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  * TinyUrl.com 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_TinyUrlCom extends Zend_Service_ShortUrl_AbstractShortener

    36 {

    37     /**

    38      * Base URI of the service

    39      *

    40      * @var string

    41      */

    42     protected $_baseUri = 'http://tinyurl.com';

    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://tinyurl.com/api-create.php';

    56         

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

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

    59         

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

    61         

    62         return $response->getBody();

    63     }

    64 

    65     /**

    66      * Reveals target for short URL

    67      *

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

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

    70      * @return string

    71      */

    72     public function unshorten($shortenedUrl)

    73     {

    74         $this->_validateUri($shortenedUrl);

    75         

    76         $this->_verifyBaseUri($shortenedUrl);

    77         

    78         //TinyUrl.com does not have an API for that, but we can use preview feature

    79         //we need new Zend_Http_Client

    80         $this->setHttpClient(new Zend_Http_Client());

    81         

    82         $this->getHttpClient()

    83              ->setCookie('preview', 1)

    84              ->setUri($shortenedUrl);

    85 

    86         //get response

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

    88         

    89         require_once 'Zend/Dom/Query.php';

    90         $dom = new Zend_Dom_Query($response->getBody());

    91         

    92         //find the redirect url link

    93         $results = $dom->query('a#redirecturl');

    94         

    95         //get href

    96         $originalUrl = $results->current()->getAttribute('href');

    97         

    98         return $originalUrl;

    99     }

   100 }