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Edit File : data.cls.php \| Size : 16.49 KB
<?php // phpcs:ignoreFile /** * The class to store and manage litespeed db data. * * @since 1.3.1 * @package LiteSpeed / namespace LiteSpeed; defined('WPINC') \|\| exit(); class Data extends Root { const LOG_TAG = '🚀'; private $_db_updater = array( '5.3-a5' => array( 'litespeed_update_5_3' ), '7.0-b26' => array( 'litespeed_update_7' ), '7.0.1-b1' => array( 'litespeed_update_7_0_1' ), ); private $_db_site_updater = array( // Example // '2.0' => array( // 'litespeed_update_site_2_0', // ), ); private $_url_file_types = array( 'css' => 1, 'js' => 2, 'ccss' => 3, 'ucss' => 4, ); const TB_IMG_OPTM = 'litespeed_img_optm'; const TB_IMG_OPTMING = 'litespeed_img_optming'; // working table const TB_AVATAR = 'litespeed_avatar'; const TB_CRAWLER = 'litespeed_crawler'; const TB_CRAWLER_BLACKLIST = 'litespeed_crawler_blacklist'; const TB_URL = 'litespeed_url'; const TB_URL_FILE = 'litespeed_url_file'; /* * Init * * @since 1.3.1 / public function __construct() { } /* * Correct table existence * * Call when activate -> update_confs() * Call when update_confs() * * @since 3.0 * @access public / public function correct_tb_existence() { // Gravatar if ($this->conf(Base::O_DISCUSS_AVATAR_CACHE)) { $this->tb_create('avatar'); } // Crawler if ($this->conf(Base::O_CRAWLER)) { $this->tb_create('crawler'); $this->tb_create('crawler_blacklist'); } // URL mapping $this->tb_create('url'); $this->tb_create('url_file'); // Image optm is a bit different. Only trigger creation when sending requests. Drop when destroying. } /* * Upgrade conf to latest format version from previous versions * * NOTE: Only for v3.0+ * * @since 3.0 * @access public / public function conf_upgrade( $ver ) { // Skip count check if `Use Primary Site Configurations` is on // Deprecated since v3.0 as network primary site didn't override the subsites conf yet // if ( ! is_main_site() && ! empty ( $this->_site_options[ self::NETWORK_O_USE_PRIMARY ] ) ) { // return; // } if ($this->_get_upgrade_lock()) { return; } $this->_set_upgrade_lock(true); require_once LSCWP_DIR . 'src/data.upgrade.func.php'; // Init log manually if ($this->conf(Base::O_DEBUG)) { $this->cls('Debug2')->init(); } foreach ($this->_db_updater as $k => $v) { if (version_compare($ver, $k, '<')) { // run each callback foreach ($v as $v2) { self::debug("Updating [ori_v] $ver \t[to] $k \t[func] $v2"); call_user_func($v2); } } } // Reload options $this->cls('Conf')->load_options(); $this->correct_tb_existence(); // Update related files $this->cls('Activation')->update_files(); // Update version to latest Conf::delete_option(Base::_VER); Conf::add_option(Base::_VER, Core::VER); self::debug('Updated version to ' . Core::VER); $this->_set_upgrade_lock(false); !defined('LSWCP_EMPTYCACHE') && define('LSWCP_EMPTYCACHE', true); // clear all sites caches Purge::purge_all(); return 'upgrade'; } /* * Upgrade site conf to latest format version from previous versions * * NOTE: Only for v3.0+ * * @since 3.0 * @access public / public function conf_site_upgrade( $ver ) { if ($this->_get_upgrade_lock()) { return; } $this->_set_upgrade_lock(true); require_once LSCWP_DIR . 'src/data.upgrade.func.php'; foreach ($this->_db_site_updater as $k => $v) { if (version_compare($ver, $k, '<')) { // run each callback foreach ($v as $v2) { self::debug("Updating site [ori_v] $ver \t[to] $k \t[func] $v2"); call_user_func($v2); } } } // Reload options $this->cls('Conf')->load_site_options(); Conf::delete_site_option(Base::_VER); Conf::add_site_option(Base::_VER, Core::VER); self::debug('Updated site_version to ' . Core::VER); $this->_set_upgrade_lock(false); !defined('LSWCP_EMPTYCACHE') && define('LSWCP_EMPTYCACHE', true); // clear all sites caches Purge::purge_all(); } /* * Check if upgrade script is running or not * * @since 3.0.1 / private function _get_upgrade_lock() { $is_upgrading = get_option('litespeed.data.upgrading'); if (!$is_upgrading) { $this->_set_upgrade_lock(false); // set option value to existed to avoid repeated db query next time } if ($is_upgrading && time() - $is_upgrading < 3600) { return $is_upgrading; } return false; } /* * Show the upgrading banner if upgrade script is running * * @since 3.0.1 / public function check_upgrading_msg() { $is_upgrading = $this->_get_upgrade_lock(); if (!$is_upgrading) { return; } Admin_Display::info( sprintf( __('The database has been upgrading in the background since %s. This message will disappear once upgrade is complete.', 'litespeed-cache'), '<code>' . Utility::readable_time($is_upgrading) . '</code>' ) . ' [LiteSpeed]', true ); } /* * Set lock for upgrade process * * @since 3.0.1 / private function _set_upgrade_lock( $lock ) { if (!$lock) { update_option('litespeed.data.upgrading', -1); } else { update_option('litespeed.data.upgrading', time()); } } /* * Get the table name * * @since 3.0 * @access public / public function tb( $tb ) { global $wpdb; switch ($tb) { case 'img_optm': return $wpdb->prefix . self::TB_IMG_OPTM; break; case 'img_optming': return $wpdb->prefix . self::TB_IMG_OPTMING; break; case 'avatar': return $wpdb->prefix . self::TB_AVATAR; break; case 'crawler': return $wpdb->prefix . self::TB_CRAWLER; break; case 'crawler_blacklist': return $wpdb->prefix . self::TB_CRAWLER_BLACKLIST; break; case 'url': return $wpdb->prefix . self::TB_URL; break; case 'url_file': return $wpdb->prefix . self::TB_URL_FILE; break; default: break; } } /* * Check if one table exists or not * * @since 3.0 * @access public / public function tb_exist( $tb ) { global $wpdb; $save_state = $wpdb->suppress_errors; $wpdb->suppress_errors(true); $describe = $wpdb->get_var('DESCRIBE `' . $this->tb($tb) . '`'); $wpdb->suppress_errors($save_state); return $describe !== null; } /* * Get data structure of one table * * @since 2.0 * @access private / private function _tb_structure( $tb ) { return File::read(LSCWP_DIR . 'src/data_structure/' . $tb . '.sql'); } /* * Create img optm table and sync data from wp_postmeta * * @since 3.0 * @access public / public function tb_create( $tb ) { global $wpdb; self::debug2('[Data] Checking table ' . $tb); // Check if table exists first if ($this->tb_exist($tb)) { self::debug2('[Data] Existed'); return; } self::debug('Creating ' . $tb); $sql = sprintf( 'CREATE TABLE IF NOT EXISTS `%1$s` (' . $this->_tb_structure($tb) . ') %2$s;', $this->tb($tb), $wpdb->get_charset_collate() // 'DEFAULT CHARSET=utf8' ); $res = $wpdb->query($sql); if ($res !== true) { self::debug('Warning! Creating table failed!', $sql); Admin_Display::error(Error::msg('failed_tb_creation', array( '<code>' . $tb . '</code>', '<code>' . $sql . '</code>' ))); } } /* * Drop table * * @since 3.0 * @access public / public function tb_del( $tb ) { global $wpdb; if (!$this->tb_exist($tb)) { return; } self::debug('Deleting table ' . $tb); $q = 'DROP TABLE IF EXISTS ' . $this->tb($tb); $wpdb->query($q); } /* * Drop generated tables * * @since 3.0 * @access public / public function tables_del() { $this->tb_del('avatar'); $this->tb_del('crawler'); $this->tb_del('crawler_blacklist'); $this->tb_del('url'); $this->tb_del('url_file'); // Deleting img_optm only can be done when destroy all optm images } /* * Keep table but clear all data * * @since 4.0 / public function table_truncate( $tb ) { global $wpdb; $q = 'TRUNCATE TABLE ' . $this->tb($tb); $wpdb->query($q); } /* * Clean certain type of url_file * * @since 4.0 / public function url_file_clean( $file_type ) { global $wpdb; if (!$this->tb_exist('url_file')) { return; } $type = $this->_url_file_types[$file_type]; $q = 'DELETE FROM ' . $this->tb('url_file') . ' WHERE `type` = %d'; $wpdb->query($wpdb->prepare($q, $type)); // Added to cleanup url table. See issue: https://wordpress.org/support/topic/wp_litespeed_url-1-1-gb-in-db-huge-big/ $wpdb->query( 'DELETE d FROM `' . $this->tb('url') . '` AS d LEFT JOIN `' . $this->tb('url_file') . '` AS f ON d.`id` = f.`url_id` WHERE f.`url_id` IS NULL' ); } /* * Generate filename based on URL, if content md5 existed, reuse existing file. * * @since 4.0 / public function save_url( $request_url, $vary, $file_type, $filecon_md5, $path, $mobile = false, $webp = false ) { global $wpdb; if (strlen($vary) > 32) { $vary = md5($vary); } $type = $this->_url_file_types[$file_type]; $tb_url = $this->tb('url'); $tb_url_file = $this->tb('url_file'); $q = "SELECT FROM `$tb_url` WHERE url=%s"; $url_row = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A); if (!$url_row) { $q = "INSERT INTO `$tb_url` SET url=%s"; $wpdb->query($wpdb->prepare($q, $request_url)); $url_id = $wpdb->insert_id; } else { $url_id = $url_row['id']; } $q = "SELECT * FROM `$tb_url_file` WHERE url_id=%d AND vary=%s AND type=%d AND expired=0"; $file_row = $wpdb->get_row($wpdb->prepare($q, array( $url_id, $vary, $type )), ARRAY_A); // Check if has previous file or not if ($file_row && $file_row['filename'] == $filecon_md5) { return; } // If the new $filecon_md5 is marked as expired by previous records, clear those records $q = "DELETE FROM `$tb_url_file` WHERE filename = %s AND expired > 0"; $wpdb->query($wpdb->prepare($q, $filecon_md5)); // Check if there is any other record used the same filename or not $q = "SELECT id FROM `$tb_url_file` WHERE filename = %s AND expired = 0 AND id != %d LIMIT 1"; if ($file_row && $wpdb->get_var($wpdb->prepare($q, array( $file_row['filename'], $file_row['id'] )))) { $q = "UPDATE `$tb_url_file` SET filename=%s WHERE id=%d"; $wpdb->query($wpdb->prepare($q, array( $filecon_md5, $file_row['id'] ))); return; } // New record needed $q = "INSERT INTO `$tb_url_file` SET url_id=%d, vary=%s, filename=%s, type=%d, mobile=%d, webp=%d, expired=0"; $wpdb->query($wpdb->prepare($q, array( $url_id, $vary, $filecon_md5, $type, $mobile ? 1 : 0, $webp ? 1 : 0 ))); // Mark existing rows as expired if ($file_row) { $q = "UPDATE `$tb_url_file` SET expired=%d WHERE id=%d"; $expired = time() + 86400 * apply_filters('litespeed_url_file_expired_days', 20); $wpdb->query($wpdb->prepare($q, array( $expired, $file_row['id'] ))); // Also check if has other files expired already to be deleted $q = "SELECT * FROM `$tb_url_file` WHERE url_id = %d AND expired BETWEEN 1 AND %d"; $q = $wpdb->prepare($q, array( $url_id, time() )); $list = $wpdb->get_results($q, ARRAY_A); if ($list) { foreach ($list as $v) { $file_to_del = $path . '/' . $v['filename'] . '.' . ($file_type == 'js' ? 'js' : 'css'); if (file_exists($file_to_del)) { // Safe to delete self::debug('Delete expired unused file: ' . $file_to_del); // Clear related lscache first to avoid cache copy of same URL w/ diff QS // Purge::add( Tag::TYPE_MIN . '.' . $file_row[ 'filename' ] . '.' . $file_type ); unlink($file_to_del); } } $q = "DELETE FROM `$tb_url_file` WHERE url_id = %d AND expired BETWEEN 1 AND %d"; $wpdb->query($wpdb->prepare($q, array( $url_id, time() ))); } } // Purge this URL to avoid cache copy of same URL w/ diff QS // $this->cls( 'Purge' )->purge_url( Utility::make_relative( $request_url ) ?: '/', true, true ); } /** * Load CCSS related file * * @since 4.0 / public function load_url_file( $request_url, $vary, $file_type ) { global $wpdb; if (strlen($vary) > 32) { $vary = md5($vary); } $type = $this->_url_file_types[$file_type]; self::debug2('load url file: ' . $request_url); $tb_url = $this->tb('url'); $q = "SELECT FROM `$tb_url` WHERE url=%s"; $url_row = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A); if (!$url_row) { return false; } $url_id = $url_row['id']; $tb_url_file = $this->tb('url_file'); $q = "SELECT * FROM `$tb_url_file` WHERE url_id=%d AND vary=%s AND type=%d AND expired=0"; $file_row = $wpdb->get_row($wpdb->prepare($q, array( $url_id, $vary, $type )), ARRAY_A); if (!$file_row) { return false; } return $file_row['filename']; } /** * Mark all entries of one URL to expired * * @since 4.5 / public function mark_as_expired( $request_url, $auto_q = false ) { global $wpdb; $tb_url = $this->tb('url'); self::debug('Try to mark as expired: ' . $request_url); $q = "SELECT FROM `$tb_url` WHERE url=%s"; $url_row = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A); if (!$url_row) { return; } self::debug('Mark url_id=' . $url_row['id'] . ' as expired'); $tb_url_file = $this->tb('url_file'); $existing_url_files = array(); if ($auto_q) { $q = "SELECT a., b.url FROM `$tb_url_file` a LEFT JOIN `$tb_url` b ON b.id=a.url_id WHERE a.url_id=%d AND a.type=4 AND a.expired=0"; $q = $wpdb->prepare($q, $url_row['id']); $existing_url_files = $wpdb->get_results($q, ARRAY_A); } $q = "UPDATE `$tb_url_file` SET expired=%d WHERE url_id=%d AND type=4 AND expired=0"; $expired = time() + 86400 apply_filters('litespeed_url_file_expired_days', 20); $wpdb->query($wpdb->prepare($q, array( $expired, $url_row['id'] ))); return $existing_url_files; } /** * Get list from `data/css_excludes.txt` * * @since 3.6 / public function load_css_exc( $list ) { $data = $this->_load_per_line('css_excludes.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/ccss_whitelist.txt` * * @since 7.1 / public function load_ccss_whitelist( $list ) { $data = $this->_load_per_line('ccss_whitelist.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/ucss_whitelist.txt` * * @since 4.0 / public function load_ucss_whitelist( $list ) { $data = $this->_load_per_line('ucss_whitelist.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/js_excludes.txt` * * @since 3.5 / public function load_js_exc( $list ) { $data = $this->_load_per_line('js_excludes.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/js_defer_excludes.txt` * * @since 3.6 / public function load_js_defer_exc( $list ) { $data = $this->_load_per_line('js_defer_excludes.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/optm_uri_exc.txt` * * @since 5.4 / public function load_optm_uri_exc( $list ) { $data = $this->_load_per_line('optm_uri_exc.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/esi.nonces.txt` * * @since 3.5 / public function load_esi_nonces( $list ) { $data = $this->_load_per_line('esi.nonces.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Get list from `data/cache_nocacheable.txt` * * @since 6.3.0.1 / public function load_cache_nocacheable( $list ) { $data = $this->_load_per_line('cache_nocacheable.txt'); if ($data) { $list = array_unique(array_filter(array_merge($list, $data))); } return $list; } /* * Load file per line * * Support two kinds of comments: * 1. `# this is comment` * 2. `##this is comment` * * @since 3.5 */ private function _load_per_line( $file ) { $data = File::read(LSCWP_DIR . 'data/' . $file); $data = explode(PHP_EOL, $data); $list = array(); foreach ($data as $v) { // Drop two kinds of comments if (strpos($v, '##') !== false) { $v = trim(substr($v, 0, strpos($v, '##'))); } if (strpos($v, '# ') !== false) { $v = trim(substr($v, 0, strpos($v, '# '))); } if (!$v) { continue; } $list[] = $v; } return $list; } } Back

Edit File : data.cls.php | Size : 16.49 KB

<?php
// phpcs:ignoreFile

/**
 * The class to store and manage litespeed db data.
 *
 * @since       1.3.1
 * @package     LiteSpeed
 */

namespace LiteSpeed;

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

class Data extends Root {

const LOG_TAG = '🚀';

private $_db_updater = array(
		'5.3-a5' => array( 'litespeed_update_5_3' ),
		'7.0-b26' => array( 'litespeed_update_7' ),
		'7.0.1-b1' => array( 'litespeed_update_7_0_1' ),
	);

private $_db_site_updater = array(
		// Example
		// '2.0'    => array(
		// 'litespeed_update_site_2_0',
		// ),
	);

private $_url_file_types = array(
		'css' => 1,
		'js' => 2,
		'ccss' => 3,
		'ucss' => 4,
	);

const TB_IMG_OPTM          = 'litespeed_img_optm';
	const TB_IMG_OPTMING       = 'litespeed_img_optming'; // working table
	const TB_AVATAR            = 'litespeed_avatar';
	const TB_CRAWLER           = 'litespeed_crawler';
	const TB_CRAWLER_BLACKLIST = 'litespeed_crawler_blacklist';
	const TB_URL               = 'litespeed_url';
	const TB_URL_FILE          = 'litespeed_url_file';

/**
	 * Init
	 *
	 * @since  1.3.1
	 */
	public function __construct() {
	}

/**
	 * Correct table existence
	 *
	 * Call when activate -> update_confs()
	 * Call when update_confs()
	 *
	 * @since  3.0
	 * @access public
	 */
	public function correct_tb_existence() {
		// Gravatar
		if ($this->conf(Base::O_DISCUSS_AVATAR_CACHE)) {
			$this->tb_create('avatar');
		}

// Crawler
		if ($this->conf(Base::O_CRAWLER)) {
			$this->tb_create('crawler');
			$this->tb_create('crawler_blacklist');
		}

// URL mapping
		$this->tb_create('url');
		$this->tb_create('url_file');

// Image optm is a bit different. Only trigger creation when sending requests. Drop when destroying.
	}

/**
	 * Upgrade conf to latest format version from previous versions
	 *
	 * NOTE: Only for v3.0+
	 *
	 * @since 3.0
	 * @access public
	 */
	public function conf_upgrade( $ver ) {
		// Skip count check if `Use Primary Site Configurations` is on
		// Deprecated since v3.0 as network primary site didn't override the subsites conf yet
		// if ( ! is_main_site() && ! empty ( $this->_site_options[ self::NETWORK_O_USE_PRIMARY ] ) ) {
		// return;
		// }

if ($this->_get_upgrade_lock()) {
			return;
		}

$this->_set_upgrade_lock(true);

require_once LSCWP_DIR . 'src/data.upgrade.func.php';

// Init log manually
		if ($this->conf(Base::O_DEBUG)) {
			$this->cls('Debug2')->init();
		}

foreach ($this->_db_updater as $k => $v) {
			if (version_compare($ver, $k, '<')) {
				// run each callback
				foreach ($v as $v2) {
					self::debug("Updating [ori_v] $ver \t[to] $k \t[func] $v2");
					call_user_func($v2);
				}
			}
		}

// Reload options
		$this->cls('Conf')->load_options();

$this->correct_tb_existence();

// Update related files
		$this->cls('Activation')->update_files();

// Update version to latest
		Conf::delete_option(Base::_VER);
		Conf::add_option(Base::_VER, Core::VER);

self::debug('Updated version to ' . Core::VER);

$this->_set_upgrade_lock(false);

!defined('LSWCP_EMPTYCACHE') && define('LSWCP_EMPTYCACHE', true); // clear all sites caches
		Purge::purge_all();

return 'upgrade';
	}

/**
	 * Upgrade site conf to latest format version from previous versions
	 *
	 * NOTE: Only for v3.0+
	 *
	 * @since 3.0
	 * @access public
	 */
	public function conf_site_upgrade( $ver ) {
		if ($this->_get_upgrade_lock()) {
			return;
		}

$this->_set_upgrade_lock(true);

require_once LSCWP_DIR . 'src/data.upgrade.func.php';

foreach ($this->_db_site_updater as $k => $v) {
			if (version_compare($ver, $k, '<')) {
				// run each callback
				foreach ($v as $v2) {
					self::debug("Updating site [ori_v] $ver \t[to] $k \t[func] $v2");
					call_user_func($v2);
				}
			}
		}

// Reload options
		$this->cls('Conf')->load_site_options();

Conf::delete_site_option(Base::_VER);
		Conf::add_site_option(Base::_VER, Core::VER);

self::debug('Updated site_version to ' . Core::VER);

$this->_set_upgrade_lock(false);

!defined('LSWCP_EMPTYCACHE') && define('LSWCP_EMPTYCACHE', true); // clear all sites caches
		Purge::purge_all();
	}

/**
	 * Check if upgrade script is running or not
	 *
	 * @since 3.0.1
	 */
	private function _get_upgrade_lock() {
		$is_upgrading = get_option('litespeed.data.upgrading');
		if (!$is_upgrading) {
			$this->_set_upgrade_lock(false); // set option value to existed to avoid repeated db query next time
		}
		if ($is_upgrading && time() - $is_upgrading < 3600) {
			return $is_upgrading;
		}

return false;
	}

/**
	 * Show the upgrading banner if upgrade script is running
	 *
	 * @since 3.0.1
	 */
	public function check_upgrading_msg() {
		$is_upgrading = $this->_get_upgrade_lock();
		if (!$is_upgrading) {
			return;
		}

Admin_Display::info(
			sprintf(
				__('The database has been upgrading in the background since %s. This message will disappear once upgrade is complete.', 'litespeed-cache'),
				'<code>' . Utility::readable_time($is_upgrading) . '</code>'
			) . ' [LiteSpeed]',
			true
		);
	}

/**
	 * Set lock for upgrade process
	 *
	 * @since 3.0.1
	 */
	private function _set_upgrade_lock( $lock ) {
		if (!$lock) {
			update_option('litespeed.data.upgrading', -1);
		} else {
			update_option('litespeed.data.upgrading', time());
		}
	}

/**
	 * Get the table name
	 *
	 * @since  3.0
	 * @access public
	 */
	public function tb( $tb ) {
		global $wpdb;

switch ($tb) {
			case 'img_optm':
				return $wpdb->prefix . self::TB_IMG_OPTM;
				break;

case 'img_optming':
				return $wpdb->prefix . self::TB_IMG_OPTMING;
				break;

case 'avatar':
				return $wpdb->prefix . self::TB_AVATAR;
				break;

case 'crawler':
				return $wpdb->prefix . self::TB_CRAWLER;
				break;

case 'crawler_blacklist':
				return $wpdb->prefix . self::TB_CRAWLER_BLACKLIST;
				break;

case 'url':
				return $wpdb->prefix . self::TB_URL;
				break;

case 'url_file':
				return $wpdb->prefix . self::TB_URL_FILE;
				break;

default:
				break;
		}
	}

/**
	 * Check if one table exists or not
	 *
	 * @since  3.0
	 * @access public
	 */
	public function tb_exist( $tb ) {
		global $wpdb;

$save_state = $wpdb->suppress_errors;
		$wpdb->suppress_errors(true);
		$describe = $wpdb->get_var('DESCRIBE `' . $this->tb($tb) . '`');
		$wpdb->suppress_errors($save_state);

return $describe !== null;
	}

/**
	 * Get data structure of one table
	 *
	 * @since  2.0
	 * @access private
	 */
	private function _tb_structure( $tb ) {
		return File::read(LSCWP_DIR . 'src/data_structure/' . $tb . '.sql');
	}

/**
	 * Create img optm table and sync data from wp_postmeta
	 *
	 * @since  3.0
	 * @access public
	 */
	public function tb_create( $tb ) {
		global $wpdb;

self::debug2('[Data] Checking table ' . $tb);

// Check if table exists first
		if ($this->tb_exist($tb)) {
			self::debug2('[Data] Existed');
			return;
		}

self::debug('Creating ' . $tb);

$sql = sprintf(
			'CREATE TABLE IF NOT EXISTS `%1$s` (' . $this->_tb_structure($tb) . ') %2$s;',
			$this->tb($tb),
			$wpdb->get_charset_collate() // 'DEFAULT CHARSET=utf8'
		);

$res = $wpdb->query($sql);
		if ($res !== true) {
			self::debug('Warning! Creating table failed!', $sql);
			Admin_Display::error(Error::msg('failed_tb_creation', array( '<code>' . $tb . '</code>', '<code>' . $sql . '</code>' )));
		}
	}

/**
	 * Drop table
	 *
	 * @since  3.0
	 * @access public
	 */
	public function tb_del( $tb ) {
		global $wpdb;

if (!$this->tb_exist($tb)) {
			return;
		}

self::debug('Deleting table ' . $tb);

$q = 'DROP TABLE IF EXISTS ' . $this->tb($tb);
		$wpdb->query($q);
	}

/**
	 * Drop generated tables
	 *
	 * @since  3.0
	 * @access public
	 */
	public function tables_del() {
		$this->tb_del('avatar');
		$this->tb_del('crawler');
		$this->tb_del('crawler_blacklist');
		$this->tb_del('url');
		$this->tb_del('url_file');

// Deleting img_optm only can be done when destroy all optm images
	}

/**
	 * Keep table but clear all data
	 *
	 * @since  4.0
	 */
	public function table_truncate( $tb ) {
		global $wpdb;
		$q = 'TRUNCATE TABLE ' . $this->tb($tb);
		$wpdb->query($q);
	}

/**
	 * Clean certain type of url_file
	 *
	 * @since  4.0
	 */
	public function url_file_clean( $file_type ) {
		global $wpdb;

if (!$this->tb_exist('url_file')) {
			return;
		}

$type = $this->_url_file_types[$file_type];
		$q    = 'DELETE FROM ' . $this->tb('url_file') . ' WHERE `type` = %d';
		$wpdb->query($wpdb->prepare($q, $type));

// Added to cleanup url table. See issue: https://wordpress.org/support/topic/wp_litespeed_url-1-1-gb-in-db-huge-big/
		$wpdb->query(
			'DELETE d
			FROM `' .
				$this->tb('url') .
				'` AS d
			LEFT JOIN `' .
				$this->tb('url_file') .
				'` AS f ON d.`id` = f.`url_id`
			WHERE f.`url_id` IS NULL'
		);
	}

/**
	 * Generate filename based on URL, if content md5 existed, reuse existing file.
	 *
	 * @since  4.0
	 */
	public function save_url( $request_url, $vary, $file_type, $filecon_md5, $path, $mobile = false, $webp = false ) {
		global $wpdb;

if (strlen($vary) > 32) {
			$vary = md5($vary);
		}

$type = $this->_url_file_types[$file_type];

$tb_url      = $this->tb('url');
		$tb_url_file = $this->tb('url_file');
		$q           = "SELECT * FROM `$tb_url` WHERE url=%s";
		$url_row     = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A);
		if (!$url_row) {
			$q = "INSERT INTO `$tb_url` SET url=%s";
			$wpdb->query($wpdb->prepare($q, $request_url));
			$url_id = $wpdb->insert_id;
		} else {
			$url_id = $url_row['id'];
		}

$q        = "SELECT * FROM `$tb_url_file` WHERE url_id=%d AND vary=%s AND type=%d AND expired=0";
		$file_row = $wpdb->get_row($wpdb->prepare($q, array( $url_id, $vary, $type )), ARRAY_A);

// Check if has previous file or not
		if ($file_row && $file_row['filename'] == $filecon_md5) {
			return;
		}

// If the new $filecon_md5 is marked as expired by previous records, clear those records
		$q = "DELETE FROM `$tb_url_file` WHERE filename = %s AND expired > 0";
		$wpdb->query($wpdb->prepare($q, $filecon_md5));

// Check if there is any other record used the same filename or not
		$q = "SELECT id FROM `$tb_url_file` WHERE filename = %s AND expired = 0 AND id != %d LIMIT 1";
		if ($file_row && $wpdb->get_var($wpdb->prepare($q, array( $file_row['filename'], $file_row['id'] )))) {
			$q = "UPDATE `$tb_url_file` SET filename=%s WHERE id=%d";
			$wpdb->query($wpdb->prepare($q, array( $filecon_md5, $file_row['id'] )));
			return;
		}

// New record needed
		$q = "INSERT INTO `$tb_url_file` SET url_id=%d, vary=%s, filename=%s, type=%d, mobile=%d, webp=%d, expired=0";
		$wpdb->query($wpdb->prepare($q, array( $url_id, $vary, $filecon_md5, $type, $mobile ? 1 : 0, $webp ? 1 : 0 )));

// Mark existing rows as expired
		if ($file_row) {
			$q       = "UPDATE `$tb_url_file` SET expired=%d WHERE id=%d";
			$expired = time() + 86400 * apply_filters('litespeed_url_file_expired_days', 20);
			$wpdb->query($wpdb->prepare($q, array( $expired, $file_row['id'] )));

// Also check if has other files expired already to be deleted
			$q    = "SELECT * FROM `$tb_url_file` WHERE url_id = %d AND expired BETWEEN 1 AND %d";
			$q    = $wpdb->prepare($q, array( $url_id, time() ));
			$list = $wpdb->get_results($q, ARRAY_A);
			if ($list) {
				foreach ($list as $v) {
					$file_to_del = $path . '/' . $v['filename'] . '.' . ($file_type == 'js' ? 'js' : 'css');
					if (file_exists($file_to_del)) {
						// Safe to delete
						self::debug('Delete expired unused file: ' . $file_to_del);

// Clear related lscache first to avoid cache copy of same URL w/ diff QS
						// Purge::add( Tag::TYPE_MIN . '.' . $file_row[ 'filename' ] . '.' . $file_type );

unlink($file_to_del);
					}
				}
				$q = "DELETE FROM `$tb_url_file` WHERE url_id = %d AND expired BETWEEN 1 AND %d";
				$wpdb->query($wpdb->prepare($q, array( $url_id, time() )));
			}
		}

// Purge this URL to avoid cache copy of same URL w/ diff QS
		// $this->cls( 'Purge' )->purge_url( Utility::make_relative( $request_url ) ?: '/', true, true );
	}

/**
	 * Load CCSS related file
	 *
	 * @since  4.0
	 */
	public function load_url_file( $request_url, $vary, $file_type ) {
		global $wpdb;

if (strlen($vary) > 32) {
			$vary = md5($vary);
		}

$type = $this->_url_file_types[$file_type];

self::debug2('load url file: ' . $request_url);

$tb_url  = $this->tb('url');
		$q       = "SELECT * FROM `$tb_url` WHERE url=%s";
		$url_row = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A);
		if (!$url_row) {
			return false;
		}

$url_id = $url_row['id'];

$tb_url_file = $this->tb('url_file');
		$q           = "SELECT * FROM `$tb_url_file` WHERE url_id=%d AND vary=%s AND type=%d AND expired=0";
		$file_row    = $wpdb->get_row($wpdb->prepare($q, array( $url_id, $vary, $type )), ARRAY_A);
		if (!$file_row) {
			return false;
		}

return $file_row['filename'];
	}

/**
	 * Mark all entries of one URL to expired
	 *
	 * @since 4.5
	 */
	public function mark_as_expired( $request_url, $auto_q = false ) {
		global $wpdb;
		$tb_url = $this->tb('url');

self::debug('Try to mark as expired: ' . $request_url);
		$q       = "SELECT * FROM `$tb_url` WHERE url=%s";
		$url_row = $wpdb->get_row($wpdb->prepare($q, $request_url), ARRAY_A);
		if (!$url_row) {
			return;
		}

self::debug('Mark url_id=' . $url_row['id'] . ' as expired');

$tb_url_file = $this->tb('url_file');

$existing_url_files = array();
		if ($auto_q) {
			$q                  = "SELECT a.*, b.url FROM `$tb_url_file` a LEFT JOIN `$tb_url` b ON b.id=a.url_id WHERE a.url_id=%d AND a.type=4 AND a.expired=0";
			$q                  = $wpdb->prepare($q, $url_row['id']);
			$existing_url_files = $wpdb->get_results($q, ARRAY_A);
		}
		$q       = "UPDATE `$tb_url_file` SET expired=%d WHERE url_id=%d AND type=4 AND expired=0";
		$expired = time() + 86400 * apply_filters('litespeed_url_file_expired_days', 20);
		$wpdb->query($wpdb->prepare($q, array( $expired, $url_row['id'] )));

return $existing_url_files;
	}

/**
	 * Get list from `data/css_excludes.txt`
	 *
	 * @since  3.6
	 */
	public function load_css_exc( $list ) {
		$data = $this->_load_per_line('css_excludes.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/ccss_whitelist.txt`
	 *
	 * @since  7.1
	 */
	public function load_ccss_whitelist( $list ) {
		$data = $this->_load_per_line('ccss_whitelist.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/ucss_whitelist.txt`
	 *
	 * @since  4.0
	 */
	public function load_ucss_whitelist( $list ) {
		$data = $this->_load_per_line('ucss_whitelist.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/js_excludes.txt`
	 *
	 * @since  3.5
	 */
	public function load_js_exc( $list ) {
		$data = $this->_load_per_line('js_excludes.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/js_defer_excludes.txt`
	 *
	 * @since  3.6
	 */
	public function load_js_defer_exc( $list ) {
		$data = $this->_load_per_line('js_defer_excludes.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/optm_uri_exc.txt`
	 *
	 * @since  5.4
	 */
	public function load_optm_uri_exc( $list ) {
		$data = $this->_load_per_line('optm_uri_exc.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/esi.nonces.txt`
	 *
	 * @since  3.5
	 */
	public function load_esi_nonces( $list ) {
		$data = $this->_load_per_line('esi.nonces.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Get list from `data/cache_nocacheable.txt`
	 *
	 * @since  6.3.0.1
	 */
	public function load_cache_nocacheable( $list ) {
		$data = $this->_load_per_line('cache_nocacheable.txt');
		if ($data) {
			$list = array_unique(array_filter(array_merge($list, $data)));
		}

return $list;
	}

/**
	 * Load file per line
	 *
	 * Support two kinds of comments:
	 *      1. `# this is comment`
	 *      2. `##this is comment`
	 *
	 * @since  3.5
	 */
	private function _load_per_line( $file ) {
		$data = File::read(LSCWP_DIR . 'data/' . $file);
		$data = explode(PHP_EOL, $data);
		$list = array();
		foreach ($data as $v) {
			// Drop two kinds of comments
			if (strpos($v, '##') !== false) {
				$v = trim(substr($v, 0, strpos($v, '##')));
			}
			if (strpos($v, '# ') !== false) {
				$v = trim(substr($v, 0, strpos($v, '# ')));
			}

if (!$v) {
				continue;
			}

$list[] = $v;
		}

return $list;
	}
}

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