def new_from_sip_session(cls, session): proposed_stream_types = set( [stream.type for stream in session.proposed_streams]) streams = [] for stream_type in proposed_stream_types: try: klass = JingleMediaStreamRegistry.get(stream_type) except Exception: continue streams.append(klass()) if not streams: session.reject(488) return None session.send_ring_indication() instance = cls() NotificationCenter().add_observer(instance, sender=session) # Get URI representing the SIP side contact_uri = session._invitation.remote_contact_header.uri if contact_uri.parameters.get('gr') is not None: sip_leg_uri = FrozenURI(contact_uri.user, contact_uri.host, contact_uri.parameters.get('gr')) else: tmp = session.remote_identity.uri sip_leg_uri = FrozenURI(tmp.user, tmp.host, generate_sylk_resource()) instance._sip_identity = Identity(sip_leg_uri) # Get URI representing the XMPP side request_uri = session.request_uri remote_resource = request_uri.parameters.get('gr', None) if remote_resource is not None: try: remote_resource = decode_resource(remote_resource) except (TypeError, UnicodeError): remote_resource = None xmpp_leg_uri = FrozenURI(request_uri.user, request_uri.host, remote_resource) instance._xmpp_identity = Identity(xmpp_leg_uri) instance.sip_session = session instance._start_outgoing_jingle_session(streams) return instance
def new_from_sip_session(cls, session): proposed_stream_types = set([stream.type for stream in session.proposed_streams]) streams = [] for stream_type in proposed_stream_types: try: klass = JingleMediaStreamRegistry.get(stream_type) except Exception: continue streams.append(klass()) if not streams: session.reject(488) return None session.send_ring_indication() instance = cls() NotificationCenter().add_observer(instance, sender=session) # Get URI representing the SIP side contact_uri = session._invitation.remote_contact_header.uri if contact_uri.parameters.get('gr') is not None: sip_leg_uri = FrozenURI(contact_uri.user, contact_uri.host, contact_uri.parameters.get('gr')) else: tmp = session.remote_identity.uri sip_leg_uri = FrozenURI(tmp.user, tmp.host, generate_sylk_resource()) instance._sip_identity = Identity(sip_leg_uri) # Get URI representing the XMPP side request_uri = session.request_uri remote_resource = request_uri.parameters.get('gr', None) if remote_resource is not None: try: remote_resource = decode_resource(remote_resource) except (TypeError, UnicodeError): remote_resource = None xmpp_leg_uri = FrozenURI(request_uri.user, request_uri.host, remote_resource) instance._xmpp_identity = Identity(xmpp_leg_uri) instance.sip_session = session instance._start_outgoing_jingle_session(streams) return instance
def incoming_chat_session(self, session): # Check if this session is really an invitation to add a participant to a conference room / muc if session.remote_identity.uri.host in self.xmpp_manager.muc_domains and 'isfocus' in session._invitation.remote_contact_header.parameters: try: referred_by_uri = SIPURI.parse( session.transfer_info.referred_by) except SIPCoreError: log.info( "SIP multiparty session invitation %s failed: invalid Referred-By header" % session.call_id) session.reject(488) return muc_uri = FrozenURI(session.remote_identity.uri.user, session.remote_identity.uri.host) inviter_uri = FrozenURI(referred_by_uri.user, referred_by_uri.host) recipient_uri = FrozenURI(session.local_identity.uri.user, session.local_identity.uri.host) sender = Identity(muc_uri) recipient = Identity(recipient_uri) inviter = Identity(inviter_uri) try: handler = self.s2x_muc_add_participant_handlers[( muc_uri, recipient_uri)] except KeyError: handler = S2XMucInvitationHandler(session, sender, recipient, inviter) self.s2x_muc_add_participant_handlers[( muc_uri, recipient_uri)] = handler NotificationCenter().add_observer(self, sender=handler) handler.start() else: log.info( "SIP multiparty session invitation %s failed: there is another invitation in progress from %s to %s" % (session.call_id, format_uri(inviter_uri, 'sip'), format_uri(recipient_uri, 'xmpp'))) session.reject(480) return # Check domain if session.remote_identity.uri.host not in XMPPGatewayConfig.domains: log.info( 'Session rejected: From domain is not a local XMPP domain') session.reject(606, 'Not Acceptable') return # Get URI representing the SIP side contact_uri = session._invitation.remote_contact_header.uri if contact_uri.parameters.get('gr') is not None: sip_leg_uri = FrozenURI(contact_uri.user, contact_uri.host, contact_uri.parameters.get('gr')) else: tmp = session.remote_identity.uri sip_leg_uri = FrozenURI(tmp.user, tmp.host, generate_sylk_resource()) # Get URI representing the XMPP side request_uri = session.request_uri remote_resource = request_uri.parameters.get('gr', None) if remote_resource is not None: try: remote_resource = decode_resource(remote_resource) except (TypeError, UnicodeError): remote_resource = None xmpp_leg_uri = FrozenURI(request_uri.user, request_uri.host, remote_resource) try: handler = self.pending_sessions[(sip_leg_uri, xmpp_leg_uri)] except KeyError: pass else: # There is another pending session with same identifiers, can't accept this one log.info( 'Session rejected: other session with same identifiers in progress' ) session.reject(488) return sip_identity = Identity(sip_leg_uri, session.remote_identity.display_name) handler = ChatSessionHandler.new_from_sip_session( sip_identity, session) NotificationCenter().add_observer(self, sender=handler) key = (sip_leg_uri, xmpp_leg_uri) self.pending_sessions[key] = handler if xmpp_leg_uri.resource is not None: # Incoming session target contained GRUU, so create XMPPChatSession immediately xmpp_session = XMPPChatSession( local_identity=handler.sip_identity, remote_identity=Identity(xmpp_leg_uri)) handler.xmpp_identity = xmpp_session.remote_identity handler.xmpp_session = xmpp_session
def incoming_chat_session(self, session): # Check if this session is really an invitation to add a participant to a conference room / muc if ( session.remote_identity.uri.host in self.xmpp_manager.muc_domains and "isfocus" in session._invitation.remote_contact_header.parameters ): try: referred_by_uri = SIPURI.parse(session.transfer_info.referred_by) except SIPCoreError: log.msg("SIP multiparty session invitation %s failed: invalid Referred-By header" % session.call_id) session.reject(488) return muc_uri = FrozenURI(session.remote_identity.uri.user, session.remote_identity.uri.host) inviter_uri = FrozenURI(referred_by_uri.user, referred_by_uri.host) recipient_uri = FrozenURI(session.local_identity.uri.user, session.local_identity.uri.host) sender = Identity(muc_uri) recipient = Identity(recipient_uri) inviter = Identity(inviter_uri) try: handler = self.s2x_muc_add_participant_handlers[(muc_uri, recipient_uri)] except KeyError: handler = S2XMucInvitationHandler(session, sender, recipient, inviter) self.s2x_muc_add_participant_handlers[(muc_uri, recipient_uri)] = handler NotificationCenter().add_observer(self, sender=handler) handler.start() else: log.msg( "SIP multiparty session invitation %s failed: there is another invitation in progress from %s to %s" % (session.call_id, format_uri(inviter_uri, "sip"), format_uri(recipient_uri, "xmpp")) ) session.reject(480) return # Check domain if session.remote_identity.uri.host not in XMPPGatewayConfig.domains: log.msg("Session rejected: From domain is not a local XMPP domain") session.reject(606, "Not Acceptable") return # Get URI representing the SIP side contact_uri = session._invitation.remote_contact_header.uri if contact_uri.parameters.get("gr") is not None: sip_leg_uri = FrozenURI(contact_uri.user, contact_uri.host, contact_uri.parameters.get("gr")) else: tmp = session.remote_identity.uri sip_leg_uri = FrozenURI(tmp.user, tmp.host, generate_sylk_resource()) # Get URI representing the XMPP side request_uri = session.request_uri remote_resource = request_uri.parameters.get("gr", None) if remote_resource is not None: try: remote_resource = decode_resource(remote_resource) except (TypeError, UnicodeError): remote_resource = None xmpp_leg_uri = FrozenURI(request_uri.user, request_uri.host, remote_resource) try: handler = self.pending_sessions[(sip_leg_uri, xmpp_leg_uri)] except KeyError: pass else: # There is another pending session with same identifiers, can't accept this one log.msg("Session rejected: other session with same identifiers in progress") session.reject(488) return sip_identity = Identity(sip_leg_uri, session.remote_identity.display_name) handler = ChatSessionHandler.new_from_sip_session(sip_identity, session) NotificationCenter().add_observer(self, sender=handler) key = (sip_leg_uri, xmpp_leg_uri) self.pending_sessions[key] = handler if xmpp_leg_uri.resource is not None: # Incoming session target contained GRUU, so create XMPPChatSession immediately xmpp_session = XMPPChatSession(local_identity=handler.sip_identity, remote_identity=Identity(xmpp_leg_uri)) handler.xmpp_identity = xmpp_session.remote_identity handler.xmpp_session = xmpp_session