447 lines
16 KiB
PHP
447 lines
16 KiB
PHP
<?php
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namespace WpAssetCleanUp;
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use WpAssetCleanUp\OptimiseAssets\OptimizeCommon;
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use WpAssetCleanUp\OptimiseAssets\OptimizeCss;
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use WpAssetCleanUp\OptimiseAssets\OptimizeJs;
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/**
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* Class Plugin
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* @package WpAssetCleanUp
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*/
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class Plugin
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{
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/**
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*
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*/
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const RATE_URL = 'https://wordpress.org/support/plugin/wp-asset-clean-up/reviews/#new-post';
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/**
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* Plugin constructor.
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*/
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public function __construct()
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{
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register_activation_hook(WPACU_PLUGIN_FILE, array($this, 'whenActivated'));
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register_deactivation_hook(WPACU_PLUGIN_FILE, array($this, 'whenDeactivated'));
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}
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/**
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*
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*/
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public function init()
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{
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// After fist time activation or in specific situations within the Dashboard
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add_action('admin_init', array($this, 'adminInit'));
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// [wpacu_lite]
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// Admin footer text: Ask the user to review the plugin
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add_filter('admin_footer_text', array($this, 'adminFooterText'), 1, 1);
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// [/wpacu_lite]
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// Show default action links: "Getting Started", "Settings"
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add_filter('plugin_action_links_'.WPACU_PLUGIN_BASE, array($this, 'addActionLinksInPluginsPage'));
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}
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// [wpacu_lite]
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/**
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* @param $text
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*
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* @return string
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*/
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public function adminFooterText($text)
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{
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if (Menu::isPluginPage()) {
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$text = sprintf(__('Thank you for using %s', 'wp-asset-clean-up'), WPACU_PLUGIN_TITLE.' v'.WPACU_PLUGIN_VERSION)
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. ' <span class="dashicons dashicons-smiley"></span> ';
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$text .= sprintf(
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__('If you like it, please %s<strong>rate</strong> %s%s %s on WordPress.org to help me spread the word to the community.', 'wp-asset-clean-up'),
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'<a target="_blank" href="'.self::RATE_URL.'">',
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WPACU_PLUGIN_TITLE,
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'</a>',
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'<a target="_blank" href="'.self::RATE_URL.'"><span class="dashicons dashicons-wpacu dashicons-star-filled"></span><span class="dashicons dashicons-wpacu dashicons-star-filled"></span><span class="dashicons dashicons-wpacu dashicons-star-filled"></span><span class="dashicons dashicons-wpacu dashicons-star-filled"></span><span class="dashicons dashicons-wpacu dashicons-star-filled"></span></a>'
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);
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}
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return $text;
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}
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// [/wpacu_lite]
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/**
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* Actions taken when the plugin is activated
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*/
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public function whenActivated()
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{
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if (WPACU_WRONG_PHP_VERSION === 'true') {
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$recordMsg = __( '"Asset CleanUp" plugin has not been activated because the PHP version used on this server is below 5.6.',
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'wp-asset-clean-up' );
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deactivate_plugins( WPACU_PLUGIN_BASE );
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error_log( $recordMsg );
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wp_die($recordMsg);
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}
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// Prepare for the redirection to the WPACU_ADMIN_PAGE_ID_START plugin page
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// If there is no record that the plugin was already activated at least once
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if ( ! get_option(WPACU_PLUGIN_ID.'_first_usage') ) {
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set_transient(WPACU_PLUGIN_ID . '_redirect_after_activation', 1, 15);
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// Make a record when Asset CleanUp (Pro) is used for the first time
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// In case this is the first time the plugin is activated
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self::triggerFirstUsage();
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}
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/**
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* Note: Could be /wp-content/uploads/ if constant WPACU_CACHE_DIR was used
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*
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* /wp-content/cache/asset-cleanup/
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* /wp-content/cache/asset-cleanup/index.php
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* /wp-content/cache/asset-cleanup/.htaccess
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*
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* /wp-content/cache/asset-cleanup/css/
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* /wp-content/cache/asset-cleanup/css/item/
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* /wp-content/cache/asset-cleanup/css/index.php
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*
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* /wp-content/cache/asset-cleanup/js/
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* /wp-content/cache/asset-cleanup/js/item/
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* /wp-content/cache/asset-cleanup/js/index.php
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*
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*/
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self::createCacheFoldersFiles(array('css','js'));
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// Do not apply plugin's settings/rules on WooCommerce/EDD Checkout/Cart pages
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if (function_exists('wc_get_page_id')) {
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if ($wooCheckOutPageId = wc_get_page_id('checkout')) {
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Misc::doNotApplyOptimizationOnPage($wooCheckOutPageId);
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}
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if ($wooCartPageId = wc_get_page_id('cart')) {
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Misc::doNotApplyOptimizationOnPage($wooCartPageId);
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}
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}
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if (function_exists('edd_get_option') && $eddPurchasePage = edd_get_option('purchase_page', '')) {
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Misc::doNotApplyOptimizationOnPage($eddPurchasePage);
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}
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}
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/**
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* Actions taken when the plugin is deactivated
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*/
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public function whenDeactivated()
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{
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// Clear traces of the plugin which are re-generated once the plugin is enabled
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// This is good when the admin wants to completely uninstall the plugin
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self::clearAllTransients();
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self::removeCacheDirWithoutAssets();
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// Clear other plugin's cache (if they are active)
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OptimizeCommon::clearOtherPluginsCache();
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}
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/**
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* Removes all plugin's transients, this is usually done when the plugin is deactivated
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*/
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public static function clearAllTransients()
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{
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global $wpdb;
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// Remove all transients
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$transientLikes = array(
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'_transient_wpacu_',
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'_transient_'.WPACU_PLUGIN_ID.'_'
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);
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$transientLikesSql = '';
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foreach ($transientLikes as $transientLike) {
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$transientLikesSql .= " option_name LIKE '".$transientLike."%' OR ";
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}
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$transientLikesSql = rtrim($transientLikesSql, ' OR ');
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$sqlQuery = <<<SQL
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SELECT option_name FROM `{$wpdb->prefix}options` WHERE {$transientLikesSql}
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SQL;
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$transientsToClear = $wpdb->get_col($sqlQuery);
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if (! empty($transientsToClear)) {
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foreach ( $transientsToClear as $transientToClear ) {
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$transientNameToClear = str_replace( '_transient_', '', $transientToClear );
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delete_transient( $transientNameToClear );
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}
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}
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}
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/**
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* This is usually triggered when the plugin is deactivated
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* If the caching directory doesn't have any CSS/JS left, it will clear itself
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* The admin might want to clear all traces of the plugin
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* If the plugin is re-activated, the caching directory will be re-created automatically
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*/
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public static function removeCacheDirWithoutAssets()
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{
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$pathToCacheDir = WP_CONTENT_DIR . OptimizeCommon::getRelPathPluginCacheDir();
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if (! is_dir($pathToCacheDir)) {
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return;
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}
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$pathToCacheDirCss = WP_CONTENT_DIR . OptimizeCss::getRelPathCssCacheDir();
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$pathToCacheDirJs = WP_CONTENT_DIR . OptimizeJs::getRelPathJsCacheDir();
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$allCssFiles = glob( $pathToCacheDirCss . '**/*.css' );
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$allJsFiles = glob( $pathToCacheDirJs . '**/*.js' );
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// Only valid when there's no CSS or JS (not one single file) there
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if ( count( $allCssFiles ) === 0 && count( $allJsFiles ) === 0 ) {
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$dirItems = new \RecursiveDirectoryIterator( $pathToCacheDir );
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$allDirs = array($pathToCacheDir);
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// First, remove the files
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foreach ( new \RecursiveIteratorIterator( $dirItems, \RecursiveIteratorIterator::SELF_FIRST,
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\RecursiveIteratorIterator::CATCH_GET_CHILD ) as $item) {
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if (is_dir($item)) {
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$allDirs[] = $item;
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} else {
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@unlink($item);
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}
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}
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if ( ! empty($allDirs) ) {
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usort( $allDirs, static function( $a, $b ) {
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return strlen( $b ) - strlen( $a );
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} );
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// Then, remove the empty dirs in descending order (up to the root)
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foreach ($allDirs as $dir) {
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Misc::rmDir($dir);
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}
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}
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}
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}
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/**
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* @param $assetTypes
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*/
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public static function createCacheFoldersFiles($assetTypes)
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{
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foreach ($assetTypes as $assetType) {
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if ($assetType === 'css') {
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$cacheDir = WP_CONTENT_DIR . OptimiseAssets\OptimizeCss::getRelPathCssCacheDir();
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} elseif ($assetType === 'js') {
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$cacheDir = WP_CONTENT_DIR . OptimiseAssets\OptimizeJs::getRelPathJsCacheDir();
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} else {
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return;
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}
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$emptyPhpFileContents = <<<TEXT
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<?php
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// Silence is golden.
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TEXT;
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$htAccessContents = <<<HTACCESS
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<IfModule mod_autoindex.c>
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Options -Indexes
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</IfModule>
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HTACCESS;
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if ( ! is_dir( $cacheDir ) ) {
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@mkdir( $cacheDir, FS_CHMOD_DIR, true );
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}
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if ( ! is_file( $cacheDir . 'index.php' ) ) {
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// /wp-content/cache/asset-cleanup/cache/(css|js)/index.php
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FileSystem::filePutContents( $cacheDir . 'index.php', $emptyPhpFileContents );
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}
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if ( ! is_dir( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir ) ) {
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// /wp-content/cache/asset-cleanup/cache/(css|js)/item/
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@mkdir( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir, FS_CHMOD_DIR );
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}
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// For large inline STYLE & SCRIPT tags
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if ( ! is_dir( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir.'/inline' ) ) {
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// /wp-content/cache/asset-cleanup/cache/(css|js)/item/inline/
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@mkdir( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir.'/inline', FS_CHMOD_DIR );
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}
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if ( ! is_file( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir.'/inline/index.php' ) ) {
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// /wp-content/cache/asset-cleanup/cache/(css|js)/item/inline/index.php
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FileSystem::filePutContents( $cacheDir . OptimizeCommon::$optimizedSingleFilesDir.'/inline/index.php', $emptyPhpFileContents );
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}
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$htAccessFilePath = dirname( $cacheDir ) . '/.htaccess';
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if ( ! is_file( $htAccessFilePath ) ) {
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// /wp-content/cache/asset-cleanup/.htaccess
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FileSystem::filePutContents( $htAccessFilePath, $htAccessContents );
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}
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if ( ! is_file( dirname( $cacheDir ) . '/index.php' ) ) {
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// /wp-content/cache/asset-cleanup/index.php
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FileSystem::filePutContents( dirname( $cacheDir ) . '/index.php', $emptyPhpFileContents );
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}
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}
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// Storage directory for JSON/TEXT files (information purpose)
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$storageDir = WP_CONTENT_DIR . OptimiseAssets\OptimizeCommon::getRelPathPluginCacheDir() . '_storage/';
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if ( ! is_dir($storageDir . OptimizeCommon::$optimizedSingleFilesDir) ) {
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@mkdir( $storageDir . OptimizeCommon::$optimizedSingleFilesDir, FS_CHMOD_DIR, true );
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}
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$siteStorageCache = $storageDir.'/'.str_replace(array('https://', 'http://', '//'), '', site_url());
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if ( ! is_dir($storageDir) ) {
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@mkdir( $siteStorageCache, FS_CHMOD_DIR, true );
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}
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}
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/**
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*
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*/
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public function adminInit()
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{
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if ( // If this condition does not match, do not make the extra DB calls to "options" table to save resources
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isset($_SERVER['HTTP_REFERER']) && strpos($_SERVER['HTTP_REFERER'], '/plugins.php') !== false &&
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get_transient(WPACU_PLUGIN_ID . '_redirect_after_activation') ) {
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// Remove it as only one redirect is needed (first time the plugin is activated)
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delete_transient(WPACU_PLUGIN_ID . '_redirect_after_activation');
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// Do the 'first activation time' redirection
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wp_redirect(admin_url('admin.php?page=' . WPACU_ADMIN_PAGE_ID_START));
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exit();
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}
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}
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/**
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* @param $links
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*
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* @return mixed
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*/
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public function addActionLinksInPluginsPage($links)
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{
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$links['getting_started'] = '<a href="admin.php?page=' . WPACU_PLUGIN_ID . '_getting_started">'.__('Getting Started', 'wp-asset-clean-up').'</a>';
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$links['settings'] = '<a href="admin.php?page=' . WPACU_PLUGIN_ID . '_settings">'.__('Settings', 'wp-asset-clean-up').'</a>';
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// [wpacu_lite]
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$allPlugins = get_plugins();
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// If the Pro version is not installed (active or not), show the upgrade link
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if (! array_key_exists('wp-asset-clean-up-pro/wpacu.php', $allPlugins)) {
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$links['go_pro'] = '<a target="_blank" style="font-weight: bold;" href="'.apply_filters('wpacu_go_pro_affiliate_link', WPACU_PLUGIN_GO_PRO_URL).'">'.__('Go Pro', 'wp-asset-clean-up').'</a>';
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}
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// [/wpacu_lite]
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return $links;
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}
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/**
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* Make a record when Asset CleanUp (Pro) is used for the first time (if it's not there already)
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*/
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public static function triggerFirstUsage()
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{
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Misc::addUpdateOption(WPACU_PLUGIN_ID . '_first_usage', time());
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}
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/**
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* This works like /?wpacu_no_load with a fundamental difference:
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* It needs to be triggered through a very early 'init' / 'setup_theme' action hook after all plugins are loaded, thus it can't be used in /early-triggers.php
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* e.g. in situations when the page is an AMP one, prevent any changes to the HTML source by Asset CleanUp (Pro)
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*
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* @param string $tagActionName
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* @param string $htmlSource
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*
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* @return bool
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*/
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public static function preventAnyFrontendOptimization($tagActionName = '', $htmlSource = '')
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{
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// Only relevant if all the plugins are already loaded
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// and in the front-end view
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if (! defined('WPACU_ALL_ACTIVE_PLUGINS_LOADED') || is_admin()) {
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return false;
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}
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// Perhaps the editor from "Pro" (theme.co) is on
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if (apply_filters('wpacu_prevent_any_frontend_optimization', false)) {
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return true;
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}
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// e.g. /amp/ - /amp? - /amp/? - /?amp or ending in /amp
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$isAmpInRequestUri = ( (isset($_SERVER['REQUEST_URI']) && (preg_match('/(\/amp$|\/amp\?)|(\/amp\/|\/amp\/\?)/', $_SERVER['REQUEST_URI'])))
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|| isset($_GET['amp']) );
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// Is it an AMP endpoint?
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if ( ($isAmpInRequestUri && Misc::isPluginActive('accelerated-mobile-pages/accelerated-mobile-pages.php')) // "AMP for WP – Accelerated Mobile Pages"
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|| ($isAmpInRequestUri && Misc::isPluginActive('amp/amp.php')) // "AMP – WordPress plugin"
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|| ((function_exists('is_wp_amp') && Misc::isPluginActive('wp-amp/wp-amp.php') && is_wp_amp())) // "WP AMP — Accelerated Mobile Pages for WordPress and WooCommerce" (Premium plugin)
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) {
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return true; // do not print anything on an AMP page
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}
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// Some pages are AMP but their URI does not end in /amp
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if ( ! defined('WPACU_DO_EXTRA_CHECKS_FOR_AMP') &&
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( Misc::isPluginActive('accelerated-mobile-pages/accelerated-mobile-pages.php')
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|| Misc::isPluginActive('amp/amp.php')
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|| Misc::isPluginActive('wp-amp/wp-amp.php') )
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) {
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define('WPACU_DO_EXTRA_CHECKS_FOR_AMP', true);
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}
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if ( isset($_GET['wpacu_clean_load']) ) {
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return true;
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}
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// $tagActionName needs to be different from 'parse_query' because is_singular() would trigger too soon and cause notice errors
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// Has the following page option set: "Do not apply any front-end optimization on this page (this includes any changes related to CSS/JS files)"
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if ($tagActionName !== 'parse_query' && MetaBoxes::hasNoFrontendOptimizationPageOption()) {
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return true;
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}
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// e.g. it could be JS content loaded dynamically such as /?wpml-app=ate-widget
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// in this case, any Asset CleanUp alteration of the content should be avoided
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// often, the code below is not reached as extra measures are taken before if well known plugins are used
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if ($htmlSource !== '') {
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$startsWithPassed = $endsWithPassed = false;
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// More common delimiters can be added with time
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// This is just an extra measure to prevent possible empty pages due to lots of memory used in case a possible JavaScript output is too large
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$startsWithAnyFromTheList = array(
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'/*!',
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'(function()'
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);
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$endsWithAnyFromTheList = array(
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');',
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')'
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);
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// Possible JS content
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foreach ($startsWithAnyFromTheList as $startsWithString) {
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if (substr(trim($htmlSource), 0, strlen($startsWithString)) === $startsWithString) {
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$startsWithPassed = true;
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break;
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}
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}
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if ($startsWithPassed) {
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foreach ($endsWithAnyFromTheList as $endsWithString) {
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if (substr(trim($htmlSource), -strlen($endsWithString)) === $endsWithString) {
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$endsWithPassed = true;
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break;
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}
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}
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}
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if ($startsWithPassed && $endsWithPassed) {
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return true;
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}
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}
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return false;
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}
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}
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