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annotate sat/plugins/plugin_xep_0199.py @ 2910:b2f323237fce

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jp, plugin merge-requests: used u'' as default for item id in pubsub arguments + fixed some required arguments: u"" is now used as defaut item id instead of node, as it needs to be serialised anyway. This is temporary solution, as empty string can be used for item id (not forbidden by XEP-0060), but for now this is not handled correctly in jp/SàT (see https://bugs.goffi.org/bugs/view/289). Correct solution will probably need to use a special key in extra to mark empty string in id. Added/removed some required values for node or item when it made sense.
author Goffi <goffi@goffi.org>
date Sun, 14 Apr 2019 08:21:51 +0200
parents 003b8b4b56a7
children ab2696e34d29
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d715d912afac plugin XEP-0199: implementation of XMPP Ping
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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 # SAT plugin for Delayed Delivery (XEP-0199)
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5 # Copyright (C) 2009-2019 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 implements
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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: u"XMPP PING",
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34 C.PI_IMPORT_NAME: u"XEP-0199",
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35 C.PI_TYPE: u"XEP",
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36 C.PI_PROTOCOLS: [u"XEP-199"],
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37 C.PI_MAIN: "XEP_0199",
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38 C.PI_HANDLER: u"yes",
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39 C.PI_DESCRIPTION: D_(u"""Implementation of XMPP Ping"""),
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40 }
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41
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42 NS_PING = u"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(_(u"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] != u"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 (u"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] == u"PONG":
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106 txt_cmd.feedBack(client, u"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, _(u"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, _(u'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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Goffi <goffi@goffi.org>
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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
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133 def onPingRequest(self, iq_elt, client):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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134 log.info(_(u"XMPP PING received from {from_jid} [{profile}]").format(
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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135 from_jid=iq_elt["from"], profile=client.profile))
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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136 iq_elt.handled = True
d715d912afac plugin XEP-0199: implementation of XMPP Ping
Goffi <goffi@goffi.org>
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137 iq_result_elt = xmlstream.toResponse(iq_elt, "result")
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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138 client.send(iq_result_elt)
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139
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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140
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141 class XEP_0199_handler(xmlstream.XMPPHandler):
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142 implements(iwokkel.IDisco)
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143
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Goffi <goffi@goffi.org>
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144 def __init__(self, plugin_parent):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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145 self.plugin_parent = plugin_parent
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146
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Goffi <goffi@goffi.org>
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147 def connectionInitialized(self):
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148 self.xmlstream.addObserver(
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149 PING_REQUEST, self.plugin_parent.onPingRequest, client=self.parent
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150 )
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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151
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Goffi <goffi@goffi.org>
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152 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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153 return [disco.DiscoFeature(NS_PING)]
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Goffi <goffi@goffi.org>
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154
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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155 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
d715d912afac plugin XEP-0199: implementation of XMPP Ping
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156 return []