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<?php |
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|
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/** |
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* JCH Optimize - Performs several front-end optimizations for fast downloads |
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* |
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* @package jchoptimize/core |
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* @author Samuel Marshall <samuel@jch-optimize.net> |
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* @copyright Copyright (c) 2022 Samuel Marshall / JCH Optimize |
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* @license GNU/GPLv3, or later. See LICENSE file |
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* |
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* If LICENSE file missing, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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namespace JchOptimize\Core; |
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|
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// No direct access |
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use _JchOptimizeVendor\V91\Joomla\DI\ContainerAwareInterface; |
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use _JchOptimizeVendor\V91\Joomla\DI\ContainerAwareTrait; |
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use _JchOptimizeVendor\V91\Psr\Log\LoggerAwareInterface; |
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use _JchOptimizeVendor\V91\Psr\Log\LoggerAwareTrait; |
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use CodeAlfa\Minify\Html; |
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use JchOptimize\Core\Debug\JchProfiler; |
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use JchOptimize\Core\Debug\JchProfilerInterface; |
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use JchOptimize\Core\Exception\ExceptionInterface; |
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use JchOptimize\Core\Html\CacheManager; |
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use JchOptimize\Core\Html\HtmlManager; |
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use JchOptimize\Core\Html\HtmlProcessor; |
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use JchOptimize\Core\Platform\ProfilerInterface; |
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use JchOptimize\Core\Platform\UtilityInterface; |
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use JchOptimize\Core\Preloads\Http2Preload; |
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|
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use function defined; |
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use function ini_get; |
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use function ini_set; |
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use function json_encode; |
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use function version_compare; |
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|
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use const JSON_PRETTY_PRINT; |
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use const JSON_UNESCAPED_SLASHES; |
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|
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defined('_JCH_EXEC') or die('Restricted access'); |
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|
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/** |
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* Main plugin file |
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* |
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*/ |
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class Optimize implements LoggerAwareInterface, ContainerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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use ContainerAwareTrait; |
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|
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private string $jit; |
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|
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/** |
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* @throws Exception\RuntimeException |
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*/ |
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public function __construct( |
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private Registry $params, |
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private HtmlProcessor $htmlProcessor, |
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private CacheManager $cacheManager, |
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private HtmlManager $htmlManager, |
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private Http2Preload $http2Preload, |
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private ProfilerInterface $jProfiler, |
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private UtilityInterface $utility |
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) { |
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$this->jit = ini_get('pcre.jit'); |
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|
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self::setPcreLimits(); |
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|
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if (version_compare(PHP_VERSION, '8.0', '<')) { |
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throw new Exception\RuntimeException('PHP Version less than 8.0, Exiting plugin...'); |
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} |
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} |
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|
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public static function setPcreLimits(): void |
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{ |
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ini_set('pcre.backtrack_limit', '1000000'); |
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ini_set('pcre.recursion_limit', '1000000'); |
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ini_set('pcre.jit', '0'); |
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} |
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|
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public function process(string $html): string |
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{ |
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!JCH_DEBUG ?: $this->jProfiler->start('Process', true); |
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|
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try { |
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$this->htmlProcessor->setHtml($html); |
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|
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$this->htmlManager->preProcessHtml(); |
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$this->htmlProcessor->processCombineJsCss(); |
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$this->htmlProcessor->processImageAttributes(); |
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|
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$this->cacheManager->handleCombineJsCss(); |
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$this->cacheManager->handleImgAttributes(); |
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|
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$this->htmlProcessor->processCdn(); |
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$this->htmlProcessor->processLazyLoad(); |
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$this->htmlManager->postProcessHtml(); |
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|
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$optimizedHtml = $this->minifyHtml($this->htmlProcessor->getHtml()); |
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|
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!JCH_DEBUG ?: $this->jProfiler->stop('Process', true); |
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|
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!JCH_DEBUG ?: $this->jProfiler->attachProfiler($optimizedHtml, $this->htmlProcessor->isAmpPage); |
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} catch (ExceptionInterface $e) { |
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$this->logger->error((string)$e); |
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|
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$optimizedHtml = $html; |
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} |
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|
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$profiler = $this->getContainer()->get(JchProfilerInterface::class); |
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|
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if ($profiler instanceof JchProfiler) { |
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$stats = $profiler->snapshot(); |
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|
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if ($stats) { |
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$this->logger?->debug( |
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json_encode($stats, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) |
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); |
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} |
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} |
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|
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ini_set('pcre.jit', (string)$this->jit); |
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|
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return $optimizedHtml; |
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} |
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|
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/** |
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* If parameter is set will minify HTML before sending to browser; |
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* Inline CSS and JS will also be minified if respective parameters are set |
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* |
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* @param string $html |
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* |
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* @return string Optimized HTML |
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*/ |
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public function minifyHtml(string $html): string |
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{ |
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!JCH_DEBUG ?: $this->jProfiler->start('MinifyHtml'); |
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|
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if ( |
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$this->params->get('combine_files_enable', '1') |
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&& $this->params->get('html_minify', 0) |
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) { |
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$options = []; |
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|
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if ($this->params->get('css_minify', 0)) { |
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$options['cssMinifier'] = array('CodeAlfa\Minify\Css', 'optimize'); |
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} |
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|
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if ($this->params->get('js_minify', 0)) { |
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$options['jsMinifier'] = array('CodeAlfa\Minify\Js', 'optimize'); |
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} |
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|
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$options['jsonMinifier'] = array('CodeAlfa\Minify\Json', 'optimize'); |
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$options['minifyLevel'] = $this->params->get('html_minify_level', 0); |
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$options['isXhtml'] = Helper::isXhtml($html); |
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$options['isHtml5'] = Helper::isHtml5($html); |
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|
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$htmlMin = Html::optimize($html, $options); |
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|
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if ($htmlMin == '') { |
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$this->logger->error('Error while minifying HTML'); |
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|
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$htmlMin = $html; |
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} |
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|
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$html = $htmlMin; |
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} |
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|
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!JCH_DEBUG ?: $this->jProfiler->stop('MinifyHtml', true); |
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|
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return $html; |
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} |
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} |
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|
