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296 lines
11 KiB
Python
296 lines
11 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 json
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import subprocess
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import time
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import gevent
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import grequests
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from BeautifulSoup import BeautifulSoup
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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 = (
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MATRIXBASE
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+ "events?access_token="
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+ self.access_token
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+ "&timeout=60000"
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)
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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 = (
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MATRIXBASE
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+ "rooms/"
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+ roomId
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+ "/send/"
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+ evType
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+ "?access_token="
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+ self.access_token
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)
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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 = (
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"<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' sid='%s'>%s</body>"
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% (self.nextRid(), self.sid, xml)
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)
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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(
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["node", "unjingle/unjingle.js", "--sdp"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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)
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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([gevent.spawn(self.advertiseSsrcs)])
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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>" % {
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"tojid": "%s@%s/%s" % (ROOMNAME, ROOMDOMAIN, self.shortJid),
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"nick": self.userId,
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"assrc": self.ssrcs["audio"],
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"vssrc": self.ssrcs["video"],
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}
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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(
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"<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'/>"
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% (self.nextRid(), HOST)
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)
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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(
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"<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>"
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)
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res = self.xmppPoke(
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"<body rid='%s' xmlns='http://jabber.org/protocol/httpbind' sid='%s' to='%s' xml:lang='en' xmpp:restart='true' xmlns:xmpp='urn:xmpp:xbosh'/>"
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% (self.nextRid(), self.sid, HOST)
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)
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res = self.sendIq(
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"<iq type='set' id='_bind_auth_2' xmlns='jabber:client'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/></iq>"
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)
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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(
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"<iq type='set' id='_session_auth_2' xmlns='jabber:client'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq>"
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)
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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(
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"<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>"
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% (HOST, TURNSERVER, ROOMNAME, ROOMDOMAIN, self.userId)
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)
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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(
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["node", "unjingle/unjingle.js", "--jingle"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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)
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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": {"type": "offer", "sdp": sdp},
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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) # Undefined name
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gevent.joinall([gevent.spawn(matrixLoop)])
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