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annotate src/plugins/plugin_xep_0234.py @ 2154:7cbffd754b4a

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core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
author Goffi <goffi@goffi.org>
date Thu, 16 Feb 2017 00:44:54 +0100
parents 33c8c4973743
children 8b37a62336c3
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1934
2daf7b4c6756 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 File Transfer (XEP-0234)
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5 # Copyright (C) 2009-2016 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 from twisted.internet import reactor
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35 from twisted.internet import error as internet_error
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37
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38 NS_JINGLE_FT = 'urn:xmpp:jingle:apps:file-transfer:4'
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39
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40 PLUGIN_INFO = {
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41 C.PI_NAME: "Jingle File Transfer",
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42 C.PI_IMPORT_NAME: "XEP-0234",
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43 C.PI_TYPE: "XEP",
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44 C.PI_PROTOCOLS: ["XEP-0234"],
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45 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0300", "FILE"],
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46 C.PI_MAIN: "XEP_0234",
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47 C.PI_HANDLER: "yes",
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48 C.PI_DESCRIPTION: _("""Implementation of Jingle File Transfer""")
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49 }
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50
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51
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52 class XEP_0234(object):
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53 # TODO: assure everything is closed when file is sent or session terminate is received
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54 # TODO: call self._f.unregister when unloading order will be managing (i.e. when dependencies will be unloaded at the end)
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55
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56 def __init__(self, host):
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57 log.info(_("plugin Jingle File Transfer initialization"))
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58 self.host = host
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59 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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60 self._j.registerApplication(NS_JINGLE_FT, self)
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61 self._f = host.plugins["FILE"]
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62 self._f.register(NS_JINGLE_FT, self.fileJingleSend, priority = 10000, method_name=u"Jingle")
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63 self._hash = self.host.plugins["XEP-0300"]
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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, client):
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67 return XEP_0234_handler()
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68
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69 def _getProgressId(self, session, content_name):
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70 """Return a unique progress ID
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72 @param session(dict): jingle session
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73 @param content_name(unicode): name of the content
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74 @return (unicode): unique progress id
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75 """
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76 return u'{}_{}'.format(session['id'], content_name)
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77
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78 def _fileJingleSend(self, peer_jid, filepath, name="", file_desc="", profile=C.PROF_KEY_NONE):
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79 return self.fileJingleSend(jid.JID(peer_jid), filepath, name or None, file_desc or None, profile)
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80
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81 def fileJingleSend(self, peer_jid, filepath, name, file_desc=None, profile=C.PROF_KEY_NONE):
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82 """Send a file using jingle file transfer
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83
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84 @param peer_jid(jid.JID): destinee jid
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85 @param filepath(str): absolute path of the file
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86 @param name(unicode, None): name of the file
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87 @param file_desc(unicode, None): description of the file
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88 @param profile: %(doc_profile)s
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89 @return (D(unicode)): progress id
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90 """
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91 progress_id_d = defer.Deferred()
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92 self._j.initiate(peer_jid,
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93 [{'app_ns': NS_JINGLE_FT,
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94 'senders': self._j.ROLE_INITIATOR,
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95 'app_kwargs': {'filepath': filepath,
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96 'name': name,
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97 'file_desc': file_desc,
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98 'progress_id_d': progress_id_d},
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99 }],
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100 profile=profile)
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101 return progress_id_d
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102
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103 # jingle callbacks
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104
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105 def jingleSessionInit(self, session, content_name, filepath, name, file_desc, progress_id_d, profile=C.PROF_KEY_NONE):
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106 progress_id_d.callback(self._getProgressId(session, content_name))
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107 content_data = session['contents'][content_name]
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108 application_data = content_data['application_data']
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109 assert 'file_path' not in application_data
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110 application_data['file_path'] = filepath
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111 file_data = application_data['file_data'] = {}
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112 file_data['date'] = utils.xmpp_date()
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113 file_data['desc'] = file_desc or ''
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114 file_data['media-type'] = "application/octet-stream" # TODO
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
115 file_data['name'] = os.path.basename(filepath) if name is None else name
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
116 file_data['size'] = os.path.getsize(filepath)
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
117 desc_elt = domish.Element((NS_JINGLE_FT, 'description'))
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
118 file_elt = desc_elt.addElement("file")
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
119 for name in ('date', 'desc', 'media-type', 'name', 'size'):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
120 file_elt.addElement(name, content=unicode(file_data[name]))
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
121 file_elt.addElement("range") # TODO
1618
0de5f210fe56 plugin XEP-0300: implemented hashing:
Goffi <goffi@goffi.org>
parents: 1598
diff changeset
122 file_elt.addChild(self._hash.buildHashElt())
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
123 return desc_elt
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
124
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
125 def jingleRequestConfirmation(self, action, session, content_name, desc_elt, profile):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
126 """This method request confirmation for a jingle session"""
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
127 content_data = session['contents'][content_name]
1557
22f0307864b4 plugin XEP-0234: "senders" handling
Goffi <goffi@goffi.org>
parents: 1556
diff changeset
128 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
129 log.warning(u"Bad sender, assuming initiator")
22f0307864b4 plugin XEP-0234: "senders" handling
Goffi <goffi@goffi.org>
parents: 1556
diff changeset
130 content_data['senders'] = self._j.ROLE_INITIATOR
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
131 # first we grab file informations
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
132 try:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
133 file_elt = desc_elt.elements(NS_JINGLE_FT, 'file').next()
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
134 except StopIteration:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
135 raise failure.Failure(exceptions.DataError)
1585
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
136 file_data = {'progress_id': self._getProgressId(session, content_name)}
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
137 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
138 try:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
139 file_data[name] = unicode(file_elt.elements(NS_JINGLE_FT, name).next())
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
140 except StopIteration:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
141 file_data[name] = ''
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
142
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
143 try:
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
144 hash_algo, file_data['hash_given'] = self._hash.parseHashElt(file_elt)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
145 except exceptions.NotFound:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
146 raise failure.Failure(exceptions.DataError)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
147
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
148 if hash_algo is not None:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
149 file_data['hash_algo'] = hash_algo
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
150 file_data['hash_hasher'] = hasher = self._hash.getHasher(hash_algo)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
151 file_data['data_cb'] = lambda data: hasher.update(data)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
152
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
153 try:
1575
833bdb227b16 plugins XEP-0234, file: moved human file size conversion to file plugi
Goffi <goffi@goffi.org>
parents: 1574
diff changeset
154 file_data['size'] = int(file_data['size'])
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
155 except ValueError:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
156 raise failure.Failure(exceptions.DataError)
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
157
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
158 name = file_data['name']
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
159 if '/' in name or '\\' in name:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
160 log.warning(u"File name contain path characters, we replace them: {}".format(name))
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
161 file_data['name'] = name.replace('/', '_').replace('\\', '_')
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
162
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
163 content_data['application_data']['file_data'] = file_data
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
164
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
165 # now we actualy request permission to user
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
166 def gotConfirmation(confirmed):
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
167 if confirmed:
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
168 finished_d = content_data['finished_d'] = defer.Deferred()
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
169 args = [session, content_name, content_data, profile]
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
170 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args)
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
171 return confirmed
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
172
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
173 d = self._f.getDestDir(session['peer_jid'], content_data, file_data, profile)
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
174 d.addCallback(gotConfirmation)
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
175 return d
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
176
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
177 def jingleHandler(self, action, session, content_name, desc_elt, profile):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
178 content_data = session['contents'][content_name]
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
179 application_data = content_data['application_data']
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
180 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
181 pass
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
182 elif action == self._j.A_SESSION_INITIATE:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
183 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
184 try:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
185 file_elt.elements(NS_JINGLE_FT, 'range').next()
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
186 except StopIteration:
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
187 # 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
188 log.debug("adding <range> element")
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
189 file_elt.addElement('range')
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
190 elif action == self._j.A_SESSION_ACCEPT:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
191 assert not 'file_obj' in content_data
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
192 file_data = application_data['file_data']
1556
cbfbe028d099 plugin XEP-0166, XEP-0234, XEP-0261:
Goffi <goffi@goffi.org>
parents: 1529
diff changeset
193 file_path = application_data['file_path']
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
194 size = file_data['size']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
195 # XXX: hash security is not critical here, so we just take the higher mandatory one
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
196 hasher = file_data['hash_hasher'] = self._hash.getHasher('sha-256')
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
197 content_data['file_obj'] = self._f.File(self.host,
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
198 file_path,
1585
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
199 uid=self._getProgressId(session, content_name),
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
200 size=size,
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
201 data_cb=lambda data: hasher.update(data),
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
202 profile=profile
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
203 )
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
204 finished_d = content_data['finished_d'] = defer.Deferred()
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
205 args = [session, content_name, content_data, profile]
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
206 finished_d.addCallbacks(self._finishedCb, self._finishedEb, args, None, args)
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
207 else:
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
208 log.warning(u"FIXME: unmanaged action {}".format(action))
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
209 return desc_elt
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
210
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
211 def jingleSessionInfo(self, action, session, content_name, jingle_elt, profile):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
212 """Called on session-info action
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
213
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
214 manage checksum, and ignore <received/> element
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
215 """
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
216 # TODO: manage <received/> element
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
217 content_data = session['contents'][content_name]
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
218 elts = [elt for elt in jingle_elt.elements() if elt.uri == NS_JINGLE_FT]
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
219 if not elts:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
220 return
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
221 for elt in elts:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
222 if elt.name == 'received':
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
223 pass
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
224 elif elt.name == 'checksum':
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
225 # we have received the file hash, we need to parse it
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
226 if content_data['senders'] == session['role']:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
227 log.warning(u"unexpected checksum received while we are the file sender")
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
228 raise exceptions.DataError
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
229 info_content_name = elt['name']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
230 if info_content_name != content_name:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
231 # it was for an other content...
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
232 return
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
233 file_data = content_data['application_data']['file_data']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
234 try:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
235 file_elt = elt.elements((NS_JINGLE_FT, 'file')).next()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
236 except StopIteration:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
237 raise exceptions.DataError
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
238 algo, file_data['hash_given'] = self._hash.parseHashElt(file_elt)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
239 if algo != file_data.get('hash_algo'):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
240 log.warning(u"Hash algorithm used in given hash ({peer_algo}) doesn't correspond to the one we have used ({our_algo})"
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
241 .format(peer_algo=algo, our_algo=file_data.get('hash_algo')))
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
242 else:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
243 self._receiverTryTerminate(session, content_name, content_data, profile=profile)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
244 else:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
245 raise NotImplementedError
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
246
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
247 def _sendCheckSum(self, session, content_name, content_data, profile):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
248 """Send the session-info with the hash checksum"""
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
249 file_data = content_data['application_data']['file_data']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
250 hasher = file_data['hash_hasher']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
251 hash_ = hasher.hexdigest()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
252 log.debug(u"Calculated hash: {}".format(hash_))
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
253 iq_elt, jingle_elt = self._j.buildSessionInfo(session, profile)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
254 checksum_elt = jingle_elt.addElement((NS_JINGLE_FT, 'checksum'))
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
255 checksum_elt['creator'] = content_data['creator']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
256 checksum_elt['name'] = content_name
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
257 file_elt = checksum_elt.addElement('file')
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
258 file_elt.addChild(self._hash.buildHashElt(hash_))
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
259 iq_elt.send()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
260
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
261 def _receiverTryTerminate(self, session, content_name, content_data, last_try=False, profile=C.PROF_KEY_NONE):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
262 """Try to terminate the session
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
263
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
264 This method must only be used by the receiver.
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
265 It check if transfer is finished, and hash available,
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
266 if everything is OK, it check hash and terminate the session
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
267 @param last_try(bool): if True this mean than session must be terminated even given hash is not available
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
268 @return (bool): True if session was terminated
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
269 """
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
270 if not content_data.get('transfer_finished', False):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
271 return False
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
272 file_data = content_data['application_data']['file_data']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
273 hash_given = file_data.get('hash_given')
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
274 if hash_given is None:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
275 if last_try:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
276 log.warning(u"sender didn't sent hash checksum, we can't check the file")
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
277 self._j.delayedContentTerminate(session, content_name, profile=profile)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
278 content_data['file_obj'].close()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
279 return True
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
280 return False
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
281 hasher = file_data['hash_hasher']
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
282 hash_ = hasher.hexdigest()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
283
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
284 if hash_ == hash_given:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
285 log.info(u"Hash checked, file was successfully transfered: {}".format(hash_))
1626
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
286 progress_metadata = {'hash': hash_,
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
287 'hash_algo': file_data['hash_algo'],
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
288 'hash_verified': C.BOOL_TRUE
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
289 }
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
290 error = None
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
291 else:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
292 log.warning(u"Hash mismatch, the file was not transfered correctly")
1626
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
293 progress_metadata=None
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
294 error = u"Hash mismatch: given={algo}:{given}, calculated={algo}:{our}".format(
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
295 algo = file_data['hash_algo'],
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
296 given = hash_given,
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
297 our = hash_)
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
298
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
299 self._j.delayedContentTerminate(session, content_name, profile=profile)
1626
63cef4dbf2a4 core, plugins file, XEP-0234, bridge: progression api enhancement:
Goffi <goffi@goffi.org>
parents: 1620
diff changeset
300 content_data['file_obj'].close(progress_metadata, error)
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
301 # we may have the last_try timer still active, so we try to cancel it
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
302 try:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
303 content_data['last_try_timer'].cancel()
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
304 except (KeyError, internet_error.AlreadyCalled):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
305 pass
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
306 return True
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
307
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
308 def _finishedCb(self, dummy, session, content_name, content_data, profile):
1753
27a140aa5023 plugin XEP-0234: log file transfer "terminated" instead of "completed", as the file may not be complete (check is done after)
Goffi <goffi@goffi.org>
parents: 1669
diff changeset
309 log.info(u"File transfer terminated")
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
310 if content_data['senders'] != session['role']:
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
311 # we terminate the session only if we are the receiver,
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
312 # as recommanded in XEP-0234 §2 (after example 6)
1620
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
313 content_data['transfer_finished'] = True
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
314 if not self._receiverTryTerminate(session, content_name, content_data, profile=profile):
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
315 # we have not received the hash yet, we wait 5 more seconds
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
316 content_data['last_try_timer'] = reactor.callLater(
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
317 5, self._receiverTryTerminate, session, content_name, content_data, last_try=True, profile=profile)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
318 else:
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
319 # we are the sender, we send the checksum
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
320 self._sendCheckSum(session, content_name, content_data, profile)
4dd07d026214 plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents: 1618
diff changeset
321 content_data['file_obj'].close()
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
322
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
323 def _finishedEb(self, failure, session, content_name, content_data, profile):
1669
697effba0310 plugin pipe: rewritten plugin as a jingle application. The current implentation can, in some cases, block the backend, and is experimental only. Improvments are needed in the future.
Goffi <goffi@goffi.org>
parents: 1626
diff changeset
324 log.warning(u"Error while streaming file: {}".format(failure))
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1571
diff changeset
325 content_data['file_obj'].close()
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
326 self._j.contentTerminate(session, content_name, reason=self._j.REASON_FAILED_TRANSPORT, profile=profile)
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
327
1528
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
328
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
329 class XEP_0234_handler(XMPPHandler):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
330 implements(iwokkel.IDisco)
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
331
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
332 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
333 return [disco.DiscoFeature(NS_JINGLE_FT)]
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
334
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
335 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
1c71d7335d02 plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
336 return []