libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0391.py @ 4340:ea72364131d5 default tip @

doc (components): Update Email Gateway documentation: A section has been added to explain how attachments are handled. fix 453

author	Goffi <goffi@goffi.org>
date	Tue, 03 Dec 2024 00:53:18 +0100
parents	0d7bb4df2343
children

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: diff changeset	2
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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> parents: diff changeset	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: diff changeset	5
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	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: diff changeset	10
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	15
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	18
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	19 from base64 import b64encode
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	20 from functools import partial
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	21 import io
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	23
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	24 from twisted.words.protocols.jabber import error, jid, xmlstream
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	25 from twisted.words.xish import domish
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	26 from wokkel import disco, iwokkel
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	27 from zope.interface import implementer
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	28 from cryptography.exceptions import AlreadyFinalized
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	29 from cryptography.hazmat import backends
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	30 from cryptography.hazmat.primitives import ciphers
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	31 from cryptography.hazmat.primitives.ciphers import Cipher, CipherContext, modes
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	32 from cryptography.hazmat.primitives.padding import PKCS7, PaddingContext
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	33
4071 4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	34 from libervia.backend.core import exceptions
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	35 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	36 from libervia.backend.core.core_types import SatXMPPEntity
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	37 from libervia.backend.core.i18n import _
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	38 from libervia.backend.core.log import getLogger
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	39 from libervia.backend.tools import xml_tools
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	40
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	41 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	42 import oldmemo
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	43 import oldmemo.etree
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	44 except ImportError as import_error:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	45 raise exceptions.MissingModule(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	47 " download/install the pip packages 'oldmemo'."
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	48 ) from import_error
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	49
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	50
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	51 log = getLogger(__name__)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	52
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	53 IMPORT_NAME = "XEP-0391"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	54
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	55 PLUGIN_INFO = {
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	56 C.PI_NAME: "Jingle Encrypted Transports",
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	57 C.PI_IMPORT_NAME: IMPORT_NAME,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	58 C.PI_TYPE: C.PLUG_TYPE_XEP,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	59 C.PI_MODES: C.PLUG_MODE_BOTH,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	60 C.PI_PROTOCOLS: ["XEP-0391", "XEP-0396"],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	61 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0384"],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	62 C.PI_MAIN: "JET",
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	63 C.PI_HANDLER: "yes",
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	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): Goffi <goffi@goffi.org> parents: diff changeset	65 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	66
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	67 NS_JET = "urn:xmpp:jingle:jet:0"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	68 NS_JET_OMEMO = "urn:xmpp:jingle:jet-omemo:0"
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	69
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	70
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	71 class JET:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	72 namespace = NS_JET
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	73
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	74 def __init__(self, host):
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	75 log.info(_("XEP-0391 (Pubsub Attachments) plugin initialization"))
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3969 diff changeset	76 host.register_namespace("jet", NS_JET)
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	77 self.host = host
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	78 self._o = host.plugins["XEP-0384"]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	79 self._j = host.plugins["XEP-0166"]
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	80 host.trigger.add("XEP-0166_initiate_elt_built", self._on_initiate_elt_build)
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	81 host.trigger.add("XEP-0166_on_session_initiate", self._on_session_initiate)
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	82 host.trigger.add("XEP-0234_jingle_handler", self._add_encryption_filter)
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	83 host.trigger.add(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	84 "XEP-0234_file_receiving_request_conf", self._add_encryption_filter
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	85 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	86
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3969 diff changeset	87 def get_handler(self, client):
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	88 return JET_Handler()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	89
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	90 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	91 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	92 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	93 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	94 iq_elt: domish.Element,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	95 jingle_elt: domish.Element,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	96 ) -> bool:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	97 if (
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	98 client.encryption.get_namespace(session["peer_jid"].userhostJID())
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	99 != self._o.NS_OLDMEMO
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	100 ):
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	101 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	102 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	103 content_data = session["contents"][content_elt["name"]]
4231 e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	104 transport_data = content_data["transport_data"]
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	105 if transport_data.get("webrtc"):
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	106 # webRTC is already e2e encrypted, we skip this content to avoid double
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	107 # encryption
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	108 continue
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	109 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	110 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	111 # 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	112 # 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	113 # implemented.
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	114 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	115 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	116 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	117 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	118 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	119 "cipher": cipher,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	120 "type": enc_type,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	121 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	122 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	123 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	124 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	125 )
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	126 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	127 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	128 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	129 # the value seems to be the commonly used value
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	130 {self._o.NS_OLDMEMO: b" "},
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	131 backend_priority_order=[self._o.NS_OLDMEMO],
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	132 identifier=client.jid.userhost(),
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	133 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	134 except Exception as e:
4219 1b5cf2ee1d86 plugin XEP-0384, XEP-0391: download missing devices list: Goffi <goffi@goffi.org> parents: 4071 diff changeset	135 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	136 raise e
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	137 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	138 iv, key = message.content.initialization_vector, plain_key_material.key
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	139 content_data["encryption"].update({"iv": iv, "key": key})
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	140 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	141 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	142 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	143 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	144 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	145
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	146 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	147 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	148 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	149 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	150 iq_elt: domish.Element,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	151 jingle_elt: domish.Element,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	152 ) -> bool:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	153 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	154 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	155 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	156 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	157 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	158 encrypted_elt = next(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	159 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	160 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	161 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	162 log.warning(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	163 "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	164 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	165 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	166 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	167 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	168 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	169 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	170 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	171 client.jid.userhost(),
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	172 session_manager,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	173 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	174 __, __, 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	175 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	176 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	177 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	178 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	179 content_data["encryption"] = {
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	180 "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	181 "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	182 "iv": message.content.initialization_vector,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	183 "key": plain_key_material.key,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	184 }
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	185 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	186 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	187 continue
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	188
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	189 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	190
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	191 def __encrypt(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	192 self, data: bytes, encryptor: CipherContext, data_cb: Callable
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	193 ) -> bytes:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	194 data_cb(data)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	195 if data:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	196 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	197 else:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	198 try:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	199 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	200 except AlreadyFinalized:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	201 return b""
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	202
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	203 def __decrypt(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	204 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	205 data: bytes,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	206 buffer: list[bytes],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	207 decryptor: CipherContext,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	208 data_cb: Callable,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	209 ) -> bytes:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	210 buffer.append(data)
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	211 data = b"".join(buffer)
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	212 buffer.clear()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	213 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	214 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	215 data_cb(decrypted)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	216 else:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	217 decrypted = b""
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	218 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	219 return decrypted
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	220
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	221 def __decrypt_finalize(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	222 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	223 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	224 buffer: list[bytes],
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	225 decryptor: CipherContext,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	226 ) -> None:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	227 tag = b"".join(buffer)
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	228 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	229
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	230 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	231 self,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	232 client: SatXMPPEntity,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	233 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	234 content_data: Dict[str, Any],
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	235 elt: domish.Element,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	236 ) -> bool:
4231 e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	237 try:
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	238 file_obj = content_data["stream_object"].file_obj
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	239 except KeyError:
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	240 transport_data = content_data["transport_data"]
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	241 if transport_data.get("webrtc"):
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	242 # we skip JET to avoid double encryption
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	243 log.debug("JET skipped due to webrtc transport.")
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4223 diff changeset	244 return True
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	245 try:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	246 encryption_data = content_data["encryption"]
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	247 except KeyError:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	248 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	249 cipher = ciphers.Cipher(
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	250 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	251 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	252 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	253 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	254 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	255 # 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	256 buffer = []
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	257 decryptor = cipher.decryptor()
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	258 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	259 self.__decrypt_finalize,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	260 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	261 buffer=buffer,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	262 decryptor=decryptor,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	263 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	264 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	265 self.__decrypt,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	266 buffer=buffer,
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	267 decryptor=decryptor,
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	268 data_cb=file_obj.data_cb,
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	269 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	270 else:
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	271 # 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	272 file_obj.data_cb = partial(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4231 diff changeset	273 self.__encrypt, encryptor=cipher.encryptor(), data_cb=file_obj.data_cb
3969 8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	274 )
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	275
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	276 return True
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	277
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	278
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	279 @implementer(iwokkel.IDisco)
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	280 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	281
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	282 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	283 return [
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	284 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	285 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	286 ]
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	287
8e7d5796fb23 plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO): Goffi <goffi@goffi.org> parents: diff changeset	288 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	289 return []

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0391.py @ 4340:ea72364131d5 default tip @