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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()
{
$browser = JchOptimizeBrowser::getInstance();
return ($browser->getBrowser() == 'IE' && $browser->getVersion() < 10);
}
/**
*
* @param type $string
* @return type
*/
public static function cleanReplacement($string)
{
return strtr($string, array('\\' => '\\\\', '$' => '\$'));
}
/**
* 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)
{
$sUriPath = JchPlatformUri::base(TRUE);
$oUri = clone JchPlatformUri::getInstance();
$oUrl = clone JchPlatformUri::getInstance(html_entity_decode($sUrl));
//Use absolute file path if file is internal and a static file
if (JchOptimizeUrl::isInternal($sUrl) && !JchOptimizeUrl::requiresHttpProtocol($sUrl))
{
return JchPlatformPaths::absolutePath(preg_replace('#^' . preg_quote($sUriPath, '#') . '#', '', $oUrl->getPath()));
}
else
{
$scheme = $oUrl->getScheme();
if (empty($scheme))
{
$oUrl->setScheme($oUri->getScheme());
}
$host = $oUrl->getHost();
if (empty($host))
{
$oUrl->setHost($oUri->getHost());
}
$path = $oUrl->getPath();
if (!empty($path))
{
if (substr($path, 0, 1) != '/')
{
$oUrl->setPath($sUriPath . '/' . $path);
}
}
$sUrl = $oUrl->toString();
$query = $oUrl->getQuery();
if (!empty($query))
{
parse_str($query, $args);
$sUrl = str_replace($query, http_build_query($args, '', '&'), $sUrl);
}
return $sUrl;
}
}
/**
*
* @param type $sUrl
* @return type
*/
public static function parseUrl($sUrl)
{
preg_match('#^(?:([a-z][a-z0-9+.-]*+):(?=//))?(?://(?:(?:([^:@/]*+)(?::([^@/]*+))?@)?([^:/]*+)?(?::([^/]*+))?)?(?=/))?'
. '((?:/|^)[^?\#\n]*+)(?:\?([^\#\n]*+))?(?:\#(.*+))?$#i', $sUrl, $m);
$parts = array();
$parts['scheme'] = !empty($m[1]) ? $m[1] : null;
$parts['user'] = !empty($m[2]) ? $m[2] : null;
$parts['pass'] = !empty($m[3]) ? $m[3] : null;
$parts['host'] = !empty($m[4]) ? $m[4] : null;
$parts['port'] = !empty($m[5]) ? $m[5] : null;
$parts['path'] = !empty($m[6]) ? $m[6] : '';
$parts['query'] = !empty($m[7]) ? $m[7] : null;
$parts['fragment'] = !empty($m[8]) ? $m[8] : null;
return $parts;
}
/**
* 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;
}
/**
*
* @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 ($sValue && strpos(htmlspecialchars_decode($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);
$parts = JchOptimizeHelper::parseUrl($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\s*+>)(?><?[^<]*+)*?'
. '<body.*</body\s*+>(?><?[^<]*+)*?</html\s*+>#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);
}
##<procode>##
/**
*
*/
public static function cookieLessDomain($params, $path = '', $array = FALSE)
{
if (!$params->get('pro_cookielessdomain_enable', '0'))
{
return parent::cookieLessDomain($params, $path, $array);
}
static $aDomain = array();
static $aFilePaths = array();
$scheme_param = $params->get('pro_cdn_scheme', '0');
if (empty($aDomain))
{
if (trim($params->get('pro_cookielessdomain', '')) != '')
{
$aDomain[] = self::prepareDomain($scheme_param, $params->get('pro_cookielessdomain'));
}
if (trim($params->get('pro_cookielessdomain_2', '')) != '')
{
$aDomain[] = self::prepareDomain($scheme_param, $params->get('pro_cookielessdomain_2'));
}
if (trim($params->get('pro_cookielessdomain_3', '')) != '')
{
$aDomain[] = self::prepareDomain($scheme_param, $params->get('pro_cookielessdomain_3'));
}
}
if (empty($aDomain))
{
return parent::cookieLessDomain($params, $path, $array);
}
if ($array)
{
return $aDomain;
}
if ($path != '')
{
$path = preg_replace('#\?.*$#', '', $path);
if (!isset($aFilePaths[$path]))
{
$aFilePaths[$path] = self::selectDomain($aDomain) . $path;
}
return $aFilePaths[$path];
}
return self::selectDomain($aDomain);
}
/**
*
* @param type $domain
* @return type
*/
private static function prepareDomain($scheme_param, $domain)
{
switch ($scheme_param)
{
case '1':
$scheme = 'http:';
break;
case '2':
$scheme = 'https:';
break;
case '0':
default:
$scheme = '';
break;
}
return $scheme . '//' . preg_replace('#^(?:https?:)?//|/$#i', '', $domain);
}
/**
*
* @staticvar int $iIndex
* @param type $aDomain
* @return type
*/
private static function selectDomain($aDomain)
{
$num = count($aDomain);
static $iIndex = 0;
$sDomain = $aDomain[$iIndex];
$iIndex++;
if ($iIndex == $num)
{
$iIndex = 0;
}
return $sDomain;
}
##</procode>##
}