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Add non-working jitsi meet bridge

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David Baker 2014-12-02 12:01:30 +00:00 committed by Paul "LeoNerd" Evans
parent 293e89e2da
commit 48f90036d8
10 changed files with 5488 additions and 0 deletions
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260
contrib/jitsimeetbridge/jitsimeetbridge.py Normal file
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#!/usr/bin/env python
"""
This is an attempt at bridging matrix clients into a Jitis meet room via Matrix
video call. It uses hard-coded xml strings overg XMPP BOSH. It can display one
of the streams from the Jitsi bridge until the second lot of SDP comes down and
we set the remote SDP at which point the stream ends. Our video never gets to
the bridge.
Requires:
npm install jquery jsdom
"""
import gevent
import grequests
from BeautifulSoup import BeautifulSoup
import json
import urllib
import subprocess
import time
#ACCESS_TOKEN="" #
MATRIXBASE = 'https://matrix.org/_matrix/client/api/v1/'
MYUSERNAME = '@davetest:matrix.org'
HTTPBIND = 'https://meet.jit.si/http-bind'
#HTTPBIND = 'https://jitsi.vuc.me/http-bind'
#ROOMNAME = "matrix"
ROOMNAME = "pibble"
HOST="guest.jit.si"
#HOST="jitsi.vuc.me"
TURNSERVER="turn.guest.jit.si"
#TURNSERVER="turn.jitsi.vuc.me"
ROOMDOMAIN="meet.jit.si"
#ROOMDOMAIN="conference.jitsi.vuc.me"
class TrivialMatrixClient:
def __init__(self, access_token):
self.token = None
self.access_token = access_token
def getEvent(self):
while True:
url = MATRIXBASE+'events?access_token='+self.access_token+"&timeout=60000"
if self.token:
url += "&from="+self.token
req = grequests.get(url)
resps = grequests.map([req])
obj = json.loads(resps[0].content)
print "incoming from matrix",obj
if 'end' not in obj:
continue
self.token = obj['end']
if len(obj['chunk']):
return obj['chunk'][0]
def joinRoom(self, roomId):
url = MATRIXBASE+'rooms/'+roomId+'/join?access_token='+self.access_token
print url
headers={ 'Content-Type': 'application/json' }
req = grequests.post(url, headers=headers, data='{}')
resps = grequests.map([req])
obj = json.loads(resps[0].content)
print "response: ",obj
def sendEvent(self, roomId, evType, event):
url = MATRIXBASE+'rooms/'+roomId+'/send/'+evType+'?access_token='+self.access_token
print url
print json.dumps(event)
headers={ 'Content-Type': 'application/json' }
req = grequests.post(url, headers=headers, data=json.dumps(event))
resps = grequests.map([req])
obj = json.loads(resps[0].content)
print "response: ",obj
xmppClients = {}
def matrixLoop():
while True:
ev = matrixCli.getEvent()
print ev
if ev['type'] == 'm.room.member':
print 'membership event'
if ev['membership'] == 'invite' and ev['state_key'] == MYUSERNAME:
roomId = ev['room_id']
print "joining room %s" % (roomId)
matrixCli.joinRoom(roomId)
elif ev['type'] == 'm.room.message':
if ev['room_id'] in xmppClients:
print "already have a bridge for that user, ignoring"
continue
print "got message, connecting"
xmppClients[ev['room_id']] = TrivialXmppClient(ev['room_id'], ev['user_id'])
gevent.spawn(xmppClients[ev['room_id']].xmppLoop)
elif ev['type'] == 'm.call.invite':
print "Incoming call"
#sdp = ev['content']['offer']['sdp']
#print "sdp: %s" % (sdp)
#xmppClients[ev['room_id']] = TrivialXmppClient(ev['room_id'], ev['user_id'])
#gevent.spawn(xmppClients[ev['room_id']].xmppLoop)
elif ev['type'] == 'm.call.answer':
print "Call answered"
sdp = ev['content']['answer']['sdp']
if ev['room_id'] not in xmppClients:
print "We didn't have a call for that room"
continue
# should probably check call ID too
xmppCli = xmppClients[ev['room_id']]
xmppCli.sendAnswer(sdp)
elif ev['type'] == 'm.call.hangup':
if ev['room_id'] in xmppClients:
xmppClients[ev['room_id']].stop()
del xmppClients[ev['room_id']]
class TrivialXmppClient:
def __init__(self, matrixRoom, userId):
self.rid = 0
self.matrixRoom = matrixRoom
self.userId = userId
self.running = True
def stop(self):
self.running = False
def nextRid(self):
self.rid += 1
return '%d' % (self.rid)
def sendIq(self, xml):
fullXml = "<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' sid='%s'>%s</body>" % (self.nextRid(), self.sid, xml)
#print "\t>>>%s" % (fullXml)
return self.xmppPoke(fullXml)
def xmppPoke(self, xml):
headers = {'Content-Type': 'application/xml'}
req = grequests.post(HTTPBIND, verify=False, headers=headers, data=xml)
resps = grequests.map([req])
obj = BeautifulSoup(resps[0].content)
return obj
def sendAnswer(self, answer):
print "sdp from matrix client",answer
p = subprocess.Popen(['node', 'unjingle/unjingle.js', '--sdp'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
jingle, out_err = p.communicate(answer)
jingle = jingle % {
'tojid': self.callfrom,
'action': 'session-accept',
'initiator': self.callfrom,
'responder': self.jid,
'sid': self.callsid
}
print "answer jingle from sdp",jingle
res = self.sendIq(jingle)
print "reply from answer: ",res
self.ssrcs = {}
jingleSoup = BeautifulSoup(jingle)
for cont in jingleSoup.iq.jingle.findAll('content'):
if cont.description:
self.ssrcs[cont['name']] = cont.description['ssrc']
print "my ssrcs:",self.ssrcs
gevent.joinall([
gevent.spawn(self.advertiseSsrcs)
])
def advertiseSsrcs(self):
time.sleep(7)
print "SSRC spammer started"
while self.running:
ssrcMsg = "<presence to='%(tojid)s' xmlns='jabber:client'><x xmlns='http://jabber.org/protocol/muc'/><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://jitsi.org/jitsimeet' ver='0WkSdhFnAUxrz4ImQQLdB80GFlE='/><nick xmlns='http://jabber.org/protocol/nick'>%(nick)s</nick><stats xmlns='http://jitsi.org/jitmeet/stats'><stat name='bitrate_download' value='175'/><stat name='bitrate_upload' value='176'/><stat name='packetLoss_total' value='0'/><stat name='packetLoss_download' value='0'/><stat name='packetLoss_upload' value='0'/></stats><media xmlns='http://estos.de/ns/mjs'><source type='audio' ssrc='%(assrc)s' direction='sendre'/><source type='video' ssrc='%(vssrc)s' direction='sendre'/></media></presence>" % { 'tojid': "%s@%s/%s" % (ROOMNAME, ROOMDOMAIN, self.shortJid), 'nick': self.userId, 'assrc': self.ssrcs['audio'], 'vssrc': self.ssrcs['video'] }
res = self.sendIq(ssrcMsg)
print "reply from ssrc announce: ",res
time.sleep(10)
def xmppLoop(self):
self.matrixCallId = time.time()
res = self.xmppPoke("<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' to='%s' xml:lang='en' wait='60' hold='1' content='text/xml; charset=utf-8' ver='1.6' xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'/>" % (self.nextRid(), HOST))
print res
self.sid = res.body['sid']
print "sid %s" % (self.sid)
res = self.sendIq("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>")
res = self.xmppPoke("<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' sid='%s' to='%s' xml:lang='en' xmpp:restart='true' xmlns:xmpp='urn:xmpp:xbosh'/>" % (self.nextRid(), self.sid, HOST))
res = self.sendIq("<iq type='set' id='_bind_auth_2' xmlns='jabber:client'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/></iq>")
print res
self.jid = res.body.iq.bind.jid.string
print "jid: %s" % (self.jid)
self.shortJid = self.jid.split('-')[0]
res = self.sendIq("<iq type='set' id='_session_auth_2' xmlns='jabber:client'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq>")
#randomthing = res.body.iq['to']
#whatsitpart = randomthing.split('-')[0]
#print "other random bind thing: %s" % (randomthing)
# advertise preence to the jitsi room, with our nick
res = self.sendIq("<iq type='get' to='%s' xmlns='jabber:client' id='1:sendIQ'><services xmlns='urn:xmpp:extdisco:1'><service host='%s'/></services></iq><presence to='%s@%s/d98f6c40' xmlns='jabber:client'><x xmlns='http://jabber.org/protocol/muc'/><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://jitsi.org/jitsimeet' ver='0WkSdhFnAUxrz4ImQQLdB80GFlE='/><nick xmlns='http://jabber.org/protocol/nick'>%s</nick></presence>" % (HOST, TURNSERVER, ROOMNAME, ROOMDOMAIN, self.userId))
self.muc = {'users': []}
for p in res.body.findAll('presence'):
u = {}
u['shortJid'] = p['from'].split('/')[1]
if p.c and p.c.nick:
u['nick'] = p.c.nick.string
self.muc['users'].append(u)
print "muc: ",self.muc
# wait for stuff
while True:
print "waiting..."
res = self.sendIq("")
print "got from stream: ",res
if res.body.iq:
jingles = res.body.iq.findAll('jingle')
if len(jingles):
self.callfrom = res.body.iq['from']
self.handleInvite(jingles[0])
elif 'type' in res.body and res.body['type'] == 'terminate':
self.running = False
del xmppClients[self.matrixRoom]
return
def handleInvite(self, jingle):
self.initiator = jingle['initiator']
self.callsid = jingle['sid']
p = subprocess.Popen(['node', 'unjingle/unjingle.js', '--jingle'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
print "raw jingle invite",str(jingle)
sdp, out_err = p.communicate(str(jingle))
print "transformed remote offer sdp",sdp
inviteEvent = {
'offer': {
'type': 'offer',
'sdp': sdp
},
'call_id': self.matrixCallId,
'version': 0,
'lifetime': 30000
}
matrixCli.sendEvent(self.matrixRoom, 'm.call.invite', inviteEvent)
matrixCli = TrivialMatrixClient(ACCESS_TOKEN)
gevent.joinall([
gevent.spawn(matrixLoop)
])

188
contrib/jitsimeetbridge/syweb-jitsi-conference.patch Normal file
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diff --git a/syweb/webclient/app/components/matrix/matrix-call.js b/syweb/webclient/app/components/matrix/matrix-call.js
index 9fbfff0..dc68077 100644
--- a/syweb/webclient/app/components/matrix/matrix-call.js
+++ b/syweb/webclient/app/components/matrix/matrix-call.js
@@ -16,6 +16,45 @@ limitations under the License.
'use strict';
+
+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);
+ messageHandler.showError();
+ }
+ );
+ },
+ function (error) {
+ console.log('triggerKeyframe createAnswer failed', error);
+ messageHandler.showError();
+ }
+ );
+ },
+ function (error) {
+ console.log('triggerKeyframe setRemoteDescription failed', error);
+ messageHandler.showError();
+ }
+ );
+}
+
+
+
+
+
+
+
var forAllVideoTracksOnStream = function(s, f) {
var tracks = s.getVideoTracks();
for (var i = 0; i < tracks.length; i++) {
@@ -83,7 +122,7 @@ angular.module('MatrixCall', [])
}
// FIXME: we should prevent any calls from being placed or accepted before this has finished
- MatrixCall.getTurnServer();
+ //MatrixCall.getTurnServer();
MatrixCall.CALL_TIMEOUT = 60000;
MatrixCall.FALLBACK_STUN_SERVER = 'stun:stun.l.google.com:19302';
@@ -132,6 +171,22 @@ angular.module('MatrixCall', [])
pc.onsignalingstatechange = function() { self.onSignallingStateChanged(); };
pc.onicecandidate = function(c) { self.gotLocalIceCandidate(c); };
pc.onaddstream = function(s) { self.onAddStream(s); };
+
+ var datachan = pc.createDataChannel('RTCDataChannel', {
+ reliable: false
+ });
+ console.log("data chan: "+datachan);
+ datachan.onopen = function() {
+ console.log("data channel open");
+ };
+ datachan.onmessage = function() {
+ console.log("data channel message");
+ };
+ pc.ondatachannel = function(event) {
+ console.log("have data channel");
+ event.channel.binaryType = 'blob';
+ };
+
return pc;
}
@@ -200,6 +255,12 @@ angular.module('MatrixCall', [])
}, this.msg.lifetime - event.age);
};
+ MatrixCall.prototype.receivedInvite = function(event) {
+ console.log("Got second invite for call "+this.call_id);
+ this.peerConn.setRemoteDescription(new RTCSessionDescription(this.msg.offer), this.onSetRemoteDescriptionSuccess, this.onSetRemoteDescriptionError);
+ };
+
+
// perverse as it may seem, sometimes we want to instantiate a call with a hangup message
// (because when getting the state of the room on load, events come in reverse order and
// we want to remember that a call has been hung up)
@@ -349,7 +410,7 @@ angular.module('MatrixCall', [])
'mandatory': {
'OfferToReceiveAudio': true,
'OfferToReceiveVideo': this.type == 'video'
- },
+ }
};
this.peerConn.createAnswer(function(d) { self.createdAnswer(d); }, function(e) {}, constraints);
// This can't be in an apply() because it's called by a predecessor call under glare conditions :(
@@ -359,8 +420,20 @@ angular.module('MatrixCall', [])
MatrixCall.prototype.gotLocalIceCandidate = function(event) {
if (event.candidate) {
console.log("Got local ICE "+event.candidate.sdpMid+" candidate: "+event.candidate.candidate);
- this.sendCandidate(event.candidate);
- }
+ //this.sendCandidate(event.candidate);
+ } else {
+ console.log("have all candidates, sending answer");
+ var content = {
+ version: 0,
+ call_id: this.call_id,
+ answer: this.peerConn.localDescription
+ };
+ this.sendEventWithRetry('m.call.answer', content);
+ var self = this;
+ $rootScope.$apply(function() {
+ self.state = 'connecting';
+ });
+ }
}
MatrixCall.prototype.gotRemoteIceCandidate = function(cand) {
@@ -418,15 +491,6 @@ angular.module('MatrixCall', [])
console.log("Created answer: "+description);
var self = this;
this.peerConn.setLocalDescription(description, function() {
- var content = {
- version: 0,
- call_id: self.call_id,
- answer: self.peerConn.localDescription
- };
- self.sendEventWithRetry('m.call.answer', content);
- $rootScope.$apply(function() {
- self.state = 'connecting';
- });
}, function() { console.log("Error setting local description!"); } );
};
@@ -448,6 +512,9 @@ angular.module('MatrixCall', [])
$rootScope.$apply(function() {
self.state = 'connected';
self.didConnect = true;
+ /*$timeout(function() {
+ sendKeyframe(self.peerConn);
+ }, 1000);*/
});
} else if (this.peerConn.iceConnectionState == 'failed') {
this.hangup('ice_failed');
@@ -518,6 +585,7 @@ angular.module('MatrixCall', [])
MatrixCall.prototype.onRemoteStreamEnded = function(event) {
console.log("Remote stream ended");
+ return;
var self = this;
$rootScope.$apply(function() {
self.state = 'ended';
diff --git a/syweb/webclient/app/components/matrix/matrix-phone-service.js b/syweb/webclient/app/components/matrix/matrix-phone-service.js
index 55dbbf5..272fa27 100644
--- a/syweb/webclient/app/components/matrix/matrix-phone-service.js
+++ b/syweb/webclient/app/components/matrix/matrix-phone-service.js
@@ -48,6 +48,13 @@ angular.module('matrixPhoneService', [])
return;
}
+ // do we already have an entry for this call ID?
+ var existingEntry = matrixPhoneService.allCalls[msg.call_id];
+ if (existingEntry) {
+ existingEntry.receivedInvite(msg);
+ return;
+ }
+
var call = undefined;
if (!isLive) {
// if this event wasn't live then this call may already be over
@@ -108,7 +115,7 @@ angular.module('matrixPhoneService', [])
call.hangup();
}
} else {
- $rootScope.$broadcast(matrixPhoneService.INCOMING_CALL_EVENT, call);
+ $rootScope.$broadcast(matrixPhoneService.INCOMING_CALL_EVENT, call);
}
} else if (event.type == 'm.call.answer') {
var call = matrixPhoneService.allCalls[msg.call_id];

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contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js Normal file
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/* jshint -W117 */
// 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('');
}
exports.SDP = SDP;
var jsdom = require("jsdom");
var window = jsdom.jsdom().parentWindow;
var $ = require('jquery')(window);
var SDPUtil = require('./strophe.jingle.sdp.util.js').SDPUtil;
/**
* Returns map of MediaChannel mapped per channel idx.
*/
SDP.prototype.getMediaSsrcMap = function() {
var self = this;
var media_ssrcs = {};
for (channelNum = 0; channelNum < self.media.length; channelNum++) {
modified = true;
tmp = SDPUtil.find_lines(self.media[channelNum], 'a=ssrc:');
var type = SDPUtil.parse_mid(SDPUtil.find_line(self.media[channelNum], 'a=mid:'));
var channel = new MediaChannel(channelNum, type);
media_ssrcs[channelNum] = channel;
tmp.forEach(function (line) {
var linessrc = line.substring(7).split(' ')[0];
// allocate new ChannelSsrc
if(!channel.ssrcs[linessrc]) {
channel.ssrcs[linessrc] = new ChannelSsrc(linessrc, type);
}
channel.ssrcs[linessrc].lines.push(line);
});
tmp = SDPUtil.find_lines(self.media[channelNum], '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) {
var ssrcGroup = new ChannelSsrcGroup(semantics, ssrcs);
channel.ssrcGroups.push(ssrcGroup);
}
});
}
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 channels = this.getMediaSsrcMap();
var contains = false;
Object.keys(channels).forEach(function(chNumber){
var channel = channels[chNumber];
//console.log("Check", channel, ssrc);
if(Object.keys(channel.ssrcs).indexOf(ssrc) != -1){
contains = true;
}
});
return contains;
};
/**
* 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.
*/
SDP.prototype.getNewMedia = function(otherSdp) {
// 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 myMedia = this.getMediaSsrcMap();
var othersMedia = otherSdp.getMediaSsrcMap();
var newMedia = {};
Object.keys(othersMedia).forEach(function(channelNum) {
var myChannel = myMedia[channelNum];
var othersChannel = othersMedia[channelNum];
if(!myChannel && othersChannel) {
// Add whole channel
newMedia[channelNum] = othersChannel;
return;
}
// Look for new ssrcs accross the channel
Object.keys(othersChannel.ssrcs).forEach(function(ssrc) {
if(Object.keys(myChannel.ssrcs).indexOf(ssrc) === -1) {
// Allocate channel if we've found ssrc that doesn't exist in our channel
if(!newMedia[channelNum]){
newMedia[channelNum] = new MediaChannel(othersChannel.chNumber, othersChannel.mediaType);
}
newMedia[channelNum].ssrcs[ssrc] = othersChannel.ssrcs[ssrc];
}
});
// Look for new ssrc groups across the channels
othersChannel.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 < myChannel.ssrcGroups.length; i++) {
var mySsrcGroup = myChannel.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[channelNum]){
newMedia[channelNum] = new MediaChannel(othersChannel.chNumber, othersChannel.mediaType);
}
newMedia[channelNum].ssrcGroups.push(otherSsrcGroup);
}
});
});
return newMedia;
};
// 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) {
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();
}
}
// old bundle plan, to be removed
var bundle = [];
if (SDPUtil.find_line(this.session, 'a=group:BUNDLE')) {
bundle = SDPUtil.find_line(this.session, 'a=group:BUNDLE ').split(' ');
bundle.shift();
}
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 {
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 });
// old BUNDLE plan, to be removed
if (bundle.indexOf(mid) !== -1) {
elem.c('bundle', {xmlns: 'http://estos.de/ns/bundle'}).up();
bundle.splice(bundle.indexOf(mid), 1);
}
}
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:');
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();
// old proprietary mapping, to be removed at some point
tmp = SDPUtil.parse_ssrc(this.media[i]);
tmp.xmlns = 'http://estos.de/ns/ssrc';
tmp.ssrc = ssrc;
elem.c('ssrc', tmp).up(); // ssrc is part of description
// 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 = $(group).find('>content').map(function (idx, content) {
return content.getAttribute('name');
}).get();
if (contents.length > 0) {
self.raw += 'a=group:' + (group.getAttribute('semantics') || group.getAttribute('type')) + ' ' + contents.join(' ') + '\r\n';
}
});
} else if ($(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').length) {
// temporary namespace, not to be used. to be removed soon.
$(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').each(function (idx, group) {
var contents = $(group).find('>content').map(function (idx, content) {
return content.getAttribute('name');
}).get();
if (group.getAttribute('type') !== null && contents.length > 0) {
self.raw += 'a=group:' + group.getAttribute('type') + ' ' + contents.join(' ') + '\r\n';
}
});
} else {
// for backward compability, to be removed soon
// assume all contents are in the same bundle group, can be improved upon later
var bundle = $(jingle).find('>content').filter(function (idx, content) {
//elem.c('bundle', {xmlns:'http://estos.de/ns/bundle'});
return $(content).find('>bundle').length > 0;
}).map(function (idx, content) {
return content.getAttribute('name');
}).get();
if (bundle.length) {
this.raw += 'a=group:BUNDLE ' + bundle.join(' ') + '\r\n';
}
}
this.session = this.raw;
jingle.find('>content').each(function () {
var m = self.jingle2media($(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"]');
tmp = content.find('>bundle>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]');
//console.log('transports: '+content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]').length);
//console.log('bundle.transports: '+content.find('>bundle>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]').length);
//console.log("tmp fingerprint: "+tmp.find('>fingerprint').innerHTML);
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 += ' ' + $(this).text();
media += '\r\n';
//console.log("mline "+media);
if (this.getAttribute('setup')) {
media += 'a=setup:' + this.getAttribute('setup') + '\r\n';
}
});
}
switch (content.attr('senders')) {
case 'initiator':
media += 'a=sendonly\r\n';
break;
case 'responder':
media += 'a=recvonly\r\n';
break;
case 'none':
media += 'a=inactive\r\n';
break;
case 'both':
media += 'a=sendrecv\r\n';
break;
}
media += 'a=mid:' + content.attr('name') + '\r\n';
/*if (content.attr('name') == 'video') {
media += 'a=x-google-flag:conference' + '\r\n';
}*/
// <description><rtcp-mux/></description>
// see http://code.google.com/p/libjingle/issues/detail?id=309 -- no spec though
// and http://mail.jabber.org/pipermail/jingle/2011-December/001761.html
if (desc.find('rtcp-mux').length) {
media += 'a=rtcp-mux\r\n';
}
if (desc.find('encryption').length) {
desc.find('encryption>crypto').each(function () {
media += 'a=crypto:' + this.getAttribute('tag');
media += ' ' + this.getAttribute('crypto-suite');
media += ' ' + this.getAttribute('key-params');
if (this.getAttribute('session-params')) {
media += ' ' + this.getAttribute('session-params');
}
media += '\r\n';
});
}
desc.find('payload-type').each(function () {
media += SDPUtil.build_rtpmap(this) + '\r\n';
if ($(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('>bundle>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';
});
});
if (tmp.length === 0) {
// fallback to proprietary mapping of a=ssrc lines
tmp = content.find('description>ssrc[xmlns="http://estos.de/ns/ssrc"]');
if (tmp.length) {
media += 'a=ssrc:' + ssrc + ' cname:' + tmp.attr('cname') + '\r\n';
media += 'a=ssrc:' + ssrc + ' msid:' + tmp.attr('msid') + '\r\n';
media += 'a=ssrc:' + ssrc + ' mslabel:' + tmp.attr('mslabel') + '\r\n';
media += 'a=ssrc:' + ssrc + ' label:' + tmp.attr('label') + '\r\n';
}
}
return media;
};

408
contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.util.js Normal file
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/**
* Contains utility classes used in SDP class.
*
*/
/**
* Class holds a=ssrc lines and media type a=mid
* @param ssrc synchronization source identifier number(a=ssrc lines from SDP)
* @param type media type eg. "audio" or "video"(a=mid frm SDP)
* @constructor
*/
function ChannelSsrc(ssrc, type) {
this.ssrc = ssrc;
this.type = type;
this.lines = [];
}
/**
* Class holds a=ssrc-group: lines
* @param semantics
* @param ssrcs
* @constructor
*/
function ChannelSsrcGroup(semantics, ssrcs, line) {
this.semantics = semantics;
this.ssrcs = ssrcs;
}
/**
* Helper class represents media channel. Is a container for ChannelSsrc, holds channel idx and media type.
* @param channelNumber channel idx in SDP media array.
* @param mediaType media type(a=mid)
* @constructor
*/
function MediaChannel(channelNumber, mediaType) {
/**
* SDP channel number
* @type {*}
*/
this.chNumber = channelNumber;
/**
* Channel media type(a=mid)
* @type {*}
*/
this.mediaType = mediaType;
/**
* The maps of ssrc numbers to ChannelSsrc objects.
*/
this.ssrcs = {};
/**
* The array of ChannelSsrcGroup objects.
* @type {Array}
*/
this.ssrcGroups = [];
}
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';
}
};
exports.SDPUtil = SDPUtil;

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/**
* Wrapper for built-in http.js to emulate the browser XMLHttpRequest object.
*
* This can be used with JS designed for browsers to improve reuse of code and
* allow the use of existing libraries.
*
* Usage: include("XMLHttpRequest.js") and use XMLHttpRequest per W3C specs.
*
* @todo SSL Support
* @author Dan DeFelippi <dan@driverdan.com>
* @license MIT
*/
var Url = require("url")
,sys = require("util");
exports.XMLHttpRequest = function() {
/**
* Private variables
*/
var self = this;
var http = require('http');
var https = require('https');
// Holds http.js objects
var client;
var request;
var response;
// Request settings
var settings = {};
// Set some default headers
var defaultHeaders = {
"User-Agent": "node.js",
"Accept": "*/*",
};
var headers = defaultHeaders;
/**
* Constants
*/
this.UNSENT = 0;
this.OPENED = 1;
this.HEADERS_RECEIVED = 2;
this.LOADING = 3;
this.DONE = 4;
/**
* Public vars
*/
// Current state
this.readyState = this.UNSENT;
// default ready state change handler in case one is not set or is set late
this.onreadystatechange = function() {};
// Result & response
this.responseText = "";
this.responseXML = "";
this.status = null;
this.statusText = null;
/**
* Open the connection. Currently supports local server requests.
*
* @param string method Connection method (eg GET, POST)
* @param string url URL for the connection.
* @param boolean async Asynchronous connection. Default is true.
* @param string user Username for basic authentication (optional)
* @param string password Password for basic authentication (optional)
*/
this.open = function(method, url, async, user, password) {
settings = {
"method": method,
"url": url,
"async": async || null,
"user": user || null,
"password": password || null
};
this.abort();
setState(this.OPENED);
};
/**
* Sets a header for the request.
*
* @param string header Header name
* @param string value Header value
*/
this.setRequestHeader = function(header, value) {
headers[header] = value;
};
/**
* Gets a header from the server response.
*
* @param string header Name of header to get.
* @return string Text of the header or null if it doesn't exist.
*/
this.getResponseHeader = function(header) {
if (this.readyState > this.OPENED && response.headers[header]) {
return header + ": " + response.headers[header];
}
return null;
};
/**
* Gets all the response headers.
*
* @return string
*/
this.getAllResponseHeaders = function() {
if (this.readyState < this.HEADERS_RECEIVED) {
throw "INVALID_STATE_ERR: Headers have not been received.";
}
var result = "";
for (var i in response.headers) {
result += i + ": " + response.headers[i] + "\r\n";
}
return result.substr(0, result.length - 2);
};
/**
* Sends the request to the server.
*
* @param string data Optional data to send as request body.
*/
this.send = function(data) {
if (this.readyState != this.OPENED) {
throw "INVALID_STATE_ERR: connection must be opened before send() is called";
}
var ssl = false;
var url = Url.parse(settings.url);
// Determine the server
switch (url.protocol) {
case 'https:':
ssl = true;
// SSL & non-SSL both need host, no break here.
case 'http:':
var host = url.hostname;
break;
case undefined:
case '':
var host = "localhost";
break;
default:
throw "Protocol not supported.";
}
// Default to port 80. If accessing localhost on another port be sure
// to use http://localhost:port/path
var port = url.port || (ssl ? 443 : 80);
// Add query string if one is used
var uri = url.pathname + (url.search ? url.search : '');
// Set the Host header or the server may reject the request
this.setRequestHeader("Host", host);
// Set content length header
if (settings.method == "GET" || settings.method == "HEAD") {
data = null;
} else if (data) {
this.setRequestHeader("Content-Length", Buffer.byteLength(data));
if (!headers["Content-Type"]) {
this.setRequestHeader("Content-Type", "text/plain;charset=UTF-8");
}
}
// Use the proper protocol
var doRequest = ssl ? https.request : http.request;
var options = {
host: host,
port: port,
path: uri,
method: settings.method,
headers: headers,
agent: false
};
var req = doRequest(options, function(res) {
response = res;
response.setEncoding("utf8");
setState(self.HEADERS_RECEIVED);
self.status = response.statusCode;
response.on('data', function(chunk) {
// Make sure there's some data
if (chunk) {
self.responseText += chunk;
}
setState(self.LOADING);
});
response.on('end', function() {
setState(self.DONE);
});
response.on('error', function() {
self.handleError(error);
});
}).on('error', function(error) {
self.handleError(error);
});
req.setHeader("Connection", "Close");
// Node 0.4 and later won't accept empty data. Make sure it's needed.
if (data) {
req.write(data);
}
req.end();
};
this.handleError = function(error) {
this.status = 503;
this.statusText = error;
this.responseText = error.stack;
setState(this.DONE);
};
/**
* Aborts a request.
*/
this.abort = function() {
headers = defaultHeaders;
this.readyState = this.UNSENT;
this.responseText = "";
this.responseXML = "";
};
/**
* Changes readyState and calls onreadystatechange.
*
* @param int state New state
*/
var setState = function(state) {
self.readyState = state;
self.onreadystatechange();
}
};

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// This code was written by Tyler Akins and has been placed in the
// public domain. It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
var Base64 = (function () {
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
var obj = {
/**
* Encodes a string in base64
* @param {String} input The string to encode in base64.
*/
encode: function (input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
keyStr.charAt(enc3) + keyStr.charAt(enc4);
} while (i < input.length);
return output;
},
/**
* Decodes a base64 string.
* @param {String} input The string to decode.
*/
decode: function (input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
} while (i < input.length);
return output;
}
};
return obj;
})();
// Nodify
exports.Base64 = Base64;

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/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/
var MD5 = (function () {
/*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
var safe_add = function (x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
};
/*
* Bitwise rotate a 32-bit number to the left.
*/
var bit_rol = function (num, cnt) {
return (num << cnt) | (num >>> (32 - cnt));
};
/*
* Convert a string to an array of little-endian words
* If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
*/
var str2binl = function (str) {
var bin = [];
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
{
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
}
return bin;
};
/*
* Convert an array of little-endian words to a string
*/
var binl2str = function (bin) {
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
{
str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
}
return str;
};
/*
* Convert an array of little-endian words to a hex string.
*/
var binl2hex = function (binarray) {
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
}
return str;
};
/*
* Convert an array of little-endian words to a base-64 string
*/
var binl2b64 = function (binarray) {
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
var triplet, j;
for(var i = 0; i < binarray.length * 4; i += 3)
{
triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) |
(((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) |
((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
for(j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > binarray.length * 32) { str += b64pad; }
else { str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); }
}
}
return str;
};
/*
* These functions implement the four basic operations the algorithm uses.
*/
var md5_cmn = function (q, a, b, x, s, t) {
return safe_add(bit_rol(safe_add(safe_add(a, q),safe_add(x, t)), s),b);
};
var md5_ff = function (a, b, c, d, x, s, t) {
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
};
var md5_gg = function (a, b, c, d, x, s, t) {
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
};
var md5_hh = function (a, b, c, d, x, s, t) {
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
};
var md5_ii = function (a, b, c, d, x, s, t) {
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
};
/*
* Calculate the MD5 of an array of little-endian words, and a bit length
*/
var core_md5 = function (x, len) {
/* append padding */
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var olda, oldb, oldc, oldd;
for (var i = 0; i < x.length; i += 16)
{
olda = a;
oldb = b;
oldc = c;
oldd = d;
a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return [a, b, c, d];
};
/*
* Calculate the HMAC-MD5, of a key and some data
*/
var core_hmac_md5 = function (key, data) {
var bkey = str2binl(key);
if(bkey.length > 16) { bkey = core_md5(bkey, key.length * chrsz); }
var ipad = new Array(16), opad = new Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
};
var obj = {
/*
* These are the functions you'll usually want to call.
* They take string arguments and return either hex or base-64 encoded
* strings.
*/
hexdigest: function (s) {
return binl2hex(core_md5(str2binl(s), s.length * chrsz));
},
b64digest: function (s) {
return binl2b64(core_md5(str2binl(s), s.length * chrsz));
},
hash: function (s) {
return binl2str(core_md5(str2binl(s), s.length * chrsz));
},
hmac_hexdigest: function (key, data) {
return binl2hex(core_hmac_md5(key, data));
},
hmac_b64digest: function (key, data) {
return binl2b64(core_hmac_md5(key, data));
},
hmac_hash: function (key, data) {
return binl2str(core_hmac_md5(key, data));
},
/*
* Perform a simple self-test to see if the VM is working
*/
test: function () {
return MD5.hexdigest("abc") === "900150983cd24fb0d6963f7d28e17f72";
}
};
return obj;
})();
// Nodify
exports.MD5 = MD5;

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var strophe = require("./strophe/strophe.js").Strophe;
var Strophe = strophe.Strophe;
var $iq = strophe.$iq;
var $msg = strophe.$msg;
var $build = strophe.$build;
var $pres = strophe.$pres;
var jsdom = require("jsdom");
var window = jsdom.jsdom().parentWindow;
var $ = require('jquery')(window);
var stropheJingle = require("./strophe.jingle.sdp.js");
var input = '';
process.stdin.on('readable', function() {
var chunk = process.stdin.read();
if (chunk !== null) {
input += chunk;
}
});
process.stdin.on('end', function() {
if (process.argv[2] == '--jingle') {
var elem = $(input);
// app does:
// sess.setRemoteDescription($(iq).find('>jingle'), 'offer');
//console.log(elem.find('>content'));
var sdp = new stropheJingle.SDP('');
sdp.fromJingle(elem);
console.log(sdp.raw);
} else if (process.argv[2] == '--sdp') {
var sdp = new stropheJingle.SDP(input);
var accept = $iq({to: '%(tojid)s',
type: 'set'})
.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
//action: 'session-accept',
action: '%(action)s',
initiator: '%(initiator)s',
responder: '%(responder)s',
sid: '%(sid)s' });
sdp.toJingle(accept, 'responder');
console.log(Strophe.serialize(accept));
}
});