Your IP : 18.217.107.229
<?php
/**
* The preset class.
*
* @since 5.3.0
*/
namespace LiteSpeed;
defined( 'WPINC' ) || exit;
class Preset extends Import {
protected $_summary;
const MAX_BACKUPS = 10;
const TYPE_APPLY = 'apply';
const TYPE_RESTORE = 'restore';
const STANDARD_DIR = LSCWP_DIR . 'data/preset';
const BACKUP_DIR = LITESPEED_STATIC_DIR . '/auto-backup';
/**
* Returns sorted backup names
*
* @since 5.3.0
* @access public
*/
public static function get_backups() {
self::init_filesystem();
global $wp_filesystem;
$backups = array_map(
function( $path ) { return self::basename( $path['name'] ); },
$wp_filesystem->dirlist( self::BACKUP_DIR ) ?: []
);
rsort( $backups );
return $backups;
}
/**
* Removes extra backup files
*
* @since 5.3.0
* @access public
*/
public static function prune_backups() {
$backups = self::get_backups();
global $wp_filesystem;
foreach ( array_slice( $backups, self::MAX_BACKUPS ) as $backup ) {
$path = self::get_backup( $backup );
$wp_filesystem->delete( $path );
Debug2::debug('[Preset] Deleted old backup from ' . $backup );
}
}
/**
* Returns a settings file's extensionless basename given its filesystem path
*
* @since 5.3.0
* @access public
*/
public static function basename( $path ) {
return basename( $path, '.data' );
}
/**
* Returns a standard preset's path given its extensionless basename
*
* @since 5.3.0
* @access public
*/
public static function get_standard( $name ) {
return path_join( self::STANDARD_DIR, $name . '.data' );
}
/**
* Returns a backup's path given its extensionless basename
*
* @since 5.3.0
* @access public
*/
public static function get_backup( $name ) {
return path_join( self::BACKUP_DIR, $name . '.data' );
}
/**
* Initializes the global $wp_filesystem object and clears stat cache
*
* @since 5.3.0
*/
static function init_filesystem() {
require_once ( ABSPATH . '/wp-admin/includes/file.php' );
\WP_Filesystem();
clearstatcache();
}
/**
* Init
*
* @since 5.3.0
*/
public function __construct() {
Debug2::debug( '[Preset] Init' );
$this->_summary = self::get_summary();
}
/**
* Applies a standard preset's settings given its extensionless basename
*
* @since 5.3.0
* @access public
*/
public function apply( $preset ) {
$this->make_backup( $preset );
$path = self::get_standard( $preset );
$result = $this->import_file( $path ) ? $preset : 'error';
$this->log( $result );
}
/**
* Restores settings from the backup file with the given timestamp, then deletes the file
*
* @since 5.3.0
* @access public
*/
public function restore( $timestamp ) {
$backups = array();
foreach ( self::get_backups() as $backup ) {
if ( preg_match( '/^backup-' . $timestamp . '(-|$)/', $backup ) === 1 ) {
$backups[] = $backup;
}
};
if ( empty( $backups ) ) {
$this->log( 'error' );
return;
}
$backup = $backups[0];
$path = self::get_backup( $backup );
if ( ! $this->import_file( $path ) ) {
$this->log( 'error' );
return;
}
self::init_filesystem();
global $wp_filesystem;
$wp_filesystem->delete( $path );
Debug2::debug('[Preset] Deleted most recent backup from ' . $backup );
$this->log( 'backup' );
}
/**
* Saves current settings as a backup file, then prunes extra backup files
*
* @since 5.3.0
* @access public
*/
public function make_backup( $preset ) {
$backup = 'backup-' . time() . '-before-' . $preset;
$data = $this->export( true );
$path = self::get_backup( $backup );
File::save( $path, $data, true );
Debug2::debug( '[Preset] Backup saved to ' . $backup );
self::prune_backups();
}
/**
* Tries to import from a given settings file
*
* @since 5.3.0
*/
function import_file( $path ) {
$debug = function( $result, $name ) {
$action = $result ? 'Applied' : 'Failed to apply';
Debug2::debug( '[Preset] ' . $action . ' settings from ' . $name );
return $result;
};
$name = self::basename( $path );
$contents = file_get_contents( $path );
if ( false === $contents ) {
Debug2::debug( '[Preset] ❌ Failed to get file contents' );
return $debug( false, $name );
}
$parsed = array();
try {
// Check if the data is v4+
if ( strpos( $contents, '["_version",' ) === 0 ) {
$contents = explode( "\n", $contents );
foreach ( $contents as $line ) {
$line = trim( $line );
if ( empty( $line ) ) {
continue;
}
list( $key, $value ) = json_decode( $line, true );
$parsed[ $key ] = $value;
}
} else {
$parsed = json_decode( base64_decode( $contents ), true );
}
} catch ( \Exception $ex ) {
Debug2::debug( '[Preset] ❌ Failed to parse serialized data' );
return $debug( false, $name );
}
if ( empty( $parsed ) ) {
Debug2::debug( '[Preset] ❌ Nothing to apply' );
return $debug( false, $name );
}
$this->cls( 'Conf' )->update_confs( $parsed );
return $debug( true, $name );
}
/**
* Updates the log
*
* @since 5.3.0
*/
function log( $preset ) {
$this->_summary[ 'preset' ] = $preset;
$this->_summary[ 'preset_timestamp' ] = time();
self::save_summary();
}
/**
* Handles all request actions from main cls
*
* @since 5.3.0
* @access public
*/
public function handler() {
$type = Router::verify_type();
switch ( $type ) {
case self::TYPE_APPLY:
$this->apply( ! empty( $_GET['preset'] ) ? $_GET['preset'] : false );
break;
case self::TYPE_RESTORE:
$this->restore( ! empty( $_GET['timestamp'] ) ? $_GET['timestamp'] : false );
break;
default:
break;
}
Admin::redirect();
}
}