n            line = line.substring(0, line.length - 2);\n        var candidate = {},\n            elems = line.split(' '),\n            i;\n        if (elems[6] != 'typ') {\n            console.log('did not find typ in the right place');\n            console.log(line);\n            return null;\n        }\n        candidate.foundation = elems[0].substring(12);\n        candidate.component = elems[1];\n        candidate.protocol = elems[2].toLowerCase();\n        candidate.priority = elems[3];\n        candidate.ip = elems[4];\n        candidate.port = elems[5];\n        // elems[6] => \"typ\"\n        candidate.type = elems[7];\n\n        candidate.generation = '0'; // default, may be overwritten below\n        for (i = 8; i < elems.length; i += 2) {\n            switch (elems[i]) {\n                case 'raddr':\n                    candidate['rel-addr'] = elems[i + 1];\n                    break;\n                case 'rport':\n                    candidate['rel-port'] = elems[i + 1];\n                    break;\n                case 'generation':\n                    candidate.generation = elems[i + 1];\n                    break;\n                case 'tcptype':\n                    candidate.tcptype = elems[i + 1];\n                    break;\n                default: // TODO\n                    console.log('not translating \"' + elems[i] + '\" = \"' + elems[i + 1] + '\"');\n            }\n        }\n        candidate.network = '1';\n        candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random\n        return candidate;\n    },\n    candidateFromJingle: function (cand) {\n        var line = 'a=candidate:';\n        line += cand.getAttribute('foundation');\n        line += ' ';\n        line += cand.getAttribute('component');\n        line += ' ';\n        line += cand.getAttribute('protocol'); //.toUpperCase(); // chrome M23 doesn't like this\n        line += ' ';\n        line += cand.getAttribute('priority');\n        line += ' ';\n        line += cand.getAttribute('ip');\n        line += ' ';\n        line += cand.getAttribute('port');\n        line += ' ';\n        line += 'typ';\n        line += ' ' + cand.getAttribute('type');\n        line += ' ';\n        switch (cand.getAttribute('type')) {\n            case 'srflx':\n            case 'prflx':\n            case 'relay':\n                if (cand.getAttribute('rel-addr') && cand.getAttribute('rel-port')) {\n                    line += 'raddr';\n                    line += ' ';\n                    line += cand.getAttribute('rel-addr');\n                    line += ' ';\n                    line += 'rport';\n                    line += ' ';\n                    line += cand.getAttribute('rel-port');\n                    line += ' ';\n                }\n                break;\n        }\n        if (cand.getAttribute('protocol').toLowerCase() == 'tcp') {\n            line += 'tcptype';\n            line += ' ';\n            line += cand.getAttribute('tcptype');\n            line += ' ';\n        }\n        line += 'generation';\n        line += ' ';\n        line += cand.getAttribute('generation') || '0';\n        return line + '\\r\\n';\n    }\n};\nmodule.exports = SDPUtil;","function TraceablePeerConnection(ice_config, constraints) {\n    var self = this;\n    var RTCPeerconnection = navigator.mozGetUserMedia ? mozRTCPeerConnection : webkitRTCPeerConnection;\n    this.peerconnection = new RTCPeerconnection(ice_config, constraints);\n    this.updateLog = [];\n    this.stats = {};\n    this.statsinterval = null;\n    this.maxstats = 0; // limit to 300 values, i.e. 5 minutes; set to 0 to disable\n\n    // override as desired\n    this.trace = function (what, info) {\n        //console.warn('WTRACE', what, info);\n        self.updateLog.push({\n            time: new Date(),\n            type: what,\n            value: info || \"\"\n        });\n    };\n    this.onicecandidate = null;\n    this.peerconnection.onicecandidate = function (event) {\n        self.trace('onicecandidate', JSON.stringify(event.candidate, null, ' '));\n        if (self.onicecandidate !== null) {\n            self.onicecandidate(event);\n        }\n    };\n    this.onaddstream = null;\n    this.peerconnection.onaddstream = function (event) {\n        self.trace('onaddstream', event.stream.id);\n        if (self.onaddstream !== null) {\n            self.onaddstream(event);\n        }\n    };\n    this.onremovestream = null;\n    this.peerconnection.onremovestream = function (event) {\n        self.trace('onremovestream', event.stream.id);\n        if (self.onremovestream !== null) {\n            self.onremovestream(event);\n        }\n    };\n    this.onsignalingstatechange = null;\n    this.peerconnection.onsignalingstatechange = function (event) {\n        self.trace('onsignalingstatechange', self.signalingState);\n        if (self.onsignalingstatechange !== null) {\n            self.onsignalingstatechange(event);\n        }\n    };\n    this.oniceconnectionstatechange = null;\n    this.peerconnection.oniceconnectionstatechange = function (event) {\n        self.trace('oniceconnectionstatechange', self.iceConnectionState);\n        if (self.oniceconnectionstatechange !== null) {\n            self.oniceconnectionstatechange(event);\n        }\n    };\n    this.onnegotiationneeded = null;\n    this.peerconnection.onnegotiationneeded = function (event) {\n        self.trace('onnegotiationneeded');\n        if (self.onnegotiationneeded !== null) {\n            self.onnegotiationneeded(event);\n        }\n    };\n    self.ondatachannel = null;\n    this.peerconnection.ondatachannel = function (event) {\n        self.trace('ondatachannel', event);\n        if (self.ondatachannel !== null) {\n            self.ondatachannel(event);\n        }\n    };\n    if (!navigator.mozGetUserMedia && this.maxstats) {\n        this.statsinterval = window.setInterval(function() {\n            self.peerconnection.getStats(function(stats) {\n                var results = stats.result();\n                for (var i = 0; i < results.length; ++i) {\n                    //console.log(results[i].type, results[i].id, results[i].names())\n                    var now = new Date();\n                    results[i].names().forEach(function (name) {\n                        var id = results[i].id + '-' + name;\n                        if (!self.stats[id]) {\n                            self.stats[id] = {\n                                startTime: now,\n                                endTime: now,\n                                values: [],\n                                times: []\n                            };\n                        }\n                        self.stats[id].values.push(results[i].stat(name));\n                        self.stats[id].times.push(now.getTime());\n                        if (self.stats[id].values.length > self.maxstats) {\n                            self.stats[id].values.shift();\n                            self.stats[id].times.shift();\n                        }\n                        self.stats[id].endTime = now;\n                    });\n                }\n            });\n\n        }, 1000);\n    }\n};\n\ndumpSDP = function(description) {\n    return 'type: ' + description.type + '\\r\\n' + description.sdp;\n}\n\nif (TraceablePeerConnection.prototype.__defineGetter__ !== undefined) {\n    TraceablePeerConnection.prototype.__defineGetter__('signalingState', function() { return this.peerconnection.signalingState; });\n    TraceablePeerConnection.prototype.__defineGetter__('iceConnectionState', function() { return this.peerconnection.iceConnectionState; });\n    TraceablePeerConnection.prototype.__defineGetter__('localDescription', function() {\n        var publicLocalDescription = simulcast.reverseTransformLocalDescription(this.peerconnection.localDescription);\n        return publicLocalDescription;\n    });\n    TraceablePeerConnection.prototype.__defineGetter__('remoteDescription', function() {\n        var publicRemoteDescription = simulcast.reverseTransformRemoteDescription(this.peerconnection.remoteDescription);\n        return publicRemoteDescription;\n    });\n}\n\nTraceablePeerConnection.prototype.addStream = function (stream) {\n    this.trace('addStream', stream.id);\n    simulcast.resetSender();\n    try\n    {\n        this.peerconnection.addStream(stream);\n    }\n    catch (e)\n    {\n        console.error(e);\n        return;\n    }\n};\n\nTraceablePeerConnection.prototype.removeStream = function (stream, stopStreams) {\n    this.trace('removeStream', stream.id);\n    simulcast.resetSender();\n    if(stopStreams) {\n        stream.getAudioTracks().forEach(function (track) {\n            track.stop();\n        });\n        stream.getVideoTracks().forEach(function (track) {\n            track.stop();\n        });\n    }\n    this.peerconnection.removeStream(stream);\n};\n\nTraceablePeerConnection.prototype.createDataChannel = function (label, opts) {\n    this.trace('createDataChannel', label, opts);\n    return this.peerconnection.createDataChannel(label, opts);\n};\n\nTraceablePeerConnection.prototype.setLocalDescription = function (description, successCallback, failureCallback) {\n    var self = this;\n    description = simulcast.transformLocalDescription(description);\n    this.trace('setLocalDescription', dumpSDP(description));\n    this.peerconnection.setLocalDescription(description,\n        function () {\n            self.trace('setLocalDescriptionOnSuccess');\n            successCallback();\n        },\n        function (err) {\n            self.trace('setLocalDescriptionOnFailure', err);\n            failureCallback(err);\n        }\n    );\n    /*\n     if (this.statsinterval === null && this.maxstats > 0) {\n     // start gathering stats\n     }\n     */\n};\n\nTraceablePeerConnection.prototype.setRemoteDescription = function (description, successCallback, failureCallback) {\n    var self = this;\n    description = simulcast.transformRemoteDescription(description);\n    this.trace('setRemoteDescription', dumpSDP(description));\n    this.peerconnection.setRemoteDescription(description,\n        function () {\n            self.trace('setRemoteDescriptionOnSuccess');\n            successCallback();\n        },\n        function (err) {\n            self.trace('setRemoteDescriptionOnFailure', err);\n            failureCallback(err);\n        }\n    );\n    /*\n     if (this.statsinterval === null && this.maxstats > 0) {\n     // start gathering stats\n     }\n     */\n};\n\nTraceablePeerConnection.prototype.close = function () {\n    this.trace('stop');\n    if (this.statsinterval !== null) {\n        window.clearInterval(this.statsinterval);\n        this.statsinterval = null;\n    }\n    this.peerconnection.close();\n};\n\nTraceablePeerConnection.prototype.createOffer = function (successCallback, failureCallback, constraints) {\n    var self = this;\n    this.trace('createOffer', JSON.stringify(constraints, null, ' '));\n    this.peerconnection.createOffer(\n        function (offer) {\n            self.trace('createOfferOnSuccess', dumpSDP(offer));\n            successCallback(offer);\n        },\n        function(err) {\n            self.trace('createOfferOnFailure', err);\n            failureCallback(err);\n        },\n        constraints\n    );\n};\n\nTraceablePeerConnection.prototype.createAnswer = function (successCallback, failureCallback, constraints) {\n    var self = this;\n    this.trace('createAnswer', JSON.stringify(constraints, null, ' '));\n    this.peerconnection.createAnswer(\n        function (answer) {\n            answer = simulcast.transformAnswer(answer);\n            self.trace('createAnswerOnSuccess', dumpSDP(answer));\n            successCallback(answer);\n        },\n        function(err) {\n            self.trace('createAnswerOnFailure', err);\n            failureCallback(err);\n        },\n        constraints\n    );\n};\n\nTraceablePeerConnection.prototype.addIceCandidate = function (candidate, successCallback, failureCallback) {\n    var self = this;\n    this.trace('addIceCandidate', JSON.stringify(candidate, null, ' '));\n    this.peerconnection.addIceCandidate(candidate);\n    /* maybe later\n     this.peerconnection.addIceCandidate(candidate,\n     function () {\n     self.trace('addIceCandidateOnSuccess');\n     successCallback();\n     },\n     function (err) {\n     self.trace('addIceCandidateOnFailure', err);\n     failureCallback(err);\n     }\n     );\n     */\n};\n\nTraceablePeerConnection.prototype.getStats = function(callback, errback) {\n    if (navigator.mozGetUserMedia) {\n        // ignore for now...\n        if(!errback)\n            errback = function () {\n\n            }\n        this.peerconnection.getStats(null,callback,errback);\n    } else {\n        this.peerconnection.getStats(callback);\n    }\n};\n\nmodule.exports = TraceablePeerConnection;\n\n","/* global $, $iq, config, connection, UI, messageHandler,\n roomName, sessionTerminated, Strophe, Util */\n/**\n * Contains logic responsible for enabling/disabling functionality available\n * only to moderator users.\n */\nvar connection = null;\nvar focusUserJid;\nvar getNextTimeout = Util.createExpBackoffTimer(1000);\nvar getNextErrorTimeout = Util.createExpBackoffTimer(1000);\n// External authentication stuff\nvar externalAuthEnabled = false;\n// Sip gateway can be enabled by configuring Jigasi host in config.js or\n// it will be enabled automatically if focus detects the component through\n// service discovery.\nvar sipGatewayEnabled = config.hosts.call_control !== undefined;\n\nvar Moderator = {\n    isModerator: function () {\n        return connection && connection.emuc.isModerator();\n    },\n\n    isPeerModerator: function (peerJid) {\n        return connection &&\n            connection.emuc.getMemberRole(peerJid) === 'moderator';\n    },\n\n    isExternalAuthEnabled: function () {\n        return externalAuthEnabled;\n    },\n\n    isSipGatewayEnabled: function () {\n        return sipGatewayEnabled;\n    },\n\n    setConnection: function (con) {\n        connection = con;\n    },\n\n    init: function (xmpp) {\n        this.xmppService = xmpp;\n        this.onLocalRoleChange = function (from, member, pres) {\n            UI.onModeratorStatusChanged(Moderator.isModerator());\n        };\n    },\n\n    onMucLeft: function (jid) {\n        console.info(\"Someone left is it focus ? \" + jid);\n        var resource = Strophe.getResourceFromJid(jid);\n        if (resource === 'focus' && !this.xmppService.sessionTerminated) {\n            console.info(\n                \"Focus has left the room - leaving conference\");\n            //hangUp();\n            // We'd rather reload to have everything re-initialized\n            // FIXME: show some message before reload\n            location.reload();\n        }\n    },\n    \n    setFocusUserJid: function (focusJid) {\n        if (!focusUserJid) {\n            focusUserJid = focusJid;\n            console.info(\"Focus jid set to: \" + focusUserJid);\n        }\n    },\n\n    getFocusUserJid: function () {\n        return focusUserJid;\n    },\n\n    getFocusComponent: function () {\n        // Get focus component address\n        var focusComponent = config.hosts.focus;\n        // If not specified use default: 'focus.domain'\n        if (!focusComponent) {\n            focusComponent = 'focus.' + config.hosts.domain;\n        }\n        return focusComponent;\n    },\n\n    createConferenceIq: function (roomName) {\n        // Generate create conference IQ\n        var elem = $iq({to: Moderator.getFocusComponent(), type: 'set'});\n        elem.c('conference', {\n            xmlns: 'http://jitsi.org/protocol/focus',\n            room: roomName\n        });\n        if (config.hosts.bridge !== undefined) {\n            elem.c(\n                'property',\n                { name: 'bridge', value: config.hosts.bridge})\n                .up();\n        }\n        // Tell the focus we have Jigasi configured\n        if (config.hosts.call_control !== undefined) {\n            elem.c(\n                'property',\n                { name: 'call_control', value: config.hosts.call_control})\n                .up();\n        }\n        if (config.channelLastN !== undefined) {\n            elem.c(\n                'property',\n                { name: 'channelLastN', value: config.channelLastN})\n                .up();\n        }\n        if (config.adaptiveLastN !== undefined) {\n            elem.c(\n                'property',\n                { name: 'adaptiveLastN', value: config.adaptiveLastN})\n                .up();\n        }\n        if (config.adaptiveSimulcast !== undefined) {\n            elem.c(\n                'property',\n                { name: 'adaptiveSimulcast', value: config.adaptiveSimulcast})\n                .up();\n        }\n        if (config.openSctp !== undefined) {\n            elem.c(\n                'property',\n                { name: 'openSctp', value: config.openSctp})\n                .up();\n        }\n        if (config.enableFirefoxSupport !== undefined) {\n            elem.c(\n                'property',\n                { name: 'enableFirefoxHacks',\n                    value: config.enableFirefoxSupport})\n                .up();\n        }\n        elem.up();\n        return elem;\n    },\n\n    parseConfigOptions: function (resultIq) {\n    \n        Moderator.setFocusUserJid(\n            $(resultIq).find('conference').attr('focusjid'));\n    \n        var extAuthParam\n            = $(resultIq).find('>conference>property[name=\\'externalAuth\\']');\n        if (extAuthParam.length) {\n            externalAuthEnabled = extAuthParam.attr('value') === 'true';\n        }\n    \n        console.info(\"External authentication enabled: \" + externalAuthEnabled);\n    \n        // Check if focus has auto-detected Jigasi component(this will be also\n        // included if we have passed our host from the config)\n        if ($(resultIq).find(\n            '>conference>property[name=\\'sipGatewayEnabled\\']').length) {\n            sipGatewayEnabled = true;\n        }\n    \n        console.info(\"Sip gateway enabled: \" + sipGatewayEnabled);\n    },\n\n    // FIXME: we need to show the fact that we're waiting for the focus\n    // to the user(or that focus is not available)\n    allocateConferenceFocus: function (roomName, callback) {\n        // Try to use focus user JID from the config\n        Moderator.setFocusUserJid(config.focusUserJid);\n        // Send create conference IQ\n        var iq = Moderator.createConferenceIq(roomName);\n        connection.sendIQ(\n            iq,\n            function (result) {\n                if ('true' === $(result).find('conference').attr('ready')) {\n                    // Reset both timers\n                    getNextTimeout(true);\n                    getNextErrorTimeout(true);\n                    // Setup config options\n                    Moderator.parseConfigOptions(result);\n                    // Exec callback\n                    callback();\n                } else {\n                    var waitMs = getNextTimeout();\n                    console.info(\"Waiting for the focus... \" + waitMs);\n                    // Reset error timeout\n                    getNextErrorTimeout(true);\n                    window.setTimeout(\n                        function () {\n                            Moderator.allocateConferenceFocus(\n                                roomName, callback);\n                        }, waitMs);\n                }\n            },\n            function (error) {\n                // Not authorized to create new room\n                if ($(error).find('>error>not-authorized').length) {\n                    console.warn(\"Unauthorized to start the conference\");\n                    UI.onAuthenticationRequired(function () {\n                        Moderator.allocateConferenceFocus(roomName, callback);\n                    });\n                    return;\n                }\n                var waitMs = getNextErrorTimeout();\n                console.error(\"Focus error, retry after \" + waitMs, error);\n                // Show message\n                UI.messageHandler.notify(\n                    'Conference focus', 'disconnected',\n                        Moderator.getFocusComponent() +\n                        ' not available - retry in ' +\n                        (waitMs / 1000) + ' sec');\n                // Reset response timeout\n                getNextTimeout(true);\n                window.setTimeout(\n                    function () {\n                        Moderator.allocateConferenceFocus(roomName, callback);\n                    }, waitMs);\n            }\n        );\n    },\n\n    getAuthUrl: function (roomName, urlCallback) {\n        var iq = $iq({to: Moderator.getFocusComponent(), type: 'get'});\n        iq.c('auth-url', {\n            xmlns: 'http://jitsi.org/protocol/focus',\n            room: roomName\n        });\n        connection.sendIQ(\n            iq,\n            function (result) {\n                var url = $(result).find('auth-url').attr('url');\n                if (url) {\n                    console.info(\"Got auth url: \" + url);\n                    urlCallback(url);\n                } else {\n                    console.error(\n                        \"Failed to get auth url fro mthe focus\", result);\n                }\n            },\n            function (error) {\n                console.error(\"Get auth url error\", error);\n            }\n        );\n    }\n};\n\nmodule.exports = Moderator;\n\n\n\n","/* global $, $iq, config, connection, focusMucJid, messageHandler, Moderator,\n   Toolbar, Util */\nvar Moderator = require(\"./moderator\");\n\n\nvar recordingToken = null;\nvar recordingEnabled;\n\n/**\n * Whether to use a jirecon component for recording, or use the videobridge\n * through COLIBRI.\n */\nvar useJirecon = (typeof config.hosts.jirecon != \"undefined\");\n\n/**\n * The ID of the jirecon recording session. Jirecon generates it when we\n * initially start recording, and it needs to be used in subsequent requests\n * to jirecon.\n */\nvar jireconRid = null;\n\nfunction setRecordingToken(token) {\n    recordingToken = token;\n}\n\nfunction setRecording(state, token, callback) {\n    if (useJirecon){\n        this.setRecordingJirecon(state, token, callback);\n    } else {\n        this.setRecordingColibri(state, token, callback);\n    }\n}\n\nfunction setRecordingJirecon(state, token, callback) {\n    if (state == recordingEnabled){\n        return;\n    }\n\n    var iq = $iq({to: config.hosts.jirecon, type: 'set'})\n        .c('recording', {xmlns: 'http://jitsi.org/protocol/jirecon',\n            action: state ? 'start' : 'stop',\n            mucjid: connection.emuc.roomjid});\n    if (!state){\n        iq.attrs({rid: jireconRid});\n    }\n\n    console.log('Start recording');\n\n    connection.sendIQ(\n        iq,\n        function (result) {\n            // TODO wait for an IQ with the real status, since this is\n            // provisional?\n            jireconRid = $(result).find('recording').attr('rid');\n            console.log('Recording ' + (state ? 'started' : 'stopped') +\n                '(jirecon)' + result);\n            recordingEnabled = state;\n            if (!state){\n                jireconRid = null;\n            }\n\n            callback(state);\n        },\n        function (error) {\n            console.log('Failed to start recording, error: ', error);\n            callback(recordingEnabled);\n        });\n}\n\n// Sends a COLIBRI message which enables or disables (according to 'state')\n// the recording on the bridge. Waits for the result IQ and calls 'callback'\n// with the new recording state, according to the IQ.\nfunction setRecordingColibri(state, token, callback) {\n    var elem = $iq({to: focusMucJid, type: 'set'});\n    elem.c('conference', {\n        xmlns: 'http://jitsi.org/protocol/colibri'\n    });\n    elem.c('recording', {state: state, token: token});\n\n    connection.sendIQ(elem,\n        function (result) {\n            console.log('Set recording \"', state, '\". Result:', result);\n            var recordingElem = $(result).find('>conference>recording');\n            var newState = ('true' === recordingElem.attr('state'));\n\n            recordingEnabled = newState;\n            callback(newState);\n        },\n        function (error) {\n            console.warn(error);\n            callback(recordingEnabled);\n        }\n    );\n}\n\nvar Recording = {\n    toggleRecording: function (tokenEmptyCallback,\n                               startingCallback, startedCallback) {\n        if (!Moderator.isModerator()) {\n            console.log(\n                    'non-focus, or conference not yet organized:' +\n                    ' not enabling recording');\n            return;\n        }\n\n        // Jirecon does not (currently) support a token.\n        if (!recordingToken && !useJirecon) {\n            tokenEmptyCallback(function (value) {\n                setRecordingToken(value);\n                this.toggleRecording();\n            });\n\n            return;\n        }\n\n        var oldState = recordingEnabled;\n        startingCallback(!oldState);\n        setRecording(!oldState,\n            recordingToken,\n            function (state) {\n                console.log(\"New recording state: \", state);\n                if (state === oldState) {\n                    // FIXME: new focus:\n                    // this will not work when moderator changes\n                    // during active session. Then it will assume that\n                    // recording status has changed to true, but it might have\n                    // been already true(and we only received actual status from\n                    // the focus).\n                    //\n                    // SO we start with status null, so that it is initialized\n                    // here and will fail only after second click, so if invalid\n                    // token was used we have to press the button twice before\n                    // current status will be fetched and token will be reset.\n                    //\n                    // Reliable way would be to return authentication error.\n                    // Or status update when moderator connects.\n                    // Or we have to stop recording session when current\n                    // moderator leaves the room.\n\n                    // Failed to change, reset the token because it might\n                    // have been wrong\n                    setRecordingToken(null);\n                }\n                startedCallback(state);\n\n            }\n        );\n    }\n\n}\n\nmodule.exports = Recording;","/* jshint -W117 */\n/* a simple MUC connection plugin\n * can only handle a single MUC room\n */\n\nvar bridgeIsDown = false;\n\nvar Moderator = require(\"./moderator\");\n\nmodule.exports = function(XMPP, eventEmitter) {\n    Strophe.addConnectionPlugin('emuc', {\n        connection: null,\n        roomjid: null,\n        myroomjid: null,\n        members: {},\n        list_members: [], // so we can elect a new focus\n        presMap: {},\n        preziMap: {},\n        joined: false,\n        isOwner: false,\n        role: null,\n        init: function (conn) {\n            this.connection = conn;\n        },\n        initPresenceMap: function (myroomjid) {\n            this.presMap['to'] = myroomjid;\n            this.presMap['xns'] = 'http://jabber.org/protocol/muc';\n        },\n        doJoin: function (jid, password) {\n            this.myroomjid = jid;\n\n            console.info(\"Joined MUC as \" + this.myroomjid);\n\n            this.initPresenceMap(this.myroomjid);\n\n            if (!this.roomjid) {\n                this.roomjid = Strophe.getBareJidFromJid(jid);\n                // add handlers (just once)\n                this.connection.addHandler(this.onPresence.bind(this), null, 'presence', null, null, this.roomjid, {matchBare: true});\n                this.connection.addHandler(this.onPresenceUnavailable.bind(this), null, 'presence', 'unavailable', null, this.roomjid, {matchBare: true});\n                this.connection.addHandler(this.onPresenceError.bind(this), null, 'presence', 'error', null, this.roomjid, {matchBare: true});\n                this.connection.addHandler(this.onMessage.bind(this), null, 'message', null, null, this.roomjid, {matchBare: true});\n            }\n            if (password !== undefined) {\n                this.presMap['password'] = password;\n            }\n            this.sendPresence();\n        },\n        doLeave: function () {\n            console.log(\"do leave\", this.myroomjid);\n            var pres = $pres({to: this.myroomjid, type: 'unavailable' });\n            this.presMap.length = 0;\n            this.connection.send(pres);\n        },\n        createNonAnonymousRoom: function () {\n            // http://xmpp.org/extensions/xep-0045.html#createroom-reserved\n\n            var getForm = $iq({type: 'get', to: this.roomjid})\n                .c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'})\n                .c('x', {xmlns: 'jabber:x:data', type: 'submit'});\n\n            this.connection.sendIQ(getForm, function (form) {\n\n                if (!$(form).find(\n                        '>query>x[xmlns=\"jabber:x:data\"]' +\n                        '>field[var=\"muc#roomconfig_whois\"]').length) {\n\n                    console.error('non-anonymous rooms not supported');\n                    return;\n                }\n\n                var formSubmit = $iq({to: this.roomjid, type: 'set'})\n                    .c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'});\n\n                formSubmit.c('x', {xmlns: 'jabber:x:data', type: 'submit'});\n\n                formSubmit.c('field', {'var': 'FORM_TYPE'})\n                    .c('value')\n                    .t('http://jabber.org/protocol/muc#roomconfig').up().up();\n\n                formSubmit.c('field', {'var': 'muc#roomconfig_whois'})\n                    .c('value').t('anyone').up().up();\n\n                this.connection.sendIQ(formSubmit);\n\n            }, function (error) {\n                console.error(\"Error getting room configuration form\");\n            });\n        },\n        onPresence: function (pres) {\n            var from = pres.getAttribute('from');\n\n            // What is this for? A workaround for something?\n            if (pres.getAttribute('type')) {\n                return true;\n            }\n\n            // Parse etherpad tag.\n            var etherpad = $(pres).find('>etherpad');\n            if (etherpad.length) {\n                if (config.etherpad_base && !Moderator.isModerator()) {\n                    UI.initEtherpad(etherpad.text());\n                }\n            }\n\n            // Parse prezi tag.\n            var presentation = $(pres).find('>prezi');\n            if (presentation.length) {\n                var url = presentation.attr('url');\n                var current = presentation.find('>current').text();\n\n                console.log('presentation info received from', from, url);\n\n                if (this.preziMap[from] == null) {\n                    this.preziMap[from] = url;\n\n                    $(document).trigger('presentationadded.muc', [from, url, current]);\n                }\n                else {\n                    $(document).trigger('gotoslide.muc', [from, url, current]);\n                }\n            }\n            else if (this.preziMap[from] != null) {\n                var url = this.preziMap[from];\n                delete this.preziMap[from];\n                $(document).trigger('presentationremoved.muc', [from, url]);\n            }\n\n            // Parse audio info tag.\n            var audioMuted = $(pres).find('>audiomuted');\n            if (audioMuted.length) {\n                $(document).trigger('audiomuted.muc', [from, audioMuted.text()]);\n            }\n\n            // Parse video info tag.\n            var videoMuted = $(pres).find('>videomuted');\n            if (videoMuted.length) {\n                $(document).trigger('videomuted.muc', [from, videoMuted.text()]);\n            }\n\n            var stats = $(pres).find('>stats');\n            if (stats.length) {\n                var statsObj = {};\n                Strophe.forEachChild(stats[0], \"stat\", function (el) {\n                    statsObj[el.getAttribute(\"name\")] = el.getAttribute(\"value\");\n                });\n                connectionquality.updateRemoteStats(from, statsObj);\n            }\n\n            // Parse status.\n            if ($(pres).find('>x[xmlns=\"http://jabber.org/protocol/muc#user\"]>status[code=\"201\"]').length) {\n                this.isOwner = true;\n                this.createNonAnonymousRoom();\n            }\n\n            // Parse roles.\n            var member = {};\n            member.show = $(pres).find('>show').text();\n            member.status = $(pres).find('>status').text();\n            var tmp = $(pres).find('>x[xmlns=\"http://jabber.org/protocol/muc#user\"]>item');\n            member.affiliation = tmp.attr('affiliation');\n            member.role = tmp.attr('role');\n\n            // Focus recognition\n            member.jid = tmp.attr('jid');\n            member.isFocus = false;\n            if (member.jid\n                && member.jid.indexOf(Moderator.getFocusUserJid() + \"/\") == 0) {\n                member.isFocus = true;\n            }\n\n            var nicktag = $(pres).find('>nick[xmlns=\"http://jabber.org/protocol/nick\"]');\n            member.displayName = (nicktag.length > 0 ? nicktag.html() : null);\n\n            if (from == this.myroomjid) {\n                if (member.affiliation == 'owner') this.isOwner = true;\n                if (this.role !== member.role) {\n                    this.role = member.role;\n                    if (Moderator.onLocalRoleChange)\n                        Moderator.onLocalRoleChange(from, member, pres);\n                    UI.onLocalRoleChange(from, member, pres);\n                }\n                if (!this.joined) {\n                    this.joined = true;\n                    eventEmitter.emit(XMPPEvents.MUC_JOINED, from, member);\n                    this.list_members.push(from);\n                }\n            } else if (this.members[from] === undefined) {\n                // new participant\n                this.members[from] = member;\n                this.list_members.push(from);\n                console.log('entered', from, member);\n                if (member.isFocus) {\n                    focusMucJid = from;\n                    console.info(\"Ignore focus: \" + from + \", real JID: \" + member.jid);\n                }\n                else {\n                    var id = $(pres).find('>userID').text();\n                    var email = $(pres).find('>email');\n                    if (email.length > 0) {\n                        id = email.text();\n                    }\n                    UI.onMucEntered(from, id, member.displayName);\n                    API.triggerEvent(\"participantJoined\", {jid: from});\n                }\n            } else {\n                // Presence update for existing participant\n                // Watch role change:\n                if (this.members[from].role != member.role) {\n                    this.members[from].role = member.role;\n                    UI.onMucRoleChanged(member.role, member.displayName);\n                }\n            }\n\n            // Always trigger presence to update bindings\n            $(document).trigger('presence.muc', [from, member, pres]);\n            this.parsePresence(from, member, pres);\n\n            // Trigger status message update\n            if (member.status) {\n                UI.onMucPresenceStatus(from, member);\n            }\n\n            return true;\n        },\n        onPresenceUnavailable: function (pres) {\n            var from = pres.getAttribute('from');\n            // Status code 110 indicates that this notification is \"self-presence\".\n            if (!$(pres).find('>x[xmlns=\"http://jabber.org/protocol/muc#user\"]>status[code=\"110\"]').length) {\n                delete this.members[from];\n                this.list_members.splice(this.list_members.indexOf(from), 1);\n                this.onParticipantLeft(from);\n            }\n            // If the status code is 110 this means we're leaving and we would like\n            // to remove everyone else from our view, so we trigger the event.\n            else if (this.list_members.length > 1) {\n                for (var i = 0; i < this.list_members.length; i++) {\n                    var member = this.list_members[i];\n                    delete this.members[i];\n                    this.list_members.splice(i, 1);\n                    this.onParticipantLeft(member);\n                }\n            }\n            if ($(pres).find('>x[xmlns=\"http://jabber.org/protocol/muc#user\"]>status[code=\"307\"]').length) {\n                $(document).trigger('kicked.muc', [from]);\n                if (this.myroomjid === from) {\n                    XMPP.disposeConference(false);\n                    eventEmitter.emit(XMPPEvents.KICKED);\n                }\n            }\n            return true;\n        },\n        onPresenceError: function (pres) {\n            var from = pres.getAttribute('from');\n            if ($(pres).find('>error[type=\"auth\"]>not-authorized[xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"]').length) {\n                console.log('on password required', from);\n                var self = this;\n                UI.onPasswordReqiured(function (value) {\n                    self.doJoin(from, value);\n                });\n            } else if ($(pres).find(\n                '>error[type=\"cancel\"]>not-allowed[xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"]').length) {\n                var toDomain = Strophe.getDomainFromJid(pres.getAttribute('to'));\n                if (toDomain === config.hosts.anonymousdomain) {\n                    // we are connected with anonymous domain and only non anonymous users can create rooms\n                    // we must authorize the user\n                    XMPP.promptLogin();\n                } else {\n                    console.warn('onPresError ', pres);\n                    UI.messageHandler.openReportDialog(null,\n                        'Oops! Something went wrong and we couldn`t connect to the conference.',\n                        pres);\n                }\n            } else {\n                console.warn('onPresError ', pres);\n                UI.messageHandler.openReportDialog(null,\n                    'Oops! Something went wrong and we couldn`t connect to the conference.',\n                    pres);\n            }\n            return true;\n        },\n        sendMessage: function (body, nickname) {\n            var msg = $msg({to: this.roomjid, type: 'groupchat'});\n            msg.c('body', body).up();\n            if (nickname) {\n                msg.c('nick', {xmlns: 'http://jabber.org/protocol/nick'}).t(nickname).up().up();\n            }\n            this.connection.send(msg);\n            API.triggerEvent(\"outgoingMessage\", {\"message\": body});\n        },\n        setSubject: function (subject) {\n            var msg = $msg({to: this.roomjid, type: 'groupchat'});\n            msg.c('subject', subject);\n            this.connection.send(msg);\n            console.log(\"topic changed to \" + subject);\n        },\n        onMessage: function (msg) {\n            // FIXME: this is a hack. but jingle on muc makes nickchanges hard\n            var from = msg.getAttribute('from');\n            var nick = $(msg).find('>nick[xmlns=\"http://jabber.org/protocol/nick\"]').text() || Strophe.getResourceFromJid(from);\n\n            var txt = $(msg).find('>body').text();\n            var type = msg.getAttribute(\"type\");\n            if (type == \"error\") {\n                UI.chatAddError($(msg).find('>text').text(), txt);\n                return true;\n            }\n\n            var subject = $(msg).find('>subject');\n            if (subject.length) {\n                var subjectText = subject.text();\n                if (subjectText || subjectText == \"\") {\n                    UI.chatSetSubject(subjectText);\n                    console.log(\"Subject is changed to \" + subjectText);\n                }\n            }\n\n\n            if (txt) {\n                console.log('chat', nick, txt);\n                UI.updateChatConversation(from, nick, txt);\n                if (from != this.myroomjid)\n                    API.triggerEvent(\"incomingMessage\",\n                        {\"from\": from, \"nick\": nick, \"message\": txt});\n            }\n            return true;\n        },\n        lockRoom: function (key, onSuccess, onError, onNotSupported) {\n            //http://xmpp.org/extensions/xep-0045.html#roomconfig\n            var ob = this;\n            this.connection.sendIQ($iq({to: this.roomjid, type: 'get'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'}),\n                function (res) {\n                    if ($(res).find('>query>x[xmlns=\"jabber:x:data\"]>field[var=\"muc#roomconfig_roomsecret\"]').length) {\n                        var formsubmit = $iq({to: ob.roomjid, type: 'set'}).c('query', {xmlns: 'http://jabber.org/protocol/muc#owner'});\n                        formsubmit.c('x', {xmlns: 'jabber:x:data', type: 'submit'});\n                        formsubmit.c('field', {'var': 'FORM_TYPE'}).c('value').t('http://jabber.org/protocol/muc#roomconfig').up().up();\n                        formsubmit.c('field', {'var': 'muc#roomconfig_roomsecret'}).c('value').t(key).up().up();\n                        // Fixes a bug in prosody 0.9.+ https://code.google.com/p/lxmppd/issues/detail?id=373\n                        formsubmit.c('field', {'var': 'muc#roomconfig_whois'}).c('value').t('anyone').up().up();\n                        // FIXME: is muc#roomconfig_passwordprotectedroom required?\n                        this.connection.sendIQ(formsubmit,\n                            onSuccess,\n                            onError);\n                    } else {\n                        onNotSupported();\n                    }\n                }, onError);\n        },\n        kick: function (jid) {\n            var kickIQ = $iq({to: this.roomjid, type: 'set'})\n                .c('query', {xmlns: 'http://jabber.org/protocol/muc#admin'})\n                .c('item', {nick: Strophe.getResourceFromJid(jid), role: 'none'})\n                .c('reason').t('You have been kicked.').up().up().up();\n\n            this.connection.sendIQ(\n                kickIQ,\n                function (result) {\n                    console.log('Kick participant with jid: ', jid, result);\n                },\n                function (error) {\n                    console.log('Kick participant error: ', error);\n                });\n        },\n        sendPresence: function () {\n            var pres = $pres({to: this.presMap['to'] });\n            pres.c('x', {xmlns: this.presMap['xns']});\n\n            if (this.presMap['password']) {\n                pres.c('password').t(this.presMap['password']).up();\n            }\n\n            pres.up();\n\n            // Send XEP-0115 'c' stanza that contains our capabilities info\n            if (this.connection.caps) {\n                this.connection.caps.node = config.clientNode;\n                pres.c('c', this.connection.caps.generateCapsAttrs()).up();\n            }\n\n            pres.c('user-agent', {xmlns: 'http://jitsi.org/jitmeet/user-agent'})\n                .t(navigator.userAgent).up();\n\n            if (this.presMap['bridgeIsDown']) {\n                pres.c('bridgeIsDown').up();\n            }\n\n            if (this.presMap['email']) {\n                pres.c('email').t(this.presMap['email']).up();\n            }\n\n            if (this.presMap['userId']) {\n                pres.c('userId').t(this.presMap['userId']).up();\n            }\n\n            if (this.presMap['displayName']) {\n                // XEP-0172\n                pres.c('nick', {xmlns: 'http://jabber.org/protocol/nick'})\n                    .t(this.presMap['displayName']).up();\n            }\n\n            if (this.presMap['audions']) {\n                pres.c('audiomuted', {xmlns: this.presMap['audions']})\n                    .t(this.presMap['audiomuted']).up();\n            }\n\n            if (this.presMap['videons']) {\n                pres.c('videomuted', {xmlns: this.presMap['videons']})\n                    .t(this.presMap['videomuted']).up();\n            }\n\n            if (this.presMap['statsns']) {\n                var stats = pres.c('stats', {xmlns: this.presMap['statsns']});\n                for (var stat in this.presMap[\"stats\"])\n                    if (this.presMap[\"stats\"][stat] != null)\n                        stats.c(\"stat\", {name: stat, value: this.presMap[\"stats\"][stat]}).up();\n                pres.up();\n            }\n\n            if (this.presMap['prezins']) {\n                pres.c('prezi',\n                    {xmlns: this.presMap['prezins'],\n                        'url': this.presMap['preziurl']})\n                    .c('current').t(this.presMap['prezicurrent']).up().up();\n            }\n\n            if (this.presMap['etherpadns']) {\n                pres.c('etherpad', {xmlns: this.presMap['etherpadns']})\n                    .t(this.presMap['etherpadname']).up();\n            }\n\n            if (this.presMap['medians']) {\n                pres.c('media', {xmlns: this.presMap['medians']});\n                var sourceNumber = 0;\n                Object.keys(this.presMap).forEach(function (key) {\n                    if (key.indexOf('source') >= 0) {\n                        sourceNumber++;\n                    }\n                });\n                if (sourceNumber > 0)\n                    for (var i = 1; i <= sourceNumber / 3; i++) {\n                        pres.c('source',\n                            {type: this.presMap['source' + i + '_type'],\n                                ssrc: this.presMap['source' + i + '_ssrc'],\n                                direction: this.presMap['source' + i + '_direction']\n                                    || 'sendrecv' }\n                        ).up();\n                    }\n            }\n\n            pres.up();\n//        console.debug(pres.toString());\n            this.connection.send(pres);\n        },\n        addDisplayNameToPresence: function (displayName) {\n            this.presMap['displayName'] = displayName;\n        },\n        addMediaToPresence: function (sourceNumber, mtype, ssrcs, direction) {\n            if (!this.presMap['medians'])\n                this.presMap['medians'] = 'http://estos.de/ns/mjs';\n\n            this.presMap['source' + sourceNumber + '_type'] = mtype;\n            this.presMap['source' + sourceNumber + '_ssrc'] = ssrcs;\n            this.presMap['source' + sourceNumber + '_direction'] = direction;\n        },\n        clearPresenceMedia: function () {\n            var self = this;\n            Object.keys(this.presMap).forEach(function (key) {\n                if (key.indexOf('source') != -1) {\n                    delete self.presMap[key];\n                }\n            });\n        },\n        addPreziToPresence: function (url, currentSlide) {\n            this.presMap['prezins'] = 'http://jitsi.org/jitmeet/prezi';\n            this.presMap['preziurl'] = url;\n            this.presMap['prezicurrent'] = currentSlide;\n        },\n        removePreziFromPresence: function () {\n            delete this.presMap['prezins'];\n            delete this.presMap['preziurl'];\n            delete this.presMap['prezicurrent'];\n        },\n        addCurrentSlideToPresence: function (currentSlide) {\n            this.presMap['prezicurrent'] = currentSlide;\n        },\n        getPrezi: function (roomjid) {\n            return this.preziMap[roomjid];\n        },\n        addEtherpadToPresence: function (etherpadName) {\n            this.presMap['etherpadns'] = 'http://jitsi.org/jitmeet/etherpad';\n            this.presMap['etherpadname'] = etherpadName;\n        },\n        addAudioInfoToPresence: function (isMuted) {\n            this.presMap['audions'] = 'http://jitsi.org/jitmeet/audio';\n            this.presMap['audiomuted'] = isMuted.toString();\n        },\n        addVideoInfoToPresence: function (isMuted) {\n            this.presMap['videons'] = 'http://jitsi.org/jitmeet/video';\n            this.presMap['videomuted'] = isMuted.toString();\n        },\n        addConnectionInfoToPresence: function (stats) {\n            this.presMap['statsns'] = 'http://jitsi.org/jitmeet/stats';\n            this.presMap['stats'] = stats;\n        },\n        findJidFromResource: function (resourceJid) {\n            if (resourceJid &&\n                resourceJid === Strophe.getResourceFromJid(this.myroomjid)) {\n                return this.myroomjid;\n            }\n            var peerJid = null;\n            Object.keys(this.members).some(function (jid) {\n                peerJid = jid;\n                return Strophe.getResourceFromJid(jid) === resourceJid;\n            });\n            return peerJid;\n        },\n        addBridgeIsDownToPresence: function () {\n            this.presMap['bridgeIsDown'] = true;\n        },\n        addEmailToPresence: function (email) {\n            this.presMap['email'] = email;\n        },\n        addUserIdToPresence: function (userId) {\n            this.presMap['userId'] = userId;\n        },\n        isModerator: function () {\n            return this.role === 'moderator';\n        },\n        getMemberRole: function (peerJid) {\n            if (this.members[peerJid]) {\n                return this.members[peerJid].role;\n            }\n            return null;\n        },\n        onParticipantLeft: function (jid) {\n            UI.onMucLeft(jid);\n\n            API.triggerEvent(\"participantLeft\", {jid: jid});\n\n            delete jid2Ssrc[jid];\n\n            this.connection.jingle.terminateByJid(jid);\n\n            if (this.getPrezi(jid)) {\n                $(document).trigger('presentationremoved.muc',\n                    [jid, this.getPrezi(jid)]);\n            }\n\n            Moderator.onMucLeft(jid);\n        },\n        parsePresence: function (from, memeber, pres) {\n            if($(pres).find(\">bridgeIsDown\").length > 0 && !bridgeIsDown) {\n                bridgeIsDown = true;\n                eventEmitter.emit(XMPPEvents.BRIDGE_DOWN);\n            }\n\n            if(memeber.isFocus)\n                return;\n\n            // Remove old ssrcs coming from the jid\n            Object.keys(ssrc2jid).forEach(function (ssrc) {\n                if (ssrc2jid[ssrc] == jid) {\n                    delete ssrc2jid[ssrc];\n                    delete ssrc2videoType[ssrc];\n                }\n            });\n\n            var changedStreams = [];\n            $(pres).find('>media[xmlns=\"http://estos.de/ns/mjs\"]>source').each(function (idx, ssrc) {\n                //console.log(jid, 'assoc ssrc', ssrc.getAttribute('type'), ssrc.getAttribute('ssrc'));\n                var ssrcV = ssrc.getAttribute('ssrc');\n                ssrc2jid[ssrcV] = from;\n                notReceivedSSRCs.push(ssrcV);\n\n                var type = ssrc.getAttribute('type');\n                ssrc2videoType[ssrcV] = type;\n\n                var direction = ssrc.getAttribute('direction');\n\n                changedStreams.push({type: type, direction: direction});\n\n            });\n\n            eventEmitter.emit(XMPPEvents.CHANGED_STREAMS, from, changedStreams);\n\n            var displayName = !config.displayJids\n                ? memeber.displayName : Strophe.getResourceFromJid(from);\n\n            if (displayName && displayName.length > 0)\n            {\n//                $(document).trigger('displaynamechanged',\n//                    [jid, displayName]);\n                eventEmitter.emit(XMPPEvents.DISPLAY_NAME_CHANGED, from, displayName);\n            }\n\n\n            var id = $(pres).find('>userID').text();\n            var email = $(pres).find('>email');\n            if(email.length > 0) {\n                id = email.text();\n            }\n\n            eventEmitter.emit(XMPPEvents.USER_ID_CHANGED, from, id);\n        }\n    });\n};\n\n","/* jshint -W117 */\n\nvar JingleSession = require(\"./JingleSession\");\n\nfunction CallIncomingJingle(sid, connection) {\n    var sess = connection.jingle.sessions[sid];\n\n    // TODO: do we check activecall == null?\n    activecall = sess;\n\n    statistics.onConferenceCreated(sess);\n    RTC.onConferenceCreated(sess);\n\n    // TODO: check affiliation and/or role\n    console.log('emuc data for', sess.peerjid, connection.emuc.members[sess.peerjid]);\n    sess.usedrip = true; // not-so-naive trickle ice\n    sess.sendAnswer();\n    sess.accept();\n\n};\n\nmodule.exports = function(XMPP)\n{\n    Strophe.addConnectionPlugin('jingle', {\n        connection: null,\n        sessions: {},\n        jid2session: {},\n        ice_config: {iceServers: []},\n        pc_constraints: {},\n        media_constraints: {\n            mandatory: {\n                'OfferToReceiveAudio': true,\n                'OfferToReceiveVideo': true\n            }\n            // MozDontOfferDataChannel: true when this is firefox\n        },\n        init: function (conn) {\n            this.connection = conn;\n            if (this.connection.disco) {\n                // http://xmpp.org/extensions/xep-0167.html#support\n                // http://xmpp.org/extensions/xep-0176.html#support\n                this.connection.disco.addFeature('urn:xmpp:jingle:1');\n                this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:1');\n                this.connection.disco.addFeature('urn:xmpp:jingle:transports:ice-udp:1');\n                this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:audio');\n                this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:video');\n\n\n                // this is dealt with by SDP O/A so we don't need to annouce this\n                //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtcp-fb:0'); // XEP-0293\n                //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'); // XEP-0294\n                if (config.useRtcpMux) {\n                    this.connection.disco.addFeature('urn:ietf:rfc:5761'); // rtcp-mux\n                }\n                if (config.useBundle) {\n                    this.connection.disco.addFeature('urn:ietf:rfc:5888'); // a=group, e.g. bundle\n                }\n                //this.connection.disco.addFeature('urn:ietf:rfc:5576'); // a=ssrc\n            }\n            this.connection.addHandler(this.onJingle.bind(this), 'urn:xmpp:jingle:1', 'iq', 'set', null, null);\n        },\n        onJingle: function (iq) {\n            var sid = $(iq).find('jingle').attr('sid');\n            var action = $(iq).find('jingle').attr('action');\n            var fromJid = iq.getAttribute('from');\n            // send ack first\n            var ack = $iq({type: 'result',\n                to: fromJid,\n                id: iq.getAttribute('id')\n            });\n            console.log('on jingle ' + action + ' from ' + fromJid, iq);\n            var sess = this.sessions[sid];\n            if ('session-initiate' != action) {\n                if (sess === null) {\n                    ack.type = 'error';\n                    ack.c('error', {type: 'cancel'})\n                        .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()\n                        .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});\n                    this.connection.send(ack);\n                    return true;\n                }\n                // compare from to sess.peerjid (bare jid comparison for later compat with message-mode)\n                // local jid is not checked\n                if (Strophe.getBareJidFromJid(fromJid) != Strophe.getBareJidFromJid(sess.peerjid)) {\n                    console.warn('jid mismatch for session id', sid, fromJid, sess.peerjid);\n                    ack.type = 'error';\n                    ack.c('error', {type: 'cancel'})\n                        .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()\n                        .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});\n                    this.connection.send(ack);\n                    return true;\n                }\n            } else if (sess !== undefined) {\n                // existing session with same session id\n                // this might be out-of-order if the sess.peerjid is the same as from\n                ack.type = 'error';\n                ack.c('error', {type: 'cancel'})\n                    .c('service-unavailable', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up();\n                console.warn('duplicate session id', sid);\n                this.connection.send(ack);\n                return true;\n            }\n            // FIXME: check for a defined action\n            this.connection.send(ack);\n            // see http://xmpp.org/extensions/xep-0166.html#concepts-session\n            switch (action) {\n                case 'session-initiate':\n                    sess = new JingleSession(\n                        $(iq).attr('to'), $(iq).find('jingle').attr('sid'),\n                        this.connection, XMPP);\n                    // configure session\n\n                    sess.media_constraints = this.media_constraints;\n                    sess.pc_constraints = this.pc_constraints;\n                    sess.ice_config = this.ice_config;\n\n                    sess.initiate(fromJid, false);\n                    // FIXME: setRemoteDescription should only be done when this call is to be accepted\n                    sess.setRemoteDescription($(iq).find('>jingle'), 'offer');\n\n                    this.sessions[sess.sid] = sess;\n                    this.jid2session[sess.peerjid] = sess;\n\n                    // the callback should either\n                    // .sendAnswer and .accept\n                    // or .sendTerminate -- not necessarily synchronus\n                    CallIncomingJingle(sess.sid, this.connection);\n                    break;\n                case 'session-accept':\n                    sess.setRemoteDescription($(iq).find('>jingle'), 'answer');\n                    sess.accept();\n                    $(document).trigger('callaccepted.jingle', [sess.sid]);\n                    break;\n                case 'session-terminate':\n                    // If this is not the focus sending the terminate, we have\n                    // nothing more to do here.\n                    if (Object.keys(this.sessions).length < 1\n                        || !(this.sessions[Object.keys(this.sessions)[0]]\n                            instanceof JingleSession))\n                    {\n                        break;\n                    }\n                    console.log('terminating...', sess.sid);\n                    sess.terminate();\n                    this.terminate(sess.sid);\n                    if ($(iq).find('>jingle>reason').length) {\n                        $(document).trigger('callterminated.jingle', [\n                            sess.sid,\n                            sess.peerjid,\n                            $(iq).find('>jingle>reason>:first')[0].tagName,\n                            $(iq).find('>jingle>reason>text').text()\n                        ]);\n                    } else {\n                        $(document).trigger('callterminated.jingle',\n                            [sess.sid, sess.peerjid]);\n                    }\n                    break;\n                case 'transport-info':\n                    sess.addIceCandidate($(iq).find('>jingle>content'));\n                    break;\n                case 'session-info':\n                    var affected;\n                    if ($(iq).find('>jingle>ringing[xmlns=\"urn:xmpp:jingle:apps:rtp:info:1\"]').length) {\n                        $(document).trigger('ringing.jingle', [sess.sid]);\n                    } else if ($(iq).find('>jingle>mute[xmlns=\"urn:xmpp:jingle:apps:rtp:info:1\"]').length) {\n                        affected = $(iq).find('>jingle>mute[xmlns=\"urn:xmpp:jingle:apps:rtp:info:1\"]').attr('name');\n                        $(document).trigger('mute.jingle', [sess.sid, affected]);\n                    } else if ($(iq).find('>jingle>unmute[xmlns=\"urn:xmpp:jingle:apps:rtp:info:1\"]').length) {\n                        affected = $(iq).find('>jingle>unmute[xmlns=\"urn:xmpp:jingle:apps:rtp:info:1\"]').attr('name');\n                        $(document).trigger('unmute.jingle', [sess.sid, affected]);\n                    }\n                    break;\n                case 'addsource': // FIXME: proprietary, un-jingleish\n                case 'source-add': // FIXME: proprietary\n                    sess.addSource($(iq).find('>jingle>content'), fromJid);\n                    break;\n                case 'removesource': // FIXME: proprietary, un-jingleish\n                case 'source-remove': // FIXME: proprietary\n                    sess.removeSource($(iq).find('>jingle>content'), fromJid);\n                    break;\n                default:\n                    console.warn('jingle action not implemented', action);\n                    break;\n            }\n            return true;\n        },\n        initiate: function (peerjid, myjid) { // initiate a new jinglesession to peerjid\n            var sess = new JingleSession(myjid || this.connection.jid,\n                Math.random().toString(36).substr(2, 12), // random string\n                this.connection, XMPP);\n            // configure session\n\n            sess.media_constraints = this.media_constraints;\n            sess.pc_constraints = this.pc_constraints;\n            sess.ice_config = this.ice_config;\n\n            sess.initiate(peerjid, true);\n            this.sessions[sess.sid] = sess;\n            this.jid2session[sess.peerjid] = sess;\n            sess.sendOffer();\n            return sess;\n        },\n        terminate: function (sid, reason, text) { // terminate by sessionid (or all sessions)\n            if (sid === null || sid === undefined) {\n                for (sid in this.sessions) {\n                    if (this.sessions[sid].state != 'ended') {\n                        this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);\n                        this.sessions[sid].terminate();\n                    }\n                    delete this.jid2session[this.sessions[sid].peerjid];\n                    delete this.sessions[sid];\n                }\n            } else if (this.sessions.hasOwnProperty(sid)) {\n                if (this.sessions[sid].state != 'ended') {\n                    this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);\n                    this.sessions[sid].terminate();\n                }\n                delete this.jid2session[this.sessions[sid].peerjid];\n                delete this.sessions[sid];\n            }\n        },\n        // Used to terminate a session when an unavailable presence is received.\n        terminateByJid: function (jid) {\n            if (this.jid2session.hasOwnProperty(jid)) {\n                var sess = this.jid2session[jid];\n                if (sess) {\n                    sess.terminate();\n                    console.log('peer went away silently', jid);\n                    delete this.sessions[sess.sid];\n                    delete this.jid2session[jid];\n                    $(document).trigger('callterminated.jingle',\n                        [sess.sid, jid], 'gone');\n                }\n            }\n        },\n        terminateRemoteByJid: function (jid, reason) {\n            if (this.jid2session.hasOwnProperty(jid)) {\n                var sess = this.jid2session[jid];\n                if (sess) {\n                    sess.sendTerminate(reason || (!sess.active()) ? 'kick' : null);\n                    sess.terminate();\n                    console.log('terminate peer with jid', sess.sid, jid);\n                    delete this.sessions[sess.sid];\n                    delete this.jid2session[jid];\n                    $(document).trigger('callterminated.jingle',\n                        [sess.sid, jid, 'kicked']);\n                }\n            }\n        },\n        getStunAndTurnCredentials: function () {\n            // get stun and turn configuration from server via xep-0215\n            // uses time-limited credentials as described in\n            // http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00\n            //\n            // see https://code.google.com/p/prosody-modules/source/browse/mod_turncredentials/mod_turncredentials.lua\n            // for a prosody module which implements this\n            //\n            // currently, this doesn't work with updateIce and therefore credentials with a long\n            // validity have to be fetched before creating the peerconnection\n            // TODO: implement refresh via updateIce as described in\n            //      https://code.google.com/p/webrtc/issues/detail?id=1650\n            var self = this;\n            this.connection.sendIQ(\n                $iq({type: 'get', to: this.connection.domain})\n                    .c('services', {xmlns: 'urn:xmpp:extdisco:1'}).c('service', {host: 'turn.' + this.connection.domain}),\n                function (res) {\n                    var iceservers = [];\n                    $(res).find('>services>service').each(function (idx, el) {\n                        el = $(el);\n                        var dict = {};\n                        var type = el.attr('type');\n                        switch (type) {\n                            case 'stun':\n                                dict.url = 'stun:' + el.attr('host');\n                                if (el.attr('port')) {\n                                    dict.url += ':' + el.attr('port');\n                                }\n                                iceservers.push(dict);\n                                break;\n                            case 'turn':\n                            case 'turns':\n                                dict.url = type + ':';\n                                if (el.attr('username')) { // https://code.google.com/p/webrtc/issues/detail?id=1508\n                                    if (navigator.userAgent.match(/Chrom(e|ium)\\/([0-9]+)\\./) && parseInt(navigator.userAgent.match(/Chrom(e|ium)\\/([0-9]+)\\./)[2], 10) < 28) {\n                                        dict.url += el.attr('username') + '@';\n                                    } else {\n                                        dict.username = el.attr('username'); // only works in M28\n                                    }\n                                }\n                                dict.url += el.attr('host');\n                                if (el.attr('port') && el.attr('port') != '3478') {\n                                    dict.url += ':' + el.attr('port');\n                                }\n                                if (el.attr('transport') && el.attr('transport') != 'udp') {\n                                    dict.url += '?transport=' + el.attr('transport');\n                                }\n                                if (el.attr('password')) {\n                                    dict.credential = el.attr('password');\n                                }\n                                iceservers.push(dict);\n                                break;\n                        }\n                    });\n                    self.ice_config.iceServers = iceservers;\n                },\n                function (err) {\n                    console.warn('getting turn credentials failed', err);\n                    console.warn('is mod_turncredentials or similar installed?');\n                }\n            );\n            // implement push?\n        },\n\n        /**\n         * Populates the log data\n         */\n        populateData: function () {\n            var data = {};\n            Object.keys(this.sessions).forEach(function (sid) {\n                var session = this.sessions[sid];\n                if (session.peerconnection && session.peerconnection.updateLog) {\n                    // FIXME: should probably be a .dump call\n                    data[\"jingle_\" + session.sid] = {\n                        updateLog: session.peerconnection.updateLog,\n                        stats: session.peerconnection.stats,\n                        url: window.location.href\n                    };\n                }\n            });\n            return data;\n        }\n    });\n};\n\n","/* global Strophe */\nmodule.exports = function () {\n\n    Strophe.addConnectionPlugin('logger', {\n        // logs raw stanzas and makes them available for download as JSON\n        connection: null,\n        log: [],\n        init: function (conn) {\n            this.connection = conn;\n            this.connection.rawInput = this.log_incoming.bind(this);\n            this.connection.rawOutput = this.log_outgoing.bind(this);\n        },\n        log_incoming: function (stanza) {\n            this.log.push([new Date().getTime(), 'incoming', stanza]);\n        },\n        log_outgoing: function (stanza) {\n            this.log.push([new Date().getTime(), 'outgoing', stanza]);\n        }\n    });\n};","/* global $, $iq, config, connection, focusMucJid, forceMuted,\n   setAudioMuted, Strophe */\n/**\n * Moderate connection plugin.\n */\nmodule.exports = function (XMPP) {\n    Strophe.addConnectionPlugin('moderate', {\n        connection: null,\n        init: function (conn) {\n            this.connection = conn;\n\n            this.connection.addHandler(this.onMute.bind(this),\n                'http://jitsi.org/jitmeet/audio',\n                'iq',\n                'set',\n                null,\n                null);\n        },\n        setMute: function (jid, mute) {\n            console.info(\"set mute\", mute);\n            var iqToFocus = $iq({to: focusMucJid, type: 'set'})\n                .c('mute', {\n                    xmlns: 'http://jitsi.org/jitmeet/audio',\n                    jid: jid\n                })\n                .t(mute.toString())\n                .up();\n\n            this.connection.sendIQ(\n                iqToFocus,\n                function (result) {\n                    console.log('set mute', result);\n                },\n                function (error) {\n                    console.log('set mute error', error);\n                });\n        },\n        onMute: function (iq) {\n            var from = iq.getAttribute('from');\n            if (from !== focusMucJid) {\n                console.warn(\"Ignored mute from non focus peer\");\n                return false;\n            }\n            var mute = $(iq).find('mute');\n            if (mute.length) {\n                var doMuteAudio = mute.text() === \"true\";\n                UI.setAudioMuted(doMuteAudio);\n                XMPP.forceMuted = doMuteAudio;\n            }\n            return true;\n        },\n        eject: function (jid) {\n            // We're not the focus, so can't terminate\n            //connection.jingle.terminateRemoteByJid(jid, 'kick');\n            this.connection.emuc.kick(jid);\n        }\n    });\n}","/* jshint -W117 */\nmodule.exports = function() {\n    Strophe.addConnectionPlugin('rayo',\n        {\n            RAYO_XMLNS: 'urn:xmpp:rayo:1',\n            connection: null,\n            init: function (conn) {\n                this.connection = conn;\n                if (this.connection.disco) {\n                    this.connection.disco.addFeature('urn:xmpp:rayo:client:1');\n                }\n\n                this.connection.addHandler(\n                    this.onRayo.bind(this), this.RAYO_XMLNS, 'iq', 'set', null, null);\n            },\n            onRayo: function (iq) {\n                console.info(\"Rayo IQ\", iq);\n            },\n            dial: function (to, from, roomName, roomPass) {\n                var self = this;\n                var req = $iq(\n                    {\n                        type: 'set',\n                        to: focusMucJid\n                    }\n                );\n                req.c('dial',\n                    {\n                        xmlns: this.RAYO_XMLNS,\n                        to: to,\n                        from: from\n                    });\n                req.c('header',\n                    {\n                        name: 'JvbRoomName',\n                        value: roomName\n                    }).up();\n\n                if (roomPass !== null && roomPass.length) {\n\n                    req.c('header',\n                        {\n                            name: 'JvbRoomPassword',\n                            value: roomPass\n                        }).up();\n                }\n\n                this.connection.sendIQ(\n                    req,\n                    function (result) {\n                        console.info('Dial result ', result);\n\n                        var resource = $(result).find('ref').attr('uri');\n                        this.call_resource = resource.substr('xmpp:'.length);\n                        console.info(\n                                \"Received call resource: \" + this.call_resource);\n                    },\n                    function (error) {\n                        console.info('Dial error ', error);\n                    }\n                );\n            },\n            hang_up: function () {\n                if (!this.call_resource) {\n                    console.warn(\"No call in progress\");\n                    return;\n                }\n\n                var self = this;\n                var req = $iq(\n                    {\n                        type: 'set',\n                        to: this.call_resource\n                    }\n                );\n                req.c('hangup',\n                    {\n                        xmlns: this.RAYO_XMLNS\n                    });\n\n                this.connection.sendIQ(\n                    req,\n                    function (result) {\n                        console.info('Hangup result ', result);\n                        self.call_resource = null;\n                    },\n                    function (error) {\n                        console.info('Hangup error ', error);\n                        self.call_resource = null;\n                    }\n                );\n            }\n        }\n    );\n};\n","/**\n * Strophe logger implementation. Logs from level WARN and above.\n */\nmodule.exports = function () {\n\n    Strophe.log = function (level, msg) {\n        switch (level) {\n            case Strophe.LogLevel.WARN:\n                console.warn(\"Strophe: \" + msg);\n                break;\n            case Strophe.LogLevel.ERROR:\n            case Strophe.LogLevel.FATAL:\n                console.error(\"Strophe: \" + msg);\n                break;\n        }\n    };\n\n    Strophe.getStatusString = function (status) {\n        switch (status) {\n            case Strophe.Status.ERROR:\n                return \"ERROR\";\n            case Strophe.Status.CONNECTING:\n                return \"CONNECTING\";\n            case Strophe.Status.CONNFAIL:\n                return \"CONNFAIL\";\n            case Strophe.Status.AUTHENTICATING:\n                return \"AUTHENTICATING\";\n            case Strophe.Status.AUTHFAIL:\n                return \"AUTHFAIL\";\n            case Strophe.Status.CONNECTED:\n                return \"CONNECTED\";\n            case Strophe.Status.DISCONNECTED:\n                return \"DISCONNECTED\";\n            case Strophe.Status.DISCONNECTING:\n                return \"DISCONNECTING\";\n            case Strophe.Status.ATTACHED:\n                return \"ATTACHED\";\n            default:\n                return \"unknown\";\n        }\n    };\n};\n","var Moderator = require(\"./moderator\");\nvar EventEmitter = require(\"events\");\nvar Recording = require(\"./recording\");\nvar SDP = require(\"./SDP\");\n\nvar eventEmitter = new EventEmitter();\nvar connection = null;\nvar authenticatedUser = false;\nvar activecall = null;\n\nfunction connect(jid, password, uiCredentials) {\n    var bosh\n        = uiCredentials.bosh || config.bosh || '/http-bind';\n    connection = new Strophe.Connection(bosh);\n    Moderator.setConnection(connection);\n\n    var settings = UI.getSettings();\n    var email = settings.email;\n    var displayName = settings.displayName;\n    if(email) {\n        connection.emuc.addEmailToPresence(email);\n    } else {\n        connection.emuc.addUserIdToPresence(settings.uid);\n    }\n    if(displayName) {\n        connection.emuc.addDisplayNameToPresence(displayName);\n    }\n\n    if (connection.disco) {\n        // for chrome, add multistream cap\n    }\n    connection.jingle.pc_constraints = RTC.getPCConstraints();\n    if (config.useIPv6) {\n        // https://code.google.com/p/webrtc/issues/detail?id=2828\n        if (!connection.jingle.pc_constraints.optional)\n            connection.jingle.pc_constraints.optional = [];\n        connection.jingle.pc_constraints.optional.push({googIPv6: true});\n    }\n\n    if(!password)\n        password = uiCredentials.password;\n\n    var anonymousConnectionFailed = false;\n    connection.connect(jid, password, function (status, msg) {\n        console.log('Strophe status changed to',\n            Strophe.getStatusString(status));\n        if (status === Strophe.Status.CONNECTED) {\n            if (config.useStunTurn) {\n                connection.jingle.getStunAndTurnCredentials();\n            }\n            UI.disableConnect();\n\n            console.info(\"My Jabber ID: \" + connection.jid);\n\n            if(password)\n                authenticatedUser = true;\n            maybeDoJoin();\n        } else if (status === Strophe.Status.CONNFAIL) {\n            if(msg === 'x-strophe-bad-non-anon-jid') {\n                anonymousConnectionFailed = true;\n            }\n        } else if (status === Strophe.Status.DISCONNECTED) {\n            if(anonymousConnectionFailed) {\n                // prompt user for username and password\n                XMPP.promptLogin();\n            }\n        } else if (status === Strophe.Status.AUTHFAIL) {\n            // wrong password or username, prompt user\n            XMPP.promptLogin();\n\n        }\n    });\n}\n\n\n\nfunction maybeDoJoin() {\n    if (connection && connection.connected &&\n        Strophe.getResourceFromJid(connection.jid)\n        && (RTC.localAudio || RTC.localVideo)) {\n        // .connected is true while connecting?\n        doJoin();\n    }\n}\n\nfunction doJoin() {\n    var roomName = UI.generateRoomName();\n\n    Moderator.allocateConferenceFocus(\n        roomName, UI.checkForNicknameAndJoin);\n}\n\nfunction initStrophePlugins()\n{\n    require(\"./strophe.emuc\")(XMPP, eventEmitter);\n    require(\"./strophe.jingle\")();\n    require(\"./strophe.moderate\")(XMPP);\n    require(\"./strophe.util\")();\n    require(\"./strophe.rayo\")();\n    require(\"./strophe.logger\")();\n}\n\nfunction registerListeners() {\n    RTC.addStreamListener(maybeDoJoin,\n        StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);\n}\n\nfunction setupEvents() {\n    $(window).bind('beforeunload', function () {\n        if (connection && connection.connected) {\n            // ensure signout\n            $.ajax({\n                type: 'POST',\n                url: config.bosh,\n                async: false,\n                cache: false,\n                contentType: 'application/xml',\n                data: \"<body rid='\" + (connection.rid || connection._proto.rid)\n                    + \"' xmlns='http://jabber.org/protocol/httpbind' sid='\"\n                    + (connection.sid || connection._proto.sid)\n                    + \"' type='terminate'>\" +\n                    \"<presence xmlns='jabber:client' type='unavailable'/>\" +\n                    \"</body>\",\n                success: function (data) {\n                    console.log('signed out');\n                    console.log(data);\n                },\n                error: function (XMLHttpRequest, textStatus, errorThrown) {\n                    console.log('signout error',\n                            textStatus + ' (' + errorThrown + ')');\n                }\n            });\n        }\n        XMPP.disposeConference(true);\n    });\n}\n\nvar XMPP = {\n    sessionTerminated: false,\n    /**\n     * Remembers if we were muted by the focus.\n     * @type {boolean}\n     */\n    forceMuted: false,\n    start: function (uiCredentials) {\n        setupEvents();\n        initStrophePlugins();\n        registerListeners();\n        Moderator.init();\n        var jid = uiCredentials.jid ||\n            config.hosts.anonymousdomain ||\n            config.hosts.domain ||\n            window.location.hostname;\n        connect(jid, null, uiCredentials);\n    },\n    promptLogin: function () {\n        UI.showLoginPopup(connect);\n    },\n    joinRooom: function(roomName, useNicks, nick)\n    {\n        var roomjid;\n        roomjid = roomName;\n\n        if (useNicks) {\n            if (nick) {\n                roomjid += '/' + nick;\n            } else {\n                roomjid += '/' + Strophe.getNodeFromJid(connection.jid);\n            }\n        } else {\n\n            var tmpJid = Strophe.getNodeFromJid(connection.jid);\n\n            if(!authenticatedUser)\n                tmpJid = tmpJid.substr(0, 8);\n\n            roomjid += '/' + tmpJid;\n        }\n        connection.emuc.doJoin(roomjid);\n    },\n    myJid: function () {\n        if(!connection)\n            return null;\n        return connection.emuc.myroomjid;\n    },\n    myResource: function () {\n        if(!connection || ! connection.emuc.myroomjid)\n            return null;\n        return Strophe.getResourceFromJid(connection.emuc.myroomjid);\n    },\n    disposeConference: function (onUnload) {\n        eventEmitter.emit(XMPPEvents.DISPOSE_CONFERENCE, onUnload);\n        var handler = activecall;\n        if (handler && handler.peerconnection) {\n            // FIXME: probably removing streams is not required and close() should\n            // be enough\n            if (RTC.localAudio) {\n                handler.peerconnection.removeStream(RTC.localAudio.getOriginalStream(), onUnload);\n            }\n            if (RTC.localVideo) {\n                handler.peerconnection.removeStream(RTC.localVideo.getOriginalStream(), onUnload);\n            }\n            handler.peerconnection.close();\n        }\n        activecall = null;\n        if(!onUnload)\n        {\n            this.sessionTerminated = true;\n            connection.emuc.doLeave();\n        }\n    },\n    addListener: function(type, listener)\n    {\n        eventEmitter.on(type, listener);\n    },\n    removeListener: function (type, listener) {\n        eventEmitter.removeListener(type, listener);\n    },\n    allocateConferenceFocus: function(roomName, callback) {\n        Moderator.allocateConferenceFocus(roomName, callback);\n    },\n    isModerator: function () {\n        return Moderator.isModerator();\n    },\n    isSipGatewayEnabled: function () {\n        return Moderator.isSipGatewayEnabled();\n    },\n    isExternalAuthEnabled: function () {\n        return Moderator.isExternalAuthEnabled();\n    },\n    switchStreams: function (stream, oldStream, callback) {\n        if (activecall) {\n            // FIXME: will block switchInProgress on true value in case of exception\n            activecall.switchStreams(stream, oldStream, callback);\n        } else {\n            // We are done immediately\n            console.error(\"No conference handler\");\n            UI.messageHandler.showError('Error',\n                'Unable to switch video stream.');\n            callback();\n        }\n    },\n    setVideoMute: function (mute, callback, options) {\n       if(activecall && connection && RTC.localVideo)\n       {\n           activecall.setVideoMute(mute, callback, options);\n       }\n    },\n    setAudioMute: function (mute, callback) {\n        if (!(connection && RTC.localAudio)) {\n            return false;\n        }\n\n\n        if (this.forceMuted && !mute) {\n            console.info(\"Asking focus for unmute\");\n            connection.moderate.setMute(connection.emuc.myroomjid, mute);\n            // FIXME: wait for result before resetting muted status\n            this.forceMuted = false;\n        }\n\n        if (mute == RTC.localAudio.isMuted()) {\n            // Nothing to do\n            return true;\n        }\n\n        // It is not clear what is the right way to handle multiple tracks.\n        // So at least make sure that they are all muted or all unmuted and\n        // that we send presence just once.\n        RTC.localAudio.mute();\n        // isMuted is the opposite of audioEnabled\n        connection.emuc.addAudioInfoToPresence(mute);\n        connection.emuc.sendPresence();\n        callback();\n        return true;\n    },\n    // Really mute video, i.e. dont even send black frames\n    muteVideo: function (pc, unmute) {\n        // FIXME: this probably needs another of those lovely state safeguards...\n        // which checks for iceconn == connected and sigstate == stable\n        pc.setRemoteDescription(pc.remoteDescription,\n            function () {\n                pc.createAnswer(\n                    function (answer) {\n                        var sdp = new SDP(answer.sdp);\n                        if (sdp.media.length > 1) {\n                            if (unmute)\n                                sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');\n                            else\n                                sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');\n                            sdp.raw = sdp.session + sdp.media.join('');\n                            answer.sdp = sdp.raw;\n                        }\n                        pc.setLocalDescription(answer,\n                            function () {\n                                console.log('mute SLD ok');\n                            },\n                            function (error) {\n                                console.log('mute SLD error');\n                                UI.messageHandler.showError('Error',\n                                        'Oops! Something went wrong and we failed to ' +\n                                        'mute! (SLD Failure)');\n                            }\n                        );\n                    },\n                    function (error) {\n                        console.log(error);\n                        UI.messageHandler.showError();\n                    }\n                );\n            },\n            function (error) {\n                console.log('muteVideo SRD error');\n                UI.messageHandler.showError('Error',\n                        'Oops! Something went wrong and we failed to stop video!' +\n                        '(SRD Failure)');\n\n            }\n        );\n    },\n    toggleRecording: function (tokenEmptyCallback,\n                               startingCallback, startedCallback) {\n        Recording.toggleRecording(tokenEmptyCallback,\n            startingCallback, startedCallback);\n    },\n    addToPresence: function (name, value, dontSend) {\n        switch (name)\n        {\n            case \"displayName\":\n                connection.emuc.addDisplayNameToPresence(value);\n                break;\n            case \"etherpad\":\n                connection.emuc.addEtherpadToPresence(value);\n                break;\n            case \"prezi\":\n                connection.emuc.addPreziToPresence(value, 0);\n                break;\n            case \"preziSlide\":\n                connection.emuc.addCurrentSlideToPresence(value);\n                break;\n            case \"connectionQuality\":\n                connection.emuc.addConnectionInfoToPresence(value);\n                break;\n            case \"email\":\n                connection.emuc.addEmailToPresence(value);\n            default :\n                console.log(\"Unknown tag for presence.\");\n                return;\n        }\n        if(!dontSend)\n            connection.emuc.sendPresence();\n    },\n    sendLogs: function (content) {\n        // XEP-0337-ish\n        var message = $msg({to: focusMucJid, type: 'normal'});\n        message.c('log', { xmlns: 'urn:xmpp:eventlog',\n            id: 'PeerConnectionStats'});\n        message.c('message').t(content).up();\n        if (deflate) {\n            message.c('tag', {name: \"deflated\", value: \"true\"}).up();\n        }\n        message.up();\n\n        connection.send(message);\n    },\n    populateData: function () {\n        var data = {};\n        if (connection.jingle) {\n            data = connection.jingle.populateData();\n        }\n        return data;\n    },\n    getLogger: function () {\n        if(connection.logger)\n            return connection.logger.log;\n        return null;\n    },\n    getPrezi: function () {\n        return connection.emuc.getPrezi(this.myJid());\n    },\n    removePreziFromPresence: function () {\n        connection.emuc.removePreziFromPresence();\n        connection.emuc.sendPresence();\n    },\n    sendChatMessage: function (message, nickname) {\n        connection.emuc.sendMessage(message, nickname);\n    },\n    setSubject: function (topic) {\n        connection.emuc.setSubject(topic);\n    },\n    lockRoom: function (key, onSuccess, onError, onNotSupported) {\n        connection.emuc.lockRoom(key, onSuccess, onError, onNotSupported);\n    },\n    dial: function (to, from, roomName,roomPass) {\n        connection.rayo.dial(to, from, roomName,roomPass);\n    },\n    setMute: function (jid, mute) {\n        connection.moderate.setMute(jid, mute);\n    },\n    eject: function (jid) {\n        connection.moderate.eject(jid);\n    },\n    findJidFromResource: function (resource) {\n        connection.emuc.findJidFromResource(resource);\n    },\n    getMembers: function () {\n        return connection.emuc.members;\n    }\n\n};\n\nmodule.exports = XMPP;","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfunction EventEmitter() {\n  this._events = this._events || {};\n  this._maxListeners = this._maxListeners || undefined;\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nEventEmitter.defaultMaxListeners = 10;\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function(n) {\n  if (!isNumber(n) || n < 0 || isNaN(n))\n    throw TypeError('n must be a positive number');\n  this._maxListeners = n;\n  return this;\n};\n\nEventEmitter.prototype.emit = function(type) {\n  var er, handler, len, args, i, listeners;\n\n  if (!this._events)\n    this._events = {};\n\n  // If there is no 'error' event listener then throw.\n  if (type === 'error') {\n    if (!this._events.error ||\n        (isObject(this._events.error) && !this._events.error.length)) {\n      er = arguments[1];\n      if (er instanceof Error) {\n        throw er; // Unhandled 'error' event\n      } else {\n        throw TypeError('Uncaught, unspecified \"error\" event.');\n      }\n      return false;\n    }\n  }\n\n  handler = this._events[type];\n\n  if (isUndefined(handler))\n    return false;\n\n  if (isFunction(handler)) {\n    switch (arguments.length) {\n      // fast cases\n      case 1:\n        handler.call(this);\n        break;\n      case 2:\n        handler.call(this, arguments[1]);\n        break;\n      case 3:\n        handler.call(this, arguments[1], arguments[2]);\n        break;\n      // slower\n      default:\n        len = arguments.length;\n        args = new Array(len - 1);\n        for (i = 1; i < len; i++)\n          args[i - 1] = arguments[i];\n        handler.apply(this, args);\n    }\n  } else if (isObject(handler)) {\n    len = arguments.length;\n    args = new Array(len - 1);\n    for (i = 1; i < len; i++)\n      args[i - 1] = arguments[i];\n\n    listeners = handler.slice();\n    len = listeners.length;\n    for (i = 0; i < len; i++)\n      listeners[i].apply(this, args);\n  }\n\n  return true;\n};\n\nEventEmitter.prototype.addListener = function(type, listener) {\n  var m;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events)\n    this._events = {};\n\n  // To avoid recursion in the case that type === \"newListener\"! Before\n  // adding it to the listeners, first emit \"newListener\".\n  if (this._events.newListener)\n    this.emit('newListener', type,\n              isFunction(listener.listener) ?\n              listener.listener : listener);\n\n  if (!this._events[type])\n    // Optimize the case of one listener. Don't need the extra array object.\n    this._events[type] = listener;\n  else if (isObject(this._events[type]))\n    // If we've already got an array, just append.\n    this._events[type].push(listener);\n  else\n    // Adding the second element, need to change to array.\n    this._events[type] = [this._events[type], listener];\n\n  // Check for listener leak\n  if (isObject(this._events[type]) && !this._events[type].warned) {\n    var m;\n    if (!isUndefined(this._maxListeners)) {\n      m = this._maxListeners;\n    } else {\n      m = EventEmitter.defaultMaxListeners;\n    }\n\n    if (m && m > 0 && this._events[type].length > m) {\n      this._events[type].warned = true;\n      console.error('(node) warning: possible EventEmitter memory ' +\n                    'leak detected. %d listeners added. ' +\n                    'Use emitter.setMaxListeners() to increase limit.',\n                    this._events[type].length);\n      if (typeof console.trace === 'function') {\n        // not supported in IE 10\n        console.trace();\n      }\n    }\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.once = function(type, listener) {\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  var fired = false;\n\n  function g() {\n    this.removeListener(type, g);\n\n    if (!fired) {\n      fired = true;\n      listener.apply(this, arguments);\n    }\n  }\n\n  g.listener = listener;\n  this.on(type, g);\n\n  return this;\n};\n\n// emits a 'removeListener' event iff the listener was removed\nEventEmitter.prototype.removeListener = function(type, listener) {\n  var list, position, length, i;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events || !this._events[type])\n    return this;\n\n  list = this._events[type];\n  length = list.length;\n  position = -1;\n\n  if (list === listener ||\n      (isFunction(list.listener) && list.listener === listener)) {\n    delete this._events[type];\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n\n  } else if (isObject(list)) {\n    for (i = length; i-- > 0;) {\n      if (list[i] === listener ||\n          (list[i].listener && list[i].listener === listener)) {\n        position = i;\n        break;\n      }\n    }\n\n    if (position < 0)\n      return this;\n\n    if (list.length === 1) {\n      list.length = 0;\n      delete this._events[type];\n    } else {\n      list.splice(position, 1);\n    }\n\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n  var key, listeners;\n\n  if (!this._events)\n    return this;\n\n  // not listening for removeListener, no need to emit\n  if (!this._events.removeListener) {\n    if (arguments.length === 0)\n      this._events = {};\n    else if (this._events[type])\n      delete this._events[type];\n    return this;\n  }\n\n  // emit removeListener for all listeners on all events\n  if (arguments.length === 0) {\n    for (key in this._events) {\n      if (key === 'removeListener') continue;\n      this.removeAllListeners(key);\n    }\n    this.removeAllListeners('removeListener');\n    this._events = {};\n    return this;\n  }\n\n  listeners = this._events[type];\n\n  if (isFunction(listeners)) {\n    this.removeListener(type, listeners);\n  } else {\n    // LIFO order\n    while (listeners.length)\n      this.removeListener(type, listeners[listeners.length - 1]);\n  }\n  delete this._events[type];\n\n  return this;\n};\n\nEventEmitter.prototype.listeners = function(type) {\n  var ret;\n  if (!this._events || !this._events[type])\n    ret = [];\n  else if (isFunction(this._events[type]))\n    ret = [this._events[type]];\n  else\n    ret = this._events[type].slice();\n  return ret;\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n  var ret;\n  if (!emitter._events || !emitter._events[type])\n    ret = 0;\n  else if (isFunction(emitter._events[type]))\n    ret = 1;\n  else\n    ret = emitter._events[type].length;\n  return ret;\n};\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\n"]}
|