annotate sat/plugins/plugin_xep_0384.py @ 3216:8418e0c83ed7

plugin text commands: handles coroutines + better command parsing: - async coroutine can now be used for text commands (in addition to Deferred and regular callbacks) - isidentifier is now used to detect a command, allowing to use "_" in command names - if message starts with a single `/`, it is never sent (previously it could be sent is some corner cases) - don't use OrderedDict anymore as dict now keep insertion order by default
author Goffi <goffi@goffi.org>
date Fri, 13 Mar 2020 17:50:08 +0100
parents 8d92d4d829fb
children 806a7936a591
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1 #!/usr/bin/env python3
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2
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3 # SAT plugin for OMEMO encryption
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4 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from sat.core.i18n import _, D_
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20 from sat.core.constants import Const as C
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21 from sat.core.log import getLogger
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22 from sat.core import exceptions
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23 from twisted.internet import defer, reactor
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24 from twisted.words.xish import domish
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.protocols.jabber import error as jabber_error
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27 from sat.memory import persistent
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28 from functools import partial
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29 from sat.tools import xml_tools
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30 import logging
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31 import random
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32 import base64
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33 try:
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34 import omemo
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35 from omemo import exceptions as omemo_excpt
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36 from omemo.extendedpublicbundle import ExtendedPublicBundle
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37 except ImportError:
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38 raise exceptions.MissingModule(
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39 'Missing module omemo, please download/install it. You can use '
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40 '"pip install omemo"'
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41 )
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42 try:
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43 from omemo_backend_signal import BACKEND as omemo_backend
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44 except ImportError:
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45 raise exceptions.MissingModule(
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46 'Missing module omemo-backend-signal, please download/install it. You can use '
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47 '"pip install omemo-backend-signal"'
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48 )
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49
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50 log = getLogger(__name__)
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51
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52 PLUGIN_INFO = {
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53 C.PI_NAME: "OMEMO",
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54 C.PI_IMPORT_NAME: "XEP-0384",
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55 C.PI_TYPE: "SEC",
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56 C.PI_PROTOCOLS: ["XEP-0384"],
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57 C.PI_DEPENDENCIES: ["XEP-0163", "XEP-0280", "XEP-0334", "XEP-0060"],
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58 C.PI_RECOMMENDATIONS: ["XEP-0045", "XEP-0359"],
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59 C.PI_MAIN: "OMEMO",
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60 C.PI_HANDLER: "no",
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61 C.PI_DESCRIPTION: _("""Implementation of OMEMO"""),
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62 }
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63
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64 OMEMO_MIN_VER = (0, 11, 0)
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65 NS_OMEMO = "eu.siacs.conversations.axolotl"
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66 NS_OMEMO_DEVICES = NS_OMEMO + ".devicelist"
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67 NS_OMEMO_BUNDLE = NS_OMEMO + ".bundles:{device_id}"
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68 KEY_STATE = "STATE"
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69 KEY_DEVICE_ID = "DEVICE_ID"
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70 KEY_SESSION = "SESSION"
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71 KEY_TRUST = "TRUST"
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72 KEY_ACTIVE_DEVICES = "DEVICES"
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73 KEY_INACTIVE_DEVICES = "INACTIVE_DEVICES"
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74 KEY_ALL_JIDS = "ALL_JIDS"
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75 # time before plaintext cache for MUC is expired
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76 # expressed in seconds, reset on each new MUC message
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77 MUC_CACHE_TTL = 60 * 5
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78
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79
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80 # we want to manage log emitted by omemo module ourselves
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81
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82 class SatHandler(logging.Handler):
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83
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84 def emit(self, record):
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85 log.log(record.levelname, record.getMessage())
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86
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87 @staticmethod
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88 def install():
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89 omemo_sm_logger = logging.getLogger("omemo.SessionManager")
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90 omemo_sm_logger.propagate = False
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91 omemo_sm_logger.addHandler(SatHandler())
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94 SatHandler.install()
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95
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96
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97 def b64enc(data):
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98 return base64.b64encode(bytes(bytearray(data))).decode("US-ASCII")
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99
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100
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101 def promise2Deferred(promise_):
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102 """Create a Deferred and fire it when promise is resolved
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103
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104 @param promise_(promise.Promise): promise to convert
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105 @return (defer.Deferred): deferred instance linked to the promise
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106 """
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107 d = defer.Deferred()
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108 promise_.then(d.callback, d.errback)
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109 return d
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110
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111
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112 class OmemoStorage(omemo.Storage):
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113
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114 def __init__(self, client, device_id, all_jids, persistent_dict):
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115 """
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116 @param persistent_dict(persistent.LazyPersistentBinaryDict): object which will
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117 store data in SàT database
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118 """
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119 self.own_bare_jid_s = client.jid.userhost()
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120 self.device_id = device_id
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121 self.all_jids = all_jids
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122 self.data = persistent_dict
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123
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124 @property
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125 def is_async(self):
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126 return True
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127
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128 def setCb(self, deferred, callback):
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129 """Associate Deferred and callback
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130
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131 callback of omemo.Storage expect a boolean with success state then result
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132 Deferred on the other hand use 2 methods for callback and errback
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133 This method use partial to call callback with boolean then result when
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134 Deferred is called
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135 """
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136 deferred.addCallback(partial(callback, True))
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137 deferred.addErrback(partial(callback, False))
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138
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139 def _checkJid(self, bare_jid):
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140 """Check if jid is know, and store it if not
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141
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142 @param bare_jid(unicode): bare jid to check
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143 @return (D): Deferred fired when jid is stored
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144 """
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145 if bare_jid in self.all_jids:
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146 return defer.succeed(None)
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147 else:
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148 self.all_jids.add(bare_jid)
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149 d = self.data.force(KEY_ALL_JIDS, self.all_jids)
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150 return d
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151
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152 def loadOwnData(self, callback):
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153 callback(True, {'own_bare_jid': self.own_bare_jid_s,
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154 'own_device_id': self.device_id})
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155
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156 def storeOwnData(self, callback, own_bare_jid, own_device_id):
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157 if own_bare_jid != self.own_bare_jid_s or own_device_id != self.device_id:
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158 raise exceptions.InternalError('bare jid or device id inconsistency!')
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159 callback(True, None)
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160
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161 def loadState(self, callback):
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162 d = self.data.get(KEY_STATE)
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163 self.setCb(d, callback)
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164
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165 def storeState(self, callback, state):
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166 d = self.data.force(KEY_STATE, state)
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167 self.setCb(d, callback)
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168
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169 def loadSession(self, callback, bare_jid, device_id):
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170 key = '\n'.join([KEY_SESSION, bare_jid, str(device_id)])
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171 d = self.data.get(key)
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172 self.setCb(d, callback)
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173
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174 def storeSession(self, callback, bare_jid, device_id, session):
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175 key = '\n'.join([KEY_SESSION, bare_jid, str(device_id)])
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176 d = self.data.force(key, session)
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177 self.setCb(d, callback)
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178
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179 def deleteSession(self, callback, bare_jid, device_id):
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180 key = '\n'.join([KEY_SESSION, bare_jid, str(device_id)])
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181 d = self.data.remove(key)
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182 self.setCb(d, callback)
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183
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184 def loadActiveDevices(self, callback, bare_jid):
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185 key = '\n'.join([KEY_ACTIVE_DEVICES, bare_jid])
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186 d = self.data.get(key, {})
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187 if callback is not None:
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188 self.setCb(d, callback)
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189 return d
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190
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191 def loadInactiveDevices(self, callback, bare_jid):
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192 key = '\n'.join([KEY_INACTIVE_DEVICES, bare_jid])
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193 d = self.data.get(key, {})
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194 if callback is not None:
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195 self.setCb(d, callback)
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196 return d
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197
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198 def storeActiveDevices(self, callback, bare_jid, devices):
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199 key = '\n'.join([KEY_ACTIVE_DEVICES, bare_jid])
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200 d = self._checkJid(bare_jid)
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201 d.addCallback(lambda _: self.data.force(key, devices))
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202 self.setCb(d, callback)
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203
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204 def storeInactiveDevices(self, callback, bare_jid, devices):
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205 key = '\n'.join([KEY_INACTIVE_DEVICES, bare_jid])
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206 d = self._checkJid(bare_jid)
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207 d.addCallback(lambda _: self.data.force(key, devices))
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208 self.setCb(d, callback)
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209
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210 def storeTrust(self, callback, bare_jid, device_id, trust):
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211 key = '\n'.join([KEY_TRUST, bare_jid, str(device_id)])
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212 d = self.data.force(key, trust)
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213 self.setCb(d, callback)
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214
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215 def loadTrust(self, callback, bare_jid, device_id):
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216 key = '\n'.join([KEY_TRUST, bare_jid, str(device_id)])
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217 d = self.data.get(key)
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218 if callback is not None:
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219 self.setCb(d, callback)
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220 return d
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221
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222 def listJIDs(self, callback):
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223 d = defer.succeed(self.all_jids)
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224 if callback is not None:
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225 self.setCb(d, callback)
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226 return d
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227
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228 def _deleteJID_logResults(self, results):
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229 failed = [success for success, __ in results if not success]
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230 if failed:
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231 log.warning(
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232 "delete JID failed for {failed_count} on {total_count} operations"
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233 .format(failed_count=len(failed), total_count=len(results)))
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234 else:
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235 log.info(
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236 "Delete JID operation succeed ({total_count} operations)."
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237 .format(total_count=len(results)))
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238
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239 def _deleteJID_gotDevices(self, results, bare_jid):
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240 assert len(results) == 2
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diff changeset
241 active_success, active_devices = results[0]
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242 inactive_success, inactive_devices = results[0]
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243 d_list = []
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diff changeset
244 for success, devices in results:
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diff changeset
245 if not success:
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diff changeset
246 log.warning("Can't retrieve devices for {bare_jid}: {reason}"
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247 .format(bare_jid=bare_jid, reason=active_devices))
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248 else:
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249 for device_id in devices:
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250 for key in (KEY_SESSION, KEY_TRUST):
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251 k = '\n'.join([key, bare_jid, str(device_id)])
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252 d_list.append(self.data.remove(k))
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253
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254 d_list.append(self.data.remove(KEY_ACTIVE_DEVICES, bare_jid))
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255 d_list.append(self.data.remove(KEY_INACTIVE_DEVICES, bare_jid))
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256 d_list.append(lambda __: self.all_jids.discard(bare_jid))
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257 # FIXME: there is a risk of race condition here,
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258 # if self.all_jids is modified between discard and force)
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259 d_list.append(lambda __: self.data.force(KEY_ALL_JIDS, self.all_jids))
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260 d = defer.DeferredList(d_list)
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261 d.addCallback(self._deleteJID_logResults)
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262 return d
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263
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264 def deleteJID(self, callback, bare_jid):
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265 """Retrieve all (in)actives of bare_jid, and delete all related keys"""
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266 d_list = []
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267
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268 key = '\n'.join([KEY_ACTIVE_DEVICES, bare_jid])
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269 d_list.append(self.data.get(key, []))
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270
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271 key = '\n'.join([KEY_INACTIVE_DEVICES, bare_jid])
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272 d_inactive = self.data.get(key, {})
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273 # inactive devices are returned as a dict mapping from devices_id to timestamp
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274 # but we only need devices ids
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275 d_inactive.addCallback(lambda devices: [k for k, __ in devices])
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276
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277 d_list.append(d_inactive)
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278 d = defer.DeferredList(d_list)
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279 d.addCallback(self._deleteJID_gotDevices, bare_jid)
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280 if callback is not None:
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281 self.setCb(d, callback)
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282 return d
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283
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284
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285 class SatOTPKPolicy(omemo.DefaultOTPKPolicy):
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286 pass
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287
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288
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289 class OmemoSession(object):
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290 """Wrapper to use omemo.OmemoSession with Deferred"""
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291
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292 def __init__(self, session):
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293 self._session = session
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294
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295 @property
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296 def republish_bundle(self):
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297 return self._session.republish_bundle
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298
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299 @property
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300 def public_bundle(self):
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301 return self._session.public_bundle
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302
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303 @classmethod
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304 def create(cls, client, storage, my_device_id = None):
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305 omemo_session_p = omemo.SessionManager.create(
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306 storage,
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307 SatOTPKPolicy,
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308 omemo_backend,
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309 client.jid.userhost(),
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310 my_device_id)
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311 d = promise2Deferred(omemo_session_p)
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312 d.addCallback(lambda session: cls(session))
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313 return d
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314
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315 def newDeviceList(self, jid, devices):
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316 jid = jid.userhost()
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317 new_device_p = self._session.newDeviceList(jid, devices)
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318 return promise2Deferred(new_device_p)
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319
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320 def getDevices(self, bare_jid=None):
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321 get_devices_p = self._session.getDevices(bare_jid=bare_jid)
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322 return promise2Deferred(get_devices_p)
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323
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diff changeset
324 def buildSession(self, bare_jid, device, bundle):
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325 bare_jid = bare_jid.userhost()
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326 build_session_p = self._session.buildSession(bare_jid, device, bundle)
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327 return promise2Deferred(build_session_p)
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328
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329 def encryptMessage(self, bare_jids, message, bundles=None, expect_problems=None):
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330 """Encrypt a message
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331
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332 @param bare_jids(iterable[jid.JID]): destinees of the message
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333 @param message(unicode): message to encode
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334 @param bundles(dict[jid.JID, dict[int, ExtendedPublicBundle]):
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335 entities => devices => bundles map
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336 @return D(dict): encryption data
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337 """
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338 bare_jids = [e.userhost() for e in bare_jids]
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339 if bundles is not None:
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340 bundles = {e.userhost(): v for e, v in bundles.items()}
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341 encrypt_mess_p = self._session.encryptMessage(
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342 bare_jids=bare_jids,
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343 plaintext=message.encode(),
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344 bundles=bundles,
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345 expect_problems=expect_problems)
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346 return promise2Deferred(encrypt_mess_p)
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347
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348 def decryptMessage(self, bare_jid, device, iv, message, is_pre_key_message,
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349 ciphertext, additional_information=None, allow_untrusted=False):
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350 bare_jid = bare_jid.userhost()
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351 decrypt_mess_p = self._session.decryptMessage(
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352 bare_jid=bare_jid,
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353 device=device,
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354 iv=iv,
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355 message=message,
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356 is_pre_key_message=is_pre_key_message,
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357 ciphertext=ciphertext,
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358 additional_information=additional_information,
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diff changeset
359 allow_untrusted=allow_untrusted
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diff changeset
360 )
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361 return promise2Deferred(decrypt_mess_p)
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362
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363 def setTrust(self, bare_jid, device, key, trusted):
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364 bare_jid = bare_jid.userhost()
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365 setTrust_p = self._session.setTrust(
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366 bare_jid=bare_jid,
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367 device=device,
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368 key=key,
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369 trusted=trusted,
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370 )
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371 return promise2Deferred(setTrust_p)
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eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
372
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
373 def getTrustForJID(self, bare_jid):
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
374 bare_jid = bare_jid.userhost()
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
375 get_trust_p = self._session.getTrustForJID(bare_jid=bare_jid)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
376 return promise2Deferred(get_trust_p)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
377
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
378
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
379 class OMEMO(object):
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
380
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
381 def __init__(self, host):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
382 log.info(_("OMEMO plugin initialization (omemo module v{version})").format(
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
383 version=omemo.__version__))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
384 version = tuple(map(int, omemo.__version__.split('.')[:3]))
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
385 if version < OMEMO_MIN_VER:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
386 log.warning(_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
387 "Your version of omemo module is too old: {v[0]}.{v[1]}.{v[2]} is "
3098
518208085dfb plugin XEP-0384: typo
Goffi <goffi@goffi.org>
parents: 3085
diff changeset
388 "minimum required, please update.").format(v=OMEMO_MIN_VER))
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
389 raise exceptions.CancelError("module is too old")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
390 self.host = host
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
391 self._p_hints = host.plugins["XEP-0334"]
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
392 self._p_carbons = host.plugins["XEP-0280"]
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
393 self._p = host.plugins["XEP-0060"]
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
394 self._m = host.plugins.get("XEP-0045")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
395 self._sid = host.plugins.get("XEP-0359")
3172
dcebc585c29f core: renamed "MessageReceived" trigger to "messageReceived" for consistency.
Goffi <goffi@goffi.org>
parents: 3142
diff changeset
396 host.trigger.add("messageReceived", self._messageReceivedTrigger, priority=100050)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
397 host.trigger.add("sendMessageData", self._sendMessageDataTrigger)
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
398 self.host.registerEncryptionPlugin(self, "OMEMO", NS_OMEMO, 100)
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
399 pep = host.plugins['XEP-0163']
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
400 pep.addPEPEvent(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
401 "OMEMO_DEVICES", NS_OMEMO_DEVICES,
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
402 lambda itemsEvent, profile: defer.ensureDeferred(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
403 self.onNewDevices(itemsEvent, profile))
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
404 )
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
405
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
406 @defer.inlineCallbacks
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
407 def trustUICb(self, xmlui_data, trust_data, expect_problems=None,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
408 profile=C.PROF_KEY_NONE):
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
409 if C.bool(xmlui_data.get('cancelled', 'false')):
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
410 defer.returnValue({})
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
411 client = self.host.getClient(profile)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
412 session = client._xep_0384_session
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
413 answer = xml_tools.XMLUIResult2DataFormResult(xmlui_data)
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
414 for key, value in answer.items():
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
415 if key.startswith('trust_'):
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
416 trust_id = key[6:]
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
417 else:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
418 continue
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
419 data = trust_data[trust_id]
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
420 trust = C.bool(value)
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
421 yield session.setTrust(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
422 data["jid"],
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
423 data["device"],
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
424 data["ik"],
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
425 trusted=trust,
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
426 )
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
427 if not trust and expect_problems is not None:
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
428 expect_problems.setdefault(data['jid'].userhost(), set()).add(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
429 data['device']
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
430 )
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
431 defer.returnValue({})
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
432
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
433 @defer.inlineCallbacks
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
434 def getTrustUI(self, client, entity_jid=None, trust_data=None, submit_id=None):
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
435 """Generate a XMLUI to manage trust
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
436
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
437 @param entity_jid(None, jid.JID): jid of entity to manage
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
438 None to use trust_data
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
439 @param trust_data(None, dict): devices data:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
440 None to use entity_jid
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
441 else a dict mapping from trust ids (unicode) to devices data,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
442 where a device data must have the following keys:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
443 - jid(jid.JID): bare jid of the device owner
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
444 - device(int): device id
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
445 - ik(bytes): identity key
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
446 and may have the following key:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
447 - trusted(bool): True if device is trusted
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
448 @param submit_id(None, unicode): submit_id to use
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
449 if None set UI callback to trustUICb
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
450 @return D(xmlui): trust management form
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
451 """
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
452 # we need entity_jid xor trust_data
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
453 assert entity_jid and not trust_data or not entity_jid and trust_data
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
454 if entity_jid and entity_jid.resource:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
455 raise ValueError("A bare jid is expected")
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
456
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
457 session = client._xep_0384_session
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
458
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
459 if trust_data is None:
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
460 cache = client._xep_0384_cache.setdefault(entity_jid, {})
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
461 trust_data = {}
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
462 if self._m is not None and self._m.isJoinedRoom(client, entity_jid):
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
463 trust_jids = self.getJIDsForRoom(client, entity_jid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
464 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
465 trust_jids = [entity_jid]
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
466 for trust_jid in trust_jids:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
467 trust_session_data = yield session.getTrustForJID(trust_jid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
468 bare_jid_s = trust_jid.userhost()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
469 for device_id, trust_info in trust_session_data['active'].items():
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
470 if trust_info is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
471 # device has never been (un)trusted, we have to retrieve its
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
472 # fingerprint (i.e. identity key or "ik") through public bundle
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
473 if device_id not in cache:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
474 bundles, missing = yield self.getBundles(client,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
475 trust_jid,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
476 [device_id])
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
477 if device_id not in bundles:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
478 log.warning(_(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
479 "Can't find bundle for device {device_id} of user "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
480 "{bare_jid}, ignoring").format(device_id=device_id,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
481 bare_jid=bare_jid_s))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
482 continue
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
483 cache[device_id] = bundles[device_id]
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
484 # TODO: replace False below by None when undecided
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
485 # trusts are handled
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
486 trust_info = {
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
487 "key": cache[device_id].ik,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
488 "trusted": False
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
489 }
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
490
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
491 ik = trust_info["key"]
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
492 trust_id = str(hash((bare_jid_s, device_id, ik)))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
493 trust_data[trust_id] = {
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
494 "jid": trust_jid,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
495 "device": device_id,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
496 "ik": ik,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
497 "trusted": trust_info["trusted"],
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
498 }
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
499
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
500 if submit_id is None:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
501 submit_id = self.host.registerCallback(partial(self.trustUICb,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
502 trust_data=trust_data),
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
503 with_data=True,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
504 one_shot=True)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
505 xmlui = xml_tools.XMLUI(
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
506 panel_type = C.XMLUI_FORM,
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
507 title = D_("OMEMO trust management"),
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
508 submit_id = submit_id
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
509 )
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
510 xmlui.addText(D_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
511 "This is OMEMO trusting system. You'll see below the devices of your "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
512 "contacts, and a checkbox to trust them or not. A trusted device "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
513 "can read your messages in plain text, so be sure to only validate "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
514 "devices that you are sure are belonging to your contact. It's better "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
515 "to do this when you are next to your contact and her/his device, so "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
516 "you can check the \"fingerprint\" (the number next to the device) "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
517 "yourself. Do *not* validate a device if the fingerprint is wrong!"))
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
518
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
519 xmlui.changeContainer("label")
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
520 xmlui.addLabel(D_("This device ID"))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
521 xmlui.addText(str(client._xep_0384_device_id))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
522 xmlui.addLabel(D_("This device fingerprint"))
3084
ffcdd93b61fa plugin XEP-0384: specific warning on missing omemo-backend-signal + fixed encoding following Python 3 port
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
523 ik_hex = session.public_bundle.ik.hex().upper()
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
524 fp_human = ' '.join([ik_hex[i:i+8] for i in range(0, len(ik_hex), 8)])
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
525 xmlui.addText(fp_human)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
526 xmlui.addEmpty()
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
527 xmlui.addEmpty()
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
528
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
529
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
530 for trust_id, data in trust_data.items():
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
531 xmlui.addLabel(D_("Contact"))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
532 xmlui.addJid(data['jid'])
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
533 xmlui.addLabel(D_("Device ID"))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
534 xmlui.addText(str(data['device']))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
535 xmlui.addLabel(D_("Fingerprint"))
3084
ffcdd93b61fa plugin XEP-0384: specific warning on missing omemo-backend-signal + fixed encoding following Python 3 port
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
536 ik_hex = data['ik'].hex().upper()
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
537 fp_human = ' '.join([ik_hex[i:i+8] for i in range(0, len(ik_hex), 8)])
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
538 xmlui.addText(fp_human)
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
539 xmlui.addLabel(D_("Trust this device?"))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
540 xmlui.addBool("trust_{}".format(trust_id),
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
541 value=C.boolConst(data.get('trusted', False)))
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
542
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
543 xmlui.addEmpty()
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
544 xmlui.addEmpty()
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
545
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
546 defer.returnValue(xmlui)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
547
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
548 @defer.inlineCallbacks
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
549 def profileConnected(self, client):
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
550 if self._m is not None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
551 # we keep plain text message for MUC messages we send
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
552 # as we can't encrypt for our own device
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
553 client._xep_0384_muc_cache = {}
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
554 # and we keep them only for some time, in case something goes wrong
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
555 # with the MUC
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
556 client._xep_0384_muc_cache_timer = None
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
557
2925
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
558 # FIXME: is _xep_0384_ready needed? can we use profileConnecting?
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
559 # Workflow should be checked
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
560 client._xep_0384_ready = defer.Deferred()
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
561 # we first need to get devices ids (including our own)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
562 persistent_dict = persistent.LazyPersistentBinaryDict("XEP-0384", client.profile)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
563 # all known devices of profile
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
564 devices = yield self.getDevices(client)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
565 # and our own device id
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
566 device_id = yield persistent_dict.get(KEY_DEVICE_ID)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
567 if device_id is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
568 log.info(_("We have no identity for this device yet, let's generate one"))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
569 # we have a new device, we create device_id
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
570 device_id = random.randint(1, 2**31-1)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
571 # we check that it's really unique
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 while device_id in devices:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
573 device_id = random.randint(1, 2**31-1)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
574 # and we save it
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
575 persistent_dict[KEY_DEVICE_ID] = device_id
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
576
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
577 log.debug(f"our OMEMO device id is {device_id}")
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
578
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 if device_id not in devices:
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
580 log.debug(f"our device id ({device_id}) is not in the list, adding it")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
581 devices.add(device_id)
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
582 yield defer.ensureDeferred(self.setDevices(client, devices))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
583
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
584 all_jids = yield persistent_dict.get(KEY_ALL_JIDS, set())
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
585
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
586 omemo_storage = OmemoStorage(client, device_id, all_jids, persistent_dict)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
587 omemo_session = yield OmemoSession.create(client, omemo_storage, device_id)
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
588 client._xep_0384_cache = {}
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 client._xep_0384_session = omemo_session
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
590 client._xep_0384_device_id = device_id
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
591 yield omemo_session.newDeviceList(client.jid, devices)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
592 if omemo_session.republish_bundle:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
593 log.info(_("Saving public bundle for this device ({device_id})").format(
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
594 device_id=device_id))
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
595 yield defer.ensureDeferred(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
596 self.setBundle(client, omemo_session.public_bundle, device_id)
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
597 )
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
598 client._xep_0384_ready.callback(None)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
599 del client._xep_0384_ready
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
600
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
601 ## XMPP PEP nodes manipulation
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
602
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
603 # devices
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
604
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
605 def parseDevices(self, items):
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
606 """Parse devices found in items
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
607
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
608 @param items(iterable[domish.Element]): items as retrieved by getItems
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
609 @return set[int]: parsed devices
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
610 """
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
611 devices = set()
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
612 if len(items) > 1:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
613 log.warning(_("OMEMO devices list is stored in more that one items, "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
614 "this is not expected"))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
615 if items:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
616 try:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
617 list_elt = next(items[0].elements(NS_OMEMO, 'list'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
618 except StopIteration:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
619 log.warning(_("no list element found in OMEMO devices list"))
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
620 return devices
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
621 for device_elt in list_elt.elements(NS_OMEMO, 'device'):
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
622 try:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
623 device_id = int(device_elt['id'])
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
624 except KeyError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
625 log.warning(_('device element is missing "id" attribute: {elt}')
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
626 .format(elt=device_elt.toXml()))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
627 except ValueError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
628 log.warning(_('invalid device id: {device_id}').format(
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
629 device_id=device_elt['id']))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
630 else:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
631 devices.add(device_id)
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
632 return devices
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
633
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
634 @defer.inlineCallbacks
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
635 def getDevices(self, client, entity_jid=None):
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
636 """Retrieve list of registered OMEMO devices
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
637
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
638 @param entity_jid(jid.JID, None): get devices from this entity
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
639 None to get our own devices
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
640 @return (set(int)): list of devices
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
641 """
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
642 if entity_jid is not None:
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
643 assert not entity_jid.resource
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
644 try:
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
645 items, metadata = yield self._p.getItems(client, entity_jid, NS_OMEMO_DEVICES)
3142
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
646 except exceptions.NotFound:
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
647 log.info(_("there is no node to handle OMEMO devices"))
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
648 defer.returnValue(set())
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
649
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
650 devices = self.parseDevices(items)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
651 defer.returnValue(devices)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
652
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
653 async def setDevices(self, client, devices):
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
654 log.debug(f"setting devices with {', '.join(devices)}")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
655 list_elt = domish.Element((NS_OMEMO, 'list'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
656 for device in devices:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
657 device_elt = list_elt.addElement('device')
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
658 device_elt['id'] = str(device)
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
659 try:
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
660 await self._p.sendItem(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
661 client, None, NS_OMEMO_DEVICES, list_elt,
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
662 item_id=self._p.ID_SINGLETON,
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
663 extra={
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
664 self._p.EXTRA_PUBLISH_OPTIONS: {self._p.OPT_MAX_ITEMS: 1},
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
665 self._p.EXTRA_ON_PRECOND_NOT_MET: "publish_without_options",
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
666 }
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
667 )
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
668 except Exception as e:
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
669 log.warning(_("Can't set devices: {reason}").format(reason=e))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
670
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
671 # bundles
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
672
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
673 @defer.inlineCallbacks
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
674 def getBundles(self, client, entity_jid, devices_ids):
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
675 """Retrieve public bundles of an entity devices
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
676
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
677 @param entity_jid(jid.JID): bare jid of entity
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
678 @param devices_id(iterable[int]): ids of the devices bundles to retrieve
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
679 @return (tuple(dict[int, ExtendedPublicBundle], list(int))):
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
680 - bundles collection:
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
681 * key is device_id
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
682 * value is parsed bundle
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
683 - set of bundles not found
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
684 """
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
685 assert not entity_jid.resource
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
686 bundles = {}
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
687 missing = set()
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
688 for device_id in devices_ids:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
689 node = NS_OMEMO_BUNDLE.format(device_id=device_id)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
690 try:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
691 items, metadata = yield self._p.getItems(client, entity_jid, node)
3142
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
692 except exceptions.NotFound:
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
693 log.warning(_("Bundle missing for device {device_id}")
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
694 .format(device_id=device_id))
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
695 missing.add(device_id)
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
696 continue
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
697 except jabber_error.StanzaError as e:
3142
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
698 log.warning(_("Can't get bundle for device {device_id}: {reason}")
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
699 .format(device_id=device_id, reason=e))
cd90c24b2836 plugin XEP-0384: fixed exception catching on getItems
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
700 continue
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
701 if not items:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
702 log.warning(_("no item found in node {node}, can't get public bundle "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
703 "for device {device_id}").format(node=node,
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
704 device_id=device_id))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
705 continue
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
706 if len(items) > 1:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
707 log.warning(_("more than one item found in {node}, "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
708 "this is not expected").format(node=node))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
709 item = items[0]
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
710 try:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
711 bundle_elt = next(item.elements(NS_OMEMO, 'bundle'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
712 signedPreKeyPublic_elt = next(bundle_elt.elements(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
713 NS_OMEMO, 'signedPreKeyPublic'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
714 signedPreKeySignature_elt = next(bundle_elt.elements(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
715 NS_OMEMO, 'signedPreKeySignature'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
716 identityKey_elt = next(bundle_elt.elements(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
717 NS_OMEMO, 'identityKey'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
718 prekeys_elt = next(bundle_elt.elements(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
719 NS_OMEMO, 'prekeys'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
720 except StopIteration:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
721 log.warning(_("invalid bundle for device {device_id}, ignoring").format(
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
722 device_id=device_id))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
723 continue
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
724
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
725 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
726 spkPublic = base64.b64decode(str(signedPreKeyPublic_elt))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
727 spkSignature = base64.b64decode(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
728 str(signedPreKeySignature_elt))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
729
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
730 ik = base64.b64decode(str(identityKey_elt))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
731 spk = {
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
732 "key": spkPublic,
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
733 "id": int(signedPreKeyPublic_elt['signedPreKeyId'])
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
734 }
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
735 otpks = []
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
736 for preKeyPublic_elt in prekeys_elt.elements(NS_OMEMO, 'preKeyPublic'):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
737 preKeyPublic = base64.b64decode(str(preKeyPublic_elt))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
738 otpk = {
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
739 "key": preKeyPublic,
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
740 "id": int(preKeyPublic_elt['preKeyId'])
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
741 }
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
742 otpks.append(otpk)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
743
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
744 except Exception as e:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
745 log.warning(_("error while decoding key for device {device_id}: {msg}")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
746 .format(device_id=device_id, msg=e))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
747 continue
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
748
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
749 bundles[device_id] = ExtendedPublicBundle.parse(omemo_backend, ik, spk,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
750 spkSignature, otpks)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
751
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
752 defer.returnValue((bundles, missing))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
753
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
754 async def setBundle(self, client, bundle, device_id):
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
755 """Set public bundle for this device.
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
756
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
757 @param bundle(ExtendedPublicBundle): bundle to publish
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
758 """
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
759 log.debug(_("updating bundle for {device_id}").format(device_id=device_id))
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
760 bundle = bundle.serialize(omemo_backend)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
761 bundle_elt = domish.Element((NS_OMEMO, 'bundle'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
762 signedPreKeyPublic_elt = bundle_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
763 "signedPreKeyPublic",
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
764 content=b64enc(bundle["spk"]['key']))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
765 signedPreKeyPublic_elt['signedPreKeyId'] = str(bundle["spk"]['id'])
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
766
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
767 bundle_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
768 "signedPreKeySignature",
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
769 content=b64enc(bundle["spk_signature"]))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
770
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
771 bundle_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
772 "identityKey",
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
773 content=b64enc(bundle["ik"]))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
774
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
775 prekeys_elt = bundle_elt.addElement('prekeys')
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
776 for otpk in bundle["otpks"]:
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
777 preKeyPublic_elt = prekeys_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
778 'preKeyPublic',
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
779 content=b64enc(otpk["key"]))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
780 preKeyPublic_elt['preKeyId'] = str(otpk['id'])
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
781
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
782 node = NS_OMEMO_BUNDLE.format(device_id=device_id)
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
783 try:
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
784 await self._p.sendItem(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
785 client, None, node, bundle_elt, item_id=self._p.ID_SINGLETON,
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
786 extra={
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
787 self._p.EXTRA_PUBLISH_OPTIONS: {self._p.OPT_MAX_ITEMS: 1},
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
788 self._p.EXTRA_ON_PRECOND_NOT_MET: "publish_without_options",
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
789 }
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
790 )
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
791 except Exception as e:
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
792 log.warning(_("Can't set bundle: {reason}").format(reason=e))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
793
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
794 ## PEP node events callbacks
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
795
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
796 async def onNewDevices(self, itemsEvent, profile):
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
797 client = self.host.getClient(profile)
2925
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
798 try:
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
799 omemo_session = client._xep_0384_session
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
800 except AttributeError:
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
801 await client._xep_0384_ready
2925
03a09e16bf28 plugin XEP-0384: wait for client to be ready if session is missing when onNewDevices is called
Goffi <goffi@goffi.org>
parents: 2860
diff changeset
802 omemo_session = client._xep_0384_session
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
803 entity = itemsEvent.sender
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
804
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
805 devices = self.parseDevices(itemsEvent.items)
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
806 await omemo_session.newDeviceList(entity, devices)
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
807
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
808 if entity == client.jid.userhostJID():
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
809 own_device = client._xep_0384_device_id
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
810 if own_device not in devices:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
811 log.warning(_("Our own device is missing from devices list, fixing it"))
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
812 devices.add(own_device)
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
813 await self.setDevices(client, devices)
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
814
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
815 ## triggers
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
816
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
817 @defer.inlineCallbacks
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
818 def handleProblems(self, client, feedback_jid, bundles, expect_problems, problems):
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
819 """Try to solve problems found by EncryptMessage
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
820
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
821 @param feedback_jid(jid.JID): bare jid where the feedback message must be sent
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
822 @param bundles(dict): bundles data as used in EncryptMessage
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
823 already filled with known bundles, missing bundles
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
824 need to be added to it
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
825 This dict is updated
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
826 @param problems(list): exceptions raised by EncryptMessage
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
827 @param expect_problems(dict): known problems to expect, used in encryptMessage
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
828 This dict will list devices where problems can be ignored
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
829 (those devices won't receive the encrypted data)
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
830 This dict is updated
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
831 """
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
832 # FIXME: not all problems are handled yet
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
833 undecided = {}
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
834 missing_bundles = {}
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
835 found_bundles = None
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
836 cache = client._xep_0384_cache
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
837 for problem in problems:
2857
88f10630d5ea plugin XEP-0384: removed version restriction, it is now compatible with (and require) last version of python-omemo (0.10.4)
Goffi <goffi@goffi.org>
parents: 2823
diff changeset
838 if isinstance(problem, omemo_excpt.TrustException):
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
839 if problem.problem == 'undecided':
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
840 undecided[str(hash(problem))] = problem
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
841 elif problem.problem == 'untrusted':
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
842 expect_problems.setdefault(problem.bare_jid, set()).add(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
843 problem.device)
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
844 log.info(_(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
845 "discarding untrusted device {device_id} with key {device_key} "
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
846 "for {entity}").format(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
847 device_id=problem.device,
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
848 device_key=problem.ik.hex().upper(),
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
849 entity=problem.bare_jid,
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
850 )
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
851 )
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
852 else:
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
853 log.error(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
854 f"Unexpected trust problem: {problem.problem!r} for device "
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
855 f"{problem.device} for {problem.bare_jid}, ignoring device")
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
856 expect_problems.setdefault(problem.bare_jid, set()).add(
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
857 problem.device)
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
858 elif isinstance(problem, omemo_excpt.MissingBundleException):
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
859 pb_entity = jid.JID(problem.bare_jid)
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
860 entity_cache = cache.setdefault(pb_entity, {})
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
861 entity_bundles = bundles.setdefault(pb_entity, {})
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
862 if problem.device in entity_cache:
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
863 entity_bundles[problem.device] = entity_cache[problem.device]
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
864 else:
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
865 found_bundles, missing = yield self.getBundles(
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
866 client, pb_entity, [problem.device])
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
867 entity_cache.update(bundles)
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
868 entity_bundles.update(found_bundles)
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
869 if problem.device in missing:
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
870 missing_bundles.setdefault(pb_entity, set()).add(
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
871 problem.device)
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
872 expect_problems.setdefault(problem.bare_jid, set()).add(
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
873 problem.device)
2860
851c47cc4ae7 plugin XEP-0384: handle NoEligibleDevicesException
Goffi <goffi@goffi.org>
parents: 2859
diff changeset
874 elif isinstance(problem, omemo_excpt.NoEligibleDevicesException):
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
875 if undecided or found_bundles:
2860
851c47cc4ae7 plugin XEP-0384: handle NoEligibleDevicesException
Goffi <goffi@goffi.org>
parents: 2859
diff changeset
876 # we may have new devices after this run, so let's continue for now
851c47cc4ae7 plugin XEP-0384: handle NoEligibleDevicesException
Goffi <goffi@goffi.org>
parents: 2859
diff changeset
877 continue
851c47cc4ae7 plugin XEP-0384: handle NoEligibleDevicesException
Goffi <goffi@goffi.org>
parents: 2859
diff changeset
878 else:
851c47cc4ae7 plugin XEP-0384: handle NoEligibleDevicesException
Goffi <goffi@goffi.org>
parents: 2859
diff changeset
879 raise problem
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
880 else:
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
881 raise problem
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
882
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
883 for peer_jid, devices in missing_bundles.items():
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
884 devices_s = [str(d) for d in devices]
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
885 log.warning(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
886 _("Can't retrieve bundle for device(s) {devices} of entity {peer}, "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
887 "the message will not be readable on this/those device(s)").format(
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
888 devices=", ".join(devices_s), peer=peer_jid.full()))
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
889 client.feedback(
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
890 feedback_jid,
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
891 D_("You're destinee {peer} has missing encryption data on some of "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
892 "his/her device(s) (bundle on device {devices}), the message won't "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
893 "be readable on this/those device.").format(
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
894 peer=peer_jid.full(), devices=", ".join(devices_s)))
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
895
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
896 if undecided:
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
897 trust_data = {}
3085
c048fc192739 plugin XEP-0384: update to latest python-omemo + better trust management:
Goffi <goffi@goffi.org>
parents: 3084
diff changeset
898 for trust_id, data in undecided.items():
2744
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
899 trust_data[trust_id] = {
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
900 'jid': jid.JID(data.bare_jid),
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
901 'device': data.device,
e6716d90c2fe plugin XEP-0384: various bug fixes:
Goffi <goffi@goffi.org>
parents: 2738
diff changeset
902 'ik': data.ik}
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
903
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
904 user_msg = D_("Not all destination devices are trusted, we can't encrypt "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
905 "message in such a situation. Please indicate if you trust "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
906 "those devices or not in the trust manager before we can "
2757
1f612547fb2e plugin XEP-0384: give feedback to user when trust must be handled before sending a message
Goffi <goffi@goffi.org>
parents: 2754
diff changeset
907 "send this message")
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
908 client.feedback(feedback_jid, user_msg)
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
909 xmlui = yield self.getTrustUI(client, trust_data=trust_data, submit_id="")
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
910
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
911 answer = yield xml_tools.deferXMLUI(
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
912 self.host,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
913 xmlui,
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
914 action_extra={
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
915 "meta_encryption_trust": NS_OMEMO,
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
916 },
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
917 profile=client.profile)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
918 yield self.trustUICb(answer, trust_data, expect_problems, client.profile)
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
919
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
920 @defer.inlineCallbacks
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
921 def encryptMessage(self, client, entity_bare_jids, message, feedback_jid=None):
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
922 if feedback_jid is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
923 if len(entity_bare_jids) != 1:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
924 log.error(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
925 "feedback_jid must be provided when message is encrypted for more "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
926 "than one entities")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
927 feedback_jid = entity_bare_jids[0]
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
928 omemo_session = client._xep_0384_session
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
929 expect_problems = {}
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
930 bundles = {}
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
931 loop_idx = 0
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
932 try:
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
933 while True:
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
934 if loop_idx > 10:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
935 msg = _("Too many iterations in encryption loop")
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
936 log.error(msg)
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
937 raise exceptions.InternalError(msg)
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
938 # encryptMessage may fail, in case of e.g. trust issue or missing bundle
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
939 try:
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
940 encrypted = yield omemo_session.encryptMessage(
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
941 entity_bare_jids,
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
942 message,
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
943 bundles,
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
944 expect_problems = expect_problems)
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
945 except omemo_excpt.EncryptionProblemsException as e:
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
946 # we know the problem to solve, we can try to fix them
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
947 yield self.handleProblems(
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
948 client,
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
949 feedback_jid=feedback_jid,
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
950 bundles=bundles,
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
951 expect_problems=expect_problems,
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
952 problems=e.problems)
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
953 loop_idx += 1
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
954 else:
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
955 break
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
956 except Exception as e:
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
957 msg = _("Can't encrypt message for {entities}: {reason}".format(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
958 entities=', '.join(e.full() for e in entity_bare_jids), reason=e))
2859
4e875d9eea48 plugin XEP-0384: give feedback to client when encryption failed
Goffi <goffi@goffi.org>
parents: 2858
diff changeset
959 log.warning(msg)
4e875d9eea48 plugin XEP-0384: give feedback to client when encryption failed
Goffi <goffi@goffi.org>
parents: 2858
diff changeset
960 extra = {C.MESS_EXTRA_INFO: C.EXTRA_INFO_ENCR_ERR}
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
961 client.feedback(feedback_jid, msg, extra)
2858
31a5038cdf79 plugin XEP-0384: small refactoring to encrypt messages + bugfix:
Goffi <goffi@goffi.org>
parents: 2857
diff changeset
962 raise e
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
963
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
964 defer.returnValue(encrypted)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
965
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
966 @defer.inlineCallbacks
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
967 def _messageReceivedTrigger(self, client, message_elt, post_treat):
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
968 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
969 encrypted_elt = next(message_elt.elements(NS_OMEMO, "encrypted"))
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
970 except StopIteration:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
971 # no OMEMO message here
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
972 defer.returnValue(True)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
973
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
974 # we have an encrypted message let's decrypt it
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
975
2654
e7bfbded652a plugin XEP-0384, install: adapted plugin to omemo module changes + added omemo module to dependencies:
Goffi <goffi@goffi.org>
parents: 2648
diff changeset
976 from_jid = jid.JID(message_elt['from'])
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
977
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
978 if message_elt.getAttribute("type") == C.MESS_TYPE_GROUPCHAT:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
979 # with group chat, we must get the real jid for decryption
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
980 # and use the room as feedback_jid
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
981
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
982 if self._m is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
983 # plugin XEP-0045 (MUC) is not available
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
984 defer.returnValue(True)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
985
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
986 room_jid = from_jid.userhostJID()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
987 feedback_jid = room_jid
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
988 if self._sid is not None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
989 mess_id = self._sid.getOriginId(message_elt)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
990 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
991 mess_id = None
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
992
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
993 if mess_id is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
994 mess_id = message_elt.getAttribute('id')
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
995 cache_key = (room_jid, mess_id)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
996
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
997 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
998 room = self._m.getRoom(client, room_jid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
999 except exceptions.NotFound:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1000 log.warning(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1001 f"Received an OMEMO encrypted msg from a room {room_jid} which has "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1002 f"not been joined, ignoring")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1003 defer.returnValue(True)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1004
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1005 user = room.getUser(from_jid.resource)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1006 if user is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1007 log.warning(f"Can't find user {user} in room {room_jid}, ignoring")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1008 defer.returnValue(True)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1009 if not user.entity:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1010 log.warning(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1011 f"Real entity of user {user} in room {room_jid} can't be established,"
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1012 f" OMEMO encrypted message can't be decrypted")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1013 defer.returnValue(True)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1014
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1015 # now we have real jid of the entity, we use it instead of from_jid
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1016 from_jid = user.entity.userhostJID()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1017
2817
0ab62dd3cf05 plugin XEP-0384: better bundle handling + misc improvments
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
1018 else:
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1019 # we have a one2one message, we can user "from" and "to" normally
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1020
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1021 if from_jid.userhostJID() == client.jid.userhostJID():
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1022 feedback_jid = jid.JID(message_elt['to'])
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1023 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1024 feedback_jid = from_jid
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1025
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1026
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1027 if (message_elt.getAttribute("type") == C.MESS_TYPE_GROUPCHAT
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1028 and mess_id is not None
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1029 and cache_key in client._xep_0384_muc_cache):
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1030 plaintext = client._xep_0384_muc_cache.pop(cache_key)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1031 if not client._xep_0384_muc_cache:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1032 client._xep_0384_muc_cache_timer.cancel()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1033 client._xep_0384_muc_cache_timer = None
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1034 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1035 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1036 omemo_session = client._xep_0384_session
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1037 except AttributeError:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1038 # on startup, message can ve received before session actually exists
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1039 # so we need to synchronise here
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1040 yield client._xep_0384_ready
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1041 omemo_session = client._xep_0384_session
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
1042
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1043 device_id = client._xep_0384_device_id
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1044 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1045 header_elt = next(encrypted_elt.elements(NS_OMEMO, 'header'))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1046 iv_elt = next(header_elt.elements(NS_OMEMO, 'iv'))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1047 except StopIteration:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1048 log.warning(_("Invalid OMEMO encrypted stanza, ignoring: {xml}")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1049 .format(xml=message_elt.toXml()))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1050 defer.returnValue(False)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1051 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1052 s_device_id = header_elt['sid']
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1053 except KeyError:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1054 log.warning(_("Invalid OMEMO encrypted stanza, missing sender device ID, "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1055 "ignoring: {xml}")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1056 .format(xml=message_elt.toXml()))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1057 defer.returnValue(False)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1058 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1059 key_elt = next((e for e in header_elt.elements(NS_OMEMO, 'key')
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1060 if int(e['rid']) == device_id))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1061 except StopIteration:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1062 log.warning(_("This OMEMO encrypted stanza has not been encrypted "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1063 "for our device (device_id: {device_id}, fingerprint: "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1064 "{fingerprint}): {xml}").format(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1065 device_id=device_id,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1066 fingerprint=omemo_session.public_bundle.ik.hex().upper(),
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1067 xml=encrypted_elt.toXml()))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1068 user_msg = (D_("An OMEMO message from {sender} has not been encrypted for "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1069 "our device, we can't decrypt it").format(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1070 sender=from_jid.full()))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1071 extra = {C.MESS_EXTRA_INFO: C.EXTRA_INFO_DECR_ERR}
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1072 client.feedback(feedback_jid, user_msg, extra)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1073 defer.returnValue(False)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1074 except ValueError as e:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1075 log.warning(_("Invalid recipient ID: {msg}".format(msg=e)))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1076 defer.returnValue(False)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1077 is_pre_key = C.bool(key_elt.getAttribute('prekey', 'false'))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1078 payload_elt = next(encrypted_elt.elements(NS_OMEMO, 'payload'), None)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1079 additional_information = {
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1080 "from_storage": bool(message_elt.delay)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1081 }
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1082
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1083 kwargs = {
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1084 "bare_jid": from_jid.userhostJID(),
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1085 "device": s_device_id,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1086 "iv": base64.b64decode(bytes(iv_elt)),
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1087 "message": base64.b64decode(bytes(key_elt)),
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1088 "is_pre_key_message": is_pre_key,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1089 "ciphertext": base64.b64decode(bytes(payload_elt))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1090 if payload_elt is not None else None,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1091 "additional_information": additional_information,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1092 }
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1093
2738
eb58f26ed236 plugin XEP-0384: update to last python-omemo + trust management:
Goffi <goffi@goffi.org>
parents: 2662
diff changeset
1094 try:
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1095 try:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1096 plaintext = yield omemo_session.decryptMessage(**kwargs)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1097 except omemo_excpt.TrustException:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1098 post_treat.addCallback(client.encryption.markAsUntrusted)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1099 kwargs['allow_untrusted'] = True
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1100 plaintext = yield omemo_session.decryptMessage(**kwargs)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1101 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1102 post_treat.addCallback(client.encryption.markAsTrusted)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1103 plaintext = plaintext.decode()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1104 except Exception as e:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1105 log.warning(_("Can't decrypt message: {reason}\n{xml}").format(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1106 reason=e, xml=message_elt.toXml()))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1107 user_msg = (D_(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1108 "An OMEMO message from {sender} can't be decrypted: {reason}")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1109 .format(sender=from_jid.full(), reason=e))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1110 extra = {C.MESS_EXTRA_INFO: C.EXTRA_INFO_DECR_ERR}
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1111 client.feedback(feedback_jid, user_msg, extra)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1112 defer.returnValue(False)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1113 finally:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1114 if omemo_session.republish_bundle:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1115 # we don't wait for the Deferred (i.e. no yield) on purpose
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1116 # there is no need to block the whole message workflow while
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1117 # updating the bundle
3214
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
1118 defer.ensureDeferred(
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
1119 self.setBundle(client, omemo_session.public_bundle, device_id)
8d92d4d829fb plugin XEP-0384: use "max_items=1" for devices and bundles nodes:
Goffi <goffi@goffi.org>
parents: 3172
diff changeset
1120 )
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1121
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1122 message_elt.children.remove(encrypted_elt)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1123 if plaintext:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
1124 message_elt.addElement("body", content=plaintext)
2662
0bef44f8e8ca plugin XEP-0384: PEP handling + mark as encrypted:
Goffi <goffi@goffi.org>
parents: 2654
diff changeset
1125 post_treat.addCallback(client.encryption.markAsEncrypted)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1126 defer.returnValue(True)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1127
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1128 def getJIDsForRoom(self, client, room_jid):
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1129 if self._m is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1130 exceptions.InternalError("XEP-0045 plugin missing, can't encrypt for group chat")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1131 room = self._m.getRoom(client, room_jid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1132 return [u.entity.userhostJID() for u in room.roster.values()]
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1133
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1134 def _expireMUCCache(self, client):
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1135 client._xep_0384_muc_cache_timer = None
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1136 for (room_jid, uid), msg in client._xep_0384_muc_cache.items():
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1137 client.feedback(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1138 room_jid,
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1139 D_("Our message with UID {uid} has not been received in time, it has "
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1140 "probably been lost. The message was: {msg!r}").format(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1141 uid=uid, msg=str(msg)))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1142
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1143 client._xep_0384_muc_cache.clear()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1144 log.warning("Cache for OMEMO MUC has expired")
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1145
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1146 @defer.inlineCallbacks
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1147 def _sendMessageDataTrigger(self, client, mess_data):
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1148 encryption = mess_data.get(C.MESS_KEY_ENCRYPTION)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1149 if encryption is None or encryption['plugin'].namespace != NS_OMEMO:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1150 return
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1151 message_elt = mess_data["xml"]
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1152 if mess_data['type'] == C.MESS_TYPE_GROUPCHAT:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1153 feedback_jid = room_jid = mess_data['to']
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1154 to_jids = self.getJIDsForRoom(client, room_jid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1155 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1156 feedback_jid = to_jid = mess_data["to"].userhostJID()
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1157 to_jids = [to_jid]
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
1158 log.debug("encrypting message")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1159 body = None
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1160 for child in list(message_elt.children):
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1161 if child.name == "body":
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1162 # we remove all unencrypted body,
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1163 # and will only encrypt the first one
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1164 if body is None:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1165 body = child
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1166 message_elt.children.remove(child)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1167 elif child.name == "html":
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1168 # we don't want any XHTML-IM element
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1169 message_elt.children.remove(child)
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1170
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1171 if body is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
1172 log.warning("No message found")
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1173 return
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1174
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1175 body = str(body)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1176
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1177 if mess_data['type'] == C.MESS_TYPE_GROUPCHAT:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1178 key = (room_jid, mess_data['uid'])
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1179 # XXX: we can't encrypt message for our own device for security reason
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1180 # so we keep the plain text version in cache until we receive the
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1181 # message. We don't send it directly to bridge to keep a workflow
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1182 # similar to plain text MUC, so when we see it in frontend we know
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1183 # that it has been sent correctly.
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1184 client._xep_0384_muc_cache[key] = body
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1185 timer = client._xep_0384_muc_cache_timer
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1186 if timer is None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1187 client._xep_0384_muc_cache_timer = reactor.callLater(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1188 MUC_CACHE_TTL, self._expireMUCCache, client)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1189 else:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1190 timer.reset(MUC_CACHE_TTL)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1191 # we use origin-id when possible, to identifiy the message in a stable way
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1192 if self._sid is not None:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1193 self._sid.addOriginId(message_elt, mess_data['uid'])
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1194
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1195 encryption_data = yield self.encryptMessage(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1196 client, to_jids, body, feedback_jid=feedback_jid)
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1197
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1198 encrypted_elt = message_elt.addElement((NS_OMEMO, 'encrypted'))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1199 header_elt = encrypted_elt.addElement('header')
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2925
diff changeset
1200 header_elt['sid'] = str(encryption_data['sid'])
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1201
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1202 for to_jid in to_jids:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1203 bare_jid_s = to_jid.userhost()
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1204
3104
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1205 for rid, data in encryption_data['keys'][bare_jid_s].items():
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1206 key_elt = header_elt.addElement(
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1207 'key',
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1208 content=b64enc(data['data']))
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1209 key_elt['rid'] = str(rid)
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1210 if data['pre_key']:
118d91c932a7 plugin XEP-0384: OMEMO for MUC implementation:
Goffi <goffi@goffi.org>
parents: 3098
diff changeset
1211 key_elt['prekey'] = 'true'
2648
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1212
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1213 header_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1214 'iv',
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1215 content=b64enc(encryption_data['iv']))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1216 try:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1217 encrypted_elt.addElement(
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1218 'payload',
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1219 content=b64enc(encryption_data['payload']))
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1220 except KeyError:
0f76813afc57 plugin XEP-0384: OMEMO implementation first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
1221 pass