Viewing file:  OAuthFetcherFactory.php (3.04 KB) -rwxr-xr-x
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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* Produces OAuth content fetchers for input tokens.
*/
class OAuthFetcherFactory {
/** used to encrypt state stored on the client */
protected $oauthCrypter;
/** persistent storage for OAuth tokens */
protected $tokenStore;
public function __construct($fetcher = null, $oauthCrypter = null, $tokenStore = null) {
if (isset($oauthCrypter) && isset($tokenStore)) {
return $this->OAuthFetcherFactoryCreate($oauthCrypter, $tokenStore);
} elseif (isset($fetcher)) {
return $this->OAuthFetcherFactoryInit($fetcher);
} else {
throw new Exception('Wrong number of parameters in the OAuthFetcherFactory constuct');
}
}
/**
* Initialize the OAuth factory with a default implementation of
* BlobCrypter and consumer keys/secrets read from oauth.js
*/
public function OAuthFetcherFactoryInit($fetcher) {
try {
$BBC = new BasicBlobCrypter();
$this->oauthCrypter = new BasicBlobCrypter(srand($BBC->MASTER_KEY_MIN_LEN));
$specFactory = new BasicGadgetSpecFactory();
$OAuthStore = Config::get('oauth_store');
$basicStore = new BasicGadgetOAuthTokenStore(new $OAuthStore, $specFactory);
$basicStore->initFromConfigFile($fetcher);
$this->tokenStore = $basicStore;
} catch (Exeption $e) {}
}
/**
* Creates an OAuthFetcherFactory based on prepared crypter and token store.
*
* @param oauthCrypter used to wrap client side state
* @param tokenStore used as interface to persistent token store.
*/
protected function OAuthFetcherFactoryCreate($oauthCrypter, $tokenStore) {
$this->oauthCrypter = $oauthCrypter;
$this->tokenStore = $tokenStore;
}
/**
* Produces an OAuthFetcher that will sign requests and delegate actual
* network retrieval to the {@code fetcher}
*
* @param fetcher The fetcher that will fetch real content
* @param token The gadget token used to identity the user and gadget
* @param params The parsed parameters the gadget requested
* @return The oauth fetcher.
* @throws GadgetException
*/
public function getOAuthFetcher(RemoteContentFetcher $fetcher, SecurityToken $token, OAuthRequestParams $params) {
return new OAuthFetcher($this->tokenStore, $this->oauthCrypter, $fetcher, $token, $params);
}
}
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