AlkantarClanX12
Current Path : /home/thanudqk/www/wp-content/plugins/w3-total-cache/ |
Current File : //home/thanudqk/www/wp-content/plugins/w3-total-cache/ConfigDbStorage.php |
<?php namespace W3TC; /** * class Config * Provides configuration data using cache */ class ConfigDbStorage { /** * Reads config from database * Stored in this class to limit class loading */ static public function util_array_from_storage( $blog_id, $preview ) { $content = self::load_content( $blog_id, $preview ); $config = @json_decode( $content, true ); if ( is_array( $config ) ) return $config; return null; } static public function is_item_exists( $blog_id, $preview ) { $content = self::load_content( $blog_id, $preview ); return is_null( $content ); } static public function remove_item( $blog_id, $preview ) { $table = self::get_table( $blog_id ); $option_name = self::get_option_name( $blog_id, $preview ); global $wpdb; $wpdb->query( $wpdb->prepare( "DELETE FROM $table WHERE option_name = %s", $option_name ) ); } /** * Deploys the config file from a preview config file * * @param integer $direction +1: preview->production * -1: production->preview * @param boolean $remove_source remove source file */ static public function preview_production_copy( $blog_id, $direction ) { if ( $direction > 0 ) { $content = self::load_content( $blog_id, true ); self::save_item( $blog_id, false, $content ); } else { $content = self::load_content( $blog_id, false ); self::save_item( $blog_id, true, $content ); } } static public function save_item( $blog_id, $preview, $data ) { if ( is_string( $data ) ) { $config = $data; } else { $config = json_encode( $data ); } $table = self::get_table( $blog_id ); $option_name = self::get_option_name( $blog_id, $preview ); global $wpdb; $is_exists = !is_null( self::load_content( $blog_id, $preview ) ); if ( $is_exists ) { $wpdb->query( $wpdb->prepare( "UPDATE $table SET option_value = %s WHERE option_name = %s", $config, $option_name ) ); } else { $wpdb->query( $wpdb->prepare( "INSERT INTO $table (option_name, option_value) VALUES (%s, %s)", $option_name, $config ) ); } } static private function get_table( $blog_id ) { if ( defined('W3TC_CONFIG_DATABASE_TABLE' ) ) { $template = W3TC_CONFIG_DATABASE_TABLE; } else { if ( is_multisite() ) { error_log( 'Please use W3TC_CONFIG_DATABASE_TABLE constant, funcationality without it is not stable in multisite mode' ); } global $table_prefix; $template = $table_prefix . 'options'; } if ( $blog_id <= 0 ) $blog_id_prefix = ''; else $blog_id_prefix = $blog_id . '_'; return str_replace('{blog_id_prefix}', $blog_id_prefix, $template); } static private function get_option_name( $blog_id, $preview ) { return 'w3tc_config_' . $blog_id . ( $preview ? '_preview' : '' ); } static private function load_content( $blog_id, $preview ) { $table = self::get_table( $blog_id ); $option_name = self::get_option_name( $blog_id, $preview ); if ( isset( $GLOBALS['wpdb'] ) ) { global $wpdb; $row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $table WHERE option_name = %s LIMIT 1", $option_name ) ); } else { $db = new _WpdbEssentials( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST ); if ( $db->ready ) { $row = $db->get_row( $db->prepare( "SELECT option_value FROM $table WHERE option_name = %s LIMIT 1", $option_name ) ); } else { error_log('Failed to load w3tc config'); $row = null; } // close connection immediately so that real pooled connection may be // reused by later inialized wpdb object $db->close(); } if ( is_object( $row ) ) { return $row->option_value; } return null; } } class _WpdbEssentials { public $last_error = ''; public $num_rows = 0; var $rows_affected = 0; var $last_query; var $last_result; public function __construct( $dbuser, $dbpassword, $dbname, $dbhost ) { if ( function_exists( 'mysqli_connect' ) ) { if ( defined( 'WP_USE_EXT_MYSQL' ) ) { $this->use_mysqli = ! WP_USE_EXT_MYSQL; } elseif ( version_compare( phpversion(), '5.5', '>=' ) || ! function_exists( 'mysql_connect' ) ) { $this->use_mysqli = true; } elseif ( false !== strpos( $GLOBALS['wp_version'], '-' ) ) { $this->use_mysqli = true; } } $this->dbuser = $dbuser; $this->dbpassword = $dbpassword; $this->dbname = $dbname; $this->dbhost = $dbhost; $this->db_connect(); } public function db_connect( $allow_bail = true ) { $this->is_mysql = true; /* * Deprecated in 3.9+ when using MySQLi. No equivalent * $new_link parameter exists for mysqli_* functions. */ $new_link = defined( 'MYSQL_NEW_LINK' ) ? MYSQL_NEW_LINK : true; $client_flags = defined( 'MYSQL_CLIENT_FLAGS' ) ? MYSQL_CLIENT_FLAGS : 0; if ( $this->use_mysqli ) { $this->dbh = mysqli_init(); // mysqli_real_connect doesn't support the host param including a port or socket // like mysql_connect does. This duplicates how mysql_connect detects a port and/or socket file. $port = null; $socket = null; $host = $this->dbhost; $port_or_socket = strstr( $host, ':' ); if ( ! empty( $port_or_socket ) ) { $host = substr( $host, 0, strpos( $host, ':' ) ); $port_or_socket = substr( $port_or_socket, 1 ); if ( 0 !== strpos( $port_or_socket, '/' ) ) { $port = intval( $port_or_socket ); $maybe_socket = strstr( $port_or_socket, ':' ); if ( ! empty( $maybe_socket ) ) { $socket = substr( $maybe_socket, 1 ); } } else { $socket = $port_or_socket; } } if ( WP_DEBUG ) { mysqli_real_connect( $this->dbh, $host, $this->dbuser, $this->dbpassword, null, $port, $socket, $client_flags ); } else { @mysqli_real_connect( $this->dbh, $host, $this->dbuser, $this->dbpassword, null, $port, $socket, $client_flags ); } if ( $this->dbh->connect_errno ) { $this->dbh = null; $this->last_error = 'Connection failed with ' . $this->dbh->connect_errno . ' error code'; if ( WP_DEBUG ) { echo esc_html( $this->last_error ); } } } else { if ( WP_DEBUG ) { $this->dbh = mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, $new_link, $client_flags ); } else { $this->dbh = @mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, $new_link, $client_flags ); } } if ( $this->dbh ) { $this->has_connected = true; $this->ready = true; $this->select( $this->dbname, $this->dbh ); } else { if ( WP_DEBUG ) { esc_html_e( 'Failed to connect to mysql server', 'w3-total-cache' ); } } } public function select( $db, $dbh = null ) { if ( $this->use_mysqli ) { $success = mysqli_select_db( $dbh, $db ); } else { $success = mysql_select_db( $db, $dbh ); } if ( ! $success ) { $this->ready = false; if ( WP_DEBUG ) { esc_html_e( 'Failed to select database', 'w3-total-cache' ); } } } public function prepare( $query, $args ) { $args = func_get_args(); array_shift( $args ); // If args were passed as an array (as in vsprintf), move them up if ( isset( $args[0] ) && is_array($args[0]) ) $args = $args[0]; $query = str_replace( "'%s'", '%s', $query ); // in case someone mistakenly already singlequoted it $query = str_replace( '"%s"', '%s', $query ); // doublequote unquoting $query = preg_replace( '|(?<!%)%f|' , '%F', $query ); // Force floats to be locale unaware $query = preg_replace( '|(?<!%)%s|', "'%s'", $query ); // quote the strings, avoiding escaped strings like %%s array_walk( $args, array( $this, 'escape_by_ref' ) ); return @vsprintf( $query, $args ); } public function escape_by_ref( &$string ) { if ( ! is_float( $string ) ) $string = $this->_real_escape( $string ); } function _real_escape( $string ) { if ( $this->use_mysqli ) { return mysqli_real_escape_string( $this->dbh, $string ); } else { return mysql_real_escape_string( $string, $this->dbh ); } } public function get_row( $query = null ) { $y = 0; if ( $query ) { $this->query( $query ); } else { return null; } if ( !isset( $this->last_result[$y] ) ) return null; return $this->last_result[$y] ? $this->last_result[$y] : null; } public function query( $query ) { if ( ! $this->ready ) { return false; } $this->_do_query( $query ); // If there is an error then take note of it. if ( $this->use_mysqli ) { if ( $this->dbh instanceof \mysqli ) { $this->last_error = mysqli_error( $this->dbh ); } else { $this->last_error = 'query: Unable to retrieve the error message from MySQL'; } } else { if ( is_resource( $this->dbh ) ) { $this->last_error = mysql_error( $this->dbh ); } else { $this->last_error = 'query: Unable to retrieve the error message from MySQL'; } } if ( $this->last_error ) { if ( WP_DEBUG ) { echo esc_html( $this->last_error ); } return false; } $num_rows = 0; $this->last_result = array(); if ( $this->use_mysqli && $this->result instanceof \mysqli_result ) { while ( $row = mysqli_fetch_object( $this->result ) ) { $this->last_result[$num_rows] = $row; $num_rows++; } } elseif ( is_resource( $this->result ) ) { while ( $row = mysql_fetch_object( $this->result ) ) { $this->last_result[$num_rows] = $row; $num_rows++; } } // Log number of rows the query returned // and return number of rows selected $this->num_rows = $num_rows; $return_val = $num_rows; return $return_val; } private function _do_query( $query ) { if ( ! empty( $this->dbh ) && $this->use_mysqli ) { $this->result = mysqli_query( $this->dbh, $query ); } elseif ( ! empty( $this->dbh ) ) { $this->result = mysql_query( $query, $this->dbh ); } } public function close() { if ( ! $this->dbh ) { return false; } if ( $this->use_mysqli ) { $closed = mysqli_close( $this->dbh ); } else { $closed = mysql_close( $this->dbh ); } if ( $closed ) { $this->dbh = null; $this->ready = false; $this->has_connected = false; } return $closed; } }