62 lines
2.6 KiB
Python
62 lines
2.6 KiB
Python
# Copyright (C) 2019 Philipp Hörist <philipp AT hoerist.com>
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# Copyright (C) 2019 Pavel R. <pd at narayana dot im>
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# This file is part of Gajim OTR Plugin.
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#
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# Gajim OTR Plugin 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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# This software 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 can always obtain full license text at <http://www.gnu.org/licenses/>.
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# TODO: Fingerprints authentication GUI
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# TODO: SMP authentication GUI
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import logging
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from gajim.plugins import GajimPlugin
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from gajim.common import app
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from .otr import OTR
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class OTRPlugin(GajimPlugin):
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log = logging.getLogger('gajim.p.otr')
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def init(self):
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self.encryption_name = 'OTR'
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self.description = 'Provides Off-the-Record encryption'
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self.instances = {}
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self.get_instance = lambda acct: self.instances.get(acct) or self.instances.setdefault(acct,OTR(self,acct))
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self.events_handlers = {
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'before-change-show': (10, self._on_status_change),
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}
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self.gui_extension_points = {
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'encrypt' + self.encryption_name: (self._encrypt_message, None),
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'decrypt': (self._decrypt_message, None),
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}
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@staticmethod
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def activate_encryption(ctl):
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return True
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@staticmethod
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def encrypt_file(file, account, callback):
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callback(file)
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def _encrypt_message(self,con,event,callback):
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if not event.message or event.type_ != 'chat': return # drop empty and non-chat messages
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self.get_instance(event.conn.name).encrypt(event,callback)
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def _decrypt_message(self,con,event,callback):
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if (event.encrypted) or (event.name[0:2] == 'gc') or not (event.msgtxt or '').startswith('?OTR'): return # skip non-OTR messages..
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if (event.name[0:3] == 'mam'): return setattr(event,'msgtxt','') # skip MAM messages (we can not decrypt OTR out of session)..
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if (app.config.get_per('encryption','%s-%s'%(event.conn.name,event.jid),'encryption')!=self.encryption_name): return # skip all when encryption not set to OTR
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self.get_instance(event.conn.name).decrypt(event,callback)
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def _on_status_change(self,event):
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if event.show == 'offline':
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for ctx in self.get_instance(event.conn.name).ctxs.values(): ctx.state and ctx.disconnect()
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