Mercurial > libervia-backend
annotate plugins/plugin_xep_0096.py @ 19:f2a745ca0fbc
refactoring: using xml params part III (parameters import)
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 07 Nov 2009 21:23:28 +0100 |
| parents | 218ec9984fa5 |
| children | bb72c29f3432 |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 SAT plugin for managing xep-0096 | |
| 6 Copyright (C) 2009 Jérôme Poisson (goffi@goffi.org) | |
| 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 | |
| 25 from twisted.words.protocols.jabber import client, jid, xmlstream, error | |
| 26 import os.path | |
| 27 from twisted.internet import reactor #FIXME best way ??? | |
| 1 | 28 import pdb |
| 0 | 29 |
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30 from zope.interface import implements |
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31 |
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32 try: |
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33 from twisted.words.protocols.xmlstream import XMPPHandler |
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34 except ImportError: |
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35 from wokkel.subprotocols import XMPPHandler |
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36 |
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37 from wokkel import disco, iwokkel |
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38 |
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39 IQ_SET = '/iq[@type="set"]' |
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40 NS_SI = 'http://jabber.org/protocol/si' |
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41 SI_REQUEST = IQ_SET + '/si[@xmlns="' + NS_SI + '"]' |
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42 |
| 0 | 43 PLUGIN_INFO = { |
| 44 "name": "XEP 0096 Plugin", | |
| 45 "import_name": "XEP_0096", | |
| 46 "type": "XEP", | |
| 47 "dependencies": ["XEP_0065"], | |
| 48 "main": "XEP_0096", | |
| 49 "description": """Implementation of SI File Transfert""" | |
| 50 } | |
| 51 | |
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52 class XEP_0096(XMPPHandler): |
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53 implements(iwokkel.IDisco) |
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54 |
| 0 | 55 def __init__(self, host): |
| 56 info("Plugin XEP_0096 initialization") | |
| 57 self.host = host | |
| 58 self._waiting_for_approval = {} | |
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59 host.bridge.addMethod("sendFile", ".communication", in_sign='ss', out_sign='s', method=self.sendFile) |
| 0 | 60 |
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61 def connectionInitialized(self): |
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62 self.xmlstream.addObserver(SI_REQUEST, self.xep_96) |
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63 |
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64 |
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65 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
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66 return [disco.DiscoFeature(NS_SI)] |
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67 |
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68 def getDiscoItems(self, requestor, target, nodeIdentifier=''): |
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69 return [] |
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70 |
| 0 | 71 def xep_96(self, IQ): |
| 72 info ("XEP-0096 management") | |
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73 IQ.handled=True |
| 0 | 74 SI_elem = IQ.firstChildElement() |
| 75 debug(SI_elem.toXml()) | |
| 76 filename = "" | |
| 77 file_size = "" | |
| 78 for element in SI_elem.elements(): | |
| 79 if element.name == "file": | |
| 80 info ("File proposed: name=[%s] size=%s", element['name'], element['size']) | |
| 81 filename = element["name"] | |
| 82 file_size = element["size"] | |
| 83 elif element.name == "feature": | |
| 84 from_jid = IQ["from"] | |
| 85 self._waiting_for_approval[IQ["id"]] = (element, from_jid, file_size) | |
| 86 data={ "filename":filename, "from":from_jid, "size":file_size } | |
| 87 self.host.askConfirmation(IQ["id"], "FILE_TRANSFERT", data, self.confirmationCB) | |
| 88 | |
| 89 def confirmationCB(self, id, accepted, data): | |
| 90 """Called on confirmation answer""" | |
| 91 if accepted: | |
| 92 data['size'] = self._waiting_for_approval[id][2] | |
| 93 self.host.plugins["XEP_0065"].setData(data, id) | |
| 94 self.approved(id) | |
| 95 else: | |
| 96 debug ("Transfert [%s] refused", id) | |
| 97 del(self._waiting_for_approval[id]) | |
| 98 | |
| 99 def approved(self, id): | |
| 100 """must be called when a file transfert has be accepted by client""" | |
| 101 debug ("Transfert [%s] accepted", id) | |
| 102 | |
| 103 if ( not self._waiting_for_approval.has_key(id) ): | |
| 104 error ("Approved unknow id !") | |
| 105 #TODO: manage this (maybe approved by several frontends) | |
| 106 else: | |
| 107 element, from_id, size = self._waiting_for_approval[id] | |
| 108 del(self._waiting_for_approval[id]) | |
| 109 self.negociate(element, id, from_id) | |
| 110 | |
| 111 def negociate(self, feat_elem, id, to_jid): | |
| 112 #TODO: put this in a plugin | |
| 113 #FIXME: over ultra mega ugly, need to be generic | |
| 114 info ("Feature negociation") | |
| 115 data = feat_elem.firstChildElement() | |
| 116 field = data.firstChildElement() | |
| 117 #FIXME: several options ! Q&D code for test only | |
| 118 option = field.firstChildElement() | |
| 119 value = option.firstChildElement() | |
| 120 if unicode(value) == "http://jabber.org/protocol/bytestreams": | |
| 121 #ugly, as usual, need to be entirely rewritten (just for test !) | |
| 122 result = domish.Element(('', 'iq')) | |
| 123 result['type'] = 'result' | |
| 124 result['id'] = id | |
| 125 result['to'] = to_jid | |
| 126 si = result.addElement('si', 'http://jabber.org/protocol/si') | |
| 127 file = si.addElement('file', 'http://jabber.org/protocol/si/profile/file-transfer') | |
| 128 feature = si.addElement('feature', 'http://jabber.org/protocol/feature-neg') | |
| 129 x = feature.addElement('x', 'jabber:x:data') | |
| 130 x['type'] = 'submit' | |
| 131 field = x.addElement('field') | |
| 132 field['var'] = 'stream-method' | |
| 133 value = field.addElement('value') | |
| 134 value.addContent('http://jabber.org/protocol/bytestreams') | |
| 135 self.host.xmlstream.send(result) | |
| 136 | |
| 137 def fileCB(self, answer): | |
| 138 if answer['type']=="result": #FIXME FIXME FIXME ugly ugly ugly ! and temp FIXME FIXME FIXME | |
| 139 info("SENDING UGLY ANSWER") | |
| 140 offer=client.IQ(self.host.xmlstream,'set') | |
| 141 offer["from"]=self.host.me.full() | |
| 142 offer["to"]=answer['from'] | |
| 143 query=offer.addElement('query', 'http://jabber.org/protocol/bytestreams') | |
| 144 query['mode']='tcp' | |
| 145 streamhost=query.addElement('streamhost') | |
| 146 streamhost['host']=self.host.memory.getParamV("IP", "File Transfert") | |
| 147 streamhost['port']=self.host.memory.getParamV("Port", "File Transfert") | |
| 148 streamhost['jid']=self.host.me.full() | |
| 149 offer.send() | |
| 150 | |
| 151 | |
| 152 | |
| 153 | |
| 154 def sendFile(self, to, filepath): | |
| 155 """send a file using XEP-0096 | |
| 156 Return an unique id to identify the transfert | |
| 157 """ | |
| 158 debug ("sendfile (%s) to %s", filepath, to ) | |
| 159 print type(filepath), type(to) | |
| 160 | |
| 161 statinfo = os.stat(filepath) | |
| 162 | |
| 163 offer=client.IQ(self.host.xmlstream,'set') | |
| 164 debug ("Transfert ID: %s", offer["id"]) | |
| 165 | |
| 166 self.host.plugins["XEP_0065"].sendFile(offer["id"], filepath, str(statinfo.st_size)) | |
| 167 | |
| 168 offer["from"]=self.host.me.full() | |
| 169 offer["to"]=jid.JID(to).full() | |
| 170 si=offer.addElement('si','http://jabber.org/protocol/si') | |
| 171 si["mime-type"]='text/plain' | |
| 172 si["profile"]='http://jabber.org/protocol/si/profile/file-transfer' | |
| 8 | 173 file = si.addElement('file', 'http://jabber.org/protocol/si/profile/file-transfer') |
| 0 | 174 file['name']=os.path.basename(filepath) |
| 175 file['size']=str(statinfo.st_size) | |
| 176 | |
| 177 ### | |
| 178 # FIXME: Ugly temporary hard coded implementation of XEP-0020 & XEP-0004, | |
| 179 # Need to be recoded elsewhere in a more generic way | |
| 180 ### | |
| 181 | |
| 182 feature=si.addElement('feature', "http://jabber.org/protocol/feature-neg") | |
| 183 x=feature.addElement('x', "jabber:x:data") | |
| 184 x['type']='form' | |
| 185 field=x.addElement('field') | |
| 186 field['type']='list-single' | |
| 187 field['var']='stream-method' | |
| 188 option = field.addElement('option') | |
| 189 value = option.addElement('value', content='http://jabber.org/protocol/bytestreams') | |
| 190 | |
| 191 offer.addCallback(self.fileCB) | |
| 192 offer.send() | |
| 193 return offer["id"] #XXX: using IQ id as file transfert id seems OK as IQ id are required | |
| 194 |