/**
* Optimize website by aggregating css and js
*
*/
public function process($sHtml)
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeProcess plgSystem (JCH Optimize)') : null;
loadJchOptimizeClass(array('JchOptimizeBase', 'JchOptimizeParser', 'JchOptimizeFileRetriever',
'JchOptimizeLinkBuilder', 'JchOptimizeHelper'));
JCH_DEBUG ? JchPlatformProfiler::mark('afterLoadClass plgSystem (JCH Optimize)') : null;
try
{
$oParser = new JchOptimizeParser($this->params, $sHtml, JchOptimizeFileRetriever::getInstance());
$oLinkBuilder = new JchOptimizeLinkBuilder($oParser);
$oLinkBuilder->insertJchLinks();
$sOptimizedHtml = JchOptimizeHelper::minifyHtml($oParser->getHtml(), $this->params);
}
catch (Exception $ex)
{
JchOptimizeLogger::log($ex->getMessage(), $this->params);
$sOptimizedHtml = $sHtml;
}
spl_autoload_unregister('loadJchOptimizeClass');
JCH_DEBUG ? JchPlatformProfiler::mark('afterProcess plgSystem (JCH Optimize)') : null;
return $sOptimizedHtml;
}
/**
* 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)
{
//JCH_DEBUG ? JchPlatformProfiler::mark('beforeGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
$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);
//JCH_DEBUG ? JchPlatformProfiler::mark('afterGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
return JchPlatformPaths::absolutePath($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;
}
//JCH_DEBUG ? JchPlatformProfiler::mark('afterGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
return html_entity_decode($sUrl);
}
}
/**
* 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)
{
// global $_PROFILER;
//JCH_DEBUG ? $_PROFILER->mark('beforeGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
$sUriBase = str_replace('/administrator/', '', JUri::base());
$sUriPath = str_replace('/administrator', '', JUri::base(TRUE));
$oUri = clone JUri::getInstance($sUriBase);
if (JchOptimizeHelper::isInternal($sUrl) && !preg_match('#\\.php#i', $sUrl)) {
$sUrl = preg_replace(array('#^' . preg_quote($sUriBase, '#') . '#', '#^' . preg_quote($sUriPath, '#') . '/#', '#\\?.*?$#'), '', $sUrl);
//JCH_DEBUG ? $_PROFILER->mark('afterGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
return JPATH_ROOT . DIRECTORY_SEPARATOR . str_replace('/', DIRECTORY_SEPARATOR, $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', 'host')) . $sUrl;
break;
default:
$sUrl = $sUriBase . $sUrl;
break;
}
//JCH_DEBUG ? $_PROFILER->mark('afterGetFilePath - ' . $sUrl . ' plgSystem (JCH Optimize)') : null;
return html_entity_decode($sUrl);
}
}
/**
*
*/
public function garbageCron()
{
JCH_DEBUG ? JchPlatformProfiler::start('GarbageCron') : null;
$url = JchPlatformPaths::ajaxUrl('garbagecron');
JchOptimizeHelper::postAsync($url, $this->params, array('async' => '1'));
JCH_DEBUG ? JchPlatformProfiler::stop('GarbageCron', TRUE) : null;
}
/**
* Optimize website by aggregating css and js
*
*/
public function process($sHtml)
{
JCH_DEBUG ? JchPlatformProfiler::start('Process', TRUE) : null;
JCH_DEBUG ? JchPlatformProfiler::start('LoadClass') : null;
loadJchOptimizeClass(array('JchOptimizeBase', 'JchOptimizeParser', 'JchOptimizeFileRetriever', 'JchOptimizeLinkBuilder', 'JchOptimizeHelper'));
JCH_DEBUG ? JchPlatformProfiler::stop('LoadClass', TRUE) : null;
try {
$oParser = new JchOptimizeParser($this->params, $sHtml, JchOptimizeFileRetriever::getInstance());
$oLinkBuilder = new JchOptimizeLinkBuilder($oParser);
$oLinkBuilder->insertJchLinks();
$oParser->runCookieLessDomain();
$oParser->lazyLoadImages();
$this->params->set('isXhtml', $oLinkBuilder->isXhtml());
$this->params->set('isHtml5', $oParser->isHtml5());
$sOptimizedHtml = JchOptimizeHelper::minifyHtml($oParser->getHtml(), $this->params);
} catch (Exception $ex) {
JchOptimizeLogger::log($ex->getMessage(), $this->params);
$sOptimizedHtml = $sHtml;
}
spl_autoload_unregister('loadJchOptimizeClass');
JCH_DEBUG ? JchPlatformProfiler::stop('Process', TRUE) : null;
JCH_DEBUG ? JchPlatformProfiler::attachProfiler($sOptimizedHtml) : null;
if (version_compare(PHP_VERSION, '7', '>=')) {
ini_set('pcre.jit', $this->jit);
}
return $sOptimizedHtml;
}
/**
* Fetches HTML to be sent to browser
*
* @return string
*/
public function getHtml()
{
$sHtml = preg_replace($this->getHeadRegex(), JchOptimizeHelper::cleanReplacement($this->sHeadHtml), $this->sHtml, 1);
if (is_null($sHtml) || $sHtml == '') {
throw new Exception('Error occured while trying to get html');
}
return $sHtml;
}
/**
*
* @param type $sPath
*/
public static function path2Url($sPath)
{
$oUri = clone JchPlatformUri::getInstance();
$sBaseFolder = JchOptimizeHelper::getBaseFolder();
$abspath = str_replace(DIRECTORY_SEPARATOR, '/', ABSPATH);
$sPath = str_replace(DIRECTORY_SEPARATOR, '/', $sPath);
$sUriPath = $oUri->toString(array('scheme', 'user', 'pass', 'host', 'port')) . $sBaseFolder . str_replace($abspath, '', $sPath);
return $sUriPath;
}
/**
*
* @param type $function
*/
public static function ajaxUrl($function)
{
$url = JUri::getInstance()->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$url .= JchOptimizeHelper::getBaseFolder();
if (version_compare(JVERSION, '3.0', '<')) {
$url .= 'plugins/system/jch_optimize/ajax.php?action=' . $function;
} else {
$url .= 'index.php?option=com_ajax&plugin=' . $function . '&format=raw';
}
return $url;
}
/**
*
* @param type $uri
* @return type
*/
private function __construct($uri)
{
$this->oUri = clone JUri::getInstance($uri);
if ($uri != 'SERVER') {
$parts = JchOptimizeHelper::parseUrl($uri);
$this->oUri->setScheme(!empty($parts['scheme']) ? $parts['scheme'] : null);
$this->oUri->setUser(!empty($parts['user']) ? $parts['user'] : null);
$this->oUri->setPass(!empty($parts['pass']) ? $parts['pass'] : null);
$this->oUri->setHost(!empty($parts['host']) ? $parts['host'] : null);
$this->oUri->setPort(!empty($parts['port']) ? $parts['port'] : null);
$this->oUri->setPath(!empty($parts['path']) ? $parts['path'] : null);
$this->oUri->setQuery(!empty($parts['query']) ? $parts['query'] : null);
$this->oUri->setFragment(!empty($parts['fragment']) ? $parts['fragment'] : null);
}
return $this->oUri;
}
function jch_buffer_end()
{
while ($level = ob_get_level()) {
if (JchOptimizeHelper::validateHtml($sHtml = ob_get_contents())) {
$sOptimizedHtml = jchoptimize($sHtml);
ob_clean();
echo $sOptimizedHtml;
break;
}
ob_end_flush();
//buffer not flushed for some reason.
if ($level == ob_get_level()) {
break;
}
}
}
/**
* Optimize website by aggregating css and js
*
*/
public function process($sHtml)
{
JCH_DEBUG ? JchPlatformProfiler::start('Process', TRUE) : null;
JCH_DEBUG ? JchPlatformProfiler::start('LoadClass') : null;
loadJchOptimizeClass(array('JchOptimizeBase', 'JchOptimizeParser', 'JchOptimizeFileRetriever', 'JchOptimizeLinkBuilder', 'JchOptimizeHelper'));
JCH_DEBUG ? JchPlatformProfiler::stop('LoadClass', TRUE) : null;
try {
$oParser = new JchOptimizeParser($this->params, $sHtml, JchOptimizeFileRetriever::getInstance());
$oLinkBuilder = new JchOptimizeLinkBuilder($oParser);
$oLinkBuilder->insertJchLinks();
$this->params->set('xhtml', $oLinkBuilder->isXhtml());
$sOptimizedHtml = JchOptimizeHelper::minifyHtml($oParser->getHtml(), $this->params);
} catch (Exception $ex) {
JchOptimizeLogger::log($ex->getMessage(), $this->params);
$sOptimizedHtml = $sHtml;
}
spl_autoload_unregister('loadJchOptimizeClass');
JCH_DEBUG ? JchPlatformProfiler::stop('Process', TRUE) : null;
JCH_DEBUG ? JchPlatformProfiler::attachProfiler($sOptimizedHtml) : null;
return $sOptimizedHtml;
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
public function _correctUrlCB($aMatches, $aUrl)
{
if (empty($aMatches[1]) || preg_match('#^(?:\\(|/\\*)#', $aMatches[0])) {
return $aMatches[0];
}
$sImageUrl = $aMatches[1];
$sCssFileUrl = empty($aUrl['url']) ? '' : $aUrl['url'];
if (JchOptimizeUrl::isHttpScheme($sImageUrl)) {
if ((JchOptimizeUrl::isInternal($sCssFileUrl) || $sCssFileUrl == '') && JchOptimizeUrl::isInternal($sImageUrl)) {
$sImageUrl = JchOptimizeUrl::toRootRelative($sImageUrl, $sCssFileUrl);
$oImageUri = clone JchPlatformUri::getInstance($sImageUrl);
$aStaticFiles = $this->params->get('pro_staticfiles', array('css', 'js', 'jpe?g', 'gif', 'png', 'ico', 'bmp', 'pdf'));
unset($aStaticFiles[0]);
$sStaticFiles = implode('|', $aStaticFiles);
$aFontFiles = $this->fontFiles();
$sFontFiles = implode('|', $aFontFiles);
if (preg_match('#\\.(?>' . $sStaticFiles . ')#', $oImageUri->getPath())) {
$sImageUrl = JchOptimizeHelper::cookieLessDomain($this->params, $oImageUri->toString(array('path')));
} elseif ($this->params->get('pro_cookielessdomain_enable', '0') && preg_match('#\\.(?>' . $sFontFiles . ')#', $oImageUri->getPath())) {
$oUri = clone JchPlatformUri::getInstance();
$sImageUrl = '//' . $oUri->toString(array('host', 'port')) . $oImageUri->toString(array('path'));
}
} else {
if (!JchOptimizeUrl::isAbsolute($sImageUrl)) {
$sImageUrl = JchOptimizeUrl::toAbsolute($sImageUrl, $sCssFileUrl);
}
}
}
$sImageUrl = preg_match('#(?<!\\\\)[\\s\'"(),]#', $sImageUrl) ? '"' . $sImageUrl . '"' : $sImageUrl;
return $sImageUrl;
}
/**
*
* @param type $sUrl
* @return type
*/
public static function prepareFileValues($sFile, $sType = '', $iLen = 27)
{
if ($sType != 'value') {
$oFile = JchPlatformUri::getInstance($sFile);
if (JchOptimizeHelper::isInternal($sFile)) {
$sFile = $oFile->getPath();
} else {
$sFile = $oFile->toString(array('scheme', 'user', 'pass', 'host', 'port', 'path'));
}
if ($sType == 'key') {
return $sFile;
}
}
$sEps = '';
if (strlen($sFile) > $iLen) {
$sFile = substr($sFile, -$iLen);
$sFile = preg_replace('#^[^/]*+/#', '/', $sFile);
$sEps = '...';
}
return $sEps . $sFile;
}
/**
*
* @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);
}
}
/**
*
* @return string
*/
public function getLazyLoadRegex($admin = FALSE)
{
$sRegex = '#(?><?[^<]*+(?:<script\\b[^>]*+>(?><?[^<]*+)*?</script>)?)*?' . '\\K(?:(<img(?!(?>\\s*+[^\\s>]*+)*?\\s*+(?>data-(?:src|original)';
$aExcludeClass = JchOptimizeHelper::getArray($this->params->get('pro_excludeLazyLoadClass', array()));
if (!empty($aExcludeClass)) {
$aExcludeClass = array_map(function ($sValue) {
return '\\b' . preg_quote($sValue) . '\\b';
}, $aExcludeClass);
$sExcludeClass = implode('|', $aExcludeClass);
$sRegex .= '|class\\s*+=\\s*+[\'"]?[^\'">]*?(?>' . $sExcludeClass . ')';
}
$sRegex .= '))';
if ($admin) {
$sRegex .= '(?:(?=(?>\\s*+[^\\s>]*+)*?\\s*+class\\s*+=\\s*+[\'"]?([^\'">]*+)))?';
}
$sRegex .= '(?>\\s*+[^\\s>]*+)*?\\s*+)(src\\s*+=\\s*+(?![\'"]?[^\'"> ]*?(?:data:image';
$aExcludesFiles = JchOptimizeHelper::getArray($this->params->get('pro_excludeLazyLoad', array()));
$aExcludesFolders = JchOptimizeHelper::getArray($this->params->get('pro_excludeLazyLoadFolders', array()));
$aExcludes = array_merge($aExcludesFiles, $aExcludesFolders);
if (!empty($aExcludes)) {
$aExcludes = array_map(function ($sValue) {
return preg_quote($sValue);
}, $aExcludes);
$sExcludes = implode('|', $aExcludes);
$sRegex .= '|' . $sExcludes;
}
$sRegex .= '))[\'"]?((?(?<=[\'"])[^\'"]*+|[^\\s>]*+))[\'"]?)([^>]*+>)|\\K$)#i';
return $sRegex;
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
public function _correctUrlCB($aMatches)
{
//JCH_DEBUG ? JchPlatformProfiler::mark('beforeCorrectUrl plgSystem (JCH Optimize)') : null;
if (preg_match('#^(?:\\(|/(?:/|\\*))#', $aMatches[0])) {
return $aMatches[0];
}
if ($aMatches[0] == '') {
return ' ';
}
$sUriBase = JchPlatformUri::base(TRUE);
$sImageUrl = $aMatches[1];
$sCssFileUrl = isset($this->aUrl['url']) ? $this->aUrl['url'] : '/';
if (preg_match('#^data:#', $sImageUrl)) {
return $sImageUrl;
}
if (!preg_match('#^/|://#', $sImageUrl)) {
$aCssUrlArray = explode('/', $sCssFileUrl);
array_pop($aCssUrlArray);
$sCssRootPath = implode('/', $aCssUrlArray) . '/';
$sImagePath = $sCssRootPath . $sImageUrl;
$oImageUri = clone JchPlatformUri::getInstance($sImagePath);
$sUriPath = preg_replace('#^' . preg_quote($sUriBase, '#') . '/#', '', $oImageUri->getPath());
$oImageUri->setPath($sUriBase . '/' . $sUriPath);
$sImageUrl = $oImageUri->toString();
}
if (JchOptimizeHelper::isInternal($sCssFileUrl) && JchOptimizeHelper::isInternal($sImageUrl)) {
$oImageUri = clone JchPlatformUri::getInstance($sImageUrl);
$aStaticFiles = $this->staticFiles();
$sStaticFiles = implode('|', $aStaticFiles);
$aFontFiles = $this->fontFiles();
$sFontFiles = implode('|', $aFontFiles);
if (preg_match('#\\.(?>' . $sStaticFiles . ')#', $oImageUri->getPath())) {
$sImageUrl = JchOptimizeHelper::cookieLessDomain($this->params) . $oImageUri->toString(array('path'));
} elseif (preg_match('#\\.php#', $oImageUri->getPath())) {
$sImageUrl = $oImageUri->toString(array('path', 'query', 'fragment'));
} elseif ($this->params->get('pro_cookielessdomain', '') && preg_match('#\\.(?>' . $sFontFiles . ')#', $oImageUri->getPath())) {
$oUri = clone JchPlatformUri::getInstance();
$sImageUrl = '//' . $oUri->toString(array('host', 'port')) . $oImageUri->toString(array('path'));
} else {
$sImageUrl = $oImageUri->toString(array('path'));
}
}
//JCH_DEBUG ? JchPlatformProfiler::mark('afterCorrectUrl plgSystem (JCH Optimize)') : null;
$sImageUrl = preg_match('#(?<!\\\\)[\\s\'"(),]#', $sImageUrl) ? '"' . $sImageUrl . '"' : $sImageUrl;
return $sImageUrl;
}
/**
* Generates regex for excluding components set in plugin params
*
* @param string $param
* @return string
*/
protected function getExComp($sExComParam)
{
$aComponents = JchOptimizeHelper::getArray($sExComParam);
$aExComp = array();
if (!empty($aComponents))
{
$aExComp = array_map(function($sValue)
{
return $sValue . '/';
}, $aComponents);
}
return $aExComp;
}
/**
* Returns url of aggregated file
*
* @param string $sFile Aggregated file name
* @param string $sType css or js
* @param mixed $bGz True (or 1) if gzip set and enabled
* @param number $sTime Expire header time
* @return string Url of aggregated file
*/
protected function buildUrl($sId, $sType)
{
$sPath = JchPlatformPaths::assetPath();
$iTime = (int) $this->params->get('lifetime', '30');
$bGz = $this->isGZ();
if ($this->params->get('htaccess', 0) == 1) {
$sUrl = JchOptimizeHelper::cookieLessDomain($this->params) . $sPath . JchPlatformPaths::rewriteBase() . ($bGz ? 'gz/' : 'nz/') . $iTime . '/JCHI/' . $sId . '.' . $sType;
} else {
$oUri = clone JchPlatformUri::getInstance();
$oUri->setPath($sPath . '2/jscss.php');
$aVar = array();
$aVar['f'] = $sId;
$aVar['type'] = $sType;
$aVar['gz'] = $bGz ? 'gz' : 'nz';
$aVar['d'] = $iTime;
$aVar['i'] = 'JCHI';
$oUri->setQuery($aVar);
$sUrl = htmlentities($oUri->toString(array('path', 'query')));
}
return $sUrl;
}
/**
* Aggregate contents of CSS and JS files
*
* @param array $aUrlArray Array of links of files
* @param string $sType CSS or js
* @return string Aggregarted contents
* @throws Exception
*/
public function combineFiles($aUrlArray, $sType, $oCssParser, $bCssAsync = FALSE)
{
global $_PROFILER;
JCH_DEBUG ? $_PROFILER->mark('beforeCombineFiles - ' . $sType . ' plgSystem (JCH Optimize)') : null;
$sContents = '';
$bAsync = false;
$sAsyncUrl = '';
$oFileRetriever = JchOptimizeFileRetriever::getInstance($this->params);
foreach ($aUrlArray as $aUrl) {
$sContent = '';
if (isset($aUrl['url'])) {
if ($sType == 'js' && $sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){}); DELIMITER';
$sAsyncUrl = '';
}
$sPath = $aUrl['path'];
if ($sType == 'js' && $this->loadAsync($aUrl['url'])) {
$sAsyncUrl = $aUrl['url'];
$bAsync = true;
continue;
} else {
if (!JchOptimizeHelper::fileExists($sPath)) {
if ($this->params->get('log', 0)) {
JchOptimizeLogger::log(JText::_('File not found: ' . $sPath));
}
$sFileContents = 'COMMENT_START File does not exist COMMENT_END';
} else {
JCH_DEBUG ? $_PROFILER->mark('beforegetFileContents - ' . $sPath . ' plgSystem (JCH Optimize)') : null;
$sFileContents = $oFileRetriever->getFileContents($sPath);
JCH_DEBUG ? $_PROFILER->mark('afterGetFileContents - ' . $sPath . ' plgSystem (JCH Optimize)') : null;
}
if ($sFileContents === FALSE) {
throw new Exception(JText::_('Failed getting file contents from ' . $sPath));
}
$sContent .= $sFileContents;
unset($sFileContents);
}
} else {
if ($sType == 'js' && $sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){' . $this->sLnEnd . $aUrl['content'] . $this->sLnEnd . '});
DELIMITER';
$sAsyncUrl = '';
} else {
$sContent .= $aUrl['content'];
}
}
if ($sType == 'css') {
unset($oCssParser->sCssUrl);
$oCssParser->aUrl = $aUrl;
$sImportContent = preg_replace('#@import\\s(?:url\\()?[\'"]([^\'"]+)[\'"](?:\\))?#', '@import url($1)', $sContent);
if (is_null($sImportContent)) {
if ($this->params->get('log', 0)) {
JchOptimizeLogger::log(JText::_('Error occured trying to parse for @imports in ' . $aUrl['url']));
}
$sImportContent = $sContent;
}
$sContent = $sImportContent;
$sContent = $oCssParser->correctUrl($sContent);
$sContent = $this->replaceImports($sContent, $aUrl);
$sContent = $oCssParser->handleMediaQueries($sContent);
}
if ($sType == 'js' && $sContent != '') {
$sContent = $this->addSemiColon($sContent);
}
$sContent = $this->MinifyContent($sContent, $sType, $aUrl);
$sContents .= $this->addCommentedUrl($sType, $aUrl) . $sContent . 'DELIMITER';
unset($sContent);
}
if ($bAsync) {
$sContents = $this->getLoadScript() . $sContents;
if ($sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){}); DELIMITER';
$sAsyncUrl = '';
}
}
JCH_DEBUG ? $_PROFILER->mark('afterCombineFiles - ' . $sType . ' plgSystem (JCH Optimize)') : null;
return $sContents;
}
/**
* Generates sprite image and return background positions for image replaced with sprite
*
* @param array $aMatches Array of css declarations and image url to be included in sprite
* @param object $oSpriteGen Object of sprite generator
* @return array
*/
public function generateSprite($aMatches, $oSpriteGen)
{
$aDeclaration = $aMatches[0];
$aImages = $aMatches[1];
$oSpriteGen->CreateSprite($aImages);
$aSpriteCss = $oSpriteGen->GetCssBackground();
$aPatterns = array();
$aPatterns[0] = '#background-image:#';
// Background image declaration regex
$aPatterns[1] = '#(background:[^;}]*)\\b' . '((?:top|bottom|left|right|center|-?[0-9]+(?:%|[c-x]{2})?)' . '\\s(?:top|bottom|left|right|center|-?[0-9]+(?:%|[c-x]{2})?))([^;}]*[;}])#';
$aPatterns[2] = '#url\\((?=[^\\)]+\\.(?:png|gif|jpe?g))[^\\)]+\\)#';
//Background image regex
$aPatterns[3] = '#background-position:[^;}]+;?#';
//Background position declaration regex
$sSpriteName = $oSpriteGen->GetSpriteFilename();
$aSearch = array();
for ($i = 0; $i < count($aSpriteCss); $i++) {
if (isset($aSpriteCss[$i])) {
$aSearch['needles'][] = $aDeclaration[$i];
$spritepath = JchOptimizeHelper::cookieLessDomain($this->params) . JchPlatformPaths::spriteDir(TRUE) . $sSpriteName;
$aReplacements = array();
$aReplacements[0] = 'background:';
$aReplacements[1] = '$1$3';
$aReplacements[2] = 'url(' . $spritepath . ') ' . $aSpriteCss[$i];
$aReplacements[3] = '';
$sReplacement = preg_replace($aPatterns, $aReplacements, $aDeclaration[$i]);
if (is_null($sReplacement)) {
throw new Exception(JchPlatformUtility::translate('Error finding replacements for sprite background positions'));
}
$aSearch['replacements'][] = $sReplacement;
}
}
return $aSearch;
}
/**
*
* @param type $aUrl
* @param type $sType
* @param type $oFileRetriever
* @return type
* @throws Exception
*/
public function cacheContent($aUrl, $sType, $oFileRetriever, $oCssParser)
{
$sContent = '';
if (isset($aUrl['url'])) {
$sPath = JchOptimizeHelper::getFilePath($aUrl['url']);
$sContent .= $oFileRetriever->getFileContents($sPath);
} else {
if ($this->sAsyncUrl == '') {
$sContent .= $aUrl['content'];
}
}
$sContent = $this->sLnEnd . $sContent;
if ($sType == 'css') {
unset($oCssParser->sCssUrl);
$oCssParser->aUrl = $aUrl;
$sImportContent = preg_replace('#@import\\s(?:url\\()?[\'"]([^\'"]+)[\'"](?:\\))?#', '@import url($1)', $sContent);
if (is_null($sImportContent)) {
JchOptimizeLogger::log(sprintf(JchPlatformUtility::translate('Error occured trying to parse for @imports in %s'), $aUrl['url']), $this->params);
$sImportContent = $sContent;
}
$sContent = $sImportContent;
$sContent = $oCssParser->correctUrl($sContent);
$sContent = $this->replaceImports($sContent, $aUrl);
$sContent = $oCssParser->handleMediaQueries($sContent);
if (function_exists('mb_convert_encoding')) {
$sContent = mb_convert_encoding($sContent, 'utf-8');
}
}
if ($sType == 'js' && trim($sContent) != '') {
$sContent = $this->addErrorHandler($sContent, $aUrl);
}
$sContent = $this->minifyContent($sContent, $sType, $aUrl);
$sContent = $this->prepareContents($sContent);
return $sContent;
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
public function _correctUrlCB($aMatches, $aUrl)
{
if (!isset($aMatches[1]) || $aMatches[1] == '' || preg_match('#^(?:\\(|/(?:/|\\*))#', $aMatches[0])) {
return $aMatches[0];
}
$sUriBase = JchPlatformUri::base(TRUE);
$sImageUrl = $aMatches[1];
$sCssFileUrl = isset($aUrl['url']) ? $aUrl['url'] : '/';
if (!preg_match('#^data:#', $sImageUrl)) {
if (!preg_match('#^/|://#', $sImageUrl)) {
$aCssUrlArray = explode('/', $sCssFileUrl);
array_pop($aCssUrlArray);
$sCssRootPath = implode('/', $aCssUrlArray) . '/';
$sImagePath = $sCssRootPath . $sImageUrl;
$oImageUri = clone JchPlatformUri::getInstance($sImagePath);
if (JchOptimizeHelper::isInternal($sCssFileUrl)) {
$sUriPath = preg_replace('#^' . preg_quote($sUriBase, '#') . '/#', '', $oImageUri->getPath());
$oImageUri->setPath($sUriBase . '/' . $sUriPath);
$sImageUrl = $oImageUri->toString();
} else {
$oImageUri->setPath($oImageUri->getPath());
$sImageUrl = ($oImageUri->toString(array('scheme')) ? '' : '//') . $oImageUri->toString();
}
}
if (JchOptimizeHelper::isInternal($sCssFileUrl) && JchOptimizeHelper::isInternal($sImageUrl)) {
$oImageUri = clone JchPlatformUri::getInstance($sImageUrl);
$aStaticFiles = $this->params->get('pro_staticfiles', array('css', 'js', 'jpe?g', 'gif', 'png', 'ico', 'bmp', 'pdf'));
$sStaticFiles = implode('|', $aStaticFiles);
$aFontFiles = $this->fontFiles();
$sFontFiles = implode('|', $aFontFiles);
if (preg_match('#\\.(?>' . $sStaticFiles . ')#', $oImageUri->getPath())) {
$sImageUrl = JchOptimizeHelper::cookieLessDomain($this->params, $oImageUri->toString(array('path')));
} elseif (preg_match('#\\.php#', $oImageUri->getPath())) {
$sImageUrl = $oImageUri->toString(array('path', 'query', 'fragment'));
} elseif ($this->params->get('pro_cookielessdomain_enable', '0') && preg_match('#\\.(?>' . $sFontFiles . ')#', $oImageUri->getPath())) {
$oUri = clone JchPlatformUri::getInstance();
$sImageUrl = '//' . $oUri->toString(array('host', 'port')) . $oImageUri->toString(array('path'));
} else {
$sImageUrl = $oImageUri->toString(array('path'));
}
}
}
$sImageUrl = preg_match('#(?<!\\\\)[\\s\'"(),]#', $sImageUrl) ? '"' . $sImageUrl . '"' : $sImageUrl;
return $sImageUrl;
}
/**
* Determines if file requires http protocol to get contents (Not allowed)
*
* @param string $sUrl
* @return boolean
*/
public function isHttpAdapterAvailable($sUrl)
{
return !(preg_match('#^(?:http|//)#i', $sUrl) && !JchOptimizeHelper::isInternal($sUrl)
|| $this->isPHPFile($sUrl));
}
/**
* Determines if file requires http protocol to get contents (Not allowed)
*
* @param string $sUrl
* @return boolean
*/
protected function isUrlFopenAllowed($sUrl)
{
return preg_match('#(?:.*\\.php)#', $sUrl) === 1 || !JchOptimizeHelper::isInternal($sUrl);
}
/**
* Returns url of aggregated file
*
* @param string $sFile Aggregated file name
* @param string $sType css or js
* @param mixed $bGz True (or 1) if gzip set and enabled
* @param number $sTime Expire header time
* @return string Url of aggregated file
*/
protected function buildUrl($sId, $sType, $iTime, $bGz = false)
{
$oUri = clone JUri::getInstance(JUri::base());
$sJbase = JUri::base(true);
$sPath = $sJbase . '/plugins/system/jch_optimize/assets';
$sBaseFolder = $sJbase == '/' ? $sJbase : $sJbase . '/';
$iUrlRewriteMode = $this->params->get('htaccess', 2);
if ($iUrlRewriteMode == 1 || JchOptimizeHelper::modRewriteEnabled() && $iUrlRewriteMode != 0) {
$sUrl = $sPath . $sBaseFolder . ($bGz ? 'gz/' : 'nz/') . $iTime . '/' . $sId . '.' . $sType;
} else {
$oUri->setPath($sPath . '2/jscss.php');
$aVar = array();
$aVar['f'] = $sId;
$aVar['type'] = $sType;
if ($bGz) {
$aVar['gz'] = 'gz';
}
$aVar['d'] = $iTime;
$oUri->setQuery($aVar);
$sUrl = htmlentities($oUri->toString(array('path', 'query')));
}
return $sUrl;
}
/**
* Determines if js file should be loaded asynchronously. Would be aggregated otherwise.
*
* @param type $sPath File path
* @return boolean
*/
protected function loadAsync($sUrl = '')
{
return JchOptimizeHelper::findExcludes(JchOptimizeHelper::getArray($this->params->get('pro_loadFilesAsync', '')), $sUrl);
}
/**
*
* @param type $sExcludeParams
* @param type $sField
* @return type
*/
public function prepareFieldOptions($sType, $sExcludeParams, $sGroup = '')
{
if ($sType == 'lazyload') {
$sGroup = 'file';
$aFieldOptions = $this->getLazyLoad();
} elseif ($sType == 'images') {
$sGroup = $sType;
$aM = explode('_', $sExcludeParams);
$aFieldOptions = $this->getImages($aM[1]);
} else {
$aFieldOptions = $this->getOptions($sType, $sGroup . 's');
}
$aOptions = array();
$oParams = $this->params;
$aExcludes = JchOptimizeHelper::getArray($oParams->get($sExcludeParams, array()));
foreach ($aExcludes as $sExclude) {
$aOptions[$sExclude] = $this->{'prepare' . ucfirst($sGroup) . 'Values'}($sExclude);
}
return array_unique(array_merge($aFieldOptions, $aOptions));
return $aFieldOptions;
}
/**
*
* @return type
*/
protected function cookieLessDomain($sType)
{
if ($this->params->get('pro_cookielessdomain_enable', '0') && in_array($sType, $this->params->get('pro_staticfiles', array('css', 'js', 'jpe?g', 'gif', 'png', 'ico', 'bmp', 'pdf')))) {
return JchOptimizeHelper::cookieLessDomain($this->params, JchPlatformPaths::assetPath(TRUE));
}
return JchPlatformPaths::assetPath();
}
/**
* Determines if file requires http protocol to get contents (Not allowed)
*
* @param string $sUrl
* @return boolean
*/
protected function isHttpAdapterAvailable($sUrl)
{
return preg_match('#^(?:http|//)#i', $sUrl) && !JchOptimizeHelper::isInternal($sUrl) || preg_match('#\\.php|^(?!.*?\\.(?:js|css)).++#i', $sUrl);
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
protected function _correctUrlCB($aMatches)
{
$sUriBase = str_replace('/administrator', '', JUri::base(TRUE));
$sImageUrl = $aMatches[1];
$sCssFileUrl = isset($this->aUrl['url']) ? $this->aUrl['url'] : '/';
if (!preg_match('#^/|://|^data:#', $sImageUrl)) {
$aCssUrlArray = explode('/', $sCssFileUrl);
array_pop($aCssUrlArray);
$sCssRootPath = implode('/', $aCssUrlArray) . '/';
$sImagePath = $sCssRootPath . $sImageUrl;
$oUri = JURI::getInstance($sImagePath);
$sUriPath = preg_replace('#^' . preg_quote($sUriBase, '#') . '/#', '', $oUri->getPath());
$oUri->setPath($sUriBase . '/' . $sUriPath);
$sImageUrl = $oUri->toString();
}
if (JchOptimizeHelper::isInternal($sCssFileUrl)) {
if (JchOptimizeHelper::isInternal($sImageUrl)) {
$oUri = JURI::getInstance($sImageUrl);
$sImageUrl = $oUri->toString(array('path', 'query', 'fragment'));
}
}
return 'url(' . $sImageUrl . ')';
}
