annotate libervia/backend/plugins/plugin_xep_0292.py @ 4309:b56b1eae7994

component email gateway: add multicasting: XEP-0033 multicasting is now supported both for incoming and outgoing messages. XEP-0033 metadata are converted to suitable Email headers and vice versa. Email address and JID are both supported, and delivery is done by the gateway when suitable on incoming messages. rel 450
author Goffi <goffi@goffi.org>
date Thu, 26 Sep 2024 16:12:01 +0200
parents 0d7bb4df2343
children
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4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for XEP-0292
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4 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from typing import List, Dict, Union, Any, Optional
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20 from functools import partial
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21
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22 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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23 from twisted.words.protocols.jabber import jid
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24 from twisted.words.xish import domish
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25 from zope.interface import implementer
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26 from wokkel import disco, iwokkel
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27
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28 from libervia.backend.core.constants import Const as C
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29 from libervia.backend.core.i18n import _
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30 from libervia.backend.core.log import getLogger
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31 from libervia.backend.core.core_types import SatXMPPEntity
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32 from libervia.backend.core import exceptions
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33 from libervia.backend.tools.common.async_utils import async_lru
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34
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35
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36 log = getLogger(__name__)
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37
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38 IMPORT_NAME = "XEP-0292"
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39
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40 PLUGIN_INFO = {
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41 C.PI_NAME: "vCard4 Over XMPP",
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42 C.PI_IMPORT_NAME: IMPORT_NAME,
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43 C.PI_TYPE: C.PLUG_TYPE_XEP,
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44 C.PI_MODES: C.PLUG_MODE_BOTH,
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45 C.PI_PROTOCOLS: ["XEP-0292"],
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46 C.PI_DEPENDENCIES: ["IDENTITY", "XEP-0060", "XEP-0163"],
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47 C.PI_MAIN: "XEP_0292",
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48 C.PI_HANDLER: "yes",
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49 C.PI_DESCRIPTION: _("""XEP-0292 (vCard4 Over XMPP) implementation"""),
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50 }
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51
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52 NS_VCARD4 = "urn:ietf:params:xml:ns:vcard-4.0"
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53 VCARD4_NODE = "urn:xmpp:vcard4"
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54 text_fields = {"fn": "name", "nickname": "nicknames", "note": "description"}
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55 text_fields_inv = {v: k for k, v in text_fields.items()}
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56
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57
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58 class XEP_0292:
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59 namespace = NS_VCARD4
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60 node = VCARD4_NODE
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61
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62 def __init__(self, host):
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63 # XXX: as of XEP-0292 v0.11, there is a dedicated <IQ/> protocol in this XEP which
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64 # should be used according to the XEP. Hovewer it feels like an outdated behaviour
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65 # and other clients don't seem to use it. After discussing it on xsf@ MUC, it
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66 # seems that implemeting the dedicated <IQ/> protocol is a waste of time, and thus
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67 # it is not done here. It is expected that this dedicated protocol will be removed
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68 # from a future version of the XEP.
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69 log.info(_("vCard4 Over XMPP initialization"))
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70 host.register_namespace("vcard4", NS_VCARD4)
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71 self.host = host
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72 self._p = host.plugins["XEP-0060"]
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73 self._i = host.plugins["IDENTITY"]
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74 self._i.register(
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75 IMPORT_NAME,
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76 "nicknames",
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77 partial(self.getValue, field="nicknames"),
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78 partial(self.set_value, field="nicknames"),
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79 priority=1000,
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80 )
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81 self._i.register(
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82 IMPORT_NAME,
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83 "description",
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84 partial(self.getValue, field="description"),
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85 partial(self.set_value, field="description"),
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86 priority=1000,
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87 )
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88
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89 def get_handler(self, client):
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90 return XEP_0292_Handler()
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91
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92 def vcard_2_dict(self, vcard_elt: domish.Element) -> Dict[str, Any]:
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93 """Convert vcard element to equivalent identity metadata"""
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94 vcard: Dict[str, Any] = {}
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95
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96 for metadata_elt in vcard_elt.elements():
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97 # Text values
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98 for source_field, dest_field in text_fields.items():
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99 if metadata_elt.name == source_field:
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100 if metadata_elt.text is not None:
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101 dest_type = self._i.get_field_type(dest_field)
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102 value = str(metadata_elt.text)
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103 if dest_type is str:
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104 if dest_field in vcard:
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105 vcard[dest_field] += value
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106 else:
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107 vcard[dest_field] = value
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108 elif dest_type is list:
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109 vcard.setdefault(dest_field, []).append(value)
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110 else:
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111 raise exceptions.InternalError(
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112 f"unexpected dest_type: {dest_type!r}"
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113 )
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114 break
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115 else:
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116 log.debug(
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117 f"Following element is currently unmanaged: {metadata_elt.toXml()}"
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118 )
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119 return vcard
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120
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121 def dict_2_v_card(self, vcard: dict[str, Any]) -> domish.Element:
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122 """Convert vcard metadata to vCard4 element"""
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123 vcard_elt = domish.Element((NS_VCARD4, "vcard"))
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124 for field, elt_name in text_fields_inv.items():
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125 value = vcard.get(field)
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126 if value:
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Goffi <goffi@goffi.org>
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127 if isinstance(value, str):
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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128 value = [value]
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Goffi <goffi@goffi.org>
parents:
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129 if isinstance(value, list):
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 for v in value:
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Goffi <goffi@goffi.org>
parents:
diff changeset
131 field_elt = vcard_elt.addElement(elt_name)
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Goffi <goffi@goffi.org>
parents:
diff changeset
132 field_elt.addElement("text", content=v)
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parents:
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133 else:
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134 log.warning(f"ignoring unexpected value: {value!r}")
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135
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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136 return vcard_elt
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Goffi <goffi@goffi.org>
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137
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138 @async_lru(5)
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139 async def get_card(self, client: SatXMPPEntity, entity: jid.JID) -> dict:
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140 try:
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141 items, metadata = await self._p.get_items(
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142 client, entity, VCARD4_NODE, item_ids=["current"]
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143 )
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Goffi <goffi@goffi.org>
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144 except exceptions.NotFound:
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145 log.info(f"No vCard node found for {entity}")
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Goffi <goffi@goffi.org>
parents:
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146 return {}
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Goffi <goffi@goffi.org>
parents:
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147 item_elt = items[0]
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Goffi <goffi@goffi.org>
parents:
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148 try:
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Goffi <goffi@goffi.org>
parents:
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149 vcard_elt = next(item_elt.elements(NS_VCARD4, "vcard"))
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parents:
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150 except StopIteration:
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Goffi <goffi@goffi.org>
parents:
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151 log.info(f"vCard element is not present for {entity}")
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Goffi <goffi@goffi.org>
parents:
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152 return {}
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Goffi <goffi@goffi.org>
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153
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154 return self.vcard_2_dict(vcard_elt)
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155
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156 async def update_vcard_elt(
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parents:
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157 self,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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158 client: SatXMPPEntity,
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Goffi <goffi@goffi.org>
parents:
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159 vcard_elt: domish.Element,
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parents: 4071
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160 entity: Optional[jid.JID] = None,
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Goffi <goffi@goffi.org>
parents:
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161 ) -> None:
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 """Update VCard 4 of given entity, create node if doesn't already exist
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Goffi <goffi@goffi.org>
parents:
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163
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 @param vcard_elt: whole vCard element to update
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Goffi <goffi@goffi.org>
parents:
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165 @param entity: entity for which the vCard must be updated
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Goffi <goffi@goffi.org>
parents:
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166 None to update profile's own vCard
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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167 """
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 service = entity or client.jid.userhostJID()
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Goffi <goffi@goffi.org>
parents:
diff changeset
169 node_options = {
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 self._p.OPT_ACCESS_MODEL: self._p.ACCESS_OPEN,
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parents: 4071
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171 self._p.OPT_PUBLISH_MODEL: self._p.PUBLISH_MODEL_PUBLISHERS,
3819
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parents:
diff changeset
172 }
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173 await self._p.create_if_new_node(client, service, VCARD4_NODE, node_options)
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parents: 3819
diff changeset
174 await self._p.send_item(
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Goffi <goffi@goffi.org>
parents:
diff changeset
175 client, service, VCARD4_NODE, vcard_elt, item_id=self._p.ID_SINGLETON
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Goffi <goffi@goffi.org>
parents:
diff changeset
176 )
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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177
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diff changeset
178 async def update_v_card(
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parents:
diff changeset
179 self,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 client: SatXMPPEntity,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 vcard: Dict[str, Any],
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 entity: Optional[jid.JID] = None,
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Goffi <goffi@goffi.org>
parents:
diff changeset
183 update: bool = True,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 ) -> None:
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 """Update VCard 4 of given entity, create node if doesn't already exist
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 @param vcard: identity metadata
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 @param entity: entity for which the vCard must be updated
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 None to update profile's own vCard
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 @param update: if True, current vCard will be retrieved and updated with given
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 vcard (thus if False, `vcard` data will fully replace previous one).
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 """
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 service = entity or client.jid.userhostJID()
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 if update:
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diff changeset
195 current_vcard = await self.get_card(client, service)
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Goffi <goffi@goffi.org>
parents:
diff changeset
196 current_vcard.update(vcard)
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 vcard = current_vcard
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198 vcard_elt = self.dict_2_v_card(vcard)
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parents: 3819
diff changeset
199 await self.update_vcard_elt(client, vcard_elt, service)
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Goffi <goffi@goffi.org>
parents:
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200
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 async def getValue(
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 self,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 client: SatXMPPEntity,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 entity: jid.JID,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 field: str,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 ) -> Optional[Union[str, List[str]]]:
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 """Return generic value
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 @param entity: entity from who the vCard comes
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 @param field: name of the field to get
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 This has to be a string field
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 @return request value
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 """
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Goffi <goffi@goffi.org>
parents: 3819
diff changeset
214 vcard_data = await self.get_card(client, entity)
3819
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 return vcard_data.get(field)
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216
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parents: 3819
diff changeset
217 async def set_value(
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Goffi <goffi@goffi.org>
parents:
diff changeset
218 self,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 client: SatXMPPEntity,
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 value: Union[str, List[str]],
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 entity: jid.JID,
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parents: 4071
diff changeset
222 field: str,
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4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 ) -> None:
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 """Set generic value
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 @param entity: entity from who the vCard comes
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 @param field: name of the field to get
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 This has to be a string field
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 """
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parents: 3819
diff changeset
230 await self.update_v_card(client, {field: value}, entity)
3819
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Goffi <goffi@goffi.org>
parents:
diff changeset
231
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 @implementer(iwokkel.IDisco)
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 class XEP_0292_Handler(XMPPHandler):
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 def getDiscoInfo(self, requestor, service, nodeIdentifier=""):
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 return [disco.DiscoFeature(NS_VCARD4)]
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Goffi <goffi@goffi.org>
parents:
diff changeset
238
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 def getDiscoItems(self, requestor, service, nodeIdentifier=""):
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 return []