110 lines
3.4 KiB
Python
110 lines
3.4 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-0280: Message Carbons
|
|
|
|
import logging
|
|
|
|
import nbxmpp
|
|
|
|
from gajim.common import app
|
|
|
|
log = logging.getLogger('gajim.c.m.carbons')
|
|
|
|
|
|
class Carbons:
|
|
def __init__(self, con):
|
|
self._con = con
|
|
self._account = con.name
|
|
|
|
self.handlers = []
|
|
|
|
self.supported = False
|
|
|
|
def pass_disco(self, from_, identities, features, data, node):
|
|
if nbxmpp.NS_CARBONS not in features:
|
|
return
|
|
|
|
self.supported = True
|
|
log.info('Discovered carbons: %s', from_)
|
|
|
|
if app.config.get_per('accounts', self._account,
|
|
'enable_message_carbons'):
|
|
iq = nbxmpp.Iq('set')
|
|
iq.setTag('enable', namespace=nbxmpp.NS_CARBONS)
|
|
log.info('Activate')
|
|
self._con.connection.send(iq)
|
|
else:
|
|
log.warning('Carbons deactivated (user setting)')
|
|
|
|
|
|
def parse_carbon(con, stanza):
|
|
carbon = stanza.getTag(
|
|
'received', namespace=nbxmpp.NS_CARBONS, protocol=True)
|
|
if carbon is None:
|
|
carbon = stanza.getTag(
|
|
'sent', namespace=nbxmpp.NS_CARBONS, protocol=True)
|
|
if carbon is None:
|
|
return stanza, False, False
|
|
|
|
# Carbon must be from our bare jid
|
|
own_jid = con.get_own_jid()
|
|
if not stanza.getFrom().bareMatch(own_jid):
|
|
log.warning('Ignore message because from is invalid %s',
|
|
stanza.getFrom())
|
|
raise nbxmpp.NodeProcessed
|
|
|
|
forwarded = carbon.getTag('forwarded',
|
|
namespace=nbxmpp.NS_FORWARD,
|
|
protocol=True)
|
|
message = forwarded.getTag('message', protocol=True)
|
|
|
|
type_ = carbon.getName()
|
|
to = message.getTo()
|
|
frm = message.getFrom()
|
|
log.info('Received type: %s, from: %s', type_, frm)
|
|
|
|
if type_ == 'received':
|
|
sent = False
|
|
if message.getFrom().bareMatch(own_jid):
|
|
# Drop 'received' Carbons from ourself, we already
|
|
# got the message with the 'sent' Carbon or via the
|
|
# message itself
|
|
log.info('Drop "received"-Carbon from ourself: %s')
|
|
raise nbxmpp.NodeProcessed
|
|
if message.getTag('x', namespace=nbxmpp.NS_MUC_USER) is not None:
|
|
# A MUC broadcasts messages sent to us to all resources
|
|
# there is no need to process carbons for these messages
|
|
log.info('Drop MUC-PM "received"-Carbon')
|
|
raise nbxmpp.NodeProcessed
|
|
|
|
elif type_ == 'sent':
|
|
if frm is None:
|
|
frm = own_jid.getStripped()
|
|
message.setTo(frm)
|
|
if to is None:
|
|
to = own_jid.getStripped()
|
|
message.setFrom(to)
|
|
sent = True
|
|
|
|
else:
|
|
log.warning('Ignore invalid carbon: %s', stanza)
|
|
raise nbxmpp.NodeProcessed
|
|
|
|
return message, sent, True
|
|
|
|
|
|
def get_instance(*args, **kwargs):
|
|
return Carbons(*args, **kwargs), 'Carbons'
|