387 lines
16 KiB
Python
387 lines
16 KiB
Python
## common/zeroconf/connection_zeroconf.py
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##
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## Contributors for this file:
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## - Yann Leboulanger <asterix@lagaule.org>
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## - Nikos Kouremenos <nkour@jabber.org>
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## - Dimitur Kirov <dkirov@gmail.com>
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## - Travis Shirk <travis@pobox.com>
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## - Stefan Bethge <stefan@lanpartei.de>
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##
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## Copyright (C) 2003-2014 Yann Leboulanger <asterix@lagaule.org>
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## Copyright (C) 2003-2004 Vincent Hanquez <tab@snarc.org>
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## Copyright (C) 2006 Nikos Kouremenos <nkour@jabber.org>
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## Dimitur Kirov <dkirov@gmail.com>
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## Travis Shirk <travis@pobox.com>
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## Norman Rasmussen <norman@rasmussen.co.za>
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## Stefan Bethge <stefan@lanpartei.de>
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##
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## This file is part of Gajim.
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##
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## Gajim is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published
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## by the Free Software Foundation; version 3 only.
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##
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## Gajim is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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##
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import os
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import socket
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import random
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random.seed()
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import signal
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if os.name != 'nt':
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signal.signal(signal.SIGPIPE, signal.SIG_DFL)
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import getpass
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from gi.repository import GLib
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from gajim.common.connection import CommonConnection
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from gajim.common import app
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from gajim.common import ged
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from gajim.common.zeroconf import client_zeroconf
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from gajim.common.zeroconf import zeroconf
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from gajim.common.zeroconf.connection_handlers_zeroconf import *
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from gajim.common.connection_handlers_events import *
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class ConnectionZeroconf(CommonConnection, ConnectionHandlersZeroconf):
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def __init__(self, name):
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ConnectionHandlersZeroconf.__init__(self)
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# system username
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self.username = None
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self.server_resource = '' # zeroconf has no resource, fake an empty one
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self.call_resolve_timeout = False
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# we don't need a password, but must be non-empty
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self.password = 'zeroconf'
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self.autoconnect = False
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CommonConnection.__init__(self, name)
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self.is_zeroconf = True
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app.ged.register_event_handler('stanza-message-outgoing', ged.OUT_CORE,
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self._nec_stanza_message_outgoing)
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def get_config_values_or_default(self):
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"""
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Get name, host, port from config, or create zeroconf account with default
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values
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"""
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if not app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'name'):
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app.log.debug('Creating zeroconf account')
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app.config.add_per('accounts', app.ZEROCONF_ACC_NAME)
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
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'autoconnect', True)
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'no_log_for',
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'')
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'password',
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'zeroconf')
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
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'sync_with_global_status', True)
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
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'custom_port', 5298)
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
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'is_zeroconf', True)
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
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'use_ft_proxies', False)
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self.host = socket.gethostname()
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'hostname',
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self.host)
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self.port = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'custom_port')
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self.autoconnect = app.config.get_per('accounts',
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app.ZEROCONF_ACC_NAME, 'autoconnect')
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self.sync_with_global_status = app.config.get_per('accounts',
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app.ZEROCONF_ACC_NAME, 'sync_with_global_status')
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self.first = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_first_name')
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self.last = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_last_name')
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self.jabber_id = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_jabber_id')
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self.email = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_email')
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if not self.username:
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self.username = getpass.getuser()
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app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'name',
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self.username)
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else:
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self.username = app.config.get_per('accounts',
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app.ZEROCONF_ACC_NAME, 'name')
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# END __init__
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def check_jid(self, jid):
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return jid
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def reconnect(self):
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# Do not try to reco while we are already trying
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self.time_to_reconnect = None
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app.log.debug('reconnect')
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self.disconnect()
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self.change_status(self.old_show, self.status)
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def disable_account(self):
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self.disconnect()
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def _on_resolve_timeout(self):
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if self.connected:
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self.connection.resolve_all()
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diffs = self.roster.getDiffs()
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for key in diffs:
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self.roster.setItem(key)
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app.nec.push_incoming_event(RosterInfoEvent(None, conn=self,
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jid=key, nickname=self.roster.getName(key), sub='both',
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ask='no', groups=self.roster.getGroups(key)))
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app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent(
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None, conn=self, fjid=key, show=self.roster.getStatus(key),
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status=self.roster.getMessage(key)))
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#XXX open chat windows don't get refreshed (full name), add that
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return self.call_resolve_timeout
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# callbacks called from zeroconf
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def _on_new_service(self, jid):
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self.roster.setItem(jid)
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app.nec.push_incoming_event(RosterInfoEvent(None, conn=self,
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jid=jid, nickname=self.roster.getName(jid), sub='both',
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ask='no', groups=self.roster.getGroups(jid)))
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app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent(
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None, conn=self, fjid=jid, show=self.roster.getStatus(jid),
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status=self.roster.getMessage(jid)))
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def _on_remove_service(self, jid):
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self.roster.delItem(jid)
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# 'NOTIFY' (account, (jid, status, status message, resource, priority,
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# keyID, timestamp, contact_nickname))
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app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent(
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None, conn=self, fjid=jid, show='offline', status=''))
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def disconnectedReconnCB(self):
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"""
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Called when we are disconnected. Comes from network manager for example
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we don't try to reconnect, network manager will tell us when we can
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"""
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if app.account_is_connected(self.name):
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# we cannot change our status to offline or connecting
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# after we auth to server
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self.old_show = STATUS_LIST[self.connected]
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self.connected = 0
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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# random number to show we wait network manager to send us a reconenct
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self.time_to_reconnect = 5
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self.on_purpose = False
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def _on_name_conflictCB(self, alt_name):
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self.disconnect()
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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app.nec.push_incoming_event(ZeroconfNameConflictEvent(None, conn=self,
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alt_name=alt_name))
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def _on_error(self, message):
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app.nec.push_incoming_event(InformationEvent(None, conn=self,
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level='error', pri_txt=_('Avahi error'), sec_txt=_('%s\nLink-local '
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'messaging might not work properly.') % message))
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def connect(self, show='online', msg=''):
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self.get_config_values_or_default()
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if not self.connection:
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self.connection = client_zeroconf.ClientZeroconf(self)
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if not zeroconf.test_zeroconf():
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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self.status = 'offline'
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app.nec.push_incoming_event(ConnectionLostEvent(None,
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conn=self, title=_('Could not connect to "%s"') % self.name,
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msg=_('Please check if Avahi or Bonjour is installed.')))
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self.disconnect()
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return
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result = self.connection.connect(show, msg)
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if not result:
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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self.status = 'offline'
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if result is False:
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app.nec.push_incoming_event(ConnectionLostEvent(None,
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conn=self, title=_('Could not start local service'),
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msg=_('Unable to bind to port %d.' % self.port)))
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else: # result is None
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app.nec.push_incoming_event(ConnectionLostEvent(None,
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conn=self, title=_('Could not start local service'),
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msg=_('Please check if avahi-daemon is running.')))
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self.disconnect()
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return
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else:
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self.connection.announce()
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self.roster = self.connection.getRoster()
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app.nec.push_incoming_event(RosterReceivedEvent(None, conn=self,
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xmpp_roster=self.roster))
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# display contacts already detected and resolved
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for jid in self.roster.keys():
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app.nec.push_incoming_event(RosterInfoEvent(None, conn=self,
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jid=jid, nickname=self.roster.getName(jid), sub='both',
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ask='no', groups=self.roster.getGroups(jid)))
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app.nec.push_incoming_event(ZeroconfPresenceReceivedEvent(
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None, conn=self, fjid=jid, show=self.roster.getStatus(jid),
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status=self.roster.getMessage(jid)))
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self.connected = STATUS_LIST.index(show)
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# refresh all contacts data every five seconds
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self.call_resolve_timeout = True
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GLib.timeout_add_seconds(5, self._on_resolve_timeout)
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return True
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def disconnect(self, on_purpose=False):
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self.connected = 0
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self.time_to_reconnect = None
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if self.connection:
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self.connection.disconnect()
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self.connection = None
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# stop calling the timeout
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self.call_resolve_timeout = False
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def reannounce(self):
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if self.connected:
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txt = {}
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txt['1st'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_first_name')
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txt['last'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_last_name')
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txt['jid'] = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'zeroconf_jabber_id')
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txt['email'] = app.config.get_per('accounts',
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app.ZEROCONF_ACC_NAME, 'zeroconf_email')
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self.connection.reannounce(txt)
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def update_details(self):
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if self.connection:
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port = app.config.get_per('accounts', app.ZEROCONF_ACC_NAME,
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'custom_port')
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if port != self.port:
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self.port = port
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last_msg = self.connection.last_msg
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self.disconnect()
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if not self.connect(self.status, last_msg):
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return
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if self.status != 'invisible':
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self.connection.announce()
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else:
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self.reannounce()
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def connect_and_init(self, show, msg, sign_msg):
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# to check for errors from zeroconf
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check = True
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if not self.connect(show, msg):
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return
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if show != 'invisible':
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check = self.connection.announce()
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else:
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self.connected = STATUS_LIST.index(show)
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app.nec.push_incoming_event(SignedInEvent(None, conn=self))
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# stay offline when zeroconf does something wrong
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if check:
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show=show))
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else:
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# show notification that avahi or system bus is down
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self.connected = 0
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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self.status = 'offline'
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app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self,
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title=_('Could not change status of account "%s"') % self.name,
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msg=_('Please check if avahi-daemon is running.')))
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def _change_to_invisible(self, msg):
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if self.connection.remove_announce():
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='invisible'))
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else:
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# show notification that avahi or system bus is down
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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self.status = 'offline'
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app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self,
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title=_('Could not change status of account "%s"') % self.name,
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msg=_('Please check if avahi-daemon is running.')))
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def _change_from_invisible(self):
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self.connection.announce()
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def _update_status(self, show, msg):
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if self.connection.set_show_msg(show, msg):
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show=show))
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else:
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# show notification that avahi or system bus is down
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app.nec.push_incoming_event(OurShowEvent(None, conn=self,
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show='offline'))
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self.status = 'offline'
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app.nec.push_incoming_event(ConnectionLostEvent(None, conn=self,
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title=_('Could not change status of account "%s"') % self.name,
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msg=_('Please check if avahi-daemon is running.')))
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def _nec_stanza_message_outgoing(self, obj):
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if obj.conn.name != self.name:
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return
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def on_send_ok(stanza_id):
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app.nec.push_incoming_event(MessageSentEvent(None, conn=self,
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jid=obj.jid, message=obj.message, keyID=obj.keyID,
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automatic_message=obj.automatic_message, chatstate=None,
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stanza_id=stanza_id))
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if obj.callback:
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obj.callback(obj.msg_iq, *obj.callback_args)
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self.log_message(obj, obj.jid)
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def on_send_not_ok(reason):
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reason += ' ' + _('Your message could not be sent.')
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app.nec.push_incoming_event(MessageErrorEvent(None, conn=self,
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fjid=obj.jid, error_code=-1, error_msg=reason, msg=None,
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time_=None, session=obj.session))
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ret = self.connection.send(
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obj.msg_iq, obj.message is not None,
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on_ok=on_send_ok, on_not_ok=on_send_not_ok)
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if ret == -1:
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# Contact Offline
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app.nec.push_incoming_event(MessageErrorEvent(None, conn=self,
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fjid=obj.jid, error_code=-1, error_msg=_(
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'Contact is offline. Your message could not be sent.'),
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msg=None, time_=None, session=obj.session))
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def send_stanza(self, stanza):
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# send a stanza untouched
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if not self.connection:
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return
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if not isinstance(stanza, nbxmpp.Node):
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stanza = nbxmpp.Protocol(node=stanza)
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self.connection.send(stanza)
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def _event_dispatcher(self, realm, event, data):
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CommonConnection._event_dispatcher(self, realm, event, data)
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if realm == '':
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if event == nbxmpp.transports_nb.DATA_ERROR:
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thread_id = data[1]
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frm = data[0]
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session = self.get_or_create_session(frm, thread_id)
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app.nec.push_incoming_event(MessageErrorEvent(
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None, conn=self, fjid=frm, error_code=-1, error_msg=_(
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'Connection to host could not be established: Timeout while '
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'sending data.'), msg=None, time_=None, session=session))
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# END ConnectionZeroconf
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