annotate idavoll/backend.py @ 209:7f3ffb7a1a9e

Add support for node deletion with redirect.
author Ralph Meijer <ralphm@ik.nu>
date Fri, 30 Jan 2009 14:35:05 +0000
parents 274a45d2a5ab
children bfc198af5d27
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- test-case-name: idavoll.test.test_backend -*-
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2 #
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3 # Copyright (c) 2003-2008 Ralph Meijer
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4 # See LICENSE for details.
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5
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6 """
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7 Generic publish-subscribe backend.
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8
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9 This module implements a generic publish-subscribe backend service with
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10 business logic as per
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11 U{XEP-0060<http://www.xmpp.org/extensions/xep-0060.html>} that interacts with
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12 a given storage facility. It also provides an adapter from the XMPP
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13 publish-subscribe protocol.
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14 """
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15
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16 import uuid
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17
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18 from zope.interface import implements
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19
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20 from twisted.application import service
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21 from twisted.python import components, log
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22 from twisted.internet import defer, reactor
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23 from twisted.words.protocols.jabber.error import StanzaError
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24 from twisted.words.xish import domish, utility
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25
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26 from wokkel.iwokkel import IDisco, IPubSubService
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27 from wokkel.pubsub import PubSubService, PubSubError
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29 from idavoll import error, iidavoll
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30 from idavoll.iidavoll import IBackendService, ILeafNode
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31
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32 def _getAffiliation(node, entity):
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33 d = node.getAffiliation(entity)
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34 d.addCallback(lambda affiliation: (node, affiliation))
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35 return d
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38
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39 class BackendService(service.Service, utility.EventDispatcher):
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40 """
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41 Generic publish-subscribe backend service.
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42
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43 @cvar nodeOptions: Node configuration form as a mapping from the field
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44 name to a dictionary that holds the field's type, label
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45 and possible options to choose from.
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46 @type nodeOptions: C{dict}.
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47 @cvar defaultConfig: The default node configuration.
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48 """
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49
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50 implements(iidavoll.IBackendService)
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51
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52 nodeOptions = {
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53 "pubsub#persist_items":
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54 {"type": "boolean",
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55 "label": "Persist items to storage"},
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56 "pubsub#deliver_payloads":
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57 {"type": "boolean",
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58 "label": "Deliver payloads with event notifications"},
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59 "pubsub#send_last_published_item":
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60 {"type": "list-single",
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61 "label": "When to send the last published item",
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62 "options": {
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63 "never": "Never",
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64 "on_sub": "When a new subscription is processed"}
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65 },
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66 }
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67
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68 subscriptionOptions = {
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69 "pubsub#subscription_type":
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70 {"type": "list-single",
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71 "options": {
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72 "items": "Receive notification of new items only",
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73 "nodes": "Receive notification of new nodes only"}
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74 },
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75 "pubsub#subscription_depth":
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76 {"type": "list-single",
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77 "options": {
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78 "1": "Receive notification from direct child nodes only",
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79 "all": "Receive notification from all descendent nodes"}
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80 },
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81 }
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82
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83 def __init__(self, storage):
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84 utility.EventDispatcher.__init__(self)
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85 self.storage = storage
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86 self._callbackList = []
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87
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88
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89 def supportsPublisherAffiliation(self):
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90 return True
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92
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93 def supportsOutcastAffiliation(self):
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94 return True
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96
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97 def supportsPersistentItems(self):
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98 return True
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99
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100
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101 def getNodeType(self, nodeIdentifier):
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102 d = self.storage.getNode(nodeIdentifier)
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103 d.addCallback(lambda node: node.getType())
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104 return d
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105
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106
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107 def getNodes(self):
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108 return self.storage.getNodeIds()
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109
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110
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111 def getNodeMetaData(self, nodeIdentifier):
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112 d = self.storage.getNode(nodeIdentifier)
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113 d.addCallback(lambda node: node.getMetaData())
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114 d.addCallback(self._makeMetaData)
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115 return d
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116
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117
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118 def _makeMetaData(self, metaData):
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119 options = []
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120 for key, value in metaData.iteritems():
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121 if key in self.nodeOptions:
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122 option = {"var": key}
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123 option.update(self.nodeOptions[key])
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124 option["value"] = value
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125 options.append(option)
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126
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127 return options
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128
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129
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130 def _checkAuth(self, node, requestor):
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131 def check(affiliation, node):
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132 if affiliation not in ['owner', 'publisher']:
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133 raise error.Forbidden()
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134 return node
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135
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136 d = node.getAffiliation(requestor)
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137 d.addCallback(check, node)
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138 return d
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140
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141 def publish(self, nodeIdentifier, items, requestor):
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142 d = self.storage.getNode(nodeIdentifier)
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143 d.addCallback(self._checkAuth, requestor)
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144 d.addCallback(self._doPublish, items, requestor)
167
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145 return d
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146
108
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147
198
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148 def _doPublish(self, node, items, requestor):
206
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149 if node.nodeType == 'collection':
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150 raise error.NoPublishing()
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151
198
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152 configuration = node.getConfiguration()
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153 persistItems = configuration["pubsub#persist_items"]
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154 deliverPayloads = configuration["pubsub#deliver_payloads"]
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155
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156 if items and not persistItems and not deliverPayloads:
167
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157 raise error.ItemForbidden()
198
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158 elif not items and (persistItems or deliverPayloads):
167
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159 raise error.ItemRequired()
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160
198
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161 if persistItems or deliverPayloads:
167
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162 for item in items:
206
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163 item.uri = None
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164 item.defaultUri = None
167
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165 if not item.getAttribute("id"):
168
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166 item["id"] = str(uuid.uuid4())
167
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167
198
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168 if persistItems:
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169 d = node.storeItems(items, requestor)
167
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170 else:
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171 d = defer.succeed(None)
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172
198
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173 d.addCallback(self._doNotify, node.nodeIdentifier, items,
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174 deliverPayloads)
167
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175 return d
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176
198
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177
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178 def _doNotify(self, result, nodeIdentifier, items, deliverPayloads):
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179 if items and not deliverPayloads:
167
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180 for item in items:
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181 item.children = []
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182
198
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183 self.dispatch({'items': items, 'nodeIdentifier': nodeIdentifier},
167
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184 '//event/pubsub/notify')
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185
198
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186
206
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187 def getNotifications(self, nodeIdentifier, items):
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188
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189 def toNotifications(subscriptions, nodeIdentifier, items):
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190 subsBySubscriber = {}
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191 for subscription in subscriptions:
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192 if subscription.options.get('pubsub#subscription_type',
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193 'items') == 'items':
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194 subs = subsBySubscriber.setdefault(subscription.subscriber,
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195 set())
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196 subs.add(subscription)
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197
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198 notifications = [(subscriber, subscriptions, items)
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199 for subscriber, subscriptions
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200 in subsBySubscriber.iteritems()]
167
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201
206
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202 return notifications
198
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203
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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204 def rootNotFound(failure):
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205 failure.trap(error.NodeNotFound)
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206 return []
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207
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208 d1 = self.storage.getNode(nodeIdentifier)
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209 d1.addCallback(lambda node: node.getSubscriptions('subscribed'))
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210 d2 = self.storage.getNode('')
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211 d2.addCallback(lambda node: node.getSubscriptions('subscribed'))
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212 d2.addErrback(rootNotFound)
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213 d = defer.gatherResults([d1, d2])
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214 d.addCallback(lambda result: result[0] + result[1])
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215 d.addCallback(toNotifications, nodeIdentifier, items)
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216 return d
167
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diff changeset
217
198
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218
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219 def registerNotifier(self, observerfn, *args, **kwargs):
167
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220 self.addObserver('//event/pubsub/notify', observerfn, *args, **kwargs)
29
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221
198
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diff changeset
222
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223 def subscribe(self, nodeIdentifier, subscriber, requestor):
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224 subscriberEntity = subscriber.userhostJID()
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225 if subscriberEntity != requestor:
167
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226 return defer.fail(error.Forbidden())
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diff changeset
227
198
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diff changeset
228 d = self.storage.getNode(nodeIdentifier)
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229 d.addCallback(_getAffiliation, subscriberEntity)
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230 d.addCallback(self._doSubscribe, subscriber)
167
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diff changeset
231 return d
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232
198
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233
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
234 def _doSubscribe(self, result, subscriber):
167
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diff changeset
235 node, affiliation = result
29
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diff changeset
236
167
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diff changeset
237 if affiliation == 'outcast':
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diff changeset
238 raise error.Forbidden()
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diff changeset
239
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
240 def trapExists(failure):
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diff changeset
241 failure.trap(error.SubscriptionExists)
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diff changeset
242 return False
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diff changeset
243
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
244 def cb(sendLast):
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245 d = node.getSubscription(subscriber)
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diff changeset
246 if sendLast:
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
247 d.addCallback(self._sendLastPublished, node)
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diff changeset
248 return d
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249
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
250 d = node.addSubscription(subscriber, 'subscribed', {})
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diff changeset
251 d.addCallbacks(lambda _: True, trapExists)
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diff changeset
252 d.addCallback(cb)
167
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diff changeset
253 return d
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254
198
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diff changeset
255
206
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diff changeset
256 def _sendLastPublished(self, subscription, node):
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
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parents: 181
diff changeset
257
202
77c61e2b8c75 Use `domish.Element`s to represent items, instead of serialized XML.
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diff changeset
258 def notifyItem(items):
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
259 if items:
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diff changeset
260 reactor.callLater(0, self.dispatch,
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diff changeset
261 {'items': items,
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diff changeset
262 'nodeIdentifier': node.nodeIdentifier,
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diff changeset
263 'subscription': subscription},
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diff changeset
264 '//event/pubsub/notify')
178
07114105885a Send last published item on subscription if node is so configured.
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diff changeset
265
198
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diff changeset
266 config = node.getConfiguration()
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
267 sendLastPublished = config.get('pubsub#send_last_published_item',
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
268 'never')
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
269 if sendLastPublished == 'on_sub' and node.nodeType == 'leaf':
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
270 entity = subscription.subscriber.userhostJID()
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diff changeset
271 d = self.getItems(node.nodeIdentifier, entity, 1)
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diff changeset
272 d.addCallback(notifyItem)
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diff changeset
273 d.addErrback(log.err)
178
07114105885a Send last published item on subscription if node is so configured.
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diff changeset
274
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
275 return subscription
178
07114105885a Send last published item on subscription if node is so configured.
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diff changeset
276
198
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diff changeset
277
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
278 def unsubscribe(self, nodeIdentifier, subscriber, requestor):
167
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diff changeset
279 if subscriber.userhostJID() != requestor:
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diff changeset
280 return defer.fail(error.Forbidden())
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diff changeset
281
198
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diff changeset
282 d = self.storage.getNode(nodeIdentifier)
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diff changeset
283 d.addCallback(lambda node: node.removeSubscription(subscriber))
167
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diff changeset
284 return d
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diff changeset
285
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
286
198
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diff changeset
287 def getSubscriptions(self, entity):
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diff changeset
288 return self.storage.getSubscriptions(entity)
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diff changeset
289
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
290
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
291 def supportsInstantNodes(self):
167
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292 return True
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diff changeset
293
198
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parents: 196
diff changeset
294
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
295 def createNode(self, nodeIdentifier, requestor):
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diff changeset
296 if not nodeIdentifier:
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diff changeset
297 nodeIdentifier = 'generic/%s' % uuid.uuid4()
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 205
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298
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 205
diff changeset
299 nodeType = 'leaf'
274a45d2a5ab Implement root collection that includes all leaf nodes.
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300 config = self.storage.getDefaultConfiguration(nodeType)
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
301 config['pubsub#node_type'] = nodeType
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
302
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
303 d = self.storage.createNode(nodeIdentifier, requestor, config)
198
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diff changeset
304 d.addCallback(lambda _: nodeIdentifier)
167
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305 return d
90
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parents: 85
diff changeset
306
198
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diff changeset
307
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
308 def getDefaultConfiguration(self, nodeType):
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diff changeset
309 d = defer.succeed(self.storage.getDefaultConfiguration(nodeType))
167
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diff changeset
310 return d
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diff changeset
311
198
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parents: 196
diff changeset
312
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
313 def getNodeConfiguration(self, nodeIdentifier):
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diff changeset
314 if not nodeIdentifier:
196
00a6dbfbee42 Return deferreds on failure, instead of raising exceptions.
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diff changeset
315 return defer.fail(error.NoRootNode())
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
316
198
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diff changeset
317 d = self.storage.getNode(nodeIdentifier)
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diff changeset
318 d.addCallback(lambda node: node.getConfiguration())
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
319
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
320 return d
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parents: 159
diff changeset
321
198
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parents: 196
diff changeset
322
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
323 def setNodeConfiguration(self, nodeIdentifier, options, requestor):
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diff changeset
324 if not nodeIdentifier:
196
00a6dbfbee42 Return deferreds on failure, instead of raising exceptions.
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parents: 183
diff changeset
325 return defer.fail(error.NoRootNode())
90
59378610b16e Implement node purging and node deletion.
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parents: 85
diff changeset
326
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
327 d = self.storage.getNode(nodeIdentifier)
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diff changeset
328 d.addCallback(_getAffiliation, requestor)
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diff changeset
329 d.addCallback(self._doSetNodeConfiguration, options)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
330 return d
90
59378610b16e Implement node purging and node deletion.
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parents: 85
diff changeset
331
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
332
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
333 def _doSetNodeConfiguration(self, result, options):
167
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parents: 159
diff changeset
334 node, affiliation = result
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parents: 159
diff changeset
335
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
336 if affiliation != 'owner':
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diff changeset
337 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
338
198
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diff changeset
339 return node.setConfiguration(options)
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diff changeset
340
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
341
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
342 def getAffiliations(self, entity):
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parents: 196
diff changeset
343 return self.storage.getAffiliations(entity)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
344
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
345
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
346 def getItems(self, nodeIdentifier, requestor, maxItems=None,
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parents: 196
diff changeset
347 itemIdentifiers=None):
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parents: 196
diff changeset
348 d = self.storage.getNode(nodeIdentifier)
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diff changeset
349 d.addCallback(_getAffiliation, requestor)
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
350 d.addCallback(self._doGetItems, maxItems, itemIdentifiers)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
351 return d
90
59378610b16e Implement node purging and node deletion.
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parents: 85
diff changeset
352
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
353
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
354 def _doGetItems(self, result, maxItems, itemIdentifiers):
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
355 node, affiliation = result
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diff changeset
356
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 205
diff changeset
357 if not ILeafNode.providedBy(node):
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
358 return []
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
359
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
360 if affiliation == 'outcast':
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diff changeset
361 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
362
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
363 if itemIdentifiers:
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
364 return node.getItemsById(itemIdentifiers)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
365 else:
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
366 return node.getItems(maxItems)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
367
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
368
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
369 def retractItem(self, nodeIdentifier, itemIdentifiers, requestor):
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parents: 196
diff changeset
370 d = self.storage.getNode(nodeIdentifier)
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
371 d.addCallback(_getAffiliation, requestor)
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parents: 196
diff changeset
372 d.addCallback(self._doRetract, itemIdentifiers)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
373 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
374
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
375
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
376 def _doRetract(self, result, itemIdentifiers):
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
377 node, affiliation = result
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
378 persistItems = node.getConfiguration()["pubsub#persist_items"]
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
379
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
380 if affiliation not in ['owner', 'publisher']:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
381 raise error.Forbidden()
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
382
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
383 if not persistItems:
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
384 raise error.NodeNotPersistent()
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parents: 159
diff changeset
385
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
386 d = node.removeItems(itemIdentifiers)
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 196
diff changeset
387 d.addCallback(self._doNotifyRetraction, node.nodeIdentifier)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
388 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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parents: 159
diff changeset
389
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
390
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
391 def _doNotifyRetraction(self, itemIdentifiers, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
392 self.dispatch({'itemIdentifiers': itemIdentifiers,
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
393 'nodeIdentifier': nodeIdentifier },
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
394 '//event/pubsub/retract')
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
395
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
396
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
397 def purgeNode(self, nodeIdentifier, requestor):
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
398 d = self.storage.getNode(nodeIdentifier)
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
399 d.addCallback(_getAffiliation, requestor)
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
400 d.addCallback(self._doPurge)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
401 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
402
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
403
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
404 def _doPurge(self, result):
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
405 node, affiliation = result
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
406 persistItems = node.getConfiguration()["pubsub#persist_items"]
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
407
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
408 if affiliation != 'owner':
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
409 raise error.Forbidden()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
410
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
411 if not persistItems:
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
412 raise error.NodeNotPersistent()
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
413
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
414 d = node.purge()
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
415 d.addCallback(self._doNotifyPurge, node.nodeIdentifier)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
416 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
417
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
418
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
419 def _doNotifyPurge(self, result, nodeIdentifier):
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420 self.dispatch(nodeIdentifier, '//event/pubsub/purge')
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421
29
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422
198
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423 def registerPreDelete(self, preDeleteFn):
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424 self._callbackList.append(preDeleteFn)
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425
167
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426
198
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diff changeset
427 def getSubscribers(self, nodeIdentifier):
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
428 def cb(subscriptions):
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diff changeset
429 return [subscription.subscriber for subscription in subscriptions]
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diff changeset
430
198
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431 d = self.storage.getNode(nodeIdentifier)
206
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432 d.addCallback(lambda node: node.getSubscriptions('subscribed'))
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433 d.addCallback(cb)
167
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434 return d
29
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435
198
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436
209
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437 def deleteNode(self, nodeIdentifier, requestor, redirectURI=None):
198
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438 d = self.storage.getNode(nodeIdentifier)
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439 d.addCallback(_getAffiliation, requestor)
209
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440 d.addCallback(self._doPreDelete, redirectURI)
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441 return d
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442
198
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443
209
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444 def _doPreDelete(self, result, redirectURI):
167
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445 node, affiliation = result
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446
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447 if affiliation != 'owner':
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448 raise error.Forbidden()
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449
209
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450 data = {'nodeIdentifier': node.nodeIdentifier,
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451 'redirectURI': redirectURI}
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diff changeset
452
7f3ffb7a1a9e Add support for node deletion with redirect.
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453 d = defer.DeferredList([cb(data)
198
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454 for cb in self._callbackList],
167
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455 consumeErrors=1)
198
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456 d.addCallback(self._doDelete, node.nodeIdentifier)
59
0fa161c00ed9 Use jid.JIDs everywhere in the backend.
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457
198
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diff changeset
458
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diff changeset
459 def _doDelete(self, result, nodeIdentifier):
167
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460 dl = []
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461 for succeeded, r in result:
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diff changeset
462 if succeeded and r:
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463 dl.extend(r)
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464
198
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465 d = self.storage.deleteNode(nodeIdentifier)
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466 d.addCallback(self._doNotifyDelete, dl)
167
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diff changeset
467
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468 return d
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
469
198
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diff changeset
470
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
471 def _doNotifyDelete(self, result, dl):
167
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472 for d in dl:
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diff changeset
473 d.callback(None)
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diff changeset
474
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diff changeset
475
198
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476
167
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diff changeset
477 class PubSubServiceFromBackend(PubSubService):
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478 """
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479 Adapts a backend to an xmpp publish-subscribe service.
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480 """
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481
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482 implements(IDisco)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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483
167
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484 _errorMap = {
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diff changeset
485 error.NodeNotFound: ('item-not-found', None, None),
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diff changeset
486 error.NodeExists: ('conflict', None, None),
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diff changeset
487 error.Forbidden: ('forbidden', None, None),
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diff changeset
488 error.ItemForbidden: ('bad-request', 'item-forbidden', None),
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489 error.ItemRequired: ('bad-request', 'item-required', None),
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490 error.NoInstantNodes: ('not-acceptable',
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diff changeset
491 'unsupported',
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diff changeset
492 'instant-nodes'),
171
bc269696ef42 Reply with the correct error condition on subscription when not subscribed.
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diff changeset
493 error.NotSubscribed: ('unexpected-request', 'not-subscribed', None),
167
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494 error.InvalidConfigurationOption: ('not-acceptable', None, None),
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495 error.InvalidConfigurationValue: ('not-acceptable', None, None),
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diff changeset
496 error.NodeNotPersistent: ('feature-not-implemented',
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diff changeset
497 'unsupported',
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diff changeset
498 'persistent-node'),
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diff changeset
499 error.NoRootNode: ('bad-request', None, None),
206
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parents: 205
diff changeset
500 error.NoCollections: ('feature-not-implemented',
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parents: 205
diff changeset
501 'unsupported',
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 205
diff changeset
502 'collections'),
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
503 error.NoPublishing: ('feature-not-implemented',
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 205
diff changeset
504 'unsupported',
274a45d2a5ab Implement root collection that includes all leaf nodes.
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505 'publish'),
167
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diff changeset
506 }
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
507
167
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508 def __init__(self, backend):
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diff changeset
509 PubSubService.__init__(self)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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diff changeset
510
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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511 self.backend = backend
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diff changeset
512 self.hideNodes = False
153
753b8432460f Work towards JEP-0060 1.8
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diff changeset
513
167
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diff changeset
514 self.pubSubFeatures = self._getPubSubFeatures()
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diff changeset
515
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
516 self.backend.registerNotifier(self._notify)
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diff changeset
517 self.backend.registerPreDelete(self._preDelete)
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
518
153
753b8432460f Work towards JEP-0060 1.8
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diff changeset
519
167
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diff changeset
520 def _getPubSubFeatures(self):
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521 features = [
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diff changeset
522 "config-node",
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diff changeset
523 "create-nodes",
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diff changeset
524 "delete-any",
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parents: 159
diff changeset
525 "delete-nodes",
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parents: 159
diff changeset
526 "item-ids",
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parents: 159
diff changeset
527 "meta-data",
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diff changeset
528 "publish",
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parents: 159
diff changeset
529 "purge-nodes",
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parents: 159
diff changeset
530 "retract-items",
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parents: 159
diff changeset
531 "retrieve-affiliations",
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diff changeset
532 "retrieve-default",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
533 "retrieve-items",
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
534 "retrieve-subscriptions",
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diff changeset
535 "subscribe",
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diff changeset
536 ]
153
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Ralph Meijer <ralphm@ik.nu>
parents: 108
diff changeset
537
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
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diff changeset
538 if self.backend.supportsInstantNodes():
167
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diff changeset
539 features.append("instant-nodes")
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parents: 159
diff changeset
540
198
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diff changeset
541 if self.backend.supportsOutcastAffiliation():
167
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542 features.append("outcast-affiliation")
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diff changeset
543
198
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diff changeset
544 if self.backend.supportsPersistentItems():
167
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diff changeset
545 features.append("persistent-items")
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parents: 159
diff changeset
546
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
547 if self.backend.supportsPublisherAffiliation():
167
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parents: 159
diff changeset
548 features.append("publisher-affiliation")
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parents: 159
diff changeset
549
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parents: 159
diff changeset
550 return features
29
d4fc29bb5381 Define interfaces of blocks of functionality.
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parents: 24
diff changeset
551
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
552
167
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diff changeset
553 def _notify(self, data):
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parents: 159
diff changeset
554 items = data['items']
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
555 nodeIdentifier = data['nodeIdentifier']
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
556 if 'subscription' not in data:
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
557 d = self.backend.getNotifications(nodeIdentifier, items)
178
07114105885a Send last published item on subscription if node is so configured.
Ralph Meijer <ralphm@ik.nu>
parents: 174
diff changeset
558 else:
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
559 subscription = data['subscription']
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
560 d = defer.succeed([(subscription.subscriber, [subscription],
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
561 items)])
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
562 d.addCallback(lambda notifications: self.notifyPublish(self.serviceJID,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
563 nodeIdentifier,
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
564 notifications))
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
565
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
566
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
567 def _preDelete(self, data):
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
568 nodeIdentifier = data['nodeIdentifier']
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
569 redirectURI = data.get('redirectURI', None)
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
570 d = self.backend.getSubscribers(nodeIdentifier)
174
79d451d186b1 Send out node deletion notifications.
Ralph Meijer <ralphm@ik.nu>
parents: 172
diff changeset
571 d.addCallback(lambda subscribers: self.notifyDelete(self.serviceJID,
79d451d186b1 Send out node deletion notifications.
Ralph Meijer <ralphm@ik.nu>
parents: 172
diff changeset
572 nodeIdentifier,
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
573 subscribers,
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
574 redirectURI))
174
79d451d186b1 Send out node deletion notifications.
Ralph Meijer <ralphm@ik.nu>
parents: 172
diff changeset
575 return d
79d451d186b1 Send out node deletion notifications.
Ralph Meijer <ralphm@ik.nu>
parents: 172
diff changeset
576
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
577
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
578 def _mapErrors(self, failure):
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Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
579 e = failure.trap(*self._errorMap.keys())
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
580
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
581 condition, pubsubCondition, feature = self._errorMap[e]
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
582 msg = failure.value.msg
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
583
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
584 if pubsubCondition:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
585 exc = PubSubError(condition, pubsubCondition, feature, msg)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
586 else:
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
587 exc = StanzaError(condition, text=msg)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
588
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
589 raise exc
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
590
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
591
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
592 def getNodeInfo(self, requestor, service, nodeIdentifier):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
593 info = {}
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
594
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
595 def saveType(result):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
596 info['type'] = result
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
597 return nodeIdentifier
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
598
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
599 def saveMetaData(result):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
600 info['meta-data'] = result
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
601 return info
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
602
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
603 def trapNotFound(failure):
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
604 failure.trap(error.NodeNotFound)
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
605 return info
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
606
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
607 d = defer.succeed(nodeIdentifier)
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
608 d.addCallback(self.backend.getNodeType)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
609 d.addCallback(saveType)
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
610 d.addCallback(self.backend.getNodeMetaData)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
611 d.addCallback(saveMetaData)
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
612 d.addErrback(trapNotFound)
172
9bfb00edd0cc Fix Backend's getNodeInfo so that it properly adds its errback.
Ralph Meijer <ralphm@ik.nu>
parents: 171
diff changeset
613 d.addErrback(self._mapErrors)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
614 return d
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
615
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
616
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
617 def getNodes(self, requestor, service):
169
96afb248df5e Fix typos in service creation. Make disco not respond when a resource is provided.
Ralph Meijer <ralphm@ik.nu>
parents: 168
diff changeset
618 if service.resource:
96afb248df5e Fix typos in service creation. Make disco not respond when a resource is provided.
Ralph Meijer <ralphm@ik.nu>
parents: 168
diff changeset
619 return defer.succeed([])
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
620 d = self.backend.getNodes()
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
621 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
622
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
623
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
624 def publish(self, requestor, service, nodeIdentifier, items):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
625 d = self.backend.publish(nodeIdentifier, items, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
626 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
627
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
628
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
629 def subscribe(self, requestor, service, nodeIdentifier, subscriber):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
630 d = self.backend.subscribe(nodeIdentifier, subscriber, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
631 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
632
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
633
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
634 def unsubscribe(self, requestor, service, nodeIdentifier, subscriber):
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
635 d = self.backend.unsubscribe(nodeIdentifier, subscriber, requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
636 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
637
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
638
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
639 def subscriptions(self, requestor, service):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
640 d = self.backend.getSubscriptions(requestor)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
641 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
642
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
643
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
644 def affiliations(self, requestor, service):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
645 d = self.backend.getAffiliations(requestor)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
646 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
647
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
648
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
649 def create(self, requestor, service, nodeIdentifier):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
650 d = self.backend.createNode(nodeIdentifier, requestor)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
651 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
652
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
653
205
e6b710bf2b24 Adjust node configuration to match wokkel API changes.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
654 def getConfigurationOptions(self):
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
655 return self.backend.nodeOptions
205
e6b710bf2b24 Adjust node configuration to match wokkel API changes.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
656
e6b710bf2b24 Adjust node configuration to match wokkel API changes.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
657
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
658 def getDefaultConfiguration(self, requestor, service, nodeType):
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 205
diff changeset
659 d = self.backend.getDefaultConfiguration(nodeType)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
660 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
661
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
662
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
663 def getConfiguration(self, requestor, service, nodeIdentifier):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
664 d = self.backend.getNodeConfiguration(nodeIdentifier)
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
665 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
666
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
667
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
668 def setConfiguration(self, requestor, service, nodeIdentifier, options):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
669 d = self.backend.setNodeConfiguration(nodeIdentifier, options,
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
670 requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
671 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
672
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
673
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
674 def items(self, requestor, service, nodeIdentifier, maxItems,
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
675 itemIdentifiers):
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
676 d = self.backend.getItems(nodeIdentifier, requestor, maxItems,
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
677 itemIdentifiers)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
678 return d.addErrback(self._mapErrors)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
679
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
680
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
681 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
682 d = self.backend.retractItem(nodeIdentifier, itemIdentifiers,
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
683 requestor)
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
684 return d.addErrback(self._mapErrors)
29
d4fc29bb5381 Define interfaces of blocks of functionality.
Ralph Meijer <ralphm@ik.nu>
parents: 24
diff changeset
685
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
686
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
Ralph Meijer <ralphm@ik.nu>
parents: 159
diff changeset
687 def purge(self, requestor, service, nodeIdentifier):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 196
diff changeset
688 d = self.backend.purgeNode(nodeIdentifier, requestor)
167
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689 return d.addErrback(self._mapErrors)
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690
198
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691
167
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692 def delete(self, requestor, service, nodeIdentifier):
198
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693 d = self.backend.deleteNode(nodeIdentifier, requestor)
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694 return d.addErrback(self._mapErrors)
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695
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696 components.registerAdapter(PubSubServiceFromBackend,
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697 IBackendService,
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698 IPubSubService)