Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0092.py @ 4242:8acf46ed7f36

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frontends: remote control implementation: This is the frontends common part of remote control implementation. It handle the creation of WebRTC session, and management of inputs. For now the reception use freedesktop.org Desktop portal, and works mostly with Wayland based Desktop Environments. rel 436
author Goffi <goffi@goffi.org>
date Sat, 11 May 2024 13:52:43 +0200
parents 4b842c1fb686
children
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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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25
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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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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
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
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