Mercurial > libervia-backend
annotate libervia/backend/plugins/plugin_xep_0373.py @ 4232:0fbe5c605eb6
tests (unit/webrtc,XEP-0176, XEP-0234): Fix tests and add webrtc file transfer tests:
fix 441
author | Goffi <goffi@goffi.org> |
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date | Sat, 06 Apr 2024 12:59:50 +0200 (8 months ago) |
parents | b53b6dc1f929 |
children | 0d7bb4df2343 |
rev | line source |
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1 #!/usr/bin/env python3 |
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2 |
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3 # Libervia plugin for OpenPGP for XMPP |
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4 # Copyright (C) 2022-2022 Tim Henkes (me@syndace.dev) |
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5 |
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6 # This program is free software: you can redistribute it and/or modify |
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7 # it under the terms of the GNU Affero General Public License as published by |
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8 # the Free Software Foundation, either version 3 of the License, or |
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9 # (at your option) any later version. |
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10 |
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11 # This program is distributed in the hope that it will be useful, |
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 # GNU Affero General Public License for more details. |
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15 |
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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 from abc import ABC, abstractmethod |
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20 import base64 |
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21 from datetime import datetime, timezone |
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22 import enum |
4212 | 23 import json |
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24 import secrets |
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25 import string |
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26 from typing import Any, Dict, Iterable, List, Literal, Optional, Set, Tuple, cast |
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27 from xml.sax.saxutils import quoteattr |
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28 |
4212 | 29 from typing import Final, NamedTuple, Never, assert_never |
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30 from wokkel import muc, pubsub |
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31 from wokkel.disco import DiscoFeature, DiscoInfo |
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32 import xmlschema |
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33 |
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34 from libervia.backend.core import exceptions |
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35 from libervia.backend.core.constants import Const as C |
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36 from libervia.backend.core.core_types import SatXMPPEntity |
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37 from libervia.backend.core.i18n import _, D_ |
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38 from libervia.backend.core.log import getLogger, Logger |
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39 from libervia.backend.core.main import LiberviaBackend |
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40 from libervia.backend.core.xmpp import SatXMPPClient |
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41 from libervia.backend.memory import persistent |
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42 from libervia.backend.plugins.plugin_xep_0045 import XEP_0045 |
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43 from libervia.backend.plugins.plugin_xep_0060 import XEP_0060 |
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44 from libervia.backend.plugins.plugin_xep_0163 import XEP_0163 |
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45 from libervia.backend.tools.xmpp_datetime import format_datetime, parse_datetime |
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46 from libervia.backend.tools import xml_tools |
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47 from twisted.internet import defer |
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48 from twisted.words.protocols.jabber import jid |
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49 from twisted.words.xish import domish |
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50 |
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51 try: |
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52 import gpg |
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53 except ImportError as import_error: |
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54 raise exceptions.MissingModule( |
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55 "You are missing the 'gpg' package required by the OX plugin. The recommended" |
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56 " installation method is via your operating system's package manager, since the" |
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57 " version of the library has to match the version of your GnuPG installation. See" |
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58 " https://wiki.python.org/moin/GnuPrivacyGuard#Accessing_GnuPG_via_gpgme" |
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59 ) from import_error |
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60 |
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61 |
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62 __all__ = [ # pylint: disable=unused-variable |
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63 "PLUGIN_INFO", |
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64 "NS_OX", |
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65 "XEP_0373", |
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66 "VerificationError", |
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67 "XMPPInteractionFailed", |
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68 "InvalidPacket", |
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69 "DecryptionFailed", |
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70 "VerificationFailed", |
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71 "UnknownKey", |
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72 "GPGProviderError", |
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73 "GPGPublicKey", |
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74 "GPGSecretKey", |
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75 "GPGProvider", |
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76 "PublicKeyMetadata", |
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77 "gpg_provider", |
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78 "TrustLevel" |
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79 ] |
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80 |
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81 |
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82 log = cast(Logger, getLogger(__name__)) # type: ignore[no-untyped-call] |
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83 |
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84 |
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85 PLUGIN_INFO = { |
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86 C.PI_NAME: "XEP-0373", |
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87 C.PI_IMPORT_NAME: "XEP-0373", |
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88 C.PI_TYPE: "SEC", |
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89 C.PI_PROTOCOLS: [ "XEP-0373" ], |
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90 C.PI_DEPENDENCIES: [ "XEP-0060", "XEP-0163" ], |
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91 C.PI_RECOMMENDATIONS: [], |
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92 C.PI_MAIN: "XEP_0373", |
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93 C.PI_HANDLER: "no", |
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94 C.PI_DESCRIPTION: D_("Implementation of OpenPGP for XMPP"), |
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95 } |
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96 |
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97 |
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98 NS_OX: Final = "urn:xmpp:openpgp:0" |
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99 |
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100 |
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101 PARAM_CATEGORY = "Security" |
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102 PARAM_NAME = "ox_policy" |
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103 STR_KEY_PUBLIC_KEYS_METADATA = "/public-keys-metadata/{}" |
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104 |
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105 |
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106 class VerificationError(Exception): |
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107 """ |
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108 Raised by verifying methods of :class:`XEP_0373` on semantical verification errors. |
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109 """ |
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110 |
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111 |
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112 class XMPPInteractionFailed(Exception): |
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113 """ |
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114 Raised by methods of :class:`XEP_0373` on XMPP interaction failure. The reason this |
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115 exception exists is that the exceptions raised by XMPP interactions are not properly |
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116 documented for the most part, thus all exceptions are caught and wrapped in instances |
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117 of this class. |
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118 """ |
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119 |
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120 |
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121 class InvalidPacket(ValueError): |
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122 """ |
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123 Raised by methods of :class:`GPGProvider` when an invalid packet is encountered. |
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124 """ |
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125 |
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126 |
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127 class DecryptionFailed(Exception): |
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128 """ |
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129 Raised by methods of :class:`GPGProvider` on decryption failures. |
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130 """ |
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131 |
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132 |
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133 class VerificationFailed(Exception): |
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134 """ |
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135 Raised by methods of :class:`GPGProvider` on verification failures. |
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136 """ |
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137 |
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138 |
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139 class UnknownKey(ValueError): |
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140 """ |
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141 Raised by methods of :class:`GPGProvider` when an unknown key is referenced. |
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142 """ |
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143 |
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144 |
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145 class GPGProviderError(Exception): |
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146 """ |
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147 Raised by methods of :class:`GPGProvider` on internal errors. |
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148 """ |
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149 |
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150 |
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151 class GPGPublicKey(ABC): |
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152 """ |
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153 Interface describing a GPG public key. |
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154 """ |
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155 |
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156 @property |
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157 @abstractmethod |
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158 def fingerprint(self) -> str: |
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159 """ |
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160 @return: The OpenPGP v4 fingerprint string of this public key. |
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161 """ |
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162 |
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163 |
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164 class GPGSecretKey(ABC): |
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165 """ |
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166 Interface descibing a GPG secret key. |
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167 """ |
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168 |
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169 @property |
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170 @abstractmethod |
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171 def public_key(self) -> GPGPublicKey: |
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172 """ |
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173 @return: The public key corresponding to this secret key. |
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174 """ |
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175 |
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176 |
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177 class GPGProvider(ABC): |
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178 """ |
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179 Interface describing a GPG provider, i.e. a library or framework providing GPG |
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180 encryption, signing and key management. |
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181 |
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182 All methods may raise :class:`GPGProviderError` in addition to those exception types |
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183 listed explicitly. |
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184 |
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185 # TODO: Check keys for revoked, disabled and expired everywhere and exclude those (?) |
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186 """ |
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187 |
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188 @abstractmethod |
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189 def export_public_key(self, public_key: GPGPublicKey) -> bytes: |
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190 """Export a public key in a key material packet according to RFC 4880 §5.5. |
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191 |
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192 Do not use OpenPGP's ASCII Armor. |
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193 |
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194 @param public_key: The public key to export. |
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195 @return: The packet containing the exported public key. |
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196 @raise UnknownKey: if the public key is not available. |
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197 """ |
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198 |
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199 @abstractmethod |
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200 def import_public_key(self, packet: bytes) -> GPGPublicKey: |
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201 """import a public key from a key material packet according to RFC 4880 §5.5. |
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202 |
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203 OpenPGP's ASCII Armor is not used. |
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204 |
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205 @param packet: A packet containing an exported public key. |
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206 @return: The public key imported from the packet. |
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207 @raise InvalidPacket: if the packet is either syntactically or semantically deemed |
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208 invalid. |
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209 |
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210 @warning: Only packets of version 4 or higher may be accepted, packets below |
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211 version 4 MUST be rejected. |
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212 """ |
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213 |
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214 @abstractmethod |
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215 def backup_secret_key(self, secret_key: GPGSecretKey) -> bytes: |
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216 """Export a secret key for transfer according to RFC 4880 §11.1. |
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217 |
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218 Do not encrypt the secret data, i.e. set the octet indicating string-to-key usage |
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219 conventions to zero in the corresponding secret-key packet according to RFC 4880 |
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220 §5.5.3. Do not use OpenPGP's ASCII Armor. |
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221 |
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222 @param secret_key: The secret key to export. |
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223 @return: The binary blob containing the exported secret key. |
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224 @raise UnknownKey: if the secret key is not available. |
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225 """ |
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226 |
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227 @abstractmethod |
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228 def restore_secret_keys(self, data: bytes) -> Set[GPGSecretKey]: |
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229 """Restore secret keys exported for transfer according to RFC 4880 §11.1. |
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230 |
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231 The secret data is not encrypted, i.e. the octet indicating string-to-key usage |
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232 conventions in the corresponding secret-key packets according to RFC 4880 §5.5.3 |
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233 are set to zero. OpenPGP's ASCII Armor is not used. |
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234 |
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235 @param data: Concatenation of one or more secret keys exported for transfer. |
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236 @return: The secret keys imported from the data. |
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237 @raise InvalidPacket: if the data or one of the packets included in the data is |
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238 either syntactically or semantically deemed invalid. |
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239 |
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240 @warning: Only packets of version 4 or higher may be accepted, packets below |
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241 version 4 MUST be rejected. |
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242 """ |
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243 |
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244 @abstractmethod |
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245 def encrypt_symmetrically(self, plaintext: bytes, password: str) -> bytes: |
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246 """Encrypt data symmetrically according to RFC 4880 §5.3. |
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247 |
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248 The password is used to build a Symmetric-Key Encrypted Session Key packet which |
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249 precedes the Symmetrically Encrypted Data packet that holds the encrypted data. |
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250 |
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251 @param plaintext: The data to encrypt. |
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252 @param password: The password to encrypt the data with. |
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253 @return: The encrypted data. |
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254 """ |
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255 |
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256 @abstractmethod |
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257 def decrypt_symmetrically(self, ciphertext: bytes, password: str) -> bytes: |
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258 """Decrypt data symmetrically according to RFC 4880 §5.3. |
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259 |
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260 The ciphertext consists of a Symmetrically Encrypted Data packet that holds the |
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261 encrypted data, preceded by a Symmetric-Key Encrypted Session Key packet using the |
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262 password. |
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263 |
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264 @param ciphertext: The ciphertext. |
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265 @param password: The password to decrypt the data with. |
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266 @return: The plaintext. |
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267 @raise DecryptionFailed: on decryption failure. |
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268 """ |
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269 |
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270 @abstractmethod |
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271 def sign(self, data: bytes, secret_keys: Set[GPGSecretKey]) -> bytes: |
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272 """Sign some data. |
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273 |
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274 OpenPGP's ASCII Armor is not used. |
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275 |
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276 @param data: The data to sign. |
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277 @param secret_keys: The secret keys to sign the data with. |
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278 @return: The OpenPGP message carrying the signed data. |
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279 """ |
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280 |
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281 @abstractmethod |
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282 def sign_detached(self, data: bytes, secret_keys: Set[GPGSecretKey]) -> bytes: |
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283 """Sign some data. Create the signature detached from the data. |
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284 |
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285 OpenPGP's ASCII Armor is not used. |
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286 |
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287 @param data: The data to sign. |
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288 @param secret_keys: The secret keys to sign the data with. |
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289 @return: The OpenPGP message carrying the detached signature. |
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290 """ |
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291 |
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292 @abstractmethod |
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293 def verify(self, signed_data: bytes, public_keys: Set[GPGPublicKey]) -> bytes: |
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294 """Verify signed data. |
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295 |
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296 OpenPGP's ASCII Armor is not used. |
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297 |
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298 @param signed_data: The signed data as an OpenPGP message. |
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299 @param public_keys: The public keys to verify the signature with. |
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300 @return: The verified and unpacked data. |
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301 @raise VerificationFailed: if the data could not be verified. |
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302 |
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303 @warning: For implementors: it has to be confirmed that a valid signature by one |
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304 of the public keys is available. |
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305 """ |
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306 |
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307 @abstractmethod |
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308 def verify_detached( |
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309 self, |
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310 data: bytes, |
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311 signature: bytes, |
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312 public_keys: Set[GPGPublicKey] |
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313 ) -> None: |
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314 """Verify signed data, where the signature was created detached from the data. |
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315 |
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316 OpenPGP's ASCII Armor is not used. |
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317 |
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318 @param data: The data. |
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319 @param signature: The signature as an OpenPGP message. |
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320 @param public_keys: The public keys to verify the signature with. |
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321 @raise VerificationFailed: if the data could not be verified. |
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322 |
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323 @warning: For implementors: it has to be confirmed that a valid signature by one |
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324 of the public keys is available. |
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325 """ |
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326 |
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327 @abstractmethod |
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328 def encrypt( |
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329 self, |
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330 plaintext: bytes, |
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331 public_keys: Set[GPGPublicKey], |
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332 signing_keys: Optional[Set[GPGSecretKey]] = None |
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333 ) -> bytes: |
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334 """Encrypt and optionally sign some data. |
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335 |
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336 OpenPGP's ASCII Armor is not used. |
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337 |
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338 @param plaintext: The data to encrypt and optionally sign. |
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339 @param public_keys: The public keys to encrypt the data for. |
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340 @param signing_keys: The secret keys to sign the data with. |
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341 @return: The OpenPGP message carrying the encrypted and optionally signed data. |
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342 """ |
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343 |
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344 @abstractmethod |
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345 def decrypt( |
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346 self, |
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347 ciphertext: bytes, |
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348 secret_keys: Set[GPGSecretKey], |
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349 public_keys: Optional[Set[GPGPublicKey]] = None |
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350 ) -> bytes: |
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351 """Decrypt and optionally verify some data. |
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352 |
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353 OpenPGP's ASCII Armor is not used. |
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354 |
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355 @param ciphertext: The encrypted and optionally signed data as an OpenPGP message. |
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356 @param secret_keys: The secret keys to attempt decryption with. |
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357 @param public_keys: The public keys to verify the optional signature with. |
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358 @return: The decrypted, optionally verified and unpacked data. |
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359 @raise DecryptionFailed: on decryption failure. |
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360 @raise VerificationFailed: if the data could not be verified. |
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361 |
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362 @warning: For implementors: it has to be confirmed that the data was decrypted |
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363 using one of the secret keys and that a valid signature by one of the public |
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364 keys is available in case the data is signed. |
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365 """ |
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366 |
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367 @abstractmethod |
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368 def list_public_keys(self, user_id: str) -> Set[GPGPublicKey]: |
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369 """List public keys. |
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370 |
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371 @param user_id: The user id. |
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372 @return: The set of public keys available for this user id. |
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373 """ |
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374 |
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375 @abstractmethod |
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376 def list_secret_keys(self, user_id: str) -> Set[GPGSecretKey]: |
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377 """List secret keys. |
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378 |
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379 @param user_id: The user id. |
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380 @return: The set of secret keys available for this user id. |
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381 """ |
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382 |
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383 @abstractmethod |
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384 def can_sign(self, public_key: GPGPublicKey) -> bool: |
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385 """ |
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386 @return: Whether the public key belongs to a key pair capable of signing. |
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387 """ |
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388 |
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389 @abstractmethod |
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390 def can_encrypt(self, public_key: GPGPublicKey) -> bool: |
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391 """ |
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392 @return: Whether the public key belongs to a key pair capable of encryption. |
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393 """ |
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394 |
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395 @abstractmethod |
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396 def create_key(self, user_id: str) -> GPGSecretKey: |
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397 """Create a new GPG key, capable of signing and encryption. |
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398 |
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399 The key is generated without password protection and without expiration. If a key |
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400 with the same user id already exists, a new key is created anyway. |
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401 |
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402 @param user_id: The user id to assign to the new key. |
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403 @return: The new key. |
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404 """ |
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405 |
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406 |
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407 class GPGME_GPGPublicKey(GPGPublicKey): |
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408 """ |
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409 GPG public key implementation based on GnuPG Made Easy (GPGME). |
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410 """ |
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411 |
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412 def __init__(self, key_obj: Any) -> None: |
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413 """ |
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414 @param key_obj: The GPGME key object. |
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415 """ |
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416 |
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417 self.__key_obj = key_obj |
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418 |
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419 @property |
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420 def fingerprint(self) -> str: |
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421 return self.__key_obj.fpr |
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422 |
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423 @property |
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424 def key_obj(self) -> Any: |
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425 return self.__key_obj |
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426 |
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427 |
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428 class GPGME_GPGSecretKey(GPGSecretKey): |
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429 """ |
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430 GPG secret key implementation based on GnuPG Made Easy (GPGME). |
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431 """ |
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432 |
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433 def __init__(self, public_key: GPGME_GPGPublicKey) -> None: |
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434 """ |
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435 @param public_key: The public key corresponding to this secret key. |
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436 """ |
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437 |
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438 self.__public_key = public_key |
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439 |
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440 @property |
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441 def public_key(self) -> GPGME_GPGPublicKey: |
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442 return self.__public_key |
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443 |
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444 |
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445 class GPGME_GPGProvider(GPGProvider): |
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446 """ |
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447 GPG provider implementation based on GnuPG Made Easy (GPGME). |
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448 """ |
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449 |
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450 def __init__(self, home_dir: Optional[str] = None) -> None: |
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451 """ |
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452 @param home_dir: Optional GPG home directory path to use for all operations. |
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453 """ |
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454 |
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455 self.__home_dir = home_dir |
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456 |
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457 def export_public_key(self, public_key: GPGPublicKey) -> bytes: |
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458 assert isinstance(public_key, GPGME_GPGPublicKey) |
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459 |
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460 pattern = public_key.fingerprint |
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|
461 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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462 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
463 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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464 result = c.key_export_minimal(pattern) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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465 except gpg.errors.GPGMEError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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466 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
467 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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468 if result is None: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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469 raise UnknownKey(f"Public key {pattern} not found.") |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
470 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
471 return result |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
472 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
473 def import_public_key(self, packet: bytes) -> GPGPublicKey: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
474 # TODO |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
475 # - Reject packets older than version 4 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
476 # - Check whether it's actually a public key (through packet inspection?) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
477 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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478 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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479 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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480 result = c.key_import(packet) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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481 except gpg.errors.GPGMEError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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482 # From looking at the code, `key_import` never raises. The documentation |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
483 # says it does though, so this is included for future-proofness. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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484 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
485 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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486 if not hasattr(result, "considered"): |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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487 raise InvalidPacket( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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488 f"Data not considered for public key import: {result}" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
489 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
490 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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491 if len(result.imports) != 1: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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492 raise InvalidPacket( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
493 "Public key packet does not contain exactly one public key (not" |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
494 " counting subkeys)." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
495 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
496 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
497 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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498 key_obj = c.get_key(result.imports[0].fpr, secret=False) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
499 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
500 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
501 except gpg.errors.KeyError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
502 raise GPGProviderError("Newly imported public key not found") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
503 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
504 return GPGME_GPGPublicKey(key_obj) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
505 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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506 def backup_secret_key(self, secret_key: GPGSecretKey) -> bytes: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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507 assert isinstance(secret_key, GPGME_GPGSecretKey) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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508 # TODO |
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parents:
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509 # - Handle password protection/pinentry |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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510 # - Make sure the key is exported unencrypted |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
511 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
512 pattern = secret_key.public_key.fingerprint |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
513 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
514 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
515 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
516 result = c.key_export_secret(pattern) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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517 except gpg.errors.GPGMEError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
518 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
519 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
520 if result is None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
521 raise UnknownKey(f"Secret key {pattern} not found.") |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
522 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
523 return result |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
524 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
525 def restore_secret_keys(self, data: bytes) -> Set[GPGSecretKey]: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
526 # TODO |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
527 # - Reject packets older than version 4 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
528 # - Check whether it's actually secret keys (through packet inspection?) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
529 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
530 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
531 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
532 result = c.key_import(data) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
533 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
534 # From looking at the code, `key_import` never raises. The documentation |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
535 # says it does though, so this is included for future-proofness. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
536 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
537 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
538 if not hasattr(result, "considered"): |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
539 raise InvalidPacket( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
540 f"Data not considered for secret key import: {result}" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
541 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
542 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
543 if len(result.imports) == 0: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
544 raise InvalidPacket("Secret key packet does not contain a secret key.") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
545 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
546 secret_keys = set() |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
547 for import_status in result.imports: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
548 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
549 key_obj = c.get_key(import_status.fpr, secret=True) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
550 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
551 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
552 except gpg.errors.KeyError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
553 raise GPGProviderError("Newly imported secret key not found") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
554 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
555 secret_keys.add(GPGME_GPGSecretKey(GPGME_GPGPublicKey(key_obj))) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
556 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
557 return secret_keys |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
558 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
559 def encrypt_symmetrically(self, plaintext: bytes, password: str) -> bytes: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
560 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
561 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
562 ciphertext, __, __ = c.encrypt(plaintext, passphrase=password, sign=False) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
563 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
564 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
565 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
566 return ciphertext |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
567 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
568 def decrypt_symmetrically(self, ciphertext: bytes, password: str) -> bytes: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
569 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
570 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
571 plaintext, __, __ = c.decrypt( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
572 ciphertext, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
573 passphrase=password, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
574 verify=False |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
575 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
576 except gpg.errors.GPGMEError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
577 # TODO: Find out what kind of error is raised if the password is wrong and |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
578 # re-raise it as DecryptionFailed instead. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
579 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
580 except gpg.UnsupportedAlgorithm as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
581 raise DecryptionFailed("Unsupported algorithm") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
582 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
583 return plaintext |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
584 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
585 def sign(self, data: bytes, secret_keys: Set[GPGSecretKey]) -> bytes: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
586 signers = [] |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
587 for secret_key in secret_keys: |
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Syndace <me@syndace.dev>
parents:
diff
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|
588 assert isinstance(secret_key, GPGME_GPGSecretKey) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
589 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
590 signers.append(secret_key.public_key.key_obj) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
591 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
592 with gpg.Context(home_dir=self.__home_dir, signers=signers) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
593 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
594 signed_data, __ = c.sign(data) |
3954 | 595 except gpg.errors.GPGMEError as e: |
3933
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Syndace <me@syndace.dev>
parents:
diff
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|
596 raise GPGProviderError("Internal GPGME error") from e |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
597 except gpg.errors.InvalidSigners as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
598 raise GPGProviderError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
599 "At least one of the secret keys is invalid for signing" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
600 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
601 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
602 return signed_data |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
603 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
604 def sign_detached(self, data: bytes, secret_keys: Set[GPGSecretKey]) -> bytes: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
605 signers = [] |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
606 for secret_key in secret_keys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
607 assert isinstance(secret_key, GPGME_GPGSecretKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
608 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
609 signers.append(secret_key.public_key.key_obj) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
610 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
611 with gpg.Context(home_dir=self.__home_dir, signers=signers) as c: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
612 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
613 signature, __ = c.sign(data, mode=gpg.constants.sig.mode.DETACH) |
3954 | 614 except gpg.errors.GPGMEError as e: |
3933
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
615 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
616 except gpg.errors.InvalidSigners as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
617 raise GPGProviderError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
618 "At least one of the secret keys is invalid for signing" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
619 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
620 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
621 return signature |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
622 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
623 def verify(self, signed_data: bytes, public_keys: Set[GPGPublicKey]) -> bytes: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
624 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
625 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
626 data, result = c.verify(signed_data) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
627 except gpg.errors.GPGMEError as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
628 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
629 except gpg.errors.BadSignatures as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
630 raise VerificationFailed("Bad signatures on signed data") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
631 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
632 valid_signature_found = False |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
633 for public_key in public_keys: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
634 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
635 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
636 for subkey in public_key.key_obj.subkeys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
637 for sig in result.signatures: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
638 if subkey.can_sign and subkey.fpr == sig.fpr: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
639 valid_signature_found = True |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
640 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
641 if not valid_signature_found: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
642 raise VerificationFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
643 "Data not signed by one of the expected public keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
644 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
645 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
646 return data |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
647 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
648 def verify_detached( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
649 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
650 data: bytes, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
651 signature: bytes, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
652 public_keys: Set[GPGPublicKey] |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
653 ) -> None: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
654 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
655 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
656 __, result = c.verify(data, signature=signature) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
657 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
658 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
659 except gpg.errors.BadSignatures as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
660 raise VerificationFailed("Bad signatures on signed data") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
661 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
662 valid_signature_found = False |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
663 for public_key in public_keys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
664 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
665 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
666 for subkey in public_key.key_obj.subkeys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
667 for sig in result.signatures: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
668 if subkey.can_sign and subkey.fpr == sig.fpr: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
669 valid_signature_found = True |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
670 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
671 if not valid_signature_found: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
672 raise VerificationFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
673 "Data not signed by one of the expected public keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
674 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
675 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
676 def encrypt( |
cecf45416403
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Syndace <me@syndace.dev>
parents:
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|
677 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
678 plaintext: bytes, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
679 public_keys: Set[GPGPublicKey], |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
680 signing_keys: Optional[Set[GPGSecretKey]] = None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
681 ) -> bytes: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
682 recipients = [] |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
683 for public_key in public_keys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
684 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
685 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
686 recipients.append(public_key.key_obj) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
687 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
688 signers = [] |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
689 if signing_keys is not None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
690 for secret_key in signing_keys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
691 assert isinstance(secret_key, GPGME_GPGSecretKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
692 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
693 signers.append(secret_key.public_key.key_obj) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
694 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
695 sign = signing_keys is not None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
696 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
697 with gpg.Context(home_dir=self.__home_dir, signers=signers) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
698 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
699 ciphertext, __, __ = c.encrypt( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
700 plaintext, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
701 recipients=recipients, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
702 sign=sign, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
703 always_trust=True, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
704 add_encrypt_to=True |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
705 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
706 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
707 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
708 except gpg.errors.InvalidRecipients as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
709 raise GPGProviderError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
710 "At least one of the public keys is invalid for encryption" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
711 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
712 except gpg.errors.InvalidSigners as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
713 raise GPGProviderError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
714 "At least one of the signing keys is invalid for signing" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
715 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
716 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
717 return ciphertext |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
718 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
719 def decrypt( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
720 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
721 ciphertext: bytes, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
722 secret_keys: Set[GPGSecretKey], |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
723 public_keys: Optional[Set[GPGPublicKey]] = None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
724 ) -> bytes: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
725 verify = public_keys is not None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
726 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
727 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
728 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
729 plaintext, result, verify_result = c.decrypt( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
730 ciphertext, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
731 verify=verify |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
732 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
733 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
734 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
735 except gpg.UnsupportedAlgorithm as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
736 raise DecryptionFailed("Unsupported algorithm") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
737 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
738 # TODO: Check whether the data was decrypted using one of the expected secret |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
739 # keys |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
740 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
741 if public_keys is not None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
742 valid_signature_found = False |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
743 for public_key in public_keys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
744 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
745 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
746 for subkey in public_key.key_obj.subkeys: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
747 for sig in verify_result.signatures: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
748 if subkey.can_sign and subkey.fpr == sig.fpr: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
749 valid_signature_found = True |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
750 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
751 if not valid_signature_found: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
752 raise VerificationFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
753 "Data not signed by one of the expected public keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
754 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
755 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
756 return plaintext |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
757 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
758 def list_public_keys(self, user_id: str) -> Set[GPGPublicKey]: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
759 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
760 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
761 return { |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
762 GPGME_GPGPublicKey(key) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
763 for key |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
764 in c.keylist(pattern=user_id, secret=False) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
765 } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
766 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
767 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
768 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
769 def list_secret_keys(self, user_id: str) -> Set[GPGSecretKey]: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
770 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
771 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
772 return { |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
773 GPGME_GPGSecretKey(GPGME_GPGPublicKey(key)) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
774 for key |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
775 in c.keylist(pattern=user_id, secret=True) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
776 } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
777 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
778 raise GPGProviderError("Internal GPGME error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
779 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
780 def can_sign(self, public_key: GPGPublicKey) -> bool: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
781 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
782 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
783 return any(subkey.can_sign for subkey in public_key.key_obj.subkeys) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
784 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
785 def can_encrypt(self, public_key: GPGPublicKey) -> bool: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
786 assert isinstance(public_key, GPGME_GPGPublicKey) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
787 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
788 return any(subkey.can_encrypt for subkey in public_key.key_obj.subkeys) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
789 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
790 def create_key(self, user_id: str) -> GPGSecretKey: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
791 with gpg.Context(home_dir=self.__home_dir) as c: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
792 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
793 result = c.create_key( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
794 user_id, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
795 expires=False, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
796 sign=True, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
797 encrypt=True, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
798 certify=False, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
799 authenticate=False, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
800 force=True |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
801 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
802 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
803 key_obj = c.get_key(result.fpr, secret=True) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
804 except gpg.errors.GPGMEError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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805 raise GPGProviderError("Internal GPGME error") from e |
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806 except gpg.errors.KeyError as e: |
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807 raise GPGProviderError("Newly created key not found") from e |
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808 |
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809 return GPGME_GPGSecretKey(GPGME_GPGPublicKey(key_obj)) |
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810 |
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811 |
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812 class PublicKeyMetadata(NamedTuple): |
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813 """ |
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814 Metadata about a published public key. |
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815 """ |
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816 fingerprint: str |
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|
817 timestamp: datetime |
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818 |
4212 | 819 def to_dict(self) -> dict: |
820 # Convert the instance to a dictionary and handle datetime serialization | |
821 data = self._asdict() | |
822 data['timestamp'] = self.timestamp.isoformat() | |
823 return data | |
824 | |
825 @staticmethod | |
826 def from_dict(data: dict) -> 'PublicKeyMetadata': | |
827 # Load a serialised dictionary | |
828 data['timestamp'] = datetime.fromisoformat(data['timestamp']) | |
829 return PublicKeyMetadata(**data) | |
830 | |
3933
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831 |
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832 @enum.unique |
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833 class TrustLevel(enum.Enum): |
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834 """ |
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835 The trust levels required for BTBV and manual trust. |
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836 """ |
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|
837 |
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838 TRUSTED: str = "TRUSTED" |
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839 BLINDLY_TRUSTED: str = "BLINDLY_TRUSTED" |
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840 UNDECIDED: str = "UNDECIDED" |
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841 DISTRUSTED: str = "DISTRUSTED" |
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842 |
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843 |
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844 OPENPGP_SCHEMA = xmlschema.XMLSchema("""<?xml version="1.0" encoding="utf8"?> |
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845 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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846 targetNamespace="urn:xmpp:openpgp:0" |
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847 xmlns="urn:xmpp:openpgp:0"> |
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848 |
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849 <xs:element name="openpgp" type="xs:base64Binary"/> |
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850 </xs:schema> |
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851 """) |
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|
852 |
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|
853 |
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|
854 # The following schema needs verion 1.1 of XML Schema, which is not supported by lxml. |
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855 # Luckily, xmlschema exists, which is a clean, well maintained, cross-platform |
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856 # implementation of XML Schema, including version 1.1. |
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857 CONTENT_SCHEMA = xmlschema.XMLSchema11("""<?xml version="1.1" encoding="utf8"?> |
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858 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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859 targetNamespace="urn:xmpp:openpgp:0" |
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860 xmlns="urn:xmpp:openpgp:0"> |
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861 |
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862 <xs:element name="signcrypt"> |
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863 <xs:complexType> |
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864 <xs:all> |
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865 <xs:element ref="to" maxOccurs="unbounded"/> |
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866 <xs:element ref="time"/> |
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867 <xs:element ref="rpad" minOccurs="0"/> |
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868 <xs:element ref="payload"/> |
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869 </xs:all> |
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870 </xs:complexType> |
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871 </xs:element> |
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872 |
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873 <xs:element name="sign"> |
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874 <xs:complexType> |
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875 <xs:all> |
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876 <xs:element ref="to" maxOccurs="unbounded"/> |
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877 <xs:element ref="time"/> |
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878 <xs:element ref="rpad" minOccurs="0"/> |
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879 <xs:element ref="payload"/> |
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880 </xs:all> |
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881 </xs:complexType> |
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882 </xs:element> |
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|
883 |
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|
884 <xs:element name="crypt"> |
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|
885 <xs:complexType> |
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886 <xs:all> |
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|
887 <xs:element ref="to" minOccurs="0" maxOccurs="unbounded"/> |
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|
888 <xs:element ref="time"/> |
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|
889 <xs:element ref="rpad" minOccurs="0"/> |
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890 <xs:element ref="payload"/> |
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891 </xs:all> |
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892 </xs:complexType> |
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893 </xs:element> |
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|
894 |
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|
895 <xs:element name="to"> |
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896 <xs:complexType> |
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897 <xs:attribute name="jid" type="xs:string"/> |
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898 </xs:complexType> |
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899 </xs:element> |
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|
900 |
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|
901 <xs:element name="time"> |
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902 <xs:complexType> |
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903 <xs:attribute name="stamp" type="xs:dateTime"/> |
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|
904 </xs:complexType> |
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905 </xs:element> |
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|
906 |
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|
907 <xs:element name="rpad" type="xs:string"/> |
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|
908 |
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|
909 <xs:element name="payload"> |
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|
910 <xs:complexType> |
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|
911 <xs:sequence> |
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912 <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/> |
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|
913 </xs:sequence> |
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|
914 </xs:complexType> |
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|
915 </xs:element> |
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|
916 </xs:schema> |
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|
917 """) |
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|
918 |
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|
919 |
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920 PUBLIC_KEYS_LIST_NODE = "urn:xmpp:openpgp:0:public-keys" |
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|
921 PUBLIC_KEYS_LIST_SCHEMA = xmlschema.XMLSchema("""<?xml version="1.0" encoding="utf8"?> |
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922 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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923 targetNamespace="urn:xmpp:openpgp:0" |
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924 xmlns="urn:xmpp:openpgp:0"> |
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|
925 |
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|
926 <xs:element name="public-keys-list"> |
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927 <xs:complexType> |
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|
928 <xs:sequence> |
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|
929 <xs:element ref="pubkey-metadata" minOccurs="0" maxOccurs="unbounded"/> |
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|
930 </xs:sequence> |
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|
931 </xs:complexType> |
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|
932 </xs:element> |
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|
933 |
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|
934 <xs:element name="pubkey-metadata"> |
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|
935 <xs:complexType> |
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|
936 <xs:attribute name="v4-fingerprint" type="xs:string"/> |
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|
937 <xs:attribute name="date" type="xs:dateTime"/> |
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|
938 </xs:complexType> |
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|
939 </xs:element> |
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|
940 </xs:schema> |
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|
941 """) |
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|
942 |
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|
943 |
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|
944 PUBKEY_SCHEMA = xmlschema.XMLSchema("""<?xml version="1.0" encoding="utf8"?> |
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|
945 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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|
946 targetNamespace="urn:xmpp:openpgp:0" |
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|
947 xmlns="urn:xmpp:openpgp:0"> |
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|
948 |
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|
949 <xs:element name="pubkey"> |
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|
950 <xs:complexType> |
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|
951 <xs:all> |
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952 <xs:element ref="data"/> |
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953 </xs:all> |
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954 <xs:anyAttribute processContents="skip"/> |
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955 </xs:complexType> |
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|
956 </xs:element> |
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diff
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|
957 |
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|
958 <xs:element name="data" type="xs:base64Binary"/> |
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|
959 </xs:schema> |
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|
960 """) |
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|
961 |
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|
962 |
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|
963 SECRETKEY_SCHEMA = xmlschema.XMLSchema("""<?xml version="1.0" encoding="utf8"?> |
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964 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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965 targetNamespace="urn:xmpp:openpgp:0" |
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|
966 xmlns="urn:xmpp:openpgp:0"> |
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967 |
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|
968 <xs:element name="secretkey" type="xs:base64Binary"/> |
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969 </xs:schema> |
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|
970 """) |
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|
971 |
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|
972 |
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|
973 DEFAULT_TRUST_MODEL_PARAM = f""" |
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|
974 <params> |
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|
975 <individual> |
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976 <category name="{PARAM_CATEGORY}" label={quoteattr(D_('Security'))}> |
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977 <param name="{PARAM_NAME}" |
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978 label={quoteattr(D_('OMEMO default trust policy'))} |
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979 type="list" security="3"> |
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980 <option value="manual" label={quoteattr(D_('Manual trust (more secure)'))} /> |
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981 <option value="btbv" |
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982 label={quoteattr(D_('Blind Trust Before Verification (more user friendly)'))} |
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|
983 selected="true" /> |
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984 </param> |
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|
985 </category> |
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|
986 </individual> |
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987 </params> |
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|
988 """ |
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|
989 |
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|
990 |
4072
040095a5dc7f
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Goffi <goffi@goffi.org>
parents:
4071
diff
changeset
|
991 def get_gpg_provider(sat: LiberviaBackend, client: SatXMPPClient) -> GPGProvider: |
3933
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992 """Get the GPG provider for a client. |
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993 |
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|
994 @param sat: The SAT instance. |
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995 @param client: The client. |
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996 @return: The GPG provider specifically for that client. |
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997 """ |
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998 |
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999 return GPGME_GPGProvider(str(sat.get_local_path(client, "gnupg-home"))) |
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1000 |
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1001 |
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|
1002 def generate_passphrase() -> str: |
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1003 """Generate a secure passphrase for symmetric encryption. |
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1004 |
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1005 @return: The passphrase. |
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1006 """ |
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1007 |
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1008 return "-".join("".join( |
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1009 secrets.choice("123456789ABCDEFGHIJKLMNPQRSTUVWXYZ") for __ in range(4) |
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1010 ) for __ in range(6)) |
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1011 |
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1012 |
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1013 # TODO: Handle the user id mess |
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1014 class XEP_0373: |
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1015 """ |
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1016 Implementation of XEP-0373: OpenPGP for XMPP under namespace ``urn:xmpp:openpgp:0``. |
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1017 """ |
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1018 |
4072
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1019 def __init__(self, host: LiberviaBackend) -> None: |
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1020 """ |
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1021 @param sat: The SAT instance. |
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1022 """ |
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1023 |
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1024 self.host = host |
3933
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1025 |
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1026 # Add configuration option to choose between manual trust and BTBV as the trust |
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1027 # model |
4037
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1028 host.memory.update_params(DEFAULT_TRUST_MODEL_PARAM) |
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1029 |
3960
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1030 self.__xep_0045 = cast(Optional[XEP_0045], host.plugins.get("XEP-0045")) |
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1031 self.__xep_0060 = cast(XEP_0060, host.plugins["XEP-0060"]) |
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1032 |
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1033 self.__storage: Dict[str, persistent.LazyPersistentBinaryDict] = {} |
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1034 |
3960
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1035 xep_0163 = cast(XEP_0163, host.plugins["XEP-0163"]) |
4037
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1036 xep_0163.add_pep_event( |
3933
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1037 "OX_PUBLIC_KEYS_LIST", |
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1038 PUBLIC_KEYS_LIST_NODE, |
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1039 lambda items_event, profile: defer.ensureDeferred( |
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1040 self.__on_public_keys_list_update(items_event, profile) |
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1041 ) |
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1042 ) |
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1043 |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
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|
1044 async def profile_connecting(self, client): |
3960
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
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3954
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1045 client.gpg_provider = get_gpg_provider(self.host, client) |
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
parents:
3954
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|
1046 |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
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diff
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|
1047 async def profile_connected( # pylint: disable=invalid-name |
3933
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1048 self, |
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1049 client: SatXMPPClient |
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1050 ) -> None: |
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1051 """ |
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1052 @param client: The client. |
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1053 """ |
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diff
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|
1054 |
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|
1055 profile = cast(str, client.profile) |
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diff
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|
1056 |
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1057 if not profile in self.__storage: |
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1058 self.__storage[profile] = \ |
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1059 persistent.LazyPersistentBinaryDict("XEP-0373", client.profile) |
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1060 |
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1061 if len(self.list_secret_keys(client)) == 0: |
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1062 log.debug(f"Generating first GPG key for {client.jid.userhost()}.") |
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1063 await self.create_key(client) |
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1064 |
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1065 async def __on_public_keys_list_update( |
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1066 self, |
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1067 items_event: pubsub.ItemsEvent, |
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1068 profile: str |
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1069 ) -> None: |
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1070 """Handle public keys list updates fired by PEP. |
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1071 |
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1072 @param items_event: The event. |
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1073 @param profile: The profile this event belongs to. |
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1074 """ |
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1075 |
4037
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Goffi <goffi@goffi.org>
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1076 client = self.host.get_client(profile) |
3933
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1077 |
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1078 sender = cast(jid.JID, items_event.sender) |
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1079 items = cast(List[domish.Element], items_event.items) |
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1080 |
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1081 if len(items) > 1: |
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1082 log.warning("Ignoring public keys list update with more than one element.") |
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1083 return |
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|
1084 |
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1085 item_elt = next(iter(items), None) |
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1086 if item_elt is None: |
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1087 log.debug("Ignoring empty public keys list update.") |
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1088 return |
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|
1089 |
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1090 public_keys_list_elt = cast( |
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1091 Optional[domish.Element], |
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1092 next(item_elt.elements(NS_OX, "public-keys-list"), None) |
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1093 ) |
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1094 |
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|
1095 pubkey_metadata_elts: Optional[List[domish.Element]] = None |
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|
1096 |
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|
1097 if public_keys_list_elt is not None: |
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1098 try: |
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1099 PUBLIC_KEYS_LIST_SCHEMA.validate(public_keys_list_elt.toXml()) |
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1100 except xmlschema.XMLSchemaValidationError: |
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|
1101 pass |
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|
1102 else: |
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1103 pubkey_metadata_elts = \ |
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1104 list(public_keys_list_elt.elements(NS_OX, "pubkey-metadata")) |
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|
1105 |
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|
1106 if pubkey_metadata_elts is None: |
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|
1107 log.warning(f"Malformed public keys list update item: {item_elt.toXml()}") |
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1108 return |
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|
1109 |
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1110 new_public_keys_metadata = { PublicKeyMetadata( |
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1111 fingerprint=cast(str, pubkey_metadata_elt["v4-fingerprint"]), |
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1112 timestamp=parse_datetime(cast(str, pubkey_metadata_elt["date"])) |
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1113 ) for pubkey_metadata_elt in pubkey_metadata_elts } |
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1114 |
3942
a92eef737703
plugin XEP-0373: download public keys if they are not found in local storage:
Goffi <goffi@goffi.org>
parents:
3933
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|
1115 storage_key = STR_KEY_PUBLIC_KEYS_METADATA.format(sender.userhost()) |
3933
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1116 |
4212 | 1117 local_public_keys_metadata = { |
1118 PublicKeyMetadata.from_dict(pkm) | |
1119 for pkm in await self.__storage[profile].get(storage_key, []) | |
1120 } | |
3933
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1121 |
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1122 unchanged_keys = new_public_keys_metadata & local_public_keys_metadata |
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1123 changed_or_new_keys = new_public_keys_metadata - unchanged_keys |
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1124 available_keys = self.list_public_keys(client, sender) |
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1125 |
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1126 for key_metadata in changed_or_new_keys: |
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1127 # Check whether the changed or new key has been imported before |
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1128 if any(key.fingerprint == key_metadata.fingerprint for key in available_keys): |
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1129 try: |
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1130 # If it has been imported before, try to update it |
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1131 await self.import_public_key(client, sender, key_metadata.fingerprint) |
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1132 except Exception as e: |
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1133 log.warning(f"Public key import failed: {e}") |
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1134 |
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1135 # If the update fails, remove the key from the local metadata list |
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1136 # such that the update is attempted again next time |
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1137 new_public_keys_metadata.remove(key_metadata) |
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1138 |
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1139 # Check whether this update was for our account and make sure all of our keys are |
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1140 # included in the update |
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1141 if sender.userhost() == client.jid.userhost(): |
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1142 secret_keys = self.list_secret_keys(client) |
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1143 missing_keys = set(filter(lambda secret_key: all( |
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1144 key_metadata.fingerprint != secret_key.public_key.fingerprint |
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1145 for key_metadata |
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1146 in new_public_keys_metadata |
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1147 ), secret_keys)) |
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1148 |
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1149 if len(missing_keys) > 0: |
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1150 log.warning( |
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1151 "Public keys list update did not contain at least one of our keys." |
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1152 f" {new_public_keys_metadata}" |
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1153 ) |
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|
1154 |
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1155 for missing_key in missing_keys: |
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1156 log.warning(missing_key.public_key.fingerprint) |
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1157 new_public_keys_metadata.add(PublicKeyMetadata( |
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1158 fingerprint=missing_key.public_key.fingerprint, |
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1159 timestamp=datetime.now(timezone.utc) |
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1160 )) |
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1161 |
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1162 await self.publish_public_keys_list(client, new_public_keys_metadata) |
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1163 |
4212 | 1164 await self.__storage[profile].force( |
1165 storage_key, | |
1166 [pkm.to_dict() for pkm in new_public_keys_metadata] | |
1167 ) | |
3933
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1168 |
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1169 def list_public_keys(self, client: SatXMPPClient, jid: jid.JID) -> Set[GPGPublicKey]: |
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1170 """List GPG public keys available for a JID. |
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1171 |
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1172 @param client: The client to perform this operation with. |
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1173 @param jid: The JID. Can be a bare JID. |
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1174 @return: The set of public keys available for this JID. |
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1175 """ |
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1176 |
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1177 gpg_provider = get_gpg_provider(self.host, client) |
3933
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1178 |
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1179 return gpg_provider.list_public_keys(f"xmpp:{jid.userhost()}") |
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1180 |
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1181 def list_secret_keys(self, client: SatXMPPClient) -> Set[GPGSecretKey]: |
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1182 """List GPG secret keys available for a JID. |
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1183 |
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1184 @param client: The client to perform this operation with. |
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1185 @return: The set of secret keys available for this JID. |
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1186 """ |
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1187 |
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1188 gpg_provider = get_gpg_provider(self.host, client) |
3933
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1189 |
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1190 return gpg_provider.list_secret_keys(f"xmpp:{client.jid.userhost()}") |
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1191 |
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1192 async def create_key(self, client: SatXMPPClient) -> GPGSecretKey: |
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1193 """Create a new GPG key, capable of signing and encryption. |
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1194 |
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1195 The key is generated without password protection and without expiration. |
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1196 |
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1197 @param client: The client to perform this operation with. |
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1198 @return: The new key. |
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1199 """ |
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1200 |
3960
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1201 gpg_provider = get_gpg_provider(self.host, client) |
3933
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1202 |
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1203 secret_key = gpg_provider.create_key(f"xmpp:{client.jid.userhost()}") |
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1204 |
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1205 await self.publish_public_key(client, secret_key.public_key) |
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1206 |
3942
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1207 storage_key = STR_KEY_PUBLIC_KEYS_METADATA.format(client.jid.userhost()) |
3933
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1208 |
4212 | 1209 public_keys_list = { |
1210 PublicKeyMetadata.from_dict(pkm) | |
1211 for pkm in await self.__storage[client.profile].get(storage_key, []) | |
1212 } | |
3933
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1213 |
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1214 public_keys_list.add(PublicKeyMetadata( |
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1215 fingerprint=secret_key.public_key.fingerprint, |
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1216 timestamp=datetime.now(timezone.utc) |
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1217 )) |
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1218 |
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1219 await self.publish_public_keys_list(client, public_keys_list) |
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1220 |
4217
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plugin XEP-0373: fix serialisation of `public_key_list`
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4212
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1221 await self.__storage[client.profile].force( |
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1222 storage_key, |
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4212
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1223 [pkm.to_dict() for pkm in public_keys_list] |
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1224 ) |
3933
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1225 |
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1226 return secret_key |
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1227 |
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1228 @staticmethod |
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1229 def __build_content_element( |
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1230 element_name: Literal["signcrypt", "sign", "crypt"], |
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1231 recipient_jids: Iterable[jid.JID], |
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1232 include_rpad: bool |
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1233 ) -> Tuple[domish.Element, domish.Element]: |
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1234 """Build a content element. |
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1235 |
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1236 @param element_name: The name of the content element. |
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1237 @param recipient_jids: The intended recipients of this content element. Can be |
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1238 bare JIDs. |
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1239 @param include_rpad: Whether to include random-length random-content padding. |
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1240 @return: The content element and the ``<payload/>`` element to add the stanza |
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1241 extension elements to. |
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1242 """ |
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1243 |
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1244 content_elt = domish.Element((NS_OX, element_name)) |
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1245 |
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1246 for recipient_jid in recipient_jids: |
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1247 content_elt.addElement("to")["jid"] = recipient_jid.userhost() |
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1248 |
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1249 content_elt.addElement("time")["stamp"] = format_datetime() |
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1250 |
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1251 if include_rpad: |
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1252 # XEP-0373 doesn't specify bounds for the length of the random padding. This |
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1253 # uses the bounds specified in XEP-0420 for the closely related rpad affix. |
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1254 rpad_length = secrets.randbelow(201) |
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1255 rpad_content = "".join( |
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1256 secrets.choice(string.digits + string.ascii_letters + string.punctuation) |
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1257 for __ |
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1258 in range(rpad_length) |
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1259 ) |
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1260 content_elt.addElement("rpad", content=rpad_content) |
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1261 |
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1262 payload_elt = content_elt.addElement("payload") |
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1263 |
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1264 return content_elt, payload_elt |
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1265 |
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1266 @staticmethod |
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1267 def build_signcrypt_element( |
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1268 recipient_jids: Iterable[jid.JID] |
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1269 ) -> Tuple[domish.Element, domish.Element]: |
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1270 """Build a ``<signcrypt/>`` content element. |
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1271 |
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1272 @param recipient_jids: The intended recipients of this content element. Can be |
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1273 bare JIDs. |
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1274 @return: The ``<signcrypt/>`` element and the ``<payload/>`` element to add the |
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1275 stanza extension elements to. |
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1276 """ |
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1277 |
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1278 if len(recipient_jids) == 0: |
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1279 raise ValueError("Recipient JIDs must be provided.") |
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1280 |
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1281 return XEP_0373.__build_content_element("signcrypt", recipient_jids, True) |
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1282 |
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1283 @staticmethod |
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1284 def build_sign_element( |
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1285 recipient_jids: Iterable[jid.JID], |
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1286 include_rpad: bool |
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1287 ) -> Tuple[domish.Element, domish.Element]: |
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1288 """Build a ``<sign/>`` content element. |
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1289 |
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1290 @param recipient_jids: The intended recipients of this content element. Can be |
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1291 bare JIDs. |
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1292 @param include_rpad: Whether to include random-length random-content padding, |
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1293 which is OPTIONAL for the ``<sign/>`` content element. |
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1294 @return: The ``<sign/>`` element and the ``<payload/>`` element to add the stanza |
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1295 extension elements to. |
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1296 """ |
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1297 |
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1298 if len(recipient_jids) == 0: |
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1299 raise ValueError("Recipient JIDs must be provided.") |
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1300 |
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1301 return XEP_0373.__build_content_element("sign", recipient_jids, include_rpad) |
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1302 |
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1303 @staticmethod |
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1304 def build_crypt_element( |
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1305 recipient_jids: Iterable[jid.JID] |
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1306 ) -> Tuple[domish.Element, domish.Element]: |
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1307 """Build a ``<crypt/>`` content element. |
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1308 |
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1309 @param recipient_jids: The intended recipients of this content element. Specifying |
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1310 the intended recipients is OPTIONAL for the ``<crypt/>`` content element. Can |
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1311 be bare JIDs. |
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1312 @return: The ``<crypt/>`` element and the ``<payload/>`` element to add the stanza |
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1313 extension elements to. |
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1314 """ |
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1315 |
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1316 return XEP_0373.__build_content_element("crypt", recipient_jids, True) |
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1317 |
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1318 async def build_openpgp_element( |
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1319 self, |
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1320 client: SatXMPPClient, |
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1321 content_elt: domish.Element, |
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1322 recipient_jids: Set[jid.JID] |
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1323 ) -> domish.Element: |
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1324 """Build an ``<openpgp/>`` element. |
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1325 |
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1326 @param client: The client to perform this operation with. |
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1327 @param content_elt: The content element to contain in the ``<openpgp/>`` element. |
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1328 @param recipient_jids: The recipient's JIDs. Can be bare JIDs. |
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1329 @return: The ``<openpgp/>`` element. |
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1330 """ |
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1331 |
3960
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
parents:
3954
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1332 gpg_provider = get_gpg_provider(self.host, client) |
3933
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1333 |
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1334 # TODO: I'm not sure whether we want to sign with all keys by default or choose |
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1335 # just one key/a subset of keys to sign with. |
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1336 signing_keys = set(filter( |
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1337 lambda secret_key: gpg_provider.can_sign(secret_key.public_key), |
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1338 self.list_secret_keys(client) |
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1339 )) |
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1340 |
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1341 encryption_keys: Set[GPGPublicKey] = set() |
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1342 |
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1343 for recipient_jid in recipient_jids: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
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1344 # import all keys of the recipient |
3933
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1345 all_public_keys = await self.import_all_public_keys(client, recipient_jid) |
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1346 |
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1347 # Filter for keys that can encrypt |
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1348 encryption_keys |= set(filter(gpg_provider.can_encrypt, all_public_keys)) |
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1349 |
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1350 # TODO: Handle trust |
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1351 |
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1352 content = content_elt.toXml().encode("utf-8") |
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1353 data: bytes |
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1354 |
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1355 if content_elt.name == "signcrypt": |
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1356 data = gpg_provider.encrypt(content, encryption_keys, signing_keys) |
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1357 elif content_elt.name == "sign": |
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1358 data = gpg_provider.sign(content, signing_keys) |
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1359 elif content_elt.name == "crypt": |
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1360 data = gpg_provider.encrypt(content, encryption_keys) |
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1361 else: |
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1362 raise ValueError(f"Unknown content element <{content_elt.name}/>") |
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1363 |
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1364 openpgp_elt = domish.Element((NS_OX, "openpgp")) |
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1365 openpgp_elt.addContent(base64.b64encode(data).decode("ASCII")) |
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1366 return openpgp_elt |
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|
1367 |
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|
1368 async def unpack_openpgp_element( |
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1369 self, |
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|
1370 client: SatXMPPClient, |
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1371 openpgp_elt: domish.Element, |
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1372 element_name: Literal["signcrypt", "sign", "crypt"], |
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1373 sender_jid: jid.JID |
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1374 ) -> Tuple[domish.Element, datetime]: |
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1375 """Verify, decrypt and unpack an ``<openpgp/>`` element. |
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|
1376 |
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1377 @param client: The client to perform this operation with. |
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1378 @param openpgp_elt: The ``<openpgp/>`` element. |
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1379 @param element_name: The name of the content element. |
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1380 @param sender_jid: The sender's JID. Can be a bare JID. |
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1381 @return: The ``<payload/>`` element containing the decrypted/verified stanza |
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1382 extension elements carried by this ``<openpgp/>`` element, and the timestamp |
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|
1383 contained in the content element. |
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|
1384 @raise exceptions.ParsingError: on syntactical verification errors. |
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|
1385 @raise VerificationError: on semantical verification errors accoding to XEP-0373. |
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|
1386 @raise DecryptionFailed: on decryption failure. |
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|
1387 @raise VerificationFailed: if the data could not be verified. |
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|
1388 |
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|
1389 @warning: The timestamp is not verified for plausibility; this SHOULD be done by |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1390 the calling code. |
cecf45416403
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parents:
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|
1391 """ |
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parents:
diff
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|
1392 |
3960
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
parents:
3954
diff
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|
1393 gpg_provider = get_gpg_provider(self.host, client) |
3933
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|
1394 |
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|
1395 decryption_keys = set(filter( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1396 lambda secret_key: gpg_provider.can_encrypt(secret_key.public_key), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1397 self.list_secret_keys(client) |
cecf45416403
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parents:
diff
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|
1398 )) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1399 |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
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|
1400 # import all keys of the sender |
3933
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1401 all_public_keys = await self.import_all_public_keys(client, sender_jid) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1402 |
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parents:
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|
1403 # Filter for keys that can sign |
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parents:
diff
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|
1404 verification_keys = set(filter(gpg_provider.can_sign, all_public_keys)) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1405 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1406 # TODO: Handle trust |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1407 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1408 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1409 OPENPGP_SCHEMA.validate(openpgp_elt.toXml()) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1410 except xmlschema.XMLSchemaValidationError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
1411 raise exceptions.ParsingError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1412 "<openpgp/> element doesn't pass schema validation." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1413 ) from e |
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|
1414 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1415 openpgp_message = base64.b64decode(str(openpgp_elt)) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1416 content: bytes |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1417 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1418 if element_name == "signcrypt": |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1419 content = gpg_provider.decrypt( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1420 openpgp_message, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1421 decryption_keys, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1422 public_keys=verification_keys |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1423 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1424 elif element_name == "sign": |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1425 content = gpg_provider.verify(openpgp_message, verification_keys) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1426 elif element_name == "crypt": |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1427 content = gpg_provider.decrypt(openpgp_message, decryption_keys) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1428 else: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1429 assert_never(element_name) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1430 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1431 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1432 content_elt = cast( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1433 domish.Element, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1434 xml_tools.ElementParser()(content.decode("utf-8")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1435 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1436 except UnicodeDecodeError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1437 raise exceptions.ParsingError("UTF-8 decoding error") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1438 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1439 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1440 CONTENT_SCHEMA.validate(content_elt.toXml()) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1441 except xmlschema.XMLSchemaValidationError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1442 raise exceptions.ParsingError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1443 f"<{element_name}/> element doesn't pass schema validation." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1444 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1445 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1446 if content_elt.name != element_name: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1447 raise exceptions.ParsingError(f"Not a <{element_name}/> element.") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1448 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1449 recipient_jids = \ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1450 { jid.JID(to_elt["jid"]) for to_elt in content_elt.elements(NS_OX, "to") } |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1451 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1452 if ( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1453 client.jid.userhostJID() not in { jid.userhostJID() for jid in recipient_jids } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1454 and element_name != "crypt" |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1455 ): |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1456 raise VerificationError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1457 f"Recipient list in <{element_name}/> element does not list our (bare)" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1458 f" JID." |
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parents:
diff
changeset
|
1459 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1460 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1461 time_elt = next(content_elt.elements(NS_OX, "time")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1462 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1463 timestamp = parse_datetime(time_elt["stamp"]) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1464 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1465 payload_elt = next(content_elt.elements(NS_OX, "payload")) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1466 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1467 return payload_elt, timestamp |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1468 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1469 async def publish_public_key( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1470 self, |
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parents:
diff
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|
1471 client: SatXMPPClient, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1472 public_key: GPGPublicKey |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1473 ) -> None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1474 """Publish a public key. |
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parents:
diff
changeset
|
1475 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1476 @param client: The client. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1477 @param public_key: The public key to publish. |
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parents:
diff
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|
1478 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1479 """ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1480 |
3960
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
parents:
3954
diff
changeset
|
1481 gpg_provider = get_gpg_provider(self.host, client) |
3933
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parents:
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|
1482 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1483 packet = gpg_provider.export_public_key(public_key) |
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parents:
diff
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|
1484 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1485 node = f"urn:xmpp:openpgp:0:public-keys:{public_key.fingerprint}" |
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parents:
diff
changeset
|
1486 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1487 pubkey_elt = domish.Element((NS_OX, "pubkey")) |
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parents:
diff
changeset
|
1488 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1489 pubkey_elt.addElement("data", content=base64.b64encode(packet).decode("ASCII")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1490 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1491 try: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
1492 await self.__xep_0060.send_item( |
3933
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1493 client, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1494 client.jid.userhostJID(), |
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1495 node, |
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1496 pubkey_elt, |
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1497 format_datetime(), |
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1498 extra={ |
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1499 XEP_0060.EXTRA_PUBLISH_OPTIONS: { |
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1500 XEP_0060.OPT_PERSIST_ITEMS: "true", |
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1501 XEP_0060.OPT_ACCESS_MODEL: "open", |
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1502 XEP_0060.OPT_MAX_ITEMS: 1 |
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1503 }, |
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1504 # TODO: Do we really want publish_without_options here? |
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1505 XEP_0060.EXTRA_ON_PRECOND_NOT_MET: "publish_without_options" |
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1506 } |
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1507 ) |
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1508 except Exception as e: |
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1509 raise XMPPInteractionFailed("Publishing the public key failed.") from e |
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1510 |
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1511 async def import_all_public_keys( |
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1512 self, |
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1513 client: SatXMPPClient, |
3942
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plugin XEP-0373: download public keys if they are not found in local storage:
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1514 entity_jid: jid.JID |
3933
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1515 ) -> Set[GPGPublicKey]: |
4037
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Goffi <goffi@goffi.org>
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3960
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1516 """import all public keys of a JID that have not been imported before. |
3933
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1517 |
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1518 @param client: The client. |
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1519 @param jid: The JID. Can be a bare JID. |
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1520 @return: The public keys. |
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1521 @note: Failure to import a key simply results in the key not being included in the |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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1522 result. |
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1523 """ |
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1524 |
3942
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1525 available_public_keys = self.list_public_keys(client, entity_jid) |
3933
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1526 |
3942
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1527 storage_key = STR_KEY_PUBLIC_KEYS_METADATA.format(entity_jid.userhost()) |
3933
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1528 |
4212 | 1529 public_keys_metadata = { |
1530 PublicKeyMetadata.from_dict(pkm) | |
1531 for pkm in await self.__storage[client.profile].get(storage_key, []) | |
1532 } | |
3942
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plugin XEP-0373: download public keys if they are not found in local storage:
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1533 if not public_keys_metadata: |
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plugin XEP-0373: download public keys if they are not found in local storage:
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3933
diff
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1534 public_keys_metadata = await self.download_public_keys_list( |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
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|
1535 client, entity_jid |
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plugin XEP-0373: download public keys if they are not found in local storage:
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1536 ) |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
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|
1537 if not public_keys_metadata: |
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plugin XEP-0373: download public keys if they are not found in local storage:
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|
1538 raise exceptions.NotFound( |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
3933
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1539 f"Can't find public keys for {entity_jid}" |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
3933
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1540 ) |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
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|
1541 else: |
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
3933
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1542 await self.__storage[client.profile].aset( |
4212 | 1543 storage_key, |
1544 [pkm.to_dict() for pkm in public_keys_metadata] | |
3942
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3933
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1545 ) |
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1546 |
3933
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1547 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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1548 missing_keys = set(filter(lambda public_key_metadata: all( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1549 public_key_metadata.fingerprint != public_key.fingerprint |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1550 for public_key |
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|
1551 in available_public_keys |
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|
1552 ), public_keys_metadata)) |
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|
1553 |
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|
1554 for missing_key in missing_keys: |
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Syndace <me@syndace.dev>
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1555 try: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1556 available_public_keys.add( |
3942
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
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|
1557 await self.import_public_key(client, entity_jid, missing_key.fingerprint) |
3933
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|
1558 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1559 except Exception as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1560 log.warning( |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
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|
1561 f"import of public key {missing_key.fingerprint} owned by" |
3942
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plugin XEP-0373: download public keys if they are not found in local storage:
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parents:
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|
1562 f" {entity_jid.userhost()} failed, ignoring: {e}" |
3933
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|
1563 ) |
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|
1564 |
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|
1565 return available_public_keys |
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|
1566 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1567 async def import_public_key( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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diff
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|
1568 self, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1569 client: SatXMPPClient, |
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|
1570 jid: jid.JID, |
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|
1571 fingerprint: str |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1572 ) -> GPGPublicKey: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
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|
1573 """import a public key. |
3933
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|
1574 |
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|
1575 @param client: The client. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1576 @param jid: The JID owning the public key. Can be a bare JID. |
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|
1577 @param fingerprint: The fingerprint of the public key. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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|
1578 @return: The public key. |
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parents:
diff
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|
1579 @raise exceptions.NotFound: if the public key was not found. |
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|
1580 @raise exceptions.ParsingError: on XML-level parsing errors. |
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parents:
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|
1581 @raise InvalidPacket: if the packet is either syntactically or semantically deemed |
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parents:
diff
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|
1582 invalid. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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diff
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|
1583 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1584 """ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1585 |
3960
4836b81c5f31
plugin XEP-0373: minor renaming + set `gpg_provider` in client:
Goffi <goffi@goffi.org>
parents:
3954
diff
changeset
|
1586 gpg_provider = get_gpg_provider(self.host, client) |
3933
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|
1587 |
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|
1588 node = f"urn:xmpp:openpgp:0:public-keys:{fingerprint}" |
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|
1589 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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diff
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|
1590 try: |
4037
524856bd7b19
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Goffi <goffi@goffi.org>
parents:
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diff
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|
1591 items, __ = await self.__xep_0060.get_items( |
3933
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|
1592 client, |
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|
1593 jid.userhostJID(), |
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|
1594 node, |
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parents:
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|
1595 max_items=1 |
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|
1596 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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changeset
|
1597 except exceptions.NotFound as e: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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changeset
|
1598 raise exceptions.NotFound( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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changeset
|
1599 f"No public key with fingerprint {fingerprint} published by JID" |
cecf45416403
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parents:
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|
1600 f" {jid.userhost()}." |
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parents:
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|
1601 ) from e |
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|
1602 except Exception as e: |
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parents:
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|
1603 raise XMPPInteractionFailed("Fetching the public keys list failed.") from e |
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parents:
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|
1604 |
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parents:
diff
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|
1605 try: |
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parents:
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|
1606 item_elt = cast(domish.Element, items[0]) |
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parents:
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|
1607 except IndexError as e: |
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parents:
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|
1608 raise exceptions.NotFound( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1609 f"No public key with fingerprint {fingerprint} published by JID" |
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parents:
diff
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|
1610 f" {jid.userhost()}." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1611 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1612 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1613 pubkey_elt = cast( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1614 Optional[domish.Element], |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1615 next(item_elt.elements(NS_OX, "pubkey"), None) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1616 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1617 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1618 if pubkey_elt is None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1619 raise exceptions.ParsingError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1620 f"Publish-Subscribe item of JID {jid.userhost()} doesn't contain pubkey" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1621 f" element." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1622 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1623 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1624 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1625 PUBKEY_SCHEMA.validate(pubkey_elt.toXml()) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1626 except xmlschema.XMLSchemaValidationError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1627 raise exceptions.ParsingError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1628 f"Publish-Subscribe item of JID {jid.userhost()} doesn't pass pubkey" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1629 f" schema validation." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1630 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1631 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1632 public_key = gpg_provider.import_public_key(base64.b64decode(str( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1633 next(pubkey_elt.elements(NS_OX, "data")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1634 ))) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1635 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1636 return public_key |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1637 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1638 async def publish_public_keys_list( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1639 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1640 client: SatXMPPClient, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1641 public_keys_list: Iterable[PublicKeyMetadata] |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1642 ) -> None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1643 """Publish/update the own public keys list. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1644 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1645 @param client: The client. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1646 @param public_keys_list: The public keys list. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1647 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1648 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1649 @warning: All public keys referenced in the public keys list MUST be published |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1650 beforehand. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1651 """ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1652 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1653 if len({ pkm.fingerprint for pkm in public_keys_list }) != len(public_keys_list): |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1654 raise ValueError("Public keys list contains duplicate fingerprints.") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1655 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1656 node = "urn:xmpp:openpgp:0:public-keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1657 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1658 public_keys_list_elt = domish.Element((NS_OX, "public-keys-list")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1659 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1660 for public_key_metadata in public_keys_list: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1661 pubkey_metadata_elt = public_keys_list_elt.addElement("pubkey-metadata") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1662 pubkey_metadata_elt["v4-fingerprint"] = public_key_metadata.fingerprint |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1663 pubkey_metadata_elt["date"] = format_datetime(public_key_metadata.timestamp) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1664 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1665 try: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
1666 await self.__xep_0060.send_item( |
3933
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1667 client, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1668 client.jid.userhostJID(), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1669 node, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1670 public_keys_list_elt, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1671 item_id=XEP_0060.ID_SINGLETON, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1672 extra={ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1673 XEP_0060.EXTRA_PUBLISH_OPTIONS: { |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1674 XEP_0060.OPT_PERSIST_ITEMS: "true", |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1675 XEP_0060.OPT_ACCESS_MODEL: "open", |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1676 XEP_0060.OPT_MAX_ITEMS: 1 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1677 }, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1678 # TODO: Do we really want publish_without_options here? |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1679 XEP_0060.EXTRA_ON_PRECOND_NOT_MET: "publish_without_options" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1680 } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1681 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1682 except Exception as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1683 raise XMPPInteractionFailed("Publishing the public keys list failed.") from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1684 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1685 async def download_public_keys_list( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1686 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1687 client: SatXMPPClient, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1688 jid: jid.JID |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1689 ) -> Optional[Set[PublicKeyMetadata]]: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1690 """Download the public keys list of a JID. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1691 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1692 @param client: The client. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1693 @param jid: The JID. Can be a bare JID. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1694 @return: The public keys list or ``None`` if the JID hasn't published a public |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1695 keys list. An empty list means the JID has published an empty list. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1696 @raise exceptions.ParsingError: on XML-level parsing errors. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1697 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1698 """ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1699 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1700 node = "urn:xmpp:openpgp:0:public-keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1701 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1702 try: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
1703 items, __ = await self.__xep_0060.get_items( |
3933
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1704 client, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1705 jid.userhostJID(), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1706 node, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1707 max_items=1 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1708 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1709 except exceptions.NotFound: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1710 return None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1711 except Exception as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1712 raise XMPPInteractionFailed() from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1713 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1714 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1715 item_elt = cast(domish.Element, items[0]) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1716 except IndexError: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1717 return None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1718 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1719 public_keys_list_elt = cast( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1720 Optional[domish.Element], |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1721 next(item_elt.elements(NS_OX, "public-keys-list"), None) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1722 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1723 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1724 if public_keys_list_elt is None: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1725 return None |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1726 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1727 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1728 PUBLIC_KEYS_LIST_SCHEMA.validate(public_keys_list_elt.toXml()) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1729 except xmlschema.XMLSchemaValidationError as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1730 raise exceptions.ParsingError( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1731 f"Publish-Subscribe item of JID {jid.userhost()} doesn't pass public keys" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1732 f" list schema validation." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1733 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1734 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1735 return { |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1736 PublicKeyMetadata( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1737 fingerprint=pubkey_metadata_elt["v4-fingerprint"], |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1738 timestamp=parse_datetime(pubkey_metadata_elt["date"]) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1739 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1740 for pubkey_metadata_elt |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1741 in public_keys_list_elt.elements(NS_OX, "pubkey-metadata") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1742 } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1743 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1744 async def __prepare_secret_key_synchronization( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1745 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1746 client: SatXMPPClient |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1747 ) -> Optional[domish.Element]: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1748 """Prepare for secret key synchronization. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1749 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1750 Makes sure the relative protocols and protocol extensions are supported by the |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1751 server and makes sure that the PEP node for secret synchronization exists and is |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1752 configured correctly. The node is created if necessary. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1753 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1754 @param client: The client. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1755 @return: As part of the preparations, the secret key synchronization PEP node is |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1756 fetched. The result of that fetch is returned here. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1757 @raise exceptions.FeatureNotFound: if the server lacks support for the required |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1758 protocols or protocol extensions. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1759 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1760 """ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1761 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1762 try: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
1763 infos = cast(DiscoInfo, await self.host.memory.disco.get_infos( |
3933
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1764 client, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1765 client.jid.userhostJID() |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1766 )) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1767 except Exception as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1768 raise XMPPInteractionFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1769 "Error performing service discovery on the own bare JID." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1770 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1771 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1772 identities = cast(Dict[Tuple[str, str], str], infos.identities) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1773 features = cast(Set[DiscoFeature], infos.features) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1774 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1775 if ("pubsub", "pep") not in identities: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1776 raise exceptions.FeatureNotFound("Server doesn't support PEP.") |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1777 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1778 if "http://jabber.org/protocol/pubsub#access-whitelist" not in features: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1779 raise exceptions.FeatureNotFound( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1780 "Server doesn't support the whitelist access model." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1781 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1782 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1783 persistent_items_supported = \ |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1784 "http://jabber.org/protocol/pubsub#persistent-items" in features |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1785 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1786 # TODO: persistent-items is a SHOULD, how do we handle the feature missing? |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1787 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1788 node = "urn:xmpp:openpgp:0:secret-key" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1789 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1790 try: |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
1791 items, __ = await self.__xep_0060.get_items( |
3933
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1792 client, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1793 client.jid.userhostJID(), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1794 node, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1795 max_items=1 |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1796 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1797 except exceptions.NotFound: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1798 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1799 await self.__xep_0060.createNode( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1800 client, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1801 client.jid.userhostJID(), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1802 node, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1803 { |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1804 XEP_0060.OPT_PERSIST_ITEMS: "true", |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1805 XEP_0060.OPT_ACCESS_MODEL: "whitelist", |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1806 XEP_0060.OPT_MAX_ITEMS: "1" |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1807 } |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1808 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1809 except Exception as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1810 raise XMPPInteractionFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1811 "Error creating the secret key synchronization node." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1812 ) from e |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
changeset
|
1813 except Exception as e: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1814 raise XMPPInteractionFailed( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1815 "Error fetching the secret key synchronization node." |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1816 ) from e |
cecf45416403
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parents:
diff
changeset
|
1817 |
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parents:
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|
1818 try: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1819 return cast(domish.Element, items[0]) |
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parents:
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|
1820 except IndexError: |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1821 return None |
cecf45416403
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parents:
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|
1822 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1823 async def export_secret_keys( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1824 self, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
1825 client: SatXMPPClient, |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1826 secret_keys: Iterable[GPGSecretKey] |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1827 ) -> str: |
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parents:
diff
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|
1828 """Export secret keys to synchronize them with other devices. |
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parents:
diff
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|
1829 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1830 @param client: The client. |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
diff
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|
1831 @param secret_keys: The secret keys to export. |
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parents:
diff
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|
1832 @return: The backup code needed to decrypt the exported secret keys. |
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parents:
diff
changeset
|
1833 @raise exceptions.FeatureNotFound: if the server lacks support for the required |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
1834 protocols or protocol extensions. |
cecf45416403
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parents:
diff
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|
1835 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
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|
1836 """ |
cecf45416403
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parents:
diff
changeset
|
1837 |
3960
4836b81c5f31
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1838 gpg_provider = get_gpg_provider(self.host, client) |
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1839 |
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1840 await self.__prepare_secret_key_synchronization(client) |
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1841 |
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1842 backup_code = generate_passphrase() |
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1843 |
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1844 plaintext = b"".join( |
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1845 gpg_provider.backup_secret_key(secret_key) for secret_key in secret_keys |
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1846 ) |
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1847 |
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1848 ciphertext = gpg_provider.encrypt_symmetrically(plaintext, backup_code) |
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1849 |
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1850 node = "urn:xmpp:openpgp:0:secret-key" |
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1851 |
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1852 secretkey_elt = domish.Element((NS_OX, "secretkey")) |
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1853 secretkey_elt.addContent(base64.b64encode(ciphertext).decode("ASCII")) |
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1854 |
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1855 try: |
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1856 await self.__xep_0060.send_item( |
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1857 client, |
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1858 client.jid.userhostJID(), |
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1859 node, |
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1860 secretkey_elt |
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1861 ) |
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1862 except Exception as e: |
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1863 raise XMPPInteractionFailed("Publishing the secret keys failed.") from e |
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1864 |
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1865 return backup_code |
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1866 |
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1867 async def download_secret_keys(self, client: SatXMPPClient) -> Optional[bytes]: |
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1868 """Download previously exported secret keys to import them in a second step. |
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1869 |
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1870 The downloading and importing steps are separate since a backup code is required |
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1871 for the import and it should be possible to try multiple backup codes without |
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1872 redownloading the data every time. The second half of the import procedure is |
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1873 provided by :meth:`import_secret_keys`. |
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1874 |
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1875 @param client: The client. |
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1876 @return: The encrypted secret keys previously exported, if any. |
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1877 @raise exceptions.FeatureNotFound: if the server lacks support for the required |
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1878 protocols or protocol extensions. |
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1879 @raise exceptions.ParsingError: on XML-level parsing errors. |
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1880 @raise XMPPInteractionFailed: if any interaction via XMPP failed. |
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1881 """ |
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1882 |
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1883 item_elt = await self.__prepare_secret_key_synchronization(client) |
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1884 if item_elt is None: |
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1885 return None |
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1886 |
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1887 secretkey_elt = cast( |
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1888 Optional[domish.Element], |
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1889 next(item_elt.elements(NS_OX, "secretkey"), None) |
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1890 ) |
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1891 |
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1892 if secretkey_elt is None: |
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1893 return None |
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1894 |
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1895 try: |
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1896 SECRETKEY_SCHEMA.validate(secretkey_elt.toXml()) |
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1897 except xmlschema.XMLSchemaValidationError as e: |
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1898 raise exceptions.ParsingError( |
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1899 "Publish-Subscribe item doesn't pass secretkey schema validation." |
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1900 ) from e |
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1901 |
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1902 return base64.b64decode(str(secretkey_elt)) |
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1903 |
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1904 def import_secret_keys( |
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1905 self, |
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1906 client: SatXMPPClient, |
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1907 ciphertext: bytes, |
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1908 backup_code: str |
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1909 ) -> Set[GPGSecretKey]: |
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1910 """import previously downloaded secret keys. |
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1911 |
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1912 The downloading and importing steps are separate since a backup code is required |
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1913 for the import and it should be possible to try multiple backup codes without |
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1914 redownloading the data every time. The first half of the import procedure is |
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1915 provided by :meth:`download_secret_keys`. |
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1916 |
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1917 @param client: The client to perform this operation with. |
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1918 @param ciphertext: The ciphertext, i.e. the data returned by |
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1919 :meth:`download_secret_keys`. |
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1920 @param backup_code: The backup code needed to decrypt the data. |
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1921 @raise InvalidPacket: if one of the GPG packets building the secret key data is |
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1922 either syntactically or semantically deemed invalid. |
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1923 @raise DecryptionFailed: on decryption failure. |
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1924 """ |
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1925 |
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1926 gpg_provider = get_gpg_provider(self.host, client) |
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1927 |
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1928 return gpg_provider.restore_secret_keys(gpg_provider.decrypt_symmetrically( |
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1929 ciphertext, |
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1930 backup_code |
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1931 )) |
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1932 |
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1933 @staticmethod |
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1934 def __get_joined_muc_users( |
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1935 client: SatXMPPClient, |
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1936 xep_0045: XEP_0045, |
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1937 room_jid: jid.JID |
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1938 ) -> Set[jid.JID]: |
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1939 """ |
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1940 @param client: The client. |
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1941 @param xep_0045: A MUC plugin instance. |
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1942 @param room_jid: The room JID. |
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1943 @return: A set containing the bare JIDs of the MUC participants. |
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1944 @raise InternalError: if the MUC is not joined or the entity information of a |
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1945 participant isn't available. |
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1946 """ |
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1947 # TODO: This should probably be a global helper somewhere |
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1948 |
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1949 bare_jids: Set[jid.JID] = set() |
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1950 |
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1951 try: |
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1952 room = cast(muc.Room, xep_0045.get_room(client, room_jid)) |
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1953 except exceptions.NotFound as e: |
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1954 raise exceptions.InternalError( |
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1955 "Participant list of unjoined MUC requested." |
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1956 ) from e |
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1957 |
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1958 for user in cast(Dict[str, muc.User], room.roster).values(): |
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1959 entity = cast(Optional[SatXMPPEntity], user.entity) |
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1960 if entity is None: |
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1961 raise exceptions.InternalError( |
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1962 f"Participant list of MUC requested, but the entity information of" |
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1963 f" the participant {user} is not available." |
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1964 ) |
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1965 |
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1966 bare_jids.add(entity.jid.userhostJID()) |
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1967 |
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1968 return bare_jids |
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1969 |
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1970 async def get_trust( |
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1971 self, |
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1972 client: SatXMPPClient, |
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1973 public_key: GPGPublicKey, |
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1974 owner: jid.JID |
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1975 ) -> TrustLevel: |
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1976 """Query the trust level of a public key. |
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1977 |
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1978 @param client: The client to perform this operation under. |
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1979 @param public_key: The public key. |
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1980 @param owner: The owner of the public key. Can be a bare JID. |
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1981 @return: The trust level. |
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1982 """ |
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1983 |
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1984 key = f"/trust/{owner.userhost()}/{public_key.fingerprint}" |
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1985 |
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1986 try: |
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1987 return TrustLevel(await self.__storage[client.profile][key]) |
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1988 except KeyError: |
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1989 return TrustLevel.UNDECIDED |
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1990 |
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1991 async def set_trust( |
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1992 self, |
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1993 client: SatXMPPClient, |
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1994 public_key: GPGPublicKey, |
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1995 owner: jid.JID, |
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1996 trust_level: TrustLevel |
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1997 ) -> None: |
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1998 """Set the trust level of a public key. |
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|
1999 |
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2000 @param client: The client to perform this operation under. |
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2001 @param public_key: The public key. |
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2002 @param owner: The owner of the public key. Can be a bare JID. |
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2003 @param trust_leve: The trust level. |
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parents:
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|
2004 """ |
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parents:
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|
2005 |
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Syndace <me@syndace.dev>
parents:
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|
2006 key = f"/trust/{owner.userhost()}/{public_key.fingerprint}" |
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|
2007 |
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|
2008 await self.__storage[client.profile].force(key, trust_level.name) |
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Syndace <me@syndace.dev>
parents:
diff
changeset
|
2009 |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
2010 async def get_trust_ui( # pylint: disable=invalid-name |
3933
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parents:
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|
2011 self, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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|
2012 client: SatXMPPClient, |
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Syndace <me@syndace.dev>
parents:
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|
2013 entity: jid.JID |
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parents:
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|
2014 ) -> xml_tools.XMLUI: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
2015 """ |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
diff
changeset
|
2016 @param client: The client. |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
2017 @param entity: The entity whose device trust levels to manage. |
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Syndace <me@syndace.dev>
parents:
diff
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|
2018 @return: An XMLUI instance which opens a form to manage the trust level of all |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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|
2019 devices belonging to the entity. |
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Syndace <me@syndace.dev>
parents:
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|
2020 """ |
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Syndace <me@syndace.dev>
parents:
diff
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|
2021 |
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Syndace <me@syndace.dev>
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|
2022 if entity.resource: |
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Syndace <me@syndace.dev>
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|
2023 raise ValueError("A bare JID is expected.") |
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Syndace <me@syndace.dev>
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|
2024 |
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Syndace <me@syndace.dev>
parents:
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|
2025 bare_jids: Set[jid.JID] |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
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|
2026 if self.__xep_0045 is not None and self.__xep_0045.is_joined_room(client, entity): |
3933
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2027 bare_jids = self.__get_joined_muc_users(client, self.__xep_0045, entity) |
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2028 else: |
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2029 bare_jids = { entity.userhostJID() } |
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|
2030 |
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2031 all_public_keys = list({ |
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2032 bare_jid: list(self.list_public_keys(client, bare_jid)) |
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|
2033 for bare_jid |
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2034 in bare_jids |
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2035 }.items()) |
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|
2036 |
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|
2037 async def callback( |
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|
2038 data: Any, |
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|
2039 profile: str # pylint: disable=unused-argument |
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|
2040 ) -> Dict[Never, Never]: |
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Syndace <me@syndace.dev>
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|
2041 """ |
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|
2042 @param data: The XMLUI result produces by the trust UI form. |
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|
2043 @param profile: The profile. |
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|
2044 @return: An empty dictionary. The type of the return value was chosen |
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parents:
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|
2045 conservatively since the exact options are neither known not needed here. |
cecf45416403
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Syndace <me@syndace.dev>
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|
2046 """ |
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|
2047 |
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|
2048 if C.bool(data.get("cancelled", "false")): |
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Syndace <me@syndace.dev>
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|
2049 return {} |
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|
2050 |
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|
2051 data_form_result = cast( |
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|
2052 Dict[str, str], |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents:
3960
diff
changeset
|
2053 xml_tools.xmlui_result_2_data_form_result(data) |
3933
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2054 ) |
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2055 for key, value in data_form_result.items(): |
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2056 if not key.startswith("trust_"): |
cecf45416403
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|
2057 continue |
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changeset
|
2058 |
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|
2059 outer_index, inner_index = key.split("_")[1:] |
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Syndace <me@syndace.dev>
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|
2060 |
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|
2061 owner, public_keys = all_public_keys[int(outer_index)] |
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|
2062 public_key = public_keys[int(inner_index)] |
cecf45416403
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Syndace <me@syndace.dev>
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|
2063 trust = TrustLevel(value) |
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Syndace <me@syndace.dev>
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|
2064 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2065 if (await self.get_trust(client, public_key, owner)) is not trust: |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2066 await self.set_trust(client, public_key, owner, value) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2067 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2068 return {} |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2069 |
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
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3960
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2070 submit_id = self.host.register_callback(callback, with_data=True, one_shot=True) |
3933
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2071 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2072 result = xml_tools.XMLUI( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2073 panel_type=C.XMLUI_FORM, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2074 title=D_("OX trust management"), |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2075 submit_id=submit_id |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2076 ) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2077 # Casting this to Any, otherwise all calls on the variable cause type errors |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2078 # pylint: disable=no-member |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2079 trust_ui = cast(Any, result) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2080 trust_ui.addText(D_( |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2081 "This is OX trusting system. You'll see below the GPG keys of your " |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2082 "contacts, and a list selection to trust them or not. A trusted key " |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2083 "can read your messages in plain text, so be sure to only validate " |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2084 "keys that you are sure are belonging to your contact. It's better " |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2085 "to do this when you are next to your contact, so " |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2086 "you can check the \"fingerprint\" of the key " |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2087 "yourself. Do *not* validate a key if the fingerprint is wrong!" |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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parents:
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2088 )) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2089 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2090 own_secret_keys = self.list_secret_keys(client) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2091 |
4037
524856bd7b19
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Goffi <goffi@goffi.org>
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3960
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2092 trust_ui.change_container("label") |
3933
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2093 for index, secret_key in enumerate(own_secret_keys): |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2094 trust_ui.addLabel(D_(f"Own secret key {index} fingerprint")) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2095 trust_ui.addText(secret_key.public_key.fingerprint) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2096 trust_ui.addEmpty() |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2097 trust_ui.addEmpty() |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2098 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2099 for outer_index, [ owner, public_keys ] in enumerate(all_public_keys): |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2100 for inner_index, public_key in enumerate(public_keys): |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2101 trust_ui.addLabel(D_("Contact")) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2102 trust_ui.addJid(jid.JID(owner)) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2103 trust_ui.addLabel(D_("Fingerprint")) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2104 trust_ui.addText(public_key.fingerprint) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2105 trust_ui.addLabel(D_("Trust this device?")) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
parents:
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2106 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2107 current_trust_level = await self.get_trust(client, public_key, owner) |
cecf45416403
plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2108 avaiable_trust_levels = \ |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2109 { TrustLevel.DISTRUSTED, TrustLevel.TRUSTED, current_trust_level } |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2110 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2111 trust_ui.addList( |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2112 f"trust_{outer_index}_{inner_index}", |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2113 options=[ trust_level.name for trust_level in avaiable_trust_levels ], |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2114 selected=current_trust_level.name, |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
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2115 styles=[ "inline" ] |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2116 ) |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2117 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2118 trust_ui.addEmpty() |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2119 trust_ui.addEmpty() |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2120 |
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plugin XEP-0373 and XEP-0374: Implementation of OX and OXIM:
Syndace <me@syndace.dev>
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2121 return result |