1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Service_ShortUrl

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version    $Id: $

    20  */

    21 

    22 /**

    23  * @see Zend_Service_ShortUrl_AbstractShortener

    24  */

    25 require_once 'Zend/Service/ShortUrl/AbstractShortener.php';

    26 

    27 /**

    28  * Is.gd API implementation

    29  *

    30  * @category   Zend

    31  * @package    Zend_Service_ShortUrl

    32  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    33  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    34  */

    35 class Zend_Service_ShortUrl_IsGd extends Zend_Service_ShortUrl_AbstractShortener

    36 {

    37     /**

    38      * Base URI of the service

    39      *

    40      * @var string

    41      */

    42     protected $_baseUri = 'http://is.gd';

    43     

    44     /**

    45      * This function shortens long url

    46      *

    47      * @param string $url URL to Shorten

    48      * @throws Zend_Service_ShortUrl_Exception When URL is not valid

    49      * @return string New URL

    50      */

    51     public function shorten($url)

    52     {

    53         $this->_validateUri($url);

    54         

    55         $serviceUri = 'http://is.gd/api.php';

    56         

    57         $this->getHttpClient()->resetParameters(true);

    58         $this->getHttpClient()->setUri($serviceUri);

    59         $this->getHttpClient()->setParameterGet('longurl', $url);

    60         

    61         $response = $this->getHttpClient()->request();

    62         

    63         return $response->getBody();

    64     }

    65 

    66    /**

    67      * Reveals target for short URL

    68      *

    69      * @param string $shortenedUrl URL to reveal target of

    70      * @throws Zend_Service_ShortUrl_Exception When URL is not valid or is not shortened by this service

    71      * @return string

    72      */

    73     public function unshorten($shortenedUrl)

    74     {

    75         $this->_validateUri($shortenedUrl);

    76 

    77         $this->_verifyBaseUri($shortenedUrl);

    78         

    79         $this->getHttpClient()->resetParameters(true);

    80         $this->getHttpClient()->setUri($shortenedUrl);

    81         $this->getHttpClient()->setConfig(array('maxredirects' => 0));

    82         

    83         $response = $this->getHttpClient()->request();

    84         if ($response->isError()) {

    85             require_once 'Zend/Service/ShortUrl/Exception.php';

    86             throw new Zend_Service_ShortUrl_Exception($response->getMessage());

    87         }

    88         

    89         if ($response->isRedirect()) {

    90             return $response->getHeader('Location');

    91         }

    92         

    93         require_once 'Zend/Service/ShortUrl/Exception.php';

    94         throw new Zend_Service_ShortUrl_Exception('Url unshortening was not successful');

    95     }

    96 }