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annotate libervia/backend/memory/encryption.py @ 4335:430d5d99a740

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plugin XEP-0358: "Publishing Available Jingle Sessions" implementation: rel 453
author Goffi <goffi@goffi.org>
date Tue, 03 Dec 2024 00:13:07 +0100
parents 0d7bb4df2343
children
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 import copy
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21 from functools import partial
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22 from typing import Optional
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23 from twisted.words.protocols.jabber import jid
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24 from twisted.internet import defer
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25 from twisted.python import failure
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26 from libervia.backend.core.core_types import (
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27 EncryptionPlugin,
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28 EncryptionSession,
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29 MessageData,
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30 )
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31 from libervia.backend.core.i18n import D_, _
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32 from libervia.backend.core.constants import Const as C
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33 from libervia.backend.core import exceptions
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34 from libervia.backend.core.log import getLogger
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35 from libervia.backend.tools.common import data_format
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36 from libervia.backend.tools import utils
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37 from libervia.backend.memory import persistent
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38
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39
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40 log = getLogger(__name__)
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41
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42
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43 class EncryptionHandler:
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44 """Class to handle encryption sessions for a client"""
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45
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46 plugins = [] # plugin able to encrypt messages
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47
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48 def __init__(self, client):
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49 self.client = client
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50 self._sessions = {} # bare_jid ==> encryption_data
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51 self._stored_session = persistent.PersistentDict(
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52 "core:encryption", profile=client.profile
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53 )
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54
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55 @property
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56 def host(self):
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57 return self.client.host_app
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58
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59 async def load_sessions(self):
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60 """Load persistent sessions"""
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61 await self._stored_session.load()
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62 start_d_list = []
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63 for entity_jid_s, namespace in self._stored_session.items():
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64 entity = jid.JID(entity_jid_s)
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65 start_d_list.append(defer.ensureDeferred(self.start(entity, namespace)))
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66
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67 if start_d_list:
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68 result = await defer.DeferredList(start_d_list)
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69 for idx, (success, err) in enumerate(result):
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70 if not success:
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71 entity_jid_s, namespace = list(self._stored_session.items())[idx]
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72 log.warning(
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73 _(
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74 "Could not restart {namespace!r} encryption with {entity}: {err}"
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75 ).format(namespace=namespace, entity=entity_jid_s, err=err)
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76 )
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77 log.info(_("encryption sessions restored"))
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78
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79 @classmethod
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80 def register_plugin(cls, plg_instance, name, namespace, priority=0, directed=False):
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81 """Register a plugin handling an encryption algorithm
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82
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83 @param plg_instance(object): instance of the plugin
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84 it must have the following methods:
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85 - get_trust_ui(entity): return a XMLUI for trust management
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86 entity(jid.JID): entity to manage
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87 The returned XMLUI must be a form
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88 if may have the following methods:
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89 - start_encryption(entity): start encrypted session
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90 entity(jid.JID): entity to start encrypted session with
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91 - stop_encryption(entity): start encrypted session
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92 entity(jid.JID): entity to stop encrypted session with
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93 if they don't exists, those 2 methods will be ignored.
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94
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95 @param name(unicode): human readable name of the encryption algorithm
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96 @param namespace(unicode): namespace of the encryption algorithm
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97 @param priority(int): priority of this plugin to encrypt an message when not
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98 selected manually
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99 @param directed(bool): True if this plugin is directed (if it works with one
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100 device only at a time)
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101 """
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102 existing_ns = set()
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103 existing_names = set()
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104 for p in cls.plugins:
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105 existing_ns.add(p.namespace.lower())
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106 existing_names.add(p.name.lower())
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107 if namespace.lower() in existing_ns:
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108 raise exceptions.ConflictError("A plugin with this namespace already exists!")
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109 if name.lower() in existing_names:
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110 raise exceptions.ConflictError("A plugin with this name already exists!")
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111 plugin = EncryptionPlugin(
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112 instance=plg_instance,
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113 name=name,
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114 namespace=namespace,
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115 priority=priority,
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116 directed=directed,
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117 )
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118 cls.plugins.append(plugin)
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119 cls.plugins.sort(key=lambda p: p.priority)
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120 log.info(_("Encryption plugin registered: {name}").format(name=name))
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121
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122 @classmethod
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123 def getPlugins(cls):
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124 return cls.plugins
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125
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126 @classmethod
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127 def get_plugin(cls, namespace):
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128 try:
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129 return next(p for p in cls.plugins if p.namespace == namespace)
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130 except StopIteration:
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131 raise exceptions.NotFound(
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132 _("Can't find requested encryption plugin: {namespace}").format(
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133 namespace=namespace
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134 )
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135 )
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136
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137 @classmethod
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138 def get_namespaces(cls):
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139 """Get available plugin namespaces"""
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140 return {p.namespace for p in cls.getPlugins()}
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141
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142 @classmethod
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143 def get_ns_from_name(cls, name):
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144 """Retrieve plugin namespace from its name
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145
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146 @param name(unicode): name of the plugin (case insensitive)
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147 @return (unicode): namespace of the plugin
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148 @raise exceptions.NotFound: there is not encryption plugin of this name
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149 """
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150 for p in cls.plugins:
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151 if p.name.lower() == name.lower():
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152 return p.namespace
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153 raise exceptions.NotFound(
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154 _('Can\'t find a plugin with the name "{name}".'.format(name=name))
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155 )
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156
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157 def get_bridge_data(self, session):
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158 """Retrieve session data serialized for bridge.
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159
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160 @param session(dict): encryption session
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161 @return (unicode): serialized data for bridge
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162 """
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163 if session is None:
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164 return ""
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165 plugin = session["plugin"]
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166 bridge_data = {"name": plugin.name, "namespace": plugin.namespace}
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167 if "directed_devices" in session:
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168 bridge_data["directed_devices"] = session["directed_devices"]
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169
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170 return data_format.serialise(bridge_data)
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171
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172 async def _start_encryption(self, plugin, entity):
2743
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173 """Start encryption with a plugin
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174
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175 This method must be called just before adding a plugin session.
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176 StartEncryptionn method of plugin will be called if it exists.
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177 """
3226
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178 if not plugin.directed:
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179 await self._stored_session.aset(entity.userhost(), plugin.namespace)
2743
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180 try:
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181 start_encryption = plugin.instance.start_encryption
2743
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182 except AttributeError:
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diff changeset
183 log.debug(f"No start_encryption method found for {plugin.namespace}")
2743
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184 else:
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185 # we copy entity to avoid having the resource changed by stop_encryption
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186 await utils.as_deferred(start_encryption, self.client, copy.copy(entity))
2743
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187
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diff changeset
188 async def _stop_encryption(self, plugin, entity):
2743
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189 """Stop encryption with a plugin
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190
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191 This method must be called just before removing a plugin session.
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192 StopEncryptionn method of plugin will be called if it exists.
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193 """
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194 try:
3226
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diff changeset
195 await self._stored_session.adel(entity.userhost())
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diff changeset
196 except KeyError:
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diff changeset
197 pass
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diff changeset
198 try:
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diff changeset
199 stop_encryption = plugin.instance.stop_encryption
2743
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diff changeset
200 except AttributeError:
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diff changeset
201 log.debug(f"No stop_encryption method found for {plugin.namespace}")
2743
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diff changeset
202 else:
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203 # we copy entity to avoid having the resource changed by stop_encryption
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diff changeset
204 return utils.as_deferred(stop_encryption, self.client, copy.copy(entity))
2743
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parents: 2733
diff changeset
205
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diff changeset
206 async def start(self, entity, namespace=None, replace=False):
2658
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207 """Start an encryption session with an entity
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parents: 2651
diff changeset
208
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diff changeset
209 @param entity(jid.JID): entity to start an encryption session with
2646
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parents:
diff changeset
210 must be bare jid is the algorithm encrypt for all devices
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
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parents: 2658
diff changeset
211 @param namespace(unicode, None): namespace of the encryption algorithm
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diff changeset
212 to use.
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parents:
diff changeset
213 None to select automatically an algorithm
2658
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214 @param replace(bool): if True and an encrypted session already exists,
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parents: 2651
diff changeset
215 it will be replaced by the new one
2646
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parents:
diff changeset
216 """
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
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parents:
diff changeset
217 if not self.plugins:
4270
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218 raise exceptions.NotFound(
0d7bb4df2343 Reformatted code base using black.
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parents: 4071
diff changeset
219 _(
0d7bb4df2343 Reformatted code base using black.
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parents: 4071
diff changeset
220 "No encryption plugin is registered, "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
221 "an encryption session can't be started"
0d7bb4df2343 Reformatted code base using black.
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parents: 4071
diff changeset
222 )
0d7bb4df2343 Reformatted code base using black.
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parents: 4071
diff changeset
223 )
2646
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
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parents:
diff changeset
224
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 if namespace is None:
2658
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226 plugin = self.plugins[0]
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parents:
diff changeset
227 else:
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diff changeset
228 plugin = self.get_plugin(namespace)
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parents:
diff changeset
229
2651
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diff changeset
230 bare_jid = entity.userhostJID()
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parents: 2646
diff changeset
231 if bare_jid in self._sessions:
2658
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diff changeset
232 # we have already an encryption session with this contact
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2810
diff changeset
233 former_plugin = self._sessions[bare_jid]["plugin"]
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
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diff changeset
234 if former_plugin.namespace == namespace:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
235 log.info(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
236 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
237 "Session with {bare_jid} is already encrypted with {name}. "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
238 "Nothing to do."
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
239 ).format(bare_jid=bare_jid, name=former_plugin.name)
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parents: 4071
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240 )
2651
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diff changeset
241 return
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
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diff changeset
242
2658
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diff changeset
243 if replace:
4e130cc9bfc0 core (memore/encryption): new methods and checks:
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244 # there is a conflict, but replacement is requested
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diff changeset
245 # so we stop previous encryption to use new one
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parents: 2651
diff changeset
246 del self._sessions[bare_jid]
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diff changeset
247 await self._stop_encryption(former_plugin, entity)
2658
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diff changeset
248 else:
4270
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diff changeset
249 msg = _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
250 "Session with {bare_jid} is already encrypted with {name}. "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
251 "Please stop encryption session before changing algorithm."
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
252 ).format(bare_jid=bare_jid, name=plugin.name)
2658
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diff changeset
253 log.warning(msg)
4e130cc9bfc0 core (memore/encryption): new methods and checks:
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diff changeset
254 raise exceptions.ConflictError(msg)
2651
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parents: 2646
diff changeset
255
2658
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diff changeset
256 data = {"plugin": plugin}
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parents: 2651
diff changeset
257 if plugin.directed:
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parents: 2651
diff changeset
258 if not entity.resource:
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diff changeset
259 entity.resource = self.host.memory.main_resource_get(self.client, entity)
2658
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parents: 2651
diff changeset
260 if not entity.resource:
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261 raise exceptions.NotFound(
4270
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parents: 4071
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262 _(
0d7bb4df2343 Reformatted code base using black.
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parents: 4071
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263 "No resource found for {destinee}, can't encrypt with {name}"
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
264 ).format(destinee=entity.full(), name=plugin.name)
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Goffi <goffi@goffi.org>
parents: 4071
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265 )
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parents: 4071
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266 log.info(
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Goffi <goffi@goffi.org>
parents: 4071
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267 _(
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Goffi <goffi@goffi.org>
parents: 4071
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268 "No resource specified to encrypt with {name}, using "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
269 "{destinee}."
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parents: 4071
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270 ).format(destinee=entity.full(), name=plugin.name)
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parents: 4071
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271 )
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272 # indicate that we encrypt only for some devices
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273 directed_devices = data["directed_devices"] = [entity.resource]
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diff changeset
274 elif entity.resource:
3028
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Goffi <goffi@goffi.org>
parents: 2810
diff changeset
275 raise ValueError(_("{name} encryption must be used with bare jids."))
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parents:
diff changeset
276
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parents: 3921
diff changeset
277 await self._start_encryption(plugin, entity)
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Goffi <goffi@goffi.org>
parents:
diff changeset
278 self._sessions[entity.userhostJID()] = data
4270
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279 log.info(
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Goffi <goffi@goffi.org>
parents: 4071
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280 _(
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
281 "Encryption session has been set for {entity_jid} with "
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
282 "{encryption_name}"
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Goffi <goffi@goffi.org>
parents: 4071
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283 ).format(entity_jid=entity.full(), encryption_name=plugin.name)
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parents: 4071
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284 )
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Goffi <goffi@goffi.org>
parents: 3921
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285 self.host.bridge.message_encryption_started(
4270
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286 entity.full(), self.get_bridge_data(data), self.client.profile
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parents: 4071
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287 )
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parents: 4071
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288 msg = D_(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
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289 "Encryption session started: your messages with {destinee} are "
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Goffi <goffi@goffi.org>
parents: 4071
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290 "now end to end encrypted using {name} algorithm."
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Goffi <goffi@goffi.org>
parents: 4071
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291 ).format(destinee=entity.full(), name=plugin.name)
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Goffi <goffi@goffi.org>
parents: 4071
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292 directed_devices = data.get("directed_devices")
2658
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parents: 2651
diff changeset
293 if directed_devices:
4270
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294 msg += "\n" + D_(
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Goffi <goffi@goffi.org>
parents: 4071
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295 "Message are encrypted only for {nb_devices} device(s): "
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
296 "{devices_list}."
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
297 ).format(
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parents: 4071
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298 nb_devices=len(directed_devices), devices_list=", ".join(directed_devices)
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parents: 4071
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299 )
2658
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300
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
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301 self.client.feedback(bare_jid, msg)
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Goffi <goffi@goffi.org>
parents:
diff changeset
302
3226
2f406b762788 core (memory/encryption): encryption session are now restored on client connection
Goffi <goffi@goffi.org>
parents: 3217
diff changeset
303 async def stop(self, entity, namespace=None):
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
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304 """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
305
2658
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Goffi <goffi@goffi.org>
parents: 2651
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306 @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
307 must be bare jid if the algorithm encrypt for all devices
2651
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Goffi <goffi@goffi.org>
parents: 2646
diff changeset
308 @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
309 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
310 """
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
311 session = self.getSession(entity.userhostJID())
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
312 if not session:
2743
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
313 raise failure.Failure(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
314 exceptions.NotFound(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
315 _("There is no encryption session with this " "entity.")
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
316 )
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
317 )
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
318 plugin = session["plugin"]
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
319 if namespace is not None and plugin.namespace != namespace:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
320 raise exceptions.InternalError(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
321 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
322 "The encryption session is not run with the expected plugin: encrypted "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
323 "with {current_name} and was expecting {expected_name}"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
324 ).format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
325 current_name=session["plugin"].namespace, expected_name=namespace
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
326 )
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
327 )
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
328 if entity.resource:
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
329 try:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
330 directed_devices = session["directed_devices"]
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
331 except KeyError:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
332 raise exceptions.NotFound(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
333 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
334 "There is a session for the whole entity (i.e. all devices of the "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
335 "entity), not a directed one. Please use bare jid if you want to "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
336 "stop the whole encryption with this entity."
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
337 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
338 )
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
339
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
340 try:
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
341 directed_devices.remove(entity.resource)
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
342 except ValueError:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
343 raise exceptions.NotFound(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
344 _("There is no directed session with this " "entity.")
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
345 )
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
346 else:
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
347 if not directed_devices:
2743
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
348 # 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
349 # we stop the whole session
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
350 # 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
351 del self._sessions[entity.userhostJID()]
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
352 await self._stop_encryption(plugin, entity)
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
353 else:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
354 # plugin's stop_encryption may call stop again (that's the case with OTR)
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
355 # so we need to remove plugin from session before calling self._stop_encryption
2743
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
356 del self._sessions[entity.userhostJID()]
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
357 await self._stop_encryption(plugin, entity)
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
358
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
359 log.info(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
360 _("encryption session stopped with entity {entity}").format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
361 entity=entity.full()
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
362 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
363 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
364 self.host.bridge.message_encryption_stopped(
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
365 entity.full(),
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
366 {
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
367 "name": plugin.name,
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
368 "namespace": plugin.namespace,
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
369 },
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
370 self.client.profile,
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
371 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
372 msg = D_(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
373 "Encryption session finished: your messages with {destinee} are "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
374 "NOT end to end encrypted anymore.\nYour server administrators or "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
375 "{destinee} server administrators will be able to read them."
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
376 ).format(destinee=entity.full())
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
377
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
378 self.client.feedback(entity, msg)
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
379
3911
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
380 def getSession(self, entity: jid.JID) -> Optional[EncryptionSession]:
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
381 """Get encryption session for this contact
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
382
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
383 @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
384 must be a bare jid
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
385 @return (dict, None): encryption session data
2651
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
386 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
387 """
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
388 if entity.resource:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2810
diff changeset
389 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
390 return self._sessions.get(entity)
ebcff5423465 core (memory/encryption): start improvments, stop and getSession:
Goffi <goffi@goffi.org>
parents: 2646
diff changeset
391
3921
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
392 def get_namespace(self, entity: jid.JID) -> Optional[str]:
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
393 """Helper method to get the current encryption namespace used
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
394
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
395 @param entity: get the namespace for this entity must be a bare jid
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
396 @return: the algorithm namespace currently used in this session, or None if no
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
397 e2ee is currently used.
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
398 """
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
399 session = self.getSession(entity)
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
400 if session is None:
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
401 return None
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
402 return session["plugin"].namespace
cc2705225778 core (memory/encryption): helper method to get currently utilised e2ee algorithm's namespace:
Goffi <goffi@goffi.org>
parents: 3911
diff changeset
403
4037
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Goffi <goffi@goffi.org>
parents: 3921
diff changeset
404 def get_trust_ui(self, entity_jid, namespace=None):
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
405 """Retrieve encryption UI
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
406
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
407 @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
408 must be a bare jid
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
409 @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
410 if None use current algorithm
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
411 @return D(xmlui): XMLUI for trust management
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
412 the xmlui is a form
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
413 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
414 @raise exceptions.NotFound: no algorithm/plugin found
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
415 @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
416 """
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
417 if namespace is None:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
418 session = self.getSession(entity_jid)
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
419 if not session:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
420 raise exceptions.NotFound(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
421 "No encryption session currently active for {entity_jid}".format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
422 entity_jid=entity_jid.full()
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
423 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
424 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
425 plugin = session["plugin"]
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
426 else:
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
427 plugin = self.get_plugin(namespace)
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
428 try:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
429 get_trust_ui = plugin.instance.get_trust_ui
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
430 except AttributeError:
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
431 raise NotImplementedError(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
432 "Encryption plugin doesn't handle trust management UI"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
433 )
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
434 else:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
435 return utils.as_deferred(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
436
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 ## 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
438
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
439 @classmethod
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
440 def _import_menus(cls, host):
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
441 host.import_menu(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
442 (D_("Encryption"), D_("unencrypted (plain text)")),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
443 partial(cls._on_menu_unencrypted, host=host),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
444 security_limit=0,
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
445 help_string=D_("End encrypted session"),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
446 type_=C.MENU_SINGLE,
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
447 )
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
448 for plg in cls.getPlugins():
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
449 host.import_menu(
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
450 (D_("Encryption"), plg.name),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
451 partial(cls._on_menu_name, host=host, plg=plg),
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
452 security_limit=0,
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
453 help_string=D_("Start {name} session").format(name=plg.name),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
454 type_=C.MENU_SINGLE,
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
455 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
456 host.import_menu(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
457 (D_("Encryption"), D_("⛨ {name} trust").format(name=plg.name)),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
458 partial(cls._on_menu_trust, host=host, plg=plg),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
459 security_limit=0,
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
460 help_string=D_("Manage {name} trust").format(name=plg.name),
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
461 type_=C.MENU_SINGLE,
2810
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
462 )
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
463
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
464 @classmethod
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
465 def _on_menu_unencrypted(cls, data, host, profile):
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
466 client = host.get_client(profile)
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
467 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
468 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
469 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
470 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
471
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
472 @classmethod
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
473 def _on_menu_name(cls, data, host, plg, profile):
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
474 client = host.get_client(profile)
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
475 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
476 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
477 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
478 d = defer.ensureDeferred(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
479 client.encryption.start(peer_jid, plg.namespace, replace=True)
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
480 )
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
481 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
482 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
483
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
484 @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
485 @defer.inlineCallbacks
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
486 def _on_menu_trust(cls, data, host, plg, profile):
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
487 client = host.get_client(profile)
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
488 peer_jid = jid.JID(data["jid"]).userhostJID()
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
489 ui = yield client.encryption.get_trust_ui(peer_jid, plg.namespace)
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
490 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
491
2646
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
492 ## Triggers ##
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
493
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
494 def set_encryption_flag(self, mess_data):
2646
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 """Set "encryption" key in mess_data if session with destinee is encrypted"""
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
496 to_jid = mess_data["to"]
2646
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
497 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
498 if encryption is not None:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
499 plugin = encryption["plugin"]
3231
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message:
Goffi <goffi@goffi.org>
parents: 3228
diff changeset
500 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
501 raise exceptions.InternalError(
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
502 f"encryption flag must not be set for groupchat if encryption algorithm "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
503 f"({encryption['plugin'].name}) is directed!"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
504 )
2646
712cb4ff3e13 core: new EncryptionHandler class which manage encrypted session as a core feature:
Goffi <goffi@goffi.org>
parents:
diff changeset
505 mess_data[C.MESS_KEY_ENCRYPTION] = encryption
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
506 self.mark_as_encrypted(mess_data, plugin.namespace)
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
507
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
508 ## Misc ##
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
509
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
510 def mark_as_encrypted(self, mess_data, namespace):
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
511 """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
512
4051
c23cad65ae99 core: renamed `messageReceived` trigger to `message_received`
Goffi <goffi@goffi.org>
parents: 4037
diff changeset
513 This should be used in the post_treat workflow of message_received trigger of
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
514 the plugin
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
diff changeset
515 @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
516 @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
517 """
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
518 mess_data["extra"][C.MESS_KEY_ENCRYPTED] = True
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
519 from_bare_jid = mess_data["from"].userhostJID()
3231
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message:
Goffi <goffi@goffi.org>
parents: 3228
diff changeset
520 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
521 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
522 if session is None:
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message:
Goffi <goffi@goffi.org>
parents: 3228
diff changeset
523 # 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
524 # to avoid sending unencrypted messages in an encrypted context
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Goffi <goffi@goffi.org>
parents: 4071
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525 log.info(
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Goffi <goffi@goffi.org>
parents: 4071
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526 _(
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Goffi <goffi@goffi.org>
parents: 4071
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527 "Starting e2e session with {peer_jid} as we receive encrypted "
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Goffi <goffi@goffi.org>
parents: 4071
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528 "messages"
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Goffi <goffi@goffi.org>
parents: 4071
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529 ).format(peer_jid=from_bare_jid)
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e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message:
Goffi <goffi@goffi.org>
parents: 3228
diff changeset
530 )
e756e0eb1be4 core (memory/encryption): automatic start encryption if peer send encrypted message:
Goffi <goffi@goffi.org>
parents: 3228
diff changeset
531 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
532
2658
4e130cc9bfc0 core (memore/encryption): new methods and checks:
Goffi <goffi@goffi.org>
parents: 2651
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533 return mess_data
2733
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Goffi <goffi@goffi.org>
parents: 2658
diff changeset
534
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
535 def is_encryption_requested(
4270
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parents: 4071
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536 self, mess_data: MessageData, namespace: Optional[str] = None
3911
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
537 ) -> bool:
3180
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method:
Goffi <goffi@goffi.org>
parents: 3171
diff changeset
538 """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
539
3911
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
540 @param mess_data: message data for outgoing message
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
541 @param namespace: if set, check if encryption is requested for the algorithm
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
542 specified
8289ac1b34f4 plugin XEP-0384: Fully reworked to adjust to the reworked python-omemo:
Syndace <me@syndace.dev>
parents: 3479
diff changeset
543 @return: True if the encryption flag is present
3180
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method:
Goffi <goffi@goffi.org>
parents: 3171
diff changeset
544 """
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
545 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
546 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
547 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
548 # we get plugin even if namespace is None to be sure that the key exists
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
549 plugin = encryption["plugin"]
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
550 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
551 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
552 return plugin.namespace == namespace
3180
826bca181226 core (memory/encryption): "isEncryptionRequested" helper method:
Goffi <goffi@goffi.org>
parents: 3171
diff changeset
553
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
554 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
555 """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
556
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
557 @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
558 @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
559 """
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parents: 4071
diff changeset
560 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
561
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Goffi <goffi@goffi.org>
parents: 3921
diff changeset
562 def mark_as_trusted(self, mess_data):
2743
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
563 """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
564
4051
c23cad65ae99 core: renamed `messageReceived` trigger to `message_received`
Goffi <goffi@goffi.org>
parents: 4037
diff changeset
565 This should be used in the post_treat workflow of message_received trigger of
2743
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
566 the plugin
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
567 @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
568 """
2752
1fa615faec8b core (constants): added a constant for "encrypted"
Goffi <goffi@goffi.org>
parents: 2749
diff changeset
569 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
570 return mess_data
da59ff099b32 core (memory/encryption), plugin OTR: finished OTR integration in encryption:
Goffi <goffi@goffi.org>
parents: 2733
diff changeset
571
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3921
diff changeset
572 def mark_as_untrusted(self, mess_data):
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
573 """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
574
4051
c23cad65ae99 core: renamed `messageReceived` trigger to `message_received`
Goffi <goffi@goffi.org>
parents: 4037
diff changeset
575 This should be used in the post_treat workflow of message_received trigger of
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
576 the plugin
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
577 @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
578 """
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
579 mess_data["trusted"] = False
2733
e347e32aa07f core (memory/encryption): new encryptionNamespaceGet and encryptionTrustUIGet methods:
Goffi <goffi@goffi.org>
parents: 2658
diff changeset
580 return mess_data