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annotate sat/plugins/plugin_xep_0199.py @ 3237:b0c57c9a4bd8

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plugin XEP-0384: OMEMO trust policy: OMEMO trust policy can now be specified. For now there are 2 policies: - `manual`: each new device fingerprint must be explicitly trusted or not before the device can be used, and the message sent - `BTBV` (Blind Trust Before Verification): each new device fingerprint is automically trusted, until user manually trust or not a device, in which case the behaviour becomes the same as for `manual` for the entity. When using the Trust UI, user can put the entity back to blind trust if they wish. A message is send as feedback to user when a new device is/must be trusted, trying to explain clearly what's happening to the user. Devices which have been automically trusted are marked, so user can know which ones may cause security issue.
author Goffi <goffi@goffi.org>
date Fri, 27 Mar 2020 10:02:14 +0100
parents 559a625a236b
children be6d91572633
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for Delayed Delivery (XEP-0199)
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5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 from sat.core.i18n import _, D_
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22 from sat.core.log import getLogger
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23
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24 log = getLogger(__name__)
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25 from sat.core.constants import Const as C
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26 from wokkel import disco, iwokkel
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27 from twisted.words.protocols.jabber import xmlstream, jid
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28 from zope.interface import implementer
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29 import time
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30
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31
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32 PLUGIN_INFO = {
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33 C.PI_NAME: "XMPP PING",
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34 C.PI_IMPORT_NAME: "XEP-0199",
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35 C.PI_TYPE: "XEP",
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36 C.PI_PROTOCOLS: ["XEP-199"],
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37 C.PI_MAIN: "XEP_0199",
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38 C.PI_HANDLER: "yes",
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39 C.PI_DESCRIPTION: D_("""Implementation of XMPP Ping"""),
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40 }
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41
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42 NS_PING = "urn:xmpp:ping"
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43 PING_REQUEST = C.IQ_GET + '/ping[@xmlns="' + NS_PING + '"]'
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44
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45
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46 class XEP_0199(object):
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47
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48 def __init__(self, host):
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49 log.info(_("XMPP Ping plugin initialization"))
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50 self.host = host
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51 host.bridge.addMethod(
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52 "ping", ".plugin", in_sign='ss', out_sign='d', method=self._ping, async_=True)
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53 try:
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54 self.text_cmds = self.host.plugins[C.TEXT_CMDS]
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55 except KeyError:
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56 log.info(_("Text commands not available"))
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57 else:
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58 self.text_cmds.registerTextCommands(self)
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59
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60 def getHandler(self, client):
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61 return XEP_0199_handler(self)
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62
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63 def _pingRaiseIfFailure(self, pong):
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64 """If ping didn't succeed, raise the failure, else return pong delay"""
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65 if pong[0] != "PONG":
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66 raise pong[0]
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67 return pong[1]
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68
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69 def _ping(self, jid_s, profile):
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70 client = self.host.getClient(profile)
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71 entity_jid = jid.JID(jid_s)
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72 d = self.ping(client, entity_jid)
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73 d.addCallback(self._pingRaiseIfFailure)
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74 return d
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75
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76 def _pingCb(self, iq_result, send_time):
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77 receive_time = time.time()
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78 return ("PONG", receive_time - send_time)
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79
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80 def _pingEb(self, failure_, send_time):
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81 receive_time = time.time()
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82 return (failure_.value, receive_time - send_time)
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83
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84 def ping(self, client, entity_jid):
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85 """Ping an XMPP entity
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86
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87 @param entity_jid(jid.JID): entity to ping
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88 @return (tuple[(unicode,failure), float]): pong data:
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89 - either u"PONG" if it was successful, or failure
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90 - delay between sending time and reception time
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91 """
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92 iq_elt = client.IQ("get")
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93 iq_elt["to"] = entity_jid.full()
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94 iq_elt.addElement((NS_PING, "ping"))
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95 d = iq_elt.send()
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96 send_time = time.time()
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97 d.addCallback(self._pingCb, send_time)
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98 d.addErrback(self._pingEb, send_time)
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99 return d
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100
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101 def _cmd_ping_fb(self, pong, client, mess_data):
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102 """Send feedback to client when pong data is received"""
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103 txt_cmd = self.host.plugins[C.TEXT_CMDS]
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104
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105 if pong[0] == "PONG":
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106 txt_cmd.feedBack(client, "PONG ({time} s)".format(time=pong[1]), mess_data)
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107 else:
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108 txt_cmd.feedBack(
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109 client, _("ping error ({err_msg}). Response time: {time} s")
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110 .format(err_msg=pong[0], time=pong[1]), mess_data)
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111
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112 def cmd_ping(self, client, mess_data):
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113 """ping an entity
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114
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115 @command (all): [JID]
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116 - JID: jid of the entity to ping
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117 """
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118 if mess_data["unparsed"].strip():
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119 try:
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120 entity_jid = jid.JID(mess_data["unparsed"].strip())
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121 except RuntimeError:
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122 txt_cmd = self.host.plugins[C.TEXT_CMDS]
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123 txt_cmd.feedBack(client, _('Invalid jid: "{entity_jid}"').format(
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124 entity_jid=mess_data["unparsed"].strip()), mess_data)
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125 return False
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126 else:
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127 entity_jid = mess_data["to"]
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128 d = self.ping(client, entity_jid)
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129 d.addCallback(self._cmd_ping_fb, client, mess_data)
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130
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131 return False
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132
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
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133 def onPingRequest(self, iq_elt, client):
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Goffi <goffi@goffi.org>
parents: 2771
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134 log.info(_("XMPP PING received from {from_jid} [{profile}]").format(
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d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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135 from_jid=iq_elt["from"], profile=client.profile))
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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136 iq_elt.handled = True
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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137 iq_result_elt = xmlstream.toResponse(iq_elt, "result")
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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138 client.send(iq_result_elt)
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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139
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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140
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Goffi <goffi@goffi.org>
parents: 2771
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141 @implementer(iwokkel.IDisco)
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d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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142 class XEP_0199_handler(xmlstream.XMPPHandler):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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143
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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144 def __init__(self, plugin_parent):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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145 self.plugin_parent = plugin_parent
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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146
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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147 def connectionInitialized(self):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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148 self.xmlstream.addObserver(
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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149 PING_REQUEST, self.plugin_parent.onPingRequest, client=self.parent
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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150 )
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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151
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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152 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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153 return [disco.DiscoFeature(NS_PING)]
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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154
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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155 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
parents:
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156 return []