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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Oauth
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** Zend_Oauth */
 // require_once 'Zend/Oauth.php';
 
 /** Zend_Uri */
 // require_once 'Zend/Uri.php';
 
 /** Zend_Oauth_Http_RequestToken */
 // require_once 'Zend/Oauth/Http/RequestToken.php';
 
 /** Zend_Oauth_Http_UserAuthorization */
 // require_once 'Zend/Oauth/Http/UserAuthorization.php';
 
 /** Zend_Oauth_Http_AccessToken */
 // require_once 'Zend/Oauth/Http/AccessToken.php';
 
 /** Zend_Oauth_Token_AuthorizedRequest */
 // require_once 'Zend/Oauth/Token/AuthorizedRequest.php';
 
 /** Zend_Oauth_Config */
 // require_once 'Zend/Oauth/Config.php';
 
 /**
  * @category   Zend
  * @package    Zend_Oauth
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Oauth_Consumer extends Zend_Oauth
 {
     public $switcheroo = false; // replace later when this works
 
     /**
      * Request Token retrieved from OAuth Provider
      *
      * @var Zend_Oauth_Token_Request
      */
     protected $_requestToken = null;
 
     /**
      * Access token retrieved from OAuth Provider
      *
      * @var Zend_Oauth_Token_Access
      */
     protected $_accessToken = null;
 
     /**
      * @var Zend_Oauth_Config
      */
     protected $_config = null;
 
     /**
      * Constructor; create a new object with an optional array|Zend_Config
      * instance containing initialising options.
      *
      * @param  array|Zend_Config $options
      * @return void
      */
     public function __construct($options = null)
     {
         $this->_config = new Zend_Oauth_Config;
         if ($options !== null) {
             if ($options instanceof Zend_Config) {
                 $options = $options->toArray();
             }
             $this->_config->setOptions($options);
         }
     }
 
     /**
      * Attempts to retrieve a Request Token from an OAuth Provider which is
      * later exchanged for an authorized Access Token used to access the
      * protected resources exposed by a web service API.
      *
      * @param  null|array $customServiceParameters Non-OAuth Provider-specified parameters
      * @param  null|string $httpMethod
      * @param  null|Zend_Oauth_Http_RequestToken $request
      * @return Zend_Oauth_Token_Request
      */
     public function getRequestToken(
         array $customServiceParameters = null,
         $httpMethod = null,
         Zend_Oauth_Http_RequestToken $request = null
     ) {
         if ($request === null) {
             $request = new Zend_Oauth_Http_RequestToken($this, $customServiceParameters);
         } elseif($customServiceParameters !== null) {
             $request->setParameters($customServiceParameters);
         }
         if ($httpMethod !== null) {
             $request->setMethod($httpMethod);
         } else {
             $request->setMethod($this->getRequestMethod());
         }
         $this->_requestToken = $request->execute();
         return $this->_requestToken;
     }
 
     /**
      * After a Request Token is retrieved, the user may be redirected to the
      * OAuth Provider to authorize the application's access to their
      * protected resources - the redirect URL being provided by this method.
      * Once the user has authorized the application for access, they are
      * redirected back to the application which can now exchange the previous
      * Request Token for a fully authorized Access Token.
      *
      * @param  null|array $customServiceParameters
      * @param  null|Zend_Oauth_Token_Request $token
      * @param  null|Zend_OAuth_Http_UserAuthorization $redirect
      * @return string
      */
     public function getRedirectUrl(
         array $customServiceParameters = null,
         Zend_Oauth_Token_Request $token = null,
         Zend_Oauth_Http_UserAuthorization $redirect = null
     ) {
         if ($redirect === null) {
             $redirect = new Zend_Oauth_Http_UserAuthorization($this, $customServiceParameters);
         } elseif($customServiceParameters !== null) {
             $redirect->setParameters($customServiceParameters);
         }
         if ($token !== null) {
             $this->_requestToken = $token;
         }
         return $redirect->getUrl();
     }
 
     /**
      * Rather than retrieve a redirect URL for use, e.g. from a controller,
      * one may perform an immediate redirect.
      *
      * Sends headers and exit()s on completion.
      *
      * @param  null|array $customServiceParameters
      * @param  null|Zend_Oauth_Token_Request $token
      * @param  null|Zend_Oauth_Http_UserAuthorization $request
      * @return void
      */
     public function redirect(
         array $customServiceParameters = null,
         Zend_Oauth_Token_Request $token = null,
         Zend_Oauth_Http_UserAuthorization $request = null
     ) {
         if ($token instanceof Zend_Oauth_Http_UserAuthorization) {
             $request = $token;
             $token = null;
         }
         $redirectUrl = $this->getRedirectUrl($customServiceParameters, $token, $request);
         header('Location: ' . $redirectUrl);
         exit(1);
     }
 
     /**
      * Retrieve an Access Token in exchange for a previously received/authorized
      * Request Token.
      *
      * @param  array $queryData GET data returned in user's redirect from Provider
      * @param  Zend_Oauth_Token_Request Request Token information
      * @param  string $httpMethod
      * @param  Zend_Oauth_Http_AccessToken $request
      * @return Zend_Oauth_Token_Access
      * @throws Zend_Oauth_Exception on invalid authorization token, non-matching response authorization token, or unprovided authorization token
      */
     public function getAccessToken(
         $queryData,
         Zend_Oauth_Token_Request $token,
         $httpMethod = null,
         Zend_Oauth_Http_AccessToken $request = null
     ) {
         $authorizedToken = new Zend_Oauth_Token_AuthorizedRequest($queryData);
         if (!$authorizedToken->isValid()) {
             // require_once 'Zend/Oauth/Exception.php';
             throw new Zend_Oauth_Exception(
                 'Response from Service Provider is not a valid authorized request token');
         }
         if ($request === null) {
             $request = new Zend_Oauth_Http_AccessToken($this);
         }
 
         // OAuth 1.0a Verifier
         if ($authorizedToken->getParam('oauth_verifier') !== null) {
             $params = array_merge($request->getParameters(), array(
                 'oauth_verifier' => $authorizedToken->getParam('oauth_verifier')
             ));
             $request->setParameters($params);
         }
         if ($httpMethod !== null) {
             $request->setMethod($httpMethod);
         } else {
             $request->setMethod($this->getRequestMethod());
         }
         if (isset($token)) {
             if ($authorizedToken->getToken() !== $token->getToken()) {
                 // require_once 'Zend/Oauth/Exception.php';
                 throw new Zend_Oauth_Exception(
                     'Authorized token from Service Provider does not match'
                     . ' supplied Request Token details'
                 );
             }
         } else {
             // require_once 'Zend/Oauth/Exception.php';
             throw new Zend_Oauth_Exception('Request token must be passed to method');
         }
         $this->_requestToken = $token;
         $this->_accessToken = $request->execute();
         return $this->_accessToken;
     }
 
     /**
      * Return whatever the last Request Token retrieved was while using the
      * current Consumer instance.
      *
      * @return Zend_Oauth_Token_Request
      */
     public function getLastRequestToken()
     {
         return $this->_requestToken;
     }
 
     /**
      * Return whatever the last Access Token retrieved was while using the
      * current Consumer instance.
      *
      * @return Zend_Oauth_Token_Access
      */
     public function getLastAccessToken()
     {
         return $this->_accessToken;
     }
 
     /**
      * Alias to self::getLastAccessToken()
      *
      * @return Zend_Oauth_Token_Access
      */
     public function getToken()
     {
         return $this->_accessToken;
     }
 
     /**
      * Simple Proxy to the current Zend_Oauth_Config method. It's that instance
      * which holds all configuration methods and values this object also presents
      * as it's API.
      *
      * @param  string $method
      * @param  array $args
      * @return mixed
      * @throws Zend_Oauth_Exception if method does not exist in config object
      */
     public function __call($method, array $args)
     {
         if (!method_exists($this->_config, $method)) {
             // require_once 'Zend/Oauth/Exception.php';
             throw new Zend_Oauth_Exception('Method does not exist: '.$method);
         }
         return call_user_func_array(array($this->_config,$method), $args);
     }
 }