annotate sat/plugins/plugin_xep_0203.py @ 2646:712cb4ff3e13

core: new EncryptionHandler class which manage encrypted session as a core feature: Plugin handling encryption can now register using host.registerEncryptionPlugin, and an encryption session can now be started using messageEncryptionStart bridge method. This will make encryption handling more easy, as we now know if a session is clear or e2e encrypted, and which plugin handle it.
author Goffi <goffi@goffi.org>
date Sun, 29 Jul 2018 19:22:56 +0200
parents 56f94936df1e
children 003b8b4b56a7
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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 Delayed Delivery (XEP-0203)
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5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 from sat.core.i18n import _
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22 from sat.core.constants import Const as C
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23 from sat.core.log import getLogger
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24
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25 log = getLogger(__name__)
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26
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27 from wokkel import disco, iwokkel, delay
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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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33 from zope.interface import implements
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35
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36 NS_DD = "urn:xmpp:delay"
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37
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38 PLUGIN_INFO = {
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39 C.PI_NAME: "Delayed Delivery",
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40 C.PI_IMPORT_NAME: "XEP-0203",
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41 C.PI_TYPE: "XEP",
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42 C.PI_PROTOCOLS: ["XEP-0203"],
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43 C.PI_MAIN: "XEP_0203",
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44 C.PI_HANDLER: "yes",
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45 C.PI_DESCRIPTION: _("""Implementation of Delayed Delivery"""),
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46 }
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49 class XEP_0203(object):
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50 def __init__(self, host):
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51 log.info(_("Delayed Delivery plugin initialization"))
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52 self.host = host
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53
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54 def getHandler(self, client):
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55 return XEP_0203_handler(self, client.profile)
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56
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57 def delay(self, stamp, sender=None, desc="", parent=None):
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58 """Build a delay element, eventually append it to the given parent element.
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59
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60 @param stamp (datetime): offset-aware timestamp of the original sending.
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61 @param sender (JID): entity that originally sent or delayed the message.
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62 @param desc (unicode): optional natural language description.
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63 @param parent (domish.Element): add the delay element to this element.
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64 @return: the delay element (domish.Element)
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65 """
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66 elt = delay.Delay(stamp, sender).toElement()
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67 if desc:
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68 elt.addContent(desc)
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69 if parent:
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70 parent.addChild(elt)
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71 return elt
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74 class XEP_0203_handler(XMPPHandler):
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75 implements(iwokkel.IDisco)
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77 def __init__(self, plugin_parent, profile):
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78 self.plugin_parent = plugin_parent
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79 self.host = plugin_parent.host
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80 self.profile = profile
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81
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82 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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83 return [disco.DiscoFeature(NS_DD)]
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84
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85 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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86 return []