a22573bf0b
- WordPress core y plugins - Tema Twenty Twenty-Four configurado - Plugin allow-unfiltered-html.php simplificado - .gitignore configurado para excluir wp-config.php y uploads 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
666 lines
23 KiB
PHP
Executable File
666 lines
23 KiB
PHP
Executable File
<?php
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namespace Perfmatters;
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use Sabberworm\CSS\CSSList\AtRuleBlockList;
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use Sabberworm\CSS\CSSList\CSSBlockList;
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use Sabberworm\CSS\CSSList\Document;
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use Sabberworm\CSS\OutputFormat;
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use Sabberworm\CSS\Parser as CSSParser;
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use Sabberworm\CSS\Property\Charset;
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use Sabberworm\CSS\RuleSet\DeclarationBlock;
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use Sabberworm\CSS\Settings;
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use Sabberworm\CSS\Value\URL;
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use WP_Admin_Bar;
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class CSS
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{
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private static $used_selectors;
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private static $excluded_selectors;
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//initialize css functions
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public static function init()
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{
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if(isset($_GET['perfmatterscssoff'])) {
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return;
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}
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if(!empty(Config::$options['assets']['remove_unused_css'])) {
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add_action('wp', array('Perfmatters\CSS', 'queue'));
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add_action('wp_ajax_perfmatters_clear_post_used_css', array('Perfmatters\CSS', 'clear_post_used_css'));
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add_action('admin_bar_menu', array('Perfmatters\CSS', 'admin_bar_menu'));
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add_action('admin_notices', array('Perfmatters\CSS', 'admin_notices'));
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add_action('admin_post_perfmatters_clear_used_css', array('Perfmatters\CSS', 'admin_bar_clear_used_css'));
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}
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}
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//queue functions
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public static function queue()
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{
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add_action('perfmatters_output_buffer_template_redirect', array('Perfmatters\CSS', 'remove_unused_css'));
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}
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//remove unused css
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public static function remove_unused_css($html)
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{
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if(empty(apply_filters('perfmatters_remove_unused_css', true))) {
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return $html;
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}
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if(Utilities::get_post_meta('perfmatters_exclude_unused_css')) {
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return $html;
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}
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//only logged out
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if(is_user_logged_in()) {
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return $html;
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}
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//skip woocommerce
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if(Utilities::is_woocommerce()) {
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return $html;
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}
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//only known url types
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$type = self::get_url_type();
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if(empty($type)) {
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return $html;
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}
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//setup file variables
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$used_css_path = PERFMATTERS_CACHE_DIR . 'css/' . $type . '.used.css';
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$used_css_url = PERFMATTERS_CACHE_URL . 'css/' . $type . '.used.css';
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$used_css_exists = file_exists($used_css_path);
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//match all stylesheets
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preg_match_all('#<link\s[^>]*?href=[\'"]([^\'"]+?\.css.*?)[\'"][^>]*?\/?>#i', $html, $stylesheets, PREG_SET_ORDER);
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if(!empty($stylesheets)) {
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//create our css cache directory
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if(!is_dir(PERFMATTERS_CACHE_DIR . 'css/')) {
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@mkdir(PERFMATTERS_CACHE_DIR . 'css/', 0755, true);
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}
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//populate used selectors
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self::get_used_selectors($html);
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self::get_excluded_selectors();
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$used_css_string = '';
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//loop through stylesheets
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foreach($stylesheets as $key => $stylesheet) {
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//stylesheet check
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if(!preg_match('#\srel=[\'"]stylesheet[\'"]#is', $stylesheet[0])) {
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continue;
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}
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//ignore google fonts
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if(stripos($stylesheet[1], '//fonts.googleapis.com/css') !== false || stripos($stylesheet[1], '.google-fonts.css') !== false) {
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continue;
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}
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//exclude entire stylesheets
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$stylesheet_exclusions = array(
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'dashicons.min.css', //core
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'/uploads/elementor/css/post-', //elementor
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'animations.min.css',
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'woocommerce-mobile.min.css', //woocommerce
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'woocommerce-smallscreen.css',
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'/uploads/oxygen/css/', //oxygen
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'/uploads/bb-plugin/cache/', //beaver builder
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'/uploads/generateblocks/', //generateblocks
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'/et-cache/', //divi
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'/widget-google-reviews/assets/css/public-main.css' //plugin for google reviews
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);
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if(!empty(Config::$options['assets']['rucss_excluded_stylesheets'])) {
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$stylesheet_exclusions = array_merge($stylesheet_exclusions, Config::$options['assets']['rucss_excluded_stylesheets']);
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}
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$stylesheet_exclusions = apply_filters('perfmatters_rucss_excluded_stylesheets', $stylesheet_exclusions);
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foreach($stylesheet_exclusions as $exclude) {
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if(strpos($stylesheet[1], $exclude) !== false) {
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unset($stylesheets[$key]);
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continue 2;
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}
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}
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//need to generate used css
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if(!$used_css_exists) {
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//get local stylesheet path
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$url = str_replace(trailingslashit(apply_filters('perfmatters_local_stylesheet_url', (!empty(Config::$options['assets']['rucss_cdn_url']) ? Config::$options['assets']['rucss_cdn_url'] : site_url()))), '', explode('?', $stylesheet[1])[0]);
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$file = str_replace('/wp-content', '/', WP_CONTENT_DIR) . $url;
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//make sure local file exists
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if(!file_exists($file)) {
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continue;
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}
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//get used css from stylesheet
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$used_css = self::clean_stylesheet($stylesheet[1], @file_get_contents($file));
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//add used stylesheet css to total used
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$used_css_string.= $used_css;
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}
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//delay stylesheets
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if(empty(Config::$options['assets']['rucss_stylesheet_behavior'])) {
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$new_link = preg_replace('#href=([\'"]).+?\1#', 'data-pmdelayedstyle="' . $stylesheet[1] . '"',$stylesheet[0]);
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$html = str_replace($stylesheet[0], $new_link, $html);
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}
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//async stylesheets
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elseif(Config::$options['assets']['rucss_stylesheet_behavior'] == 'async') {
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$new_link = preg_replace(array('#media=([\'"]).+?\1#', '#onload=([\'"]).+?\1#'), '', $stylesheet[0]);
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$new_link = str_replace('<link', '<link media="print" onload="this.media=\'all\';this.onload=null;"', $new_link);
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$html = str_replace($stylesheet[0], $new_link, $html);
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}
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//remove stylesheets
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elseif(Config::$options['assets']['rucss_stylesheet_behavior'] == 'remove') {
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$html = str_replace($stylesheet[0], '', $html);
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}
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}
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//store used css file
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if(!empty($used_css_string)) {
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if(file_put_contents($used_css_path, apply_filters('perfmatters_used_css', $used_css_string)) !== false) {
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$time = get_option('perfmatters_used_css_time', array());
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$time[$type] = time();
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//update stored timestamp
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update_option('perfmatters_used_css_time', $time);
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}
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}
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//print used css inline after first title tag
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$pos = strpos($html, '</title>');
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if($pos !== false) {
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//print file
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if(!empty(Config::$options['assets']['rucss_method']) && Config::$options['assets']['rucss_method'] == 'file') {
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//grab stored timestamp for query string
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$time = get_option('perfmatters_used_css_time', array());
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if(!empty($time[$type])) {
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$used_css_url = add_query_arg('ver', $time[$type], $used_css_url);
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}
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$used_css_output = "<link rel='preload' href='" . $used_css_url . "' as='style' onload=\"this.rel='stylesheet';this.removeAttribute('onload');\">";
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$used_css_output.= '<link rel="stylesheet" id="perfmatters-used-css" href="' . $used_css_url . '" media="all" />';
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}
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//print inline
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else {
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$used_css_output = '<style id="perfmatters-used-css">' . file_get_contents($used_css_path) . '</style>';
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}
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$html = substr_replace($html, '</title>' . $used_css_output, $pos, 8);
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}
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//delay stylesheet script
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if(empty(Config::$options['assets']['rucss_stylesheet_behavior'])) {
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$delay_check = !empty(apply_filters('perfmatters_delay_js', !empty(Config::$options['assets']['delay_js']))) && !Utilities::get_post_meta('perfmatters_exclude_delay_js');
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if(!$delay_check || empty(Config::$options['assets']['delay_js_behavior']) || isset($_GET['perfmattersjsoff'])) {
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$script = '<script type="text/javascript" id="perfmatters-delayed-styles-js">!function(){const e=["keydown","mousemove","wheel","touchmove","touchstart","touchend"];function t(){document.querySelectorAll("link[data-pmdelayedstyle]").forEach(function(e){e.setAttribute("href",e.getAttribute("data-pmdelayedstyle"))}),e.forEach(function(e){window.removeEventListener(e,t,{passive:!0})})}e.forEach(function(e){window.addEventListener(e,t,{passive:!0})})}();</script>';
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$html = str_replace('</body>', $script . '</body>', $html);
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}
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}
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}
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return $html;
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}
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//get url type
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private static function get_url_type()
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{
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global $wp_query;
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$type = '';
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if($wp_query->is_page) {
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$type = is_front_page() ? 'front' : 'page-' . $wp_query->post->ID;
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}
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elseif($wp_query->is_home) {
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$type = 'home';
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}
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elseif($wp_query->is_single) {
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$type = get_post_type() !== false ? get_post_type() : 'single';
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}
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elseif($wp_query->is_category) {
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$type = 'category';
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}
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elseif($wp_query->is_tag) {
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$type = 'tag';
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}
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elseif($wp_query->is_tax) {
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$type = 'tax';
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}
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elseif($wp_query->is_archive) {
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$type = $wp_query->is_day ? 'day' : ($wp_query->is_month ? 'month' : ($wp_query->is_year ? 'year' : ($wp_query->is_author ? 'author' : 'archive')));
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}
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elseif($wp_query->is_search) {
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$type = 'search';
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}
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elseif($wp_query->is_404) {
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$type = '404';
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}
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return $type;
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}
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//get used selectors in html
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private static function get_used_selectors($html) {
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if(!$html) {
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return;
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}
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//get dom document
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$libxml_previous = libxml_use_internal_errors(true);
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$dom = new \DOMDocument();
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$result = $dom->loadHTML($html);
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libxml_clear_errors();
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libxml_use_internal_errors($libxml_previous);
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if($result) {
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$dom->xpath = new \DOMXPath($dom);
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//setup used selectors array
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self::$used_selectors = array('tags' => array(), 'ids' => array(), 'classes' => array());
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//search for used selectors in dom
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$classes = array();
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foreach($dom->getElementsByTagName('*') as $tag) {
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//add tag
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self::$used_selectors['tags'][$tag->tagName] = 1;
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//add add tag id
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if($tag->hasAttribute('id')) {
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self::$used_selectors['ids'][$tag->getAttribute('id')] = 1;
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}
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//store tag classes
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if($tag->hasAttribute('class')) {
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$class = $tag->getAttribute('class');
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$tag_classes = preg_split('/\s+/', $class);
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array_push($classes, ...$tag_classes);
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}
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}
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//add classes
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$classes = array_filter(array_unique($classes));
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if($classes) {
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self::$used_selectors['classes'] = array_fill_keys($classes, 1);
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}
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}
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}
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//get excluded selectors
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private static function get_excluded_selectors() {
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self::$excluded_selectors = array(
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'.wp-embed-responsive', //core
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'.wp-block-embed',
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'.wp-block-embed__wrapper',
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'.wp-caption',
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'#elementor-device-mode', //elementor
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'.elementor-nav-menu',
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'.elementor-has-item-ratio',
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'.elementor-popup-modal',
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'.elementor-sticky--active',
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'.dialog-type-lightbox',
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'.dialog-widget-content',
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'.lazyloaded',
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'.elementor-motion-effects-container',
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'.elementor-motion-effects-layer',
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'.ast-header-break-point', //astra
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'.dropdown-nav-special-toggle', //kadence
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'rs-fw-forcer' //rev slider
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);
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if(!empty(Config::$options['assets']['rucss_excluded_selectors'])) {
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self::$excluded_selectors = array_merge(self::$excluded_selectors, Config::$options['assets']['rucss_excluded_selectors']);
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}
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self::$excluded_selectors = apply_filters('perfmatters_rucss_excluded_selectors', self::$excluded_selectors);
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}
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//remove unusde css from stylesheet
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private static function clean_stylesheet($url, $css)
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{
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//https://github.com/sabberworm/PHP-CSS-Parser/issues/150
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$css = preg_replace('/^\xEF\xBB\xBF/', '', $css);
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//setup css parser
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$settings = Settings::create()->withMultibyteSupport(false);
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$parser = new CSSParser($css, $settings);
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$parsed_css = $parser->parse();
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//convert relative urls to full urls
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self::fix_relative_urls($url, $parsed_css);
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$css_data = self::prep_css_data($parsed_css);
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return self::remove_unused_selectors($css_data);
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}
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//convert relative urls to full urls
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private static function fix_relative_urls($stylesheet_url, Document $data)
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{
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//get base url from stylesheet
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$base_url = preg_replace('#[^/]+(\?.*)?$#', '', $stylesheet_url);
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//search css for urls
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$values = $data->getAllValues();
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foreach($values as $value) {
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if(!($value instanceof URL)) {
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continue;
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}
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$url = $value->getURL()->getString();
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//not relative
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if(preg_match('/^(https?|data):/', $url)) {
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continue;
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}
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$parsed_url = parse_url($url);
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//final checks
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if(!empty($parsed_url['host']) || empty($parsed_url['path']) || $parsed_url['path'][0] === '/') {
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continue;
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}
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//create full url and replace
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$new_url = $base_url . $url;
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$value->getUrl()->setString($new_url);
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}
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}
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//prep parsed css for cleaning
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private static function prep_css_data(CSSBlockList $data)
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{
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$items = array();
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foreach($data->getContents() as $content) {
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//remove charset objects since were printing inline
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if($content instanceof Charset) {
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continue;
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}
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if($content instanceof AtRuleBlockList) {
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$items[] = array(
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'rulesets' => self::prep_css_data($content),
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'at_rule' => "@{$content->atRuleName()} {$content->atRuleArgs()}",
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);
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}
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else {
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$item = array('css' => $content->render(OutputFormat::createCompact()));
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if($content instanceof DeclarationBlock) {
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$item['selectors'] = self::sort_selectors($content->getSelectors());
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}
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$items[] = $item;
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}
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}
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return $items;
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}
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//sort selectors into different categories we need
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private static function sort_selectors($selectors)
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{
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$selectors = array_map(
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function($sel) {
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return $sel->__toString();
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},
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$selectors
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);
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$selectors_data = array();
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foreach($selectors as $selector) {
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//setup selector data array
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$data = array(
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'selector' => trim($selector),
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'classes' => array(),
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'ids' => array(),
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'tags' => array(),
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'atts' => array()
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);
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//eliminate false negatives (:not(), pseudo, etc...)
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$selector = preg_replace('/(?<!\\\\)::?[a-zA-Z0-9_-]+(\(.+?\))?/', '', $selector);
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//atts
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$selector = preg_replace_callback(
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'/\[([A-Za-z0-9_:-]+)(\W?=[^\]]+)?\]/',
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function($matches) use (&$data) {
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$data['atts'][] = $matches[1];
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return '';
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},
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$selector
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);
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//classes
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$selector = preg_replace_callback(
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'/\.((?:[a-zA-Z0-9_-]+|\\\\.)+)/',
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function($matches) use (&$data) {
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$data['classes'][] = stripslashes($matches[1]);
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return '';
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},
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$selector
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);
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//ids
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$selector = preg_replace_callback(
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'/#([a-zA-Z0-9_-]+)/',
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function($matches) use (&$data) {
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$data['ids'][] = $matches[1];
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return '';
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},
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$selector
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);
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//tags
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$selector = preg_replace_callback(
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'/[a-zA-Z0-9_-]+/',
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function($matches) use (&$data) {
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$data['tags'][] = $matches[0];
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return '';
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},
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$selector
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);
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//add selector data to main array
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$selectors_data[] = array_filter($data);
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}
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return array_filter($selectors_data);
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}
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//remove unused selectors from css data
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private static function remove_unused_selectors($data)
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{
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$rendered = [];
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foreach($data as $item) {
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//has css
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if(isset($item['css'])) {
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//need at least one selector match
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$should_render = !isset($item['selectors']) || 0 !== count(array_filter($item['selectors'],
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function($selector) {
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return self::is_selector_used($selector);
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}
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));
|
|
|
|
if($should_render) {
|
|
$rendered[] = $item['css'];
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
//nested rulesets
|
|
if(!empty($item['rulesets'])) {
|
|
$child_rulesets = self::remove_unused_selectors($item['rulesets']);
|
|
|
|
if($child_rulesets) {
|
|
$rendered[] = sprintf('%s{%s}', $item['at_rule'], $child_rulesets);
|
|
}
|
|
}
|
|
}
|
|
|
|
return implode("", $rendered);
|
|
}
|
|
|
|
//check if selector is used
|
|
private static function is_selector_used($selector)
|
|
{
|
|
//:root selector
|
|
if($selector['selector'] === ':root') {
|
|
return true;
|
|
}
|
|
|
|
//lone attribute selector
|
|
if(!empty($selector['atts']) && (empty($selector['classes']) && empty($selector['ids']) && empty($selector['tags']))) {
|
|
return true;
|
|
}
|
|
|
|
//search for excluded selector match
|
|
if(!empty(self::$excluded_selectors)) {
|
|
foreach(self::$excluded_selectors as $key => $value) {
|
|
if(preg_match('#(' . preg_quote($value) . ')(?=\s|\.|\:|,|\[|$)#', $selector['selector'])) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
//is selector used in the dom
|
|
foreach(array('classes', 'ids', 'tags') as $type) {
|
|
if(!empty($selector[$type])) {
|
|
|
|
//cast array if needed
|
|
$targets = (array)$selector[$type];
|
|
foreach($targets as $target) {
|
|
|
|
//bail if a target doesn't exist
|
|
if(!isset(self::$used_selectors[$type][$target])) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//delete all files in the css cache directory
|
|
public static function clear_used_css()
|
|
{
|
|
$files = glob(PERFMATTERS_CACHE_DIR . 'css/*');
|
|
foreach($files as $file) {
|
|
if(is_file($file)) {
|
|
unlink($file);
|
|
}
|
|
}
|
|
delete_option('perfmatters_used_css_time');
|
|
}
|
|
|
|
//clear used css file for specific post or post type
|
|
public static function clear_post_used_css() {
|
|
if(empty($_POST['action']) || empty($_POST['nonce']) || empty($_POST['post_id'])) {
|
|
return;
|
|
}
|
|
|
|
if($_POST['action'] != 'perfmatters_clear_post_used_css') {
|
|
return;
|
|
}
|
|
|
|
if(!wp_verify_nonce($_POST['nonce'], 'perfmatters_clear_post_used_css')) {
|
|
return;
|
|
}
|
|
|
|
$post_id = (int)$_POST['post_id'];
|
|
$post_type = get_post_type($post_id);
|
|
$path = $post_type == 'page' ? 'page-' . $post_id : $post_type;
|
|
|
|
$file = PERFMATTERS_CACHE_DIR . 'css/' . $path . '.used.css';
|
|
if(is_file($file)) {
|
|
unlink($file);
|
|
}
|
|
|
|
wp_send_json_success();
|
|
exit;
|
|
}
|
|
|
|
//add admin bar menu item
|
|
public static function admin_bar_menu(WP_Admin_Bar $wp_admin_bar) {
|
|
|
|
if(!current_user_can('manage_options') || !perfmatters_network_access()) {
|
|
return;
|
|
}
|
|
|
|
$type = !is_admin() ? self::get_url_type() : '';
|
|
|
|
$menu_item = array(
|
|
'parent' => 'perfmatters',
|
|
'id' => 'perfmatters-clear-used-css',
|
|
'title' => __('Clear Used CSS', 'perfmatters') . ' (' . (!empty($type) ? __('Current', 'perfmatters') : __('All', 'perfmatters')) . ')',
|
|
'href' => add_query_arg(array(
|
|
'action' => 'perfmatters_clear_used_css',
|
|
'_wp_http_referer' => rawurlencode($_SERVER['REQUEST_URI']),
|
|
'_wpnonce' => wp_create_nonce('perfmatters_clear_used_css'),
|
|
'type' => $type
|
|
),
|
|
admin_url('admin-post.php'))
|
|
);
|
|
|
|
$wp_admin_bar->add_menu($menu_item);
|
|
}
|
|
|
|
//display admin notices
|
|
public static function admin_notices() {
|
|
|
|
if(get_transient('perfmatters_used_css_cleared') === false) {
|
|
return;
|
|
}
|
|
|
|
delete_transient('perfmatters_used_css_cleared');
|
|
echo '<div class="notice notice-success is-dismissible"><p><strong>' . __('Used CSS cleared.', 'perfmatters' ) . '</strong></p></div>';
|
|
}
|
|
|
|
//clear used css from admin bar
|
|
public static function admin_bar_clear_used_css() {
|
|
|
|
if(!isset($_GET['_wpnonce']) || !wp_verify_nonce(sanitize_key($_GET['_wpnonce']), 'perfmatters_clear_used_css')) {
|
|
wp_nonce_ays('');
|
|
}
|
|
|
|
if(!empty($_GET['type'])) {
|
|
|
|
//clear specific type
|
|
$file = PERFMATTERS_CACHE_DIR . 'css/' . $_GET['type'] . '.used.css';
|
|
if(is_file($file)) {
|
|
unlink($file);
|
|
}
|
|
}
|
|
else {
|
|
|
|
//clear all
|
|
self::clear_used_css();
|
|
if(is_admin()) {
|
|
set_transient('perfmatters_used_css_cleared', 1);
|
|
}
|
|
}
|
|
|
|
//go back to url where button was pressed
|
|
wp_safe_redirect(esc_url_raw(wp_get_referer()));
|
|
exit;
|
|
}
|
|
} |