gajim-plural/gajim/common/zeroconf/connection_zeroconf.py

398 lines
16 KiB
Python

## common/zeroconf/connection_zeroconf.py
##
## Contributors for this file:
## - Yann Leboulanger <asterix@lagaule.org>
## - Nikos Kouremenos <nkour@jabber.org>
## - Dimitur Kirov <dkirov@gmail.com>
## - Travis Shirk <travis@pobox.com>
## - Stefan Bethge <stefan@lanpartei.de>
##
## Copyright (C) 2003-2014 Yann Leboulanger <asterix@lagaule.org>
## Copyright (C) 2003-2004 Vincent Hanquez <tab@snarc.org>
## Copyright (C) 2006 Nikos Kouremenos <nkour@jabber.org>
## Dimitur Kirov <dkirov@gmail.com>
## Travis Shirk <travis@pobox.com>
## Norman Rasmussen <norman@rasmussen.co.za>
## Stefan Bethge <stefan@lanpartei.de>
##
## 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 <http://www.gnu.org/licenses/>.
##
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 import modules
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
# Register all modules
modules.register(self)
app.ged.register_event_handler('message-outgoing', ged.OUT_CORE,
self._nec_message_outgoing)
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, *args, **kwargs):
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:
if not self.connection.resolve_all():
self._on_disconnected()
return False
diffs = self.roster.getDiffs()
for key in diffs:
self.roster.setItem(key)
app.nec.push_incoming_event(NetworkEvent(
'roster-info', conn=self,jid=key,
nickname=self.roster.getName(key), sub='both',
ask='no', groups=self.roster.getGroups(key),
avatar_sha=None))
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(NetworkEvent(
'roster-info', conn=self, jid=jid,
nickname=self.roster.getName(jid), sub='both',
ask='no', groups=self.roster.getGroups(jid),
avatar_sha=None))
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/bonjour-daemon is running.')))
self.disconnect()
return
else:
self.connection.announce()
self.roster = self.connection.getRoster()
app.nec.push_incoming_event(NetworkEvent('roster-received', conn=self,
roster=self.roster.copy(), received_from_server=True))
# display contacts already detected and resolved
for jid in self.roster.keys():
app.nec.push_incoming_event(NetworkEvent(
'roster-info', conn=self, jid=jid,
nickname=self.roster.getName(jid), sub='both',
ask='no', groups=self.roster.getGroups(jid),
avatar_sha=None))
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_message_outgoing(self, obj):
if obj.account != self.name:
return
self._prepare_message(obj)
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, **vars(obj)))
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, zeroconf=True))
# 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
error_message = _(
'Contact is offline. Your message could not be sent.')
app.nec.push_incoming_event(MessageErrorEvent(
None, conn=self, fjid=obj.jid, error_code=-1,
error_msg=error_message, msg=None, time_=None,
session=obj.session, zeroconf=True))
# 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)
error_message = _(
'Connection to host could not be established: '
'Timeout while sending data.')
app.nec.push_incoming_event(MessageErrorEvent(
None, conn=self, fjid=frm, error_code=-1,
error_msg=error_message, msg=None, time_=None,
session=session, zeroconf=True))
# END ConnectionZeroconf