Mercurial > libervia-backend
annotate plugins/plugin_xep_0096.py @ 203:c75e56ec054a
i18n: fixed typo
author | Goffi <goffi@goffi.org> |
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date | Fri, 20 Aug 2010 01:15:12 +0800 |
parents | f271fff3a713 |
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rev | line source |
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0 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
4 """ | |
5 SAT plugin for managing xep-0096 | |
57 | 6 Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org) |
0 | 7 |
8 This program is free software: you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation, either version 3 of the License, or | |
11 (at your option) any later version. | |
12 | |
13 This program is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 """ | |
21 | |
22 from logging import debug, info, error | |
23 from twisted.words.xish import domish | |
24 from twisted.internet import protocol | |
64 | 25 from twisted.words.protocols.jabber import client, jid |
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26 from twisted.words.protocols.jabber import error as jab_error |
0 | 27 import os.path |
28 from twisted.internet import reactor #FIXME best way ??? | |
1 | 29 import pdb |
0 | 30 |
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31 from zope.interface import implements |
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32 |
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33 try: |
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34 from twisted.words.protocols.xmlstream import XMPPHandler |
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35 except ImportError: |
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36 from wokkel.subprotocols import XMPPHandler |
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37 |
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38 from wokkel import disco, iwokkel |
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39 |
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40 IQ_SET = '/iq[@type="set"]' |
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41 NS_SI = 'http://jabber.org/protocol/si' |
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42 SI_REQUEST = IQ_SET + '/si[@xmlns="' + NS_SI + '"]' |
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43 |
0 | 44 PLUGIN_INFO = { |
45 "name": "XEP 0096 Plugin", | |
46 "import_name": "XEP_0096", | |
47 "type": "XEP", | |
48 | 48 "protocols": ["XEP-0096"], |
0 | 49 "dependencies": ["XEP_0065"], |
50 "main": "XEP_0096", | |
64 | 51 "handler": "yes", |
69 | 52 "description": _("""Implementation of SI File Transfert""") |
0 | 53 } |
54 | |
64 | 55 class XEP_0096(): |
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56 |
0 | 57 def __init__(self, host): |
69 | 58 info(_("Plugin XEP_0096 initialization")) |
0 | 59 self.host = host |
60 self._waiting_for_approval = {} | |
64 | 61 host.bridge.addMethod("sendFile", ".communication", in_sign='sss', out_sign='s', method=self.sendFile) |
0 | 62 |
72 | 63 def getHandler(self, profile): |
64 | 64 return XEP_0096_handler(self) |
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65 |
64 | 66 def xep_96(self, IQ, profile): |
69 | 67 info (_("XEP-0096 management")) |
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68 IQ.handled=True |
0 | 69 SI_elem = IQ.firstChildElement() |
70 debug(SI_elem.toXml()) | |
71 filename = "" | |
72 file_size = "" | |
73 for element in SI_elem.elements(): | |
74 if element.name == "file": | |
69 | 75 info (_("File proposed: name=[%(name)s] size=%(size)s") % {'name':element['name'], 'size':element['size']}) |
0 | 76 filename = element["name"] |
77 file_size = element["size"] | |
78 elif element.name == "feature": | |
79 from_jid = IQ["from"] | |
64 | 80 self._waiting_for_approval[IQ["id"]] = (element, from_jid, file_size, profile) |
0 | 81 data={ "filename":filename, "from":from_jid, "size":file_size } |
82 self.host.askConfirmation(IQ["id"], "FILE_TRANSFERT", data, self.confirmationCB) | |
83 | |
84 def confirmationCB(self, id, accepted, data): | |
85 """Called on confirmation answer""" | |
86 if accepted: | |
87 data['size'] = self._waiting_for_approval[id][2] | |
88 self.host.plugins["XEP_0065"].setData(data, id) | |
89 self.approved(id) | |
90 else: | |
69 | 91 debug (_("Transfert [%s] refused"), id) |
0 | 92 del(self._waiting_for_approval[id]) |
93 | |
94 def approved(self, id): | |
95 """must be called when a file transfert has be accepted by client""" | |
69 | 96 debug (_("Transfert [%s] accepted"), id) |
0 | 97 |
98 if ( not self._waiting_for_approval.has_key(id) ): | |
69 | 99 error (_("Approved unknow id !")) |
0 | 100 #TODO: manage this (maybe approved by several frontends) |
101 else: | |
64 | 102 element, from_id, size, profile = self._waiting_for_approval[id] |
0 | 103 del(self._waiting_for_approval[id]) |
64 | 104 self.negociate(element, id, from_id, profile) |
0 | 105 |
64 | 106 def negociate(self, feat_elem, id, to_jid, profile): |
0 | 107 #TODO: put this in a plugin |
108 #FIXME: over ultra mega ugly, need to be generic | |
64 | 109 client = self.host.getClient(profile) |
110 assert(client) | |
69 | 111 info (_("Feature negociation")) |
0 | 112 data = feat_elem.firstChildElement() |
113 field = data.firstChildElement() | |
114 #FIXME: several options ! Q&D code for test only | |
115 option = field.firstChildElement() | |
116 value = option.firstChildElement() | |
117 if unicode(value) == "http://jabber.org/protocol/bytestreams": | |
118 #ugly, as usual, need to be entirely rewritten (just for test !) | |
119 result = domish.Element(('', 'iq')) | |
120 result['type'] = 'result' | |
121 result['id'] = id | |
122 result['to'] = to_jid | |
123 si = result.addElement('si', 'http://jabber.org/protocol/si') | |
124 file = si.addElement('file', 'http://jabber.org/protocol/si/profile/file-transfer') | |
125 feature = si.addElement('feature', 'http://jabber.org/protocol/feature-neg') | |
126 x = feature.addElement('x', 'jabber:x:data') | |
127 x['type'] = 'submit' | |
128 field = x.addElement('field') | |
129 field['var'] = 'stream-method' | |
130 value = field.addElement('value') | |
131 value.addContent('http://jabber.org/protocol/bytestreams') | |
64 | 132 client.xmlstream.send(result) |
0 | 133 |
64 | 134 def fileCB(self, answer, xmlstream, current_jid): |
0 | 135 if answer['type']=="result": #FIXME FIXME FIXME ugly ugly ugly ! and temp FIXME FIXME FIXME |
136 info("SENDING UGLY ANSWER") | |
64 | 137 offer=client.IQ(xmlstream,'set') |
138 offer["from"]=current_jid.full() | |
0 | 139 offer["to"]=answer['from'] |
140 query=offer.addElement('query', 'http://jabber.org/protocol/bytestreams') | |
141 query['mode']='tcp' | |
142 streamhost=query.addElement('streamhost') | |
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143 streamhost['host']=self.host.memory.getParamA("IP", "File Transfert") |
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144 streamhost['port']=self.host.memory.getParamA("Port", "File Transfert") |
64 | 145 streamhost['jid']=current_jid.full() |
0 | 146 offer.send() |
147 | |
64 | 148 def sendFile(self, to, filepath, profile_key='@DEFAULT@'): |
0 | 149 """send a file using XEP-0096 |
150 Return an unique id to identify the transfert | |
151 """ | |
64 | 152 current_jid, xmlstream = self.host.getJidNStream(profile_key) |
153 if not xmlstream: | |
69 | 154 error (_('Asking for an non-existant or not connected profile')) |
64 | 155 return "" |
0 | 156 debug ("sendfile (%s) to %s", filepath, to ) |
157 print type(filepath), type(to) | |
158 | |
159 statinfo = os.stat(filepath) | |
160 | |
64 | 161 offer=client.IQ(xmlstream,'set') |
0 | 162 debug ("Transfert ID: %s", offer["id"]) |
163 | |
164 self.host.plugins["XEP_0065"].sendFile(offer["id"], filepath, str(statinfo.st_size)) | |
165 | |
64 | 166 offer["from"]=current_jid.full() |
0 | 167 offer["to"]=jid.JID(to).full() |
168 si=offer.addElement('si','http://jabber.org/protocol/si') | |
169 si["mime-type"]='text/plain' | |
170 si["profile"]='http://jabber.org/protocol/si/profile/file-transfer' | |
8 | 171 file = si.addElement('file', 'http://jabber.org/protocol/si/profile/file-transfer') |
0 | 172 file['name']=os.path.basename(filepath) |
173 file['size']=str(statinfo.st_size) | |
174 | |
175 ### | |
176 # FIXME: Ugly temporary hard coded implementation of XEP-0020 & XEP-0004, | |
177 # Need to be recoded elsewhere in a more generic way | |
178 ### | |
179 | |
180 feature=si.addElement('feature', "http://jabber.org/protocol/feature-neg") | |
181 x=feature.addElement('x', "jabber:x:data") | |
182 x['type']='form' | |
183 field=x.addElement('field') | |
184 field['type']='list-single' | |
185 field['var']='stream-method' | |
186 option = field.addElement('option') | |
187 value = option.addElement('value', content='http://jabber.org/protocol/bytestreams') | |
188 | |
64 | 189 offer.addCallback(self.fileCB, current_jid = current_jid, xmlstream = xmlstream) |
0 | 190 offer.send() |
191 return offer["id"] #XXX: using IQ id as file transfert id seems OK as IQ id are required | |
192 | |
64 | 193 class XEP_0096_handler(XMPPHandler): |
194 implements(iwokkel.IDisco) | |
195 | |
196 def __init__(self, plugin_parent): | |
197 self.plugin_parent = plugin_parent | |
198 self.host = plugin_parent.host | |
199 | |
200 def connectionInitialized(self): | |
201 self.xmlstream.addObserver(SI_REQUEST, self.plugin_parent.xep_96, profile = self.parent.profile) | |
202 | |
203 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): | |
204 return [disco.DiscoFeature(NS_SI)] | |
205 | |
206 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
207 return [] | |
208 |