/**
* 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;
}
/**
*
*/
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 $sOptimizedHtml;
}
/**
* Minify the markeup given in the constructor
*
* @return string
*/
public function process()
{
JCH_DEBUG ? \JchPlatformProfiler::mark('beforeProcess plgSystem (JCH Optimize)') : null;
if ($this->_isXhtml === null) {
$this->_isXhtml = preg_match('#^\\s*+<!DOCTYPE[^X]++XHTML#i', $this->_html);
}
if ($this->_isHtml5 === null) {
$this->_isHtml5 = preg_match('#^\\s*+<!DOCTYPE html>#i', $this->_html);
}
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterTestHtml plgSystem (JCH Optimize)') : null;
//Replace comments (not containing IE conditional comments)
$this->_html = preg_replace('#(?>(?:<(?!!))?[^<]*+(?:<(?:script|style)\\b[^>]*+>(?><?[^<]*+)*?<\\/(?:script|style)>|<!--\\[(?>\\]?[^\\]]*+)*?\\]--!?>|' . '<!DOCTYPE[^>]++>)?)*?\\K(?:<!--(?>-?[^-\\[]*+)*?--!?>|[^<]*+\\K$)#i', '', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterReplaceComments plgSystem (JCH Optimize)') : null;
//Reduce whitespace outside all elements to one space
$this->_html = preg_replace('#(?>>?[^>]*+>(?>[^>]*+\\S[^>]*+>)*?)*?\\K(?:(?<=>)\\s++(?=<)|[^<]*+$\\K)#', ' ', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterReduceWs plgSystem (JCH Optimize)') : null;
//block/undisplayed elements
$b = 'address|article|aside|audio|body|blockquote|canvas|dd|div|dl' . '|fieldset|figcaption|figure|footer|form|h[1-6]|head|header|hgroup|html|noscript|ol|output|p' . '|pre|section|style|table|title|tfoot|ul|video';
//self closing block/undisplayed elements
$b2 = 'base|meta|link|hr';
//inline elements
$i = 'b|big|i|small|tt' . '|abbr|acronym|cite|code|dfn|em|kbd|strong|samp|var' . '|a|bdo|br|map|object|q|script|span|sub|sup' . '|button|label|select|textarea';
//self closing inline elements
$i2 = 'img|input';
// remove ws around block elements preserving space around inline elements
$this->_html = preg_replace("#(?>\\s*+(?:<(?:(?>{$i})\\b[^>]*+>|(?:/(?>{$i})\\b>|(?>{$i2})\\b[^>]*+>)\\s*+)|<[^>]*+>)|[^<]++)*?\\K" . "(?:\\s++(?=<(?>{$b}|{$b2})\\b)|(?:</(?>{$b})\\b>|<(?>{$b2})\\b[^>]*+>)\\K\\s++(?!<(?>{$i}|{$i2})\\b)|\$)#i", '', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterRemoveWsAroundBlocks plgSystem (JCH Optimize)') : null;
//Minify scripts
$this->_html = preg_replace_callback('#(?><?[^<]*+)*?\\K(?:(<(script|style)\\b[^>]*+>)((?>(?:<(?!/\\g{2}))?[^<]++)+?)(<\\/\\g{2}>)|$)#i', array($this, '_minifyCB'), $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterMinifyScripts plgSystem (JCH Optimize)') : null;
//elements to escape
$e = 'pre|script|style|textarea';
//Regex for escape elements
$p = "<pre\\b[^>]*+>(?><?[^<]*+)*?</pre>";
$sc = "<script\\b[^>]*+>(?><?[^<]*+)*?</script>";
$st = "<style\\b[^>]*+>(?><?[^<]*+)*?</style>";
$t = "<textarea\\b[^>]*+>(?><?[^<]*+)*?</textarea>";
//Replace runs of whitespace inside elements with single space escaping pre, textarea, scripts and style elements
$this->_html = preg_replace("#(?>[^<]*+(?:{$p}|{$sc}|{$st}|{$t}|<[^>]++>[^<]*+))*?(?:(?:<(?!{$e})[^>]*+>)?(?>\\s?[^\\s<]*+)*?\\K\\s{2,}|\\K\$)#i", ' ', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterReplaceRunsOfWs plgSystem (JCH Optimize)') : null;
//Remove additional ws around attributes
$this->_html = preg_replace('#(?><?[^<]*+)*?(?:<[a-z0-9]++\\K\\s++|\\G[^\\>=]++=(?(?=\\s*+["\'])\\s*+["\'][^"\']*+["\']|[^\\s]++)\\K\\s++|$\\K)#i', ' ', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterRemoveWsAroundAttributes plgSystem (JCH Optimize)') : null;
if ($this->_isHtml5) {
$ns1 = '"[^"\'`=<>\\s]*+(?:[\'`=<>\\s]|(?<=\\\\)")(?>(?:(?<=\\\\)")?[^"]*+)*?(?<!\\\\)"';
$ns2 = "'[^'\"`=<>\\s]*+(?:[\"`=<>\\s]|(?<=\\\\)')(?>(?:(?<=\\\\)')?[^']*+)*?(?<!\\\\)'";
//Remove quotes from selected attributes
$this->_html = preg_replace("#(?:(?=[^>]*+>)|<[a-z0-9]++ )" . "(?>[=]?[^=>]*+(?:=(?:{$ns1}|{$ns2})|>(?><?[^<]*+)*?(?:<[a-z0-9]++ |\$))?)*?" . "(?:=\\K([\"'])([^\"'`=<>\\s]++)\\g{1}[ ]?|\\K\$)#i", '$2 ', $this->_html);
}
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterRemoveQuotes plgSystem (JCH Optimize)') : null;
//remove redundant attributes
$this->_html = preg_replace('#(?><?[^<]*+)*?<(?:(?:script|style|link)|/html>)(?>[ ]?[^ >]*+)*?\\K(?: type=["\']?text/(?:javascript|css)|[^<]*+\\K$)#i', '', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterRemoveAttributes plgSystem (JCH Optimize)') : null;
//Remove last whitespace in open tag
$this->_html = preg_replace('#(?><?[^<]*+)*?(?:<[a-z0-9]++(?>\\s*+[^\\s>]++)*?\\K(?:\\s++(?=>)|(?<=["\'])\\s++(?=/>))|$\\K)#i', '', $this->_html);
// JCH_DEBUG ? \JchPlatformProfiler::mark('afterRemoveLastWs plgSystem (JCH Optimize)') : null;
return trim($this->_html);
}
/**
*
* @param type $sHtml
*/
public static function attachProfiler(&$sHtml)
{
if (!is_super_admin()) {
return;
}
$items = JchPlatformProfiler::mark(TRUE);
$node = self::getAdminBarNodeBegin() . $items . self::getAdminBarNodeEnd();
$script = '<script type="application/javascript">' . 'var ul = document.getElementById("wp-admin-bar-root-default");' . 'ul.insertAdjacentHTML(\'beforeend\', \'' . $node . '\');' . '</script>';
$sHtml = str_replace('</body>', $script . '</body>', $sHtml);
}
/**
* Grabs background images with no-repeat attribute from css and merge them in one file called a sprite.
* Css is updated with sprite url and correct background positions for affected images.
* Sprite saved in {Joomla! base}/images/jch-optimize/
*
* @param string $sCss Aggregated css file before sprite generation
* @return string Css updated with sprite information on success. Original css on failure
*/
public function getSprite($sCss)
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeGetSprite plgSystem (JCH Optimize)') : null;
$sImageLibrary = $this->getImageLibrary();
$aMatches = $this->processCssUrls($sCss);
if (empty($aMatches) || $sImageLibrary === FALSE) {
return $sCss;
}
$this->params->set('sprite-path', JchPlatformPaths::spriteDir());
$aSearch = $this->generateSprite($aMatches, new CssSpriteGen($sImageLibrary, $this->params));
JCH_DEBUG ? JchPlatformProfiler::mark('afterGetSprite plgSystem (JCH Optimize)') : null;
return $aSearch;
}
public function getOriginalHtml()
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeGetHtml') : null;
$url = home_url() . '/?jchbackend=1';
try {
$oFileRetriever = JchOptimizeFileRetriever::getInstance();
$response = $oFileRetriever->getFileContents($url);
if ($oFileRetriever->response_code != 200) {
throw new Exception(JchPlatformUtility::translate('Failed fetching front end HTML with response code ' . $oFileRetriever->response_code));
}
JCH_DEBUG ? JchPlatformProfiler::mark('afterGetHtml') : null;
return $response;
} catch (Exception $e) {
JchOptimizeLogger::log($url . ': ' . $e->getMessage(), $this->params);
JCH_DEBUG ? JchPlatformProfiler::mark('afterGetHtml)') : null;
throw new RunTimeException(_('Load or refresh the front-end site first then refresh this page ' . 'to populate the multi select exclude lists.'));
}
}
/**
* Optimize website by aggregating css and js
*
*/
public function process($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;
}
/**
*
* @param type $oObj
* @param type $sCss
* @return type
*/
public function generateAdminLinks($oObj, $sCss)
{
JCH_DEBUG ? JchPlatformProfiler::start('GenerateAdminLinks') : null;
$params = clone $this->params;
$params->set('javascript', '1');
$params->set('css', '1');
$params->set('excludeAllExtensions', '0');
$params->set('css_minify', '0');
$params->set('debug', '0');
$params->set('bottom_js', '2');
$sHtml = $oObj->getOriginalHtml();
$oParser = new JchOptimizeParser($params, $sHtml, JchOptimizeFileRetriever::getInstance());
$aLinks = $oParser->getReplacedFiles();
if ($sCss == '' && !empty($aLinks['css'][0])) {
$oCombiner = new JchOptimizeCombiner($params, $this->bBackend);
$oCssParser = new JchOptimizeCssParser($params, $this->bBackend);
$oCombiner->combineFiles($aLinks['css'][0], 'css', $oCssParser);
$sCss = $oCombiner->css;
}
$oSpriteGenerator = new JchOptimizeSpriteGenerator($params);
$aLinks['images'] = $oSpriteGenerator->processCssUrls($sCss, TRUE);
JCH_DEBUG ? JchPlatformProfiler::stop('GenerateAdminLinks', TRUE) : null;
return $aLinks;
}
/**
* If parameter is set will minify HTML before sending to browser;
* Inline CSS and JS will also be minified if respective parameters are set
*
* @return string Optimized HTML
* @throws Exception
*/
public static function minifyHtml($sHtml, $oParams)
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeMinifyHtml plgSystem (JCH Optimize)') : null;
$aOptions = array();
if ($oParams->get('css_minify', 0)) {
$aOptions['cssMinifier'] = array('JchOptimize\\CSS_Optimize', 'process');
}
if ($oParams->get('js_minify', 0)) {
$aOptions['jsMinifier'] = array('JchOptimize\\JS_Optimize', 'minify');
}
$aOptions['minify_level'] = $oParams->get('html_minify_level', 2);
if ($oParams->get('html_minify', 0)) {
$sHtmlMin = HTML_Optimize::minify($sHtml, $aOptions);
if ($sHtmlMin == '') {
JchOptimizeLogger::log(JchPlatformUtility::translate('Error while minifying HTML'), $oParams);
$sHtmlMin = $sHtml;
}
$sHtml = $sHtmlMin;
}
JCH_DEBUG ? JchPlatformProfiler::mark('afterMinifyHtml plgSystem (JCH Optimize)') : null;
return $sHtml;
}
/**
*
* @param type $sContent
* @param type $sUrl
*/
protected function minifyContent($sContent, $sType, $aUrl)
{
if ($this->params->get($sType . '_minify', 0) && preg_match('#\\s++#', trim($sContent))) {
$sUrl = isset($aUrl['url']) ? $aUrl['url'] : ($sType == 'css' ? 'Style' : 'Script') . ' Declaration';
JCH_DEBUG ? JchPlatformProfiler::mark('beforeMinifyContent - "' . $sUrl . '" plgSystem (JCH Optimize)') : null;
$sMinifiedContent = trim($sType == 'css' ? CSS_Optimize::process($sContent) : JS_Optimize::minify($sContent));
if (is_null($sMinifiedContent) || $sMinifiedContent == '') {
JchOptimizeLogger::log(sprintf(JchPlatformUtility::translate('Error occurred trying to minify: %s'), $aUrl['url']), $this->params);
$sMinifiedContent = $sContent;
}
JCH_DEBUG ? JchPlatformProfiler::mark('afterMinifyContent - "' . $sUrl . '" plgSystem (JCH Optimize)') : null;
return $sMinifiedContent;
}
return $sContent;
}
/**
*
* @return type
*/
public function lazyLoadImages()
{
if ($this->params->get('pro_lazyload', '0')) {
JCH_DEBUG ? JchPlatformProfiler::start('LazyLoadImages') : null;
$sLazyLoadBodyHtml = preg_replace($this->getLazyLoadRegex(), '$1src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="$3" ' . 'data-jchll="true"$4<noscript>$1$2$4</noscript>', $this->getBodyHtml());
if (is_null($sLazyLoadBodyHtml)) {
JchOptimizeLogger::log('Lazy load images function failed', $this->params);
return;
}
if (preg_match($this->getBodyRegex(), $sLazyLoadBodyHtml, $aBodyMatches) === FALSE || empty($aBodyMatches)) {
JchOptimizeLogger::log('Failed retrieving body in lazy load images function', $this->params);
return;
}
$this->sBodyHtml = $aBodyMatches[0];
JCH_DEBUG ? JchPlatformProfiler::stop('LazyLoadImages', TRUE) : null;
}
}
public function parseUserAgent($userAgent)
{
JCH_DEBUG ? JchPlatformProfiler::start('ParseUserAgent') : null;
//Chrome
if (preg_match('#^(?:(?=[^(]*+\\([^AM)]*+(Android|Macintosh)))?(?>(?:Mozilla|AppleWebKit|Safari)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|Chrome/(\\d++\\.\\d++)[\\d. ]*+|Mobile\\s*+){4,5}$|' . '^(?=[^(]*+\\([^A)]*+Android)(?=(?>V?[^V]*+)*?Version/)(?>(?:Mozilla|AppleWebKit|Safari|Version)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|Chrome/(\\d++\\.\\d++)[\\d. ]*+|Mobile\\s*+){5,6}$|' . '^(?>(?:Mozilla|AppleWebKit|Safari|Chrome)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|Chromium/(\\d++\\.\\d++)[\\d. ]*+|(?:Fedora|Ubuntu)/?[\\d. ]*+){5,6}#', $userAgent, $version)) {
if (!empty($version[2])) {
$this->browser = 'Chrome';
$this->version = (double) $version[2];
} elseif (!empty($version[3])) {
$this->browser = 'Android WebView';
$this->version = (double) $version[3];
} elseif (!empty($version[4])) {
$this->browser = 'Chromium';
$this->version = (double) $version[4];
}
if (!empty($version[1]) || $this->browser == 'Android WebView') {
if ($this->version >= 40) {
$this->fontHash = 'c0fbf0f0/woff2';
} elseif ($this->version >= 36) {
$this->fontHash = 'd70f5a27/woff2';
} elseif ($this->version >= 31) {
$this->fontHash = '1578596c/woff';
} else {
$this->fontHash = '34c6462b/woff';
}
} else {
if ($this->version >= 40) {
$this->fontHash = 'd858f13e/woff2';
} elseif ($this->version >= 36) {
$this->fontHash = 'c9ad59db/woff2';
} else {
$this->fontHash = '1dc159a2/woff';
}
}
} elseif (preg_match('#^(?=(?>F?[^F]*+)*?Firefox/(\\d++\\.\\d++))(?:(?=[^(]*+\\((?>[AiM]?[^AiM)]*+)*?(Android|(?:Macintosh|iP(?:[oa]d|hone)))))?(?>(?:Mozilla|MyWebkit|Gecko|Firefox|Navigator|TenFourFox)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|[^/]++){3,4}$#', $userAgent, $version)) {
$this->browser = 'Firefox';
$this->version = (double) $version[1];
if (!empty($version[2]) && $version[2] == 'Android') {
if ($this->version >= 35) {
$this->fontHash = '9a0a6e1c/woff2/woff';
} elseif ($this->version >= 3.6) {
$this->fontHash = '34c6462b/woff';
}
} elseif (!empty($version[2])) {
if ($this->version >= 35) {
$this->fontHash = '34b7815d/woff2/woff';
} elseif ($this->version >= 3.6) {
$this->fontHash = '1578596c/woff';
} else {
$this->fontHash = '269b5aae/ttf';
}
} else {
if ($this->version >= 35) {
$this->fontHash = '0dc68147/woff2/woff';
} elseif ($this->version >= 3.6) {
$this->fontHash = '1dc159a2/woff';
}
}
} elseif (preg_match('#^(?=(?>V?[^V]*+)*?Version/(\\d++\\.\\d++))(?:(?=[^(]*+\\([^O)]*+Opera\\s*+Mini/(\\d++\\.\\d++)))?(?>(?:Opera|Presto|Version)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|[^/]++){3}$|' . '^(?=(?>O?[^O]*+)*?OPR/(\\d++\\.\\d++))(?:(?=[^(]*+\\([^M)]*+(Macintosh)))?(?>(?:Mozilla|AppleWebKit|Chrome|Safari|OPR)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?|[^/]++){5}$#', $userAgent, $version)) {
if (!empty($version[2])) {
$this->browser = 'Opera Mini';
$this->version = (double) $version[2];
} else {
$this->browser = 'Opera';
$this->version = (double) (!empty($version[1]) ? $version[1] : $version[3]);
}
if (!empty($version[4]) && $version[4] == 'Macintosh') {
if ($this->version >= 23) {
$this->fontHash = 'c0fbf0f0/woff2';
} elseif ($this->version >= 11.1) {
$this->fontHash = '1578596c/woff';
} else {
$this->fontHash = '269b5aae/ttf';
}
} else {
if ($this->version >= 23) {
$this->fontHash = 'd858f13e/woff2';
} elseif ($this->version >= 11.1) {
$this->fontHash = '1dc159a2/woff';
}
}
} elseif (preg_match('#^(?:(?=[^(]*+\\(\\s*+(?:Macintosh|iP(?:[oa]d|hone))[^O)]++OS\\s*+X?\\s*+(\\d++[_.]\\d*+)))?(?:(?=(?>[CV]?[^CV]*+)*?(CriOS|Version)/(\\d++\\.\\d++)))?(?>(?:Mozilla|AppleWebKit|Version|Mobile|Safari|CriOS|OPiOS)/[\\d.\\w]*+\\s*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?){4,5}$#', $userAgent, $version)) {
if (!empty($version[2]) && $version[2] == 'CriOS') {
$this->browser = 'Chrome';
} else {
$this->browser = 'Safari';
}
if (!empty($version[3])) {
$this->version = (double) $version[3];
}
if (!empty($version[1])) {
$os_version = (double) str_replace('_', '.', $version[1]);
// OS version
if ($this->version >= 5 || $this->version == 0.0) {
$this->fontHash = '1578596c/woff';
} elseif ($this->version < 5 && $os_version <= 4.2) {
$this->fontHash = 'd7745f9b/svg';
} elseif ($this->version < 5 && $os_version > 4.2) {
$this->fontHash = '269b5aae/ttf';
}
}
} elseif (preg_match('#^Mozilla/5\\.0\\s*+\\(\\s*+Windows\\s++(?:NT|Phone)[^T)]*+Trident[^r)]*+rv:(\\d++)\\.[^)]*+\\)\\s*+like\\s++Gecko\\s*+|' . '^Mozilla/[\\d. ]*+\\(compatible;\\s*+MSIE (\\d++)\\.#', $userAgent, $version)) {
$this->browser = 'IE';
$this->version = (double) (!empty($version[1]) ? $version[1] : $version[2]);
if ($this->version >= 9) {
$this->fontHash = '1dc159a2/woff';
} else {
$this->fontHash = 'ea09403b/eot';
}
} elseif (preg_match('#^(?>(?:Mozilla|AppleWebKit|Safari|Chrome)/[\\d. ]*+(?:\\([^)]*+\\)(?:[^()]*+\\))*\\s*+)?)++Edge/(\\d++\\.\\d++)[\\d. ]*+#', $userAgent, $version)) {
$this->browser = 'Edge';
$this->version = (double) (!empty($version[1]) ? $version[1] : $this->version);
$this->fontHash = '1dc159a2/woff';
}
JCH_DEBUG ? JchPlatformProfiler::stop('ParseUserAgent', TRUE) : null;
}
/**
* If parameter is set will minify HTML before sending to browser;
* Inline CSS and JS will also be minified if respective parameters are set
*
* @return string Optimized HTML
* @throws Exception
*/
public static function minifyHtml($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;
}
/**
*
* @param type $oObj
* @param type $sCss
* @return type
*/
public function generateAdminLinks($oObj, $sCss)
{
JCH_DEBUG ? JchPlatformProfiler::start('GenerateAdminLinks') : null;
$params = clone $this->params;
$params->set('javascript', '1');
$params->set('css', '1');
$params->set('excludeAllExtensions', '0');
$params->set('css_minify', '0');
$params->set('debug', '0');
$params->set('bottom_js', '2');
##<procode>##
$params->set('pro_phpAndExternal', '1');
$params->set('pro_inlineScripts', '1');
$params->set('pro_lazyload', '0');
##</procode>##
$sHtml = $oObj->getOriginalHtml();
$oParser = new JchOptimizeParser($params, $sHtml, JchOptimizeFileRetriever::getInstance());
$aLinks = $oParser->getReplacedFiles();
if ($sCss == '' && !empty($aLinks['css'][0])) {
$oCombiner = new JchOptimizeCombiner($params, $this->bBackend);
$oCssParser = new JchOptimizeCssParser($params, $this->bBackend);
$oCombiner->combineFiles($aLinks['css'][0], 'css', $oCssParser);
$sCss = $oCombiner->css;
}
$oSpriteGenerator = new JchOptimizeSpriteGenerator($params);
$aLinks['images'] = $oSpriteGenerator->processCssUrls($sCss, TRUE);
##<procode>##
$sRegex = $oParser->getLazyLoadRegex();
preg_match_all($sRegex, $oParser->getBodyHtml(), $aMatches);
$aLinks['lazyload'] = $aMatches[1];
##</procode>##
JCH_DEBUG ? JchPlatformProfiler::stop('GenerateAdminLinks', TRUE) : null;
return $aLinks;
}
/**
*
* @param type $sRegex
* @param type $sType
* @param type $sSection
* @param type $aCBArgs
* @throws Exception
*/
protected function searchArea($sRegex, $sSection, $aCBArgs)
{
JCH_DEBUG ? JchPlatformProfiler::start('SearchArea - ' . $sSection) : null;
$obj = $this;
$sProcessedHtml = preg_replace_callback($sRegex, function ($aMatches) use($obj, $aCBArgs) {
return $obj->replaceScripts($aMatches, $aCBArgs);
}, $this->{'s' . ucfirst($sSection) . 'Html'});
if (is_null($sProcessedHtml)) {
throw new Exception(sprintf('Error while parsing for links in %1$s', $sSection));
}
$this->{'s' . ucfirst($sSection) . 'Html'} = $sProcessedHtml;
JCH_DEBUG ? JchPlatformProfiler::stop('SearchArea - ' . $sSection, TRUE) : null;
}
/**
*
*/
protected function getImagesWithoutAttributes()
{
if($this->params->get('img_attributes_enable', '0'))
{
JCH_DEBUG ? JchPlatformProfiler::start('GetImagesWithoutAttributes') : null;
$rx = '#(?><?[^<]*+)*?\K(?:<img\s++(?!(?=(?>[^\s>]*+\s++)*?width\s*+=\s*+["\'][^\'">a-z]++[\'"])'
. '(?=(?>[^\s>]*+\s++)*?height\s*+=\s*+["\'][^\'">a-z]++[\'"]))'
. '(?=(?>[^\s>]*+\s++)*?src\s*+=(?:\s*+"([^">]*+)"|\s*+\'([^\'>]*+)\'|([^\s>]++)))[^>]*+>|$)#i';
preg_match_all($rx, $this->getBodyHtml(), $m, PREG_PATTERN_ORDER);
$this->aLinks['img'] = array_map(function($a){return array_slice($a, 0, -1);}, $m);
JCH_DEBUG ? JchPlatformProfiler::stop('GetImagesWithoutAttributes', true) : null;
}
}
/**
* 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)
{
$sContents = '';
$sLifetime = (int) $this->params->get('lifetime', '30') * 24 * 60 * 60;
$this->bAsync = FALSE;
$this->sAsyncUrl = '';
$oFileRetriever = JchOptimizeFileRetriever::getInstance();
foreach ($aUrlArray as $aUrl) {
$sUrl = $this->prepareFileUrl($aUrl, $sType);
JCH_DEBUG ? JchPlatformProfiler::start('CombineFile - ' . $sUrl) : null;
if ($sType == 'js') {
$sJsContents = $this->handleAsyncUrls($aUrl);
if ($sJsContents === FALSE) {
continue;
}
$sContents .= $sJsContents;
unset($sJsContents);
}
if (isset($aUrl['id']) && $aUrl['id'] != '') {
$function = array($this, 'cacheContent');
$args = array($aUrl, $sType, $oFileRetriever, $oCssParser, TRUE);
$sCachedContent = JchPlatformCache::getCallbackCache($aUrl['id'], $sLifetime, $function, $args);
$this->{$sType} .= $sCachedContent;
if (!isset($aUrl['url']) && $this->sAsyncUrl != '' && $sType == 'js') {
$this->sAsyncUrl = '';
}
if ($this->sAsyncUrl == '') {
$sContents .= $this->addCommentedUrl($sType, $aUrl) . '[[JCH_' . $aUrl['id'] . ']]' . $this->sLnEnd . 'DELIMITER';
}
} else {
$sContent = $this->cacheContent($aUrl, $sType, $oFileRetriever, $oCssParser, FALSE);
$sContents .= $this->addCommentedUrl($sType, $aUrl) . $sContent . '|"LINE_END"|';
}
JCH_DEBUG ? JchPlatformProfiler::stop('CombineFile - ' . $sUrl, TRUE) : null;
}
if ($this->bAsync) {
$sContents = $this->getLoadScript() . $sContents;
if ($this->sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $this->sAsyncUrl) . 'loadScript("' . $this->sAsyncUrl . '", function(){}); DELIMITER';
$this->sAsyncUrl = '';
}
}
return $sContents;
}
/**
* Insert url of aggregated file in html
*
* @param string $sNewLink Url of aggregated file
*/
protected function replaceLinks($sId, $sType)
{
JCH_DEBUG ? JchPlatformProfiler::start('ReplaceLinks - ' . $sType) : null;
$sSearchArea = $this->oParser->getHeadHtml();
$sSearchArea .= $this->oParser->getBodyHtml();
$sLink = $this->{'getNew' . ucfirst($sType) . 'Link'}();
$sUrl = $this->buildUrl($sId, $sType);
$sNewLink = str_replace('URL', $sUrl, $sLink);
if ($sType == 'js' && $this->params->get('bottom_js', '0') == '1') {
$sNewLink = str_replace('JCHI', '0', $sNewLink);
$sSearchArea = str_replace('</body>', $sNewLink, $sSearchArea);
$this->oParser->sHtml = str_replace('</body>', $sNewLink, $this->oParser->sHtml);
} elseif ($this->params->get('bottom_js', '0')) {
$sNewLink = str_replace('JCHI', '0', $sNewLink);
$sSearchArea = str_replace('</title>', $sNewLink, $sSearchArea);
} else {
$sSearchArea = preg_replace_callback('#<JCH_' . strtoupper($sType) . '([^>]++)>#', function ($aM) use($sNewLink) {
return str_replace('JCHI', $aM[1], $sNewLink);
}, $sSearchArea);
}
$this->oParser->setSearchArea(preg_replace($this->oParser->getBodyRegex(), '', $sSearchArea, 1), 'head');
$this->oParser->setSearchArea(preg_replace($this->oParser->getHeadRegex(), '', $sSearchArea, 1), 'body');
JCH_DEBUG ? JchPlatformProfiler::stop('ReplaceLinks - ' . $sType, TRUE) : null;
}
/**
* Uses regex to find css declarations containing background images to include in sprite
*
* @param string $sCss Aggregated css file
* @return array Array of css declarations and image urls to replace with sprite
*/
public function processCssUrls($sCss, $bBackend = FALSE)
{
JCH_DEBUG ? JchPlatformProfiler::start('ProcessCssUrls') : null;
$params = $this->params;
$aRegexStart = array();
$aRegexStart[0] = '
#(?:{
(?=\\s*+(?>[^}\\s:]++[\\s:]++)*?url\\(
(?=[^)]+\\.(?:png|gif|jpe?g))
([^)]+)\\))';
$aRegexStart[1] = '
(?=\\s*+(?>[^}\\s:]++[\\s:]++)*?no-repeat)';
$aRegexStart[2] = '
(?(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?:[^;}\\s]++[^}\\S]++)*?
(?<p>(?:[tblrc](?:op|ottom|eft|ight|enter)|-?[0-9]+(?:%|[c-x]{2})?))(?:\\s+(?&p))?)
(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?>[^;}\\s]++[\\s]++)*?
(?:left|top|0(?:%|[c-x]{2})?)\\s+(?:left|top|0(?:%|[c-x]{2})?)
)
)';
$sRegexMiddle = '
[^{}]++} )';
$sRegexEnd = '#isx';
$aIncludeImages = JchOptimizeHelper::getArray($params->get('csg_include_images'));
$aExcludeImages = JchOptimizeHelper::getArray($params->get('csg_exclude_images'));
$sIncImagesRegex = '';
if (!empty($aIncludeImages[0])) {
foreach ($aIncludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sIncImagesRegex .= '
|(?:{
(?=\\s*+(?>[^}\\s:]++[\\s:]++)*?url';
$sIncImagesRegex .= ' (?=[^)]* [/(](?:' . implode('|', $aIncludeImages) . ')\\))';
$sIncImagesRegex .= '\\(([^)]+)\\)
)
[^{}]++ })';
}
$sExImagesRegex = '';
if (!empty($aExcludeImages[0])) {
$sExImagesRegex .= '(?=\\s*+(?>[^}\\s:]++[\\s:]++)*?url\\(
[^)]++ (?<!';
foreach ($aExcludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sExImagesRegex .= implode('|', $aExcludeImages) . ')\\)
)';
}
$sRegexStart = implode('', $aRegexStart);
$sRegex = $sRegexStart . $sExImagesRegex . $sRegexMiddle . $sIncImagesRegex . $sRegexEnd;
if (preg_match_all($sRegex, $sCss, $aMatches) === FALSE) {
throw new Exception('Error occurred matching for images to sprite');
}
if (isset($aMatches[3])) {
$total = count($aMatches[1]);
for ($i = 0; $i < $total; $i++) {
$aMatches[1][$i] = trim($aMatches[1][$i]) ? $aMatches[1][$i] : $aMatches[3][$i];
}
}
if ($bBackend) {
$aImages = array();
$aImagesMatches = array();
$aImgRegex = array();
$aImgRegex[0] = $aRegexStart[0];
$aImgRegex[2] = $aRegexStart[1];
$aImgRegex[4] = $sRegexMiddle;
$aImgRegex[5] = $sRegexEnd;
$sImgRegex = implode('', $aImgRegex);
if (preg_match_all($sImgRegex, $sCss, $aImagesMatches) === FALSE) {
throw new Exception('Error occurred matching for images to include');
}
$aImagesMatches[0] = array_diff($aImagesMatches[0], $aMatches[0]);
$aImagesMatches[1] = array_diff($aImagesMatches[1], $aMatches[1]);
$oImageLibrary = $this->getImageLibrary();
if ($oImageLibrary === FALSE) {
return array();
}
$oCssSpriteGen = new CssSpriteGen($oImageLibrary, $this->params, $bBackend);
$aImages['include'] = $oCssSpriteGen->CreateSprite($aImagesMatches[1]);
$aImages['exclude'] = $oCssSpriteGen->CreateSprite($aMatches[1]);
return $aImages;
}
JCH_DEBUG ? JchPlatformProfiler::stop('ProcessCssUrls', TRUE) : null;
return $aMatches;
}
/**
*
* @staticvar string $sCssRuleRegex
* @param type $sContent
* @param type $sHtml
*/
public function optimizeCssDelivery($sContents, $sHtml)
{
JCH_DEBUG ? JchPlatformProfiler::start('OptimizeCssDelivery') : null;
$sHtmlTruncated = '';
preg_replace_callback('#<(?:[a-z0-9]++)(?:[^>]*+)>(?><?[^<]*+)*?(?=<[a-z0-9])#i', function ($aM) use(&$sHtmlTruncated) {
$sHtmlTruncated .= $aM[0];
return;
}, $sHtml, (int) $this->params->get('pro_optimizeCssDelivery', '200'));
$sHtmlTruncated = preg_replace('#\\s*=\\s*["\']([^"\']++)["\']#i', '=" $1 "', $sHtmlTruncated);
$sHtmlTruncated = preg_replace_callback('#(<(?>[^<>]++|(?1))*+>)|((?<=>)(?=[^<>\\S]*+[^<>\\s])[^<>]++)#', function ($m) {
if (isset($m[1]) && $m[1] != '') {
return $m[0];
}
if (isset($m[2]) && $m[2] != '') {
return ' ';
}
}, $sHtmlTruncated);
$obj = $this;
$oDom = new DOMDocument();
libxml_use_internal_errors(TRUE);
$oDom->loadHtml($sHtmlTruncated);
libxml_clear_errors();
$oXPath = new DOMXPath($oDom);
$sCriticalCss = '';
$sContents = preg_replace_callback('#' . self::cssRulesRegex() . '#', function ($aMatches) use($obj, $oXPath, $sHtmlTruncated, &$sCriticalCss) {
return $obj->extractCriticalCss($aMatches, $oXPath, $sHtmlTruncated, $sCriticalCss);
}, $sContents);
$sCriticalCss = preg_replace('#@[^{]*+{[^\\S}]*+}#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#@[^{]*+{[^\\S}]*+}#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#/\\*\\*\\*!+[^!]+!\\*\\*\\*+/[^\\S]*+(?=\\/\\*\\*\\*!|$)#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#\\s*[\\r\\n]{2,}\\s*#', "\n\n", $sCriticalCss);
$aContents = array('font-face' => trim($sContents), 'criticalcss' => trim($sCriticalCss));
JCH_DEBUG ? JchPlatformProfiler::stop('OptimizeCssDelivery', TRUE) : null;
return $aContents;
}
/**
*
* @return type
*/
public function lazyLoadImages()
{
if ($this->params->get('pro_lazyload', '0')) {
JCH_DEBUG ? JchPlatformProfiler::start('LazyLoadImages') : null;
$sLazyLoadBodyHtml = preg_replace($this->getLazyLoadRegex(), 'data-src="$1" src="' . JchOptimizeHelper::cookieLessDomain($this->params) . JchPlatformPaths::imageFolder() . 'placeholder.gif" data-jchll="true"', $this->getBodyHtml());
if (is_null($sLazyLoadBodyHtml)) {
JchOptimizeLogger::log(JchPlatformUtility::translate('Lazy load images function failed'), $this->params);
return;
}
if (preg_match($this->getBodyRegex(), $sLazyLoadBodyHtml, $aBodyMatches) === FALSE || empty($aBodyMatches)) {
JchOptimizeLogger::log(JchPlatformUtility::translate('Failed retrieving body in lazy load images function'), $this->params);
return;
}
$this->sBodyHtml = $aBodyMatches[0];
JCH_DEBUG ? JchPlatformProfiler::stop('LazyLoadImages', TRUE) : null;
}
}
/**
*
* @param type $sRegex
* @param type $sType
* @param type $sSection
* @param type $aCBArgs
* @throws Exception
*/
protected function searchArea($sRegex, $sSection, $aCBArgs)
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeSearchArea - ' . $sSection . ' plgSystem (JCH Optimize)') : null;
$obj = $this;
$sProcessedHtml = preg_replace_callback($sRegex, function ($aMatches) use($obj, $aCBArgs) {
return $obj->replaceScripts($aMatches, $aCBArgs);
}, $this->{'s' . ucfirst($sSection) . 'Html'});
if (is_null($sProcessedHtml)) {
throw new Exception(sprintf(JchPlatformUtility::translate('Error while parsing for links in %1$s'), $sSection));
}
$this->{'s' . ucfirst($sSection) . 'Html'} = $sProcessedHtml;
JCH_DEBUG ? JchPlatformProfiler::mark('afterSearchArea - ' . $sSection . ' plgSystem (JCH Optimize)') : null;
}
/**
* Create and cache aggregated file if it doesn't exists, file will have
* lifetime set in global configurations.
*
* @param array $aFunction Name of function used to aggregate files
* @param array $aArgs Arguments used by function above
* @param string $sId Generated id to identify cached file
* @return boolean True on success
*/
public function loadCache($aFunction, $aArgs, $sId)
{
JCH_DEBUG ? JchPlatformProfiler::mark('beforeLoadCache plgSystem (JCH Optimize)') : null;
$iLifeTime = (int) $this->params->get('lifetime', '30') * 24 * 60 * 60;
$bCached = JchPlatformCache::getCallbackCache($sId, $iLifeTime, $aFunction, $aArgs);
JCH_DEBUG ? JchPlatformProfiler::mark('afterLoadCache plgSystem (JCH Optimize)') : null;
return $bCached;
}
