annotate sat/plugins/plugin_xep_0049.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 managing xep-0049
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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
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24 log = getLogger(__name__)
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25 from wokkel import compat
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26 from twisted.words.xish import domish
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28
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29 PLUGIN_INFO = {
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30 C.PI_NAME: "XEP-0049 Plugin",
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31 C.PI_IMPORT_NAME: "XEP-0049",
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32 C.PI_TYPE: "XEP",
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33 C.PI_PROTOCOLS: ["XEP-0049"],
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34 C.PI_DEPENDENCIES: [],
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35 C.PI_MAIN: "XEP_0049",
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36 C.PI_HANDLER: "no",
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37 C.PI_DESCRIPTION: _("""Implementation of private XML storage"""),
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38 }
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40
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41 class XEP_0049(object):
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42 NS_PRIVATE = "jabber:iq:private"
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43
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44 def __init__(self, host):
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45 log.info(_("Plugin XEP-0049 initialization"))
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46 self.host = host
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47
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48 def privateXMLStore(self, element, profile_key):
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49 """Store private data
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50 @param element: domish.Element to store (must have a namespace)
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51 @param profile_key: %(doc_profile_key)s
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52
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53 """
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54 assert isinstance(element, domish.Element)
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55 client = self.host.getClient(profile_key)
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56 # XXX: feature announcement in disco#info is not mandatory in XEP-0049, so we have to try to use private XML, and react according to the answer
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57 iq_elt = compat.IQ(client.xmlstream)
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58 query_elt = iq_elt.addElement("query", XEP_0049.NS_PRIVATE)
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59 query_elt.addChild(element)
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60 return iq_elt.send()
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62 def privateXMLGet(self, node_name, namespace, profile_key):
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63 """Store private data
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64 @param node_name: name of the node to get
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65 @param namespace: namespace of the node to get
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66 @param profile_key: %(doc_profile_key)s
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67 @return (domish.Element): a deferred which fire the stored data
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69 """
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70 client = self.host.getClient(profile_key)
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71 # XXX: see privateXMLStore note about feature checking
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72 iq_elt = compat.IQ(client.xmlstream, "get")
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73 query_elt = iq_elt.addElement("query", XEP_0049.NS_PRIVATE)
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74 query_elt.addElement(node_name, namespace)
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75
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76 def getCb(answer_iq_elt):
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77 answer_query_elt = answer_iq_elt.elements(XEP_0049.NS_PRIVATE, "query").next()
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78 return answer_query_elt.firstChildElement()
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79
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80 d = iq_elt.send()
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81 d.addCallback(getCb)
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82 return d