Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0096.py @ 307:1e4575e12581
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| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 07 Apr 2011 22:23:48 +0200 |
| parents | 7c79d4a8c9e6 |
| children | f964dcec1611 |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 SAT plugin for managing xep-0096 | |
| 228 | 6 Copyright (C) 2009, 2010, 2011 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", | |
| 291 | 46 "import_name": "XEP-0096", |
| 0 | 47 "type": "XEP", |
| 48 | 48 "protocols": ["XEP-0096"], |
| 291 | 49 "dependencies": ["XEP-0065"], |
| 0 | 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] | |
| 291 | 88 self.host.plugins["XEP-0065"].setData(data, id) |
| 0 | 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 | |
| 291 | 164 self.host.plugins["XEP-0065"].sendFile(offer["id"], filepath, str(statinfo.st_size)) |
| 0 | 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 |