annotate libervia/backend/plugins/plugin_xep_0374.py @ 4196:8b673bb307c1

plugin XEP-0045: avoir crash if `subject` is not set when `_get_room_joined_args` is called.
author Goffi <goffi@goffi.org>
date Wed, 13 Dec 2023 22:00:25 +0100
parents 7c5654c54fed
children 0d7bb4df2343
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cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for OpenPGP for XMPP Instant Messaging
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4 # Copyright (C) 2022-2022 Tim Henkes (me@syndace.dev)
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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
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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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
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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19 from typing import Dict, Optional, Set, cast
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20
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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21 from typing_extensions import Final
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22 from wokkel import muc # type: ignore[import]
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23
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24 from libervia.backend.core import exceptions
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25 from libervia.backend.core.constants import Const as C
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26 from libervia.backend.core.core_types import SatXMPPEntity
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27 from libervia.backend.core.i18n import _, D_
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28 from libervia.backend.core.log import getLogger, Logger
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29 from libervia.backend.core.main import LiberviaBackend
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30 from libervia.backend.core.xmpp import SatXMPPClient
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31 from libervia.backend.plugins.plugin_xep_0045 import XEP_0045
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32 from libervia.backend.plugins.plugin_xep_0334 import XEP_0334
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33 from libervia.backend.plugins.plugin_xep_0373 import NS_OX, XEP_0373, TrustLevel
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34 from libervia.backend.tools import xml_tools
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35 from twisted.internet import defer
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36 from twisted.words.protocols.jabber import jid
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37 from twisted.words.xish import domish
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38
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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39
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40 __all__ = [ # pylint: disable=unused-variable
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41 "PLUGIN_INFO",
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42 "XEP_0374",
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43 "NS_OXIM"
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44 ]
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cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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47 log = cast(Logger, getLogger(__name__)) # type: ignore[no-untyped-call]
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cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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49
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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50 PLUGIN_INFO = {
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51 C.PI_NAME: "OXIM",
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52 C.PI_IMPORT_NAME: "XEP-0374",
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53 C.PI_TYPE: "SEC",
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54 C.PI_PROTOCOLS: [ "XEP-0374" ],
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55 C.PI_DEPENDENCIES: [ "XEP-0334", "XEP-0373" ],
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56 C.PI_RECOMMENDATIONS: [ "XEP-0045" ],
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57 C.PI_MAIN: "XEP_0374",
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58 C.PI_HANDLER: "no",
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59 C.PI_DESCRIPTION: _("""Implementation of OXIM"""),
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60 }
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61
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62
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63 # The disco feature
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64 NS_OXIM: Final = "urn:xmpp:openpgp:im:0"
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65
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66
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67 class XEP_0374:
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68 """
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69 Plugin equipping Libervia with OXIM capabilities under the ``urn:xmpp:openpgp:im:0``
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70 namespace. MUC messages are supported next to one to one messages. For trust
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71 management, the two trust models "BTBV" and "manual" are supported.
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72 """
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73
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74 def __init__(self, sat: LiberviaBackend) -> None:
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75 """
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76 @param sat: The SAT instance.
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77 """
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78
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79 self.__sat = sat
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80
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81 # Plugins
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82 self.__xep_0045 = cast(Optional[XEP_0045], sat.plugins.get("XEP-0045"))
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83 self.__xep_0334 = cast(XEP_0334, sat.plugins["XEP-0334"])
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84 self.__xep_0373 = cast(XEP_0373, sat.plugins["XEP-0373"])
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85
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86 # Triggers
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87 sat.trigger.add(
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88 "message_received",
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89 self.__message_received_trigger,
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90 priority=100050
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91 )
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92 sat.trigger.add("send", self.__send_trigger, priority=0)
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93
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94 # Register the encryption plugin
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95 sat.register_encryption_plugin(self, "OXIM", NS_OX, 102)
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96
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97 async def get_trust_ui( # pylint: disable=invalid-name
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98 self,
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99 client: SatXMPPClient,
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100 entity: jid.JID
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101 ) -> xml_tools.XMLUI:
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102 """
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103 @param client: The client.
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104 @param entity: The entity whose device trust levels to manage.
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105 @return: An XMLUI instance which opens a form to manage the trust level of all
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106 devices belonging to the entity.
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107 """
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108
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109 return await self.__xep_0373.get_trust_ui(client, entity)
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110
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111 @staticmethod
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112 def __get_joined_muc_users(
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113 client: SatXMPPClient,
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114 xep_0045: XEP_0045,
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115 room_jid: jid.JID
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116 ) -> Set[jid.JID]:
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117 """
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118 @param client: The client.
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119 @param xep_0045: A MUC plugin instance.
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120 @param room_jid: The room JID.
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121 @return: A set containing the bare JIDs of the MUC participants.
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122 @raise InternalError: if the MUC is not joined or the entity information of a
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123 participant isn't available.
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124 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
125
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
126 bare_jids: Set[jid.JID] = set()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
127
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
128 try:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
129 room = cast(muc.Room, xep_0045.get_room(client, room_jid))
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
130 except exceptions.NotFound as e:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
131 raise exceptions.InternalError(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
132 "Participant list of unjoined MUC requested."
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
133 ) from e
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
134
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
135 for user in cast(Dict[str, muc.User], room.roster).values():
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
136 entity = cast(Optional[SatXMPPEntity], user.entity)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
137 if entity is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
138 raise exceptions.InternalError(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
139 f"Participant list of MUC requested, but the entity information of"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
140 f" the participant {user} is not available."
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
141 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
142
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
143 bare_jids.add(entity.jid.userhostJID())
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
144
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
145 return bare_jids
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
146
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
147 async def __message_received_trigger(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
148 self,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
149 client: SatXMPPClient,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
150 message_elt: domish.Element,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
151 post_treat: defer.Deferred
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
152 ) -> bool:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
153 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
154 @param client: The client which received the message.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
155 @param message_elt: The message element. Can be modified.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
156 @param post_treat: A deferred which evaluates to a :class:`MessageData` once the
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
157 message has fully progressed through the message receiving flow. Can be used
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
158 to apply treatments to the fully processed message, like marking it as
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
159 encrypted.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
160 @return: Whether to continue the message received flow.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
161 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
162 sender_jid = jid.JID(message_elt["from"])
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
163 feedback_jid: jid.JID
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
164
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
165 message_type = message_elt.getAttribute("type", "unknown")
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
166 is_muc_message = message_type == C.MESS_TYPE_GROUPCHAT
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
167 if is_muc_message:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
168 if self.__xep_0045 is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
169 log.warning(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
170 "Ignoring MUC message since plugin XEP-0045 is not available."
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
171 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
172 # Can't handle a MUC message without XEP-0045, let the flow continue
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
173 # normally
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
174 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
175
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
176 room_jid = feedback_jid = sender_jid.userhostJID()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
177
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
178 try:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
179 room = cast(muc.Room, self.__xep_0045.get_room(client, room_jid))
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
180 except exceptions.NotFound:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
181 log.warning(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
182 f"Ignoring MUC message from a room that has not been joined:"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
183 f" {room_jid}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
184 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
185 # Whatever, let the flow continue
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
186 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
187
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
188 sender_user = cast(Optional[muc.User], room.getUser(sender_jid.resource))
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
189 if sender_user is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
190 log.warning(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
191 f"Ignoring MUC message from room {room_jid} since the sender's user"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
192 f" wasn't found {sender_jid.resource}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
193 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
194 # Whatever, let the flow continue
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
195 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
196
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
197 sender_user_jid = cast(Optional[jid.JID], sender_user.entity)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
198 if sender_user_jid is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
199 log.warning(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
200 f"Ignoring MUC message from room {room_jid} since the sender's bare"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
201 f" JID couldn't be found from its user information: {sender_user}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
202 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
203 # Whatever, let the flow continue
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
204 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
205
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
206 sender_jid = sender_user_jid
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
207 else:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
208 # I'm not sure why this check is required, this code is copied from XEP-0384
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
209 if sender_jid.userhostJID() == client.jid.userhostJID():
3944
748094d5a74d plugin XEP-0374, XEP-0384: handle cases where "to" is not set in <message> for `feedback_jid`
Goffi <goffi@goffi.org>
parents: 3935
diff changeset
210 try:
748094d5a74d plugin XEP-0374, XEP-0384: handle cases where "to" is not set in <message> for `feedback_jid`
Goffi <goffi@goffi.org>
parents: 3935
diff changeset
211 feedback_jid = jid.JID(message_elt["to"])
748094d5a74d plugin XEP-0374, XEP-0384: handle cases where "to" is not set in <message> for `feedback_jid`
Goffi <goffi@goffi.org>
parents: 3935
diff changeset
212 except KeyError:
748094d5a74d plugin XEP-0374, XEP-0384: handle cases where "to" is not set in <message> for `feedback_jid`
Goffi <goffi@goffi.org>
parents: 3935
diff changeset
213 feedback_jid = client.server_jid
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
214 else:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
215 feedback_jid = sender_jid
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
216
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
217 sender_bare_jid = sender_jid.userhost()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
218
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
219 openpgp_elt = cast(Optional[domish.Element], next(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
220 message_elt.elements(NS_OX, "openpgp"),
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
221 None
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
222 ))
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
223
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
224 if openpgp_elt is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
225 # None of our business, let the flow continue
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
226 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
227
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
228 try:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
229 payload_elt, timestamp = await self.__xep_0373.unpack_openpgp_element(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
230 client,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
231 openpgp_elt,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
232 "signcrypt",
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
233 jid.JID(sender_bare_jid)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
234 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
235 except Exception as e:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
236 # TODO: More specific exception handling
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
237 log.warning(_("Can't decrypt message: {reason}\n{xml}").format(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
238 reason=e,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
239 xml=message_elt.toXml()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
240 ))
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
241 client.feedback(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
242 feedback_jid,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
243 D_(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
244 f"An OXIM message from {sender_jid.full()} can't be decrypted:"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
245 f" {e}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
246 ),
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
247 { C.MESS_EXTRA_INFO: C.EXTRA_INFO_DECR_ERR }
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
248 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
249 # No point in further processing this message
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
250 return False
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
251
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
252 message_elt.children.remove(openpgp_elt)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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253
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
254 log.debug(f"OXIM message of type {message_type} received from {sender_bare_jid}")
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
255
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
256 # Remove all body elements from the original element, since those act as
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
257 # fallbacks in case the encryption protocol is not supported
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
258 for child in message_elt.elements():
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
259 if child.name == "body":
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
260 message_elt.children.remove(child)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
261
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
262 # Move all extension elements from the payload to the stanza root
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
263 # TODO: There should probably be explicitly forbidden elements here too, just as
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
264 # for XEP-0420
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
265 for child in list(payload_elt.elements()):
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
266 # Remove the child from the content element
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
267 payload_elt.children.remove(child)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
268
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
269 # Add the child to the stanza
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
270 message_elt.addChild(child)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
271
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
272 # Mark the message as trusted or untrusted. Undecided counts as untrusted here.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
273 trust_level = TrustLevel.UNDECIDED # TODO: Load the actual trust level
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
274 if trust_level is TrustLevel.TRUSTED:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
275 post_treat.addCallback(client.encryption.mark_as_trusted)
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
276 else:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
277 post_treat.addCallback(client.encryption.mark_as_untrusted)
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
278
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
279 # Mark the message as originally encrypted
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
280 post_treat.addCallback(
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
281 client.encryption.mark_as_encrypted,
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
282 namespace=NS_OX
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
283 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
284
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
285 # Message processed successfully, continue with the flow
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
286 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
287
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
288 async def __send_trigger(self, client: SatXMPPClient, stanza: domish.Element) -> bool:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
289 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
290 @param client: The client sending this message.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
291 @param stanza: The stanza that is about to be sent. Can be modified.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
292 @return: Whether the send message flow should continue or not.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
293 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
294 # OXIM only handles message stanzas
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
295 if stanza.name != "message":
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
296 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
297
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
298 # Get the intended recipient
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
299 recipient = stanza.getAttribute("to", None)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
300 if recipient is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
301 raise exceptions.InternalError(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
302 f"Message without recipient encountered. Blocking further processing to"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
303 f" avoid leaking plaintext data: {stanza.toXml()}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
304 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
305
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
306 # Parse the JID
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
307 recipient_bare_jid = jid.JID(recipient).userhostJID()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
308
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
309 # Check whether encryption with OXIM is requested
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
310 encryption = client.encryption.getSession(recipient_bare_jid)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
311
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
312 if encryption is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
313 # Encryption is not requested for this recipient
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
314 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
315
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
316 if encryption["plugin"].namespace != NS_OX:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
317 # Encryption is requested for this recipient, but not with OXIM
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
318 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
319
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
320 # All pre-checks done, we can start encrypting!
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
321 await self.__encrypt(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
322 client,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
323 stanza,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
324 recipient_bare_jid,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
325 stanza.getAttribute("type", "unkown") == C.MESS_TYPE_GROUPCHAT
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
326 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
327
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
328 # Add a store hint if this is a message stanza
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3967
diff changeset
329 self.__xep_0334.add_hint_elements(stanza, [ "store" ])
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
330
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
331 # Let the flow continue.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
332 return True
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
333
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
334 async def __encrypt(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
335 self,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
336 client: SatXMPPClient,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
337 stanza: domish.Element,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
338 recipient_jid: jid.JID,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
339 is_muc_message: bool
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
340 ) -> None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
341 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
342 @param client: The client.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
343 @param stanza: The stanza, which is modified by this call.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
344 @param recipient_jid: The JID of the recipient. Can be a bare (aka "userhost") JID
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
345 but doesn't have to.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
346 @param is_muc_message: Whether the stanza is a message stanza to a MUC room.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
347
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
348 @warning: The calling code MUST take care of adding the store message processing
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
349 hint to the stanza if applicable! This can be done before or after this call,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
350 the order doesn't matter.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
351 """
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
352
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
353 recipient_bare_jids: Set[jid.JID]
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
354 feedback_jid: jid.JID
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
355
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
356 if is_muc_message:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
357 if self.__xep_0045 is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
358 raise exceptions.InternalError(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
359 "Encryption of MUC message requested, but plugin XEP-0045 is not"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
360 " available."
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
361 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
362
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
363 room_jid = feedback_jid = recipient_jid.userhostJID()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
364
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
365 recipient_bare_jids = self.__get_joined_muc_users(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
366 client,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
367 self.__xep_0045,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
368 room_jid
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
369 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
370 else:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
371 recipient_bare_jids = { recipient_jid.userhostJID() }
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
372 feedback_jid = recipient_jid.userhostJID()
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
373
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
374 log.debug(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
375 f"Intercepting message that is to be encrypted by {NS_OX} for"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
376 f" {recipient_bare_jids}"
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
377 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
378
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
379 signcrypt_elt, payload_elt = \
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
380 self.__xep_0373.build_signcrypt_element(recipient_bare_jids)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
381
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
382 # Move elements from the stanza to the content element.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
383 # TODO: There should probably be explicitly forbidden elements here too, just as
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
384 # for XEP-0420
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
385 for child in list(stanza.elements()):
3935
80d29f55ba8b plugin XEP-0374: exluce `openpgp` element from XEP-0373 on send trigger:
Goffi <goffi@goffi.org>
parents: 3933
diff changeset
386 if child.name == "openpgp" and child.uri == NS_OX:
80d29f55ba8b plugin XEP-0374: exluce `openpgp` element from XEP-0373 on send trigger:
Goffi <goffi@goffi.org>
parents: 3933
diff changeset
387 log.debug("not re-encrypting encrypted OX element")
80d29f55ba8b plugin XEP-0374: exluce `openpgp` element from XEP-0373 on send trigger:
Goffi <goffi@goffi.org>
parents: 3933
diff changeset
388 continue
3933
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
389 # Remove the child from the stanza
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
390 stanza.children.remove(child)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
391
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
392 # A namespace of ``None`` can be used on domish elements to inherit the
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
393 # namespace from the parent. When moving elements from the stanza root to
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
394 # the content element, however, we don't want elements to inherit the
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
395 # namespace of the content element. Thus, check for elements with ``None``
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
396 # for their namespace and set the namespace to jabber:client, which is the
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
397 # namespace of the parent element.
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
398 if child.uri is None:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
399 child.uri = C.NS_CLIENT
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
400 child.defaultUri = C.NS_CLIENT
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
401
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
402 # Add the child with corrected namespaces to the content element
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
403 payload_elt.addChild(child)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
404
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
405 try:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
406 openpgp_elt = await self.__xep_0373.build_openpgp_element(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
407 client,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
408 signcrypt_elt,
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
409 recipient_bare_jids
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
410 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
411 except Exception as e:
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
412 msg = _(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
413 # pylint: disable=consider-using-f-string
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
414 "Can't encrypt message for {entities}: {reason}".format(
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
415 entities=', '.join(jid.userhost() for jid in recipient_bare_jids),
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
416 reason=e
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
417 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
418 )
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
419 log.warning(msg)
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
420 client.feedback(feedback_jid, msg, {
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
421 C.MESS_EXTRA_INFO: C.EXTRA_INFO_ENCR_ERR
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
422 })
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
423 raise e
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
424
cecf45416403 plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff changeset
425 stanza.addChild(openpgp_elt)