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annotate src/plugins/plugin_xep_0234.py @ 1571:c668081eba1c

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plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
author Goffi <goffi@goffi.org>
date Sun, 08 Nov 2015 14:48:04 +0100
parents 1f7a34d499e0
children babd97d80049
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1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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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 _, 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 log = getLogger(__name__)
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24 from sat.core import exceptions
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25 from sat.tools import xml_tools
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26 from wokkel import disco, iwokkel
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27 from zope.interface import implements
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28 from sat.tools import utils
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29 import os.path
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30 from twisted.words.xish import domish
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31 from twisted.words.protocols.jabber import jid
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32 from twisted.python import failure
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33 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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34 from twisted.internet import defer
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35
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36
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37 NS_JINGLE_FT = 'urn:xmpp:jingle:apps:file-transfer:4'
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38 CONFIRM = D_(u'{entity} wants to send the file "{name}" to you:\n{desc}\n\nThe file has a size of {size_human}\n\nDo you accept ?')
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39 CONFIRM_TITLE = D_(u'Confirm file transfer')
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40 CONFIRM_OVERWRITE = D_(u'File {} already exists, are you sure you want to overwrite ?')
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41 CONFIRM_OVERWRITE_TITLE = D_(u'File exists')
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42
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43 PLUGIN_INFO = {
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44 "name": "Jingle File Transfer",
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45 "import_name": "XEP-0234",
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46 "type": "XEP",
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47 "protocols": ["XEP-0234"],
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48 "dependencies": ["XEP-0166", "XEP-0300", "FILE"],
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49 "main": "XEP_0234",
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50 "handler": "yes",
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51 "description": _("""Implementation of Jingle File Transfer""")
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52 }
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53
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54
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55 class XEP_0234(object):
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56 # TODO: assure everything is closed when file is sent or session terminate is received
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57
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58 def __init__(self, host):
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59 log.info(_("plugin Jingle File Transfer initialization"))
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60 self.host = host
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61 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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62 self._j.registerApplication(NS_JINGLE_FT, self)
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63 self._f = host.plugins["FILE"]
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64 host.bridge.addMethod("fileJingleSend", ".plugin", in_sign='sssss', out_sign='', method=self._fileJingleSend)
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65
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66 def getHandler(self, profile):
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67 return XEP_0234_handler()
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68
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69 def _fileJingleSend(self, peer_jid, filepath, name="", file_desc="", profile=C.PROF_KEY_NONE):
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70 return self.fileJingleSend(jid.JID(peer_jid), filepath, name or None, file_desc or None, profile)
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71
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72 def fileJingleSend(self, peer_jid, filepath, name=None, file_desc=None, profile=C.PROF_KEY_NONE):
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73 self._j.initiate(peer_jid,
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74 [{'app_ns': NS_JINGLE_FT,
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75 'senders': self._j.ROLE_INITIATOR,
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76 'app_kwargs': {'filepath': filepath,
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77 'name': name,
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78 'file_desc': file_desc},
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79 }],
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80 profile=profile)
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81
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82
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83 # Dialogs with user
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84 # the overwrite check is done here
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85
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86 def _getDestDir(self, session, content_name, content_data, profile):
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87 """Request confirmation and destination dir to user
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88
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89 if transfer is confirmed, session is filled
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90 @param session(dict): jingle session data
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91 @param content_name(unicode): name of the jingle content
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92 @param content_data(dict): content informations
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93 @param profile: %(doc_profile)s
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94 return (defer.Deferred): True if transfer is accepted
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95 """
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96 application_data = content_data['application_data']
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97 file_data = application_data['file_data']
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98 d = xml_tools.deferDialog(self.host,
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99 _(CONFIRM).format(entity=session['peer_jid'].full(), **file_data),
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100 _(CONFIRM_TITLE),
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101 type_=C.XMLUI_DIALOG_FILE,
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102 options={C.XMLUI_DATA_FILETYPE: C.XMLUI_DATA_FILETYPE_DIR},
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103 profile=profile)
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104 d.addCallback(self._gotConfirmation, session, content_name, content_data, application_data, profile)
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105 return d
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106
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107 def _openFileWrite(self, session, content_name, content_data, file_path, file_data, profile):
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108 assert 'file_obj' not in content_data
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109 file_obj = content_data['file_obj'] = self._f.File(
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110 self.host,
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111 file_path,
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112 'w',
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113 size=file_data['size'],
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114 profile=profile,
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115 )
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116 finished_d = content_data['finished_d'] = defer.Deferred()
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117 args = [file_obj, session, content_name, content_data, profile]
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118 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args)
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119
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parents: 1568
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120 def _gotConfirmation(self, data, session, content_name, content_data, application_data, profile):
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parents:
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121 """Called when the permission and dest path have been received
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parents:
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122
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parents:
diff changeset
123 @param data(dict): xmlui data received from file dialog
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Goffi <goffi@goffi.org>
parents: 1568
diff changeset
124 @param session(dict): jingle session data
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1568
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125 @param content_name(unicode): name of the jingle content
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
126 @param content_data(dict): content session_data
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1568
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127 @param content_data(dict): application session data
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
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parents: 1568
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128 @param profile: %(doc_profile)s
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129 return (bool): True if copy is wanted and OK
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parents:
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130 False if user wants to cancel
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Goffi <goffi@goffi.org>
parents:
diff changeset
131 if fill exists ask confirmation and call again self._getDestDir if needed
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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parents:
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132 """
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Goffi <goffi@goffi.org>
parents:
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133 if data.get('cancelled', False):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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parents:
diff changeset
134 return False
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cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
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parents: 1529
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135 file_data = application_data['file_data']
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136 path = data['path']
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diff changeset
137 file_data['file_path'] = file_path = os.path.join(path, file_data['name'])
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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parents:
diff changeset
138 log.debug(u'destination file path set to {}'.format(file_path))
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parents:
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139
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Goffi <goffi@goffi.org>
parents:
diff changeset
140 # we manage case where file already exists
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Goffi <goffi@goffi.org>
parents:
diff changeset
141 if os.path.exists(file_path):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
142 def check_overwrite(overwrite):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
143 if overwrite:
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Goffi <goffi@goffi.org>
parents: 1568
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144 self._openFileWrite(session, content_name, content_data, file_path, file_data, profile)
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145 return True
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parents:
diff changeset
146 else:
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c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
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parents: 1568
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147 return self._getDestDir(session, content_name, content_data, profile)
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148
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parents:
diff changeset
149 exists_d = xml_tools.deferConfirm(
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Goffi <goffi@goffi.org>
parents:
diff changeset
150 self.host,
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parents:
diff changeset
151 _(CONFIRM_OVERWRITE).format(file_path),
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parents:
diff changeset
152 _(CONFIRM_OVERWRITE_TITLE),
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Goffi <goffi@goffi.org>
parents:
diff changeset
153 profile=profile)
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Goffi <goffi@goffi.org>
parents:
diff changeset
154 exists_d.addCallback(check_overwrite)
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Goffi <goffi@goffi.org>
parents:
diff changeset
155 return exists_d
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parents:
diff changeset
156
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parents: 1568
diff changeset
157 self._openFileWrite(session, content_name, content_data, file_path, file_data, profile)
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parents:
diff changeset
158 return True
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parents:
diff changeset
159
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Goffi <goffi@goffi.org>
parents:
diff changeset
160 # jingle callbacks
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parents:
diff changeset
161
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Goffi <goffi@goffi.org>
parents:
diff changeset
162 def jingleSessionInit(self, session, content_name, filepath, name=None, file_desc=None, profile=C.PROF_KEY_NONE):
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parents:
diff changeset
163 content_data = session['contents'][content_name]
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parents: 1529
diff changeset
164 application_data = content_data['application_data']
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
165 assert 'file_path' not in application_data
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parents: 1529
diff changeset
166 application_data['file_path'] = filepath
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parents: 1529
diff changeset
167 file_data = application_data['file_data'] = {}
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parents:
diff changeset
168 file_data['date'] = utils.xmpp_date()
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Goffi <goffi@goffi.org>
parents:
diff changeset
169 file_data['desc'] = file_desc or ''
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
170 file_data['media-type'] = "application/octet-stream" # TODO
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parents:
diff changeset
171 file_data['name'] = os.path.basename(filepath) if name is None else name
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Goffi <goffi@goffi.org>
parents:
diff changeset
172 file_data['size'] = os.path.getsize(filepath)
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Goffi <goffi@goffi.org>
parents:
diff changeset
173 desc_elt = domish.Element((NS_JINGLE_FT, 'description'))
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parents:
diff changeset
174 file_elt = desc_elt.addElement("file")
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Goffi <goffi@goffi.org>
parents:
diff changeset
175 for name in ('date', 'desc', 'media-type', 'name', 'size'):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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parents:
diff changeset
176 file_elt.addElement(name, content=unicode(file_data[name]))
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Goffi <goffi@goffi.org>
parents:
diff changeset
177 file_elt.addElement("range") # TODO
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parents:
diff changeset
178 file_elt.addChild(self.host.plugins["XEP-0300"].buidHash())
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parents:
diff changeset
179 return desc_elt
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parents:
diff changeset
180
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parents:
diff changeset
181 def jingleRequestConfirmation(self, action, session, content_name, desc_elt, profile):
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parents:
diff changeset
182 """This method request confirmation for a jingle session"""
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Goffi <goffi@goffi.org>
parents:
diff changeset
183 content_data = session['contents'][content_name]
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22f0307864b4 plugin XEP-0234: "senders" handling
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parents: 1556
diff changeset
184 if content_data['senders'] not in (self._j.ROLE_INITIATOR, self._j.ROLE_RESPONDER):
22f0307864b4 plugin XEP-0234: "senders" handling
Goffi <goffi@goffi.org>
parents: 1556
diff changeset
185 log.warning(u"Bad sender, assuming initiator")
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Goffi <goffi@goffi.org>
parents: 1556
diff changeset
186 content_data['senders'] = self._j.ROLE_INITIATOR
1528
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parents:
diff changeset
187 # first we grab file informations
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Goffi <goffi@goffi.org>
parents:
diff changeset
188 try:
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Goffi <goffi@goffi.org>
parents:
diff changeset
189 file_elt = desc_elt.elements(NS_JINGLE_FT, 'file').next()
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parents:
diff changeset
190 except StopIteration:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
191 raise failure.Failure(exceptions.DataError)
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Goffi <goffi@goffi.org>
parents:
diff changeset
192 file_data = {}
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Goffi <goffi@goffi.org>
parents:
diff changeset
193 for name in ('date', 'desc', 'media-type', 'name', 'range', 'size'):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
194 try:
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Goffi <goffi@goffi.org>
parents:
diff changeset
195 file_data[name] = unicode(file_elt.elements(NS_JINGLE_FT, name).next())
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Goffi <goffi@goffi.org>
parents:
diff changeset
196 except StopIteration:
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Goffi <goffi@goffi.org>
parents:
diff changeset
197 file_data[name] = ''
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Goffi <goffi@goffi.org>
parents:
diff changeset
198
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
199 try:
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Goffi <goffi@goffi.org>
parents:
diff changeset
200 size = file_data['size'] = int(file_data['size'])
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Goffi <goffi@goffi.org>
parents:
diff changeset
201 except ValueError:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
202 raise failure.Failure(exceptions.DataError)
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
203 else:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
204 # human readable size
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Goffi <goffi@goffi.org>
parents:
diff changeset
205 file_data['size_human'] = u'{:.6n} Mio'.format(float(size)/(1024**2))
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
206
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
207 name = file_data['name']
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
208 if '/' in name or '\\' in name:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
209 log.warning(u"File name contain path characters, we replace them: {}".format(name))
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Goffi <goffi@goffi.org>
parents:
diff changeset
210 file_data['name'] = name.replace('/', '_').replace('\\', '_')
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Goffi <goffi@goffi.org>
parents:
diff changeset
211
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
212 # TODO: parse hash using plugin XEP-0300
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Goffi <goffi@goffi.org>
parents:
diff changeset
213
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parents: 1529
diff changeset
214 content_data['application_data']['file_data'] = file_data
1528
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parents:
diff changeset
215
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Goffi <goffi@goffi.org>
parents:
diff changeset
216 # now we actualy request permission to user
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c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
217 return self._getDestDir(session, content_name, content_data, profile)
1528
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Goffi <goffi@goffi.org>
parents:
diff changeset
218
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
219
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
220 def jingleHandler(self, action, session, content_name, desc_elt, profile):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
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parents:
diff changeset
221 content_data = session['contents'][content_name]
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
222 application_data = content_data['application_data']
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
223 if action in (self._j.A_ACCEPTED_ACK,):
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
224 pass
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
225 elif action == self._j.A_SESSION_INITIATE:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
226 file_elt = desc_elt.elements(NS_JINGLE_FT, 'file').next()
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
227 try:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
228 file_elt.elements(NS_JINGLE_FT, 'range').next()
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
229 except StopIteration:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
230 # initiator doesn't manage <range>, but we do so we advertise it
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
231 log.debug("adding <range> element")
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
232 file_elt.addElement('range')
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
233 elif action == self._j.A_SESSION_ACCEPT:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
234 assert not 'file_obj' in content_data
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
235 file_path = application_data['file_path']
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
236 size = application_data['file_data']['size']
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
237 file_obj = content_data['file_obj'] = self._f.File(self.host,
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
238 file_path,
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
239 size=size,
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
240 profile=profile
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
241 )
1571
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
242 finished_d = content_data['finished_d'] = defer.Deferred()
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
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243 args = [file_obj, session, content_name, content_data, profile]
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244 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args)
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245 else:
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246 log.warning(u"FIXME: unmanaged action {}".format(action))
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247 return desc_elt
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248
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249 def _finishedCb(self, dummy, file_obj, session, content_name, content_data, profile):
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250 log.debug(u"File transfer completed successfuly")
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251 if content_data['senders'] != session['role']:
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252 # we terminate the session only if we are the received,
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253 # as recommanded in XEP-0234 §2 (after example 6)
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254 self._j.contentTerminate(session, content_name, profile=profile)
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255 file_obj.close()
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256
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257 def _finishedEb(self, failure, file_obj, session, content_name, content_data, profile):
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258 log.warning(u"Error while streaming through s5b: {}".format(failure))
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259 file_obj.close()
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260 self._j.contentTerminate(session, content_name, reason=self._j.REASON_FAILED_TRANSPORT, profile=profile)
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261
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262
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263 class XEP_0234_handler(XMPPHandler):
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264 implements(iwokkel.IDisco)
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265
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266 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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267 return [disco.DiscoFeature(NS_JINGLE_FT)]
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268
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269 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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270 return []