Файл: admin/sources/classes/url/shorten.php
Строк: 108
<?php
/**
* <pre>
* Invision Power Services
* IP.Board v3.3.3
* URL Shortener
* Owner: Matt Mecham
* Last Updated: $Date: 2012-05-10 16:10:13 -0400 (Thu, 10 May 2012) $
* </pre>
*
* @author Matt Mecham
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/company/standards.php#license
* @package IP.Board
* @link http://www.invisionpower.com
* @since 24th November 2009
* @version $Revision: 10721 $
*/
/*
# Example: Shorten URL
# require_once( IPS_ROOT_PATH . 'sources/classes/url/shorten.php' );/*noLibHook*/
# $shorten = new urlShorten();
# $data = $shorten->shorten( 'http://www.invisionpower.com', 'bitly' );
#
# print $data['url'];
#
# Example: List available shorteners
# require_once( IPS_ROOT_PATH . 'sources/classes/url/shorten.php' );/*noLibHook*/
# $shorten = new urlShorten();
#
# print_r( $shorten->fetchAvailableApis() );
#
class urlShorten
{
/**
* Main API classes directory
*
* @var $_mainDir
*/
protected $_mainDir;
/**
* API object
*
* @var $_api
*/
protected $_api;
/**
* Array of additional error messages
*
* @var $errors
*/
public $errors = array();
/**
* Method constructor
*
* @return @e void
*
* @throws Exception
* @li NO_METHOD (API class could not be found)
*/
public function __construct()
{
$this->_mainDir = IPS_ROOT_PATH . 'sources/classes/url/apis';
}
/**
* Shorten URL
*
* @param string $url URL to shorten
* @param string $apiKey Method key to use (If left blank, we'll just grab the first one)
* @return @e array Shortened url data
*
* @throws Exception
* @li NO_METHOD (API class could not be found)
* @li BAD_FORMAT (URL is not in the correct format)
* @li FAILED (URL shorten failed)
*/
public function shorten( $url, $apiKey )
{
/* Check URL */
if ( ! strstr( $url, 'http://' ) AND ! strstr( $url, 'https://' ) )
{
throw new Exception( 'BAD_FORMAT' );
}
if ( $apiKey )
{
$_thisDir = $this->_mainDir . '/' . $apiKey;
if ( @is_file( $_thisDir . '/api.php' ) )
{
$this->_setMethod( $apiKey );
}
}
else
{
/* We don't care */
$apis = $this->fetchAvailableApis();
if ( is_array( $apis ) AND count( $apis ) )
{
$apiKey = array_shift( $apis );
if ( $apiKey )
{
$this->_setMethod( $apiKey );
}
}
}
if ( ! is_object( $this->_api ) )
{
throw new Exception( 'NO_METHOD' );
}
/* still here? */
$data = $this->_api->apiShorten( $url );
if ( $data['status'] == 'ok' )
{
return $data;
}
else
{
/* could do something more useful here */
throw new Exception( 'FAILED' );
}
}
/**
* Set method
* Assumes that the folder and files exist
*
* @param string $apiKey API key
* @return @e void
*/
protected function _setMethod( $apiKey )
{
$config = array();
if ( is_file( $this->_mainDir . '/' . $apiKey . '/conf.php' ) )
{
require( $this->_mainDir . '/' . $apiKey . '/conf.php' );/*noLibHook*/
}
$classToLoad = IPSLib::loadLibrary( $this->_mainDir . '/' . $apiKey . '/api.php', $apiKey );
$this->_api = new $classToLoad( $config );
}
/**
* Fetch all available APIs
*
* @return @e array Available APIs
*/
public function fetchAvailableApis()
{
$apis = array();
try
{
foreach( new DirectoryIterator( $this->_mainDir ) as $file )
{
if ( ! $file->isDot() AND $file->isDir() )
{
$_name = $file->getFileName();
if ( substr( $_name, 0, 1 ) != '.' )
{
$apis[] = $_name;
}
}
}
} catch ( Exception $e ) {}
return $apis;
}
}