????
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 JchOptimizeUrl
{
/**
* Determines if file is internal
*
* @param string $sUrl Url of file
* @return boolean
*/
public static function isInternal($sUrl)
{
$oUrl = clone JchPlatformUri::getInstance($sUrl);
if (self::isProtocolRelative($sUrl))
{
$sUrl = self::toAbsolute($sUrl);
}
$sUrlBase = $oUrl->toString(array('scheme', 'user', 'pass', 'host', 'port', 'path'));
$sUrlHost = $oUrl->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$sBase = JchPlatformUri::base();
if (stripos($sUrlBase, $sBase) !== 0 && !empty($sUrlHost))
{
return FALSE;
}
return TRUE;
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isAbsolute($sUrl)
{
return preg_match('#^http#i', $sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isRootRelative($sUrl)
{
return preg_match('#^/[^/]#', $sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isProtocolRelative($sUrl)
{
return preg_match('#^//#', $sUrl);
}
/**
*
* @param type $sUrl
*/
public static function isPathRelative($sUrl)
{
return self::isHttpScheme($sUrl)
&& !self::isAbsolute($sUrl)
&& !self::isProtocolRelative($sUrl)
&& !self::isRootRelative($sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isSSL($sUrl)
{
return preg_match('#^https#i', $sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isDataUri($sUrl)
{
return preg_match('#^data:#i', $sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isInvalid($sUrl)
{
return (empty($sUrl) || trim($sUrl) == '/');
}
/**
*
* @param type $sUrl
* @return type
*/
public static function isHttpScheme($sUrl)
{
return !preg_match('#^(?!https?)[^:/]+:#i', $sUrl);
}
/**
*
* @param type $sUrl
* @return type
*/
public static function AbsToProtocolRelative($sUrl)
{
return preg_replace('#https?:#i', '', $sUrl);
}
/**
*
* @param type $sUrl
* @param type $sCurFile
*/
public static function toRootRelative($sUrl, $sCurFile = '')
{
if(self::isPathRelative($sUrl))
{
$sUrl = (empty($sCurFile) ? '' : dirname($sCurFile) . '/' ) . $sUrl;
}
$sUrl = JchPlatformUri::getInstance($sUrl)->toString(array('path', 'query', 'fragment'));
if(self::isPathRelative($sUrl))
{
$sUrl = rtrim(JchPlatformUri::base(TRUE), '\\/') . '/' . $sUrl;
}
return $sUrl;
}
/**
*
* @param type $sUrl
* @param type $sCurFile
*/
public static function toAbsolute($sUrl, $sCurFile=null)
{
$oUri = clone JchPlatformUri::getInstance($sCurFile);
if(self::isPathRelative($sUrl))
{
$oUri->setPath(dirname($oUri->getPath()) . '/' . $sUrl);
}
if(self::isRootRelative($sUrl))
{
$oUri->setPath($sUrl);
}
if(self::isProtocolRelative($sUrl))
{
$scheme = $oUri->getScheme();
if(!empty($scheme))
{
$sUrl = $scheme . ':' . $sUrl;
}
$oUri = JchPlatformUri::getInstance($sUrl);
}
$sUrl = $oUri->toString();
$host = $oUri->getHost();
if(!self::isAbsolute($sUrl) && !empty($host))
{
return '//' . $sUrl;
}
return $sUrl;
}
/**
*
* @param type $sUrl
* @return type
*/
public static function requiresHttpProtocol($sUrl)
{
return preg_match('#\.php|^(?![^?\#]*\.(?:css|js|png|jpe?g|gif|bmp)(?:[?\#]|$)).++#i', $sUrl);
}
}