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annotate src/plugins/plugin_xep_0055.py @ 751:1def5b7edf9f

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core, bridge: better GenericException handling
author Goffi <goffi@goffi.org>
date Tue, 17 Dec 2013 00:56:39 +0100
parents 7c806491c76a
children 2f8d72226bc0
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631
694f118d0cd5 plugin XEP-0055: implementation of Jabber Search
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for Jabber Search (xep-0055)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 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.
694f118d0cd5 plugin XEP-0055: implementation of Jabber Search
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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 logging import debug, info, warning, error
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21 from twisted.words.protocols.jabber.xmlstream import IQ
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22 from twisted.words.protocols.jabber import jid
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23 from wokkel import data_form
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24 from sat.core.exceptions import DataError
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25 from sat.tools.xml_tools import dataForm2XML, dataFormResult2XML
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26
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27 NS_SEARCH = 'jabber:iq:search'
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28
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29 PLUGIN_INFO = {
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30 "name": "Jabber Search",
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31 "import_name": "XEP-0055",
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32 "type": "XEP",
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33 "protocols": ["XEP-0055"],
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34 "main": "XEP_0055",
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35 "handler": "no",
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36 "description": _("""Implementation of Jabber Search""")
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37 }
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38
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39
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40 class XEP_0055(object):
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41
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42 def __init__(self, host):
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43 info(_("Jabber search plugin initialization"))
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44 self.host = host
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45 host.bridge.addMethod("getSearchUI", ".plugin", in_sign='ss', out_sign='s',
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46 method=self._getSearchUI,
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47 async=True)
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48 host.bridge.addMethod("searchRequest", ".plugin", in_sign='sa{ss}s', out_sign='s',
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49 method=self._searchRequest,
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50 async=True)
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51
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52 def _getSearchUI(self, to_jid_s, profile_key):
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53 return self.getSearchUI(jid.JID(to_jid_s), profile_key)
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54
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55 def getSearchUI(self, to_jid, profile_key):
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56 """ Ask for a search interface
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57 @param to_jid: XEP-0055 compliant search entity
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58 @param profile_key: %(doc_profile_key)s
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59 @return: XMLUI search interface """
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60 client = self.host.getClient(profile_key)
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61 fields_request = IQ(client.xmlstream, 'get')
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62 fields_request["from"] = client.jid.full()
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63 fields_request["to"] = to_jid.full()
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64 fields_request.addElement('query', NS_SEARCH)
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65 d = fields_request.send(to_jid.full())
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66 d.addCallbacks(self._fieldsOk, self._fieldsErr, callbackArgs=[client.profile], errbackArgs=[client.profile])
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67 return d
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68
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69 def _fieldsOk(self, answer, profile):
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70 """got fields available"""
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71 try:
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72 query_elts = answer.elements('jabber:iq:search', 'query').next()
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73 except StopIteration:
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74 info(_("No query element found"))
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75 raise DataError # FIXME: StanzaError is probably more appropriate, check the RFC
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76 try:
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77 form_elt = query_elts.elements(data_form.NS_X_DATA, 'x').next()
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78 except StopIteration:
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79 info(_("No data form found"))
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80 raise NotImplementedError("Only search through data form is implemented so far")
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81 parsed_form = data_form.Form.fromElement(form_elt)
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82 return dataForm2XML(parsed_form)
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83
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84 def _fieldsErr(self, failure, profile):
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85 """ Called when something is wrong with fields request """
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86 info(_("Fields request failure: %s") % str(failure.value))
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87 return failure
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88
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89 def _searchRequest(self, to_jid_s, search_dict, profile_key):
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90 return self.searchRequest(jid.JID(to_jid_s), search_dict, profile_key)
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91
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92 def searchRequest(self, to_jid, search_dict, profile_key):
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93 """ Actually do a search, according to filled data
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94 @param to_jid: XEP-0055 compliant search entity
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95 @param search_dict: filled data, corresponding to the form obtained in getSearchUI
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96 @param profile_key: %(doc_profile_key)s
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97 @return: XMLUI search result """
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98 client = self.host.getClient(profile_key)
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99 search_request = IQ(client.xmlstream, 'set')
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100 search_request["from"] = client.jid.full()
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101 search_request["to"] = to_jid.full()
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102 query_elt = search_request.addElement('query', NS_SEARCH)
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103 x_form = data_form.Form('submit', formNamespace = NS_SEARCH)
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104 x_form.makeFields(search_dict)
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105 query_elt.addChild(x_form.toElement())
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106 d = search_request.send(to_jid.full())
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107 d.addCallbacks(self._searchOk, self._searchErr, callbackArgs=[client.profile], errbackArgs=[client.profile])
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108 return d
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109
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110 def _searchOk(self, answer, profile):
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111 """got search available"""
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112 try:
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113 query_elts = answer.elements('jabber:iq:search', 'query').next()
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114 except StopIteration:
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115 info(_("No query element found"))
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116 raise DataError # FIXME: StanzaError is probably more appropriate, check the RFC
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117 try:
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118 form_elt = query_elts.elements(data_form.NS_X_DATA, 'x').next()
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119 except StopIteration:
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120 info(_("No data form found"))
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121 raise NotImplementedError("Only search through data form is implemented so far")
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122 xmlui = dataFormResult2XML(form_elt)
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123 print "=== XMLUI ===\n%s\n\n" % xmlui
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124 return xmlui
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125
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126
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127 def _searchErr(self, failure, profile):
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128 """ Called when something is wrong with search request """
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129 info(_("Search request failure: %s") % str(failure.value))
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130 return failure