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annotate sat/plugins/plugin_xep_0261.py @ 2617:81b70eeb710f

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quick_frontend(contact list): refactored update: update is now called with appropriate constant value (C.UPDATE_ADD, C.UPDATE_DELETE, C.UPDATE_MODIFY and so on) when a widget change visibility according to current options. Before it was linked to cache only (C.UPDATE_ADD was only called when contact was first added to cache). This make widget handling in frontends more easy. Renamed entityToShow to entityVisible, which seems to correspond better. Started reducing lines lenght to 90 chars as a test. May become the new coding style soon.
author Goffi <goffi@goffi.org>
date Sun, 24 Jun 2018 21:59:29 +0200
parents 26edcf3a30eb
children 56f94936df1e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
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1 #!/usr/bin/env python2
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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) 2009-2018 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.constants import Const as C
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22 from sat.core.log import getLogger
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23 log = getLogger(__name__)
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24 from wokkel import disco, iwokkel
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25 from zope.interface import implements
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26 from twisted.words.xish import domish
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27 import uuid
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28
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29 try:
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30 from twisted.words.protocols.xmlstream import XMPPHandler
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31 except ImportError:
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32 from wokkel.subprotocols import XMPPHandler
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34
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35 NS_JINGLE_IBB = 'urn:xmpp:jingle:transports:ibb:1'
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36
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Jingle In-Band Bytestreams",
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39 C.PI_IMPORT_NAME: "XEP-0261",
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40 C.PI_TYPE: "XEP",
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41 C.PI_MODES: C.PLUG_MODE_BOTH,
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42 C.PI_PROTOCOLS: ["XEP-0261"],
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43 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0047"],
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44 C.PI_MAIN: "XEP_0261",
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45 C.PI_HANDLER: "yes",
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46 C.PI_DESCRIPTION: _("""Implementation of Jingle In-Band Bytestreams""")
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47 }
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48
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49
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50 class XEP_0261(object):
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51 NAMESPACE = NS_JINGLE_IBB # used by XEP-0260 plugin for transport-replace
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52
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53 def __init__(self, host):
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54 log.info(_("plugin Jingle In-Band Bytestreams"))
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55 self.host = host
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56 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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57 self._ibb = host.plugins["XEP-0047"] # and in-band bytestream
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58 self._j.registerTransport(NS_JINGLE_IBB, self._j.TRANSPORT_STREAMING, self, -10000) # must be the lowest priority
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59
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60 def getHandler(self, client):
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61 return XEP_0261_handler()
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62
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63 def jingleSessionInit(self, client, session, content_name):
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64 transport_elt = domish.Element((NS_JINGLE_IBB, "transport"))
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65 content_data = session['contents'][content_name]
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66 transport_data = content_data['transport_data']
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67 transport_data['block_size'] = self._ibb.BLOCK_SIZE
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68 transport_elt['block-size'] = unicode(transport_data['block_size'])
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69 transport_elt['sid'] = transport_data['sid'] = unicode(uuid.uuid4())
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70 return transport_elt
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71
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72 def jingleHandler(self, client, action, session, content_name, transport_elt):
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73 content_data = session['contents'][content_name]
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74 transport_data = content_data['transport_data']
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75 if action in (self._j.A_SESSION_ACCEPT,
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76 self._j.A_ACCEPTED_ACK,
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77 self._j.A_TRANSPORT_ACCEPT):
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78 pass
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79 elif action in (self._j.A_SESSION_INITIATE, self._j.A_TRANSPORT_REPLACE):
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80 transport_data['sid'] = transport_elt['sid']
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81 elif action in (self._j.A_START, self._j.A_PREPARE_RESPONDER):
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82 peer_jid = session['peer_jid']
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83 sid = transport_data['sid']
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84 stream_object = content_data['stream_object']
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85 if action == self._j.A_START:
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86 block_size = transport_data['block_size']
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87 d = self._ibb.startStream(client, stream_object, peer_jid, sid, block_size)
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88 d.chainDeferred(content_data['finished_d'])
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89 else:
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90 d = self._ibb.createSession(client, stream_object, peer_jid, sid)
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91 d.chainDeferred(content_data['finished_d'])
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92 else:
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93 log.warning(u"FIXME: unmanaged action {}".format(action))
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94 return transport_elt
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95
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96
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97 class XEP_0261_handler(XMPPHandler):
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98 implements(iwokkel.IDisco)
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99
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100 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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101 return [disco.DiscoFeature(NS_JINGLE_IBB)]
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102
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103 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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104 return []