diff options
Diffstat (limited to 'contrib/jitsimeetbridge/jitsimeetbridge.py')
| -rw-r--r-- | contrib/jitsimeetbridge/jitsimeetbridge.py | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/contrib/jitsimeetbridge/jitsimeetbridge.py b/contrib/jitsimeetbridge/jitsimeetbridge.py new file mode 100644 index 0000000000..dbc6f6ffa5 --- /dev/null +++ b/contrib/jitsimeetbridge/jitsimeetbridge.py @@ -0,0 +1,260 @@ +#!/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) +]) + |