Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0092.py @ 2497:38f472dbfcf0

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core (client): set default timeout of IQ to 60 seconds
author Goffi <goffi@goffi.org>
date Wed, 28 Feb 2018 18:28:39 +0100
parents 0046283a285d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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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) 2009-2018 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 log = getLogger(__name__)
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28
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29 NS_VERSION = "jabber:iq:version"
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30 TIMEOUT = 10
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31
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32 PLUGIN_INFO = {
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33 C.PI_NAME: "Software Version Plugin",
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34 C.PI_IMPORT_NAME: "XEP-0092",
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35 C.PI_TYPE: "XEP",
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36 C.PI_PROTOCOLS: ["XEP-0092"],
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37 C.PI_DEPENDENCIES: [],
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38 C.PI_RECOMMENDATIONS: [C.TEXT_CMDS],
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39 C.PI_MAIN: "XEP_0092",
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40 C.PI_HANDLER: "no", # version is already handler in core.xmpp module
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41 C.PI_DESCRIPTION: _("""Implementation of Software Version""")
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42 }
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43
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44
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45 class XEP_0092(object):
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46
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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("getSoftwareVersion", ".plugin", in_sign='ss', out_sign='(sss)', method=self._getVersion, async=True)
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51 try:
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52 self.host.plugins[C.TEXT_CMDS].addWhoIsCb(self._whois, 50)
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53 except KeyError:
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54 log.info(_("Text commands not available"))
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55
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56 def _getVersion(self, entity_jid_s, profile_key):
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57 def prepareForBridge(data):
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58 name, version, os = data
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59 return (name or '', version or '', os or '')
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60 d = self.getVersion(jid.JID(entity_jid_s), profile_key)
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61 d.addCallback(prepareForBridge)
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62 return d
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63
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64 def getVersion(self, jid_, profile_key=C.PROF_KEY_NONE):
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65 """ Ask version of the client that jid_ is running
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66 @param jid_: jid from who we want to know client's version
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67 @param profile_key: %(doc_profile_key)s
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68 @return (tuple): a defered which fire a tuple with the following data (None if not available):
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69 - name: Natural language name of the software
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70 - version: specific version of the software
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71 - os: operating system of the queried entity
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72 """
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73 client = self.host.getClient(profile_key)
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74 def getVersion(dummy):
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75 iq_elt = compat.IQ(client.xmlstream, 'get')
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76 iq_elt['to'] = jid_.full()
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77 iq_elt.addElement("query", NS_VERSION)
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78 d = iq_elt.send()
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79 d.addCallback(self._gotVersion)
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80 return d
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81 d = self.host.checkFeature(client, NS_VERSION, jid_)
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82 d.addCallback(getVersion)
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83 reactor.callLater(TIMEOUT, d.cancel) # XXX: timeout needed because some clients don't answer the IQ
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84 return d
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85
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86 def _gotVersion(self, iq_elt):
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87 try:
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88 query_elt = iq_elt.elements(NS_VERSION, 'query').next()
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89 except StopIteration:
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90 raise exceptions.DataError
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91 ret = []
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92 for name in ('name', 'version', 'os'):
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93 try:
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94 data_elt = query_elt.elements(NS_VERSION, name).next()
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95 ret.append(unicode(data_elt))
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96 except StopIteration:
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97 ret.append(None)
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98
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99 return tuple(ret)
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100
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101
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102 def _whois(self, client, whois_msg, mess_data, target_jid):
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103 """ Add software/OS information to whois """
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104 def versionCb(version_data):
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105 name, version, os = version_data
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106 if name:
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107 whois_msg.append(_("Client name: %s") % name)
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108 if version:
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109 whois_msg.append(_("Client version: %s") % version)
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110 if os:
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111 whois_msg.append(_("Operating system: %s") % os)
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112 def versionEb(failure):
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113 failure.trap(exceptions.FeatureNotFound, defer.CancelledError)
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114 if failure.check(failure,exceptions.FeatureNotFound):
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115 whois_msg.append(_("Software version not available"))
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116 else:
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117 whois_msg.append(_("Client software version request timeout"))
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118
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119 d = self.getVersion(target_jid, client.profile)
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diff changeset
120 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
121 return d
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
122