gajim3/gajim/common/modules/blocking.py

140 lines
4.2 KiB
Python

# 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/>.
# XEP-0191: Blocking Command
import nbxmpp
from nbxmpp.protocol import JID
from nbxmpp.namespaces import Namespace
from nbxmpp.structs import StanzaHandler
from nbxmpp.modules.util import raise_if_error
from gajim.common import app
from gajim.common.nec import NetworkEvent
from gajim.common.modules.base import BaseModule
from gajim.common.modules.util import as_task
class Blocking(BaseModule):
_nbxmpp_extends = 'Blocking'
_nbxmpp_methods = [
'block',
'unblock',
'request_blocking_list',
]
def __init__(self, con):
BaseModule.__init__(self, con)
self.blocked = []
self.handlers = [
StanzaHandler(name='iq',
callback=self._blocking_push_received,
typ='set',
ns=Namespace.BLOCKING),
]
self.supported = False
def pass_disco(self, info):
if Namespace.BLOCKING not in info.features:
return
self.supported = True
app.nec.push_incoming_event(
NetworkEvent('feature-discovered',
account=self._account,
feature=Namespace.BLOCKING))
self._log.info('Discovered blocking: %s', info.jid)
@as_task
def get_blocking_list(self):
_task = yield
blocking_list = yield self._nbxmpp('Blocking').request_blocking_list()
raise_if_error(blocking_list)
self.blocked = list(blocking_list)
app.nec.push_incoming_event(NetworkEvent('blocking',
conn=self._con,
changed=self.blocked))
yield blocking_list
@as_task
def update_blocking_list(self, block, unblock):
_task = yield
if block:
result = yield self.block(block)
raise_if_error(result)
if unblock:
result = yield self.unblock(unblock)
raise_if_error(result)
yield True
def _blocking_push_received(self, _con, _stanza, properties):
if not properties.is_blocking:
return
changed_list = []
if properties.blocking.unblock_all:
self.blocked = []
for jid in self.blocked:
self._presence_probe(jid)
self._log.info('Unblock all Push')
for jid in properties.blocking.unblock:
changed_list.append(jid)
if jid not in self.blocked:
continue
self.blocked.remove(jid)
self._presence_probe(jid)
self._log.info('Unblock Push: %s', jid)
for jid in properties.blocking.block:
if jid in self.blocked:
continue
changed_list.append(jid)
self.blocked.append(jid)
self._set_contact_offline(str(jid))
self._log.info('Block Push: %s', jid)
app.nec.push_incoming_event(NetworkEvent('blocking',
conn=self._con,
changed=changed_list))
raise nbxmpp.NodeProcessed
def _set_contact_offline(self, jid: str) -> None:
contact_list = app.contacts.get_contacts(self._account, jid)
for contact in contact_list:
contact.show = 'offline'
def _presence_probe(self, jid: JID) -> None:
self._log.info('Presence probe: %s', jid)
# Send a presence Probe to get the current Status
probe = nbxmpp.Presence(jid, 'probe', frm=self._con.get_own_jid())
self._nbxmpp().send(probe)
def get_instance(*args, **kwargs):
return Blocking(*args, **kwargs), 'Blocking'