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<?php
/**
* Rollback Class.
*
* @author ClimaxThemes
* @package Kata Plus
* @since 1.3.0
*/
// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class Kata_Plus_Rollback {
/**
* Instance of this class.
*
* @since 1.3.0
* @access public
* @var Kata_Plus_Rollback
*/
public static $instance;
/**
* Provides access to a single instance of a module using the singleton pattern.
*
* @since 1.3.0
* @return object
*/
public static function get_instance() {
if ( self::$instance === null ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
*
* @since 1.3.0
*/
private function __construct() {
$this->actions();
}
/**
* Add actions.
*
* @since 1.3.0
*/
public function actions() {
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
add_action( 'wp_ajax_kata_rollback', array( $this, 'kata_rollback' ) );
}
/**
* Load plugin upgrader.
*
* @since 1.3.0
*/
private function load_plugin_upgrader() {
include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
require_once Kata_Plus::$dir . 'includes/admin-panel/class-plugin-upgrader.php';
}
/**
* enqueue scripts.
*
* @since 1.3.0
*/
public function enqueue_scripts() {
if ( isset( $_GET['page'] ) && $_GET['page'] === 'kata-plus-rollback' ) {
wp_enqueue_style( 'rwmb-select2', RWMB_CSS_URL . 'select2/select2.css', array(), '4.0.10' );
wp_enqueue_script( 'rwmb-select2', RWMB_JS_URL . 'select2/select2.min.js', array( 'jquery' ), '4.0.10', true );
wp_enqueue_style( 'kata-notice', Kata_Plus::$assets . 'css/backend/notice.css', array(), Kata_Plus::$version );
wp_enqueue_style( 'kata-rollback', Kata_Plus::$assets . 'css/backend/rollback.css', array(), Kata_Plus::$version );
wp_enqueue_script( 'kata-rollback', Kata_Plus::$assets . 'js/backend/rollback.js', array( 'jquery' ), Kata_Plus::$version, true );
wp_localize_script(
'kata-rollback',
'kataRollback',
array(
'ajax_url' => admin_url( 'admin-ajax.php' ),
'nonce' => wp_create_nonce( 'krb' ),
)
);
}
}
/**
* Rollback ajax.
*
* @since 1.3.0
*/
public function kata_rollback() {
$nonce = sanitize_text_field( $_POST['nonce'] );
$version = sanitize_text_field( $_POST['version'] );
$slug = sanitize_text_field( $_POST['slug'] );
$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $slug . '/' . $slug . '.php', false, false );
if ( $plugin_data['Version'] === $version ) {
wp_send_json( 'Can not return to currnet version', 400 );
wp_die();
}
if ( ! is_plugin_active( $slug . '/' . $slug . '.php' ) ) {
wp_send_json( 'Plugin is not installed', 400 );
wp_die();
}
if ( ! wp_verify_nonce( $nonce, 'krb' ) ) {
wp_send_json( 'Wrong nonce!', 400 );
wp_die();
}
$this->load_plugin_upgrader();
$upgrader = new Kata_Plus_Plugin_Upgrader();
$result = $upgrader->rollback( $slug, array(), $version );
if ( ! is_wp_error( $result ) && $result ) {
wp_send_json( 'updated', 200 );
} else {
wp_send_json( 'error', 400 );
}
wp_die();
}
}
Kata_Plus_Rollback::get_instance();