annotate sat/plugins/plugin_xep_0049.py @ 2624:56f94936df1e

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author Goffi <goffi@goffi.org>
date Wed, 27 Jun 2018 20:14:46 +0200
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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