annotate sat_pubsub/gateway.py @ 341:b49f75a26156

backend, pgsql: implemented subscriptionsGet and subscriptionsSet
author Goffi <goffi@goffi.org>
date Sun, 20 Aug 2017 11:56:04 +0200
parents 5d7c3787672e
children 9fbb31ce495b
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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) 2003-2011 Ralph Meijer
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5 # Copyright (c) 2012-2016 Jérôme Poisson
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 # --
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21
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22 # This program is based on Idavoll (http://idavoll.ik.nu/),
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23 # originaly written by Ralph Meijer (http://ralphm.net/blog/)
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24 # It is sublicensed under AGPL v3 (or any later version) as allowed by the original
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25 # license.
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27 # --
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29 # Here is a copy of the original license:
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30
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31 # Copyright (c) 2003-2011 Ralph Meijer
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33 # Permission is hereby granted, free of charge, to any person obtaining
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34 # a copy of this software and associated documentation files (the
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35 # "Software"), to deal in the Software without restriction, including
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36 # without limitation the rights to use, copy, modify, merge, publish,
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37 # distribute, sublicense, and/or sell copies of the Software, and to
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38 # permit persons to whom the Software is furnished to do so, subject to
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39 # the following conditions:
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41 # The above copyright notice and this permission notice shall be
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42 # included in all copies or substantial portions of the Software.
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44 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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45 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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46 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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47 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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48 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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49 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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50 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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53 """
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54 Web resources and client for interacting with pubsub services.
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55 """
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56
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57 import mimetools
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58 from time import gmtime, strftime
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59 from StringIO import StringIO
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60 import urllib
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61 import urlparse
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62
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63 import simplejson
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64
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65 from twisted.application import service
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66 from twisted.internet import defer, reactor
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67 from twisted.python import log
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68 from twisted.web import client, http, resource, server
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69 from twisted.web.error import Error
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70 from twisted.words.protocols.jabber.jid import JID
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71 from twisted.words.protocols.jabber.error import StanzaError
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72 from twisted.words.xish import domish
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74 from wokkel.generic import parseXml
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75 from wokkel.pubsub import Item
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76 from wokkel.pubsub import PubSubClient
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78 from sat_pubsub import error
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79
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80 NS_ATOM = 'http://www.w3.org/2005/Atom'
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81 MIME_ATOM_ENTRY = b'application/atom+xml;type=entry'
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82 MIME_ATOM_FEED = b'application/atom+xml;type=feed'
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83 MIME_JSON = b'application/json'
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84
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85 class XMPPURIParseError(ValueError):
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86 """
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87 Raised when a given XMPP URI couldn't be properly parsed.
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88 """
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89
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92 def getServiceAndNode(uri):
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93 """
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94 Given an XMPP URI, extract the publish subscribe service JID and node ID.
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95 """
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96
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97 try:
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98 scheme, rest = uri.split(':', 1)
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99 except ValueError:
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100 raise XMPPURIParseError("No URI scheme component")
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101
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102 if scheme != 'xmpp':
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103 raise XMPPURIParseError("Unknown URI scheme")
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104
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105 if rest.startswith("//"):
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106 raise XMPPURIParseError("Unexpected URI authority component")
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107
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108 try:
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109 entity, query = rest.split('?', 1)
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110 except ValueError:
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111 entity, query = rest, ''
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112
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113 if not entity:
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114 raise XMPPURIParseError("Empty URI path component")
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115
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116 try:
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117 service = JID(entity)
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118 except Exception, e:
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119 raise XMPPURIParseError("Invalid JID: %s" % e)
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120
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121 params = urlparse.parse_qs(query)
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122
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123 try:
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124 nodeIdentifier = params['node'][0]
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125 except (KeyError, ValueError):
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126 nodeIdentifier = ''
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127
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128 return service, nodeIdentifier
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132 def getXMPPURI(service, nodeIdentifier):
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133 """
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134 Construct an XMPP URI from a service JID and node identifier.
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135 """
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136 return "xmpp:%s?;node=%s" % (service.full(), nodeIdentifier or '')
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140 def _parseContentType(header):
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141 """
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142 Parse a Content-Type header value to a L{mimetools.Message}.
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144 L{mimetools.Message} parses a Content-Type header and makes the
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145 components available with its C{getmaintype}, C{getsubtype}, C{gettype},
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146 C{getplist} and C{getparam} methods.
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147 """
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148 return mimetools.Message(StringIO(b'Content-Type: ' + header))
185
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149
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150
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151
273
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152 def _asyncResponse(render):
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153 """
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154 """
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155 def wrapped(self, request):
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156 def eb(failure):
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157 if failure.check(Error):
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158 err = failure.value
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159 else:
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160 log.err(failure)
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161 err = Error(500)
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162 request.setResponseCode(err.status, err.message)
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163 return err.response
185
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164
273
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165 def finish(result):
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166 if result is server.NOT_DONE_YET:
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167 return
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168
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169 if result:
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170 request.write(result)
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171 request.finish()
185
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172
273
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173 d = defer.maybeDeferred(render, self, request)
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174 d.addErrback(eb)
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175 d.addCallback(finish)
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176
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177 return server.NOT_DONE_YET
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178
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179 return wrapped
185
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180
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181
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182
177
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183 class CreateResource(resource.Resource):
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184 """
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185 A resource to create a publish-subscribe node.
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186 """
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187 def __init__(self, backend, serviceJID, owner):
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188 self.backend = backend
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189 self.serviceJID = serviceJID
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190 self.owner = owner
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191
185
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192
177
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193 http_GET = None
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194
185
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195
273
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196 @_asyncResponse
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197 def render_POST(self, request):
177
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198 """
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199 Respond to a POST request to create a new node.
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200 """
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201
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202 def toResponse(nodeIdentifier):
206
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203 uri = getXMPPURI(self.serviceJID, nodeIdentifier)
273
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204 body = simplejson.dumps({'uri': uri})
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205 request.setHeader(b'Content-Type', MIME_JSON)
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206 return body
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207
198
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208 d = self.backend.createNode(None, self.owner)
177
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209 d.addCallback(toResponse)
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210 return d
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211
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212
185
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213
177
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214 class DeleteResource(resource.Resource):
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215 """
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216 A resource to create a publish-subscribe node.
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217 """
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218 def __init__(self, backend, serviceJID, owner):
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219 self.backend = backend
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220 self.serviceJID = serviceJID
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221 self.owner = owner
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222
185
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223
273
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224 render_GET = None
177
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225
185
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226
273
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227 @_asyncResponse
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228 def render_POST(self, request):
177
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229 """
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230 Respond to a POST request to create a new node.
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231 """
273
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232 def toResponse(result):
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233 request.setResponseCode(http.NO_CONTENT)
209
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234
177
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235 def trapNotFound(failure):
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236 failure.trap(error.NodeNotFound)
273
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237 raise Error(http.NOT_FOUND, "Node not found")
177
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238
273
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239 if not request.args.get('uri'):
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240 raise Error(http.BAD_REQUEST, "No URI given")
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241
274
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242 try:
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243 jid, nodeIdentifier = getServiceAndNode(request.args['uri'][0])
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244 except XMPPURIParseError, e:
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245 raise Error(http.BAD_REQUEST, "Malformed XMPP URI: %s" % e)
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246
177
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247
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248 data = request.content.read()
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249 if data:
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250 params = simplejson.loads(data)
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251 redirectURI = params.get('redirect_uri', None)
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252 else:
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253 redirectURI = None
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254
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255 d = self.backend.deleteNode(nodeIdentifier, self.owner,
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256 redirectURI)
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257 d.addCallback(toResponse)
177
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258 d.addErrback(trapNotFound)
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259 return d
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260
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261
185
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262
177
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263 class PublishResource(resource.Resource):
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264 """
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265 A resource to publish to a publish-subscribe node.
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266 """
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267
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268 def __init__(self, backend, serviceJID, owner):
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269 self.backend = backend
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270 self.serviceJID = serviceJID
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271 self.owner = owner
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272
185
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273
273
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274 render_GET = None
177
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275
185
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276
177
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277 def checkMediaType(self, request):
273
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278 ctype = request.getHeader(b'content-type')
177
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279
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280 if not ctype:
273
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281 request.setResponseCode(http.BAD_REQUEST)
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282
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283 raise Error(http.BAD_REQUEST, b"No specified Media Type")
177
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284
273
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285 message = _parseContentType(ctype)
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286 if (message.maintype != b'application' or
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287 message.subtype != b'atom+xml' or
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288 message.getparam(b'type') != b'entry' or
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289 (message.getparam(b'charset') or b'utf-8') != b'utf-8'):
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290 raise Error(http.UNSUPPORTED_MEDIA_TYPE,
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291 b"Unsupported Media Type: %s" % ctype)
177
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292
185
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293
273
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294 @_asyncResponse
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295 def render_POST(self, request):
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296 """
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297 Respond to a POST request to create a new item.
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298 """
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299
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300 def toResponse(nodeIdentifier):
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301 uri = getXMPPURI(self.serviceJID, nodeIdentifier)
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302 body = simplejson.dumps({'uri': uri})
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303 request.setHeader(b'Content-Type', MIME_JSON)
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304 return body
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305
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306 def gotNode(nodeIdentifier, payload):
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307 item = Item(id='current', payload=payload)
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308 d = self.backend.publish(nodeIdentifier, [item], self.owner)
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309 d.addCallback(lambda _: nodeIdentifier)
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310 return d
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311
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312 def getNode():
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313 if request.args.get('uri'):
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314 jid, nodeIdentifier = getServiceAndNode(request.args['uri'][0])
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315 return defer.succeed(nodeIdentifier)
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316 else:
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317 return self.backend.createNode(None, self.owner)
177
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318
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319 def trapNotFound(failure):
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320 failure.trap(error.NodeNotFound)
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321 raise Error(http.NOT_FOUND, "Node not found")
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322
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323 def trapXMPPURIParseError(failure):
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324 failure.trap(XMPPURIParseError)
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325 raise Error(http.BAD_REQUEST,
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326 "Malformed XMPP URI: %s" % failure.value)
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327
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328 self.checkMediaType(request)
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329 payload = parseXml(request.content.read())
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330 d = getNode()
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331 d.addCallback(gotNode, payload)
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332 d.addCallback(toResponse)
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333 d.addErrback(trapNotFound)
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334 d.addErrback(trapXMPPURIParseError)
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335 return d
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336
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337
185
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338
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339 class ListResource(resource.Resource):
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340 def __init__(self, service):
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341 self.service = service
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342
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343
273
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344 @_asyncResponse
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345 def render_GET(self, request):
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346 def responseFromNodes(nodeIdentifiers):
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347 body = simplejson.dumps(nodeIdentifiers)
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348 request.setHeader(b'Content-Type', MIME_JSON)
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349 return body
185
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350
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351 d = self.service.getNodes()
185
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352 d.addCallback(responseFromNodes)
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353 return d
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354
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355
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356
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357 # Service for subscribing to remote XMPP Pubsub nodes and web resources
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358
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359 def extractAtomEntries(items):
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360 """
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361 Extract atom entries from a list of publish-subscribe items.
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362
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363 @param items: List of L{domish.Element}s that represent publish-subscribe
273
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364 items.
185
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365 @type items: C{list}
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366 """
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367
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368 atomEntries = []
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369
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370 for item in items:
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371 # ignore non-items (i.e. retractions)
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372 if item.name != 'item':
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373 continue
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374
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375 atomEntry = None
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376 for element in item.elements():
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377 # extract the first element that is an atom entry
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378 if element.uri == NS_ATOM and element.name == 'entry':
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379 atomEntry = element
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380 break
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381
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382 if atomEntry:
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383 atomEntries.append(atomEntry)
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384
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385 return atomEntries
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386
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387
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388
185
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389 def constructFeed(service, nodeIdentifier, entries, title):
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390 nodeURI = getXMPPURI(service, nodeIdentifier)
185
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391 now = strftime("%Y-%m-%dT%H:%M:%SZ", gmtime())
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392
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393 # Collect the received entries in a feed
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394 feed = domish.Element((NS_ATOM, 'feed'))
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395 feed.addElement('title', content=title)
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396 feed.addElement('id', content=nodeURI)
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397 feed.addElement('updated', content=now)
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398
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399 for entry in entries:
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400 feed.addChild(entry)
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401
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402 return feed
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403
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404
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405
185
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406 class RemoteSubscriptionService(service.Service, PubSubClient):
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407 """
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408 Service for subscribing to remote XMPP Publish-Subscribe nodes.
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409
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410 Subscriptions are created with a callback HTTP URI that is POSTed
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411 to with the received items in notifications.
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412 """
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413
204
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414 def __init__(self, jid, storage):
185
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415 self.jid = jid
204
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416 self.storage = storage
185
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417
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418
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419 def trapNotFound(self, failure):
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420 failure.trap(StanzaError)
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421
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422 if failure.value.condition == 'item-not-found':
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423 raise error.NodeNotFound()
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424 else:
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425 return failure
185
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426
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427
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428 def subscribeCallback(self, jid, nodeIdentifier, callback):
204
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429 """
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430 Subscribe a callback URI.
185
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431
204
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432 This registers a callback URI to be called when a notification is
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433 received for the given node.
185
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434
204
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435 If this is the first callback registered for this node, the gateway
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diff changeset
436 will subscribe to the node. Otherwise, the most recently published item
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
437 for this node is retrieved and, if present, the newly registered
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
438 callback will be called with that item.
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
439 """
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parents: 203
diff changeset
440
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parents: 203
diff changeset
441 def callbackForLastItem(items):
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
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parents: 186
diff changeset
442 atomEntries = extractAtomEntries(items)
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
443
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
444 if not atomEntries:
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
445 return
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
446
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
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parents: 186
diff changeset
447 self._postTo([callback], jid, nodeIdentifier, atomEntries[0],
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
448 MIME_ATOM_ENTRY)
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
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parents: 186
diff changeset
449
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
450 def subscribeOrItems(hasCallbacks):
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
451 if hasCallbacks:
224
55b45c7dccb4 Upon gateway subscription to the root node, don't retrieve items.
Ralph Meijer <ralphm@ik.nu>
parents: 214
diff changeset
452 if not nodeIdentifier:
55b45c7dccb4 Upon gateway subscription to the root node, don't retrieve items.
Ralph Meijer <ralphm@ik.nu>
parents: 214
diff changeset
453 return None
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
454 d = self.items(jid, nodeIdentifier, 1)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
455 d.addCallback(callbackForLastItem)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
456 else:
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
457 d = self.subscribe(jid, nodeIdentifier, self.jid)
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
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parents: 183
diff changeset
458
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
459 d.addErrback(self.trapNotFound)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 203
diff changeset
460 return d
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
461
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
462 d = self.storage.hasCallbacks(jid, nodeIdentifier)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
463 d.addCallback(subscribeOrItems)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
464 d.addCallback(lambda _: self.storage.addCallback(jid, nodeIdentifier,
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
465 callback))
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
466 return d
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
467
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
468
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
469 def unsubscribeCallback(self, jid, nodeIdentifier, callback):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
470 """
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
471 Unsubscribe a callback.
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
472
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
473 If this was the last registered callback for this node, the
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
474 gateway will unsubscribe from node.
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
475 """
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
476
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
477 def cb(last):
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
478 if last:
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
479 return self.unsubscribe(jid, nodeIdentifier, self.jid)
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
480
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
481 d = self.storage.removeCallback(jid, nodeIdentifier, callback)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
482 d.addCallback(cb)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
483 return d
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
484
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
485
203
2c46e6664680 Match wokkel API change for PubSubClient.
Ralph Meijer <ralphm@ik.nu>
parents: 198
diff changeset
486 def itemsReceived(self, event):
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
487 """
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
488 Fire up HTTP client to do callback
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
489 """
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
490
203
2c46e6664680 Match wokkel API change for PubSubClient.
Ralph Meijer <ralphm@ik.nu>
parents: 198
diff changeset
491 atomEntries = extractAtomEntries(event.items)
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
492 service = event.sender
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
493 nodeIdentifier = event.nodeIdentifier
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
494 headers = event.headers
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
495
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
496 # Don't notify if there are no atom entries
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
497 if not atomEntries:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
498 return
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
499
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
500 if len(atomEntries) == 1:
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
501 contentType = MIME_ATOM_ENTRY
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
502 payload = atomEntries[0]
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
503 else:
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
504 contentType = MIME_ATOM_FEED
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
505 payload = constructFeed(service, nodeIdentifier, atomEntries,
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
506 title='Received item collection')
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
507
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
508 self.callCallbacks(service, nodeIdentifier, payload, contentType)
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
509
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
510 if 'Collection' in headers:
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
511 for collection in headers['Collection']:
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
512 nodeIdentifier = collection or ''
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
513 self.callCallbacks(service, nodeIdentifier, payload,
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
514 contentType)
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
515
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
516
203
2c46e6664680 Match wokkel API change for PubSubClient.
Ralph Meijer <ralphm@ik.nu>
parents: 198
diff changeset
517 def deleteReceived(self, event):
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
518 """
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
519 Fire up HTTP client to do callback
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
520 """
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
521
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
522 service = event.sender
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
523 nodeIdentifier = event.nodeIdentifier
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
524 redirectURI = event.redirectURI
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
525 self.callCallbacks(service, nodeIdentifier, eventType='DELETED',
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
526 redirectURI=redirectURI)
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
527
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
528
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
529 def _postTo(self, callbacks, service, nodeIdentifier,
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
530 payload=None, contentType=None, eventType=None,
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
531 redirectURI=None):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
532
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
533 if not callbacks:
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
534 return
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
535
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
536 postdata = None
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
537 nodeURI = getXMPPURI(service, nodeIdentifier)
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
538 headers = {'Referer': nodeURI.encode('utf-8'),
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
539 'PubSub-Service': service.full().encode('utf-8')}
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
540
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
541 if payload:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
542 postdata = payload.toXml().encode('utf-8')
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
543 if contentType:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
544 headers['Content-Type'] = "%s;charset=utf-8" % contentType
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
545
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
546 if eventType:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
547 headers['Event'] = eventType
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
548
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
549 if redirectURI:
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
550 headers['Link'] = '<%s>; rel=alternate' % (
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
551 redirectURI.encode('utf-8'),
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
552 )
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
553
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
554 def postNotification(callbackURI):
214
3c45208678fa Make 204 responses not result in failure.
Ralph Meijer <ralphm@ik.nu>
parents: 211
diff changeset
555 f = getPageWithFactory(str(callbackURI),
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
556 method='POST',
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
557 postdata=postdata,
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
558 headers=headers)
214
3c45208678fa Make 204 responses not result in failure.
Ralph Meijer <ralphm@ik.nu>
parents: 211
diff changeset
559 d = f.deferred
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
560 d.addErrback(log.err)
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
561
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
562 for callbackURI in callbacks:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
563 reactor.callLater(0, postNotification, callbackURI)
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
564
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
565
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
566 def callCallbacks(self, service, nodeIdentifier,
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
567 payload=None, contentType=None, eventType=None,
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
568 redirectURI=None):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
569
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
570 def eb(failure):
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
571 failure.trap(error.NoCallbacks)
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
572
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
573 # No callbacks were registered for this node. Unsubscribe?
187
69cdd8c6a431 Make sure second subscribers through HTTP also get a notification of the
Ralph Meijer <ralphm@ik.nu>
parents: 186
diff changeset
574
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
575 d = self.storage.getCallbacks(service, nodeIdentifier)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
576 d.addCallback(self._postTo, service, nodeIdentifier, payload,
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
577 contentType, eventType, redirectURI)
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
578 d.addErrback(eb)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 203
diff changeset
579 d.addErrback(log.err)
187
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parents: 186
diff changeset
580
185
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parents: 183
diff changeset
581
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diff changeset
582
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583 class RemoteSubscribeBaseResource(resource.Resource):
177
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584 """
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parents:
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585 Base resource for remote pubsub node subscription and unsubscription.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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586
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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587 This resource accepts POST request with a JSON document that holds
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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588 a dictionary with the keys C{uri} and C{callback} that respectively map
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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589 to the XMPP URI of the publish-subscribe node and the callback URI.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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590
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parents:
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591 This class should be inherited with L{serviceMethod} overridden.
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parents:
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592
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parents:
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593 @cvar serviceMethod: The name of the method to be called with
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parents:
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594 the JID of the pubsub service, the node identifier
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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595 and the callback URI as received in the HTTP POST
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parents:
diff changeset
596 request to this resource.
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parents:
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597 """
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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598 serviceMethod = None
191
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599 errorMap = {
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600 error.NodeNotFound:
273
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601 (http.FORBIDDEN, "Node not found"),
191
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diff changeset
602 error.NotSubscribed:
273
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603 (http.FORBIDDEN, "No such subscription found"),
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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604 error.SubscriptionExists:
273
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605 (http.FORBIDDEN, "Subscription already exists"),
191
48245777acea Return proper HTTP status codes on failed un-/subscription.
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diff changeset
606 }
177
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607
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parents:
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608 def __init__(self, service):
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609 self.service = service
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610 self.params = None
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parents:
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611
185
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diff changeset
612
273
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diff changeset
613 render_GET = None
177
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614
185
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615
273
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diff changeset
616 @_asyncResponse
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diff changeset
617 def render_POST(self, request):
177
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618 def trapNotFound(failure):
191
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diff changeset
619 err = failure.trap(*self.errorMap.keys())
273
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620 status, message = self.errorMap[err]
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diff changeset
621 raise Error(status, message)
177
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622
273
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623 def toResponse(result):
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diff changeset
624 request.setResponseCode(http.NO_CONTENT)
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625 return b''
177
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parents:
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626
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parents:
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627 def trapXMPPURIParseError(failure):
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628 failure.trap(XMPPURIParseError)
273
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diff changeset
629 raise Error(http.BAD_REQUEST,
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diff changeset
630 "Malformed XMPP URI: %s" % failure.value)
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diff changeset
631
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diff changeset
632 data = request.content.read()
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633 self.params = simplejson.loads(data)
177
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634
273
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diff changeset
635 uri = self.params['uri']
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diff changeset
636 callback = self.params['callback']
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diff changeset
637
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diff changeset
638 jid, nodeIdentifier = getServiceAndNode(uri)
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diff changeset
639 method = getattr(self.service, self.serviceMethod)
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diff changeset
640 d = method(jid, nodeIdentifier, callback)
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diff changeset
641 d.addCallback(toResponse)
177
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642 d.addErrback(trapNotFound)
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parents:
diff changeset
643 d.addErrback(trapXMPPURIParseError)
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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644 return d
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parents:
diff changeset
645
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
646
185
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diff changeset
647
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648 class RemoteSubscribeResource(RemoteSubscribeBaseResource):
177
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649 """
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parents:
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650 Resource to subscribe to a remote publish-subscribe node.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
651
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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652 The passed C{uri} is the XMPP URI of the node to subscribe to and the
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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653 C{callback} is the callback URI. Upon receiving notifications from the
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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654 node, a POST request will be perfomed on the callback URI.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
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655 """
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
656 serviceMethod = 'subscribeCallback'
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parents:
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657
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parents:
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658
185
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diff changeset
659
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660 class RemoteUnsubscribeResource(RemoteSubscribeBaseResource):
177
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661 """
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parents:
diff changeset
662 Resource to unsubscribe from a remote publish-subscribe node.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
663
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
664 The passed C{uri} is the XMPP URI of the node to unsubscribe from and the
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
665 C{callback} is the callback URI that was registered for it.
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
666 """
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
667 serviceMethod = 'unsubscribeCallback'
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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parents:
diff changeset
668
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parents:
diff changeset
669
185
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diff changeset
670
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671 class RemoteItemsResource(resource.Resource):
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672 """
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diff changeset
673 Resource for retrieving items from a remote pubsub node.
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
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diff changeset
674 """
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diff changeset
675
177
faf1c9bc2612 Add HTTP gateway in a separate plugin.
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676 def __init__(self, service):
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parents:
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677 self.service = service
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parents:
diff changeset
678
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
679
273
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diff changeset
680 @_asyncResponse
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681 def render_GET(self, request):
185
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diff changeset
682 try:
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
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parents: 183
diff changeset
683 maxItems = int(request.args.get('max_items', [0])[0]) or None
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684 except ValueError:
273
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685 raise Error(http.BAD_REQUEST,
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diff changeset
686 "The argument max_items has an invalid value.")
185
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diff changeset
687
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diff changeset
688 try:
198
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diff changeset
689 uri = request.args['uri'][0]
185
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diff changeset
690 except KeyError:
273
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diff changeset
691 raise Error(http.BAD_REQUEST,
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
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parents: 255
diff changeset
692 "No URI for the remote node provided.")
198
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parents: 191
diff changeset
693
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 191
diff changeset
694 try:
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diff changeset
695 jid, nodeIdentifier = getServiceAndNode(uri)
185
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diff changeset
696 except XMPPURIParseError:
273
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diff changeset
697 raise Error(http.BAD_REQUEST,
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
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diff changeset
698 "Malformed XMPP URI: %s" % uri)
177
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699
273
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diff changeset
700 def toResponse(items):
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diff changeset
701 """
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diff changeset
702 Create a feed out the retrieved items.
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diff changeset
703 """
185
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diff changeset
704 atomEntries = extractAtomEntries(items)
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diff changeset
705 feed = constructFeed(jid, nodeIdentifier, atomEntries,
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diff changeset
706 "Retrieved item collection")
273
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diff changeset
707 body = feed.toXml().encode('utf-8')
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diff changeset
708 request.setHeader(b'Content-Type', MIME_ATOM_FEED)
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diff changeset
709 return body
185
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diff changeset
710
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diff changeset
711 def trapNotFound(failure):
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diff changeset
712 failure.trap(StanzaError)
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diff changeset
713 if not failure.value.condition == 'item-not-found':
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diff changeset
714 raise failure
273
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diff changeset
715 raise Error(http.NOT_FOUND, "Node not found")
185
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diff changeset
716
186
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diff changeset
717 d = self.service.items(jid, nodeIdentifier, maxItems)
273
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718 d.addCallback(toResponse)
185
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719 d.addErrback(trapNotFound)
177
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720 return d
183
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diff changeset
721
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722
185
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diff changeset
723
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parents: 183
diff changeset
724 # Client side code to interact with a service as provided above
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
725
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
726 def getPageWithFactory(url, contextFactory=None, *args, **kwargs):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
727 """Download a web page.
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
728
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
729 Download a page. Return the factory that holds a deferred, which will
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
730 callback with a page (as a string) or errback with a description of the
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
731 error.
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
732
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
733 See HTTPClientFactory to see what extra args can be passed.
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
734 """
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
735
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
736 factory = client.HTTPClientFactory(url, *args, **kwargs)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
737 factory.protocol.handleStatus_204 = lambda self: self.handleStatus_200()
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
738
275
9c74cd2635f6 Fix getPageWithFactory
Christopher Zorn <tofu@thetofu.com>
parents: 274
diff changeset
739 if factory.scheme == 'https':
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
740 from twisted.internet import ssl
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
741 if contextFactory is None:
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
742 contextFactory = ssl.ClientContextFactory()
275
9c74cd2635f6 Fix getPageWithFactory
Christopher Zorn <tofu@thetofu.com>
parents: 274
diff changeset
743 reactor.connectSSL(factory.host, factory.port, factory, contextFactory)
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
744 else:
275
9c74cd2635f6 Fix getPageWithFactory
Christopher Zorn <tofu@thetofu.com>
parents: 274
diff changeset
745 reactor.connectTCP(factory.host, factory.port, factory)
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
746 return factory
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
747
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
748
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
749
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
750 class CallbackResource(resource.Resource):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
751 """
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
752 Web resource for retrieving gateway notifications.
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
753 """
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
754
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
755 def __init__(self, callback):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
756 self.callback = callback
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
757
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
758
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
759 http_GET = None
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
760
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
761
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
762 def render_POST(self, request):
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
763 if request.requestHeaders.hasHeader(b'Event'):
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
764 payload = None
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
765 else:
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
766 payload = parseXml(request.content.read())
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
767
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
768 self.callback(payload, request.requestHeaders)
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
769
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
770 request.setResponseCode(http.NO_CONTENT)
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
771 return b''
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
772
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
773
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
774
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
775
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
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parents: 177
diff changeset
776 class GatewayClient(service.Service):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
777 """
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
778 Service that provides client access to the HTTP Gateway into Idavoll.
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
779 """
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
780
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
781 agent = "Idavoll HTTP Gateway Client"
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
782
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
783 def __init__(self, baseURI, callbackHost=None, callbackPort=None):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
784 self.baseURI = baseURI
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
785 self.callbackHost = callbackHost or 'localhost'
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
786 self.callbackPort = callbackPort or 8087
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
787 root = resource.Resource()
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
788 root.putChild('callback', CallbackResource(
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
789 lambda *args, **kwargs: self.callback(*args, **kwargs)))
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
790 self.site = server.Site(root)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
791
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
792
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
793 def startService(self):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
794 self.port = reactor.listenTCP(self.callbackPort,
273
6ba0d6def7f5 Use twisted.web instead of web2, initial tests.
Ralph Meijer <ralphm@ik.nu>
parents: 255
diff changeset
795 self.site)
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
796
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
797
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
798 def stopService(self):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
799 return self.port.stopListening()
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
800
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
801
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
802 def _makeURI(self, verb, query=None):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
803 uriComponents = urlparse.urlparse(self.baseURI)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
804 uri = urlparse.urlunparse((uriComponents[0],
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
805 uriComponents[1],
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
806 uriComponents[2] + verb,
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
807 '',
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
808 query and urllib.urlencode(query) or '',
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
809 ''))
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
810 return uri
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
811
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
812
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
813 def callback(self, data, headers):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
814 pass
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
815
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
816
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
817 def ping(self):
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
818 f = getPageWithFactory(self._makeURI(''),
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
819 method='HEAD',
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
820 agent=self.agent)
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
821 return f.deferred
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
822
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
823
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
824 def create(self):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
825 f = getPageWithFactory(self._makeURI('create'),
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
826 method='POST',
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
827 agent=self.agent)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
828 return f.deferred.addCallback(simplejson.loads)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
829
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
830
209
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
831 def delete(self, xmppURI, redirectURI=None):
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
832 query = {'uri': xmppURI}
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
833
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
834 if redirectURI:
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
835 params = {'redirect_uri': redirectURI}
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
836 postdata = simplejson.dumps(params)
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
837 headers = {'Content-Type': MIME_JSON}
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
838 else:
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
839 postdata = None
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
840 headers = None
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
841
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
842 f = getPageWithFactory(self._makeURI('delete', query),
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
843 method='POST',
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
844 postdata=postdata,
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
845 headers=headers,
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
846 agent=self.agent)
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
847 return f.deferred
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
848
7f3ffb7a1a9e Add support for node deletion with redirect.
Ralph Meijer <ralphm@ik.nu>
parents: 206
diff changeset
849
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
850 def publish(self, entry, xmppURI=None):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
851 query = xmppURI and {'uri': xmppURI}
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
852
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
853 f = getPageWithFactory(self._makeURI('publish', query),
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
854 method='POST',
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
855 postdata=entry.toXml().encode('utf-8'),
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
856 headers={'Content-Type': MIME_ATOM_ENTRY},
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
857 agent=self.agent)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
858 return f.deferred.addCallback(simplejson.loads)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
859
185
9038908dc2f5 Add gateway support for retrieving items from a node. Reorder gateway module.
Ralph Meijer <ralphm@ik.nu>
parents: 183
diff changeset
860
183
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
861 def listNodes(self):
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
862 f = getPageWithFactory(self._makeURI('list'),
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
863 method='GET',
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
864 agent=self.agent)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
Ralph Meijer <ralphm@ik.nu>
parents: 177
diff changeset
865 return f.deferred.addCallback(simplejson.loads)
c21b986cff30 Implement HTTP client to gateway and implement functional tests with it.
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866
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867
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868 def subscribe(self, xmppURI):
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869 params = {'uri': xmppURI,
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870 'callback': 'http://%s:%s/callback' % (self.callbackHost,
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871 self.callbackPort)}
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872 f = getPageWithFactory(self._makeURI('subscribe'),
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873 method='POST',
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874 postdata=simplejson.dumps(params),
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875 headers={'Content-Type': MIME_JSON},
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876 agent=self.agent)
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877 return f.deferred
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878
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879
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880 def unsubscribe(self, xmppURI):
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881 params = {'uri': xmppURI,
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882 'callback': 'http://%s:%s/callback' % (self.callbackHost,
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883 self.callbackPort)}
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884 f = getPageWithFactory(self._makeURI('unsubscribe'),
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885 method='POST',
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886 postdata=simplejson.dumps(params),
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887 headers={'Content-Type': MIME_JSON},
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888 agent=self.agent)
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889 return f.deferred
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890
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891
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892 def items(self, xmppURI, maxItems=None):
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893 query = {'uri': xmppURI}
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894 if maxItems is not None:
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895 query['max_items'] = int(maxItems)
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896 f = getPageWithFactory(self._makeURI('items', query),
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897 method='GET',
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898 agent=self.agent)
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899 return f.deferred