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annotate sat/plugins/plugin_xep_0260.py @ 2635:eecd84a2530a

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0.7.0a1 release
author Goffi <goffi@goffi.org>
date Wed, 04 Jul 2018 07:26:20 +0200
parents 56f94936df1e
children 378188abe941
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rev   line source
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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 Jingle (XEP-0260)
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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 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 import exceptions
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26 from wokkel import disco, iwokkel
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27 from zope.interface import implements
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28 from twisted.words.xish import domish
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29 from twisted.words.protocols.jabber import jid
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30 from twisted.internet import defer
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31 import uuid
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32
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33 try:
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34 from twisted.words.protocols.xmlstream import XMPPHandler
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35 except ImportError:
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36 from wokkel.subprotocols import XMPPHandler
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37
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38
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39 NS_JINGLE_S5B = "urn:xmpp:jingle:transports:s5b:1"
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40
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41 PLUGIN_INFO = {
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42 C.PI_NAME: "Jingle SOCKS5 Bytestreams",
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43 C.PI_IMPORT_NAME: "XEP-0260",
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44 C.PI_TYPE: "XEP",
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45 C.PI_MODES: C.PLUG_MODE_BOTH,
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46 C.PI_PROTOCOLS: ["XEP-0260"],
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47 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0065"],
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48 C.PI_RECOMMENDATIONS: ["XEP-0261"], # needed for fallback
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49 C.PI_MAIN: "XEP_0260",
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50 C.PI_HANDLER: "yes",
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51 C.PI_DESCRIPTION: _("""Implementation of Jingle SOCKS5 Bytestreams"""),
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52 }
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53
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54
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55 class ProxyError(Exception):
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56 def __str__(self):
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57 return "an error happened while trying to use the proxy"
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58
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59
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60 class XEP_0260(object):
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61 # TODO: udp handling
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62
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63 def __init__(self, host):
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64 log.info(_("plugin Jingle SOCKS5 Bytestreams"))
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65 self.host = host
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66 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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67 self._s5b = host.plugins["XEP-0065"] # and socks5 bytestream
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68 try:
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69 self._jingle_ibb = host.plugins["XEP-0261"]
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70 except KeyError:
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71 self._jingle_ibb = None
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72 self._j.registerTransport(NS_JINGLE_S5B, self._j.TRANSPORT_STREAMING, self, 100)
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73
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74 def getHandler(self, client):
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75 return XEP_0260_handler()
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76
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77 def _parseCandidates(self, transport_elt):
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78 """Parse <candidate> elements
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79
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80 @param transport_elt(domish.Element): parent <transport> element
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81 @return (list[plugin_xep_0065.Candidate): list of parsed candidates
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82 """
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83 candidates = []
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84 for candidate_elt in transport_elt.elements(NS_JINGLE_S5B, "candidate"):
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85 try:
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86 cid = candidate_elt["cid"]
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87 host = candidate_elt["host"]
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88 jid_ = jid.JID(candidate_elt["jid"])
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89 port = int(candidate_elt.getAttribute("port", 1080))
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90 priority = int(candidate_elt["priority"])
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91 type_ = candidate_elt.getAttribute("type", self._s5b.TYPE_DIRECT)
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92 except (KeyError, ValueError):
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93 raise exceptions.DataError()
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94 candidate = self._s5b.Candidate(host, port, type_, priority, jid_, cid)
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95 candidates.append(candidate)
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96 # self._s5b.registerCandidate(candidate)
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97 return candidates
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98
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99 def _buildCandidates(self, session, candidates, sid, session_hash, client, mode=None):
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100 """Build <transport> element with candidates
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101
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102 @param session(dict): jingle session data
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103 @param candidates(iterator[plugin_xep_0065.Candidate]): iterator of candidates to add
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104 @param sid(unicode): transport stream id
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105 @param client: %(doc_client)s
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106 @param mode(str, None): 'tcp' or 'udp', or None to have no attribute
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107 @return (domish.Element): parent <transport> element where <candidate> elements must be added
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108 """
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109 proxy = next(
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110 (
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111 candidate
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112 for candidate in candidates
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113 if candidate.type == self._s5b.TYPE_PROXY
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114 ),
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115 None,
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116 )
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117 transport_elt = domish.Element((NS_JINGLE_S5B, "transport"))
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118 transport_elt["sid"] = sid
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119 if proxy is not None:
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120 transport_elt["dstaddr"] = session_hash
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121 if mode is not None:
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122 transport_elt["mode"] = "tcp" # XXX: we only manage tcp for now
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123
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124 for candidate in candidates:
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125 log.debug(u"Adding candidate: {}".format(candidate))
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126 candidate_elt = transport_elt.addElement("candidate", NS_JINGLE_S5B)
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127 if candidate.id is None:
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128 candidate.id = unicode(uuid.uuid4())
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129 candidate_elt["cid"] = candidate.id
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130 candidate_elt["host"] = candidate.host
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131 candidate_elt["jid"] = candidate.jid.full()
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132 candidate_elt["port"] = unicode(candidate.port)
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133 candidate_elt["priority"] = unicode(candidate.priority)
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134 candidate_elt["type"] = candidate.type
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135 return transport_elt
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136
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137 @defer.inlineCallbacks
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138 def jingleSessionInit(self, client, session, content_name):
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139 content_data = session["contents"][content_name]
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140 transport_data = content_data["transport_data"]
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141 sid = transport_data["sid"] = unicode(uuid.uuid4())
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142 session_hash = transport_data["session_hash"] = self._s5b.getSessionHash(
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143 client.jid, session["peer_jid"], sid
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144 )
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145 transport_data["peer_session_hash"] = self._s5b.getSessionHash(
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146 session["peer_jid"], client.jid, sid
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147 ) # requester and target are inversed for peer candidates
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148 transport_data["stream_d"] = self._s5b.registerHash(client, session_hash, None)
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149 candidates = transport_data["candidates"] = yield self._s5b.getCandidates(client)
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150 mode = "tcp" # XXX: we only manage tcp for now
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151 transport_elt = self._buildCandidates(
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152 session, candidates, sid, session_hash, client, mode
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153 )
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154
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155 defer.returnValue(transport_elt)
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156
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157 def _proxyActivatedCb(self, iq_result_elt, client, candidate, session, content_name):
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158 """Called when activation confirmation has been received from proxy
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159
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160 cf XEP-0260 § 2.4
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161 """
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162 # now that the proxy is activated, we have to inform other peer
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163 iq_elt, transport_elt = self._j.buildAction(
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164 client, self._j.A_TRANSPORT_INFO, session, content_name
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165 )
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166 activated_elt = transport_elt.addElement("activated")
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167 activated_elt["cid"] = candidate.id
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168 iq_elt.send()
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169
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170 def _proxyActivatedEb(self, stanza_error, client, candidate, session, content_name):
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171 """Called when activation error has been received from proxy
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172
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173 cf XEP-0260 § 2.4
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174 """
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175 # TODO: fallback to IBB
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176 # now that the proxy is activated, we have to inform other peer
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177 iq_elt, transport_elt = self._j.buildAction(
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178 client, self._j.A_TRANSPORT_INFO, session, content_name
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179 )
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180 transport_elt.addElement("proxy-error")
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181 iq_elt.send()
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182 log.warning(
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183 u"Can't activate proxy, we need to fallback to IBB: {reason}".format(
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184 reason=stanza_error.value.condition
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185 )
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186 )
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187 self.doFallback(session, content_name, client)
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188
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189 def _foundPeerCandidate(
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190 self, candidate, session, transport_data, content_name, client
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191 ):
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192 """Called when the best candidate from other peer is found
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193
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194 @param candidate(XEP_0065.Candidate, None): selected candidate,
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195 or None if no candidate is accessible
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196 @param session(dict): session data
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197 @param transport_data(dict): transport data
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198 @param content_name(unicode): name of the current content
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199 @param client(unicode): %(doc_client)s
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200 """
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201
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202 transport_data["best_candidate"] = candidate
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203 # we need to disconnect all non selected candidates before removing them
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204 for c in transport_data["peer_candidates"]:
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205 if c is None or c is candidate:
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206 continue
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207 c.discard()
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208 del transport_data["peer_candidates"]
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209 iq_elt, transport_elt = self._j.buildAction(
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210 client, self._j.A_TRANSPORT_INFO, session, content_name
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211 )
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212 if candidate is None:
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213 log.warning(u"Can't connect to any peer candidate")
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214 candidate_elt = transport_elt.addElement("candidate-error")
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215 else:
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216 log.info(u"Found best peer candidate: {}".format(unicode(candidate)))
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217 candidate_elt = transport_elt.addElement("candidate-used")
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218 candidate_elt["cid"] = candidate.id
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219 iq_elt.send() # TODO: check result stanza
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220 self._checkCandidates(session, content_name, transport_data, client)
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221
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222 def _checkCandidates(self, session, content_name, transport_data, client):
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223 """Called when a candidate has been choosed
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224
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225 if we have both candidates, we select one, or fallback to an other transport
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226 @param session(dict): session data
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227 @param content_name(unicode): name of the current content
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228 @param transport_data(dict): transport data
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229 @param client(unicode): %(doc_client)s
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230 """
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231 content_data = session["contents"][content_name]
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232 try:
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233 best_candidate = transport_data["best_candidate"]
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234 except KeyError:
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235 # we have not our best candidate yet
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236 return
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diff changeset
237 try:
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238 peer_best_candidate = transport_data["peer_best_candidate"]
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239 except KeyError:
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240 # we have not peer best candidate yet
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241 return
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242
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243 # at this point we have both candidates, it's time to choose one
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244 if best_candidate is None or peer_best_candidate is None:
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245 choosed_candidate = best_candidate or peer_best_candidate
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246 else:
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247 if best_candidate.priority == peer_best_candidate.priority:
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248 # same priority, we choose initiator one according to XEP-0260 §2.4 #4
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249 log.debug(
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250 u"Candidates have same priority, we select the one choosed by initiator"
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251 )
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252 if session["initiator"] == client.jid:
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253 choosed_candidate = best_candidate
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254 else:
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255 choosed_candidate = peer_best_candidate
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diff changeset
256 else:
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257 choosed_candidate = max(
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258 best_candidate, peer_best_candidate, key=lambda c: c.priority
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259 )
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diff changeset
260
dcce63810733 plugin XEP-0260: first draft
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diff changeset
261 if choosed_candidate is None:
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262 log.warning(u"Socks5 negociation failed, we need to fallback to IBB")
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263 self.doFallback(session, content_name, client)
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264 else:
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265 if choosed_candidate == peer_best_candidate:
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266 # peer_best_candidate was choosed from the candidates we have sent
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267 # so our_candidate is true if choosed_candidate is peer_best_candidate
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268 our_candidate = True
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269 # than also mean that best_candidate must be discarded !
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270 try:
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271 best_candidate.discard()
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272 except AttributeError: # but it can be None
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273 pass
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diff changeset
274 else:
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1570
diff changeset
275 our_candidate = False
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
276
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
277 log.info(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
278 u"Socks5 negociation successful, {who} candidate will be used: {candidate}".format(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
279 who=u"our" if our_candidate else u"other peer",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
280 candidate=choosed_candidate,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
281 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
282 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
283 del transport_data["best_candidate"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
284 del transport_data["peer_best_candidate"]
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
285
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
286 if choosed_candidate.type == self._s5b.TYPE_PROXY:
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
287 # the stream transfer need to wait for proxy activation
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
288 # (see XEP-0260 § 2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
289 if our_candidate:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
290 d = self._s5b.connectCandidate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
291 client, choosed_candidate, transport_data["session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
292 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
293 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
294 lambda dummy: choosed_candidate.activate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
295 transport_data["sid"], session["peer_jid"], client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
296 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
297 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
298 args = [client, choosed_candidate, session, content_name]
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
299 d.addCallbacks(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
300 self._proxyActivatedCb, self._proxyActivatedEb, args, None, args
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
301 )
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
302 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
303 # this Deferred will be called when we'll receive activation confirmation from other peer
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
304 d = transport_data["activation_d"] = defer.Deferred()
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
305 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
306 d = defer.succeed(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
307
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
308 if content_data["senders"] == session["role"]:
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
309 # we can now start the stream transfer (or start it after proxy activation)
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
310 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
311 lambda dummy: choosed_candidate.startTransfer(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
312 transport_data["session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
313 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
314 )
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
315 d.addErrback(self._startEb, session, content_name, client)
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
316
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
317 def _startEb(self, fail, session, content_name, client):
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
318 """Called when it's not possible to start the transfer
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
319
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
320 Will try to fallback to IBB
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
321 """
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
322 try:
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
323 reason = unicode(fail.value)
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
324 except AttributeError:
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
325 reason = unicode(fail)
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
326 log.warning(u"Cant start transfert, we'll try fallback method: {}".format(reason))
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
327 self.doFallback(session, content_name, client)
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
328
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
329 def _candidateInfo(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
330 self, candidate_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
331 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
332 """Called when best candidate has been received from peer (or if none is working)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
333
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
334 @param candidate_elt(domish.Element): candidate-used or candidate-error element
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
335 (see XEP-0260 §2.3)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
336 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
337 @param content_name(unicode): name of the current content
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
338 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
339 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
340 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
341 if candidate_elt.name == "candidate-error":
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
342 # candidate-error, no candidate worked
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
343 transport_data["peer_best_candidate"] = None
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
344 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
345 # candidate-used, one candidate was choosed
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
346 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
347 cid = candidate_elt.attributes["cid"]
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
348 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
349 log.warning(u"No cid found in <candidate-used>")
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
350 raise exceptions.DataError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
351 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
352 candidate = (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
353 c for c in transport_data["candidates"] if c.id == cid
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
354 ).next()
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
355 except StopIteration:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
356 log.warning(u"Given cid doesn't correspond to any known candidate !")
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
357 raise exceptions.DataError # TODO: send an error to other peer, and use better exception
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
358 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
359 # a transport-info can also be intentionaly sent too early by other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
360 # but there is little probability
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
361 log.error(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
362 u'"candidates" key doesn\'t exists in transport_data, it should at this point'
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
363 )
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
364 raise exceptions.InternalError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
365 # at this point we have the candidate choosed by other peer
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
366 transport_data["peer_best_candidate"] = candidate
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
367 log.info(u"Other peer best candidate: {}".format(candidate))
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
368
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
369 del transport_data["candidates"]
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
370 self._checkCandidates(session, content_name, transport_data, client)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
371
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
372 def _proxyActivationInfo(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
373 self, proxy_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
374 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
375 """Called when proxy has been activated (or has sent an error)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
376
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
377 @param proxy_elt(domish.Element): <activated/> or <proxy-error/> element
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
378 (see XEP-0260 §2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
379 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
380 @param content_name(unicode): name of the current content
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
381 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
382 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
383 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
384 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
385 activation_d = transport_data.pop("activation_d")
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
386 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
387 log.warning(u"Received unexpected transport-info for proxy activation")
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
388
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
389 if proxy_elt.name == "activated":
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
390 activation_d.callback(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
391 else:
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
392 activation_d.errback(ProxyError())
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
393
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
394 @defer.inlineCallbacks
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
395 def jingleHandler(self, client, action, session, content_name, transport_elt):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
396 content_data = session["contents"][content_name]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
397 transport_data = content_data["transport_data"]
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
398
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
399 if action in (self._j.A_ACCEPTED_ACK, self._j.A_PREPARE_RESPONDER):
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
400 pass
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
401
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
402 elif action == self._j.A_SESSION_ACCEPT:
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
403 # initiator side, we select a candidate in the ones sent by responder
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
404 assert "peer_candidates" not in transport_data
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
405 transport_data["peer_candidates"] = self._parseCandidates(transport_elt)
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
406
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
407 elif action == self._j.A_START:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
408 session_hash = transport_data["session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
409 peer_candidates = transport_data["peer_candidates"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
410 stream_object = content_data["stream_object"]
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
411 self._s5b.associateStreamObject(client, session_hash, stream_object)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
412 stream_d = transport_data.pop("stream_d")
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
413 stream_d.chainDeferred(content_data["finished_d"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
414 peer_session_hash = transport_data["peer_session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
415 d = self._s5b.getBestCandidate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
416 client, peer_candidates, session_hash, peer_session_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
417 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
418 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
419 self._foundPeerCandidate, session, transport_data, content_name, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
420 )
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
421
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
422 elif action == self._j.A_SESSION_INITIATE:
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
423 # responder side, we select a candidate in the ones sent by initiator
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
424 # and we give our candidates
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
425 assert "peer_candidates" not in transport_data
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
426 sid = transport_data["sid"] = transport_elt["sid"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
427 session_hash = transport_data["session_hash"] = self._s5b.getSessionHash(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
428 client.jid, session["peer_jid"], sid
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
429 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
430 peer_session_hash = transport_data[
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
431 "peer_session_hash"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
432 ] = self._s5b.getSessionHash(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
433 session["peer_jid"], client.jid, sid
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
434 ) # requester and target are inversed for peer candidates
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
435 peer_candidates = transport_data["peer_candidates"] = self._parseCandidates(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
436 transport_elt
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
437 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
438 stream_object = content_data["stream_object"]
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
439 stream_d = self._s5b.registerHash(client, session_hash, stream_object)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
440 stream_d.chainDeferred(content_data["finished_d"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
441 d = self._s5b.getBestCandidate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
442 client, peer_candidates, session_hash, peer_session_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
443 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
444 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
445 self._foundPeerCandidate, session, transport_data, content_name, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
446 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
447 candidates = yield self._s5b.getCandidates(client)
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
448 # we remove duplicate candidates
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
449 candidates = [
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
450 candidate for candidate in candidates if candidate not in peer_candidates
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
451 ]
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
452
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
453 transport_data["candidates"] = candidates
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
454 # we can now build a new <transport> element with our candidates
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
455 transport_elt = self._buildCandidates(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
456 session, candidates, sid, session_hash, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
457 )
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
458
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
459 elif action == self._j.A_TRANSPORT_INFO:
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
460 # transport-info can be about candidate or proxy activation
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
461 candidate_elt = None
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
462
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
463 for method, names in (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
464 (self._candidateInfo, ("candidate-used", "candidate-error")),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
465 (self._proxyActivationInfo, ("activated", "proxy-error")),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
466 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
467 for name in names:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
468 try:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
469 candidate_elt = transport_elt.elements(NS_JINGLE_S5B, name).next()
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
470 except StopIteration:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
471 continue
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
472 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
473 method(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
474 candidate_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
475 )
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
476 break
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
477
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
478 if candidate_elt is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
479 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
480 u"Unexpected transport element: {}".format(transport_elt.toXml())
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
481 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
482 elif action == self._j.A_DESTROY:
1758
a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling:
Goffi <goffi@goffi.org>
parents: 1757
diff changeset
483 # the transport is replaced (fallback ?), We need mainly to kill XEP-0065 session.
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
484 # note that sid argument is not necessary for sessions created by this plugin
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
485 self._s5b.killSession(None, transport_data["session_hash"], None, client)
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
486 else:
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
487 log.warning(u"FIXME: unmanaged action {}".format(action))
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
488
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
489 defer.returnValue(transport_elt)
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
490
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
491 def jingleTerminate(self, client, action, session, content_name, reason_elt):
1755
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined
Goffi <goffi@goffi.org>
parents: 1631
diff changeset
492 if reason_elt.decline:
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined
Goffi <goffi@goffi.org>
parents: 1631
diff changeset
493 log.debug(u"Session declined, deleting S5B session")
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined
Goffi <goffi@goffi.org>
parents: 1631
diff changeset
494 # we just need to clean the S5B session if it is declined
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
495 content_data = session["contents"][content_name]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
496 transport_data = content_data["transport_data"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
497 self._s5b.killSession(None, transport_data["session_hash"], None, client)
1755
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined
Goffi <goffi@goffi.org>
parents: 1631
diff changeset
498
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
499 def _doFallback(self, feature_checked, session, content_name, client):
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
500 """Do the fallback, method called once feature is checked
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
501
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
502 @param feature_checked(bool): True if other peer can do IBB
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
503 """
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
504 if not feature_checked:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
505 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
506 u"Other peer can't manage jingle IBB, be have to terminate the session"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
507 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
508 self._j.terminate(client, self._j.REASON_CONNECTIVITY_ERROR, session)
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
509 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
510 self._j.transportReplace(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
511 client, self._jingle_ibb.NAMESPACE, session, content_name
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
512 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
513
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
514 def doFallback(self, session, content_name, client):
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
515 """Fallback to IBB transport, used in last resort
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
516
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
517 @param session(dict): session data
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
518 @param content_name(unicode): name of the current content
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
519 @param client(unicode): %(doc_client)s
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
520 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
521 if session["role"] != self._j.ROLE_INITIATOR:
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
522 # only initiator must do the fallback, see XEP-0260 §3
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
523 return
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
524 if self._jingle_ibb is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
525 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
526 u"Jingle IBB (XEP-0261) plugin is not available, we have to close the session"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
527 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
528 self._j.terminate(client, self._j.REASON_CONNECTIVITY_ERROR, session)
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
529 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
530 d = self.host.hasFeature(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
531 client, self._jingle_ibb.NAMESPACE, session["peer_jid"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
532 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
533 d.addCallback(self._doFallback, session, content_name, client)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
534 return d
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
535
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
536
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
537 class XEP_0260_handler(XMPPHandler):
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
538 implements(iwokkel.IDisco)
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
539
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
540 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
541 return [disco.DiscoFeature(NS_JINGLE_S5B)]
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
542
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
543 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
544 return []