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annotate sat/plugins/plugin_xep_0092.py @ 3058:0408df45ebe7

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plugin OTR: work around a bad exception raised in potr
author Goffi <goffi@goffi.org>
date Wed, 16 Oct 2019 08:39:52 +0200
parents ab2696e34d29
children 9d0df638c8b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT plugin for Software Version (XEP-0092)
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5 # Copyright (C) 2009-2019 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 sat.core.i18n import _
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21 from sat.core.constants import Const as C
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22 from twisted.internet import reactor, defer
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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 from sat.core import exceptions
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26 from sat.core.log import getLogger
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27
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28 log = getLogger(__name__)
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29
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30 NS_VERSION = "jabber:iq:version"
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31 TIMEOUT = 10
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32
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33 PLUGIN_INFO = {
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34 C.PI_NAME: "Software Version Plugin",
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35 C.PI_IMPORT_NAME: "XEP-0092",
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36 C.PI_TYPE: "XEP",
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37 C.PI_PROTOCOLS: ["XEP-0092"],
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38 C.PI_DEPENDENCIES: [],
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39 C.PI_RECOMMENDATIONS: [C.TEXT_CMDS],
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40 C.PI_MAIN: "XEP_0092",
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41 C.PI_HANDLER: "no", # version is already handler in core.xmpp module
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42 C.PI_DESCRIPTION: _("""Implementation of Software Version"""),
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43 }
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44
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45
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46 class XEP_0092(object):
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47 def __init__(self, host):
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48 log.info(_("Plugin XEP_0092 initialization"))
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49 self.host = host
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50 host.bridge.addMethod(
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51 "getSoftwareVersion",
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52 ".plugin",
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53 in_sign="ss",
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54 out_sign="(sss)",
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55 method=self._getVersion,
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56 async_=True,
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57 )
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58 try:
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59 self.host.plugins[C.TEXT_CMDS].addWhoIsCb(self._whois, 50)
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60 except KeyError:
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61 log.info(_("Text commands not available"))
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62
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63 def _getVersion(self, entity_jid_s, profile_key):
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64 def prepareForBridge(data):
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65 name, version, os = data
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66 return (name or "", version or "", os or "")
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67
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68 d = self.getVersion(jid.JID(entity_jid_s), profile_key)
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69 d.addCallback(prepareForBridge)
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70 return d
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71
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72 def getVersion(self, jid_, profile_key=C.PROF_KEY_NONE):
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73 """ Ask version of the client that jid_ is running
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74 @param jid_: jid from who we want to know client's version
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75 @param profile_key: %(doc_profile_key)s
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76 @return (tuple): a defered which fire a tuple with the following data (None if not available):
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77 - name: Natural language name of the software
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78 - version: specific version of the software
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79 - os: operating system of the queried entity
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80 """
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81 client = self.host.getClient(profile_key)
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82
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83 def getVersion(__):
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84 iq_elt = compat.IQ(client.xmlstream, "get")
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85 iq_elt["to"] = jid_.full()
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86 iq_elt.addElement("query", NS_VERSION)
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87 d = iq_elt.send()
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88 d.addCallback(self._gotVersion)
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89 return d
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90
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91 d = self.host.checkFeature(client, NS_VERSION, jid_)
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92 d.addCallback(getVersion)
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93 reactor.callLater(
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94 TIMEOUT, d.cancel
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95 ) # XXX: timeout needed because some clients don't answer the IQ
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96 return d
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97
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98 def _gotVersion(self, iq_elt):
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99 try:
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100 query_elt = next(iq_elt.elements(NS_VERSION, "query"))
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101 except StopIteration:
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102 raise exceptions.DataError
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103 ret = []
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104 for name in ("name", "version", "os"):
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105 try:
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106 data_elt = next(query_elt.elements(NS_VERSION, name))
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107 ret.append(str(data_elt))
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108 except StopIteration:
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109 ret.append(None)
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110
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111 return tuple(ret)
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112
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113 def _whois(self, client, whois_msg, mess_data, target_jid):
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114 """ Add software/OS information to whois """
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115
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116 def versionCb(version_data):
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117 name, version, os = version_data
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118 if name:
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119 whois_msg.append(_("Client name: %s") % name)
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120 if version:
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121 whois_msg.append(_("Client version: %s") % version)
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122 if os:
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123 whois_msg.append(_("Operating system: %s") % os)
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124
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125 def versionEb(failure):
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parents: 945
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126 failure.trap(exceptions.FeatureNotFound, defer.CancelledError)
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56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
127 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
128 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
129 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
130 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
131
1963
a2bc5089c2eb backend, frontends: message refactoring (huge commit):
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
132 d = self.getVersion(target_jid, client.profile)
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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
133 d.addCallbacks(versionCb, versionEb)
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
134 return d