106 lines
3.4 KiB
Python
106 lines
3.4 KiB
Python
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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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# XEP-0184: Message Delivery Receipts
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import logging
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import nbxmpp
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from gajim.common import app
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from gajim.common.nec import NetworkIncomingEvent
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log = logging.getLogger('gajim.c.m.receipts')
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class Receipts:
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def __init__(self, con):
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self._con = con
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self._account = con.name
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self.handlers = []
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def delegate(self, event):
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request = event.stanza.getTag('request',
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namespace=nbxmpp.NS_RECEIPTS)
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if request is not None:
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self._answer_request(event)
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return
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received = event.stanza.getTag('received',
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namespace=nbxmpp.NS_RECEIPTS)
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if received is not None:
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self._receipt_received(event, received)
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raise nbxmpp.NodeProcessed
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def _answer_request(self, event):
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if not app.config.get_per('accounts', self._account,
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'answer_receipts'):
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return
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if event.mtype not in ('chat', 'groupchat'):
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return
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if event.sent:
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# Never answer messages that we sent from another device
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return
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from_ = event.stanza.getFrom()
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if self._con.get_own_jid().bareMatch(from_):
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# Dont answer receipts from our other resources
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return
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receipt_id = event.stanza.getID()
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contact = self._get_contact(event)
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if contact is None:
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return
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receipt = self._build_answer_receipt(from_, receipt_id)
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log.info('Answer %s', receipt_id)
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self._con.connection.send(receipt)
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def _get_contact(self, event):
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if event.mtype == 'chat':
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contact = app.contacts.get_contact(self._account, event.jid)
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if contact and contact.sub not in ('to', 'none'):
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return contact
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else:
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return app.contacts.get_gc_contact(self._account,
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event.jid,
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event.resource)
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def _build_answer_receipt(self, to, receipt_id):
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receipt = nbxmpp.Message(to=to, typ='chat')
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receipt.setTag('received',
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namespace='urn:xmpp:receipts',
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attrs={'id': receipt_id})
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return receipt
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def _receipt_received(self, event, received):
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receipt_id = received.getAttr('id')
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if receipt_id is None:
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log.warning('Receipt without ID: %s', event.stanza)
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return
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log.info('Received %s', receipt_id)
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app.nec.push_incoming_event(
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NetworkIncomingEvent('receipt-received',
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conn=self._con,
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receipt_id=receipt_id,
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jid=event.jid))
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def get_instance(*args, **kwargs):
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return Receipts(*args, **kwargs), 'Receipts'
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