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annotate src/plugins/plugin_xep_0070.py @ 2109:85f3e12e984d

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core (memory/cache): file caching handling, first draft: instead of having file caching handled individually by plugins, a generic module has been added in memory. - Cache can be global or associated to a profile. In the later case, client.cache can be used. - Cache are managed with unique ids (which can be any unique unicode, hash uuid, or something else). - To know if a file is in cache, getFilePath is used: if the file is in cache, its absolute path is returned, else None is returned. - To cache a file, cacheData is used with at list the source of cache (most of time plugin import name), and unique id. The method return file opened in binary writing mode (so cacheData can - and should - be used with "with" statement). - 2 files will be created: a metadata file (named after the unique id), and the actual file. - each file has a end of life time, after it, the cache is invalidated and the file must be requested again.
author Goffi <goffi@goffi.org>
date Thu, 05 Jan 2017 20:23:38 +0100
parents 438a49dbfe87
children 6a66c8c5a567
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2005
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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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 managing xep-0070
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5 # Copyright (C) 2009-2016 Geoffrey POUZET (chteufleur@kingpenguin.tk)
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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 from sat.core.i18n import _, D_
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20 from sat.core.log import getLogger
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21 from twisted.words.protocols.jabber import xmlstream
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22 from twisted.words.protocols import jabber
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23 log = getLogger(__name__)
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24 from sat.tools import xml_tools
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25
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26 from wokkel import disco, iwokkel
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27 from zope.interface import implements
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28 try:
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29 from twisted.words.protocols.xmlstream import XMPPHandler
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30 except ImportError:
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31 from wokkel.subprotocols import XMPPHandler
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32
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33
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34 NS_HTTP_AUTH = 'http://jabber.org/protocol/http-auth'
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35
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36 IQ = 'iq'
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37 IQ_GET = '/'+IQ+'[@type="get"]'
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38 IQ_HTTP_AUTH_REQUEST = IQ_GET + '/confirm[@xmlns="' + NS_HTTP_AUTH + '"]'
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39
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40 MSG = 'message'
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41 MSG_GET = '/'+MSG+'[@type="normal"]'
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42 MSG_HTTP_AUTH_REQUEST = MSG_GET + '/confirm[@xmlns="' + NS_HTTP_AUTH + '"]'
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45 PLUGIN_INFO = {
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46 "name": "XEP-0070 Plugin",
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47 "import_name": "XEP-0070",
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48 "type": "XEP",
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49 "protocols": ["XEP-0070"],
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50 "dependencies": [],
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51 "main": "XEP_0070",
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52 "handler": "yes",
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53 "description": _("""Implementation of HTTP Requests via XMPP""")
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54 }
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55
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56
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57 class XEP_0070(object):
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58 """
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59 Implementation for XEP 0070.
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60 """
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61
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62 def __init__(self, host):
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63 log.info(_(u"Plugin XEP_0070 initialization"))
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64 self.host = host
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65 self._dictRequest = dict()
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66
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67 def getHandler(self, profile):
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68 return XEP_0070_handler(self, profile)
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69
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70 def onHttpAuthRequestIQ(self, iq_elt, client):
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71 """This method is called on confirmation request received (XEP-0070 #4.5)
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72
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73 @param iq_elt: IQ element
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74 @param client: %(doc_client)s
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75 """
2005
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76 log.info(_("XEP-0070 Verifying HTTP Requests via XMPP (iq)"))
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77 self._treatHttpAuthRequest(iq_elt, IQ, client)
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78
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79 def onHttpAuthRequestMsg(self, msg_elt, client):
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80 """This method is called on confirmation request received (XEP-0070 #4.5)
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81
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82 @param msg_elt: message element
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83 @param client: %(doc_client)s
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84 """
2005
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85 log.info(_("XEP-0070 Verifying HTTP Requests via XMPP (message)"))
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86 self._treatHttpAuthRequest(msg_elt, MSG, client)
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87
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88 def _treatHttpAuthRequest(self, elt, stanzaType, client):
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89 elt.handled = True
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90 auth_elt = elt.elements(NS_HTTP_AUTH, 'confirm').next()
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91 auth_id = auth_elt['id']
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92 auth_method = auth_elt['method']
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93 auth_url = auth_elt['url']
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94 self._dictRequest[client] = (auth_id, auth_method, auth_url, stanzaType, elt)
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95
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96 confirm_ui = xml_tools.XMLUI("form", title=D_(u"Auth confirmation"), submit_id='')
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97 confirm_ui.addText(D_(u"{} needs to validate your identity, do you agree ?".format(auth_url)))
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98 confirm_ui.addText(D_(u"Validation code : {}".format(auth_id)))
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99 confirm_ui.addText(D_(u"Please check that this code is the same as on {}".format(auth_url)))
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100 confirm_ui.addText(u"")
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101 confirm_ui.addText(D_(u"Submit to authorize, cancel otherwise."))
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102 d = xml_tools.deferredUI(self.host, confirm_ui, chained=False)
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103 d.addCallback(self._authRequestCallback, client.profile)
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104 self.host.actionNew({u"xmlui": confirm_ui.toXml()}, profile=client.profile)
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105
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106 def _authRequestCallback(self, result, profile):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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107 client = self.host.getClient(profile)
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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108 try:
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parents:
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109 cancelled = result['cancelled']
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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110 except KeyError:
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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111 cancelled = False
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parents:
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112
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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113 authorized = False
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parents:
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114
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115 if cancelled:
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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116 auth_id, auth_method, auth_url, stanzaType, elt = self._dictRequest[client]
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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117 del self._dictRequest[client]
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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118 authorized = False
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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119 else:
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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120 try:
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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121 auth_id, auth_method, auth_url, stanzaType, elt = self._dictRequest[client]
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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122 del self._dictRequest[client]
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parents:
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123 authorized = True
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124 except KeyError:
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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125 authorized = False
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126
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127 if authorized:
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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128 if (stanzaType == IQ):
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129 # iq
2094
438a49dbfe87 xep-0070: fixed use of byte string instead of unicode
Goffi <goffi@goffi.org>
parents: 2014
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130 log.debug(_(u"XEP-0070 reply iq"))
2005
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131 iq_result_elt = xmlstream.toResponse(elt, 'result')
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132 client.xmlstream.send(iq_result_elt)
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parents:
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133 elif (stanzaType == MSG):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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134 # message
2094
438a49dbfe87 xep-0070: fixed use of byte string instead of unicode
Goffi <goffi@goffi.org>
parents: 2014
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135 log.debug(_(u"XEP-0070 reply message"))
2005
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parents:
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136 msg_result_elt = xmlstream.toResponse(elt, 'result')
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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137 msg_result_elt.addChild(elt.elements(NS_HTTP_AUTH, 'confirm').next())
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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138 client.xmlstream.send(msg_result_elt)
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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139 else:
2094
438a49dbfe87 xep-0070: fixed use of byte string instead of unicode
Goffi <goffi@goffi.org>
parents: 2014
diff changeset
140 log.debug(_(u"XEP-0070 reply error"))
2005
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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141 result_elt = jabber.error.StanzaError("not-authorized").toResponse(elt)
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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142 client.xmlstream.send(result_elt)
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parents:
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143
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parents:
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144
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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145 class XEP_0070_handler(XMPPHandler):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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146 implements(iwokkel.IDisco)
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parents:
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147
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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148 def __init__(self, plugin_parent, profile):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
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parents:
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149 self.plugin_parent = plugin_parent
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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150 self.host = plugin_parent.host
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
151 self.profile = profile
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parents:
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152
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Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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153 def connectionInitialized(self):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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154 self.xmlstream.addObserver(IQ_HTTP_AUTH_REQUEST, self.plugin_parent.onHttpAuthRequestIQ, client=self.parent)
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
155 self.xmlstream.addObserver(MSG_HTTP_AUTH_REQUEST, self.plugin_parent.onHttpAuthRequestMsg, client=self.parent)
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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156
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
157 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
158 return [disco.DiscoFeature(NS_HTTP_AUTH)]
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
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159
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
160 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
2afd5bd781ef plugin XEP-0070: implementation of XEP-0070 (verifying HTTP request via XMPP)
Geoffrey POUZET <chteufleur@kingpenguin.tk>
parents:
diff changeset
161 return []