Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0261.py @ 1727:68e498b3367e
reverted revision 2ebe66a96d05
author | souliane <souliane@mailoo.org> |
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date | Tue, 08 Dec 2015 16:55:54 +0100 |
parents | 25906c0dbc63 |
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rev | line source |
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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 (XEP-0261) |
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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 _ |
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21 from sat.core.log import getLogger |
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22 log = getLogger(__name__) |
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23 from wokkel import disco, iwokkel |
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24 from zope.interface import implements |
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25 from twisted.words.xish import domish |
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26 import uuid |
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27 |
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28 try: |
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29 from twisted.words.protocols.xmlstream import XMPPHandler |
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30 except ImportError: |
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31 from wokkel.subprotocols import XMPPHandler |
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32 |
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33 |
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34 NS_JINGLE_IBB = 'urn:xmpp:jingle:transports:ibb:1' |
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35 |
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36 PLUGIN_INFO = { |
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37 "name": "Jingle In-Band Bytestreams", |
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38 "import_name": "XEP-0261", |
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39 "type": "XEP", |
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40 "protocols": ["XEP-0261"], |
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41 "dependencies": ["XEP-0166", "XEP-0047"], |
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42 "main": "XEP_0261", |
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43 "handler": "yes", |
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44 "description": _("""Implementation of Jingle In-Band Bytestreams""") |
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45 } |
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46 |
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47 |
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48 class XEP_0261(object): |
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49 NAMESPACE = NS_JINGLE_IBB # used by XEP-0260 plugin for transport-replace |
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50 |
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51 def __init__(self, host): |
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52 log.info(_("plugin Jingle In-Band Bytestreams")) |
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53 self.host = host |
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54 self._j = host.plugins["XEP-0166"] # shortcut to access jingle |
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55 self._ibb = host.plugins["XEP-0047"] # and in-band bytestream |
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56 self._j.registerTransport(NS_JINGLE_IBB, self._j.TRANSPORT_STREAMING, self, -10000) # must be the lowest priority |
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57 |
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58 def getHandler(self, profile): |
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59 return XEP_0261_handler() |
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60 |
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61 def jingleSessionInit(self, session, content_name, profile): |
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62 transport_elt = domish.Element((NS_JINGLE_IBB, "transport")) |
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63 content_data = session['contents'][content_name] |
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64 transport_data = content_data['transport_data'] |
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65 transport_data['block_size'] = self._ibb.BLOCK_SIZE |
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66 transport_elt['block-size'] = unicode(transport_data['block_size']) |
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67 transport_elt['sid'] = transport_data['sid'] = unicode(uuid.uuid4()) |
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68 return transport_elt |
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69 |
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70 def jingleHandler(self, action, session, content_name, transport_elt, profile): |
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71 content_data = session['contents'][content_name] |
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72 transport_data = content_data['transport_data'] |
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73 if action in (self._j.A_SESSION_ACCEPT, |
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74 self._j.A_ACCEPTED_ACK, |
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75 self._j.A_TRANSPORT_ACCEPT): |
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76 pass |
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77 elif action in (self._j.A_SESSION_INITIATE, self._j.A_TRANSPORT_REPLACE): |
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78 transport_data['sid'] = transport_elt['sid'] |
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79 elif action in (self._j.A_START, self._j.A_PREPARE_RESPONDER): |
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80 peer_jid = session['peer_jid'] |
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81 sid = transport_data['sid'] |
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82 file_obj = content_data['file_obj'] |
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83 if action == self._j.A_START: |
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84 block_size = transport_data['block_size'] |
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85 d = self._ibb.startStream(file_obj, peer_jid, sid, block_size, profile) |
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86 d.chainDeferred(content_data['finished_d']) |
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87 else: |
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88 d = self._ibb.createSession(file_obj, peer_jid, sid, profile) |
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89 d.chainDeferred(content_data['finished_d']) |
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90 else: |
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91 log.warning(u"FIXME: unmanaged action {}".format(action)) |
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92 return transport_elt |
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93 |
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94 |
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95 class XEP_0261_handler(XMPPHandler): |
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96 implements(iwokkel.IDisco) |
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97 |
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98 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
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99 return [disco.DiscoFeature(NS_JINGLE_IBB)] |
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100 |
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101 def getDiscoItems(self, requestor, target, nodeIdentifier=''): |
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102 return [] |