Mercurial > libervia-backend

annotate sat/plugins/plugin_xep_0199.py @ 3120:0c29155ac68b

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core: backend autoconnection: A new Connection/autoconnect_backend param can be set for a profile or component to be started automatically with backend. This is specially useful for components, but can be useful for client profile too (e.g. on Android we need to start profile with backend to get notifications, this part will come with following commits). The new Sqlite.getIndParamValues method allows to retrieve the same parameters for all profiles.
author Goffi <goffi@goffi.org>
date Sat, 25 Jan 2020 21:08:32 +0100
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 # 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 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
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133 def onPingRequest(self, iq_elt, client):
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134 log.info(_("XMPP PING received from {from_jid} [{profile}]").format(
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135 from_jid=iq_elt["from"], profile=client.profile))
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136 iq_elt.handled = True
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137 iq_result_elt = xmlstream.toResponse(iq_elt, "result")
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138 client.send(iq_result_elt)
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139
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140
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ab2696e34d29 Python 3 port:
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parents: 2771
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141 @implementer(iwokkel.IDisco)
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142 class XEP_0199_handler(xmlstream.XMPPHandler):
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143
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144 def __init__(self, plugin_parent):
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145 self.plugin_parent = plugin_parent
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146
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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 )
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151
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152 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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153 return [disco.DiscoFeature(NS_PING)]
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154
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155 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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156 return []