golden hour

/home/godaofbq/cellsonic-usa.com/wp-content/plugins/litespeed-cache/src

File/Folder	Size	Actions
activation.cls.php	17.62 KB
admin-display.cls.php	48.76 KB
admin-settings.cls.php	12.77 KB
admin.cls.php	6.13 KB
api.cls.php	10.44 KB
avatar.cls.php	9.25 KB
base.cls.php	37.66 KB
cdn	-
cdn.cls.php	17.76 KB
cloud-auth-callback.trait.php	10.43 KB
cloud-auth-ip.trait.php	4.33 KB
cloud-auth.trait.php	9.38 KB
cloud-misc.trait.php	10.32 KB
cloud-node.trait.php	5.95 KB
cloud-queue-svc.cls.php	9.33 KB
cloud-request.trait.php	19.68 KB
cloud.cls.php	7.32 KB
conf.cls.php	19.53 KB
control.cls.php	24.35 KB
core.cls.php	21.53 KB
crawler-map.cls.php	22.3 KB
crawler.cls.php	44 KB
css.cls.php	7.26 KB
data.cls.php	22.2 KB
data.upgrade.func.php	6.41 KB
data_structure	-
db-optm.cls.php	15.35 KB
debug2.cls.php	18.4 KB
doc.cls.php	5.45 KB
error.cls.php	7.35 KB
esi.cls.php	31.37 KB
file.cls.php	13.75 KB
guest.cls.php	2.75 KB
gui.cls.php	35.09 KB
health.cls.php	4.66 KB
htaccess.cls.php	29.81 KB
img-optm-manage.trait.php	31.25 KB
img-optm-pull.trait.php	22.1 KB
img-optm-send.trait.php	20.77 KB
img-optm.cls.php	5.25 KB
import.cls.php	4.29 KB
import.preset.cls.php	5.5 KB
lang.cls.php	17.02 KB
localization.cls.php	4.03 KB
media.cls.php	44.06 KB
metabox.cls.php	5.29 KB
object-cache-wp.cls.php	18.82 KB
object-cache.cls.php	21.82 KB
object.lib.php	13.85 KB
optimax.cls.php	8.94 KB
optimize.cls.php	38.74 KB
optimizer.cls.php	12.71 KB
placeholder.cls.php	17.64 KB
purge.cls.php	35.48 KB
report.cls.php	7.53 KB
rest.cls.php	7.95 KB
root.cls.php	14.29 KB
router.cls.php	20.86 KB
str.cls.php	3.08 KB
tag.cls.php	9.26 KB
task.cls.php	8.98 KB
tool.cls.php	4.58 KB
ucss.cls.php	7.34 KB
utility.cls.php	27.11 KB
vary.cls.php	21.33 KB
vpi.cls.php	4.25 KB

Edit: optimizer.cls.php

<?php
// phpcs:ignoreFile

/**
 * The optimize4 class.
 *
 * @since       1.9
 * @package     LiteSpeed
 */

namespace LiteSpeed;

defined('WPINC') || exit();

class Optimizer extends Root {

private $_conf_css_font_display;

/**
	 * Init optimizer
	 *
	 * @since  1.9
	 */
	public function __construct() {
		$this->_conf_css_font_display = $this->conf(Base::O_OPTM_CSS_FONT_DISPLAY);
	}

/**
	 * Run HTML minify process and return final content
	 *
	 * @since  1.9
	 * @access public
	 */
	public function html_min( $content, $force_inline_minify = false ) {
		if (!apply_filters('litespeed_html_min', true)) {
			Debug2::debug2('[Optmer] html_min bypassed via litespeed_html_min filter');
			return $content;
		}

$options = array();

if ($force_inline_minify) {
			$options['jsMinifier'] = __CLASS__ . '::minify_js';
		}

$skip_comments = $this->conf(Base::O_OPTM_HTML_SKIP_COMMENTS);
		if ($skip_comments) {
			$options['skipComments'] = $skip_comments;
		}

/**
		 * Added exception capture when minify
		 *
		 * @since  2.2.3
		 */
		try {
			$obj           = new Lib\HTML_MIN($content, $options);
			$content_final = $obj->process();
			// check if content from minification is empty
			if ($content_final == '') {
				Debug2::debug('Failed to minify HTML: HTML minification resulted in empty HTML');
				return $content;
			}
			if (!defined('LSCACHE_ESI_SILENCE')) {
				$content_final .= "\n" . '';
			}
			return $content_final;
		} catch (\Exception $e) {
			Debug2::debug('******[Optmer] html_min failed: ' . $e->getMessage());
			error_log('****** LiteSpeed Optimizer html_min failed: ' . $e->getMessage());
			return $content;
		}
	}

/**
	 * Run minify process and save content
	 *
	 * @since  1.9
	 * @access public
	 */
	public function serve( $request_url, $file_type, $minify, $src_list ) {
		// Try Unique CSS
		if ($file_type == 'css') {
			$content = false;
			if (defined('LITESPEED_GUEST_OPTM') || $this->conf(Base::O_OPTM_UCSS)) {
				$filename = $this->cls('UCSS')->load($request_url);

if ($filename) {
					return array( $filename, 'ucss' );
				}
			}
		}

// Before generated, don't know the contented hash filename yet, so used url hash as tmp filename
		$file_path_prefix = $this->_build_filepath_prefix($file_type);

$url_tag          = $request_url;
		$url_tag_for_file = md5($request_url);
		if (is_404()) {
			$url_tag_for_file = $url_tag = '404';
		} elseif ($file_type == 'css' && apply_filters('litespeed_ucss_per_pagetype', false)) {
			$url_tag_for_file = $url_tag = Utility::page_type();
		}

$static_file = LITESPEED_STATIC_DIR . $file_path_prefix . $url_tag_for_file . '.' . $file_type;

// Create tmp file to avoid conflict. Use atomic O_CREAT|O_EXCL via fopen('x') so two concurrent workers cannot both pass the guard (TOCTOU race fix).
		$tmp_static_file = $static_file . '.tmp';
		// Ensure parent directory exists (File::save would normally do this; fopen('x') would fail otherwise on a fresh install).
		$tmp_dir = dirname($tmp_static_file);
		if (!is_dir($tmp_dir)) {
			wp_mkdir_p($tmp_dir);
		}
		$tmp_fh = @fopen($tmp_static_file, 'x');
		if ($tmp_fh === false) {
			// Another worker holds the slot. Only treat the existing tmp as orphaned if filemtime() actually returns a usable timestamp older than 600s. A failed stat must NOT be interpreted as "stale" or we could evict a live worker and reopen the very race we are trying to prevent.
			$mtime = @filemtime($tmp_static_file);
			if ($mtime !== false && time() - $mtime > 600) {
				@unlink($tmp_static_file);
				$tmp_fh = @fopen($tmp_static_file, 'x');
			}
			if ($tmp_fh === false) {
				// Another live worker is generating; bail out and let the caller fall back to non-combined assets.
				return false;
			}
		}
		fclose($tmp_fh);
		// File::save( $tmp_static_file, '/* ' . ( is_404() ? '404' : $request_url ) . ' */', true ); // Can't use this bcos this will get filecon md5 changed
		if (File::save($tmp_static_file, '', true) === false) {
			Debug2::debug('[Optmer] File::save init failed, aborting: ' . $tmp_static_file);
			@unlink($tmp_static_file);
			return false;
		}

// Load content
		$real_files = array();
		foreach ($src_list as $src_info) {
			$is_min = false;
			if (!empty($src_info['inl'])) {
				// Load inline
				$content = $src_info['src'];
			} else {
				// Load file
				$content = $this->load_file($src_info['src'], $file_type);

if (!$content) {
					continue;
				}

$is_min = $this->is_min($src_info['src']);
			}
			$content = $this->optm_snippet($content, $file_type, $minify && !$is_min, $src_info['src'], !empty($src_info['media']) ? $src_info['media'] : false);
			// Write to file. Bail out on write failure (disk full / permission / etc.) so a partial tmp does not get hashed and persisted.
			if (File::save($tmp_static_file, $content, true, true) === false) {
				Debug2::debug('[Optmer] File::save append failed, aborting: ' . $tmp_static_file);
				@unlink($tmp_static_file);
				return false;
			}
		}

// if CSS - run the minification on the saved file.
		// Will move imports to the top of file and remove extra spaces.
		if ($file_type == 'css') {
			$obj                   = new Lib\CSS_JS_MIN\Minify\CSS();
			$file_content_combined = $obj->moveImportsToTop(File::read($tmp_static_file));

if (File::save($tmp_static_file, $file_content_combined) === false) {
				Debug2::debug('[Optmer] File::save minified CSS failed, aborting: ' . $tmp_static_file);
				@unlink($tmp_static_file);
				return false;
			}
		}

// validate md5. Defensive: if our tmp file vanished (e.g. swept by parallel cleanup, NFS metadata blip, or an unforeseen race), abort instead of writing a broken hash to the DB and serving 404 stylesheets.
		if (!is_file($tmp_static_file)) {
			Debug2::debug('[Optmer] tmp file vanished before md5_file: ' . $tmp_static_file);
			return false;
		}
		$filecon_md5 = md5_file($tmp_static_file);
		if ($filecon_md5 === false) {
			Debug2::debug('[Optmer] md5_file failed: ' . $tmp_static_file);
			@unlink($tmp_static_file);
			return false;
		}

$final_file_path = $file_path_prefix . $filecon_md5 . '.' . $file_type;
		$realfile        = LITESPEED_STATIC_DIR . $final_file_path;
		if (!file_exists($realfile)) {
			// Check rename() result so a failed move (disk full, permission, etc.) does NOT poison Data::save_url() with a hash whose final file was never created.
			if (!rename($tmp_static_file, $realfile)) {
				Debug2::debug('[Optmer] rename failed: ' . $tmp_static_file . ' -> ' . $realfile);
				@unlink($tmp_static_file);
				return false;
			}
			Debug2::debug2('[Optmer] Saved static file [path] ' . $realfile);
		} else {
			unlink($tmp_static_file);
		}

$vary = $this->cls('Vary')->finalize_full_varies();
		Debug2::debug2("[Optmer] Save URL to file for [file_type] $file_type [file] $filecon_md5 [vary] $vary ");
		$this->cls('Data')->save_url($url_tag, $vary, $file_type, $filecon_md5, dirname($realfile));

return array( $filecon_md5 . '.' . $file_type, $file_type );
	}

/**
	 * Add font optimization to content provided.
	 *
	 * @param string $content Content to change
	 * @return string Changed content
	 * @since  7.8
	 */
	public function optm_font_face( $content ) {
		// skip $this->_conf_css_font_display if not true or empty content
		if ( ! $this->_conf_css_font_display || empty( $content ) ) {
			return $content;
		}

$optimize_value = apply_filters( 'litespeed_font_optimize_value', 'swap' );
		$search_pattern = "/font-display\s*:(?!\s*" . preg_quote($optimize_value, '/') . ")[^;]+;?/ism";

return preg_replace_callback( '/@font-face\s*\{([^\}]*)\}/iS', function( $matches ) use ( $optimize_value, $search_pattern ) {
			$block_content = $matches[1];
			
			// add font-display if content do not have
			if ( stripos( $block_content, 'font-display' ) === false ) {
				$block_content = "font-display:" . $optimize_value . ";" . $block_content;
			} else if( 0 !== preg_match( $search_pattern, $block_content ) ) {
				// font-display have other value than swap
				$block_content = preg_replace( '/font-display\s*:\s*[^;\}]+;?/is', "font-display:$optimize_value;", $block_content );
			}

return "@font-face{ $block_content }";
		}, $content );
	}

/**
	 * Load a single file
	 *
	 * @since  4.0
	 */
	public function optm_snippet( $content, $file_type, $minify, $src, $media = false ) {
		// CSS related features
		if ($file_type == 'css') {
			// Font optimize
			$content = $this->optm_font_face( $content );

$content = preg_replace('/@charset[^;]+;\\s*/', '', $content);

if ($media) {
				$content = '@media ' . $media . '{' . $content . "\n}";
			}

if ($minify) {
				$content = self::minify_css($content);
			}

$content = $this->cls('CDN')->finalize($content);

if ((defined('LITESPEED_GUEST_OPTM') || $this->conf(Base::O_IMG_OPTM_WEBP)) && $this->cls('Media')->webp_support()) {
				$content = $this->cls('Media')->replace_background_webp($content);
			}
		} else {
			if ($minify) {
				$content = self::minify_js($content);
			} else {
				$content = $this->_null_minifier($content);
			}

$content .= "\n;";
		}

// Add filter
		$content = apply_filters('litespeed_optm_cssjs', $content, $file_type, $src);

return $content;
	}

/**
	 * Load remote resource from cache if existed
	 *
	 * @since  4.7
	 */
	private function load_cached_file( $url, $file_type ) {
		$file_path_prefix     = $this->_build_filepath_prefix($file_type);
		$folder_name          = LITESPEED_STATIC_DIR . $file_path_prefix;
		$to_be_deleted_folder = $folder_name . date('Ymd', strtotime('-2 days'));
		if (file_exists($to_be_deleted_folder)) {
			Debug2::debug('[Optimizer] ❌ Clearing folder [name] ' . $to_be_deleted_folder);
			File::rrmdir($to_be_deleted_folder);
		}

$today_file = $folder_name . date('Ymd') . '/' . md5($url);
		if (file_exists($today_file)) {
			return File::read($today_file);
		}

// Write file
		$res      = wp_safe_remote_get($url);
		$res_code = wp_remote_retrieve_response_code($res);
		if (is_wp_error($res) || $res_code != 200) {
			Debug2::debug2('[Optimizer] ❌ Load Remote error [code] ' . $res_code);
			return false;
		}
		$con = wp_remote_retrieve_body($res);
		if (!$con) {
			return false;
		}

Debug2::debug('[Optimizer] ✅ Save remote file to cache [name] ' . $today_file);
		File::save($today_file, $con, true);

return $con;
	}

/**
	 * Load remote/local resource
	 *
	 * @since  3.5
	 */
	public function load_file( $src, $file_type = 'css' ) {
		$real_file = Utility::is_internal_file($src);
		$postfix   = pathinfo(parse_url($src, PHP_URL_PATH), PATHINFO_EXTENSION);
		if (!$real_file || $postfix != $file_type) {
			Debug2::debug2('[CSS] Load Remote [' . $file_type . '] ' . $src);
			$this_url = substr($src, 0, 2) == '//' ? set_url_scheme($src) : $src;
			$con      = $this->load_cached_file($this_url, $file_type);

if ($file_type == 'css') {
				$dirname = dirname($this_url) . '/';

$con = Lib\UriRewriter::prepend($con, $dirname);
			}
		} else {
			Debug2::debug2('[CSS] Load local [' . $file_type . '] ' . $real_file[0]);
			$con = File::read($real_file[0]);

if ($file_type == 'css') {
				$dirname = dirname($real_file[0]);

$con = Lib\UriRewriter::rewrite($con, $dirname);
			}
		}

return $con;
	}

/**
	 * Minify CSS
	 *
	 * @since  2.2.3
	 * @access private
	 */
	public static function minify_css( $data ) {
		try {
			$obj = new Lib\CSS_JS_MIN\Minify\CSS();
			$obj->add($data);

return $obj->minify();
		} catch (\Exception $e) {
			Debug2::debug('******[Optmer] minify_css failed: ' . $e->getMessage());
			error_log('****** LiteSpeed Optimizer minify_css failed: ' . $e->getMessage());
			return $data;
		}
	}

/**
	 * Minify JS
	 *
	 * Added exception capture when minify
	 *
	 * @since  2.2.3
	 * @access private
	 */
	public static function minify_js( $data, $js_type = '' ) {
		// For inline JS optimize, need to check if it's js type
		if ($js_type) {
			preg_match('#type=([\'"])(.+)\g{1}#isU', $js_type, $matches);
			if ($matches && $matches[2] != 'text/javascript') {
				Debug2::debug('******[Optmer] minify_js bypass due to type: ' . $matches[2]);
				return $data;
			}
		}

try {
			$obj = new Lib\CSS_JS_MIN\Minify\JS();
			$obj->add($data);

return $obj->minify();
		} catch (\Exception $e) {
			Debug2::debug('******[Optmer] minify_js failed: ' . $e->getMessage());
			// error_log( '****** LiteSpeed Optimizer minify_js failed: ' . $e->getMessage() );
			return $data;
		}
	}

/**
	 * Basic minifier
	 *
	 * @access private
	 */
	private function _null_minifier( $content ) {
		$content = str_replace("\r\n", "\n", $content);

return trim($content);
	}

/**
	 * Check if the file is already min file
	 *
	 * @since  1.9
	 */
	public function is_min( $filename ) {
		$basename = basename($filename);
		if (preg_match('/[-\.]min\.(?:[a-zA-Z]+)$/i', $basename)) {
			return true;
		}

return false;
	}
}