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annotate sat/plugins/plugin_xep_0359.py @ 3888:aa7197b67c26

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component AP gateway: AP <=> XMPP reactions conversions: - Pubsub Attachments plugin has been renamed to XEP-0470 following publication - XEP-0470 has been updated to follow 0.2 changes - AP reactions (as implemented in Pleroma) are converted to XEP-0470 - XEP-0470 events are converted to AP reactions (again, using "EmojiReact" from Pleroma) - AP activities related to attachments (like/reactions) are cached in Libervia because it's not possible to retrieve them from Pleroma instances once they have been emitted (doing an HTTP get on their ID returns a 404). For now those cache are not flushed, this should be improved in the future. - `sharedInbox` is used when available. Pleroma returns a 500 HTTP error when ``to`` or ``cc`` are used in a direct inbox. - reactions and like are not currently used for direct messages, because they can't be emitted from Pleroma in this case, thus there is no point in implementing them for the moment. rel 371
author Goffi <goffi@goffi.org>
date Wed, 31 Aug 2022 17:07:03 +0200
parents cc653b2685f0
children 8289ac1b34f4
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for Message Archive Management (XEP-0359)
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 import uuid
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22 from zope.interface import implementer
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23 from twisted.words.protocols.jabber import xmlstream
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24 from wokkel import disco
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25 from sat.core.constants import Const as C
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26 from sat.core import exceptions
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27 from sat.core.i18n import _
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28 from sat.core.log import getLogger
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29
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30 log = getLogger(__name__)
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33 PLUGIN_INFO = {
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34 C.PI_NAME: "Unique and Stable Stanza IDs",
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35 C.PI_IMPORT_NAME: "XEP-0359",
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36 C.PI_TYPE: "XEP",
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37 C.PI_PROTOCOLS: ["XEP-0359"],
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38 C.PI_MAIN: "XEP_0359",
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39 C.PI_HANDLER: "yes",
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40 C.PI_DESCRIPTION: _("""Implementation of Unique and Stable Stanza IDs"""),
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41 }
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42
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43 NS_SID = "urn:xmpp:sid:0"
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45
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46 class XEP_0359(object):
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47
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48 def __init__(self, host):
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49 log.info(_("Unique and Stable Stanza IDs plugin initialization"))
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50 self.host = host
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51 host.registerNamespace("stanza_id", NS_SID)
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52 host.trigger.add("message_parse", self._message_parseTrigger)
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53 host.trigger.add("sendMessageData", self._sendMessageDataTrigger)
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54
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55 def _message_parseTrigger(self, client, message_elt, mess_data):
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56 """Check if message has a stanza-id"""
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57 stanza_id = self.getStanzaId(message_elt, client.jid.userhostJID())
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58 if stanza_id is not None:
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59 mess_data['extra']['stanza_id'] = stanza_id
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60 origin_id = self.getOriginId(message_elt)
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61 if origin_id is not None:
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62 mess_data['extra']['origin_id'] = origin_id
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63 return True
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64
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65 def _sendMessageDataTrigger(self, client, mess_data):
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66 origin_id = mess_data["extra"].get("origin_id")
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67 if not origin_id:
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68 origin_id = str(uuid.uuid4())
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69 mess_data["extra"]["origin_id"] = origin_id
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70 message_elt = mess_data["xml"]
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71 self.addOriginId(message_elt, origin_id)
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72
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73 def getStanzaId(self, element, by):
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74 """Return stanza-id if found in element
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75
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76 @param element(domish.Element): element to parse
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77 @param by(jid.JID): entity which should have set a stanza-id
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78 @return (unicode, None): stanza-id if found
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79 """
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80 stanza_id = None
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81 for stanza_elt in element.elements(NS_SID, "stanza-id"):
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82 if stanza_elt.getAttribute("by") == by.full():
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83 if stanza_id is not None:
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84 # we must not have more than one element (§3 #4)
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85 raise exceptions.DataError(
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86 "More than one corresponding stanza-id found!")
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87 stanza_id = stanza_elt.getAttribute("id")
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88 # we don't break to be sure that there is no more than one element
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89 # with this "by" attribute
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90
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91 return stanza_id
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92
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93 def addStanzaId(self, client, element, stanza_id, by=None):
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94 """Add a <stanza-id/> to a stanza
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95
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96 @param element(domish.Element): stanza where the <stanza-id/> must be added
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97 @param stanza_id(unicode): id to use
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98 @param by(jid.JID, None): jid to use or None to use client.jid
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99 """
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100 sid_elt = element.addElement((NS_SID, "stanza-id"))
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101 sid_elt["by"] = client.jid.userhost() if by is None else by.userhost()
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102 sid_elt["id"] = stanza_id
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103
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104 def getOriginId(self, element):
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105 """Return origin-id if found in element
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106
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107 @param element(domish.Element): element to parse
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108 @return (unicode, None): origin-id if found
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109 """
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110 try:
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111 origin_elt = next(element.elements(NS_SID, "origin-id"))
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112 except StopIteration:
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113 return None
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114 else:
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115 return origin_elt.getAttribute("id")
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116
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117 def addOriginId(self, element, origin_id=None):
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118 """Add a <origin-id/> to a stanza
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119
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120 @param element(domish.Element): stanza where the <origin-id/> must be added
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121 @param origin_id(str): id to use, None to automatically generate
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122 @return (str): origin_id
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123 """
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124 if origin_id is None:
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125 origin_id = str(uuid.uuid4())
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126 sid_elt = element.addElement((NS_SID, "origin-id"))
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127 sid_elt["id"] = origin_id
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128 return origin_id
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129
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130 def getHandler(self, client):
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131 return XEP_0359_handler()
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132
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133
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Goffi <goffi@goffi.org>
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134 @implementer(disco.IDisco)
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135 class XEP_0359_handler(xmlstream.XMPPHandler):
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136
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137 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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138 return [disco.DiscoFeature(NS_SID)]
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139
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140 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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141 return []