Maxime “pep” Buquet
87df513331
The omemo library being GPL at the moment, requiring it unconditionally would also unconditionally make Slixmpp GPL. It's now a packaging issue.
73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
"""
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Slixmpp: The Slick XMPP Library
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Copyright (C) 2018 Maxime “pep” Buquet <pep@bouah.net>
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This file is part of Slixmpp.
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See the file LICENSE for copying permission.
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"""
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import logging
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from slixmpp.jid import JID
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from slixmpp.plugins.xep_0384.stanza import OMEMO_BASE_NS
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from slixmpp.plugins.xep_0384.stanza import OMEMO_DEVICES_NS, OMEMO_BUNDLE_NS
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from slixmpp.plugins.base import BasePlugin, register_plugin
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log = logging.getLogger(__name__)
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HAS_OMEMO = True
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try:
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import omemo
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except ImportError as e:
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HAS_OMEMO = False
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class XEP_0384(BasePlugin):
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"""
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XEP-0384: OMEMO
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"""
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name = 'xep_0384'
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description = 'XEP-0384 OMEMO'
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dependencies = {'xep_0163'}
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backend_loaded = HAS_OMEMO
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device_ids = {}
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def plugin_init(self):
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if not self.backend_loaded:
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log.debug("xep_0384 cannot be loaded as the backend omemo library "
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"is not available")
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return
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self.xmpp.add_event_handler('pubsub_publish', self.device_list)
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def plugin_end(self):
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if not self.backend_loaded:
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return
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self.xmpp.del_event_handler('pubsub_publish', self.device_list)
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self.xmpp['xep_0163'].remove_interest(OMEMO_DEVICES_NS)
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def session_bind(self, _jid):
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self.xmpp['xep_0163'].add_interest(OMEMO_DEVICES_NS)
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def device_list(self, msg):
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if msg['pubsub_event']['items']['node'] != OMEMO_DEVICES_NS:
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return
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jid = JID(msg['from']).bare
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items = msg['pubsub_event']['items']
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for item in items:
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device_ids = [d['id'] for d in item['devices']]
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if jid not in self.device_ids:
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self.device_ids[jid] = device_ids
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self.xmpp.event('omemo_device_ids', (jid, device_ids))
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# XXX: There should only be one item so this is fine, but slixmpp
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# loops forever otherwise. ???
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return
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register_plugin(XEP_0384)
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