Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0199.py @ 2699:310e41bd6666
core (memory/sqlite): added stanza_id:
/!\ database schema change /!\
stanza_id is a new field in history added to prepare the implementation of MAM for messages.
A new "last_stanza_id" can be used in filters to retrieve last message with a know stanza id (useful for history synchronisation).
author | Goffi <goffi@goffi.org> |
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date | Sat, 01 Dec 2018 10:08:17 +0100 |
parents | d715d912afac |
children | 003b8b4b56a7 |
rev | line source |
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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) 2009-2018 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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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(_(u"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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141 class XEP_0199_handler(xmlstream.XMPPHandler): |
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142 implements(iwokkel.IDisco) |
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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 [] |