Mercurial > libervia-backend
view src/core/xmpp.py @ 1001:eb3601ff73bc
core: fixes constants.py
author | souliane <souliane@mailoo.org> |
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date | Sun, 27 Apr 2014 18:51:03 +0200 |
parents | 301b342c697a |
children | 6e975c6b0faf |
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#!/usr/bin/python # -*- coding: utf-8 -*- # SAT: a jabber client # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from sat.core.i18n import _ from sat.core.constants import Const as C from twisted.internet import task, defer from twisted.words.protocols.jabber import jid, xmlstream from wokkel import client, disco, xmppim, generic, compat, delay, iwokkel from sat.core.log import getLogger log = getLogger(__name__) from sat.core import exceptions from calendar import timegm from zope.interface import implements try: from twisted.words.protocols.xmlstream import XMPPHandler except ImportError: from wokkel.subprotocols import XMPPHandler class SatXMPPClient(client.XMPPClient): implements(iwokkel.IDisco) def __init__(self, host_app, profile, user_jid, password, host=None, port=5222): client.XMPPClient.__init__(self, user_jid, password, host, port) self.factory.clientConnectionLost = self.connectionLost self.__connected = False self.profile = profile self.host_app = host_app self.conn_deferred = defer.Deferred() self._waiting_conf = {} # callback called when a confirmation is received self._progress_cb_map = {} # callback called when a progress is requested (key = progress id) def getConnectionDeferred(self): """Return a deferred which fire when the client is connected""" return self.conn_deferred def _authd(self, xmlstream): if not self.host_app.trigger.point("XML Initialized", xmlstream, self.profile): return client.XMPPClient._authd(self, xmlstream) self.__connected = True log.info(_("********** [%s] CONNECTED **********") % self.profile) self.streamInitialized() self.host_app.bridge.connected(self.profile) # we send the signal to the clients def streamInitialized(self): """Called after _authd""" log.debug(_("XML stream is initialized")) self.keep_alife = task.LoopingCall(self.xmlstream.send, " ") # Needed to avoid disconnection (specially with openfire) self.keep_alife.start(180) self.disco = SatDiscoProtocol(self) self.disco.setHandlerParent(self) self.discoHandler = disco.DiscoHandler() self.discoHandler.setHandlerParent(self) disco_d = defer.succeed(None) if not self.host_app.trigger.point("Disco handled", disco_d, self.profile): return def finish_connection(dummy): self.roster.requestRoster() self.presence.available() self.conn_deferred.callback(None) disco_d.addCallback(finish_connection) def initializationFailed(self, reason): log.error(_("ERROR: XMPP connection failed for profile '%(profile)s': %(reason)s" % {'profile': self.profile, 'reason': reason})) self.host_app.bridge.connectionError("AUTH_ERROR", self.profile) try: client.XMPPClient.initializationFailed(self, reason) except: # we already send an error signal, no need to raise an exception pass self.conn_deferred.errback() def isConnected(self): return self.__connected def connectionLost(self, connector, unused_reason): self.__connected = False log.info(_("********** [%s] DISCONNECTED **********") % self.profile) try: self.keep_alife.stop() except AttributeError: log.debug(_("No keep_alife")) self.host_app.bridge.disconnected(self.profile) # we send the signal to the clients self.host_app.purgeClient(self.profile) # and we remove references to this client class SatMessageProtocol(xmppim.MessageProtocol): def __init__(self, host): xmppim.MessageProtocol.__init__(self) self.host = host def onMessage(self, message): log.debug(_(u"got message from: %s") % message["from"]) post_treat = defer.Deferred() # XXX: plugin can add their treatments to this deferred if not self.host.trigger.point("MessageReceived", message, post_treat, profile=self.parent.profile): return data = {"from": message['from'], "to": message['to'], "body": "", "extra": {}} for e in message.elements(): if e.name == "body": data['body'] = e.children[0] if e.children else "" break data['type'] = message['type'] if message.hasAttribute('type') else 'normal' def after_treatments(data): # set message body to empty string by default, and later # also forward message without body (chat state notification...) try: _delay = delay.Delay.fromElement(filter(lambda elm: elm.name == 'delay', message.elements())[0]) timestamp = timegm(_delay.stamp.utctimetuple()) data['extra']['archive'] = str(timestamp) if data['type'] != 'groupchat': # XXX: we don't save delayed messages in history for groupchats #TODO: add delayed messages to history if they aren't already in it self.host.memory.addToHistory(jid.JID(data['from']), jid.JID(data['to']), data['body'], data['type'], data['extra'], timestamp, profile=self.parent.profile) except IndexError: self.host.memory.addToHistory(jid.JID(data['from']), jid.JID(data['to']), data['body'], data['type'], data['extra'], profile=self.parent.profile) self.host.bridge.newMessage(data['from'], data['body'], data['type'], data['to'], data['extra'], profile=self.parent.profile) post_treat.addCallback(after_treatments) post_treat.callback(data) class SatRosterProtocol(xmppim.RosterClientProtocol): def __init__(self, host): xmppim.RosterClientProtocol.__init__(self) self.host = host self.got_roster = defer.Deferred() #XXX: the two following dicts keep a local copy of the roster self._groups = {} # map from groups to bare jids: key=group value=set of bare jids self._jids = {} # map from bare jids to RosterItem: key=jid value=RosterItem def rosterCb(self, roster): for raw_jid, item in roster.iteritems(): self.onRosterSet(item) def requestRoster(self): """ ask the server for Roster list """ log.debug("requestRoster") d = self.getRoster().addCallback(self.rosterCb) d.chainDeferred(self.got_roster) def removeItem(self, to_jid): """Remove a contact from roster list @param to_jid: a JID instance """ xmppim.RosterClientProtocol.removeItem(self, to_jid) #TODO: check IQ result #XXX: disabled (cf http://wokkel.ik.nu/ticket/56)) #def addItem(self, to): #"""Add a contact to roster list""" #xmppim.RosterClientProtocol.addItem(self, to) #TODO: check IQ result""" def updateItem(self, roster_item): """ Update an item of the contact list. @param roster_item: item to update """ iq = compat.IQ(self.xmlstream, 'set') iq.addElement((xmppim.NS_ROSTER, 'query')) item = iq.query.addElement('item') item['jid'] = roster_item.jid.userhost() if roster_item.name: item['name'] = roster_item.name for group in roster_item.groups: item.addElement('group', content=group) return iq.send() def getAttributes(self, item): """Return dictionary of attributes as used in bridge from a RosterItem @param item: RosterItem @return: dictionary of attributes""" item_attr = {'to': unicode(item.subscriptionTo), 'from': unicode(item.subscriptionFrom), 'ask': unicode(item.ask) } if item.name: item_attr['name'] = item.name return item_attr def onRosterSet(self, item): """Called when a new/update roster item is received""" #TODO: send a signal to frontends if not item.subscriptionTo and not item.subscriptionFrom and not item.ask: #XXX: current behaviour: we don't want contact in our roster list # if there is no presence subscription # may change in the future self.removeItem(item.jid) return log.info(_("new contact in roster list: %s") % item.jid.full()) if not item.subscriptionTo: log.warning(_("You are not subscribed to this contact !")) if not item.subscriptionFrom: log.warning(_("This contact is not subscribed to you !")) #self.host.memory.addContact(item.jid, item_attr, item.groups, self.parent.profile) bare_jid = item.jid.userhostJID() self._jids[bare_jid] = item for group in item.groups: self._groups.setdefault(group, set()).add(bare_jid) self.host.bridge.newContact(item.jid.full(), self.getAttributes(item), item.groups, self.parent.profile) def onRosterRemove(self, entity): """Called when a roster removal event is received""" print _("removing %s from roster list") % entity.full() bare_jid = entity.userhostJID() # we first remove item from local cache (self._groups and self._jids) try: item = self._jids.pop(bare_jid) except KeyError: log.warning("Received a roster remove event for an item not in cache") return for group in item.groups: try: jids_set = self._groups[group] jids_set.remove(bare_jid) if not jids_set: del self._groups[group] except KeyError: log.warning("there is not cache for the group [%(groups)s] of the removed roster item [%(jid)s]" % {"group": group, "jid": bare_jid}) # then we send the bridge signal self.host.bridge.contactDeleted(entity.userhost(), self.parent.profile) def getGroups(self): """Return a list of groups""" return self._groups.keys() def getItem(self, jid): """Return RosterItem for a given jid @param jid: jid of the contact @return: RosterItem or None if contact is not in cache""" return self._jids.get(jid.userhostJID(), None) def getBareJids(self): """Return all bare jids (as unicode) of the roster""" return self._jids.keys() def isJidInRoster(self, entity_jid): """Return True if jid is in roster""" return entity_jid.userhostJID() in self._jids def getItems(self): """Return all items of the roster""" return self._jids.values() def getJidsFromGroup(self, group): try: return self._groups[group] except KeyError: raise exceptions.UnknownGroupError class SatPresenceProtocol(xmppim.PresenceClientProtocol): def __init__(self, host): xmppim.PresenceClientProtocol.__init__(self) self.host = host def send(self, obj): if not self.host.trigger.point("Presence send", self.parent, obj): return super(SatPresenceProtocol, self).send(obj) def availableReceived(self, entity, show=None, statuses=None, priority=0): log.debug(_("presence update for [%(entity)s] (available, show=%(show)s statuses=%(statuses)s priority=%(priority)d)") % {'entity': entity, 'show': show, 'statuses': statuses, 'priority': priority}) if not statuses: statuses = {} if None in statuses: # we only want string keys statuses["default"] = statuses[None] del statuses[None] self.host.memory.setPresenceStatus(entity, show or "", int(priority), statuses, self.parent.profile) # now it's time to notify frontends self.host.bridge.presenceUpdate(entity.full(), show or "", int(priority), statuses, self.parent.profile) def unavailableReceived(self, entity, statuses=None): log.debug(_("presence update for [%(entity)s] (unavailable, statuses=%(statuses)s)") % {'entity': entity, 'statuses': statuses}) if not statuses: statuses = {} if None in statuses: # we only want string keys statuses["default"] = statuses[None] del statuses[None] self.host.memory.setPresenceStatus(entity, "unavailable", 0, statuses, self.parent.profile) # now it's time to notify frontends self.host.bridge.presenceUpdate(entity.full(), "unavailable", 0, statuses, self.parent.profile) def available(self, entity=None, show=None, statuses=None, priority=None): if priority is None: try: priority = int(self.host.memory.getParamA("Priority", "Connection", profile_key=self.parent.profile)) except ValueError: priority = 0 if statuses is None: statuses = {} # default for us is None for wokkel # so we must temporarily switch to wokkel's convention... if 'default' in statuses: statuses[None] = statuses['default'] del statuses['default'] presence_elt = xmppim.AvailablePresence(entity, show, statuses, priority) if not self.host.trigger.point("presence_available", presence_elt, self.parent): return self.send(presence_elt) # ... before switching back if None in statuses: statuses['default'] = statuses[None] del statuses[None] def subscribed(self, entity): xmppim.PresenceClientProtocol.subscribed(self, entity) self.host.memory.delWaitingSub(entity.userhost(), self.parent.profile) item = self.parent.roster.getItem(entity) if not item or not item.subscriptionTo: # we automatically subscribe to 'to' presence log.debug(_('sending automatic "from" subscription request')) self.subscribe(entity) def unsubscribed(self, entity): xmppim.PresenceClientProtocol.unsubscribed(self, entity) self.host.memory.delWaitingSub(entity.userhost(), self.parent.profile) def subscribedReceived(self, entity): log.debug(_("subscription approved for [%s]") % entity.userhost()) self.host.bridge.subscribe('subscribed', entity.userhost(), self.parent.profile) def unsubscribedReceived(self, entity): log.debug(_("unsubscription confirmed for [%s]") % entity.userhost()) self.host.bridge.subscribe('unsubscribed', entity.userhost(), self.parent.profile) def subscribeReceived(self, entity): log.debug(_("subscription request from [%s]") % entity.userhost()) item = self.parent.roster.getItem(entity) if item and item.subscriptionTo: # We automatically accept subscription if we are already subscribed to contact presence log.debug(_('sending automatic subscription acceptance')) self.subscribed(entity) else: self.host.memory.addWaitingSub('subscribe', entity.userhost(), self.parent.profile) self.host.bridge.subscribe('subscribe', entity.userhost(), self.parent.profile) def unsubscribeReceived(self, entity): log.debug(_("unsubscription asked for [%s]") % entity.userhost()) item = self.parent.roster.getItem(entity) if item and item.subscriptionFrom: # we automatically remove contact log.debug(_('automatic contact deletion')) self.host.delContact(entity, self.parent.profile) self.host.bridge.subscribe('unsubscribe', entity.userhost(), self.parent.profile) class SatDiscoProtocol(disco.DiscoClientProtocol): def __init__(self, host): disco.DiscoClientProtocol.__init__(self) class SatFallbackHandler(generic.FallbackHandler): def __init__(self, host): generic.FallbackHandler.__init__(self) def iqFallback(self, iq): if iq.handled is True: return log.debug(u"iqFallback: xml = [%s]" % (iq.toXml())) generic.FallbackHandler.iqFallback(self, iq) class RegisteringAuthenticator(xmlstream.ConnectAuthenticator): def __init__(self, host, jabber_host, user_login, user_pass, email, answer_id, profile): xmlstream.ConnectAuthenticator.__init__(self, jabber_host) self.host = host self.jabber_host = jabber_host self.user_login = user_login self.user_pass = user_pass self.user_email = email self.answer_id = answer_id self.profile = profile print _("Registration asked for"), user_login, user_pass, jabber_host def connectionMade(self): print "connectionMade" self.xmlstream.namespace = "jabber:client" self.xmlstream.sendHeader() iq = compat.IQ(self.xmlstream, 'set') iq["to"] = self.jabber_host query = iq.addElement(('jabber:iq:register', 'query')) _user = query.addElement('username') _user.addContent(self.user_login) _pass = query.addElement('password') _pass.addContent(self.user_pass) if self.user_email: _email = query.addElement('email') _email.addContent(self.user_email) iq.send(self.jabber_host).addCallbacks(self.registrationAnswer, self.registrationFailure) def registrationAnswer(self, answer): log.debug(_("registration answer: %s") % answer.toXml()) answer_type = "SUCCESS" answer_data = {"message": _("Registration successfull")} self.host.bridge.actionResult(answer_type, self.answer_id, answer_data, self.profile) self.xmlstream.sendFooter() def registrationFailure(self, failure): log.info(_("Registration failure: %s") % str(failure.value)) answer_type = "ERROR" answer_data = {} if failure.value.condition == 'conflict': answer_data['reason'] = 'conflict' answer_data = {"message": _("Username already exists, please choose an other one")} else: answer_data['reason'] = 'unknown' answer_data = {"message": _("Registration failed (%s)") % str(failure.value.condition)} self.host.bridge.actionResult(answer_type, self.answer_id, answer_data, self.profile) self.xmlstream.sendFooter() class SatVersionHandler(generic.VersionHandler): def getDiscoInfo(self, requestor, target, node): #XXX: We need to work around wokkel's behaviour (namespace not added if there is a # node) as it cause issues with XEP-0115 & PEP (XEP-0163): there is a node when server # ask for disco info, and not when we generate the key, so the hash is used with different # disco features, and when the server (seen on ejabberd) generate its own hash for security check # it reject our features (resulting in e.g. no notification on PEP) return generic.VersionHandler.getDiscoInfo(self, requestor, target, None) class SatIdentityHandler(XMPPHandler): """ Manage disco Identity of SàT. Currently, we use "client/pc/Salut à Toi", but as SàT is multi-frontends and can be used on mobile devices, as a bot, with a web frontend, etc, we should implement a way to dynamically update identities through the bridge """ #TODO: dynamic identity update (see docstring). Note that a XMPP entity can have several identities implements(iwokkel.IDisco) def getDiscoInfo(self, requestor, target, nodeIdentifier=''): return [disco.DiscoIdentity(u"client", u"pc", C.APP_NAME)] def getDiscoItems(self, requestor, target, nodeIdentifier=''): return []