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Your IP : 216.73.216.152
<?php
/**
* JCH Optimize - Aggregate and minify external resources for optmized downloads
*
* @author Samuel Marshall <sdmarshall73@gmail.com>
* @copyright Copyright (c) 2010 Samuel Marshall
* @license GNU/GPLv3, See LICENSE file
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* If LICENSE file missing, see <http://www.gnu.org/licenses/>.
*/
defined('_JCH_EXEC') or die('Restricted access');
/**
*
*
*/
class JchOptimizeFileRetriever
{
protected static $instance = FALSE;
protected static $oHttpAdapter = Null;
public $response_code = null;
public $allow_400 = FALSE;
/**
*
*/
private function __construct()
{
}
/**
*
* @param type $sPath
* @return type
*/
public function getFileContents($sPath, $aPost = null, $aHeader = null, $sOrigPath = '')
{
$oHttpAdapter = $this->getHttpAdapter();
if (strpos($sPath, 'http') === 0)
{
if (!$oHttpAdapter->available())
{
throw new Exception('No Http Adapter available');
}
$this->response_code = 0;
try
{
$sUserAgent = !empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
$response = $oHttpAdapter->request($sPath, $aPost, $aHeader, $sUserAgent);
$this->response_code = $response['code'];
if (!isset($response) || $response === FALSE)
{
throw new RuntimeException(sprintf('Failed getting file contents from %s', $sPath));
}
}
catch (RuntimeException $ex)
{
JchOptimizelogger::log($sPath . ': ' . $ex->getMessage(), JchPlatformPlugin::getPluginParams());
}
catch (Exception $ex)
{
throw new Exception($sPath . ': ' . $ex->getMessage());
}
if ($this->response_code != 200 && !$this->allow_400)
{
$sPath = $sOrigPath == '' ? $sPath : $sOrigPath;
$sContents = $this->notFound($sPath);
}
else
{
$sContents = $response['body'];
}
}
else
{
if (file_exists($sPath))
{
$sContents = @file_get_contents($sPath);
}
elseif ($oHttpAdapter->available())
{
$sUriPath = JchPlatformPaths::path2Url($sPath);
$sContents = $this->getFileContents($sUriPath, null, null, $sPath);
}
else
{
$sContents = $this->notFound($sPath);
}
}
return $sContents;
}
/**
*
* @return type
*/
public static function getInstance()
{
if (!self::$instance)
{
self::$instance = new JchOptimizeFileRetriever();
}
return self::$instance;
}
/**
*
* @return type
*/
public function isHttpAdapterAvailable()
{
$oHttpAdapter = $this->getHttpAdapter();
return $oHttpAdapter->available();
}
/**
*
*/
private function getHttpAdapter()
{
if (is_null(self::$oHttpAdapter))
{
self::$oHttpAdapter = JchPlatformHttp::getHttpAdapter();
}
return self::$oHttpAdapter;
}
/**
*
* @param type $sPath
* @return type
*/
public function notFound($sPath)
{
return '|"COMMENT_START File [' . $sPath . '] not found COMMENT_END"|';
}
}