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

471 lines
18 KiB
Python

# 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 socket
import getpass
import nbxmpp
from gi.repository import GLib
from gajim.common import app
from gajim.common import ged
from gajim.common import modules
from gajim.common.i18n import _
from gajim.common.connection import CommonConnection
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.disconnect()
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))
self._on_presence(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))
self._on_presence(jid)
def _on_remove_service(self, jid):
self.roster.delItem(jid)
# 'NOTIFY' (account, (jid, status, status message, resource, priority,
# keyID, timestamp))
self._on_presence(jid, show='offline', status='')
def _on_presence(self, jid, show=None, status=None):
if status is None:
status = self.roster.getMessage(jid)
if show is None:
show = self.roster.getStatus(jid)
ptype = 'unavailable' if show == 'offline' else None
event_attrs = {
'conn': self,
'keyID': None,
'prio': 0,
'need_add_in_roster': False,
'popup': False,
'ptype': ptype,
'jid': jid,
'resource': 'local',
'id_': None,
'fjid': jid,
'timestamp': 0,
'avatar_sha': None,
'user_nick': '',
'idle_time': None,
'show': show,
'new_show': show,
'old_show': 0,
'status': status,
'contact_list': [],
'contact': None,
}
event_ = NetworkEvent('presence-received', **event_attrs)
self._update_contact(event_)
app.nec.push_incoming_event(event_)
def _update_contact(self, event):
jid = event.jid
status_strings = ['offline', 'error', 'online', 'chat', 'away',
'xa', 'dnd', 'invisible']
event.new_show = status_strings.index(event.show)
contact = app.contacts.get_contact_strict(self.name, jid, '')
if contact is None:
contact = app.contacts.get_contact_strict(self.name, jid, 'local')
if contact.show in status_strings:
event.old_show = status_strings.index(contact.show)
# Update contact with presence data
contact.resource = 'local'
contact.show = event.show
contact.status = event.status
contact.priority = event.prio
attached_keys = app.config.get_per('accounts', self.name,
'attached_gpg_keys').split()
if jid in attached_keys:
contact.keyID = attached_keys[attached_keys.index(jid) + 1]
else:
# Do not override assigned key
contact.keyID = event.keyID
contact.idle_time = event.idle_time
event.contact = contact
# It's not an agent
if event.old_show == 0 and event.new_show > 1:
if not jid in app.newly_added[self.name]:
app.newly_added[self.name].append(jid)
if jid in app.to_be_removed[self.name]:
app.to_be_removed[self.name].remove(jid)
elif event.old_show > 1 and event.new_show == 0 and self.connected > 1:
if not jid in app.to_be_removed[self.name]:
app.to_be_removed[self.name].append(jid)
if jid in app.newly_added[self.name]:
app.newly_added[self.name].remove(jid)
if event.ptype == 'unavailable':
# TODO: This causes problems when another
# resource signs off!
self.stop_all_active_file_transfers(contact)
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))
self._on_presence(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, reconnect=True, immediately=True):
log.info('Start disconnecting zeroconf')
if reconnect:
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]
# random number to show we wait network manager to send
# us a reconenct
self.time_to_reconnect = 5
else:
self.time_to_reconnect = None
self.connected = 0
if self.connection:
self.connection.disconnect()
self.connection = None
# stop calling the timeout
self.call_resolve_timeout = False
app.nec.push_incoming_event(OurShowEvent(None, conn=self,
show='offline'))
def _on_disconnect(self):
self.connected = 0
app.nec.push_incoming_event(OurShowEvent(None, conn=self,
show='offline'))
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
obj.timestamp = time.time()
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