libervia-backend: sat/plugins/plugin_sec

annotate sat/plugins/plugin_sec_oxps.py @ 3947:08c1d5485411

cli (pubsub/set, edit): add `--encrypt` flag: rel 380

author	Goffi <goffi@goffi.org>
date	Sat, 15 Oct 2022 20:38:33 +0200
parents	e345d93fb6e5
children	cd4d95b3fed3

rev	line source
3934 e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	3 # Libervia plugin for Pubsub Encryption
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	4 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	5
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	10
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	15
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	18
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	19 import base64
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	20 import dataclasses
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	21 import secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 import time
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	23 from typing import Any, Dict, Iterable, List, Optional, Set, Tuple, Union
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	24 from collections import OrderedDict
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	25
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	26 import shortuuid
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	27 from twisted.internet import defer
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	28 from twisted.words.protocols.jabber import jid, xmlstream
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 from twisted.words.xish import domish
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	30 from wokkel import disco, iwokkel
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	31 from wokkel import rsm
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	32 from zope.interface import implementer
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	33
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	34 from sat.core import exceptions
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	35 from sat.core.constants import Const as C
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	36 from sat.core.core_types import SatXMPPEntity
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	37 from sat.core.i18n import _
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	38 from sat.core.log import getLogger
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 from sat.memory import persistent
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 from sat.tools import utils
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 from sat.tools import xml_tools
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 from sat.tools.common import data_format
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 from sat.tools.common import uri
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	44 from sat.tools.common.async_utils import async_lru
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	45
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	46 from .plugin_xep_0373 import NS_OX, get_gpg_provider
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	47
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	48
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	49 log = getLogger(__name__)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	50
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	51 IMPORT_NAME = "OXPS"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	52
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	53 PLUGIN_INFO = {
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	54 C.PI_NAME: "OpenPGP for XMPP Pubsub",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	55 C.PI_IMPORT_NAME: IMPORT_NAME,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	56 C.PI_TYPE: C.PLUG_TYPE_XEP,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 C.PI_MODES: C.PLUG_MODE_BOTH,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	58 C.PI_PROTOCOLS: [],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0334", "XEP-0373"],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	60 C.PI_MAIN: "PubsubEncryption",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	61 C.PI_HANDLER: "yes",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	62 C.PI_DESCRIPTION: _("""Pubsub e2e encryption via OpenPGP"""),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	63 }
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	64 NS_OXPS = "urn:xmpp:openpgp:pubsub:0"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	65
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 KEY_REVOKED = "revoked"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	67 CACHE_MAX = 5
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	68
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	69
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	70 @dataclasses.dataclass
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	71 class SharedSecret:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	72 id: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	73 key: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	74 timestamp: float
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	75 # bare JID of who has generated the secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	76 origin: jid.JID
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	77 revoked: bool = False
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	78 shared_with: Set[jid.JID] = dataclasses.field(default_factory=set)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	79
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	80
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	81 class PubsubEncryption:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	82 namespace = NS_OXPS
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	83
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	84 def __init__(self, host):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 log.info(_("OpenPGP for XMPP Pubsub plugin initialization"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	86 host.registerNamespace("oxps", NS_OXPS)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	87 self.host = host
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 self._p = host.plugins["XEP-0060"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 self._h = host.plugins["XEP-0334"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	90 self._ox = host.plugins["XEP-0373"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 host.trigger.add("XEP-0060_publish", self._publish_trigger)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	92 host.trigger.add("XEP-0060_items", self._items_trigger)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	93 host.trigger.add(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 "messageReceived",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	95 self._message_received_trigger,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	96 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 host.bridge.addMethod(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 "psSecretShare",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	99 ".plugin",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	100 in_sign="sssass",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	101 out_sign="",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	102 method=self._ps_secret_share,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	103 async_=True,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	104 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	105 host.bridge.addMethod(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	106 "psSecretRevoke",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	107 ".plugin",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	108 in_sign="sssass",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	109 out_sign="",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	110 method=self._ps_secret_revoke,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	111 async_=True,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	112 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	113 host.bridge.addMethod(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	114 "psSecretRotate",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	115 ".plugin",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	116 in_sign="ssass",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	117 out_sign="",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	118 method=self._ps_secret_rotate,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	119 async_=True,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	120 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 host.bridge.addMethod(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 "psSecretsList",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	123 ".plugin",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	124 in_sign="sss",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 out_sign="s",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	126 method=self._ps_secrets_list,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	127 async_=True,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	128 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	129
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	130 def getHandler(self, client):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	131 return PubsubEncryption_Handler()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	132
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	133 async def profileConnecting(self, client):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	134 client.__storage = persistent.LazyPersistentBinaryDict(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	135 IMPORT_NAME, client.profile
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	136 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 # cache to avoid useless DB access, and to avoid race condition by ensuring that
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	138 # the same shared_secrets instance is always used for a given node.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	139 client.__cache = OrderedDict()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 self.gpg_provider = get_gpg_provider(self.host, client)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	141
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 async def load_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	144 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	145 node_uri: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	146 ) -> Optional[Dict[str, SharedSecret]]:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	147 """Load shared secret from databse or cache
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	148
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 A cache is used per client to avoid usueless db access, as shared secrets are
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	150 often needed several times in a row. Cache is also necessary to avoir race
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	151 condition, when updating a secret, by ensuring that the same instance is used
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	152 for all updates during a session.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	153
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 @param node_uri: XMPP URI of the encrypted pubsub node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	155 @return shared secrets, or None if no secrets are known yet
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	157 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	158 shared_secrets = client.__cache[node_uri]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 except KeyError:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 pass
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 client.__cache.move_to_end(node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 return shared_secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	164
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 secrets_as_dict = await client.__storage.get(node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	166
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	167 if secrets_as_dict is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 return None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 shared_secrets = {
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 s["id"]: SharedSecret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 id=s["id"],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 key=s["key"],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 timestamp=s["timestamp"],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 origin=jid.JID(s["origin"]),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 revoked=s["revoked"],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 shared_with={jid.JID(w) for w in s["shared_with"]}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 ) for s in secrets_as_dict
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 }
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 client.__cache[node_uri] = shared_secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 while len(client.__cache) > CACHE_MAX:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 client.__cache.popitem(False)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 return shared_secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	184
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 def __secrect_dict_factory(self, data: List[Tuple[str, Any]]) -> Dict[str, Any]:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 ret = {}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 for k, v in data:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 if k == "origin":
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 v = v.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 elif k == "shared_with":
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 v = [j.full() for j in v]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 ret[k] = v
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 return ret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	194
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 async def store_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 node_uri: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 shared_secrets: Dict[str, SharedSecret]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 """Store shared secrets to database
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	202
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 Shared secrets are serialised before being stored.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 If ``node_uri`` is not in cache, the shared_secrets instance is also put in cache/
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	205
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 @param node_uri: XMPP URI of the encrypted pubsub node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	207 @param shared_secrets: shared secrets to store
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 if node_uri not in client.__cache:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 client.__cache[node_uri] = shared_secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 while len(client.__cache) > CACHE_MAX:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	212 client.__cache.popitem(False)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	213
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 secrets_as_dict = [
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 dataclasses.asdict(s, dict_factory=self.__secrect_dict_factory)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 for s in shared_secrets.values()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 ]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 await client.__storage.aset(node_uri, secrets_as_dict)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	219
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 def generate_secret(self, client: SatXMPPEntity) -> SharedSecret:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	221 """Generate a new shared secret"""
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 log.info("Generating a new shared secret.")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 secret_key = secrets.token_urlsafe(64)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 secret_id = shortuuid.uuid()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 return SharedSecret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 id = secret_id,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	227 key = secret_key,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 timestamp = time.time(),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 origin = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	231
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 def _ps_secret_revoke(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 service: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	235 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 secret_id: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 recipients: List[str],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	238 profile_key: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	239 ) -> defer.Deferred:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	240 return defer.ensureDeferred(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 self.revoke(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	242 self.host.getClient(profile_key),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	243 jid.JID(service) if service else None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	244 node,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	245 secret_id,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 [jid.JID(r) for r in recipients] or None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	247 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	248 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	249
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 async def revoke(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	251 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	253 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	254 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 secret_id: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 recipients: Optional[Iterable[jid.JID]] = None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 """Revoke a secret and notify entities
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	259
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 @param service: pubsub/PEP service where the node is
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 @param node: node name
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 @param secret_id: ID of the secret to revoke (must have been generated by
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 ourselves)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 recipients: JIDs of entities to send the revocation notice to. If None, all
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 entities known to have the shared secret will be notified.
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 Use empty list if you don't want to notify anybody (not recommended)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	268 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 if not shared_secrets:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 raise exceptions.NotFound(f"No shared secret is known for {node_uri}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	274 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 shared_secret = shared_secrets[secret_id]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 except KeyError:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 raise exceptions.NotFound(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 f"No shared secret with ID {secret_id!r} has been found for {node_uri}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 if shared_secret.origin != client.jid.userhostJID():
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 raise exceptions.PermissionError(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	283 f"The shared secret {shared_secret.id} originate from "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 f"{shared_secret.origin}, not you ({client.jid.userhostJID()}). You "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 "can't revoke it"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	286 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	287 shared_secret.revoked = True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	289 log.info(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	290 f"shared secret {secret_id!r} for {node_uri} has been revoked."
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 if recipients is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	293 recipients = shared_secret.shared_with
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 if recipients:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	295 for recipient in recipients:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 await self.send_revoke_notification(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 client, service, node, shared_secret.id, recipient
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 log.info(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 f"shared secret {shared_secret.id} revocation notification for "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	301 f"{node_uri} has been send to {''.join(str(r) for r in recipients)}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	302 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 log.info(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 "Due to empty recipients list, no revocation notification has been sent "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 f"for shared secret {shared_secret.id} for {node_uri}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	308
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 async def send_revoke_notification(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	312 service: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 secret_id: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 recipient: jid.JID
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 revoke_elt = domish.Element((NS_OXPS, "revoke"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 revoke_elt["jid"] = service.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	319 revoke_elt["node"] = node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	320 revoke_elt["id"] = secret_id
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 signcrypt_elt, payload_elt = self._ox.build_signcrypt_element([recipient])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 payload_elt.addChild(revoke_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 openpgp_elt = await self._ox.build_openpgp_element(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 client, signcrypt_elt, {recipient}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 message_elt = domish.Element((None, "message"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 message_elt["from"] = client.jid.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 message_elt["to"] = recipient.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 message_elt.addChild((openpgp_elt))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 self._h.addHintElements(message_elt, [self._h.HINT_STORE])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 client.send(message_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	332
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 def _ps_secret_share(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 recipient: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 service: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 secret_ids: List[str],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 profile_key: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 ) -> defer.Deferred:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	341 return defer.ensureDeferred(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 self.share_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 self.host.getClient(profile_key),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	344 jid.JID(recipient),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 jid.JID(service) if service else None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	346 node,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 secret_ids or None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	350
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 async def share_secret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 shared_secret: SharedSecret,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	357 recipient: jid.JID
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	358 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	359 """Create and send <shared-secret> element"""
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	360 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	361 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	362 shared_secret_elt = domish.Element((NS_OXPS, "shared-secret"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	363 shared_secret_elt["jid"] = service.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 shared_secret_elt["node"] = node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 shared_secret_elt["id"] = shared_secret.id
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 shared_secret_elt["timestamp"] = utils.xmpp_date(shared_secret.timestamp)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 if shared_secret.revoked:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 shared_secret_elt["revoked"] = C.BOOL_TRUE
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	369 # TODO: add type attribute
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 shared_secret_elt.addContent(shared_secret.key)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	371 signcrypt_elt, payload_elt = self._ox.build_signcrypt_element([recipient])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 payload_elt.addChild(shared_secret_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 openpgp_elt = await self._ox.build_openpgp_element(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 client, signcrypt_elt, {recipient}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 message_elt = domish.Element((None, "message"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 message_elt["from"] = client.jid.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 message_elt["to"] = recipient.full()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	379 message_elt.addChild((openpgp_elt))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 self._h.addHintElements(message_elt, [self._h.HINT_STORE])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 client.send(message_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	382 shared_secret.shared_with.add(recipient)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	383
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 async def share_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 recipient: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	390 secret_ids: Optional[List[str]] = None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	391 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 """Share secrets of a pubsub node with a recipient
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	393
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 @param recipient: who to share secrets with
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	395 @param service: pubsub/PEP service where the node is
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	396 @param node: node name
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 @param secret_ids: IDs of the secrets to share, or None to share all known secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 (disabled or not)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	400 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	401 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	403 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	404 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 # no secret shared yet, let's generate one
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	406 shared_secret = self.generate_secret(client)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 shared_secrets = {shared_secret.id: shared_secret}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	408 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	409 if secret_ids is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	410 # we share all secrets of the node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 to_share = shared_secrets.values()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	414 to_share = [shared_secrets[s_id] for s_id in secret_ids]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 except KeyError as e:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	416 raise exceptions.NotFound(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	417 f"no shared secret found with given ID: {e}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	418 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	419 for shared_secret in to_share:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	420 await self.share_secret(client, service, node, shared_secret, recipient)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	422
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	423 def _ps_secret_rotate(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	424 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	425 service: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	427 recipients: List[str],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	428 profile_key: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	429 ) -> defer.Deferred:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	430 return defer.ensureDeferred(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	431 self.rotate_secret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	432 self.host.getClient(profile_key),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	433 jid.JID(service) if service else None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	434 node,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	435 [jid.JID(r) for r in recipients] or None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	437 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	438
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	439 async def rotate_secret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	440 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	441 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	442 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	443 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	444 recipients: Optional[List[jid.JID]] = None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	446 """Revoke all current known secrets, create and share a new one
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	447
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	448 @param service: pubsub/PEP service where the node is
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	449 @param node: node name
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	450 @param recipients: who must receive the new shared secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	451 if None, all recipients known to have last active shared secret will get the
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 new secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	453 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	454 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	455 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	456 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	457 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	458 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	459 shared_secrets = {}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	460 for shared_secret in shared_secrets.values():
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	461 if not shared_secret.revoked:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	462 await self.revoke(client, service, node, shared_secret.id)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	463 shared_secret.revoked = True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	464
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 if recipients is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	466 if shared_secrets:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	467 # we get recipients from latests shared secret's shared_with list,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	468 # regarless of deprecation (cause all keys may be deprecated)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	469 recipients = list(sorted(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 shared_secrets.values(),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 key=lambda s: s.timestamp,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	472 reverse=True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	473 )[0].shared_with)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	474 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	475 recipients = []
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	476
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	477 shared_secret = self.generate_secret(client)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	478 shared_secrets[shared_secret.id] = shared_secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	479 # we send notification to last entities known to already have the shared secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 for recipient in recipients:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 await self.share_secret(client, service, node, shared_secret, recipient)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	482 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	483
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	484 def _ps_secrets_list(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	485 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	486 service: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	487 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	488 profile_key: str
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	489 ) -> defer.Deferred:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	490 d = defer.ensureDeferred(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	491 self.list_shared_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	492 self.host.getClient(profile_key),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	493 jid.JID(service) if service else None,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	494 node,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	495 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	496 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	497 d.addCallback(lambda ret: data_format.serialise(ret))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	498 return d
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	499
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	500 async def list_shared_secrets(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	501 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	502 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	503 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	505 ) -> List[Dict[str, Any]]:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 """Retrieve for shared secrets of a pubsub node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	507
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	508 @param service: pubsub/PEP service where the node is
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	509 @param node: node name
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	510 @return: shared secrets data
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	511 @raise exceptions.NotFound: no shared secret found for this node
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	512 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	513 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	514 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	515 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	516 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	517 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	518 raise exceptions.NotFound(f"No shared secrets found for {node_uri}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	519 return [
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	520 dataclasses.asdict(s, dict_factory=self.__secrect_dict_factory)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	521 for s in shared_secrets.values()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	522 ]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	523
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	524 async def handle_revoke_elt(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	525 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	526 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	527 sender: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	528 revoke_elt: domish.Element
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	529 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	530 """Parse a <revoke> element and update local secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	531
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	532 @param sender: bare jid of the entity who has signed the secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	533 @param revoke: <revoke/> element
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	536 service = jid.JID(revoke_elt["jid"])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	537 node = revoke_elt["node"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 secret_id = revoke_elt["id"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	539 except (KeyError, RuntimeError) as e:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	540 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 f"ignoring invalid <revoke> element: {e}\n{revoke_elt.toXml()}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	543 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	544 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	545 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	546 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	547 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	548 f"Can't revoke shared secret {secret_id}: no known shared secrets for "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	549 f"{node_uri}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	550 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	551 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	552
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	553 if any(s.origin != sender for s in shared_secrets.values()):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	554 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	555 f"Rejecting shared secret revocation signed by invalid entity ({sender}):"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	556 f"\n{revoke_elt.toXml}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	557 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	558 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	559
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	560 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	561 shared_secret = shared_secrets[secret_id]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	562 except KeyError:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	563 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	564 f"Can't revoke shared secret {secret_id}: this secret ID is unknown for "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	565 f"{node_uri}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	566 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	567 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	568
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	569 shared_secret.revoked = True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	570 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	571 log.info(f"Shared secret {secret_id} has been revoked for {node_uri}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	572
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	573 async def handle_shared_secret_elt(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	574 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	575 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	576 sender: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	577 shared_secret_elt: domish.Element
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	578 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	579 """Parse a <shared-secret> element and update local secrets
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	580
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	581 @param sender: bare jid of the entity who has signed the secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	582 @param shared_secret_elt: <shared-secret/> element
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	583 """
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	584 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	585 service = jid.JID(shared_secret_elt["jid"])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	586 node = shared_secret_elt["node"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	587 secret_id = shared_secret_elt["id"]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	588 timestamp = utils.parse_xmpp_date(shared_secret_elt["timestamp"])
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	589 # TODO: handle "type" attribute
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	590 revoked = C.bool(shared_secret_elt.getAttribute("revoked", C.BOOL_FALSE))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	591 except (KeyError, RuntimeError, ValueError) as e:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	592 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	593 f"ignoring invalid <shared-secret> element: "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	594 f"{e}\n{shared_secret_elt.toXml()}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	595 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	596 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	597 key = str(shared_secret_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	598 if not key:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	599 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	600 "ignoring <shared-secret> element with empty key: "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	601 f"{shared_secret_elt.toXml()}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	602 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	603 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	604 shared_secret = SharedSecret(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	605 id=secret_id, key=key, timestamp=timestamp, origin=sender, revoked=revoked
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	606 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	607 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	608 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	609 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	610 shared_secrets = {}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	611 # no known shared secret yet for this node, we have to trust first user who
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	612 # send it
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	613 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	614 if any(s.origin != sender for s in shared_secrets.values()):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	615 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	616 f"Rejecting shared secret signed by invalid entity ({sender}):\n"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	617 f"{shared_secret_elt.toXml}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	618 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	619 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	620
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	621 shared_secrets[shared_secret.id] = shared_secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	622 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	623 log.info(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	624 f"shared secret {shared_secret.id} added for {node_uri} [{client.profile}]"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	625 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	626
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	627 async def _publish_trigger(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	628 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	629 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	630 service: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	631 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	632 items: Optional[List[domish.Element]],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	633 options: Optional[dict],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	634 sender: jid.JID,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	635 extra: Dict[str, Any]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	636 ) -> bool:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	637 if not items or not extra.get("encrypted"):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	638 return True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	639 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	640 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	641 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	642 shared_secrets = {}
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	643 shared_secret = None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	644 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	645 current_secrets = [s for s in shared_secrets.values() if not s.revoked]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	646 if not current_secrets:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	647 shared_secret = None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	648 elif len(current_secrets) > 1:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	649 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	650 f"more than one active shared secret found for node {node!r} at "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	651 f"{service}, using the most recent one"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	652 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	653 current_secrets.sort(key=lambda s: s.timestamp, reverse=True)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	654 shared_secret = current_secrets[0]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	655 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	656 shared_secret = current_secrets[0]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	657
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	658 if shared_secret is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	659 if any(s.origin != client.jid.userhostJID() for s in shared_secrets.values()):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	660 raise exceptions.PermissionError(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	661 "there is no known active shared secret, and you are not the "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	662 "creator of previous shared secrets, we can't encrypt items at "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	663 f"{node_uri} ."
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	664 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	665 shared_secret = self.generate_secret(client)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	666 shared_secrets[shared_secret.id] = shared_secret
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	667 await self.store_secrets(client, node_uri, shared_secrets)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	668 # TODO: notify other entities
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	669
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	670 for item in items:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	671 item_elts = list(item.elements())
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	672 if len(item_elts) != 1:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	673 raise ValueError(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	674 f"there should be exactly one item payload: {item.toXml()}"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	675 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	676 item_payload = item_elts[0]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	677 log.debug(f"encrypting item {item.getAttribute('id', '')}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	678 encrypted_item = self.gpg_provider.encrypt_symmetrically(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	679 item_payload.toXml().encode(), shared_secret.key
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	680 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	681 item.children.clear()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	682 encrypted_elt = domish.Element((NS_OXPS, "encrypted"))
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	683 encrypted_elt["key"] = shared_secret.id
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	684 encrypted_elt.addContent(base64.b64encode(encrypted_item).decode())
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	685 item.addChild(encrypted_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	686
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	687 return True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	688
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	689 async def _items_trigger(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	690 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	691 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	692 service: Optional[jid.JID],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	693 node: str,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	694 items: List[domish.Element],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	695 rsm_response: rsm.RSMResponse,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	696 extra: Dict[str, Any],
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	697 ) -> None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	698 if not extra.get(C.KEY_DECRYPT, True):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	699 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	700 if service is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	701 service = client.jid.userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	702 shared_secrets = None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	703 for item in items:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	704 payload = item.firstChildElement()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	705 if (payload is not None
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	706 and payload.name == "encrypted"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	707 and payload.uri == NS_OXPS):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	708 encrypted_elt = payload
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	709 secret_id = encrypted_elt.getAttribute("key")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	710 if not secret_id:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	711 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	712 f'"key" attribute is missing from encrypted item: {item.toXml()}'
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	713 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	714 continue
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	715 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	716 node_uri = uri.buildXMPPUri("pubsub", path=service.full(), node=node)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	717 shared_secrets = await self.load_secrets(client, node_uri)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	718 if shared_secrets is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	719 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	720 f"No known shared secret for {node_uri}, can't decrypt"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	721 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	722 return
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	723 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	724 shared_secret = shared_secrets[secret_id]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	725 except KeyError:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	726 log.warning(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	727 f"No key known for encrypted item {item['id']!r} (shared secret "
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	728 f"id: {secret_id!r})"
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	729 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	730 continue
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	731 log.debug(f"decrypting item {item.getAttribute('id', '')}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	732 decrypted = self.gpg_provider.decrypt_symmetrically(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	733 base64.b64decode(str(encrypted_elt)),
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	734 shared_secret.key
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	735 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	736 decrypted_elt = xml_tools.parse(decrypted)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	737 item.children.clear()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	738 item.addChild(decrypted_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	739
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	740 async def _message_received_trigger(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	741 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	742 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	743 message_elt: domish.Element,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	744 post_treat: defer.Deferred
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	745 ) -> bool:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	746 sender = jid.JID(message_elt["from"]).userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	747 # there may be an openpgp element if OXIM is not activate, in this case we have to
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	748 # decrypt it here
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	749 openpgp_elt = next(message_elt.elements(NS_OX, "openpgp"), None)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	750 if openpgp_elt is not None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	751 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	752 payload_elt, __ = await self._ox.unpack_openpgp_element(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	753 client,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	754 openpgp_elt,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	755 "signcrypt",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	756 sender
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	757 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	758 except Exception as e:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	759 log.warning(f"Can't decrypt element: {e}\n{message_elt.toXml()}")
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	760 return False
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	761 message_elt.children.remove(openpgp_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	762 for c in payload_elt.children:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	763 message_elt.addChild(c)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	764
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	765 shared_secret_elt = next(message_elt.elements(NS_OXPS, "shared-secret"), None)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	766 if shared_secret_elt is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	767 # no <shared-secret>, we check if there is a <revoke> element
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	768 revoke_elt = next(message_elt.elements(NS_OXPS, "revoke"), None)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	769 if revoke_elt is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	770 return True
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	771 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	772 await self.handle_revoke_elt(client, sender, revoke_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	773 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	774 await self.handle_shared_secret_elt(client, sender, shared_secret_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	775
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	776 return False
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	777
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	778
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	779 @implementer(iwokkel.IDisco)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	780 class PubsubEncryption_Handler(xmlstream.XMPPHandler):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	781
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	782 def getDiscoInfo(self, requestor, service, nodeIdentifier=""):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	783 return [disco.DiscoFeature(NS_OXPS)]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	784
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	785 def getDiscoItems(self, requestor, service, nodeIdentifier=""):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: diff changeset	786 return []

Mercurial > libervia-backend

annotate sat/plugins/plugin_sec_oxps.py @ 3947:08c1d5485411