## common/zeroconf/connection_zeroconf.py ## ## Contributors for this file: ## - Yann Leboulanger ## - Nikos Kouremenos ## - Dimitur Kirov ## - Travis Shirk ## - Stefan Bethge ## ## Copyright (C) 2003-2014 Yann Leboulanger ## Copyright (C) 2003-2004 Vincent Hanquez ## Copyright (C) 2006 Nikos Kouremenos ## Dimitur Kirov ## Travis Shirk ## Norman Rasmussen ## Stefan Bethge ## ## This file is part of Gajim. ## ## Gajim is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published ## by the Free Software Foundation; version 3 only. ## ## Gajim 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 General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Gajim. If not, see . ## import os import socket import random random.seed() import nbxmpp import signal if os.name != 'nt': signal.signal(signal.SIGPIPE, signal.SIG_DFL) import getpass from gi.repository import GLib from gajim.common.connection import CommonConnection from gajim.common import app from gajim.common import ged from gajim.common.zeroconf import client_zeroconf from gajim.common.zeroconf import zeroconf from gajim.common.zeroconf.connection_handlers_zeroconf import * from gajim.common.connection_handlers_events import * log = logging.getLogger('gajim.c.connection_zeroconf') class ConnectionZeroconf(CommonConnection, ConnectionHandlersZeroconf): def __init__(self, name): ConnectionHandlersZeroconf.__init__(self) # system username self.username = None self.server_resource = '' # zeroconf has no resource, fake an empty one self.call_resolve_timeout = False # we don't need a password, but must be non-empty self.password = 'zeroconf' self.autoconnect = False self.httpupload = False CommonConnection.__init__(self, name) self.is_zeroconf = True app.ged.register_event_handler('stanza-message-outgoing', ged.OUT_CORE, self._nec_stanza_message_outgoing) def get_config_values_or_default(self): """ Get name, host, port from config, or create zeroconf account with default values """ self.host = socket.gethostname() app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'hostname', self.host) self.port = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'custom_port') self.autoconnect = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'autoconnect') self.sync_with_global_status = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'sync_with_global_status') self.first = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_first_name') self.last = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_last_name') self.jabber_id = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_jabber_id') self.email = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_email') if not self.username: self.username = getpass.getuser() app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'name', self.username) else: self.username = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'name') # END __init__ def check_jid(self, jid): return jid def get_own_jid(self): return nbxmpp.JID(self.username + '@' + self.host) def reconnect(self): # Do not try to reco while we are already trying self.time_to_reconnect = None log.debug('reconnect') self.disconnect() self.change_status(self.old_show, self.status) def disable_account(self): self.disconnect() def _on_resolve_timeout(self): if self.connected: self.connection.resolve_all() diffs = self.roster.getDiffs() for key in diffs: self.roster.setItem(key) app.nec.push_incoming_event(RosterInfoEvent(None, conn=self, jid=key, nickname=self.roster.getName(key), sub='both', ask='no', groups=self.roster.getGroups(key))) app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent( None, conn=self, fjid=key, show=self.roster.getStatus(key), status=self.roster.getMessage(key))) #XXX open chat windows don't get refreshed (full name), add that return self.call_resolve_timeout # callbacks called from zeroconf def _on_new_service(self, jid): self.roster.setItem(jid) app.nec.push_incoming_event(RosterInfoEvent(None, conn=self, jid=jid, nickname=self.roster.getName(jid), sub='both', ask='no', groups=self.roster.getGroups(jid))) app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent( None, conn=self, fjid=jid, show=self.roster.getStatus(jid), status=self.roster.getMessage(jid))) def _on_remove_service(self, jid): self.roster.delItem(jid) # 'NOTIFY' (account, (jid, status, status message, resource, priority, # keyID, timestamp, contact_nickname)) app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent( None, conn=self, fjid=jid, show='offline', status='')) def disconnectedReconnCB(self): """ Called when we are disconnected. Comes from network manager for example we don't try to reconnect, network manager will tell us when we can """ if app.account_is_connected(self.name): # we cannot change our status to offline or connecting # after we auth to server self.old_show = STATUS_LIST[self.connected] self.connected = 0 app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) # random number to show we wait network manager to send us a reconenct self.time_to_reconnect = 5 self.on_purpose = False def _on_name_conflictCB(self, alt_name): self.disconnect() app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) app.nec.push_incoming_event(ZeroconfNameConflictEvent(None, conn=self, alt_name=alt_name)) def _on_error(self, message): app.nec.push_incoming_event(InformationEvent( None, dialog_name='avahi-error', args=message)) def connect(self, show='online', msg=''): self.get_config_values_or_default() if not self.connection: self.connection = client_zeroconf.ClientZeroconf(self) if not zeroconf.test_zeroconf(): app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) self.status = 'offline' app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not connect to "%s"') % self.name, msg=_('Please check if Avahi or Bonjour is installed.'))) self.disconnect() return result = self.connection.connect(show, msg) if not result: app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) self.status = 'offline' if result is False: app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not start local service'), msg=_('Unable to bind to port %d.' % self.port))) else: # result is None app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not start local service'), msg=_('Please check if avahi-daemon is running.'))) self.disconnect() return else: self.connection.announce() self.roster = self.connection.getRoster() app.nec.push_incoming_event(RosterReceivedEvent(None, conn=self, xmpp_roster=self.roster)) # display contacts already detected and resolved for jid in self.roster.keys(): app.nec.push_incoming_event(RosterInfoEvent(None, conn=self, jid=jid, nickname=self.roster.getName(jid), sub='both', ask='no', groups=self.roster.getGroups(jid))) app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent( None, conn=self, fjid=jid, show=self.roster.getStatus(jid), status=self.roster.getMessage(jid))) self.connected = STATUS_LIST.index(show) # refresh all contacts data every five seconds self.call_resolve_timeout = True GLib.timeout_add_seconds(5, self._on_resolve_timeout) return True def disconnect(self, on_purpose=False): self.connected = 0 self.time_to_reconnect = None if self.connection: self.connection.disconnect() self.connection = None # stop calling the timeout self.call_resolve_timeout = False def reannounce(self): if self.connected: txt = {} txt['1st'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_first_name') txt['last'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_last_name') txt['jid'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_jabber_id') txt['email'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'zeroconf_email') self.connection.reannounce(txt) def update_details(self): if self.connection: port = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'custom_port') if port != self.port: self.port = port last_msg = self.connection.last_msg self.disconnect() if not self.connect(self.status, last_msg): return if self.status != 'invisible': self.connection.announce() else: self.reannounce() def connect_and_init(self, show, msg, sign_msg): # to check for errors from zeroconf check = True if not self.connect(show, msg): return if show != 'invisible': check = self.connection.announce() else: self.connected = STATUS_LIST.index(show) app.nec.push_incoming_event(SignedInEvent(None, conn=self)) # stay offline when zeroconf does something wrong if check: app.nec.push_incoming_event(OurShowEvent(None, conn=self, show=show)) else: # show notification that avahi or system bus is down self.connected = 0 app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) self.status = 'offline' app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not change status of account "%s"') % self.name, msg=_('Please check if avahi-daemon is running.'))) def _change_to_invisible(self, msg): if self.connection.remove_announce(): app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='invisible')) else: # show notification that avahi or system bus is down app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) self.status = 'offline' app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not change status of account "%s"') % self.name, msg=_('Please check if avahi-daemon is running.'))) def _change_from_invisible(self): self.connection.announce() def _update_status(self, show, msg, idle_time=None): if self.connection.set_show_msg(show, msg): app.nec.push_incoming_event(OurShowEvent(None, conn=self, show=show)) else: # show notification that avahi or system bus is down app.nec.push_incoming_event(OurShowEvent(None, conn=self, show='offline')) self.status = 'offline' app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self, title=_('Could not change status of account "%s"') % self.name, msg=_('Please check if avahi-daemon is running.'))) def _nec_stanza_message_outgoing(self, obj): if obj.conn.name != self.name: return def on_send_ok(stanza_id): app.nec.push_incoming_event(MessageSentEvent(None, conn=self, jid=obj.jid, message=obj.message, keyID=obj.keyID, automatic_message=obj.automatic_message, chatstate=None, stanza_id=stanza_id)) self.log_message(obj, obj.jid) def on_send_not_ok(reason): reason += ' ' + _('Your message could not be sent.') app.nec.push_incoming_event(MessageErrorEvent(None, conn=self, fjid=obj.jid, error_code=-1, error_msg=reason, msg=None, time_=None, session=obj.session)) # Dont propagate event return True ret = self.connection.send( obj.msg_iq, obj.message is not None, on_ok=on_send_ok, on_not_ok=on_send_not_ok) if ret == -1: # Contact Offline app.nec.push_incoming_event(MessageErrorEvent(None, conn=self, fjid=obj.jid, error_code=-1, error_msg=_( 'Contact is offline. Your message could not be sent.'), msg=None, time_=None, session=obj.session)) # Dont propagate event return True def send_stanza(self, stanza): # send a stanza untouched if not self.connection: return if not isinstance(stanza, nbxmpp.Node): stanza = nbxmpp.Protocol(node=stanza) self.connection.send(stanza) def _event_dispatcher(self, realm, event, data): CommonConnection._event_dispatcher(self, realm, event, data) if realm == '': if event == nbxmpp.transports_nb.DATA_ERROR: thread_id = data[1] frm = data[0] session = self.get_or_create_session(frm, thread_id) app.nec.push_incoming_event(MessageErrorEvent( None, conn=self, fjid=frm, error_code=-1, error_msg=_( 'Connection to host could not be established: Timeout while ' 'sending data.'), msg=None, time_=None, session=session)) # END ConnectionZeroconf