Mercurial > libervia-pubsub

annotate src/delegation.py @ 387:04e7dcc436ca

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author Goffi <goffi@goffi.org>
date Tue, 12 Feb 2019 21:10:00 +0100
parents dabee42494ac
children
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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 # Copyright (c) 2015 Jérôme Poisson
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5
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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 # ---
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21
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22 # This module implements XEP-0355 (Namespace delegation) to use SàT Pubsub as PEP service
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24 from wokkel.subprotocols import XMPPHandler
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25 from wokkel import pubsub
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26 from wokkel import data_form
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27 from wokkel import disco, iwokkel
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28 from wokkel.iwokkel import IPubSubService
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29 from wokkel import mam
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30 from twisted.python import log
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31 from twisted.words.protocols.jabber import jid, error
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32 from twisted.words.protocols.jabber.xmlstream import toResponse
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33 from twisted.words.xish import domish
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34 from zope.interface import implements
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36 DELEGATION_NS = 'urn:xmpp:delegation:1'
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37 FORWARDED_NS = 'urn:xmpp:forward:0'
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38 DELEGATION_ADV_XPATH = '/message/delegation[@xmlns="{}"]'.format(DELEGATION_NS)
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39 DELEGATION_FWD_XPATH = '/iq[@type="set"]/delegation[@xmlns="{}"]/forwarded[@xmlns="{}"]'.format(DELEGATION_NS, FORWARDED_NS)
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40
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41 DELEGATION_MAIN_SEP = "::"
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42 DELEGATION_BARE_SEP = ":bare:"
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43
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44 TO_HACK = ((IPubSubService, pubsub, "PubSubRequest"),
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45 (mam.IMAMService, mam, "MAMRequest"))
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46
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48 class InvalidStanza(Exception):
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49 pass
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52 class DelegationsHandler(XMPPHandler):
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53 implements(iwokkel.IDisco)
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54 _service_hacked = False
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56 def __init__(self):
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57 super(DelegationsHandler, self).__init__()
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58
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59 def _service_hack(self):
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60 """Patch the request classes of services to track delegated stanzas"""
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61 # XXX: we need to monkey patch to track origin of the stanza in PubSubRequest.
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62 # As PubSubRequest from sat.tmp.wokkel.pubsub use _request_class while
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63 # original wokkel.pubsub use directly pubsub.PubSubRequest, we need to
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64 # check which version is used before monkeypatching
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65 for handler in self.parent.handlers:
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66 for service, module, default_base_cls in TO_HACK:
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67 if service.providedBy(handler):
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68 if hasattr(handler, '_request_class'):
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69 request_base_class = handler._request_class
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70 else:
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71 request_base_class = getattr(module, default_base_cls)
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72
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73 class RequestWithDelegation(request_base_class):
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74 """A XxxRequest which put an indicator if the stanza comme from delegation"""
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75
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76 @classmethod
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77 def fromElement(cls, element):
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78 """Check if element comme from delegation, and set a delegated flags
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79
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80 delegated flag is either False, or it's a jid of the delegating server
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81 the delegated flag must be set on element before use
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82 """
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83 try:
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84 # __getattr__ is overriden in domish.Element, so we use __getattribute__
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85 delegated = element.__getattribute__('delegated')
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86 except AttributeError:
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87 delegated = False
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88 instance = cls.__base__.fromElement(element)
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89 instance.delegated = delegated
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90 return instance
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91
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92 if hasattr(handler, '_request_class'):
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93 handler._request_class = RequestWithDelegation
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94 else:
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95 setattr(module, default_base_cls, RequestWithDelegation)
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96 DelegationsHandler._service_hacked = True
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97
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98 def connectionInitialized(self):
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99 if not self._service_hacked:
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100 self._service_hack()
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101 self.xmlstream.addObserver(DELEGATION_ADV_XPATH, self.onAdvertise)
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102 self.xmlstream.addObserver(DELEGATION_FWD_XPATH, self._obsWrapper, 0, self.onForward)
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103 self._current_iqs = {} # dict of iq being handler by delegation
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104 self._xs_send = self.xmlstream.send
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105 self.xmlstream.send = self._sendHack
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106
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107 def _sendHack(self, elt):
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108 """This method is called instead of xmlstream to control sending
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109
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110 @param obj(domsish.Element, unicode, str): obj sent to real xmlstream
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111 """
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112 if isinstance(elt, domish.Element) and elt.name=='iq':
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113 try:
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114 id_ = elt.getAttribute('id')
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115 ori_iq, managed_entity = self._current_iqs[id_]
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116 if jid.JID(elt['to']) != managed_entity:
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117 log.msg("IQ id conflict: the managed entity doesn't match (got {got} was expecting {expected})"
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118 .format(got=jid.JID(elt['to']), expected=managed_entity))
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119 raise KeyError
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120 except KeyError:
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121 # the iq is not a delegated one
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122 self._xs_send(elt)
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123 else:
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124 del self._current_iqs[id_]
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125 iq_result_elt = toResponse(ori_iq, 'result')
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126 fwd_elt = iq_result_elt.addElement('delegation', DELEGATION_NS).addElement('forwarded', FORWARDED_NS)
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127 fwd_elt.addChild(elt)
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128 elt.uri = elt.defaultUri = 'jabber:client'
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129 self._xs_send(iq_result_elt)
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130 else:
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131 self._xs_send(elt)
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132
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133 def _obsWrapper(self, observer, stanza):
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134 """Wrapper to observer which catch StanzaError
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135
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136 @param observer(callable): method to wrap
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Goffi <goffi@goffi.org>
parents: 289
diff changeset
137 """
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
138 try:
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
139 observer(stanza)
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
140 except error.StanzaError as e:
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
141 error_elt = e.toResponse(stanza)
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
142 self._xs_send(error_elt)
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
143 stanza.handled = True
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
144
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
145 def onAdvertise(self, message):
291
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
146 """Manage the <message/> advertising delegations"""
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
147 delegation_elt = message.elements(DELEGATION_NS, 'delegation').next()
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
148 delegated = {}
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
149 for delegated_elt in delegation_elt.elements(DELEGATION_NS):
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
150 try:
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
151 if delegated_elt.name != 'delegated':
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
152 raise InvalidStanza(u'unexpected element {}'.format(delegated_elt.name))
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
153 try:
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
154 namespace = delegated_elt['namespace']
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
155 except KeyError:
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
156 raise InvalidStanza(u'was expecting a "namespace" attribute in delegated element')
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
157 delegated[namespace] = []
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
158 for attribute_elt in delegated_elt.elements(DELEGATION_NS, 'attribute'):
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
159 try:
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
160 delegated[namespace].append(attribute_elt["name"])
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
161 except KeyError:
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
162 raise InvalidStanza(u'was expecting a "name" attribute in attribute element')
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
163 except InvalidStanza as e:
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
164 log.msg("Invalid stanza received ({})".format(e))
285
a87c155d0fd5 replaced former roster dirty hack by a XEP-0356 first draft implementation, only roster get is implemented so far
Goffi <goffi@goffi.org>
parents: 283
diff changeset
165
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
166 log.msg(u'delegations updated:\n{}'.format(
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
167 u'\n'.join([u" - namespace {}{}".format(ns,
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
168 u"" if not attributes else u" with filtering on {} attribute(s)".format(
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
169 u", ".join(attributes))) for ns, attributes in delegated.items()])))
242
a6170637690d remote roster partial support
Goffi <goffi@goffi.org>
parents:
diff changeset
170
287
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
171 if not pubsub.NS_PUBSUB in delegated:
61f92273fb69 implementation of XEP-0355 (Namespace Delegation) to use SàT Pubsub as PEP service, first draft
Goffi <goffi@goffi.org>
parents: 286
diff changeset
172 log.msg(u"Didn't got pubsub delegation from server, can't act as a PEP service")
242
a6170637690d remote roster partial support
Goffi <goffi@goffi.org>
parents:
diff changeset
173
291
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
174 def onForward(self, iq):
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
175 """Manage forwarded iq
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
176
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
177 @param iq(domish.Element): full delegation stanza
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
178 """
310
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
179
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
180 # FIXME: we use a hack supposing that our delegation come from hostname
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
181 # and we are a component named [name].hostname
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
182 # but we need to manage properly allowed servers
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
183 # TODO: do proper origin security check
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
184 _, allowed = iq['to'].split('.', 1)
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
185 if jid.JID(iq['from']) != jid.JID(allowed):
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
186 log.msg((u"SECURITY WARNING: forwarded stanza doesn't come from our server: {}"
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
187 .format(iq.toXml())).encode('utf-8'))
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
188 raise error.StanzaError('not-allowed')
e6a9a3c93314 delegation: fixed bad security check which was rejecting all delegations from external servers:
Goffi <goffi@goffi.org>
parents: 292
diff changeset
189
291
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
190 try:
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
191 fwd_iq = (iq.elements(DELEGATION_NS, 'delegation').next()
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
192 .elements(FORWARDED_NS, 'forwarded').next()
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
193 .elements('jabber:client', 'iq').next())
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
194 except StopIteration:
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
195 raise error.StanzaError('not-acceptable')
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
196
292
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
197 managed_entity = jid.JID(fwd_iq['from'])
291
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
198
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
199 self._current_iqs[fwd_iq['id']] = (iq, managed_entity)
292
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
200 fwd_iq.delegated = True
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
201
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
202 # we need a recipient in pubsub request for PEP
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
203 # so we set "to" attribute if it doesn't exist
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
204 if not fwd_iq.hasAttribute('to'):
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
205 fwd_iq["to"] = jid.JID(fwd_iq["from"]).userhost()
6918a0dad359 delegation: delegated stanza are tracked
Goffi <goffi@goffi.org>
parents: 291
diff changeset
206
291
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
207 # we now inject the element in the stream
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
208 self.xmlstream.dispatch(fwd_iq)
61fb4817b77f delegation: iq forwarded management:
Goffi <goffi@goffi.org>
parents: 289
diff changeset
209
288
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
210 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
211 """Manage disco nesting
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
212
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
213 This method looks for DiscoHandler in sibling handlers and use it to
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
214 collect main disco infos. It then filters by delegated namespace and return it.
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
215 An identity is added for PEP if pubsub namespace is requested.
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
216
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
217 The same features/identities are returned for main and bare nodes
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
218 """
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
219 if not nodeIdentifier.startswith(DELEGATION_NS):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
220 return []
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
221
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
222 try:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
223 _, namespace = nodeIdentifier.split(DELEGATION_MAIN_SEP, 1)
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
224 except ValueError:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
225 try:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
226 _, namespace = nodeIdentifier.split(DELEGATION_BARE_SEP, 1)
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
227 except ValueError:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
228 log.msg("Unexpected disco node: {}".format(nodeIdentifier))
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
229 raise error.StanzaError('not-acceptable')
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
230
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
231 if not namespace:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
232 log.msg("No namespace found in node {}".format(nodeIdentifier))
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
233 return []
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
234
334
0a93d71f9503 delegation: use same disco for all pubsub namespaces
Goffi <goffi@goffi.org>
parents: 322
diff changeset
235 if namespace.startswith(pubsub.NS_PUBSUB):
0a93d71f9503 delegation: use same disco for all pubsub namespaces
Goffi <goffi@goffi.org>
parents: 322
diff changeset
236 # pubsub use several namespaces starting with NS_PUBSUB (e.g. http://jabber.org/protocol/pubsub#owner)
0a93d71f9503 delegation: use same disco for all pubsub namespaces
Goffi <goffi@goffi.org>
parents: 322
diff changeset
237 # we return the same disco for all of them
0a93d71f9503 delegation: use same disco for all pubsub namespaces
Goffi <goffi@goffi.org>
parents: 322
diff changeset
238 namespace = pubsub.NS_PUBSUB
0a93d71f9503 delegation: use same disco for all pubsub namespaces
Goffi <goffi@goffi.org>
parents: 322
diff changeset
239
288
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
240 def gotInfos(infos):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
241 ns_features = []
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
242 for info in infos:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
243 if isinstance(info, disco.DiscoFeature) and info.startswith(namespace):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
244 ns_features.append(info)
289
f08f8536cab8 mod delegation: extensions management (XEP-0128)
Goffi <goffi@goffi.org>
parents: 288
diff changeset
245 elif (isinstance(info, data_form.Form) and info.formNamespace
f08f8536cab8 mod delegation: extensions management (XEP-0128)
Goffi <goffi@goffi.org>
parents: 288
diff changeset
246 and info.formNamespace.startwith(namespace)):
f08f8536cab8 mod delegation: extensions management (XEP-0128)
Goffi <goffi@goffi.org>
parents: 288
diff changeset
247 # extensions management (XEP-0128)
f08f8536cab8 mod delegation: extensions management (XEP-0128)
Goffi <goffi@goffi.org>
parents: 288
diff changeset
248 ns_features.append(info)
288
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
249
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
250 if namespace == pubsub.NS_PUBSUB:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
251 ns_features.append(disco.DiscoIdentity('pubsub', 'pep'))
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
252
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
253 return ns_features
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
254
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
255 for handler in self.parent.handlers:
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
256 if isinstance(handler, disco.DiscoHandler):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
257 break
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
258
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
259 if not isinstance(handler, disco.DiscoHandler):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
260 log.err("Can't find DiscoHandler")
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
261 return []
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
262
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
263 d = handler.info(requestor, target, '')
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
264 d.addCallback(gotInfos)
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
265 return d
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
266
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
267 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
073161f6f143 namespace delegation: disco nesting management
Goffi <goffi@goffi.org>
parents: 287
diff changeset
268 return []
346
3bbab2173ebc implemented disco items:
Goffi <goffi@goffi.org>
parents: 334
diff changeset
269
3bbab2173ebc implemented disco items:
Goffi <goffi@goffi.org>
parents: 334
diff changeset
270
3bbab2173ebc implemented disco items:
Goffi <goffi@goffi.org>
parents: 334
diff changeset
271 # we monkeypatch DiscoHandler to add delegation informations
3bbab2173ebc implemented disco items:
Goffi <goffi@goffi.org>
parents: 334
diff changeset
272 def _onDiscoItems(self, iq):
3bbab2173ebc implemented disco items:
Goffi <goffi@goffi.org>
parents: 334
diff changeset
273 request = disco._DiscoRequest.fromElement(iq)
3bbab2173ebc implemented disco items:
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274 # it's really ugly to attach pep data to recipient
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275 # but we don't have many options
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276 request.recipient.pep = iq.delegated
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277
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278 def toResponse(items):
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279 response = disco.DiscoItems()
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280 response.nodeIdentifier = request.nodeIdentifier
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281
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282 for item in items:
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283 response.append(item)
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284
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285 return response.toElement()
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286
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287 d = self.items(request.sender, request.recipient,
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288 request.nodeIdentifier)
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289 d.addCallback(toResponse)
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290 return d
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291
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292
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293 disco.DiscoHandler._onDiscoItems = _onDiscoItems