Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0391.py @ 4225:cd889f4771cb

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cli (file/receive): handle `CONFIRM` dialog received in pre-flight.
author Goffi <goffi@goffi.org>
date Tue, 05 Mar 2024 17:31:56 +0100
parents 919bdf7768d8
children e11b13418ba6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3969
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/env python3
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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2
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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3 # Libervia plugin for Jingle Encrypted Transports
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
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4 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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5
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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6 # This program is free software: you can redistribute it and/or modify
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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7 # it under the terms of the GNU Affero General Public License as published by
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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8 # the Free Software Foundation, either version 3 of the License, or
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # (at your option) any later version.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
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10
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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11 # This program is distributed in the hope that it will be useful,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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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
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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14 # GNU Affero General Public License for more details.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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15
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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16 # You should have received a copy of the GNU Affero General Public License
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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18
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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19 from base64 import b64encode
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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20 from functools import partial
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21 import io
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22 from typing import Any, Callable, Dict, List, Optional, Tuple, Union
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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23
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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24 from twisted.words.protocols.jabber import error, jid, xmlstream
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25 from twisted.words.xish import domish
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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26 from wokkel import disco, iwokkel
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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27 from zope.interface import implementer
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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28 from cryptography.exceptions import AlreadyFinalized
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
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29 from cryptography.hazmat import backends
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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30 from cryptography.hazmat.primitives import ciphers
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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31 from cryptography.hazmat.primitives.ciphers import Cipher, CipherContext, modes
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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32 from cryptography.hazmat.primitives.padding import PKCS7, PaddingContext
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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33
4071
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34 from libervia.backend.core import exceptions
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35 from libervia.backend.core.constants import Const as C
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36 from libervia.backend.core.core_types import SatXMPPEntity
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37 from libervia.backend.core.i18n import _
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38 from libervia.backend.core.log import getLogger
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39 from libervia.backend.tools import xml_tools
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8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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40
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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41 try:
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42 import oldmemo
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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43 import oldmemo.etree
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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44 except ImportError as import_error:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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45 raise exceptions.MissingModule(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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46 "You are missing one or more package required by the OMEMO plugin. Please"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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47 " download/install the pip packages 'oldmemo'."
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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48 ) from import_error
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49
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50
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51 log = getLogger(__name__)
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52
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53 IMPORT_NAME = "XEP-0391"
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54
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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55 PLUGIN_INFO = {
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56 C.PI_NAME: "Jingle Encrypted Transports",
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57 C.PI_IMPORT_NAME: IMPORT_NAME,
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58 C.PI_TYPE: C.PLUG_TYPE_XEP,
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59 C.PI_MODES: C.PLUG_MODE_BOTH,
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60 C.PI_PROTOCOLS: ["XEP-0391", "XEP-0396"],
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61 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0384"],
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62 C.PI_MAIN: "JET",
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63 C.PI_HANDLER: "yes",
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64 C.PI_DESCRIPTION: _("""End-to-end encryption of Jingle transports"""),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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65 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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66
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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67 NS_JET = "urn:xmpp:jingle:jet:0"
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68 NS_JET_OMEMO = "urn:xmpp:jingle:jet-omemo:0"
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69
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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70
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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71 class JET:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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72 namespace = NS_JET
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73
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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74 def __init__(self, host):
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75 log.info(_("XEP-0391 (Pubsub Attachments) plugin initialization"))
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76 host.register_namespace("jet", NS_JET)
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77 self.host = host
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78 self._o = host.plugins["XEP-0384"]
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79 self._j = host.plugins["XEP-0166"]
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80 host.trigger.add(
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81 "XEP-0166_initiate_elt_built",
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82 self._on_initiate_elt_build
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83 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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84 host.trigger.add(
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85 "XEP-0166_on_session_initiate",
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86 self._on_session_initiate
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87 )
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parents:
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88 host.trigger.add(
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89 "XEP-0234_jingle_handler",
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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90 self._add_encryption_filter
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91 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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92 host.trigger.add(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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93 "XEP-0234_file_receiving_request_conf",
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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94 self._add_encryption_filter
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95 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
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96
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97 def get_handler(self, client):
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98 return JET_Handler()
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99
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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parents:
diff changeset
100 async def _on_initiate_elt_build(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
101 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
102 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
103 session: Dict[str, Any],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
104 iq_elt: domish.Element,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
105 jingle_elt: domish.Element
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
106 ) -> bool:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
107 if client.encryption.get_namespace(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
108 session["peer_jid"].userhostJID()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
109 ) != self._o.NS_OLDMEMO:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
110 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
111 for content_elt in jingle_elt.elements(self._j.namespace, "content"):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
112 content_data = session["contents"][content_elt["name"]]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
113 security_elt = content_elt.addElement((NS_JET, "security"))
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
114 security_elt["name"] = content_elt["name"]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
115 # XXX: for now only OLDMEMO is supported, thus we do it directly here. If some
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
116 # other are supported in the future, a plugin registering mechanism will be
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
117 # implemented.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
118 cipher = "urn:xmpp:ciphers:aes-128-gcm-nopadding"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
119 enc_type = "eu.siacs.conversations.axolotl"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
120 security_elt["cipher"] = cipher
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
121 security_elt["type"] = enc_type
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
122 encryption_data = content_data["encryption"] = {
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
123 "cipher": cipher,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
124 "type": enc_type
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
125 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
126 session_manager = await self._o.get_session_manager(client.profile)
4219
1b5cf2ee1d86 plugin XEP-0384, XEP-0391: download missing devices list:
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
127 await self._o.download_missing_device_lists(
1b5cf2ee1d86 plugin XEP-0384, XEP-0391: download missing devices list:
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
128 client, self._o.NS_OLDMEMO, {session["peer_jid"]}, session_manager
1b5cf2ee1d86 plugin XEP-0384, XEP-0391: download missing devices list:
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
129 )
3969
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
130 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
131 messages, encryption_errors = await session_manager.encrypt(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
132 frozenset({session["peer_jid"].userhost()}),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
133 # the value seems to be the commonly used value
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
134 { self._o.NS_OLDMEMO: b" " },
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
135 backend_priority_order=[ self._o.NS_OLDMEMO ],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
136 identifier = client.jid.userhost()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
137 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
138 except Exception as e:
4219
1b5cf2ee1d86 plugin XEP-0384, XEP-0391: download missing devices list:
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
139 log.exception("Can't generate IV and keys")
3969
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
140 raise e
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
141 message, plain_key_material = next(iter(messages.items()))
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
142 iv, key = message.content.initialization_vector, plain_key_material.key
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
143 content_data["encryption"].update({
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
144 "iv": iv,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
145 "key": key
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
146 })
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
147 encrypted_elt = xml_tools.et_elt_2_domish_elt(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
148 oldmemo.etree.serialize_message(message)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
149 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
150 security_elt.addChild(encrypted_elt)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
151 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
152
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
153 async def _on_session_initiate(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
154 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
155 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
156 session: Dict[str, Any],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
157 iq_elt: domish.Element,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
158 jingle_elt: domish.Element
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
159 ) -> bool:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
160 for content_elt in jingle_elt.elements(self._j.namespace, "content"):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
161 content_data = session["contents"][content_elt["name"]]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
162 security_elt = next(content_elt.elements(NS_JET, "security"), None)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
163 if security_elt is None:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
164 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
165 encrypted_elt = next(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
166 security_elt.elements(self._o.NS_OLDMEMO, "encrypted"), None
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
167 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
168 if encrypted_elt is None:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
169 log.warning(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
170 "missing <encrypted> element, can't decrypt: {security_elt.toXml()}"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
171 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
172 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
173 session_manager = await self._o.get_session_manager(client.profile)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
174 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
175 message = await oldmemo.etree.parse_message(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
176 xml_tools.domish_elt_2_et_elt(encrypted_elt, False),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
177 session["peer_jid"].userhost(),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
178 client.jid.userhost(),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
179 session_manager
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
180 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
181 __, __, plain_key_material = await session_manager.decrypt(message)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
182 except Exception as e:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
183 log.warning(f"Can't get IV and key: {e}\n{security_elt.toXml()}")
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
184 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
185 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
186 content_data["encryption"] = {
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
187 "cipher": security_elt["cipher"],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
188 "type": security_elt["type"],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
189 "iv": message.content.initialization_vector,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
190 "key": plain_key_material.key
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
191 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
192 except KeyError as e:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
193 log.warning(f"missing data, can't decrypt: {e}")
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
194 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
195
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
196 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
197
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
198 def __encrypt(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
199 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
200 data: bytes,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
201 encryptor: CipherContext,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
202 data_cb: Callable
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
203 ) -> bytes:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
204 data_cb(data)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
205 if data:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
206 return encryptor.update(data)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
207 else:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
208 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
209 return encryptor.finalize() + encryptor.tag
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
210 except AlreadyFinalized:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
211 return b''
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
212
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
213 def __decrypt(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
214 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
215 data: bytes,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
216 buffer: list[bytes],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
217 decryptor: CipherContext,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
218 data_cb: Callable
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
219 ) -> bytes:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
220 buffer.append(data)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
221 data = b''.join(buffer)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
222 buffer.clear()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
223 if len(data) > 16:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
224 decrypted = decryptor.update(data[:-16])
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
225 data_cb(decrypted)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
226 else:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
227 decrypted = b''
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
228 buffer.append(data[-16:])
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
229 return decrypted
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
230
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
231 def __decrypt_finalize(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
232 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
233 file_obj: io.BytesIO,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
234 buffer: list[bytes],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
235 decryptor: CipherContext,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
236 ) -> None:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
237 tag = b''.join(buffer)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
238 file_obj.write(decryptor.finalize_with_tag(tag))
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
239
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
240 async def _add_encryption_filter(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
241 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
242 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
243 session: Dict[str, Any],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
244 content_data: Dict[str, Any],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
245 elt: domish.Element
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
246 ) -> bool:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
247 file_obj = content_data["stream_object"].file_obj
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
248 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
249 encryption_data=content_data["encryption"]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
250 except KeyError:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
251 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
252 cipher = ciphers.Cipher(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
253 ciphers.algorithms.AES(encryption_data["key"]),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
254 modes.GCM(encryption_data["iv"]),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
255 backend=backends.default_backend(),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
256 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
257 if file_obj.mode == "wb":
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
258 # we are receiving a file
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
259 buffer = []
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
260 decryptor = cipher.decryptor()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
261 file_obj.pre_close_cb = partial(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
262 self.__decrypt_finalize,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
263 file_obj=file_obj,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
264 buffer=buffer,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
265 decryptor=decryptor
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
266 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
267 file_obj.data_cb = partial(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
268 self.__decrypt,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
269 buffer=buffer,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
270 decryptor=decryptor,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
271 data_cb=file_obj.data_cb
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
272 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
273 else:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
274 # we are sending a file
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
275 file_obj.data_cb = partial(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
276 self.__encrypt,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
277 encryptor=cipher.encryptor(),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
278 data_cb=file_obj.data_cb
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
279 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
280
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
281 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
282
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
283
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
284 @implementer(iwokkel.IDisco)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
285 class JET_Handler(xmlstream.XMPPHandler):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
286
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
287 def getDiscoInfo(self, requestor, service, nodeIdentifier=""):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
288 return [
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
289 disco.DiscoFeature(NS_JET),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
290 disco.DiscoFeature(NS_JET_OMEMO),
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
291 ]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
292
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
293 def getDiscoItems(self, requestor, service, nodeIdentifier=""):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
diff changeset
294 return []