C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// */ namespace LiteSpeed; defined( 'WPINC' ) || exit; class Object_Cache { protected static $_instance; private $_oc_data_file; private $_conn; private $_cfg_enabled; private $_cfg_method; private $_cfg_host; private $_cfg_port; private $_cfg_persistent; private $_cfg_admin; private $_cfg_transients; private $_cfg_db; private $_cfg_user; private $_cfg_pswd; private $_default_life = 360; private $_oc_driver = 'Memcached'; // Redis or Memcached private $_global_groups; private $_non_persistent_groups; /** * Init * * NOTE: this class may be included without initialized core * * @since 1.8 * @access protected */ protected function __construct( $cfg = false ) { defined( 'LSCWP_LOG' ) && Debug2::debug2( '[Object] init' ); $this->_oc_data_file = WP_CONTENT_DIR . '/.object-cache.ini'; if ( $cfg ) { if ( ! is_array( $cfg[ Base::O_OBJECT_GLOBAL_GROUPS ] ) ) { $cfg[ Base::O_OBJECT_GLOBAL_GROUPS ] = explode( "\n", $cfg[ Base::O_OBJECT_GLOBAL_GROUPS ] ); } if ( ! is_array( $cfg[ Base::O_OBJECT_NON_PERSISTENT_GROUPS ] ) ) { $cfg[ Base::O_OBJECT_NON_PERSISTENT_GROUPS ] = explode( "\n", $cfg[ Base::O_OBJECT_NON_PERSISTENT_GROUPS ] ); } $this->_cfg_method = $cfg[ Base::O_OBJECT_KIND ] ? true : false; $this->_cfg_host = $cfg[ Base::O_OBJECT_HOST ]; $this->_cfg_port = $cfg[ Base::O_OBJECT_PORT ]; $this->_cfg_life = $cfg[ Base::O_OBJECT_LIFE ]; $this->_cfg_persistent = $cfg[ Base::O_OBJECT_PERSISTENT ]; $this->_cfg_admin = $cfg[ Base::O_OBJECT_ADMIN ]; $this->_cfg_transients = $cfg[ Base::O_OBJECT_TRANSIENTS ]; $this->_cfg_db = $cfg[ Base::O_OBJECT_DB_ID ]; $this->_cfg_user = $cfg[ Base::O_OBJECT_USER ]; $this->_cfg_pswd = $cfg[ Base::O_OBJECT_PSWD ]; $this->_global_groups = $cfg[ Base::O_OBJECT_GLOBAL_GROUPS ]; $this->_non_persistent_groups = $cfg[ Base::O_OBJECT_NON_PERSISTENT_GROUPS ]; if ( $this->_cfg_method ) { $this->_oc_driver = 'Redis'; } $this->_cfg_enabled = $cfg[ Base::O_OBJECT ] && class_exists( $this->_oc_driver ) && $this->_cfg_host; defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] init with cfg result : ', $this->_cfg_enabled ); } elseif ( class_exists( __NAMESPACE__ . '\Core' ) ) { $this->_cfg_method = Conf::val( Base::O_OBJECT_KIND ) ? true : false; $this->_cfg_host = Conf::val( Base::O_OBJECT_HOST ); $this->_cfg_port = Conf::val( Base::O_OBJECT_PORT ); $this->_cfg_life = Conf::val( Base::O_OBJECT_LIFE ); $this->_cfg_persistent = Conf::val( Base::O_OBJECT_PERSISTENT ); $this->_cfg_admin = Conf::val( Base::O_OBJECT_ADMIN ); $this->_cfg_transients = Conf::val( Base::O_OBJECT_TRANSIENTS ); $this->_cfg_db = Conf::val( Base::O_OBJECT_DB_ID ); $this->_cfg_user = Conf::val( Base::O_OBJECT_USER ); $this->_cfg_pswd = Conf::val( Base::O_OBJECT_PSWD ); $this->_global_groups = Conf::val( Base::O_OBJECT_GLOBAL_GROUPS ); $this->_non_persistent_groups = Conf::val( Base::O_OBJECT_NON_PERSISTENT_GROUPS ); if ( $this->_cfg_method ) { $this->_oc_driver = 'Redis'; } $this->_cfg_enabled = Conf::val( Base::O_OBJECT ) && class_exists( $this->_oc_driver ) && $this->_cfg_host; } elseif ( file_exists( $this->_oc_data_file ) ) { // Get cfg from oc_data_file $cfg = parse_ini_file( $this->_oc_data_file, true ); $this->_cfg_method = ! empty( $cfg[ 'object_cache' ][ 'method' ] ) ? $cfg[ 'object_cache' ][ 'method' ] : false; $this->_cfg_host = $cfg[ 'object_cache' ][ 'host' ]; $this->_cfg_port = $cfg[ 'object_cache' ][ 'port' ]; $this->_cfg_life = ! empty( $cfg[ 'object_cache' ][ 'life' ] ) ? $cfg[ 'object_cache' ][ 'life' ] : $this->_default_life; $this->_cfg_persistent = ! empty( $cfg[ 'object_cache' ][ 'persistent' ] ) ? $cfg[ 'object_cache' ][ 'persistent' ] : false; $this->_cfg_admin = ! empty( $cfg[ 'object_cache' ][ 'cache_admin' ] ) ? $cfg[ 'object_cache' ][ 'cache_admin' ] : false; $this->_cfg_transients = ! empty( $cfg[ 'object_cache' ][ 'cache_transients' ] ) ? $cfg[ 'object_cache' ][ 'cache_transients' ] : false; $this->_cfg_db = ! empty( $cfg[ 'object_cache' ][ 'db' ] ) ? $cfg[ 'object_cache' ][ 'db' ] : 0; $this->_cfg_user = ! empty( $cfg[ 'object_cache' ][ 'user' ] ) ? $cfg[ 'object_cache' ][ 'user' ] : ''; $this->_cfg_pswd = ! empty( $cfg[ 'object_cache' ][ 'pswd' ] ) ? $cfg[ 'object_cache' ][ 'pswd' ] : ''; $this->_global_groups = ! empty( $cfg[ 'object_cache' ][ 'global_groups' ] ) ? explode( ',', $cfg[ 'object_cache' ][ 'global_groups' ] ) : array(); $this->_non_persistent_groups = ! empty( $cfg[ 'object_cache' ][ 'non_persistent_groups' ] ) ? explode( ',', $cfg[ 'object_cache' ][ 'non_persistent_groups' ] ) : array(); if ( $this->_cfg_method ) { $this->_oc_driver = 'Redis'; } $this->_cfg_enabled = class_exists( $this->_oc_driver ) && $this->_cfg_host; } else { $this->_cfg_enabled = false; } } /** * Get `Store Transients` setting value * * @since 1.8.3 * @access public */ public function store_transients( $group ) { return $this->_cfg_transients && $this->_is_transients_group( $group ); } /** * Check if the group belongs to transients or not * * @since 1.8.3 * @access private */ private function _is_transients_group( $group ) { return in_array( $group, array( 'transient', 'site-transient' ) ); } /** * Update WP object cache file config * * @since 1.8 * @access public */ public function update_file( $options ) { $changed = false; // Update data file $data = "[object_cache]" . "\nmethod = " . $options[ Base::O_OBJECT_KIND ] . "\nhost = " . $options[ Base::O_OBJECT_HOST ] . "\nport = " . (int) $options[ Base::O_OBJECT_PORT ] . "\nlife = " . $options[ Base::O_OBJECT_LIFE ] . "\nuser = '" . $options[ Base::O_OBJECT_USER ] . "'" . "\npswd = '" . $options[ Base::O_OBJECT_PSWD ] . "'" . "\ndb = " . (int) $options[ Base::O_OBJECT_DB_ID ] . "\npersistent = " . ( $options[ Base::O_OBJECT_PERSISTENT ] ? 1 : 0 ) . "\ncache_admin = " . ( $options[ Base::O_OBJECT_ADMIN ] ? 1 : 0 ) . "\ncache_transients = " . ( $options[ Base::O_OBJECT_TRANSIENTS ] ? 1 : 0 ) . "\nglobal_groups = " . implode( ',', $options[ Base::O_OBJECT_GLOBAL_GROUPS ] ) . "\nnon_persistent_groups = " . implode( ',', $options[ Base::O_OBJECT_NON_PERSISTENT_GROUPS ] ) ; $old_data = File::read( $this->_oc_data_file ); if ( $old_data != $data ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Settings] Update .object_cache.ini and flush object cache' ); File::save( $this->_oc_data_file, $data ); $changed = true; } // NOTE: When included in oc.php, `LSCWP_DIR` will show undefined, so this must be assigned/generated when used $_oc_ori_file = LSCWP_DIR . 'lib/object-cache.php'; $_oc_wp_file = WP_CONTENT_DIR . '/object-cache.php'; // Update cls file if ( ! file_exists( $_oc_wp_file ) || md5_file( $_oc_wp_file ) !== md5_file( $_oc_ori_file ) ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] copying object-cache.php file to ' . $_oc_wp_file ); copy( $_oc_ori_file, $_oc_wp_file ); $changed = true; } /** * Clear object cache */ if ( $changed ) { $this->_reconnect( $options ); } } /** * Remove object cache file * * @since 1.8.2 * @access public */ public function del_file() { // NOTE: When included in oc.php, `LSCWP_DIR` will show undefined, so this must be assigned/generated when used $_oc_ori_file = LSCWP_DIR . 'lib/object-cache.php'; $_oc_wp_file = WP_CONTENT_DIR . '/object-cache.php'; if ( file_exists( $_oc_wp_file ) && md5_file( $_oc_wp_file ) === md5_file( $_oc_ori_file ) ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] removing ' . $_oc_wp_file ); unlink( $_oc_wp_file ); } if ( file_exists( $this->_oc_data_file ) ) { Debug2::debug( '[Object] Removing ' . $this->_oc_data_file ); unlink( $this->_oc_data_file ); } } /** * Try to build connection * * @since 1.8 * @access public */ public function test_connection() { return $this->_connect(); } /** * Force to connect with this setting * * @since 1.8 * @access private */ private function _reconnect( $cfg ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Reconnecting' ); // error_log( 'Object: reconnect !' ); if ( isset( $this->_conn ) ) { // error_log( 'Object: Quiting existing connection!' ); defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Quiting existing connection' ); $this->flush(); $this->_conn = null; self::$_instance = null; } self::$_instance = new self( $cfg ); self::$_instance->_connect(); if ( isset( self::$_instance->_conn ) ) { self::$_instance->flush(); } } /** * Connect to Memcached/Redis server * * @since 1.8 * @access private */ private function _connect() { if ( isset( $this->_conn ) ) { // error_log( 'Object: _connected' ); return true; } if ( ! class_exists( $this->_oc_driver ) || ! $this->_cfg_host ) { return null; } if ( defined( 'LITESPEED_OC_FAILURE' ) ) { return false; } defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] connecting to ' . $this->_cfg_host . ':' . $this->_cfg_port ); $failed = false; /** * Connect to Redis * * @since 1.8.1 * @see https://github.com/phpredis/phpredis/#example-1 */ if ( $this->_oc_driver == 'Redis' ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Init ' . $this->_oc_driver . ' connection' ); set_error_handler( 'litespeed_exception_handler' ); try { $this->_conn = new \Redis(); // error_log( 'Object: _connect Redis' ); if ( $this->_cfg_persistent ) { if ( $this->_cfg_port ) { $this->_conn->pconnect( $this->_cfg_host, $this->_cfg_port ); } else { $this->_conn->pconnect( $this->_cfg_host ); } } else { if ( $this->_cfg_port ) { $this->_conn->connect( $this->_cfg_host, $this->_cfg_port ); } else { $this->_conn->connect( $this->_cfg_host ); } } if ( $this->_cfg_pswd ) { $this->_conn->auth( $this->_cfg_pswd ); } if ( $this->_cfg_db ) { $this->_conn->select( $this->_cfg_db ); } $res = $this->_conn->ping(); if ( $res != '+PONG' ) { $failed = true; } } catch ( \Exception $e ) { error_log( $e->getMessage() ); $failed = true; } catch ( \ErrorException $e ) { error_log( $e->getMessage() ); $failed = true; } restore_error_handler(); } /** * Connect to Memcached */ else { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Init ' . $this->_oc_driver . ' connection' ); if ( $this->_cfg_persistent ) { $this->_conn = new \Memcached( $this->_get_mem_id() ); // Check memcached persistent connection if ( $this->_validate_mem_server() ) { // error_log( 'Object: _validate_mem_server' ); defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Got persistent ' . $this->_oc_driver . ' connection' ); return true; } defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] No persistent ' . $this->_oc_driver . ' server list!' ); } else { // error_log( 'Object: new memcached!' ); $this->_conn = new \Memcached; } $this->_conn->addServer( $this->_cfg_host, (int) $this->_cfg_port ); /** * Add SASL auth * @since 1.8.1 * @since 2.9.6 Fixed SASL connection @see https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:lsmcd:new_sasl */ if ( $this->_cfg_user && $this->_cfg_pswd && method_exists( $this->_conn, 'setSaslAuthData' ) ) { $this->_conn->setOption( \Memcached::OPT_BINARY_PROTOCOL, true ); $this->_conn->setOption( \Memcached::OPT_COMPRESSION, false ); $this->_conn->setSaslAuthData( $this->_cfg_user, $this->_cfg_pswd ); } // Check connection if ( ! $this->_validate_mem_server() ) { $failed = true; } } // If failed to connect if ( $failed ) { defined( 'LSCWP_LOG' ) && Debug2::debug( '[Object] Failed to connect ' . $this->_oc_driver . ' server!' ); $this->_conn = null; $this->_cfg_enabled = false; ! defined( 'LITESPEED_OC_FAILURE' ) && define( 'LITESPEED_OC_FAILURE', true ); // error_log( 'Object: false!' ); return false; } defined( 'LSCWP_LOG' ) && Debug2::debug2( '[Object] Connected' ); return true; } /** * Check if the connected memcached host is the one in cfg * * @since 1.8 * @access private */ private function _validate_mem_server() { $mem_list = $this->_conn->getStats(); if ( empty( $mem_list ) ) { return false; } foreach ( $mem_list as $k => $v ) { if ( substr( $k, 0, strlen( $this->_cfg_host ) ) != $this->_cfg_host ) { continue; } if ( $v[ 'pid' ] > 0 ) { return true; } } return false; } /** * Get memcached unique id to be used for connecting * * @since 1.8 * @access private */ private function _get_mem_id() { $mem_id = 'litespeed'; if ( is_multisite() ) { $mem_id .= '_' . get_current_blog_id(); } return $mem_id; } /** * Get cache * * @since 1.8 * @access public */ public function get( $key ) { if ( ! $this->_cfg_enabled ) { return null; } if ( ! $this->_can_cache() ) { return null; } if( ! $this->_connect() ) { return null; } // defined( 'LSCWP_LOG' ) && Debug2::debug2( '[Object] get ' . $key ); $res = $this->_conn->get( $key ); return $res; } /** * Set cache * * @since 1.8 * @access public */ public function set( $key, $data, $expire ) { if ( ! $this->_cfg_enabled ) { return null; } /** * To fix the Cloud callback cached as its frontend call but the hash is generated in backend * Bug found by Stan at Jan/10/2020 */ // if ( ! $this->_can_cache() ) { // return null; // } if( ! $this->_connect() ) { return null; } // defined( 'LSCWP_LOG' ) && Debug2::debug2( '[Object] set ' . $key ); // error_log( 'Object: set ' . $key ); $ttl = $expire ?: $this->_cfg_life; if ( $this->_oc_driver == 'Redis' ) { try { $res = $this->_conn->setEx( $key, $ttl, $data ); } catch ( \RedisException $ex ) { throw new \Exception( $ex->getMessage(), $ex->getCode(), $ex ); } } else { $res = $this->_conn->set( $key, $data, $ttl ); } return $res; } /** * Check if can cache or not * * @since 1.8 * @access private */ private function _can_cache() { if ( ! $this->_cfg_admin && defined( 'WP_ADMIN' ) ) { return false; } return true; } /** * Delete cache * * @since 1.8 * @access public */ public function delete( $key ) { if ( ! $this->_cfg_enabled ) { return null; } if( ! $this->_connect() ) { return null; } // defined( 'LSCWP_LOG' ) && Debug2::debug2( '[Object] delete ' . $key ); if ( $this->_oc_driver == 'Redis' ) { $res = $this->_conn->del( $key ); } else { $res = $this->_conn->delete( $key ); } return $res; } /** * Clear all cache * * @since 1.8 * @access public */ public function flush()