--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Service/ShortUrl/BitLy.php	Thu Mar 21 19:52:38 2013 +0100
@@ -0,0 +1,167 @@
+<?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_Service_ShortUrl
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Service_ShortUrl_AbstractShortener
+ */
+require_once 'Zend/Service/ShortUrl/AbstractShortener.php';
+
+/**
+ * Bit.ly API implementation
+ *
+ * @category   Zend
+ * @package    Zend_Service_ShortUrl
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Service_ShortUrl_BitLy extends Zend_Service_ShortUrl_AbstractShortener
+{
+
+    /**
+     * Base URI of the service
+     *
+     * @var string
+     */
+    protected $_apiUri = 'http://api.bitly.com';
+
+    /**
+     * user login name
+     *
+     * @var string
+     */
+    protected $_loginName;
+
+    /**
+     * user API key or application access token
+     *
+     * @var string
+     */
+    protected $_apiKey;
+
+    /**
+     * @param string $login user login name or application access token
+     * @param null|string $apiKey user API key
+     */
+    public function __construct($login, $apiKey = null)
+    {
+        if(null === $apiKey) {
+            $this->setOAuthAccessToken($login);
+        } else {
+            $this->setApiLogin($login, $apiKey);
+        }
+    }
+
+    /**
+     * set OAuth credentials
+     *
+     * @param $accessToken
+     * @return Zend_Service_ShortUrl_BitLy
+     */
+    public function setOAuthAccessToken($accessToken)
+    {
+        $this->_apiKey = $accessToken;
+        $this->_loginName = null;
+        return $this;
+    }
+
+    /**
+     * set login credentials
+     *
+     * @param $login
+     * @param $apiKey
+     * @return Zend_Service_ShortUrl_BitLy
+     */
+    public function setApiLogin($login, $apiKey)
+    {
+        $this->_apiKey = $apiKey;
+        $this->_loginName = $login;
+        return $this;
+    }
+
+    /**
+     * prepare http client
+     * @return void
+     */
+    protected function _setAccessParameter()
+    {
+        if(null === $this->_loginName) {
+            //OAuth login
+            $this->getHttpClient()->setParameterGet('access_token', $this->_apiKey);
+        } else {
+            //login/APIKey authentication
+            $this->getHttpClient()->setParameterGet('login',$this->_loginName);
+            $this->getHttpClient()->setParameterGet('apiKey',$this->_apiKey);
+        }
+    }
+
+    /**
+     * handle bit.ly response
+     *
+     * @return string
+     * @throws Zend_Service_ShortUrl_Exception
+     */
+    protected function _processRequest()
+    {
+        $response = $this->getHttpClient()->request();
+        if(500 == $response->getStatus()) {
+            throw new Zend_Service_ShortUrl_Exception('Bit.ly :: '.$response->getBody());
+        }
+        return $response->getBody();
+    }
+
+    /**
+     * This function shortens long url
+     *
+     * @param  string $url URL to Shorten
+     * @throws Zend_Service_ShortUrl_Exception if bit.ly reports an error
+     * @return string Shortened Url
+     */
+    public function shorten($url)
+    {
+        $this->_validateUri($url);
+        $this->_setAccessParameter();
+
+        $this->getHttpClient()->setUri($this->_apiUri.'/v3/shorten');
+        $this->getHttpClient()->setParameterGet('longUrl',$url);
+        $this->getHttpClient()->setParameterGet('format','txt');
+
+        return $this->_processRequest();
+    }
+
+    /**
+     * Reveals target for short URL
+     *
+     * @param  string $shortenedUrl URL to reveal target of
+     * @throws Zend_Service_ShortUrl_Exception if bit.ly reports an error
+     * @return string Unshortened Url
+     */
+    public function unshorten($shortenedUrl)
+    {
+        $this->_validateUri($shortenedUrl);
+        $this->_setAccessParameter();
+
+        $this->getHttpClient()->setUri($this->_apiUri.'/v3/expand');
+        $this->getHttpClient()->setParameterGet('shortUrl',$shortenedUrl);
+        $this->getHttpClient()->setParameterGet('format','txt');
+
+        return $this->_processRequest();
+    }
+}