annotate sat/plugins/plugin_xep_0260.py @ 3330:7b47f48d31f3

plugin XEP-0264: fix orientation of thumbnails: Rotation of thumbnailis is now modified according to EXIF orientation data. Original image is not modified as user may want to keep it, and orientation transformation can modify encoding parameters. Update `pillow` minimum version to the first one with `exif_transpose` implementation.
author Goffi <goffi@goffi.org>
date Thu, 13 Aug 2020 23:46:18 +0200
parents 559a625a236b
children be6d91572633
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rev   line source
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for Jingle (XEP-0260)
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5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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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 implementer
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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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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("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 = str(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"] = str(candidate.port)
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133 candidate_elt["priority"] = str(candidate.priority)
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134 candidate_elt["type"] = candidate.type
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135 return transport_elt
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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"] = str(uuid.uuid4())
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142 session_hash = transport_data["session_hash"] = self._s5b.getSessionHash(
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143 session["local_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"], session["local_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(
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150 client, session["local_jid"])
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151 mode = "tcp" # XXX: we only manage tcp for now
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152 transport_elt = self._buildCandidates(
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153 session, candidates, sid, session_hash, client, mode
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154 )
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155
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156 defer.returnValue(transport_elt)
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157
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158 def _proxyActivatedCb(self, iq_result_elt, client, candidate, session, content_name):
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159 """Called when activation confirmation has been received from proxy
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160
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161 cf XEP-0260 § 2.4
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162 """
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163 # now that the proxy is activated, we have to inform other peer
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164 iq_elt, transport_elt = self._j.buildAction(
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165 client, self._j.A_TRANSPORT_INFO, session, content_name
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166 )
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167 activated_elt = transport_elt.addElement("activated")
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168 activated_elt["cid"] = candidate.id
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169 iq_elt.send()
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170
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171 def _proxyActivatedEb(self, stanza_error, client, candidate, session, content_name):
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172 """Called when activation error has been received from proxy
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173
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174 cf XEP-0260 § 2.4
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175 """
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176 # TODO: fallback to IBB
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177 # now that the proxy is activated, we have to inform other peer
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178 iq_elt, transport_elt = self._j.buildAction(
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179 client, self._j.A_TRANSPORT_INFO, session, content_name
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180 )
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181 transport_elt.addElement("proxy-error")
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182 iq_elt.send()
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183 log.warning(
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184 "Can't activate proxy, we need to fallback to IBB: {reason}".format(
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185 reason=stanza_error.value.condition
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186 )
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187 )
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188 self.doFallback(session, content_name, client)
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189
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190 def _foundPeerCandidate(
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191 self, candidate, session, transport_data, content_name, client
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192 ):
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193 """Called when the best candidate from other peer is found
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194
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195 @param candidate(XEP_0065.Candidate, None): selected candidate,
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196 or None if no candidate is accessible
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197 @param session(dict): session data
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198 @param transport_data(dict): transport data
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199 @param content_name(unicode): name of the current content
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200 @param client(unicode): %(doc_client)s
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201 """
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202
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203 transport_data["best_candidate"] = candidate
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204 # we need to disconnect all non selected candidates before removing them
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205 for c in transport_data["peer_candidates"]:
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206 if c is None or c is candidate:
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207 continue
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208 c.discard()
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209 del transport_data["peer_candidates"]
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210 iq_elt, transport_elt = self._j.buildAction(
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211 client, self._j.A_TRANSPORT_INFO, session, content_name
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212 )
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213 if candidate is None:
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214 log.warning("Can't connect to any peer candidate")
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215 candidate_elt = transport_elt.addElement("candidate-error")
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216 else:
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217 log.info("Found best peer candidate: {}".format(str(candidate)))
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218 candidate_elt = transport_elt.addElement("candidate-used")
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219 candidate_elt["cid"] = candidate.id
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220 iq_elt.send() # TODO: check result stanza
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221 self._checkCandidates(session, content_name, transport_data, client)
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222
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223 def _checkCandidates(self, session, content_name, transport_data, client):
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224 """Called when a candidate has been choosed
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225
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226 if we have both candidates, we select one, or fallback to an other transport
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227 @param session(dict): session data
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228 @param content_name(unicode): name of the current content
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229 @param transport_data(dict): transport data
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230 @param client(unicode): %(doc_client)s
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231 """
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232 content_data = session["contents"][content_name]
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233 try:
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234 best_candidate = transport_data["best_candidate"]
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235 except KeyError:
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236 # we have not our best candidate yet
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237 return
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238 try:
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239 peer_best_candidate = transport_data["peer_best_candidate"]
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240 except KeyError:
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241 # we have not peer best candidate yet
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242 return
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243
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244 # at this point we have both candidates, it's time to choose one
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245 if best_candidate is None or peer_best_candidate is None:
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246 choosed_candidate = best_candidate or peer_best_candidate
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247 else:
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248 if best_candidate.priority == peer_best_candidate.priority:
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249 # same priority, we choose initiator one according to XEP-0260 §2.4 #4
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250 log.debug(
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251 "Candidates have same priority, we select the one choosed by initiator"
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252 )
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253 if session["initiator"] == session["local_jid"]:
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254 choosed_candidate = best_candidate
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255 else:
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256 choosed_candidate = peer_best_candidate
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diff changeset
257 else:
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258 choosed_candidate = max(
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259 best_candidate, peer_best_candidate, key=lambda c: c.priority
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260 )
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261
dcce63810733 plugin XEP-0260: first draft
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262 if choosed_candidate is None:
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263 log.warning("Socks5 negociation failed, we need to fallback to IBB")
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264 self.doFallback(session, content_name, client)
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265 else:
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266 if choosed_candidate == peer_best_candidate:
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267 # peer_best_candidate was choosed from the candidates we have sent
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268 # so our_candidate is true if choosed_candidate is peer_best_candidate
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269 our_candidate = True
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270 # than also mean that best_candidate must be discarded !
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271 try:
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272 best_candidate.discard()
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273 except AttributeError: # but it can be None
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Goffi <goffi@goffi.org>
parents: 1570
diff changeset
274 pass
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 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
276 our_candidate = False
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dcce63810733 plugin XEP-0260: first draft
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parents:
diff changeset
277
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parents: 2562
diff changeset
278 log.info(
3028
ab2696e34d29 Python 3 port:
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parents: 2927
diff changeset
279 "Socks5 negociation successful, {who} candidate will be used: {candidate}".format(
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
280 who="our" if our_candidate else "other peer",
2624
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parents: 2562
diff changeset
281 candidate=choosed_candidate,
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parents: 2562
diff changeset
282 )
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
283 )
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parents: 2562
diff changeset
284 del transport_data["best_candidate"]
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
285 del transport_data["peer_best_candidate"]
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Goffi <goffi@goffi.org>
parents: 1567
diff changeset
286
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
287 if choosed_candidate.type == self._s5b.TYPE_PROXY:
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e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
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parents: 2483
diff changeset
288 # the stream transfer need to wait for proxy activation
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parents: 1567
diff changeset
289 # (see XEP-0260 § 2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
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290 if our_candidate:
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parents: 2562
diff changeset
291 d = self._s5b.connectCandidate(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
292 client, choosed_candidate, transport_data["session_hash"]
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parents: 2562
diff changeset
293 )
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parents: 2562
diff changeset
294 d.addCallback(
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
295 lambda __: choosed_candidate.activate(
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parents: 2562
diff changeset
296 transport_data["sid"], session["peer_jid"], client
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parents: 2562
diff changeset
297 )
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parents: 2562
diff changeset
298 )
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parents: 2483
diff changeset
299 args = [client, choosed_candidate, session, content_name]
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parents: 2562
diff changeset
300 d.addCallbacks(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
301 self._proxyActivatedCb, self._proxyActivatedEb, args, None, args
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
302 )
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Goffi <goffi@goffi.org>
parents: 1567
diff changeset
303 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
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diff changeset
304 # this Deferred will be called when we'll receive activation confirmation from other peer
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parents: 2562
diff changeset
305 d = transport_data["activation_d"] = defer.Deferred()
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Goffi <goffi@goffi.org>
parents: 1567
diff changeset
306 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
307 d = defer.succeed(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
308
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parents: 2562
diff changeset
309 if content_data["senders"] == session["role"]:
2489
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parents: 2483
diff changeset
310 # we can now start the stream transfer (or start it after proxy activation)
2624
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parents: 2562
diff changeset
311 d.addCallback(
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
312 lambda __: choosed_candidate.startTransfer(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
313 transport_data["session_hash"]
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
314 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
315 )
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
316 d.addErrback(self._startEb, session, content_name, client)
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
317
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
318 def _startEb(self, fail, session, content_name, client):
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
319 """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
320
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
321 Will try to fallback to IBB
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
322 """
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
323 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
324 reason = str(fail.value)
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
325 except AttributeError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
326 reason = str(fail)
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
327 log.warning("Cant start transfert, we'll try fallback method: {}".format(reason))
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
328 self.doFallback(session, content_name, client)
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
329
2624
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parents: 2562
diff changeset
330 def _candidateInfo(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
331 self, candidate_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
332 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
333 """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
334
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
335 @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
336 (see XEP-0260 §2.3)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
337 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
338 @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
339 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
340 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
341 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
342 if candidate_elt.name == "candidate-error":
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
343 # candidate-error, no candidate worked
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
344 transport_data["peer_best_candidate"] = None
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
345 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
346 # candidate-used, one candidate was choosed
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
347 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
348 cid = candidate_elt.attributes["cid"]
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
349 except KeyError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
350 log.warning("No cid found in <candidate-used>")
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
351 raise exceptions.DataError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
352 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
353 candidate = next((
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
354 c for c in transport_data["candidates"] if c.id == cid
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
355 ))
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
356 except StopIteration:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
357 log.warning("Given cid doesn't correspond to any known candidate !")
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
358 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
359 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
360 # 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
361 # but there is little probability
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
362 log.error(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
363 '"candidates" key doesn\'t exists in transport_data, it should at this point'
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
364 )
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
365 raise exceptions.InternalError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
366 # 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
367 transport_data["peer_best_candidate"] = candidate
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
368 log.info("Other peer best candidate: {}".format(candidate))
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
369
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
370 del transport_data["candidates"]
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
371 self._checkCandidates(session, content_name, transport_data, client)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
372
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
373 def _proxyActivationInfo(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
374 self, proxy_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
375 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
376 """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
377
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
378 @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
379 (see XEP-0260 §2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
380 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
381 @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
382 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
383 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
384 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
385 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
386 activation_d = transport_data.pop("activation_d")
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
387 except KeyError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
388 log.warning("Received unexpected transport-info for proxy activation")
1570
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Goffi <goffi@goffi.org>
parents: 1567
diff changeset
389
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
390 if proxy_elt.name == "activated":
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
391 activation_d.callback(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
392 else:
1756
061011fad5b1 plugin XEP-0260: better proxy error handling:
Goffi <goffi@goffi.org>
parents: 1755
diff changeset
393 activation_d.errback(ProxyError())
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
394
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
395 @defer.inlineCallbacks
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
396 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
397 content_data = session["contents"][content_name]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
398 transport_data = content_data["transport_data"]
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
399
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
400 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
401 pass
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
402
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
403 elif action == self._j.A_SESSION_ACCEPT:
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
404 # 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
405 assert "peer_candidates" not in transport_data
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
406 transport_data["peer_candidates"] = self._parseCandidates(transport_elt)
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
407
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
408 elif action == self._j.A_START:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
409 session_hash = transport_data["session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
410 peer_candidates = transport_data["peer_candidates"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
411 stream_object = content_data["stream_object"]
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
412 self._s5b.associateStreamObject(client, session_hash, stream_object)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
413 stream_d = transport_data.pop("stream_d")
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
414 stream_d.chainDeferred(content_data["finished_d"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
415 peer_session_hash = transport_data["peer_session_hash"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
416 d = self._s5b.getBestCandidate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
417 client, peer_candidates, session_hash, peer_session_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
418 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
419 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
420 self._foundPeerCandidate, session, transport_data, content_name, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
421 )
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
422
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
423 elif action == self._j.A_SESSION_INITIATE:
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
424 # 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
425 # and we give our candidates
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
426 assert "peer_candidates" not in transport_data
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
427 sid = transport_data["sid"] = transport_elt["sid"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
428 session_hash = transport_data["session_hash"] = self._s5b.getSessionHash(
2927
69e4716d6268 plugins (jingle) file transfer: use initial "from" attribute as local jid instead of client.jid:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
429 session["local_jid"], session["peer_jid"], sid
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
430 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
431 peer_session_hash = transport_data[
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
432 "peer_session_hash"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
433 ] = self._s5b.getSessionHash(
2927
69e4716d6268 plugins (jingle) file transfer: use initial "from" attribute as local jid instead of client.jid:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
434 session["peer_jid"], session["local_jid"], sid
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
435 ) # requester and target are inversed for peer candidates
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
436 peer_candidates = transport_data["peer_candidates"] = self._parseCandidates(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
437 transport_elt
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
438 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
439 stream_object = content_data["stream_object"]
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
440 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
441 stream_d.chainDeferred(content_data["finished_d"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
442 d = self._s5b.getBestCandidate(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
443 client, peer_candidates, session_hash, peer_session_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
444 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
445 d.addCallback(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
446 self._foundPeerCandidate, session, transport_data, content_name, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
447 )
2927
69e4716d6268 plugins (jingle) file transfer: use initial "from" attribute as local jid instead of client.jid:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
448 candidates = yield self._s5b.getCandidates(client, session["local_jid"])
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
449 # we remove duplicate candidates
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
450 candidates = [
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
451 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
452 ]
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
453
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
454 transport_data["candidates"] = candidates
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
455 # 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
456 transport_elt = self._buildCandidates(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
457 session, candidates, sid, session_hash, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
458 )
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
459
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
460 elif action == self._j.A_TRANSPORT_INFO:
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
461 # 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
462 candidate_elt = None
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
463
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
464 for method, names in (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
465 (self._candidateInfo, ("candidate-used", "candidate-error")),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
466 (self._proxyActivationInfo, ("activated", "proxy-error")),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
467 ):
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
468 for name in names:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
469 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
470 candidate_elt = next(transport_elt.elements(NS_JINGLE_S5B, name))
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
471 except StopIteration:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
472 continue
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
473 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
474 method(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
475 candidate_elt, session, content_name, transport_data, client
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
476 )
1570
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
477 break
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
478
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling:
Goffi <goffi@goffi.org>
parents: 1567
diff changeset
479 if candidate_elt is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
480 log.warning(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
481 "Unexpected transport element: {}".format(transport_elt.toXml())
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
482 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
483 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
484 # 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
485 # 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
486 self._s5b.killSession(None, transport_data["session_hash"], None, client)
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
487 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
488 log.warning("FIXME: unmanaged action {}".format(action))
1560
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
489
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
490 defer.returnValue(transport_elt)
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
491
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
492 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
493 if reason_elt.decline:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
494 log.debug("Session declined, deleting S5B session")
1755
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined
Goffi <goffi@goffi.org>
parents: 1631
diff changeset
495 # 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
496 content_data = session["contents"][content_name]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
497 transport_data = content_data["transport_data"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
498 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
499
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
500 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
501 """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
502
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
503 @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
504 """
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
505 if not feature_checked:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
506 log.warning(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
507 "Other peer can't manage jingle IBB, be have to terminate the session"
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
508 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
509 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
510 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
511 self._j.transportReplace(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
512 client, self._jingle_ibb.NAMESPACE, session, content_name
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
513 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
514
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
515 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
516 """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
517
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
518 @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
519 @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
520 @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
521 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
522 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
523 # 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
524 return
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
525 if self._jingle_ibb is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
526 log.warning(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
diff changeset
527 "Jingle IBB (XEP-0261) plugin is not available, we have to close the session"
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
528 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
529 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
530 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
531 d = self.host.hasFeature(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
532 client, self._jingle_ibb.NAMESPACE, session["peer_jid"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
533 )
1631
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
534 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
535 return d
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented
Goffi <goffi@goffi.org>
parents: 1571
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536
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dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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537
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2927
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538 @implementer(iwokkel.IDisco)
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dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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539 class XEP_0260_handler(XMPPHandler):
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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540
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
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541 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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542 return [disco.DiscoFeature(NS_JINGLE_S5B)]
dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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543
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
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544 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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dcce63810733 plugin XEP-0260: first draft
Goffi <goffi@goffi.org>
parents:
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545 return []