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<?php
use JchOptimize\JS_Optimize;
use JchOptimize\CSS_Optimize;
use JchOptimize\HTML_Optimize;
/**
* 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 JchOptimizeHelperBase
{
/**
*
*/
public static function cookieLessDomain($params, $path='', $array = FALSE)
{
return $path;
}
}
/**
* Some helper functions
*
*/
class JchOptimizeHelper extends JchOptimizeHelperBase
{
/**
* Checks if file (can be external) exists
*
* @param type $sPath
* @return boolean
*/
public static function fileExists($sPath)
{
if ((strpos($sPath, 'http') === 0))
{
$sFileHeaders = @get_headers($sPath);
return ($sFileHeaders !== FALSE && strpos($sFileHeaders[0], '404') === FALSE);
}
else
{
return file_exists($sPath);
}
}
/**
*
* @return boolean
*/
public static function isMsieLT10()
{
$browser = JchOptimizeBrowser::getInstance();
if ($browser->getBrowser() == 'IE' && $browser->getVersion() < 10)
{
return TRUE;
}
else
{
return FALSE;
}
}
/**
* Get local path of file from the url if internal
* If external or php file, the url is returned
*
* @param string $sUrl Url of file
* @return string File path
*/
public static function getFilePath($sUrl)
{
$sUriBase = JchPlatformUri::base();
$sUriPath = JchPlatformUri::base(TRUE);
$oUri = clone JchPlatformUri::getInstance();
$aUrl = parse_url($sUrl);
if (JchOptimizeHelper::isInternal($sUrl) && preg_match('#\.(?>css|js|png|gif|jpe?g)$#i', $aUrl['path']))
{
$sUrl = preg_replace(
array(
'#^' . preg_quote($sUriBase, '#') . '#',
'#^' . preg_quote($sUriPath, '#') . '/#',
'#\?.*?$#'
), '', $sUrl);
return JchPlatformPaths::absolutePath($sUrl);
}
else
{
switch (TRUE)
{
case preg_match('#://#', $sUrl):
break;
case (substr($sUrl, 0, 2) == '//'):
$sUrl = $oUri->toString(array('scheme')) . substr($sUrl, 2);
break;
case (substr($sUrl, 0, 1) == '/'):
$sUrl = $oUri->toString(array('scheme', 'user', 'pass', 'host', 'port')) . $sUrl;
break;
default:
$sUrl = $sUriBase . $sUrl;
break;
}
return html_entity_decode($sUrl);
}
}
/**
* Gets the name of the current Editor
*
* @staticvar string $sEditor
* @return string
*/
public static function getEditorName()
{
static $sEditor;
if (!isset($sEditor))
{
$sEditor = JchPlatformUtility::getEditorName();
}
return $sEditor;
}
/**
* Determines if file is internal
*
* @param string $sUrl Url of file
* @return boolean
*/
public static function isInternal($sUrl)
{
$oUrl = clone JchPlatformUri::getInstance($sUrl);
//trying to resolve bug in php with parse_url before 5.4.7
if (preg_match('#^//([^/]+)(/.*)$#i', $oUrl->getPath(), $aMatches))
{
if (!empty($aMatches))
{
$oUrl->setHost($aMatches[1]);
$oUrl->setPath($aMatches[2]);
}
}
$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;
}
/**
*
* @staticvar string $sContents
* @return boolean
*/
public static function checkModRewriteEnabled($params)
{
JCH_DEBUG ? JchPlatformProfiler::start('CheckModRewriteEnabled') : null;
$oFileRetriever = JchOptimizeFileRetriever::getInstance();
if (!$oFileRetriever->isHttpAdapterAvailable())
{
$params->set('htaccess', 0);
}
else
{
$oUri = JchPlatformUri::getInstance();
$sUrl = $oUri->toString(array('scheme', 'user', 'pass', 'host', 'port')) . JchPlatformPaths::assetPath(TRUE);
$sUrl2 = JchPlatformPaths::rewriteBase() . 'test_mod_rewrite';
try
{
$sContents = $oFileRetriever->getFileContents($sUrl . $sUrl2);
if ($sContents == 'TRUE')
{
$params->set('htaccess', 1);
}
else
{
$sContents2 = $oFileRetriever->getFileContents($sUrl . '3' . $sUrl2);
if ($sContents2 == 'TRUE')
{
$params->set('htaccess', 3);
}
else
{
$params->set('htaccess', 0);
}
}
}
catch (Exception $e)
{
$params->set('htaccess', 0);
}
}
JchPlatformPlugin::saveSettings($params);
JCH_DEBUG ? JchPlatformProfiler::stop('CheckModRewriteEnabled', TRUE) : null;
}
/**
*
* @param type $aArray
* @param type $sString
* @return boolean
*/
public static function findExcludes($aArray, $sString, $sType='')
{
foreach ($aArray as $sValue)
{
if ($sType == 'js')
{
$sString = JS_Optimize::optimize($sString);
}
elseif($sType == 'css')
{
$sString = CSS_Optimize::optimize($sString);
}
if ($sValue && strpos($sString, $sValue) !== FALSE)
{
return TRUE;
}
}
return FALSE;
}
/**
*
* @return type
*/
public static function getBaseFolder()
{
return JchPlatformUri::base(true) . '/';
}
/**
*
* @param string $search
* @param string $replace
* @param string $subject
* @return type
*/
public static function strReplace($search, $replace, $subject)
{
return str_replace(self::cleanPath($search), $replace, self::cleanPath($subject));
}
/**
*
* @param type $str
* @return type
*/
public static function cleanPath($str)
{
return str_replace(array('\\\\', '\\'), '/', $str);
}
/**
* If parameter is set will minify HTML before sending to browser;
* Inline CSS and JS will also be minified if respective parameters are set
*
* @return string Optimized HTML
* @throws Exception
*/
public static function minifyHtml($sHtml, $oParams)
{
JCH_DEBUG ? JchPlatformProfiler::start('MinifyHtml') : null;
if ($oParams->get('html_minify', 0))
{
$aOptions = array();
if ($oParams->get('css_minify', 0))
{
$aOptions['cssMinifier'] = array('JchOptimize\CSS_Optimize', 'optimize');
}
if ($oParams->get('js_minify', 0))
{
$aOptions['jsMinifier'] = array('JchOptimize\JS_Optimize', 'optimize');
}
$aOptions['minifyLevel'] = $oParams->get('html_minify_level', 2);
$aOptions['isXhtml'] = (bool) $oParams->get('isXhtml', false);
$aOptions['isHtml5'] = (bool) $oParams->get('isHtml5', false);
$sHtmlMin = HTML_Optimize::optimize($sHtml, $aOptions);
if ($sHtmlMin == '')
{
JchOptimizeLogger::log('Error while minifying HTML', $oParams);
$sHtmlMin = $sHtml;
}
$sHtml = $sHtmlMin;
JCH_DEBUG ? JchPlatformProfiler::stop('MinifyHtml', TRUE) : null;
}
return $sHtml;
}
/**
* Splits a string into an array using any regular delimiter or whitespace
*
* @param string $sString Delimited string of components
* @return array An array of the components
*/
public static function getArray($sString)
{
if (is_array($sString))
{
$aArray = $sString;
}
else
{
$aArray = explode(',', trim($sString));
}
$aArray = array_map(function($sValue)
{
return trim($sValue);
}, $aArray);
return array_filter($aArray);
}
/**
*
* @param type $url
* @param array $params
*/
public static function postAsync($url, $params, array $posts)
{
foreach ($posts as $key => &$val)
{
if (is_array($val))
{
$val = implode(',', $val);
}
$post_params[] = $key . '=' . urlencode($val);
}
$post_string = implode('&', $post_params);
$parts = parse_url($url);
if (isset($parts['scheme']) && ($parts['scheme'] == 'https'))
{
$protocol = 'ssl://';
$default_port = 443;
}
else
{
$protocol = '';
$default_port = 80;
}
$fp = @fsockopen($protocol . $parts['host'], isset($parts['port']) ? $parts['port'] : $default_port, $errno, $errstr, 1);
if (!$fp)
{
JchOptimizeLogger::log($errno . ': ' . $errstr, $params);
}
else
{
$out = "POST " . $parts['path'] . '?' . $parts['query'] . " HTTP/1.1\r\n";
$out.= "Host: " . $parts['host'] . "\r\n";
$out.= "Content-Type: application/x-www-form-urlencoded\r\n";
$out.= "Content-Length: " . strlen($post_string) . "\r\n";
$out.= "Connection: Close\r\n\r\n";
if (isset($post_string))
{
$out.= $post_string;
}
fwrite($fp, $out);
fclose($fp);
}
}
/**
*
* @param type $sHtml
*/
public static function validateHtml($sHtml)
{
return preg_match('#^(?><?[^<]*+)+?<html(?><?[^<]*+)+?<head(?><?[^<]*+)+?</head(?>'
. '<?[^<]*+)+?<body(?><?[^<]*+)+?</body(?><?[^<]*+)+?</html.*+$#is', $sHtml);
}
/**
*
* @param type $image
* @return type
*/
public static function prepareImageUrl($image)
{
return array('path' => JchPlatformUtility::encrypt($image));
}
/**
*
* @param JchPlatformSettings $params
*/
public static function clearHiddenValues(JchPlatformSettings $params)
{
$params->set('hidden_containsgf', '');
JchPlatformPlugin::saveSettings($params);
}
}