libervia-backend: sat/memory/encryption.py annotate

annotate sat/memory/encryption.py @ 3479:be6d91572633

date update

author	Goffi <goffi@goffi.org>
date	Fri, 19 Mar 2021 15:45:14 +0100
parents	c161ff21ca7c
children	8289ac1b34f4

rev	line source
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	1 #!/usr/bin/env python3
3137 559a625a236b fixed shebangs Goffi <goffi@goffi.org> parents: 3136 diff changeset	2
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	3
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT: a jabber client
3479 be6d91572633 date update Goffi <goffi@goffi.org> parents: 3235 diff changeset	5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	6
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	11
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	16
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	19
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	20 import copy
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	21 from functools import partial
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	22 from collections import namedtuple
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	23 from twisted.words.protocols.jabber import jid
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	24 from twisted.internet import defer
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	25 from twisted.python import failure
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	26 from sat.core.i18n import D_, _
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	27 from sat.core.constants import Const as C
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	28 from sat.core import exceptions
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	29 from sat.core.log import getLogger
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	30 from sat.tools.common import data_format
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	31 from sat.tools import utils
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	32 from sat.memory import persistent
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	33
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	34
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	35 log = getLogger(__name__)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	36
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	37 EncryptionPlugin = namedtuple("EncryptionPlugin", ("instance",
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	38 "name",
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	39 "namespace",
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	40 "priority",
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	41 "directed"))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	42
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	43
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	44 class EncryptionHandler:
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	45 """Class to handle encryption sessions for a client"""
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	46 plugins = [] # plugin able to encrypt messages
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	47
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	48 def __init__(self, client):
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	49 self.client = client
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	50 self._sessions = {} # bare_jid ==> encryption_data
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	51 self._stored_session = persistent.PersistentDict(
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	52 "core:encryption", profile=client.profile)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	53
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	54 @property
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	55 def host(self):
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	56 return self.client.host_app
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	57
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	58 async def loadSessions(self):
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	59 """Load persistent sessions"""
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	60 await self._stored_session.load()
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	61 start_d_list = []
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	62 for entity_jid_s, namespace in self._stored_session.items():
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	63 entity = jid.JID(entity_jid_s)
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	64 start_d_list.append(defer.ensureDeferred(self.start(entity, namespace)))
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	65
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	66 if start_d_list:
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	67 result = await defer.DeferredList(start_d_list)
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	68 for idx, (success, err) in enumerate(result):
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	69 if not success:
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	70 entity_jid_s, namespace = list(self._stored_session.items())[idx]
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	71 log.warning(_(
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	72 "Could not restart {namespace!r} encryption with {entity}: {err}"
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	73 ).format(namespace=namespace, entity=entity_jid_s, err=err))
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	74 log.info(_("encryption sessions restored"))
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	75
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	76 @classmethod
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	77 def registerPlugin(cls, plg_instance, name, namespace, priority=0, directed=False):
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	78 """Register a plugin handling an encryption algorithm
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	79
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	80 @param plg_instance(object): instance of the plugin
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	81 it must have the following methods:
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	82 - getTrustUI(entity): return a XMLUI for trust management
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	83 entity(jid.JID): entity to manage
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	84 The returned XMLUI must be a form
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	85 if may have the following methods:
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	86 - startEncryption(entity): start encrypted session
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	87 entity(jid.JID): entity to start encrypted session with
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	88 - stopEncryption(entity): start encrypted session
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	89 entity(jid.JID): entity to stop encrypted session with
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	90 if they don't exists, those 2 methods will be ignored.
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	91
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	92 @param name(unicode): human readable name of the encryption algorithm
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	93 @param namespace(unicode): namespace of the encryption algorithm
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	94 @param priority(int): priority of this plugin to encrypt an message when not
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	95 selected manually
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	96 @param directed(bool): True if this plugin is directed (if it works with one
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	97 device only at a time)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	98 """
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	99 existing_ns = set()
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	100 existing_names = set()
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	101 for p in cls.plugins:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	102 existing_ns.add(p.namespace.lower())
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	103 existing_names.add(p.name.lower())
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	104 if namespace.lower() in existing_ns:
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	105 raise exceptions.ConflictError("A plugin with this namespace already exists!")
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	106 if name.lower() in existing_names:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	107 raise exceptions.ConflictError("A plugin with this name already exists!")
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	108 plugin = EncryptionPlugin(
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	109 instance=plg_instance,
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	110 name=name,
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	111 namespace=namespace,
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	112 priority=priority,
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	113 directed=directed)
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	114 cls.plugins.append(plugin)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	115 cls.plugins.sort(key=lambda p: p.priority)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	116 log.info(_("Encryption plugin registered: {name}").format(name=name))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	117
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	118 @classmethod
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	119 def getPlugins(cls):
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	120 return cls.plugins
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	121
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	122 @classmethod
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	123 def getPlugin(cls, namespace):
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	124 try:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	125 return next(p for p in cls.plugins if p.namespace == namespace)
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	126 except StopIteration:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	127 raise exceptions.NotFound(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	128 "Can't find requested encryption plugin: {namespace}").format(
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	129 namespace=namespace))
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	130
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	131 @classmethod
2749 4b8271399f67 core (memory/encryption): added getNamespaces method to retrieve all plugins namespaces Goffi <goffi@goffi.org> parents: 2743 diff changeset	132 def getNamespaces(cls):
4b8271399f67 core (memory/encryption): added getNamespaces method to retrieve all plugins namespaces Goffi <goffi@goffi.org> parents: 2743 diff changeset	133 """Get available plugin namespaces"""
4b8271399f67 core (memory/encryption): added getNamespaces method to retrieve all plugins namespaces Goffi <goffi@goffi.org> parents: 2743 diff changeset	134 return {p.namespace for p in cls.getPlugins()}
4b8271399f67 core (memory/encryption): added getNamespaces method to retrieve all plugins namespaces Goffi <goffi@goffi.org> parents: 2743 diff changeset	135
4b8271399f67 core (memory/encryption): added getNamespaces method to retrieve all plugins namespaces Goffi <goffi@goffi.org> parents: 2743 diff changeset	136 @classmethod
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	137 def getNSFromName(cls, name):
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	138 """Retrieve plugin namespace from its name
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	139
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	140 @param name(unicode): name of the plugin (case insensitive)
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	141 @return (unicode): namespace of the plugin
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	142 @raise exceptions.NotFound: there is not encryption plugin of this name
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	143 """
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	144 for p in cls.plugins:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	145 if p.name.lower() == name.lower():
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	146 return p.namespace
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	147 raise exceptions.NotFound(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	148 "Can't find a plugin with the name \"{name}\".".format(
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	149 name=name)))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	150
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	151 def getBridgeData(self, session):
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	152 """Retrieve session data serialized for bridge.
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	153
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	154 @param session(dict): encryption session
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	155 @return (unicode): serialized data for bridge
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	156 """
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	157 if session is None:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	158 return ''
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	159 plugin = session['plugin']
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	160 bridge_data = {'name': plugin.name,
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	161 'namespace': plugin.namespace}
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	162 if 'directed_devices' in session:
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	163 bridge_data['directed_devices'] = session['directed_devices']
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	164
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	165 return data_format.serialise(bridge_data)
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	166
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	167 async def _startEncryption(self, plugin, entity):
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	168 """Start encryption with a plugin
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	169
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	170 This method must be called just before adding a plugin session.
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	171 StartEncryptionn method of plugin will be called if it exists.
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	172 """
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	173 if not plugin.directed:
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	174 await self._stored_session.aset(entity.userhost(), plugin.namespace)
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	175 try:
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	176 start_encryption = plugin.instance.startEncryption
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	177 except AttributeError:
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	178 log.debug(f"No startEncryption method found for {plugin.namespace}")
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	179 else:
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	180 # we copy entity to avoid having the resource changed by stop_encryption
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	181 await utils.asDeferred(start_encryption, self.client, copy.copy(entity))
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	182
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	183 async def _stopEncryption(self, plugin, entity):
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	184 """Stop encryption with a plugin
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	185
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	186 This method must be called just before removing a plugin session.
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	187 StopEncryptionn method of plugin will be called if it exists.
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	188 """
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	189 try:
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	190 await self._stored_session.adel(entity.userhost())
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	191 except KeyError:
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	192 pass
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	193 try:
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	194 stop_encryption = plugin.instance.stopEncryption
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	195 except AttributeError:
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	196 log.debug(f"No stopEncryption method found for {plugin.namespace}")
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	197 else:
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	198 # we copy entity to avoid having the resource changed by stop_encryption
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	199 return utils.asDeferred(stop_encryption, self.client, copy.copy(entity))
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	200
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	201 async def start(self, entity, namespace=None, replace=False):
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	202 """Start an encryption session with an entity
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	203
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	204 @param entity(jid.JID): entity to start an encryption session with
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	205 must be bare jid is the algorithm encrypt for all devices
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	206 @param namespace(unicode, None): namespace of the encryption algorithm
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	207 to use.
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	208 None to select automatically an algorithm
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	209 @param replace(bool): if True and an encrypted session already exists,
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	210 it will be replaced by the new one
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	211 """
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	212 if not self.plugins:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	213 raise exceptions.NotFound(_("No encryption plugin is registered, "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	214 "an encryption session can't be started"))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	215
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	216 if namespace is None:
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	217 plugin = self.plugins[0]
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	218 else:
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	219 plugin = self.getPlugin(namespace)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	220
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	221 bare_jid = entity.userhostJID()
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	222 if bare_jid in self._sessions:
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	223 # we have already an encryption session with this contact
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	224 former_plugin = self._sessions[bare_jid]["plugin"]
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	225 if former_plugin.namespace == namespace:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	226 log.info(_("Session with {bare_jid} is already encrypted with {name}. "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	227 "Nothing to do.").format(
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	228 bare_jid=bare_jid, name=former_plugin.name))
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	229 return
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	230
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	231 if replace:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	232 # there is a conflict, but replacement is requested
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	233 # so we stop previous encryption to use new one
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	234 del self._sessions[bare_jid]
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	235 await self._stopEncryption(former_plugin, entity)
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	236 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	237 msg = (_("Session with {bare_jid} is already encrypted with {name}. "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	238 "Please stop encryption session before changing algorithm.")
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	239 .format(bare_jid=bare_jid, name=plugin.name))
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	240 log.warning(msg)
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	241 raise exceptions.ConflictError(msg)
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	242
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	243 data = {"plugin": plugin}
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	244 if plugin.directed:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	245 if not entity.resource:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	246 entity.resource = self.host.memory.getMainResource(self.client, entity)
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	247 if not entity.resource:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	248 raise exceptions.NotFound(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	249 _("No resource found for {destinee}, can't encrypt with {name}")
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	250 .format(destinee=entity.full(), name=plugin.name))
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	251 log.info(_("No resource specified to encrypt with {name}, using "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	252 "{destinee}.").format(destinee=entity.full(),
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	253 name=plugin.name))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	254 # indicate that we encrypt only for some devices
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	255 directed_devices = data['directed_devices'] = [entity.resource]
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	256 elif entity.resource:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	257 raise ValueError(_("{name} encryption must be used with bare jids."))
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	258
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	259 await self._startEncryption(plugin, entity)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	260 self._sessions[entity.userhostJID()] = data
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	261 log.info(_("Encryption session has been set for {entity_jid} with "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	262 "{encryption_name}").format(
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	263 entity_jid=entity.full(), encryption_name=plugin.name))
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	264 self.host.bridge.messageEncryptionStarted(
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	265 entity.full(),
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	266 self.getBridgeData(data),
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	267 self.client.profile)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	268 msg = D_("Encryption session started: your messages with {destinee} are "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	269 "now end to end encrypted using {name} algorithm.").format(
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	270 destinee=entity.full(), name=plugin.name)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	271 directed_devices = data.get('directed_devices')
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	272 if directed_devices:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	273 msg += "\n" + D_("Message are encrypted only for {nb_devices} device(s): "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	274 "{devices_list}.").format(
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	275 nb_devices=len(directed_devices),
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	276 devices_list = ', '.join(directed_devices))
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	277
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	278 self.client.feedback(bare_jid, msg)
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	279
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	280 async def stop(self, entity, namespace=None):
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	281 """Stop an encryption session with an entity
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	282
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	283 @param entity(jid.JID): entity with who the encryption session must be stopped
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	284 must be bare jid if the algorithm encrypt for all devices
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	285 @param namespace(unicode): namespace of the session to stop
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	286 when specified, used to check that we stop the right encryption session
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	287 """
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	288 session = self.getSession(entity.userhostJID())
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	289 if not session:
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	290 raise failure.Failure(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	291 exceptions.NotFound(_("There is no encryption session with this "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	292 "entity.")))
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	293 plugin = session['plugin']
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	294 if namespace is not None and plugin.namespace != namespace:
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	295 raise exceptions.InternalError(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	296 "The encryption session is not run with the expected plugin: encrypted "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	297 "with {current_name} and was expecting {expected_name}").format(
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	298 current_name=session['plugin'].namespace,
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	299 expected_name=namespace))
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	300 if entity.resource:
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	301 try:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	302 directed_devices = session['directed_devices']
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	303 except KeyError:
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	304 raise exceptions.NotFound(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	305 "There is a session for the whole entity (i.e. all devices of the "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	306 "entity), not a directed one. Please use bare jid if you want to "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	307 "stop the whole encryption with this entity."))
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	308
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	309 try:
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	310 directed_devices.remove(entity.resource)
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	311 except ValueError:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	312 raise exceptions.NotFound(_("There is no directed session with this "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	313 "entity."))
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	314 else:
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	315 if not directed_devices:
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	316 # if we have no more directed device sessions,
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	317 # we stop the whole session
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	318 # see comment below for deleting session before stopping encryption
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	319 del self._sessions[entity.userhostJID()]
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	320 await self._stopEncryption(plugin, entity)
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	321 else:
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	322 # plugin's stopEncryption may call stop again (that's the case with OTR)
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	323 # so we need to remove plugin from session before calling self._stopEncryption
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	324 del self._sessions[entity.userhostJID()]
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	325 await self._stopEncryption(plugin, entity)
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	326
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	327 log.info(_("encryption session stopped with entity {entity}").format(
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	328 entity=entity.full()))
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	329 self.host.bridge.messageEncryptionStopped(
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	330 entity.full(),
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	331 {'name': plugin.name,
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	332 'namespace': plugin.namespace,
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	333 },
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	334 self.client.profile)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	335 msg = D_("Encryption session finished: your messages with {destinee} are "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	336 "NOT end to end encrypted anymore.\nYour server administrators or "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	337 "{destinee} server administrators will be able to read them.").format(
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	338 destinee=entity.full())
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	339
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	340 self.client.feedback(entity, msg)
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	341
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	342 def getSession(self, entity):
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	343 """Get encryption session for this contact
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	344
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	345 @param entity(jid.JID): get the session for this entity
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	346 must be a bare jid
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	347 @return (dict, None): encryption session data
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	348 None if there is not encryption for this session with this jid
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	349 """
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	350 if entity.resource:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	351 raise ValueError("Full jid given when expecting bare jid")
2651 ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	352 return self._sessions.get(entity)
ebcff5423465 core (memory/encryption): start improvments, stop and getSession: Goffi <goffi@goffi.org> parents: 2646 diff changeset	353
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	354 def getTrustUI(self, entity_jid, namespace=None):
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	355 """Retrieve encryption UI
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	356
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	357 @param entity_jid(jid.JID): get the UI for this entity
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	358 must be a bare jid
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	359 @param namespace(unicode): namespace of the algorithm to manage
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	360 if None use current algorithm
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	361 @return D(xmlui): XMLUI for trust management
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	362 the xmlui is a form
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	363 None if there is not encryption for this session with this jid
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	364 @raise exceptions.NotFound: no algorithm/plugin found
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	365 @raise NotImplementedError: plugin doesn't handle UI management
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	366 """
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	367 if namespace is None:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	368 session = self.getSession(entity_jid)
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	369 if not session:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	370 raise exceptions.NotFound(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	371 "No encryption session currently active for {entity_jid}"
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	372 .format(entity_jid=entity_jid.full()))
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	373 plugin = session['plugin']
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	374 else:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	375 plugin = self.getPlugin(namespace)
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	376 try:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	377 get_trust_ui = plugin.instance.getTrustUI
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	378 except AttributeError:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	379 raise NotImplementedError(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	380 "Encryption plugin doesn't handle trust management UI")
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	381 else:
3235 c161ff21ca7c core (memory/encryption): use utils.asDeferred for trust UI, so async coroutines can be used Goffi <goffi@goffi.org> parents: 3231 diff changeset	382 return utils.asDeferred(get_trust_ui, self.client, entity_jid)
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	383
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	384 ## Menus ##
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	385
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	386 @classmethod
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	387 def _importMenus(cls, host):
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	388 host.importMenu(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	389 (D_("Encryption"), D_("unencrypted (plain text)")),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	390 partial(cls._onMenuUnencrypted, host=host),
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	391 security_limit=0,
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	392 help_string=D_("End encrypted session"),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	393 type_=C.MENU_SINGLE,
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	394 )
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	395 for plg in cls.getPlugins():
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	396 host.importMenu(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	397 (D_("Encryption"), plg.name),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	398 partial(cls._onMenuName, host=host, plg=plg),
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	399 security_limit=0,
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	400 help_string=D_("Start {name} session").format(name=plg.name),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	401 type_=C.MENU_SINGLE,
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	402 )
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	403 host.importMenu(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	404 (D_("Encryption"), D_("⛨ {name} trust").format(name=plg.name)),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	405 partial(cls._onMenuTrust, host=host, plg=plg),
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	406 security_limit=0,
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	407 help_string=D_("Manage {name} trust").format(name=plg.name),
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	408 type_=C.MENU_SINGLE,
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	409 )
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	410
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	411 @classmethod
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	412 def _onMenuUnencrypted(cls, data, host, profile):
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	413 client = host.getClient(profile)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	414 peer_jid = jid.JID(data['jid']).userhostJID()
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	415 d = defer.ensureDeferred(client.encryption.stop(peer_jid))
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	416 d.addCallback(lambda __: {})
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	417 return d
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	418
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	419 @classmethod
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	420 def _onMenuName(cls, data, host, plg, profile):
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	421 client = host.getClient(profile)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	422 peer_jid = jid.JID(data['jid'])
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	423 if not plg.directed:
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	424 peer_jid = peer_jid.userhostJID()
3226 2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	425 d = defer.ensureDeferred(
2f406b762788 core (memory/encryption): encryption session are now restored on client connection Goffi <goffi@goffi.org> parents: 3217 diff changeset	426 client.encryption.start(peer_jid, plg.namespace, replace=True))
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	427 d.addCallback(lambda __: {})
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	428 return d
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	429
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	430 @classmethod
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	431 @defer.inlineCallbacks
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	432 def _onMenuTrust(cls, data, host, plg, profile):
c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	433 client = host.getClient(profile)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	434 peer_jid = jid.JID(data['jid']).userhostJID()
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	435 ui = yield client.encryption.getTrustUI(peer_jid, plg.namespace)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2810 diff changeset	436 defer.returnValue({'xmlui': ui.toXml()})
2810 c161a294fffd core: added a base menu allowing to set encryption session or show the trust management UI. Goffi <goffi@goffi.org> parents: 2771 diff changeset	437
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	438 ## Triggers ##
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	439
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	440 def setEncryptionFlag(self, mess_data):
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	441 """Set "encryption" key in mess_data if session with destinee is encrypted"""
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	442 to_jid = mess_data['to']
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	443 encryption = self._sessions.get(to_jid.userhostJID())
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	444 if encryption is not None:
3231 e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	445 plugin = encryption['plugin']
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	446 if mess_data["type"] == "groupchat" and plugin.directed:
3104 118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation: Goffi <goffi@goffi.org> parents: 3028 diff changeset	447 raise exceptions.InternalError(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation: Goffi <goffi@goffi.org> parents: 3028 diff changeset	448 f"encryption flag must not be set for groupchat if encryption algorithm "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation: Goffi <goffi@goffi.org> parents: 3028 diff changeset	449 f"({encryption['plugin'].name}) is directed!")
2646 712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature: Goffi <goffi@goffi.org> parents: diff changeset	450 mess_data[C.MESS_KEY_ENCRYPTION] = encryption
3231 e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	451 self.markAsEncrypted(mess_data, plugin.namespace)
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	452
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	453 ## Misc ##
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	454
3231 e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	455 def markAsEncrypted(self, mess_data, namespace):
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	456 """Helper method to mark a message as having been e2e encrypted.
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	457
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	458 This should be used in the post_treat workflow of messageReceived trigger of
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	459 the plugin
4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	460 @param mess_data(dict): message data as used in post treat workflow
3231 e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	461 @param namespace(str): namespace of the algorithm used for encrypting the message
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	462 """
3228 cc3fea71c365 core (memory/encryption): set encrypted flag also for outgoing messages and put it in extra: Goffi <goffi@goffi.org> parents: 3226 diff changeset	463 mess_data['extra'][C.MESS_KEY_ENCRYPTED] = True
3231 e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	464 from_bare_jid = mess_data['from'].userhostJID()
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	465 if from_bare_jid != self.client.jid.userhostJID():
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	466 session = self.getSession(from_bare_jid)
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	467 if session is None:
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	468 # if we are currently unencrypted, we start a session automatically
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	469 # to avoid sending unencrypted messages in an encrypted context
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	470 log.info(_(
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	471 "Starting e2e session with {peer_jid} as we receive encrypted "
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	472 "messages")
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	473 .format(peer_jid=from_bare_jid)
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	474 )
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	475 defer.ensureDeferred(self.start(from_bare_jid, namespace))
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message: Goffi <goffi@goffi.org> parents: 3228 diff changeset	476
2658 4e130cc9bfc0 core (memore/encryption): new methods and checks: Goffi <goffi@goffi.org> parents: 2651 diff changeset	477 return mess_data
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	478
3217 0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	479 def isEncryptionRequested(self, mess_data, namespace=None):
3180 826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	480 """Helper method to check if encryption is requested in an outgoind message
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	481
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	482 @param mess_data(dict): message data for outgoing message
3217 0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	483 @param namespace(str, None): if set, check if encryption is requested for the
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	484 algorithm specified
3180 826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	485 @return (bool): True if the encryption flag is present
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	486 """
3217 0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	487 encryption = mess_data.get(C.MESS_KEY_ENCRYPTION)
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	488 if encryption is None:
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	489 return False
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	490 # we get plugin even if namespace is None to be sure that the key exists
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	491 plugin = encryption['plugin']
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	492 if namespace is None:
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	493 return True
0469c53ed5dd core (memory/encryption): namespace can now be specified to test a specific algorithm in isEncryptionRequested Goffi <goffi@goffi.org> parents: 3180 diff changeset	494 return plugin.namespace == namespace
3180 826bca181226 core (memory/encryption): "isEncryptionRequested" helper method: Goffi <goffi@goffi.org> parents: 3171 diff changeset	495
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	496 def isEncrypted(self, mess_data):
3228 cc3fea71c365 core (memory/encryption): set encrypted flag also for outgoing messages and put it in extra: Goffi <goffi@goffi.org> parents: 3226 diff changeset	497 """Helper method to check if a message has the e2e encrypted flag
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	498
d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	499 @param mess_data(dict): message data
d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	500 @return (bool): True if the encrypted flag is present
d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	501 """
3228 cc3fea71c365 core (memory/encryption): set encrypted flag also for outgoing messages and put it in extra: Goffi <goffi@goffi.org> parents: 3226 diff changeset	502 return mess_data['extra'].get(C.MESS_KEY_ENCRYPTED, False)
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	503
d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	504
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	505 def markAsTrusted(self, mess_data):
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	506 """Helper methor to mark a message as sent from a trusted entity.
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	507
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	508 This should be used in the post_treat workflow of messageReceived trigger of
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	509 the plugin
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	510 @param mess_data(dict): message data as used in post treat workflow
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	511 """
2752 1fa615faec8b core (constants): added a constant for "encrypted" Goffi <goffi@goffi.org> parents: 2749 diff changeset	512 mess_data[C.MESS_KEY_TRUSTED] = True
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	513 return mess_data
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	514
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	515 def markAsUntrusted(self, mess_data):
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	516 """Helper methor to mark a message as sent from an untrusted entity.
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	517
3171 d073d82d9044 core (memory/encryption): new "isEncrypted" method to check if encrypted flag is set in message data Goffi <goffi@goffi.org> parents: 3137 diff changeset	518 This should be used in the post_treat workflow of messageReceived trigger of
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	519 the plugin
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	520 @param mess_data(dict): message data as used in post treat workflow
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	521 """
2743 da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption: Goffi <goffi@goffi.org> parents: 2733 diff changeset	522 mess_data['trusted'] = False
2733 e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods: Goffi <goffi@goffi.org> parents: 2658 diff changeset	523 return mess_data

Mercurial > libervia-backend

annotate sat/memory/encryption.py @ 3479:be6d91572633