annotate sat/plugins/plugin_xep_0203.py @ 2661:661f66d41215

core (xmpp): send initial presence only after all profileConnected have been treated: presence is now sent after profileConnected methods are done, this avoid to have to deal with synchronisation in connection event. For instance, PEP events should not be sent before presence is sent, so profileConnected methods can assume PEP events are not done yet, and do needed initialisation using async method if necessary. This has been done to avoid overcomplicated synchronisation in XEP-0384 plugin (network calls are needed to initialise session, but PEP events need an initialised session to be treated).
author Goffi <goffi@goffi.org>
date Sat, 11 Aug 2018 18:24:55 +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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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 []