261 lines
10 KiB
Python
261 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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This is an attempt at bridging matrix clients into a Jitis meet room via Matrix
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video call. It uses hard-coded xml strings overg XMPP BOSH. It can display one
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of the streams from the Jitsi bridge until the second lot of SDP comes down and
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we set the remote SDP at which point the stream ends. Our video never gets to
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the bridge.
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Requires:
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npm install jquery jsdom
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"""
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import gevent
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import grequests
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from BeautifulSoup import BeautifulSoup
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import json
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import urllib
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import subprocess
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import time
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#ACCESS_TOKEN="" #
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MATRIXBASE = 'https://matrix.org/_matrix/client/api/v1/'
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MYUSERNAME = '@davetest:matrix.org'
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HTTPBIND = 'https://meet.jit.si/http-bind'
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#HTTPBIND = 'https://jitsi.vuc.me/http-bind'
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#ROOMNAME = "matrix"
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ROOMNAME = "pibble"
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HOST="guest.jit.si"
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#HOST="jitsi.vuc.me"
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TURNSERVER="turn.guest.jit.si"
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#TURNSERVER="turn.jitsi.vuc.me"
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ROOMDOMAIN="meet.jit.si"
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#ROOMDOMAIN="conference.jitsi.vuc.me"
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class TrivialMatrixClient:
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def __init__(self, access_token):
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self.token = None
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self.access_token = access_token
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def getEvent(self):
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while True:
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url = MATRIXBASE+'events?access_token='+self.access_token+"&timeout=60000"
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if self.token:
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url += "&from="+self.token
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req = grequests.get(url)
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resps = grequests.map([req])
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obj = json.loads(resps[0].content)
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print "incoming from matrix",obj
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if 'end' not in obj:
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continue
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self.token = obj['end']
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if len(obj['chunk']):
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return obj['chunk'][0]
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def joinRoom(self, roomId):
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url = MATRIXBASE+'rooms/'+roomId+'/join?access_token='+self.access_token
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print url
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headers={ 'Content-Type': 'application/json' }
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req = grequests.post(url, headers=headers, data='{}')
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resps = grequests.map([req])
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obj = json.loads(resps[0].content)
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print "response: ",obj
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def sendEvent(self, roomId, evType, event):
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url = MATRIXBASE+'rooms/'+roomId+'/send/'+evType+'?access_token='+self.access_token
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print url
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print json.dumps(event)
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headers={ 'Content-Type': 'application/json' }
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req = grequests.post(url, headers=headers, data=json.dumps(event))
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resps = grequests.map([req])
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obj = json.loads(resps[0].content)
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print "response: ",obj
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xmppClients = {}
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def matrixLoop():
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while True:
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ev = matrixCli.getEvent()
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print ev
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if ev['type'] == 'm.room.member':
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print 'membership event'
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if ev['membership'] == 'invite' and ev['state_key'] == MYUSERNAME:
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roomId = ev['room_id']
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print "joining room %s" % (roomId)
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matrixCli.joinRoom(roomId)
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elif ev['type'] == 'm.room.message':
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if ev['room_id'] in xmppClients:
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print "already have a bridge for that user, ignoring"
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continue
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print "got message, connecting"
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xmppClients[ev['room_id']] = TrivialXmppClient(ev['room_id'], ev['user_id'])
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gevent.spawn(xmppClients[ev['room_id']].xmppLoop)
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elif ev['type'] == 'm.call.invite':
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print "Incoming call"
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#sdp = ev['content']['offer']['sdp']
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#print "sdp: %s" % (sdp)
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#xmppClients[ev['room_id']] = TrivialXmppClient(ev['room_id'], ev['user_id'])
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#gevent.spawn(xmppClients[ev['room_id']].xmppLoop)
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elif ev['type'] == 'm.call.answer':
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print "Call answered"
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sdp = ev['content']['answer']['sdp']
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if ev['room_id'] not in xmppClients:
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print "We didn't have a call for that room"
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continue
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# should probably check call ID too
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xmppCli = xmppClients[ev['room_id']]
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xmppCli.sendAnswer(sdp)
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elif ev['type'] == 'm.call.hangup':
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if ev['room_id'] in xmppClients:
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xmppClients[ev['room_id']].stop()
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del xmppClients[ev['room_id']]
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class TrivialXmppClient:
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def __init__(self, matrixRoom, userId):
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self.rid = 0
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self.matrixRoom = matrixRoom
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self.userId = userId
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self.running = True
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def stop(self):
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self.running = False
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def nextRid(self):
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self.rid += 1
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return '%d' % (self.rid)
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def sendIq(self, xml):
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fullXml = "<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' sid='%s'>%s</body>" % (self.nextRid(), self.sid, xml)
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#print "\t>>>%s" % (fullXml)
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return self.xmppPoke(fullXml)
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def xmppPoke(self, xml):
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headers = {'Content-Type': 'application/xml'}
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req = grequests.post(HTTPBIND, verify=False, headers=headers, data=xml)
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resps = grequests.map([req])
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obj = BeautifulSoup(resps[0].content)
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return obj
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def sendAnswer(self, answer):
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print "sdp from matrix client",answer
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p = subprocess.Popen(['node', 'unjingle/unjingle.js', '--sdp'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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jingle, out_err = p.communicate(answer)
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jingle = jingle % {
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'tojid': self.callfrom,
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'action': 'session-accept',
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'initiator': self.callfrom,
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'responder': self.jid,
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'sid': self.callsid
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}
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print "answer jingle from sdp",jingle
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res = self.sendIq(jingle)
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print "reply from answer: ",res
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self.ssrcs = {}
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jingleSoup = BeautifulSoup(jingle)
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for cont in jingleSoup.iq.jingle.findAll('content'):
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if cont.description:
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self.ssrcs[cont['name']] = cont.description['ssrc']
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print "my ssrcs:",self.ssrcs
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gevent.joinall([
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gevent.spawn(self.advertiseSsrcs)
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])
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def advertiseSsrcs(self):
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time.sleep(7)
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print "SSRC spammer started"
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while self.running:
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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'] }
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res = self.sendIq(ssrcMsg)
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print "reply from ssrc announce: ",res
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time.sleep(10)
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def xmppLoop(self):
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self.matrixCallId = time.time()
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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))
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print res
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self.sid = res.body['sid']
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print "sid %s" % (self.sid)
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res = self.sendIq("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>")
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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))
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res = self.sendIq("<iq type='set' id='_bind_auth_2' xmlns='jabber:client'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/></iq>")
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print res
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self.jid = res.body.iq.bind.jid.string
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print "jid: %s" % (self.jid)
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self.shortJid = self.jid.split('-')[0]
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res = self.sendIq("<iq type='set' id='_session_auth_2' xmlns='jabber:client'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq>")
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#randomthing = res.body.iq['to']
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#whatsitpart = randomthing.split('-')[0]
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#print "other random bind thing: %s" % (randomthing)
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# advertise preence to the jitsi room, with our nick
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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))
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self.muc = {'users': []}
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for p in res.body.findAll('presence'):
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u = {}
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u['shortJid'] = p['from'].split('/')[1]
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if p.c and p.c.nick:
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u['nick'] = p.c.nick.string
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self.muc['users'].append(u)
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print "muc: ",self.muc
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# wait for stuff
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while True:
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print "waiting..."
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res = self.sendIq("")
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print "got from stream: ",res
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if res.body.iq:
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jingles = res.body.iq.findAll('jingle')
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if len(jingles):
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self.callfrom = res.body.iq['from']
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self.handleInvite(jingles[0])
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elif 'type' in res.body and res.body['type'] == 'terminate':
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self.running = False
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del xmppClients[self.matrixRoom]
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return
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def handleInvite(self, jingle):
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self.initiator = jingle['initiator']
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self.callsid = jingle['sid']
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p = subprocess.Popen(['node', 'unjingle/unjingle.js', '--jingle'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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print "raw jingle invite",str(jingle)
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sdp, out_err = p.communicate(str(jingle))
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print "transformed remote offer sdp",sdp
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inviteEvent = {
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'offer': {
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'type': 'offer',
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'sdp': sdp
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},
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'call_id': self.matrixCallId,
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'version': 0,
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'lifetime': 30000
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}
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matrixCli.sendEvent(self.matrixRoom, 'm.call.invite', inviteEvent)
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matrixCli = TrivialMatrixClient(ACCESS_TOKEN)
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gevent.joinall([
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gevent.spawn(matrixLoop)
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])
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