193 lines
3.5 KiB
PHP
193 lines
3.5 KiB
PHP
<?php
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/**
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* <pre>
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* Invision Power Services
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* IP.Board v3.1.4
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* URL Shortener
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* Owner: Matt Mecham
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* Last Updated: $Date: 2010-01-15 10:18:44 -0500 (Fri, 15 Jan 2010) $
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* </pre>
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*
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* @author Matt Mecham
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license http://www.invisionpower.com/community/board/license.html
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* @package IP.Board
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* @link http://www.invisionpower.com
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* @since 24th November 2009
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* @version $Revision: 5713 $
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*/
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/*
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Example: Shorten URL
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require_once( IPS_ROOT_PATH . 'sources/classes/url/shorten.php' );
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$shorten = new urlShorten();
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$data = $shorten->shorten( 'http://www.invisionpower.com', 'bitly' );
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print $data['url'];
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Example: List available shorteners
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require_once( IPS_ROOT_PATH . 'sources/classes/url/shorten.php' );
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$shorten = new urlShorten();
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print_r( $shorten->fetchAvailableApis() );
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*/
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class urlShorten
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{
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/**
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* Main API classes directory
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*
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* @access public
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* @var object
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*/
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private $_mainDir;
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/**
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* API class
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*
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* @access public
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* @var object
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*/
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private $_api;
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/**
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* Additional error messages
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*
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* @access public
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* @var array
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*/
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public $errors = array();
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/**
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* Method constructor
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*
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* @access public
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* @return void
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*
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* EXCEPTION MESSAGES
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* NO_METHOD API class could not be found
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*/
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public function __construct()
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{
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$this->_mainDir = IPS_ROOT_PATH . 'sources/classes/url/apis';
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}
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/**
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* Shorten URL
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*
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* @access public
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* @param string URL to shorten
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* @param string Method key to use (If left blank, we'll just grab the first one)
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* @return array
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*
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* EXCEPTION MESSAGES
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* NO_METHOD API class could not be found
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* BAD_FORMAT URL is not in the correct format
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* FAILED URL shorten failed
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*/
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public function shorten( $url, $apiKey )
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{
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/* Check URL */
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if ( ! strstr( $url, 'http://' ) AND ! strstr( $url, 'https://' ) )
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{
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throw new Exception( 'BAD_FORMAT' );
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}
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if ( $apiKey )
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{
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$_thisDir = $this->_mainDir . '/' . $apiKey;
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if ( @file_exists( $_thisDir . '/api.php' ) )
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{
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$this->_setMethod( $apiKey );
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}
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}
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else
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{
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/* We don't care */
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$apis = $this->fetchAvailableApis();
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if ( is_array( $apis ) AND count( $apis ) )
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{
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$apiKey = array_shift( $apis );
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if ( $apiKey )
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{
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$this->_setMethod( $apiKey );
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}
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}
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}
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if ( ! is_object( $this->_api ) )
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{
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throw new Exception( 'NO_METHOD' );
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}
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/* still here? */
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$data = $this->_api->apiShorten( $url );
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if ( $data['status'] == 'ok' )
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{
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return $data;
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}
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else
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{
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/* could do something more useful here */
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throw new Exception( 'FAILED' );
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}
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}
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/**
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* Set method
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* Assumes that the folder and files exist
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*
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* @access private
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* @param string
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*/
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private function _setMethod( $apiKey )
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{
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$config = array();
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if ( file_exists( $this->_mainDir . '/' . $apiKey . '/conf.php' ) )
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{
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require( $this->_mainDir . '/' . $apiKey . '/conf.php' );
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}
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require_once( $this->_mainDir . '/' . $apiKey . '/api.php' );
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$this->_api = new $apiKey( $config );
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}
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/**
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* Fetch all available APIs
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*
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* @access public
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* @return array
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*/
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public function fetchAvailableApis()
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{
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$apis = array();
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try
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{
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foreach( new DirectoryIterator( $this->_mainDir ) as $file )
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{
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if ( ! $file->isDot() AND $file->isDir() )
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{
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$_name = $file->getFileName();
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if ( substr( $_name, 0, 1 ) != '.' )
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{
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$apis[] = $_name;
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}
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}
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}
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} catch ( Exception $e ) {}
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return $apis;
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}
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} |