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annotate libervia/backend/plugins/plugin_xep_0080.py @ 4202:b26339343076

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core: use a user specific directory for PID file: default location of pid file is now specific to logged user, this allow to run several instances of Libervia by different users on the same machine without PID conflicts.
author Goffi <goffi@goffi.org>
date Sun, 14 Jan 2024 17:48:02 +0100
parents 4b842c1fb686
children 0d7bb4df2343
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ed470361ea2e plugin XEP-0080: User Location implementation:
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1 #!/usr/bin/env python3
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2
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3 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
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4
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5 # This program is free software: you can redistribute it and/or modify
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6 # it under the terms of the GNU Affero General Public License as published by
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7 # the Free Software Foundation, either version 3 of the License, or
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8 # (at your option) any later version.
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9
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU Affero General Public License for more details.
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14
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15 # You should have received a copy of the GNU Affero General Public License
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16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18 from typing import Dict, Any
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19
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20 from twisted.words.xish import domish
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21
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22 from libervia.backend.core.constants import Const as C
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23 from libervia.backend.core.i18n import _
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24 from libervia.backend.core.log import getLogger
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25 from libervia.backend.core import exceptions
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26 from libervia.backend.tools import utils
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27
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28 log = getLogger(__name__)
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29
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30
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31 PLUGIN_INFO = {
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32 C.PI_NAME: "User Location",
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33 C.PI_IMPORT_NAME: "XEP-0080",
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34 C.PI_TYPE: "XEP",
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35 C.PI_MODES: C.PLUG_MODE_BOTH,
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36 C.PI_PROTOCOLS: ["XEP-0080"],
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37 C.PI_MAIN: "XEP_0080",
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38 C.PI_HANDLER: "no",
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39 C.PI_DESCRIPTION: _("""Implementation of XEP-0080 (User Location)"""),
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40 }
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41
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42 NS_GEOLOC = "http://jabber.org/protocol/geoloc"
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43 KEYS_TYPES = {
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44 "accuracy": float,
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45 "alt": float,
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46 "altaccuracy": float,
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47 "area": str,
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48 "bearing": float,
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49 "building": str,
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50 "country": str,
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51 "countrycode": str,
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52 "datum": str,
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53 "description": str,
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54 "error": float,
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55 "floor": str,
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56 "lat": float,
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57 "locality": str,
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58 "lon": float,
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59 "postalcode": str,
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60 "region": str,
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61 "room": str,
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62 "speed": float,
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63 "street": str,
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64 "text": str,
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65 "timestamp": "datetime",
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66 "tzo": str,
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67 "uri": str
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68 }
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69
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70
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71 class XEP_0080:
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72
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73 def __init__(self, host):
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74 log.info(_("XEP-0080 (User Location) plugin initialization"))
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75 host.register_namespace("geoloc", NS_GEOLOC)
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76
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77 def get_geoloc_elt(
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78 self,
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79 location_data: Dict[str, Any],
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80 ) -> domish.Element:
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81 """Generate the element describing the location
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82
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83 @param geoloc: metadata description the location
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84 Keys correspond to ones found at
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85 https://xmpp.org/extensions/xep-0080.html#format, with following additional
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86 keys:
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87 - id (str): Identifier for this location
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88 - language (str): language of the human readable texts
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89 All keys are optional.
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90 @return: ``<geoloc/>`` element
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91 """
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92 geoloc_elt = domish.Element((NS_GEOLOC, "geoloc"))
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93 for key, value in location_data.items():
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94 try:
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95 key_type = KEYS_TYPES[key]
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96 except KeyError:
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97 if key == "id":
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98 # "id" attribute is not specified for XEP-0080's <geoloc/> element,
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99 # but it may be used in a parent element (that's the case for events)
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100 pass
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101 elif key == "language":
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102 geoloc_elt["xml:lang"] = value
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103 else:
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104 log.warning(f"Unknown location key {key}: {location_data}")
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105 continue
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106 if key_type == "datetime":
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107 content = utils.xmpp_date(value)
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108 else:
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109 content = str(value)
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110 geoloc_elt.addElement(key, content=content)
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111
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112 return geoloc_elt
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113
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114 def parse_geoloc_elt(
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115 self,
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116 geoloc_elt: domish.Element
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117 ) -> Dict[str, Any]:
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118 """Parse <geoloc/> element
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119
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120 @param geoloc_elt: <geoloc/> element
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121 a parent element can also be used
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122 @return: geoloc data. It's a dict whose keys correspond to
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123 [get_geoloc_elt] parameters
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124 @raise exceptions.NotFound: no <geoloc/> element has been found
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125 """
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126
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127 if geoloc_elt.name != "geoloc":
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128 try:
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129 geoloc_elt = next(geoloc_elt.elements(NS_GEOLOC, "geoloc"))
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130 except StopIteration:
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131 raise exceptions.NotFound
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132 data: Dict[str, Any] = {}
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133 for elt in geoloc_elt.elements():
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134 if elt.uri != NS_GEOLOC:
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135 log.warning(f"unmanaged geoloc element: {elt.toXml()}")
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136 continue
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137 try:
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138 data_type = KEYS_TYPES[elt.name]
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139 except KeyError:
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140 log.warning(f"unknown geoloc element: {elt.toXml()}")
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141 continue
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142 try:
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143 if data_type == "datetime":
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144 data[elt.name] = utils.parse_xmpp_date(str(elt))
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145 else:
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146 data[elt.name] = data_type(str(elt))
ed470361ea2e plugin XEP-0080: User Location implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 except Exception as e:
ed470361ea2e plugin XEP-0080: User Location implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 log.warning(f"can't parse element: {elt.toXml()}")
ed470361ea2e plugin XEP-0080: User Location implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149 continue
ed470361ea2e plugin XEP-0080: User Location implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150
ed470361ea2e plugin XEP-0080: User Location implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151 return data