Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0092.py @ 4226:3f7ca590a5da

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cli (pubsub): use `PEP` when service is not specified in error message.
author Goffi <goffi@goffi.org>
date Tue, 05 Mar 2024 17:31:56 +0100
parents 4b842c1fb686
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3
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4 # SàT plugin for Software Version (XEP-0092)
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from typing import Tuple
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21
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22 from twisted.internet import defer, reactor
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23 from twisted.words.protocols.jabber import jid
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24 from wokkel import compat
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26 from libervia.backend.core import exceptions
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27 from libervia.backend.core.constants import Const as C
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28 from libervia.backend.core.core_types import SatXMPPEntity
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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
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32 log = getLogger(__name__)
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33
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34 NS_VERSION = "jabber:iq:version"
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35 TIMEOUT = 10
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36
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Software Version Plugin",
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39 C.PI_IMPORT_NAME: "XEP-0092",
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40 C.PI_TYPE: "XEP",
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41 C.PI_PROTOCOLS: ["XEP-0092"],
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42 C.PI_DEPENDENCIES: [],
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43 C.PI_RECOMMENDATIONS: [C.TEXT_CMDS],
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44 C.PI_MAIN: "XEP_0092",
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45 C.PI_HANDLER: "no", # version is already handler in core.xmpp module
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46 C.PI_DESCRIPTION: _("""Implementation of Software Version"""),
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47 }
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48
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49
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50 class XEP_0092(object):
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51 def __init__(self, host):
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52 log.info(_("Plugin XEP_0092 initialization"))
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53 self.host = host
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54 host.bridge.add_method(
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55 "software_version_get",
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56 ".plugin",
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57 in_sign="ss",
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58 out_sign="(sss)",
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59 method=self._get_version,
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60 async_=True,
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61 )
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62 try:
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63 self.host.plugins[C.TEXT_CMDS].add_who_is_cb(self._whois, 50)
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64 except KeyError:
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65 log.info(_("Text commands not available"))
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66
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67 def _get_version(self, entity_jid_s, profile_key):
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68 def prepare_for_bridge(data):
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69 name, version, os = data
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70 return (name or "", version or "", os or "")
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71
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72 client = self.host.get_client(profile_key)
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73 d = self.version_get(client, jid.JID(entity_jid_s))
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74 d.addCallback(prepare_for_bridge)
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75 return d
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76
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77 def version_get(
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78 self,
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79 client: SatXMPPEntity,
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80 jid_: jid.JID,
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81 ) -> Tuple[str, str, str]:
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82 """Ask version of the client that jid_ is running
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83
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84 @param jid_: jid from who we want to know client's version
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85 @return: a defered which fire a tuple with the following data (None if not available):
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86 - name: Natural language name of the software
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87 - version: specific version of the software
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88 - os: operating system of the queried entity
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89 """
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90
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91 def do_version_get(__):
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92 iq_elt = compat.IQ(client.xmlstream, "get")
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93 iq_elt["to"] = jid_.full()
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94 iq_elt.addElement("query", NS_VERSION)
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95 d = iq_elt.send()
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96 d.addCallback(self._got_version)
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97 return d
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98
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99 d = self.host.check_feature(client, NS_VERSION, jid_)
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100 d.addCallback(do_version_get)
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101 reactor.callLater(
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102 TIMEOUT, d.cancel
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103 ) # XXX: timeout needed because some clients don't answer the IQ
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104 return d
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105
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106 def _got_version(self, iq_elt):
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107 try:
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108 query_elt = next(iq_elt.elements(NS_VERSION, "query"))
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109 except StopIteration:
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110 raise exceptions.DataError
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111 ret = []
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112 for name in ("name", "version", "os"):
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113 try:
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114 data_elt = next(query_elt.elements(NS_VERSION, name))
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115 ret.append(str(data_elt))
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116 except StopIteration:
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117 ret.append(None)
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118
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119 return tuple(ret)
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120
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121 def _whois(self, client, whois_msg, mess_data, target_jid):
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122 """Add software/OS information to whois"""
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123
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124 def version_cb(version_data):
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125 name, version, os = version_data
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Goffi <goffi@goffi.org>
parents: 920
diff changeset
126 if name:
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
127 whois_msg.append(_("Client name: %s") % name)
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
128 if version:
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
129 whois_msg.append(_("Client version: %s") % version)
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
130 if os:
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
131 whois_msg.append(_("Operating system: %s") % os)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
132
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
133 def version_eb(failure):
952
91836a647515 plugin XEP-0092: use of checkFeature instead of hasFeature + timeout + message adapted to failure if software version is not available
Goffi <goffi@goffi.org>
parents: 945
diff changeset
134 failure.trap(exceptions.FeatureNotFound, defer.CancelledError)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
135 if failure.check(failure, exceptions.FeatureNotFound):
952
91836a647515 plugin XEP-0092: use of checkFeature instead of hasFeature + timeout + message adapted to failure if software version is not available
Goffi <goffi@goffi.org>
parents: 945
diff changeset
136 whois_msg.append(_("Software version not available"))
91836a647515 plugin XEP-0092: use of checkFeature instead of hasFeature + timeout + message adapted to failure if software version is not available
Goffi <goffi@goffi.org>
parents: 945
diff changeset
137 else:
91836a647515 plugin XEP-0092: use of checkFeature instead of hasFeature + timeout + message adapted to failure if software version is not available
Goffi <goffi@goffi.org>
parents: 945
diff changeset
138 whois_msg.append(_("Client software version request timeout"))
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
139
4066
e75827204fe0 plugin XEP-0092: use `client` instead of `profile_key` in `version_get`
Goffi <goffi@goffi.org>
parents: 4037
diff changeset
140 d = self.version_get(client, target_jid)
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
141 d.addCallbacks(version_cb, version_eb)
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 920
diff changeset
142 return d