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annotate src/plugins/plugin_xep_0261.py @ 1596:b7ee113183fc

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jp: better profile commands: - new "profile/default" command - info doesn't show password anymore by default, need to be explicitly requested - info and modify don't need to connect anymore - modify can now set default profile. As use_profile is set, at least a profile session need to be started when it would not be mandatory technicaly (if just setting the profile as default is needed). But this option should not be used often, and it's not a big side effect, so I don't feel the need to create a new dedicated command, or to do complicated checks to avoid the session start.
author Goffi <goffi@goffi.org>
date Sat, 14 Nov 2015 19:18:10 +0100
parents c668081eba1c
children 25906c0dbc63
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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bfef1934a8f3 plugin XEP-0261: jingle in-band bystream first draft
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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
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50 def __init__(self, host):
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51 log.info(_("plugin Jingle In-Band Bytestreams"))
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52 self.host = host
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53 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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54 self._ibb = host.plugins["XEP-0047"] # and in-band bytestream
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55 self._j.registerTransport(NS_JINGLE_IBB, self._j.TRANSPORT_STREAMING, self, -10000) # must be the lowest priority
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56
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57 def getHandler(self, profile):
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58 return XEP_0261_handler()
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59
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60 def jingleSessionInit(self, session, content_name, profile):
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61 transport_elt = domish.Element((NS_JINGLE_IBB, "transport"))
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62 content_data = session['contents'][content_name]
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63 transport_data = content_data['transport_data']
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64 transport_data['block_size'] = self._ibb.BLOCK_SIZE
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65 transport_elt['block-size'] = unicode(transport_data['block_size'])
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66 transport_elt['sid'] = transport_data['sid'] = unicode(uuid.uuid4())
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67 return transport_elt
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68
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69 def jingleHandler(self, action, session, content_name, transport_elt, profile):
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70 content_data = session['contents'][content_name]
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71 transport_data = content_data['transport_data']
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72 if action in (self._j.A_SESSION_ACCEPT, self._j.A_ACCEPTED_ACK):
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73 pass
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74 elif action == self._j.A_SESSION_INITIATE:
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75 transport_data['sid'] = transport_elt['sid']
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76 elif action in (self._j.A_START, self._j.A_PREPARE_RESPONDER):
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77 peer_jid = session['peer_jid']
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78 sid = transport_data['sid']
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79 file_obj = content_data['file_obj']
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80 if action == self._j.A_START:
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81 block_size = transport_data['block_size']
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82 d = self._ibb.startStream(file_obj, peer_jid, sid, block_size, profile)
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83 d.chainDeferred(content_data['finished_d'])
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84 else:
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85 d = self._ibb.createSession(file_obj, peer_jid, sid, profile)
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86 d.chainDeferred(content_data['finished_d'])
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87 else:
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88 log.warning(u"FIXME: unmanaged action {}".format(action))
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89 return transport_elt
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90
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91
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92 class XEP_0261_handler(XMPPHandler):
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93 implements(iwokkel.IDisco)
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94
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95 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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96 return [disco.DiscoFeature(NS_JINGLE_IBB)]
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97
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98 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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99 return []