diff --git a/sylk/applications/xmppgateway/xmpp/__init__.py b/sylk/applications/xmppgateway/xmpp/__init__.py index d964d01..f736775 100644 --- a/sylk/applications/xmppgateway/xmpp/__init__.py +++ b/sylk/applications/xmppgateway/xmpp/__init__.py @@ -1,344 +1,354 @@ # Copyright (C) 2012 AG Projects. See LICENSE for details # from application.notification import IObserver, NotificationCenter, NotificationData from application.python import Null from application.python.types import Singleton from sipsimple.util import ISOTimestamp from twisted.internet import reactor from twisted.words.protocols.jabber.error import StanzaError from twisted.words.protocols.jabber.jid import JID, internJID from wokkel import disco from wokkel.component import InternalComponent, Router as _Router from wokkel.server import ServerService, XMPPS2SServerFactory, DeferredS2SClientFactory from zope.interface import implements from sylk.applications.xmppgateway.configuration import XMPPGatewayConfig from sylk.applications.xmppgateway.datatypes import FrozenURI from sylk.applications.xmppgateway.logger import log from sylk.applications.xmppgateway.xmpp.logger import Logger as XMPPLogger from sylk.applications.xmppgateway.xmpp.protocols import DiscoProtocol, MessageProtocol, MUCServerProtocol, PresenceProtocol from sylk.applications.xmppgateway.xmpp.session import XMPPChatSessionManager, XMPPMucSessionManager from sylk.applications.xmppgateway.xmpp.subscription import XMPPSubscriptionManager xmpp_logger = XMPPLogger() # Utility classes class Router(_Router): def route(self, stanza): """ Route a stanza. (subclassed to avoid vebose logging) @param stanza: The stanza to be routed. @type stanza: L{domish.Element}. """ destination = internJID(stanza['to']) if destination.host in self.routes: self.routes[destination.host].send(stanza) else: self.routes[None].send(stanza) class XMPPS2SServerFactory(XMPPS2SServerFactory): def onConnectionMade(self, xs): super(self.__class__, self).onConnectionMade(xs) def logDataIn(buf): buf = buf.strip() if buf: xmpp_logger.msg("RECEIVED", ISOTimestamp.now(), buf) def logDataOut(buf): buf = buf.strip() if buf: xmpp_logger.msg("SENDING", ISOTimestamp.now(), buf) if XMPPGatewayConfig.trace_xmpp: xs.rawDataInFn = logDataIn xs.rawDataOutFn = logDataOut class DeferredS2SClientFactory(DeferredS2SClientFactory): def onConnectionMade(self, xs): super(self.__class__, self).onConnectionMade(xs) def logDataIn(buf): buf = buf.strip() if buf: xmpp_logger.msg("RECEIVED", ISOTimestamp.now(), buf) def logDataOut(buf): buf = buf.strip() if buf: xmpp_logger.msg("SENDING", ISOTimestamp.now(), buf) if XMPPGatewayConfig.trace_xmpp: xs.rawDataInFn = logDataIn xs.rawDataOutFn = logDataOut # Patch Wokkel's DeferredS2SClientFactory to use our logger import wokkel.server wokkel.server.DeferredS2SClientFactory = DeferredS2SClientFactory del wokkel.server # Manager class XMPPManager(object): __metaclass__ = Singleton implements(IObserver) def __init__(self): config = XMPPGatewayConfig self.stopped = False self.domains = set(config.domains) self.muc_domains = set(['%s.%s' % (config.muc_prefix, domain) for domain in self.domains]) router = Router() self._server_service = ServerService(router) self._server_service.domains = self.domains | self.muc_domains self._server_service.logTraffic = False # done manually self._s2s_factory = XMPPS2SServerFactory(self._server_service) self._s2s_factory.logTraffic = False # done manually + # Setup internal components + self._internal_component = InternalComponent(router) self._internal_component.domains = self.domains + self._muc_component = InternalComponent(router) + self._muc_component.domains = self.muc_domains - self._message_protocol = MessageProtocol() - self._message_protocol.setHandlerParent(self._internal_component) + # Setup protocols - self._presence_protocol = PresenceProtocol() - self._presence_protocol.setHandlerParent(self._internal_component) + self._protocols = set() - self._disco_protocol = DiscoProtocol() - self._disco_protocol.setHandlerParent(self._internal_component) + message_protocol = MessageProtocol() + message_protocol.setHandlerParent(self._internal_component) + self._protocols.add(message_protocol) - self._muc_component = InternalComponent(router) - self._muc_component.domains = self.muc_domains + presence_protocol = PresenceProtocol() + presence_protocol.setHandlerParent(self._internal_component) + self._protocols.add(presence_protocol) + + disco_protocol = DiscoProtocol() + disco_protocol.setHandlerParent(self._internal_component) + self._protocols.add(disco_protocol) - self._muc_protocol = MUCServerProtocol() - self._muc_protocol.setHandlerParent(self._muc_component) + muc_protocol = MUCServerProtocol() + muc_protocol.setHandlerParent(self._muc_component) + self._protocols.add(muc_protocol) - self._disco_muc_protocol = DiscoProtocol() - self._disco_muc_protocol.setHandlerParent(self._muc_component) + disco_muc_protocol = DiscoProtocol() + disco_muc_protocol.setHandlerParent(self._muc_component) + self._protocols.add(disco_muc_protocol) self._s2s_listener = None self.chat_session_manager = XMPPChatSessionManager() self.muc_session_manager = XMPPMucSessionManager() self.subscription_manager = XMPPSubscriptionManager() def start(self): self.stopped = False xmpp_logger.start() config = XMPPGatewayConfig self._s2s_listener = reactor.listenTCP(config.local_port, self._s2s_factory, interface=config.local_ip) listen_address = self._s2s_listener.getHost() log.msg("XMPP listener started on %s:%d" % (listen_address.host, listen_address.port)) self.chat_session_manager.start() self.muc_session_manager.start() self.subscription_manager.start() notification_center = NotificationCenter() notification_center.add_observer(self, sender=self._internal_component) notification_center.add_observer(self, sender=self._muc_component) self._internal_component.startService() self._muc_component.startService() def stop(self): self.stopped = True self._s2s_listener.stopListening() self.subscription_manager.stop() self.muc_session_manager.stop() self.chat_session_manager.stop() self._internal_component.stopService() self._muc_component.stopService() notification_center = NotificationCenter() notification_center.remove_observer(self, sender=self._internal_component) notification_center.remove_observer(self, sender=self._muc_component) xmpp_logger.stop() def send_stanza(self, stanza): if self.stopped: return self._internal_component.send(stanza.to_xml_element()) def send_muc_stanza(self, stanza): if self.stopped: return self._muc_component.send(stanza.to_xml_element()) def handle_notification(self, notification): handler = getattr(self, '_NH_%s' % notification.name, Null) handler(notification) # Process message stanzas def _NH_XMPPGotChatMessage(self, notification): message = notification.data.message try: session = self.chat_session_manager.sessions[(message.recipient.uri, message.sender.uri)] except KeyError: notification.center.post_notification('XMPPGotChatMessage', sender=self, data=notification.data) else: session.channel.send(message) def _NH_XMPPGotNormalMessage(self, notification): notification.center.post_notification('XMPPGotNormalMessage', sender=self, data=notification.data) def _NH_XMPPGotComposingIndication(self, notification): composing_indication = notification.data.composing_indication try: session = self.chat_session_manager.sessions[(composing_indication.recipient.uri, composing_indication.sender.uri)] except KeyError: notification.center.post_notification('XMPPGotComposingIndication', sender=self, data=notification.data) else: session.channel.send(composing_indication) def _NH_XMPPGotErrorMessage(self, notification): error_message = notification.data.error_message try: session = self.chat_session_manager.sessions[(error_message.recipient.uri, error_message.sender.uri)] except KeyError: notification.center.post_notification('XMPPGotErrorMessage', sender=self, data=notification.data) else: session.channel.send(error_message) def _NH_XMPPGotReceipt(self, notification): receipt = notification.data.receipt try: session = self.chat_session_manager.sessions[(receipt.recipient.uri, receipt.sender.uri)] except KeyError: pass else: session.channel.send(receipt) # Process presence stanzas def _NH_XMPPGotPresenceAvailability(self, notification): stanza = notification.data.presence_stanza if stanza.recipient.uri.resource is not None: # Skip directed presence return sender_uri = stanza.sender.uri sender_uri_bare = FrozenURI(sender_uri.user, sender_uri.host) try: subscription = self.subscription_manager.outgoing_subscriptions[(stanza.recipient.uri, sender_uri_bare)] except KeyError: # Ignore incoming presence stanzas if there is no subscription pass else: subscription.channel.send(stanza) def _NH_XMPPGotPresenceSubscriptionStatus(self, notification): stanza = notification.data.presence_stanza if stanza.sender.uri.resource is not None or stanza.recipient.uri.resource is not None: # Skip directed presence return if stanza.type in ('subscribed', 'unsubscribed'): try: subscription = self.subscription_manager.outgoing_subscriptions[(stanza.recipient.uri, stanza.sender.uri)] except KeyError: pass else: subscription.channel.send(stanza) elif stanza.type in ('subscribe', 'unsubscribe'): try: subscription = self.subscription_manager.incoming_subscriptions[(stanza.recipient.uri, stanza.sender.uri)] except KeyError: if stanza.type == 'subscribe': notification.center.post_notification('XMPPGotPresenceSubscriptionRequest', sender=self, data=NotificationData(stanza=stanza)) else: subscription.channel.send(stanza) def _NH_XMPPGotPresenceProbe(self, notification): stanza = notification.data.presence_stanza if stanza.recipient.uri.resource is not None: # Skip directed presence return sender_uri = stanza.sender.uri sender_uri_bare = FrozenURI(sender_uri.user, sender_uri.host) try: subscription = self.subscription_manager.incoming_subscriptions[(stanza.recipient.uri, sender_uri_bare)] except KeyError: notification.center.post_notification('XMPPGotPresenceSubscriptionRequest', sender=self, data=NotificationData(stanza=stanza)) else: subscription.channel.send(stanza) # Process muc stanzas def _NH_XMPPMucGotGroupChat(self, notification): message = notification.data.message muc_uri = FrozenURI(message.recipient.uri.user, message.recipient.uri.host) try: session = self.muc_session_manager.incoming[(muc_uri, message.sender.uri)] except KeyError: # Ignore groupchat messages if there was no session created pass else: session.channel.send(message) def _NH_XMPPMucGotPresenceAvailability(self, notification): stanza = notification.data.presence_stanza if not stanza.sender.uri.resource: return muc_uri = FrozenURI(stanza.recipient.uri.user, stanza.recipient.uri.host) try: session = self.muc_session_manager.incoming[(muc_uri, stanza.sender.uri)] except KeyError: if stanza.available: notification.center.post_notification('XMPPGotMucJoinRequest', sender=self, data=NotificationData(stanza=stanza)) else: notification.center.post_notification('XMPPGotMucLeaveRequest', sender=self, data=NotificationData(stanza=stanza)) else: session.channel.send(stanza) def _NH_XMPPMucGotInvitation(self, notification): invitation = notification.data.invitation data = NotificationData(sender=invitation.sender, recipient=invitation.recipient, participant=invitation.invited_user) notification.center.post_notification('XMPPGotMucAddParticipantRequest', sender=self, data=data) # Disco def _NH_XMPPGotDiscoInfoRequest(self, notification): d = notification.data.deferred target_uri = notification.data.target.uri if target_uri.host not in self.domains | self.muc_domains: d.errback(StanzaError('service-unavailable')) return elements = [] if target_uri.host in self.muc_domains: elements.append(disco.DiscoIdentity('conference', 'text', 'SylkServer Chat Service')) elements.append(disco.DiscoFeature('http://jabber.org/protocol/muc')) if target_uri.user: # We can't say much more here, because the actual conference may end up on a different server elements.append(disco.DiscoFeature('muc_temporary')) elements.append(disco.DiscoFeature('muc_unmoderated')) else: if not target_uri.user: elements.append(disco.DiscoIdentity('gateway', 'simple')) elements.append(disco.DiscoIdentity('server', 'im')) else: elements.append(disco.DiscoIdentity('account', 'registered')) elements.append(disco.DiscoFeature('http://sylkserver.com')) d.callback(elements) def _NH_XMPPGotDiscoItemsRequest(self, notification): d = notification.data.deferred target_uri = notification.data.target.uri items = [] if not target_uri.user and target_uri.host in self.domains: items.append(disco.DiscoItem(JID('%s.%s' % (XMPPGatewayConfig.muc_prefix, target_uri.host)), name='Multi-User Chat')) d.callback(items)