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annotate libervia/backend/plugins/plugin_xep_0292.py @ 4340:ea72364131d5 default tip @

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doc (components): Update Email Gateway documentation: A section has been added to explain how attachments are handled. fix 453
author Goffi <goffi@goffi.org>
date Tue, 03 Dec 2024 00:53:18 +0100
parents 0d7bb4df2343
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
Goffi <goffi@goffi.org>
parents:
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1 #!/usr/bin/env python3
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
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2
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
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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
4f02e339d184 plugin XEP-0292: vCard4 Over XMPP implementation:
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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 []