annotate sat/plugins/plugin_sec_oxps.py @ 3991:cd0943ceb326

component AP gateway: fix header checking for redirection
author Goffi <goffi@goffi.org>
date Fri, 25 Nov 2022 16:14:10 +0100
parents 9badc46c5481
children 524856bd7b19
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for Pubsub Encryption
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4 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 import base64
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20 import dataclasses
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21 import secrets
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22 import time
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23 from typing import Any, Dict, Iterable, List, Optional, Set, Tuple, Union
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24 from collections import OrderedDict
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25
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26 import shortuuid
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27 from twisted.internet import defer
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28 from twisted.words.protocols.jabber import jid, xmlstream
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29 from twisted.words.xish import domish
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30 from wokkel import disco, iwokkel
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31 from wokkel import rsm
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32 from zope.interface import implementer
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33
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34 from sat.core import exceptions
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35 from sat.core.constants import Const as C
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36 from sat.core.core_types import SatXMPPEntity
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37 from sat.core.i18n import _
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38 from sat.core.log import getLogger
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39 from sat.memory import persistent
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40 from sat.tools import utils
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41 from sat.tools import xml_tools
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42 from sat.tools.common import data_format
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43 from sat.tools.common import uri
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44 from sat.tools.common.async_utils import async_lru
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45
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46 from .plugin_xep_0373 import NS_OX, get_gpg_provider
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47
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48
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49 log = getLogger(__name__)
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50
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51 IMPORT_NAME = "OXPS"
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52
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53 PLUGIN_INFO = {
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54 C.PI_NAME: "OpenPGP for XMPP Pubsub",
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55 C.PI_IMPORT_NAME: IMPORT_NAME,
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56 C.PI_TYPE: C.PLUG_TYPE_XEP,
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57 C.PI_MODES: C.PLUG_MODE_BOTH,
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58 C.PI_PROTOCOLS: [],
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59 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0334", "XEP-0373"],
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60 C.PI_MAIN: "PubsubEncryption",
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61 C.PI_HANDLER: "yes",
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62 C.PI_DESCRIPTION: _("""Pubsub e2e encryption via OpenPGP"""),
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63 }
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64 NS_OXPS = "urn:xmpp:openpgp:pubsub:0"
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65
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66 KEY_REVOKED = "revoked"
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67 CACHE_MAX = 5
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68
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69
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70 @dataclasses.dataclass
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71 class SharedSecret:
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72 id: str
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73 key: str
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74 timestamp: float
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75 # bare JID of who has generated the secret
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76 origin: jid.JID
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77 revoked: bool = False
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78 shared_with: Set[jid.JID] = dataclasses.field(default_factory=set)
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79
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80
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81 class PubsubEncryption:
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82 namespace = NS_OXPS
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83
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84 def __init__(self, host):
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85 log.info(_("OpenPGP for XMPP Pubsub plugin initialization"))
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86 host.registerNamespace("oxps", NS_OXPS)
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87 self.host = host
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88 self._p = host.plugins["XEP-0060"]
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89 self._h = host.plugins["XEP-0334"]
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90 self._ox = host.plugins["XEP-0373"]
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91 host.trigger.add("XEP-0060_publish", self._publish_trigger)
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92 host.trigger.add("XEP-0060_items", self._items_trigger)
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93 host.trigger.add(
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94 "messageReceived",
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95 self._message_received_trigger,
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96 )
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97 host.bridge.addMethod(
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98 "psSecretShare",
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99 ".plugin",
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100 in_sign="sssass",
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101 out_sign="",
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102 method=self._ps_secret_share,
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103 async_=True,
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104 )
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105 host.bridge.addMethod(
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106 "psSecretRevoke",
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107 ".plugin",
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108 in_sign="sssass",
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109 out_sign="",
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110 method=self._ps_secret_revoke,
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111 async_=True,
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112 )
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113 host.bridge.addMethod(
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114 "psSecretRotate",
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115 ".plugin",
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116 in_sign="ssass",
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117 out_sign="",
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118 method=self._ps_secret_rotate,
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119 async_=True,
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120 )
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121 host.bridge.addMethod(
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122 "psSecretsList",
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123 ".plugin",
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124 in_sign="sss",
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125 out_sign="s",
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126 method=self._ps_secrets_list,
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127 async_=True,
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128 )
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129
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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],
3952
9badc46c5481 plugin OXPS: fix triggers return values:
Goffi <goffi@goffi.org>
parents: 3948
diff changeset
697 ) -> bool:
3934
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
698 if not extra.get(C.KEY_DECRYPT, True):
3952
9badc46c5481 plugin OXPS: fix triggers return values:
Goffi <goffi@goffi.org>
parents: 3948
diff changeset
699 return True
3934
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 )
3952
9badc46c5481 plugin OXPS: fix triggers return values:
Goffi <goffi@goffi.org>
parents: 3948
diff changeset
722 return True
3934
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)
3948
cd4d95b3fed3 plugin OXPS, XEP-0060: indicate which items were e2ee:
Goffi <goffi@goffi.org>
parents: 3934
diff changeset
739 extra.setdefault("encrypted", {})[item["id"]] = {"type": NS_OXPS}
3952
9badc46c5481 plugin OXPS: fix triggers return values:
Goffi <goffi@goffi.org>
parents: 3948
diff changeset
740 return True
3934
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
741
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
742 async def _message_received_trigger(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
743 self,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
744 client: SatXMPPEntity,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
745 message_elt: domish.Element,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
746 post_treat: defer.Deferred
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
747 ) -> bool:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
748 sender = jid.JID(message_elt["from"]).userhostJID()
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
749 # 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
750 # decrypt it here
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
751 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
752 if openpgp_elt is not None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
753 try:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
754 payload_elt, __ = await self._ox.unpack_openpgp_element(
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
755 client,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
756 openpgp_elt,
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
757 "signcrypt",
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
758 sender
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
759 )
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
760 except Exception as e:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
761 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
762 return False
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
763 message_elt.children.remove(openpgp_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
764 for c in payload_elt.children:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
765 message_elt.addChild(c)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
766
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
767 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
768 if shared_secret_elt is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
769 # 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
770 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
771 if revoke_elt is None:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
772 return True
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_revoke_elt(client, sender, revoke_elt)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
775 else:
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
776 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
777
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
778 return False
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
779
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
780
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
781 @implementer(iwokkel.IDisco)
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
782 class PubsubEncryption_Handler(xmlstream.XMPPHandler):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
783
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
784 def getDiscoInfo(self, requestor, service, nodeIdentifier=""):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
785 return [disco.DiscoFeature(NS_OXPS)]
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
786
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
787 def getDiscoItems(self, requestor, service, nodeIdentifier=""):
e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
788 return []