File: /var/www/html/wp-content/plugins/mainwp-child/class/class-mainwp-child-bulk-settings-manager.php
<?php
/**
* MainWP Child Bulk Settings Manager
*
* This file handles connecting to the child site as a browser in order performs an HTTP request using the POST method and returns its response.
*
* @package MainWP\Child
*/
namespace MainWP\Child;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class MainWP_Child_Bulk_Settings_Manager
*
* Handles connecting to the child site as a browser in order performs an HTTP request using the POST method and returns its response.
*/
class MainWP_Child_Bulk_Settings_Manager {
/**
* Public static variable to hold the single instance of the class.
*
* @var mixed Default null
*/
public static $instance = null;
/**
* Public statis variable containing the synchronization information.
*
* @var array Synchronization information.
*/
public static $information = array();
/**
* Public variable to hold the information about the language domain.
*
* @var string 'mainwp-child' languge domain.
*/
public $plugin_translate = 'mainwp-child';
/**
* Create public static instance for MainWP_Child_Bulk_Settings_Manager.
*
* @return MainWP_Child_Bulk_Settings_Manager|null
*/
public static function instance() {
if ( null === static::$instance ) {
static::$instance = new self();
}
return static::$instance;
}
/**
* Save Settings & Visit Site as Browser actions.
*
* @uses \MainWP\Child\MainWP_Helper::write()
*/
public function action() {
/**
* MainWP bulk settings manager fatal error handler.
*/
function mainwp_bulk_settings_manager_handle_fatal_error() {
$error = error_get_last();
if ( isset( $error['type'] ) && in_array( $error['type'], array( 1, 4, 16, 64, 256 ) ) && isset( $error['message'] ) ) {
MainWP_Helper::write( array( 'error' => 'MainWP_Child fatal error : ' . $error['message'] . ' Line: ' . $error['line'] . ' File: ' . $error['file'] ) );
}
}
register_shutdown_function( '\MainWP\Child\mainwp_bulk_settings_manager_handle_fatal_error' );
$mwp_action = MainWP_System::instance()->validate_params( 'action' );
switch ( $mwp_action ) {
case 'skeleton_key_visit_site_as_browser': // deprecated.
$information = $this->visit_site_as_browser();
break;
case 'bulk_settings_manager_visit_site_as_browser':
$information = $this->visit_site_as_browser();
break;
case 'save_settings':
$information = $this->save_settings();
break;
default:
$information = array( 'error' => 'Unknown action' );
}
MainWP_Helper::write( $information );
exit();
}
/**
* Visit site as a browser.
*
* @return array|string[] Response array or Error message string within an array.
*
* @uses \MainWP\Child\MainWP_Helper::get_class_name()
*/
protected function visit_site_as_browser() { // phpcs:ignore -- NOSONAR - ignore complex method notice.
// phpcs:disable WordPress.Security.NonceVerification
if ( ! isset( $_POST['url'] ) || ! is_string( wp_unslash( $_POST['url'] ) ) || strlen( wp_unslash( $_POST['url'] ) ) < 2 ) { //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
return array( 'error' => 'Missing url' );
}
if ( ! isset( $_POST['args'] ) || ! is_array( $_POST['args'] ) ) {
return array( 'error' => 'Missing args' );
}
$_POST = stripslashes_deep( wp_unslash( $_POST ) );
$args = isset( $_POST['args'] ) ? wp_unslash( $_POST['args'] ) : array(); //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$current_user = wp_get_current_user();
$url = isset( $_POST['url'] ) ? '/' . sanitize_text_field( wp_unslash( $_POST['url'] ) ) : '';
$expiration = time() + 600;
$manager = \WP_Session_Tokens::get_instance( $current_user->ID );
$token = $manager->create( $expiration );
$secure = is_ssl();
if ( $secure ) {
$auth_cookie_name = SECURE_AUTH_COOKIE;
$scheme = 'secure_auth';
} else {
$auth_cookie_name = AUTH_COOKIE;
$scheme = 'auth';
}
$auth_cookie = wp_generate_auth_cookie( $current_user->ID, $expiration, $scheme, $token );
$logged_in_cookie = wp_generate_auth_cookie( $current_user->ID, $expiration, 'logged_in', $token );
$_COOKIE[ $auth_cookie_name ] = $auth_cookie;
$_COOKIE[ LOGGED_IN_COOKIE ] = $logged_in_cookie;
$post_args = array();
$post_args['body'] = array();
$post_args['redirection'] = 5;
$post_args['decompress'] = false;
$post_args['cookies'] = array(
new \WP_Http_Cookie(
array(
'name' => $auth_cookie_name,
'value' => $auth_cookie,
)
),
new \WP_Http_Cookie(
array(
'name' => LOGGED_IN_COOKIE,
'value' => $logged_in_cookie,
)
),
);
$skip_invalid_nonce = false;
if ( isset( $_REQUEST['skip_invalid_nonce'] ) && ! empty( $_REQUEST['skip_invalid_nonce'] ) ) {
$skip_invalid_nonce = true;
}
// phpcs:enable
if ( isset( $args['get'] ) ) {
$get_args = $args['get'];
parse_str( $args['get'], $get_args );
}
if ( ! isset( $get_args ) || ! is_array( $get_args ) ) {
$get_args = array();
}
$get_args['bulk_settings_manageruse_nonce_key'] = intval( time() );
$get_args['bulk_settings_manageruse_nonce_hmac'] = hash_hmac( 'sha256', $get_args['bulk_settings_manageruse_nonce_key'], NONCE_KEY );
if ( true === $skip_invalid_nonce ) {
$get_args['bulk_settings_skip_invalid_nonce'] = $skip_invalid_nonce;
}
$good_nonce = null;
if ( isset( $args['nonce'] ) && ! empty( $args['nonce'] ) ) {
parse_str( $args['nonce'], $temp_nonce );
$good_nonce = $this->wp_create_nonce_recursive( $temp_nonce );
$get_args = array_merge( $get_args, $good_nonce );
}
if ( isset( $args['post'] ) ) {
parse_str( $args['post'], $temp_post );
if ( ! isset( $temp_post ) || ! is_array( $temp_post ) ) {
$temp_post = array();
}
if ( ! empty( $good_nonce ) ) {
$temp_post = array_merge( $temp_post, $good_nonce );
}
if ( true === $skip_invalid_nonce ) {
$temp_post['bulk_settings_skip_invalid_nonce'] = $skip_invalid_nonce;
}
$post_args['body'] = $temp_post;
}
$post_args['timeout'] = 25;
$full_url = add_query_arg( $get_args, get_site_url() . $url );
add_filter( 'http_request_args', array( MainWP_Helper::get_class_name(), 'reject_unsafe_urls' ), 99, 2 );
$response = wp_remote_post( $full_url, $post_args );
if ( is_wp_error( $response ) ) {
return array( 'error' => 'wp_remote_post error: ' . $response->get_error_message() );
}
$received_content = wp_remote_retrieve_body( $response );
if ( preg_match( '/<mainwp>(.*)<\/mainwp>/', $received_content, $received_result ) > 0 ) {
$received_content_mainwp = json_decode( base64_decode( $received_result[1] ), true ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode function is used for http encode compatible..
if ( isset( $received_content_mainwp['error'] ) ) {
return array( 'error' => $received_content_mainwp['error'] );
}
}
$search_ok_counter = 0;
$search_fail_counter = 0;
if ( isset( $args['search']['ok'] ) ) {
foreach ( $args['search']['ok'] as $search ) {
if ( preg_match( '/' . preg_quote( $search, '/' ) . '/i', $received_content ) ) {
++$search_ok_counter;
}
}
}
if ( isset( $args['search']['fail'] ) ) {
foreach ( $args['search']['fail'] as $search ) {
if ( preg_match( '/' . preg_quote( $search, '/' ) . '/i', $received_content ) ) {
++$search_fail_counter;
}
}
}
unset( $get_args['bulk_settings_manageruse_nonce_key'] );
unset( $get_args['bulk_settings_manageruse_nonce_hmac'] );
return array(
'success' => 1,
'content' => $received_content,
'url' => $full_url,
'get' => $get_args,
'post' => $post_args['body'],
'search_ok_counter' => $search_ok_counter,
'search_fail_counter' => $search_fail_counter,
);
}
/**
* Create WP nonce.
*
* @param array $arr An array containing the nonce.
*
* @return array An array containing the nonce.
*/
private function wp_create_nonce_recursive( $arr ) {
foreach ( $arr as $key => $value ) {
if ( is_array( $arr[ $key ] ) ) {
$arr[ $key ] = $this->wp_create_nonce_recursive( $arr[ $key ] );
} else {
$arr[ $key ] = wp_create_nonce( $arr[ $key ] );
}
}
return $arr;
}
/**
* Save site settings.
*
* @return array|bool|string[] Result array ok|error or FALSE or $whitelist_options[].
*/
public function save_settings() { //phpcs:ignore -- NOSONAR - complex.
$settings = isset( $_POST['settings'] ) ? wp_unslash( $_POST['settings'] ) : array(); // phpcs:ignore WordPress.Security.NonceVerification,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( ! is_array( $settings ) || empty( $settings ) ) {
return array( 'error' => esc_html__( 'Invalid data. Please check and try again.', 'mainwp-child' ) );
}
$whitelist_options = array(
'general' => array( 'blogname', 'blogdescription', 'gmt_offset', 'date_format', 'time_format', 'start_of_week', 'timezone_string', 'WPLANG' ),
);
if ( ! is_multisite() ) {
if ( ! defined( 'WP_SITEURL' ) ) {
$whitelist_options['general'][] = 'siteurl';
}
if ( ! defined( 'WP_HOME' ) ) {
$whitelist_options['general'][] = 'home';
}
$whitelist_options['general'][] = 'admin_email';
$whitelist_options['general'][] = 'users_can_register';
$whitelist_options['general'][] = 'default_role';
}
$whitelist_general = $whitelist_options['general'];
if ( ! empty( $settings['WPLANG'] ) ) {
require_once ABSPATH . 'wp-admin/includes/translation-install.php'; // NOSONAR - WP compatible.
if ( wp_can_install_language_pack() ) {
$language = wp_download_language_pack( $settings['WPLANG'] );
if ( $language ) {
$settings['WPLANG'] = $language;
}
}
}
$updated = false;
foreach ( $settings as $option => $value ) {
if ( in_array( $option, $whitelist_general ) ) {
if ( ! is_array( $value ) ) {
$value = trim( $value );
}
$value = wp_unslash( $value );
update_option( $option, $value );
$updated = true;
}
}
if ( ! $updated ) {
return false;
}
return array( 'result' => 'ok' );
}
}