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annotate src/plugins/plugin_xep_0261.py @ 2309:c7a72b75232b

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jp (shell): shell command (REPL mode), first draft: This command launch jp in REPL mode, allowing do normal jp commands with some facilities. Command can be selected with "cmd" (e.g. "cmd blog"). An argument can be fixed with "use" (e.g. "use output fancy"). Command is launched with "do", or directly with its name if it doesn't conflict with a shell command. Arguments completion is still TODO (only shell commands are completed so far).
author Goffi <goffi@goffi.org>
date Thu, 06 Jul 2017 20:28:25 +0200
parents 33c8c4973743
children 8b37a62336c3
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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) 2009-2016 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_PROTOCOLS: ["XEP-0261"],
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42 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0047"],
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43 C.PI_MAIN: "XEP_0261",
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44 C.PI_HANDLER: "yes",
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45 C.PI_DESCRIPTION: _("""Implementation of Jingle In-Band Bytestreams""")
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46 }
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47
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48
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49 class XEP_0261(object):
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50 NAMESPACE = NS_JINGLE_IBB # used by XEP-0260 plugin for transport-replace
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51
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52 def __init__(self, host):
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53 log.info(_("plugin Jingle In-Band Bytestreams"))
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54 self.host = host
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55 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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56 self._ibb = host.plugins["XEP-0047"] # and in-band bytestream
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57 self._j.registerTransport(NS_JINGLE_IBB, self._j.TRANSPORT_STREAMING, self, -10000) # must be the lowest priority
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58
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59 def getHandler(self, client):
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60 return XEP_0261_handler()
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61
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62 def jingleSessionInit(self, session, content_name, profile):
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63 transport_elt = domish.Element((NS_JINGLE_IBB, "transport"))
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64 content_data = session['contents'][content_name]
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65 transport_data = content_data['transport_data']
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66 transport_data['block_size'] = self._ibb.BLOCK_SIZE
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67 transport_elt['block-size'] = unicode(transport_data['block_size'])
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68 transport_elt['sid'] = transport_data['sid'] = unicode(uuid.uuid4())
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69 return transport_elt
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70
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71 def jingleHandler(self, action, session, content_name, transport_elt, profile):
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72 content_data = session['contents'][content_name]
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73 transport_data = content_data['transport_data']
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74 if action in (self._j.A_SESSION_ACCEPT,
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75 self._j.A_ACCEPTED_ACK,
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76 self._j.A_TRANSPORT_ACCEPT):
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77 pass
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78 elif action in (self._j.A_SESSION_INITIATE, self._j.A_TRANSPORT_REPLACE):
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79 transport_data['sid'] = transport_elt['sid']
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80 elif action in (self._j.A_START, self._j.A_PREPARE_RESPONDER):
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81 peer_jid = session['peer_jid']
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82 sid = transport_data['sid']
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83 file_obj = content_data['file_obj']
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84 if action == self._j.A_START:
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85 block_size = transport_data['block_size']
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86 d = self._ibb.startStream(file_obj, peer_jid, sid, block_size, profile)
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87 d.chainDeferred(content_data['finished_d'])
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88 else:
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89 d = self._ibb.createSession(file_obj, peer_jid, sid, profile)
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90 d.chainDeferred(content_data['finished_d'])
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91 else:
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92 log.warning(u"FIXME: unmanaged action {}".format(action))
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93 return transport_elt
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94
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95
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96 class XEP_0261_handler(XMPPHandler):
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97 implements(iwokkel.IDisco)
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98
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99 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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100 return [disco.DiscoFeature(NS_JINGLE_IBB)]
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101
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102 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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103 return []