Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0166.py @ 2590:bd9d92bc0d6c
quick frontends (app): retrieve namespaces on startup
author | Goffi <goffi@goffi.org> |
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date | Tue, 22 May 2018 10:07:33 +0200 |
parents | 26edcf3a30eb |
children | 56f94936df1e |
rev | line source |
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1934
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use of /usr/bin/env instead of /usr/bin/python in shebang
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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-0166) |
2483 | 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 _, D_ |
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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 from sat.tools import xml_tools |
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24 log = getLogger(__name__) |
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25 from sat.core import exceptions |
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26 from twisted.words.protocols.jabber import jid |
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27 from twisted.internet import defer |
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28 from twisted.internet import reactor |
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29 from wokkel import disco, iwokkel |
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30 from twisted.words.protocols.jabber import error |
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31 from twisted.words.protocols.jabber import xmlstream |
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32 from twisted.python import failure |
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33 from collections import namedtuple |
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34 import uuid |
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35 import time |
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36 |
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37 from zope.interface import implements |
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38 |
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39 |
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40 |
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41 IQ_SET = '/iq[@type="set"]' |
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42 NS_JINGLE = "urn:xmpp:jingle:1" |
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43 NS_JINGLE_ERROR = "urn:xmpp:jingle:errors:1" |
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44 JINGLE_REQUEST = IQ_SET + '/jingle[@xmlns="' + NS_JINGLE + '"]' |
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45 STATE_PENDING = "PENDING" |
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46 STATE_ACTIVE = "ACTIVE" |
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47 STATE_ENDED = "ENDED" |
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48 CONFIRM_TXT = D_("{entity} want to start a jingle session with you, do you accept ?") |
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49 |
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50 PLUGIN_INFO = { |
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51 C.PI_NAME: "Jingle", |
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52 C.PI_IMPORT_NAME: "XEP-0166", |
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53 C.PI_TYPE: "XEP", |
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54 C.PI_MODES: C.PLUG_MODE_BOTH, |
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55 C.PI_PROTOCOLS: ["XEP-0166"], |
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56 C.PI_MAIN: "XEP_0166", |
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57 C.PI_HANDLER: "yes", |
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58 C.PI_DESCRIPTION: _("""Implementation of Jingle""") |
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59 } |
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60 |
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61 |
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62 ApplicationData = namedtuple('ApplicationData', ('namespace', 'handler')) |
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63 TransportData = namedtuple('TransportData', ('namespace', 'handler', 'priority')) |
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64 |
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65 |
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66 class XEP_0166(object): |
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67 ROLE_INITIATOR = "initiator" |
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68 ROLE_RESPONDER = "responder" |
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69 TRANSPORT_DATAGRAM='UDP' |
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70 TRANSPORT_STREAMING='TCP' |
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71 REASON_SUCCESS='success' |
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72 REASON_DECLINE='decline' |
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73 REASON_FAILED_APPLICATION='failed-application' |
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74 REASON_FAILED_TRANSPORT='failed-transport' |
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75 REASON_CONNECTIVITY_ERROR='connectivity-error' |
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76 A_SESSION_INITIATE = "session-initiate" |
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77 A_SESSION_ACCEPT = "session-accept" |
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78 A_SESSION_TERMINATE = "session-terminate" |
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79 A_SESSION_INFO = "session-info" |
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80 A_TRANSPORT_REPLACE = "transport-replace" |
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81 A_TRANSPORT_ACCEPT = "transport-accept" |
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82 A_TRANSPORT_REJECT = "transport-reject" |
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83 A_TRANSPORT_INFO = "transport-info" |
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84 # non standard actions |
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85 A_PREPARE_INITIATOR = "prepare-initiator" # initiator must prepare tranfer |
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86 A_PREPARE_RESPONDER = "prepare-responder" # responder must prepare tranfer |
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87 A_ACCEPTED_ACK = "accepted-ack" # session accepted ack has been received from initiator |
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88 A_START = "start" # application can start |
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89 A_DESTROY = "destroy" # called when a transport is destroyed (e.g. because it is remplaced). Used to do cleaning operations |
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90 |
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91 def __init__(self, host): |
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92 log.info(_("plugin Jingle initialization")) |
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93 self.host = host |
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94 self._applications = {} # key: namespace, value: application data |
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95 self._transports = {} # key: namespace, value: transport data |
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96 # we also keep transports by type, they are then sorted by priority |
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97 self._type_transports = { XEP_0166.TRANSPORT_DATAGRAM: [], |
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98 XEP_0166.TRANSPORT_STREAMING: [], |
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99 } |
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100 |
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101 def profileConnected(self, client): |
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102 client.jingle_sessions = {} # key = sid, value = session_data |
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103 |
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104 def getHandler(self, client): |
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105 return XEP_0166_handler(self) |
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106 |
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107 def _delSession(self, client, sid): |
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108 try: |
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109 del client.jingle_sessions[sid] |
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110 except KeyError: |
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111 log.debug(u"Jingle session id [{}] is unknown, nothing to delete".format(sid)) |
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112 else: |
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113 log.debug(u"Jingle session id [{}] deleted".format(sid)) |
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114 |
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115 ## helpers methods to build stanzas ## |
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116 |
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117 def _buildJingleElt(self, client, session, action): |
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118 iq_elt = client.IQ('set') |
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119 iq_elt['from'] = client.jid.full() |
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120 iq_elt['to'] = session['peer_jid'].full() |
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121 jingle_elt = iq_elt.addElement("jingle", NS_JINGLE) |
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122 jingle_elt["sid"] = session['id'] |
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123 jingle_elt['action'] = action |
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124 return iq_elt, jingle_elt |
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125 |
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126 def sendError(self, client, error_condition, sid, request, jingle_condition=None): |
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127 """Send error stanza |
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128 |
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129 @param error_condition: one of twisted.words.protocols.jabber.error.STANZA_CONDITIONS keys |
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130 @param sid(unicode,None): jingle session id, or None, if session must not be destroyed |
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131 @param request(domish.Element): original request |
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132 @param jingle_condition(None, unicode): if not None, additional jingle-specific error information |
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133 """ |
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134 iq_elt = error.StanzaError(error_condition).toResponse(request) |
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135 if jingle_condition is not None: |
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136 iq_elt.error.addElement((NS_JINGLE_ERROR, jingle_condition)) |
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137 if error.STANZA_CONDITIONS[error_condition]['type'] == 'cancel' and sid: |
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138 self._delSession(client, sid) |
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139 log.warning(u"Error while managing jingle session, cancelling: {condition}".format(error_condition)) |
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140 client.send(iq_elt) |
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141 |
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142 def _terminateEb(self, failure_): |
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143 log.warning(_(u"Error while terminating session: {msg}").format(msg=failure_)) |
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144 |
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145 def terminate(self, client, reason, session): |
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146 """Terminate the session |
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147 |
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148 send the session-terminate action, and delete the session data |
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149 @param reason(unicode, list[domish.Element]): if unicode, will be transformed to an element |
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150 if a list of element, add them as children of the <reason/> element |
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151 @param session(dict): data of the session |
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152 """ |
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153 iq_elt, jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_SESSION_TERMINATE) |
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154 reason_elt = jingle_elt.addElement('reason') |
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155 if isinstance(reason, basestring): |
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156 reason_elt.addElement(reason) |
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157 else: |
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158 for elt in reason: |
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159 reason_elt.addChild(elt) |
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160 self._delSession(client, session['id']) |
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161 d = iq_elt.send() |
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162 d.addErrback(self._terminateEb) |
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163 return d |
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164 |
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165 ## errors which doesn't imply a stanza sending ## |
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166 |
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167 def _iqError(self, failure_, sid, client): |
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168 """Called when we got an <iq/> error |
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169 |
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170 @param failure_(failure.Failure): the exceptions raised |
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171 @param sid(unicode): jingle session id |
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172 """ |
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173 log.warning(u"Error while sending jingle <iq/> stanza: {failure_}".format(failure_=failure_.value)) |
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174 self._delSession(client, sid) |
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175 |
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176 def _jingleErrorCb(self, fail, sid, request, client): |
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177 """Called when something is going wrong while parsing jingle request |
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178 |
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179 The error condition depend of the exceptions raised: |
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180 exceptions.DataError raise a bad-request condition |
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181 @param fail(failure.Failure): the exceptions raised |
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182 @param sid(unicode): jingle session id |
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183 @param request(domsih.Element): jingle request |
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184 @param client: %(doc_client)s |
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185 """ |
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186 log.warning("Error while processing jingle request") |
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187 if isinstance(fail, exceptions.DataError): |
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188 self.sendError(client, 'bad-request', sid, request) |
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189 else: |
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190 log.error("Unmanaged jingle exception") |
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191 self._delSession(client, sid) |
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192 raise fail |
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193 |
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194 ## methods used by other plugins ## |
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195 |
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196 def registerApplication(self, namespace, handler): |
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197 """Register an application plugin |
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198 |
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199 @param namespace(unicode): application namespace managed by the plugin |
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200 @param handler(object): instance of a class which manage the application. |
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201 May have the following methods: |
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202 - requestConfirmation(session, desc_elt, client): |
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203 - if present, it is called on when session must be accepted. |
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204 - if it return True the session is accepted, else rejected. |
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205 A Deferred can be returned |
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206 - if not present, a generic accept dialog will be used |
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207 - jingleSessionInit(client, self, session, content_name[, *args, **kwargs]): must return the domish.Element used for initial content |
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208 - jingleHandler(client, self, action, session, content_name, transport_elt): |
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209 called on several action to negociate the application or transport |
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210 - jingleTerminate: called on session terminate, with reason_elt |
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211 May be used to clean session |
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212 """ |
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213 if namespace in self._applications: |
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214 raise exceptions.ConflictError(u"Trying to register already registered namespace {}".format(namespace)) |
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215 self._applications[namespace] = ApplicationData(namespace=namespace, handler=handler) |
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216 log.debug(u"new jingle application registered") |
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217 |
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218 def registerTransport(self, namespace, transport_type, handler, priority=0): |
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219 """Register a transport plugin |
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220 |
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221 @param namespace(unicode): the XML namespace used for this transport |
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222 @param transport_type(unicode): type of transport to use (see XEP-0166 §8) |
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223 @param handler(object): instance of a class which manage the application. |
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224 Must have the following methods: |
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225 - jingleSessionInit(client, self, session, content_name[, *args, **kwargs]): must return the domish.Element used for initial content |
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226 - jingleHandler(client, self, action, session, content_name, transport_elt): |
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227 called on several action to negociate the application or transport |
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228 @param priority(int): priority of this transport |
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229 """ |
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230 assert transport_type in (XEP_0166.TRANSPORT_DATAGRAM, XEP_0166.TRANSPORT_STREAMING) |
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231 if namespace in self._transports: |
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232 raise exceptions.ConflictError(u"Trying to register already registered namespace {}".format(namespace)) |
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233 transport_data = TransportData(namespace=namespace, handler=handler, priority=priority) |
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234 self._type_transports[transport_type].append(transport_data) |
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235 self._type_transports[transport_type].sort(key=lambda transport_data: transport_data.priority, reverse=True) |
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236 self._transports[namespace] = transport_data |
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237 log.debug(u"new jingle transport registered") |
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238 |
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239 @defer.inlineCallbacks |
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240 def transportReplace(self, client, transport_ns, session, content_name): |
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241 """Replace a transport |
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242 |
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243 @param transport_ns(unicode): namespace of the new transport to use |
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244 @param session(dict): jingle session data |
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245 @param content_name(unicode): name of the content |
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246 """ |
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247 # XXX: for now we replace the transport before receiving confirmation from other peer |
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248 # this is acceptable because we terminate the session if transport is rejected. |
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249 # this behavious may change in the future. |
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250 content_data= session['contents'][content_name] |
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251 transport_data = content_data['transport_data'] |
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252 try: |
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253 transport = self._transports[transport_ns] |
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254 except KeyError: |
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255 raise exceptions.InternalError(u"Unkown transport") |
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256 yield content_data['transport'].handler.jingleHandler(client, XEP_0166.A_DESTROY, session, content_name, None) |
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257 content_data['transport'] = transport |
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258 transport_data.clear() |
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259 |
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260 iq_elt, jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_TRANSPORT_REPLACE) |
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261 content_elt = jingle_elt.addElement('content') |
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262 content_elt['name'] = content_name |
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263 content_elt['creator'] = content_data['creator'] |
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264 |
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265 transport_elt = transport.handler.jingleSessionInit(client, session, content_name) |
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266 content_elt.addChild(transport_elt) |
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267 iq_elt.send() |
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268 |
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269 def buildAction(self, client, action, session, content_name): |
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270 """Build an element according to requested action |
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271 |
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272 @param action(unicode): a jingle action (see XEP-0166 §7.2), |
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273 session-* actions are not managed here |
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274 transport-replace is managed in the dedicated [transportReplace] method |
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275 @param session(dict): jingle session data |
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276 @param content_name(unicode): name of the content |
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277 @return (tuple[domish.Element, domish.Element]): parent <iq> element, <transport> or <description> element, according to action |
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278 """ |
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279 # we first build iq, jingle and content element which are the same in every cases |
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280 iq_elt, jingle_elt = self._buildJingleElt(client, session, action) |
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281 # FIXME: XEP-0260 § 2.3 Ex 5 has an initiator attribute, but it should not according to XEP-0166 §7.1 table 1, must be checked |
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282 content_data= session['contents'][content_name] |
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283 content_elt = jingle_elt.addElement('content') |
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284 content_elt['name'] = content_name |
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285 content_elt['creator'] = content_data['creator'] |
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286 |
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287 if action == XEP_0166.A_TRANSPORT_INFO: |
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288 context_elt = transport_elt = content_elt.addElement('transport', content_data['transport'].namespace) |
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289 transport_elt['sid'] = content_data['transport_data']['sid'] |
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290 else: |
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291 raise exceptions.InternalError(u"unmanaged action {}".format(action)) |
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292 |
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293 return iq_elt, context_elt |
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294 |
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295 def buildSessionInfo(self, client, session): |
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296 """Build a session-info action |
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297 |
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298 @param session(dict): jingle session data |
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299 @return (tuple[domish.Element, domish.Element]): parent <iq> element, <jingle> element |
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300 """ |
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301 return self._buildJingleElt(client, session, XEP_0166.A_SESSION_INFO) |
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302 |
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303 @defer.inlineCallbacks |
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304 def initiate(self, client, peer_jid, contents): |
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305 """Send a session initiation request |
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306 |
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307 @param peer_jid(jid.JID): jid to establith session with |
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308 @param contents(list[dict]): list of contents to use: |
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309 The dict must have the following keys: |
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310 - app_ns(unicode): namespace of the application |
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311 the following keys are optional: |
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312 - transport_type(unicode): type of transport to use (see XEP-0166 §8) |
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313 default to TRANSPORT_STREAMING |
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314 - name(unicode): name of the content |
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315 - senders(unicode): One of XEP_0166.ROLE_INITIATOR, XEP_0166.ROLE_RESPONDER, both or none |
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316 default to BOTH (see XEP-0166 §7.3) |
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317 - app_args(list): args to pass to the application plugin |
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318 - app_kwargs(dict): keyword args to pass to the application plugin |
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319 @return D(unicode): jingle session id |
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320 """ |
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321 assert contents # there must be at least one content |
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322 if peer_jid == client.jid: |
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323 raise ValueError(_(u"You can't do a jingle session with yourself")) |
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324 initiator = client.jid |
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325 sid = unicode(uuid.uuid4()) |
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326 # TODO: session cleaning after timeout ? |
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327 session = client.jingle_sessions[sid] = {'id': sid, |
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328 'state': STATE_PENDING, |
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329 'initiator': initiator, |
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330 'role': XEP_0166.ROLE_INITIATOR, |
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331 'peer_jid': peer_jid, |
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332 'started': time.time(), |
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333 'contents': {} |
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334 } |
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335 iq_elt, jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_SESSION_INITIATE) |
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336 jingle_elt["initiator"] = initiator.full() |
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337 |
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338 contents_dict = session['contents'] |
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339 |
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340 for content in contents: |
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341 # we get the application plugin |
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342 app_ns = content['app_ns'] |
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343 try: |
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344 application = self._applications[app_ns] |
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345 except KeyError: |
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346 raise exceptions.InternalError(u"No application registered for {}".format(app_ns)) |
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347 |
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348 # and the transport plugin |
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349 transport_type = content.get('transport_type', XEP_0166.TRANSPORT_STREAMING) |
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350 try: |
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351 transport = self._type_transports[transport_type][0] |
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352 except IndexError: |
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353 raise exceptions.InternalError(u"No transport registered for {}".format(transport_type)) |
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354 |
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355 # we build the session data |
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356 content_data = {'application': application, |
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357 'application_data': {}, |
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358 'transport': transport, |
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359 'transport_data': {}, |
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360 'creator': XEP_0166.ROLE_INITIATOR, |
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361 'senders': content.get('senders', 'both'), |
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362 } |
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363 try: |
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364 content_name = content['name'] |
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365 except KeyError: |
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366 content_name = unicode(uuid.uuid4()) |
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367 else: |
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368 if content_name in contents_dict: |
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369 raise exceptions.InternalError('There is already a content with this name') |
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370 contents_dict[content_name] = content_data |
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371 |
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372 # we construct the content element |
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373 content_elt = jingle_elt.addElement('content') |
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374 content_elt['creator'] = content_data['creator'] |
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375 content_elt['name'] = content_name |
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376 try: |
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377 content_elt['senders'] = content['senders'] |
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378 except KeyError: |
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379 pass |
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380 |
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381 # then the description element |
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382 app_args = content.get('app_args', []) |
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383 app_kwargs = content.get('app_kwargs', {}) |
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384 desc_elt = yield application.handler.jingleSessionInit(client, session, content_name, *app_args, **app_kwargs) |
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385 content_elt.addChild(desc_elt) |
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386 |
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387 # and the transport one |
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388 transport_elt = yield transport.handler.jingleSessionInit(client, session, content_name) |
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389 content_elt.addChild(transport_elt) |
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390 |
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391 try: |
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392 yield iq_elt.send() |
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393 except Exception as e: |
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394 failure_ = failure.Failure(e) |
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395 self._iqError(failure_, sid, client) |
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396 raise failure_ |
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397 |
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398 def delayedContentTerminate(self, *args, **kwargs): |
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399 """Put contentTerminate in queue but don't execute immediately |
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400 |
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401 This is used to terminate a content inside a handler, to avoid modifying contents |
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402 """ |
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403 reactor.callLater(0, self.contentTerminate, *args, **kwargs) |
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404 |
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405 def contentTerminate(self, client, session, content_name, reason=REASON_SUCCESS): |
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406 """Terminate and remove a content |
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407 |
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408 if there is no more content, then session is terminated |
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409 @param session(dict): jingle session |
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410 @param content_name(unicode): name of the content terminated |
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411 @param reason(unicode): reason of the termination |
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412 """ |
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413 contents = session['contents'] |
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414 del contents[content_name] |
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415 if not contents: |
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416 self.terminate(client, reason, session) |
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417 |
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418 ## defaults methods called when plugin doesn't have them ## |
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419 |
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420 def jingleRequestConfirmationDefault(self, client, action, session, content_name, desc_elt): |
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421 """This method request confirmation for a jingle session""" |
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422 log.debug(u"Using generic jingle confirmation method") |
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423 return xml_tools.deferConfirm(self.host, _(CONFIRM_TXT).format(entity=session['peer_jid'].full()), _('Confirm Jingle session'), profile=client.profile) |
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424 |
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425 ## jingle events ## |
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426 |
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427 def _onJingleRequest(self, request, client): |
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428 """Called when any jingle request is received |
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429 |
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430 The request will then be dispatched to appropriate method |
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431 according to current state |
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432 @param request(domish.Element): received IQ request |
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433 """ |
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434 request.handled = True |
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435 jingle_elt = request.elements(NS_JINGLE, 'jingle').next() |
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436 |
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437 # first we need the session id |
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438 try: |
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439 sid = jingle_elt['sid'] |
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440 if not sid: |
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441 raise KeyError |
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442 except KeyError: |
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443 log.warning(u"Received jingle request has no sid attribute") |
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444 self.sendError(client, 'bad-request', None, request) |
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445 return |
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446 |
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447 # then the action |
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448 try: |
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449 action = jingle_elt['action'] |
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450 if not action: |
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451 raise KeyError |
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452 except KeyError: |
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453 log.warning(u"Received jingle request has no action") |
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454 self.sendError(client, 'bad-request', None, request) |
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455 return |
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456 |
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457 peer_jid = jid.JID(request['from']) |
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458 |
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459 # we get or create the session |
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460 try: |
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461 session = client.jingle_sessions[sid] |
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462 except KeyError: |
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463 if action == XEP_0166.A_SESSION_INITIATE: |
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464 pass |
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465 elif action == XEP_0166.A_SESSION_TERMINATE: |
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466 log.debug(u"ignoring session terminate action (inexisting session id): {request_id} [{profile}]".format( |
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467 request_id=sid, |
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468 profile = client.profile)) |
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469 return |
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470 else: |
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471 log.warning(u"Received request for an unknown session id: {request_id} [{profile}]".format( |
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472 request_id=sid, |
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473 profile = client.profile)) |
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474 self.sendError(client, 'item-not-found', None, request, 'unknown-session') |
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475 return |
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476 |
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477 session = client.jingle_sessions[sid] = {'id': sid, |
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478 'state': STATE_PENDING, |
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479 'initiator': peer_jid, |
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480 'role': XEP_0166.ROLE_RESPONDER, |
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481 'peer_jid': peer_jid, |
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482 'started': time.time(), |
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483 } |
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484 else: |
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485 if session['peer_jid'] != peer_jid: |
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486 log.warning(u"sid conflict ({}), the jid doesn't match. Can be a collision, a hack attempt, or a bad sid generation".format(sid)) |
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487 self.sendError(client, 'service-unavailable', sid, request) |
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488 return |
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489 if session['id'] != sid: |
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490 log.error(u"session id doesn't match") |
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491 self.sendError(client, 'service-unavailable', sid, request) |
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492 raise exceptions.InternalError |
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493 |
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494 if action == XEP_0166.A_SESSION_INITIATE: |
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495 self.onSessionInitiate(client, request, jingle_elt, session) |
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496 elif action == XEP_0166.A_SESSION_TERMINATE: |
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497 self.onSessionTerminate(client, request, jingle_elt, session) |
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498 elif action == XEP_0166.A_SESSION_ACCEPT: |
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499 self.onSessionAccept(client, request, jingle_elt, session) |
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500 elif action == XEP_0166.A_SESSION_INFO: |
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501 self.onSessionInfo(client, request, jingle_elt, session) |
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502 elif action == XEP_0166.A_TRANSPORT_INFO: |
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503 self.onTransportInfo(client, request, jingle_elt, session) |
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504 elif action == XEP_0166.A_TRANSPORT_REPLACE: |
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505 self.onTransportReplace(client, request, jingle_elt, session) |
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506 elif action == XEP_0166.A_TRANSPORT_ACCEPT: |
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507 self.onTransportAccept(client, request, jingle_elt, session) |
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508 elif action == XEP_0166.A_TRANSPORT_REJECT: |
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509 self.onTransportReject(client, request, jingle_elt, session) |
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510 else: |
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511 raise exceptions.InternalError(u"Unknown action {}".format(action)) |
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512 |
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513 ## Actions callbacks ## |
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514 |
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515 def _parseElements(self, jingle_elt, session, request, client, new=False, creator=ROLE_INITIATOR, with_application=True, with_transport=True): |
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516 """Parse contents elements and fill contents_dict accordingly |
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517 |
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518 after the parsing, contents_dict will containt handlers, "desc_elt" and "transport_elt" |
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519 @param jingle_elt(domish.Element): parent <jingle> element, containing one or more <content> |
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520 @param session(dict): session data |
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521 @param request(domish.Element): the whole request |
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522 @param client: %(doc_client)s |
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523 @param new(bool): True if the content is new and must be created, |
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524 else the content must exists, and session data will be filled |
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525 @param creator(unicode): only used if new is True: creating pear (see § 7.3) |
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526 @param with_application(bool): if True, raise an error if there is no <description> element else ignore it |
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527 @param with_transport(bool): if True, raise an error if there is no <transport> element else ignore it |
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528 @raise exceptions.CancelError: the error is treated and the calling method can cancel the treatment (i.e. return) |
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529 """ |
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530 contents_dict = session['contents'] |
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531 content_elts = jingle_elt.elements(NS_JINGLE, 'content') |
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532 |
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|
533 for content_elt in content_elts: |
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534 name = content_elt['name'] |
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|
535 |
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|
536 if new: |
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537 # the content must not exist, we check it |
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538 if not name or name in contents_dict: |
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539 self.sendError(client, 'bad-request', session['id'], request) |
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540 raise exceptions.CancelError |
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541 content_data = contents_dict[name] = {'creator': creator, |
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542 'senders': content_elt.attributes.get('senders', 'both'), |
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543 } |
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544 else: |
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545 # the content must exist, we check it |
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546 try: |
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547 content_data = contents_dict[name] |
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548 except KeyError: |
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549 log.warning(u"Other peer try to access an unknown content") |
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550 self.sendError(client, 'bad-request', session['id'], request) |
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551 raise exceptions.CancelError |
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|
552 |
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553 # application |
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554 if with_application: |
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555 desc_elt = content_elt.description |
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556 if not desc_elt: |
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557 self.sendError(client, 'bad-request', session['id'], request) |
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558 raise exceptions.CancelError |
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559 |
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560 if new: |
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561 # the content is new, we need to check and link the application |
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562 app_ns = desc_elt.uri |
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563 if not app_ns or app_ns == NS_JINGLE: |
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564 self.sendError(client, 'bad-request', session['id'], request) |
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565 raise exceptions.CancelError |
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566 |
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567 try: |
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568 application = self._applications[app_ns] |
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569 except KeyError: |
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570 log.warning(u"Unmanaged application namespace [{}]".format(app_ns)) |
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571 self.sendError(client, 'service-unavailable', session['id'], request) |
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572 raise exceptions.CancelError |
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573 |
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574 content_data['application'] = application |
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575 content_data['application_data'] = {} |
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576 else: |
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577 # the content exists, we check that we have not a former desc_elt |
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|
578 if 'desc_elt' in content_data: |
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|
579 raise exceptions.InternalError(u"desc_elt should not exist at this point") |
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|
580 |
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|
581 content_data['desc_elt'] = desc_elt |
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582 |
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|
583 # transport |
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584 if with_transport: |
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|
585 transport_elt = content_elt.transport |
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|
586 if not transport_elt: |
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587 self.sendError(client, 'bad-request', session['id'], request) |
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|
588 raise exceptions.CancelError |
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|
589 |
1556
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|
590 if new: |
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|
591 # the content is new, we need to check and link the transport |
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|
592 transport_ns = transport_elt.uri |
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|
593 if not app_ns or app_ns == NS_JINGLE: |
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594 self.sendError(client, 'bad-request', session['id'], request) |
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|
595 raise exceptions.CancelError |
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|
596 |
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|
597 try: |
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|
598 transport = self._transports[transport_ns] |
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599 except KeyError: |
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|
600 raise exceptions.InternalError(u"No transport registered for namespace {}".format(transport_ns)) |
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|
601 content_data['transport'] = transport |
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|
602 content_data['transport_data'] = {} |
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603 else: |
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|
604 # the content exists, we check that we have not a former transport_elt |
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|
605 if 'transport_elt' in content_data: |
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|
606 raise exceptions.InternalError(u"transport_elt should not exist at this point") |
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|
607 |
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|
608 content_data['transport_elt'] = transport_elt |
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609 |
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|
610 def _ignore(self, client, action, session, content_name, elt): |
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|
611 """Dummy method used when not exception must be raised if a method is not implemented in _callPlugins |
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|
612 |
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|
613 must be used as app_default_cb and/or transp_default_cb |
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|
614 """ |
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|
615 return elt |
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616 |
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617 def _callPlugins(self, client, action, session, app_method_name='jingleHandler', |
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|
618 transp_method_name='jingleHandler', |
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|
619 app_default_cb=None, transp_default_cb=None, delete=True, |
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620 elements=True, force_element=None): |
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|
621 """Call application and transport plugin methods for all contents |
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|
622 |
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|
623 @param action(unicode): jingle action name |
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|
624 @param session(dict): jingle session data |
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|
625 @param app_method_name(unicode, None): name of the method to call for applications |
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|
626 None to ignore |
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|
627 @param transp_method_name(unicode, None): name of the method to call for transports |
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|
628 None to ignore |
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|
629 @param app_default_cb(callable, None): default callback to use if plugin has not app_method_name |
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|
630 None to raise an exception instead |
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631 @param transp_default_cb(callable, None): default callback to use if plugin has not transp_method_name |
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632 None to raise an exception instead |
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633 @param delete(bool): if True, remove desc_elt and transport_elt from session |
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634 ignored if elements is False |
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635 @param elements(bool): True if elements(desc_elt and tranport_elt) must be managed |
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636 must be True if _callPlugins is used in a request, and False if it used after a request |
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637 (i.e. on <iq> result or error) |
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638 @param force_element(None, domish.Element, object): if elements is False, it is used as element parameter |
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639 else it is ignored |
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640 @return (list[defer.Deferred]): list of launched Deferred |
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641 @raise exceptions.NotFound: method is not implemented |
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642 """ |
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643 contents_dict = session['contents'] |
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644 defers_list = [] |
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645 for content_name, content_data in contents_dict.iteritems(): |
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646 for method_name, handler_key, default_cb, elt_name in ( |
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647 (app_method_name, 'application', app_default_cb, 'desc_elt'), |
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648 (transp_method_name, 'transport', transp_default_cb, 'transport_elt')): |
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649 if method_name is None: |
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650 continue |
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651 |
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652 handler = content_data[handler_key].handler |
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653 try: |
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654 method = getattr(handler, method_name) |
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655 except AttributeError: |
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656 if default_cb is None: |
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657 raise exceptions.NotFound(u'{} not implemented !'.format(method_name)) |
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658 else: |
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659 method = default_cb |
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660 if elements: |
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661 elt = content_data.pop(elt_name) if delete else content_data[elt_name] |
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662 else: |
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663 elt = force_element |
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664 d = defer.maybeDeferred(method, client, action, session, content_name, elt) |
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665 defers_list.append(d) |
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666 |
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667 return defers_list |
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668 |
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669 def onSessionInitiate(self, client, request, jingle_elt, session): |
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670 """Called on session-initiate action |
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671 |
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672 The "jingleRequestConfirmation" method of each application will be called |
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673 (or self.jingleRequestConfirmationDefault if the former doesn't exist). |
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674 The session is only accepted if all application are confirmed. |
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675 The application must manage itself multiple contents scenari (e.g. audio/video). |
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676 @param client: %(doc_client)s |
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677 @param request(domish.Element): full request |
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678 @param jingle_elt(domish.Element): <jingle> element |
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679 @param session(dict): session data |
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680 """ |
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681 if 'contents' in session: |
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682 raise exceptions.InternalError("Contents dict should not already exist at this point") |
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683 session['contents'] = contents_dict = {} |
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684 |
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685 try: |
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686 self._parseElements(jingle_elt, session, request, client, True, XEP_0166.ROLE_INITIATOR) |
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687 except exceptions.CancelError: |
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688 return |
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689 |
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690 if not contents_dict: |
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691 # there MUST be at least one content |
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692 self.sendError(client, 'bad-request', session['id'], request) |
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693 return |
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694 |
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695 # at this point we can send the <iq/> result to confirm reception of the request |
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696 client.send(xmlstream.toResponse(request, 'result')) |
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697 |
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698 # we now request each application plugin confirmation |
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699 # and if all are accepted, we can accept the session |
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700 confirm_defers = self._callPlugins(client, XEP_0166.A_SESSION_INITIATE, session, 'jingleRequestConfirmation', None, self.jingleRequestConfirmationDefault, delete=False) |
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701 |
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702 confirm_dlist = defer.gatherResults(confirm_defers) |
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703 confirm_dlist.addCallback(self._confirmationCb, session, jingle_elt, client) |
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704 confirm_dlist.addErrback(self._jingleErrorCb, session['id'], request, client) |
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705 |
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706 def _confirmationCb(self, confirm_results, session, jingle_elt, client): |
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707 """Method called when confirmation from user has been received |
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708 |
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709 This method is only called for the responder |
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710 @param confirm_results(list[bool]): all True if session is accepted |
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711 @param session(dict): session data |
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712 @param jingle_elt(domish.Element): jingle data of this session |
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713 @param client: %(doc_client)s |
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714 """ |
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715 confirmed = all(confirm_results) |
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716 if not confirmed: |
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717 return self.terminate(client, XEP_0166.REASON_DECLINE, session) |
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718 |
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719 iq_elt, jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_SESSION_ACCEPT) |
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720 jingle_elt['responder'] = client.jid.full() |
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721 |
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722 # contents |
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723 |
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724 def addElement(domish_elt, content_elt): |
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725 content_elt.addChild(domish_elt) |
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726 |
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727 defers_list = [] |
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728 |
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729 for content_name, content_data in session['contents'].iteritems(): |
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730 content_elt = jingle_elt.addElement('content') |
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731 content_elt['creator'] = XEP_0166.ROLE_INITIATOR |
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732 content_elt['name'] = content_name |
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733 |
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734 application = content_data['application'] |
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735 app_session_accept_cb = application.handler.jingleHandler |
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736 |
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737 app_d = defer.maybeDeferred(app_session_accept_cb, client, |
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738 XEP_0166.A_SESSION_INITIATE, session, content_name, content_data.pop('desc_elt')) |
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|
739 app_d.addCallback(addElement, content_elt) |
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|
740 defers_list.append(app_d) |
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|
741 |
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742 transport = content_data['transport'] |
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743 transport_session_accept_cb = transport.handler.jingleHandler |
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744 |
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745 transport_d = defer.maybeDeferred(transport_session_accept_cb, client, |
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746 XEP_0166.A_SESSION_INITIATE, session, content_name, content_data.pop('transport_elt')) |
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|
747 transport_d.addCallback(addElement, content_elt) |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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|
748 defers_list.append(transport_d) |
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|
749 |
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|
750 d_list = defer.DeferredList(defers_list) |
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751 d_list.addCallback(lambda dummy: self._callPlugins(client, XEP_0166.A_PREPARE_RESPONDER, session, app_method_name=None, elements=False)) |
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752 d_list.addCallback(lambda dummy: iq_elt.send()) |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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753 def changeState(dummy, session): |
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754 session['state'] = STATE_ACTIVE |
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|
755 |
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|
756 d_list.addCallback(changeState, session) |
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757 d_list.addCallback(lambda dummy: self._callPlugins(client, XEP_0166.A_ACCEPTED_ACK, session, elements=False)) |
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758 d_list.addErrback(self._iqError, session['id'], client) |
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|
759 return d_list |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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|
760 |
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|
761 def onSessionTerminate(self, client, request, jingle_elt, session): |
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|
762 # TODO: check reason, display a message to user if needed |
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|
763 log.debug("Jingle Session {} terminated".format(session['id'])) |
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|
764 try: |
f4e9f2f7fe0f
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|
765 reason_elt = jingle_elt.elements(NS_JINGLE, 'reason').next() |
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|
766 except StopIteration: |
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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|
767 log.warning(u"No reason given for session termination") |
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|
768 reason_elt = jingle_elt.addElement('reason') |
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|
769 |
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770 terminate_defers = self._callPlugins(client, XEP_0166.A_SESSION_TERMINATE, session, 'jingleTerminate', 'jingleTerminate', self._ignore, self._ignore, elements=False, force_element=reason_elt) |
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771 terminate_dlist = defer.DeferredList(terminate_defers) |
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|
772 |
f4e9f2f7fe0f
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|
773 terminate_dlist.addCallback(lambda dummy: self._delSession(client, session['id'])) |
2129
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|
774 client.send(xmlstream.toResponse(request, 'result')) |
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|
775 |
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|
776 def onSessionAccept(self, client, request, jingle_elt, session): |
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|
777 """Method called once session is accepted |
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|
778 |
0209f8d35873
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|
779 This method is only called for initiator |
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|
780 @param client: %(doc_client)s |
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|
781 @param request(domish.Element): full <iq> request |
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|
782 @param jingle_elt(domish.Element): the <jingle> element |
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|
783 @param session(dict): session data |
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|
784 """ |
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diff
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|
785 log.debug(u"Jingle session {} has been accepted".format(session['id'])) |
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parents:
diff
changeset
|
786 |
0209f8d35873
plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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parents:
diff
changeset
|
787 try: |
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diff
changeset
|
788 self._parseElements(jingle_elt, session, request, client) |
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diff
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|
789 except exceptions.CancelError: |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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changeset
|
790 return |
0209f8d35873
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diff
changeset
|
791 |
0209f8d35873
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changeset
|
792 # at this point we can send the <iq/> result to confirm reception of the request |
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|
793 client.send(xmlstream.toResponse(request, 'result')) |
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|
794 # and change the state |
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changeset
|
795 session['state'] = STATE_ACTIVE |
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diff
changeset
|
796 |
0209f8d35873
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|
797 negociate_defers = [] |
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798 negociate_defers = self._callPlugins(client, XEP_0166.A_SESSION_ACCEPT, session) |
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changeset
|
799 |
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|
800 negociate_dlist = defer.DeferredList(negociate_defers) |
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|
801 |
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changeset
|
802 # after negociations we start the transfer |
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803 negociate_dlist.addCallback(lambda dummy: self._callPlugins(client, XEP_0166.A_START, session, app_method_name=None, elements=False)) |
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|
804 |
1616
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|
805 def _onSessionCb(self, result, client, request, jingle_elt, session): |
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|
806 client.send(xmlstream.toResponse(request, 'result')) |
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changeset
|
807 |
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|
808 def _onSessionEb(self, failure_, client, request, jingle_elt, session): |
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|
809 log.error(u"Error while handling onSessionInfo: {}".format(failure_.value)) |
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810 # XXX: only error managed so far, maybe some applications/transports need more |
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811 self.sendError(client, 'feature-not-implemented', None, request, 'unsupported-info') |
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|
812 |
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813 def onSessionInfo(self, client, request, jingle_elt, session): |
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814 """Method called when a session-info action is received from other peer |
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|
815 |
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|
816 This method is only called for initiator |
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|
817 @param client: %(doc_client)s |
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818 @param request(domish.Element): full <iq> request |
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819 @param jingle_elt(domish.Element): the <jingle> element |
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820 @param session(dict): session data |
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821 """ |
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|
822 if not jingle_elt.children: |
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823 # this is a session ping, see XEP-0166 §6.8 |
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|
824 client.send(xmlstream.toResponse(request, 'result')) |
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|
825 return |
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|
826 |
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|
827 try: |
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828 # XXX: session-info is most likely only used for application, so we don't call transport plugins |
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|
829 # if a future transport use it, this behaviour must be adapted |
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830 defers = self._callPlugins(client, XEP_0166.A_SESSION_INFO, session, 'jingleSessionInfo', None, |
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|
831 elements=False, force_element=jingle_elt) |
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832 except exceptions.NotFound as e: |
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|
833 self._onSessionEb(failure.Failure(e), client, request, jingle_elt, session) |
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|
834 return |
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|
835 |
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changeset
|
836 dlist = defer.DeferredList(defers, fireOnOneErrback=True) |
1e05b776a55b
plugin XEP-0166: session-info action handling
Goffi <goffi@goffi.org>
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diff
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837 dlist.addCallback(self._onSessionCb, client, request, jingle_elt, session) |
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parents:
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diff
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838 dlist.addErrback(self._onSessionCb, client, request, jingle_elt, session) |
1e05b776a55b
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parents:
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diff
changeset
|
839 |
1630
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840 @defer.inlineCallbacks |
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841 def onTransportReplace(self, client, request, jingle_elt, session): |
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diff
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842 """A transport change is requested |
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843 |
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diff
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844 The request is parsed, and jingleHandler is called on concerned transport plugin(s) |
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diff
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845 @param client: %(doc_client)s |
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diff
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846 @param request(domish.Element): full <iq> request |
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parents:
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diff
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847 @param jingle_elt(domish.Element): the <jingle> element |
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diff
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|
848 @param session(dict): session data |
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diff
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849 """ |
1754
f4e9f2f7fe0f
plugin XEP-0166: jingleTerminate is called (if present) on applications and transports plugins on session-terminate action, can be used to do some cleaning
Goffi <goffi@goffi.org>
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diff
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|
850 log.debug(u"Other peer wants to replace the transport") |
1630
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diff
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|
851 try: |
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diff
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852 self._parseElements(jingle_elt, session, request, client, with_application=False) |
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853 except exceptions.CancelError: |
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|
854 defer.returnValue(None) |
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diff
changeset
|
855 |
2129
6a66c8c5a567
core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
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parents:
1934
diff
changeset
|
856 client.send(xmlstream.toResponse(request, 'result')) |
1630
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857 |
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858 content_name = None |
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859 to_replace = [] |
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|
860 |
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parents:
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861 for content_name, content_data in session['contents'].iteritems(): |
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diff
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|
862 try: |
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863 transport_elt = content_data.pop('transport_elt') |
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diff
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|
864 except KeyError: |
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|
865 continue |
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|
866 transport_ns = transport_elt.uri |
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|
867 try: |
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diff
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|
868 transport = self._transports[transport_ns] |
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|
869 except KeyError: |
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|
870 log.warning(u"Other peer want to replace current transport with an unknown one: {}".format(transport_ns)) |
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871 content_name = None |
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|
872 break |
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|
873 to_replace.append((content_name, content_data, transport, transport_elt)) |
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|
874 |
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diff
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|
875 if content_name is None: |
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parents:
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|
876 # wa can't accept the replacement |
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parents:
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diff
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|
877 iq_elt, reject_jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_TRANSPORT_REJECT) |
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|
878 for child in jingle_elt.children: |
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parents:
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879 reject_jingle_elt.addChild(child) |
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parents:
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diff
changeset
|
880 |
c25f63215632
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diff
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|
881 iq_elt.send() |
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diff
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|
882 defer.returnValue(None) |
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diff
changeset
|
883 |
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diff
changeset
|
884 # at this point, everything is alright and we can replace the transport(s) |
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parents:
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|
885 # this is similar to an session-accept action, but for transports only |
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changeset
|
886 iq_elt, accept_jingle_elt = self._buildJingleElt(client, session, XEP_0166.A_TRANSPORT_ACCEPT) |
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diff
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|
887 for content_name, content_data, transport, transport_elt in to_replace: |
c25f63215632
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parents:
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diff
changeset
|
888 # we can now actually replace the transport |
2489
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parents:
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diff
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|
889 yield content_data['transport'].handler.jingleHandler(client, XEP_0166.A_DESTROY, session, content_name, None) |
1630
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|
890 content_data['transport'] = transport |
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891 content_data['transport_data'].clear() |
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changeset
|
892 # and build the element |
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parents:
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diff
changeset
|
893 content_elt = accept_jingle_elt.addElement('content') |
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parents:
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diff
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|
894 content_elt['name'] = content_name |
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|
895 content_elt['creator'] = content_data['creator'] |
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parents:
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diff
changeset
|
896 # we notify the transport and insert its <transport/> in the answer |
2489
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parents:
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|
897 accept_transport_elt = yield transport.handler.jingleHandler(client, XEP_0166.A_TRANSPORT_REPLACE, session, content_name, transport_elt) |
1630
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|
898 content_elt.addChild(accept_transport_elt) |
c25f63215632
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parents:
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diff
changeset
|
899 # there is no confirmation needed here, so we can directly prepare it |
2489
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parents:
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changeset
|
900 yield transport.handler.jingleHandler(client, XEP_0166.A_PREPARE_RESPONDER, session, content_name, None) |
1630
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diff
changeset
|
901 |
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diff
changeset
|
902 iq_elt.send() |
c25f63215632
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parents:
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diff
changeset
|
903 |
c25f63215632
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parents:
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diff
changeset
|
904 def onTransportAccept(self, client, request, jingle_elt, session): |
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parents:
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diff
changeset
|
905 """Method called once transport replacement is accepted |
c25f63215632
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parents:
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diff
changeset
|
906 |
c25f63215632
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parents:
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diff
changeset
|
907 @param client: %(doc_client)s |
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parents:
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diff
changeset
|
908 @param request(domish.Element): full <iq> request |
c25f63215632
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parents:
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diff
changeset
|
909 @param jingle_elt(domish.Element): the <jingle> element |
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parents:
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diff
changeset
|
910 @param session(dict): session data |
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parents:
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diff
changeset
|
911 """ |
c25f63215632
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Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
912 log.debug(u"new transport has been accepted") |
c25f63215632
plugin XEP-0166: transport replacement:
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parents:
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diff
changeset
|
913 |
c25f63215632
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parents:
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diff
changeset
|
914 try: |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
915 self._parseElements(jingle_elt, session, request, client, with_application=False) |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
916 except exceptions.CancelError: |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
917 return |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
918 |
c25f63215632
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Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
919 # at this point we can send the <iq/> result to confirm reception of the request |
2129
6a66c8c5a567
core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
920 client.send(xmlstream.toResponse(request, 'result')) |
1630
c25f63215632
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diff
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|
921 |
c25f63215632
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parents:
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diff
changeset
|
922 negociate_defers = [] |
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2487
diff
changeset
|
923 negociate_defers = self._callPlugins(client, XEP_0166.A_TRANSPORT_ACCEPT, session, app_method_name=None) |
1630
c25f63215632
plugin XEP-0166: transport replacement:
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parents:
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diff
changeset
|
924 |
c25f63215632
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Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
925 negociate_dlist = defer.DeferredList(negociate_defers) |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
926 |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
927 # after negociations we start the transfer |
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
928 negociate_dlist.addCallback(lambda dummy: self._callPlugins(client, XEP_0166.A_START, session, app_method_name=None, elements=False)) |
1630
c25f63215632
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parents:
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diff
changeset
|
929 |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
1617
diff
changeset
|
930 def onTransportReject(self, client, request, jingle_elt, session): |
c25f63215632
plugin XEP-0166: transport replacement:
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parents:
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diff
changeset
|
931 """Method called when a transport replacement is refused |
c25f63215632
plugin XEP-0166: transport replacement:
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parents:
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diff
changeset
|
932 |
c25f63215632
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parents:
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diff
changeset
|
933 @param client: %(doc_client)s |
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parents:
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diff
changeset
|
934 @param request(domish.Element): full <iq> request |
c25f63215632
plugin XEP-0166: transport replacement:
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parents:
1617
diff
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|
935 @param jingle_elt(domish.Element): the <jingle> element |
c25f63215632
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parents:
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diff
changeset
|
936 @param session(dict): session data |
c25f63215632
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parents:
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diff
changeset
|
937 """ |
c25f63215632
plugin XEP-0166: transport replacement:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
938 # XXX: for now, we terminate the session in case of transport-reject |
c25f63215632
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parents:
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diff
changeset
|
939 # this behaviour may change in the future |
2489
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parents:
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changeset
|
940 self.terminate(client, 'failed-transport', session) |
1630
c25f63215632
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diff
changeset
|
941 |
1556
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
942 def onTransportInfo(self, client, request, jingle_elt, session): |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
943 """Method called when a transport-info action is received from other peer |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
944 |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
945 The request is parsed, and jingleHandler is called on concerned transport plugin(s) |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
946 @param client: %(doc_client)s |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
947 @param request(domish.Element): full <iq> request |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
948 @param jingle_elt(domish.Element): the <jingle> element |
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents:
1523
diff
changeset
|
949 @param session(dict): session data |
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950 """ |
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951 log.debug(u"Jingle session {} has been accepted".format(session['id'])) |
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parents:
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952 |
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plugin XEP-0166, XEP-0234, XEP-0261:
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parents:
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953 try: |
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954 self._parseElements(jingle_elt, session, request, client, with_application=False) |
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955 except exceptions.CancelError: |
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956 return |
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parents:
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957 |
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Goffi <goffi@goffi.org>
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958 # The parsing was OK, we send the <iq> result |
2129
6a66c8c5a567
core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
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959 client.send(xmlstream.toResponse(request, 'result')) |
1556
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plugin XEP-0166, XEP-0234, XEP-0261:
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parents:
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960 |
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plugin XEP-0166, XEP-0234, XEP-0261:
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parents:
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961 for content_name, content_data in session['contents'].iteritems(): |
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parents:
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962 try: |
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963 transport_elt = content_data.pop('transport_elt') |
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plugin XEP-0166, XEP-0234, XEP-0261:
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964 except KeyError: |
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plugin XEP-0166, XEP-0234, XEP-0261:
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parents:
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965 continue |
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Goffi <goffi@goffi.org>
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966 else: |
2489
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plugin pipe/stream, file transfert: refactoring and improvments:
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967 content_data['transport'].handler.jingleHandler(client, XEP_0166.A_TRANSPORT_INFO, session, content_name, transport_elt) |
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968 |
1523
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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969 |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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970 class XEP_0166_handler(xmlstream.XMPPHandler): |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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971 implements(iwokkel.IDisco) |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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972 |
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973 def __init__(self, plugin_parent): |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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974 self.plugin_parent = plugin_parent |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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975 |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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976 def connectionInitialized(self): |
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977 self.xmlstream.addObserver(JINGLE_REQUEST, self.plugin_parent._onJingleRequest, client=self.parent) |
1523
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978 |
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979 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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980 return [disco.DiscoFeature(NS_JINGLE)] |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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981 |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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|
982 def getDiscoItems(self, requestor, target, nodeIdentifier=''): |
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plugin XEP-0166: (jingle) first draft. Not all actions are managed yet
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983 return [] |