Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0234.py @ 1582:a41cc0849008
primitivus: partly reverted commit 641cfd2faefe :
- showDialog is actually still used and useful
- updated the code to use the widget argument in removePopup
author | Goffi <goffi@goffi.org> |
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date | Fri, 13 Nov 2015 16:45:56 +0100 |
parents | 833bdb227b16 |
children | 846a39900fa6 |
rev | line source |
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1 #!/usr/bin/python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SAT plugin for Jingle File Transfer (XEP-0234) |
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org) |
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6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
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11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
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16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
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20 from sat.core.i18n import _ |
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21 from sat.core.constants import Const as C |
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22 from sat.core.log import getLogger |
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23 log = getLogger(__name__) |
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24 from sat.core import exceptions |
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25 from wokkel import disco, iwokkel |
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26 from zope.interface import implements |
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27 from sat.tools import utils |
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28 import os.path |
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29 from twisted.words.xish import domish |
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30 from twisted.words.protocols.jabber import jid |
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31 from twisted.python import failure |
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32 from twisted.words.protocols.jabber.xmlstream import XMPPHandler |
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33 from twisted.internet import defer |
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34 |
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35 |
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36 NS_JINGLE_FT = 'urn:xmpp:jingle:apps:file-transfer:4' |
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37 |
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38 PLUGIN_INFO = { |
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39 "name": "Jingle File Transfer", |
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40 "import_name": "XEP-0234", |
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41 "type": "XEP", |
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42 "protocols": ["XEP-0234"], |
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43 "dependencies": ["XEP-0166", "XEP-0300", "FILE"], |
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44 "main": "XEP_0234", |
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45 "handler": "yes", |
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46 "description": _("""Implementation of Jingle File Transfer""") |
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47 } |
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48 |
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49 |
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50 class XEP_0234(object): |
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51 # TODO: assure everything is closed when file is sent or session terminate is received |
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52 |
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53 def __init__(self, host): |
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54 log.info(_("plugin Jingle File Transfer initialization")) |
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55 self.host = host |
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56 self._j = host.plugins["XEP-0166"] # shortcut to access jingle |
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57 self._j.registerApplication(NS_JINGLE_FT, self) |
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58 self._f = host.plugins["FILE"] |
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59 host.bridge.addMethod("fileJingleSend", ".plugin", in_sign='sssss', out_sign='', method=self._fileJingleSend) |
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60 |
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61 def getHandler(self, profile): |
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62 return XEP_0234_handler() |
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63 |
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64 def _fileJingleSend(self, peer_jid, filepath, name="", file_desc="", profile=C.PROF_KEY_NONE): |
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65 return self.fileJingleSend(jid.JID(peer_jid), filepath, name or None, file_desc or None, profile) |
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66 |
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67 def fileJingleSend(self, peer_jid, filepath, name=None, file_desc=None, profile=C.PROF_KEY_NONE): |
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68 self._j.initiate(peer_jid, |
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69 [{'app_ns': NS_JINGLE_FT, |
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70 'senders': self._j.ROLE_INITIATOR, |
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71 'app_kwargs': {'filepath': filepath, |
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72 'name': name, |
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73 'file_desc': file_desc}, |
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74 }], |
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75 profile=profile) |
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76 |
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77 # jingle callbacks |
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78 |
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79 def jingleSessionInit(self, session, content_name, filepath, name=None, file_desc=None, profile=C.PROF_KEY_NONE): |
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80 content_data = session['contents'][content_name] |
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81 application_data = content_data['application_data'] |
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82 assert 'file_path' not in application_data |
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83 application_data['file_path'] = filepath |
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84 file_data = application_data['file_data'] = {} |
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85 file_data['date'] = utils.xmpp_date() |
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86 file_data['desc'] = file_desc or '' |
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87 file_data['media-type'] = "application/octet-stream" # TODO |
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88 file_data['name'] = os.path.basename(filepath) if name is None else name |
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89 file_data['size'] = os.path.getsize(filepath) |
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90 desc_elt = domish.Element((NS_JINGLE_FT, 'description')) |
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91 file_elt = desc_elt.addElement("file") |
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92 for name in ('date', 'desc', 'media-type', 'name', 'size'): |
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93 file_elt.addElement(name, content=unicode(file_data[name])) |
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94 file_elt.addElement("range") # TODO |
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95 file_elt.addChild(self.host.plugins["XEP-0300"].buidHash()) |
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96 return desc_elt |
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97 |
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98 def jingleRequestConfirmation(self, action, session, content_name, desc_elt, profile): |
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99 """This method request confirmation for a jingle session""" |
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100 content_data = session['contents'][content_name] |
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101 if content_data['senders'] not in (self._j.ROLE_INITIATOR, self._j.ROLE_RESPONDER): |
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102 log.warning(u"Bad sender, assuming initiator") |
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103 content_data['senders'] = self._j.ROLE_INITIATOR |
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104 # first we grab file informations |
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105 try: |
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106 file_elt = desc_elt.elements(NS_JINGLE_FT, 'file').next() |
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107 except StopIteration: |
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108 raise failure.Failure(exceptions.DataError) |
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109 file_data = {} |
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110 for name in ('date', 'desc', 'media-type', 'name', 'range', 'size'): |
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111 try: |
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112 file_data[name] = unicode(file_elt.elements(NS_JINGLE_FT, name).next()) |
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113 except StopIteration: |
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114 file_data[name] = '' |
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115 |
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116 try: |
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117 file_data['size'] = int(file_data['size']) |
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118 except ValueError: |
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119 raise failure.Failure(exceptions.DataError) |
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120 |
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121 name = file_data['name'] |
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122 if '/' in name or '\\' in name: |
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123 log.warning(u"File name contain path characters, we replace them: {}".format(name)) |
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124 file_data['name'] = name.replace('/', '_').replace('\\', '_') |
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125 |
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126 # TODO: parse hash using plugin XEP-0300 |
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127 |
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128 content_data['application_data']['file_data'] = file_data |
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129 |
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130 # now we actualy request permission to user |
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131 def gotConfirmation(confirmed): |
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132 if confirmed: |
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133 finished_d = content_data['finished_d'] = defer.Deferred() |
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134 args = [session, content_name, content_data, profile] |
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135 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args) |
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136 return confirmed |
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137 |
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138 d = self._f.getDestDir(session['peer_jid'], content_data, file_data, profile) |
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139 d.addCallback(gotConfirmation) |
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140 return d |
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141 |
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142 |
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143 def jingleHandler(self, action, session, content_name, desc_elt, profile): |
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144 content_data = session['contents'][content_name] |
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145 application_data = content_data['application_data'] |
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146 if action in (self._j.A_ACCEPTED_ACK,): |
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147 pass |
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148 elif action == self._j.A_SESSION_INITIATE: |
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149 file_elt = desc_elt.elements(NS_JINGLE_FT, 'file').next() |
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150 try: |
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151 file_elt.elements(NS_JINGLE_FT, 'range').next() |
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152 except StopIteration: |
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153 # initiator doesn't manage <range>, but we do so we advertise it |
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154 log.debug("adding <range> element") |
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155 file_elt.addElement('range') |
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156 elif action == self._j.A_SESSION_ACCEPT: |
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157 assert not 'file_obj' in content_data |
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158 file_path = application_data['file_path'] |
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159 size = application_data['file_data']['size'] |
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160 content_data['file_obj'] = self._f.File(self.host, |
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161 file_path, |
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162 size=size, |
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163 profile=profile |
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164 ) |
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165 finished_d = content_data['finished_d'] = defer.Deferred() |
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166 args = [session, content_name, content_data, profile] |
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167 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args) |
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168 else: |
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169 log.warning(u"FIXME: unmanaged action {}".format(action)) |
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170 return desc_elt |
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171 |
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172 def _finishedCb(self, dummy, session, content_name, content_data, profile): |
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173 log.debug(u"File transfer completed successfuly") |
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174 if content_data['senders'] != session['role']: |
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175 # we terminate the session only if we are the received, |
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176 # as recommanded in XEP-0234 §2 (after example 6) |
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177 self._j.contentTerminate(session, content_name, profile=profile) |
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178 content_data['file_obj'].close() |
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179 |
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180 def _finishedEb(self, failure, session, content_name, content_data, profile): |
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181 log.warning(u"Error while streaming through s5b: {}".format(failure)) |
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182 content_data['file_obj'].close() |
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183 self._j.contentTerminate(session, content_name, reason=self._j.REASON_FAILED_TRANSPORT, profile=profile) |
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184 |
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185 |
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186 class XEP_0234_handler(XMPPHandler): |
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187 implements(iwokkel.IDisco) |
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188 |
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189 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
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190 return [disco.DiscoFeature(NS_JINGLE_FT)] |
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191 |
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192 def getDiscoItems(self, requestor, target, nodeIdentifier=''): |
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193 return [] |