WordPress/wp-admin/admin-post.php
Sergey Biryukov f891f6f0c6 Administration: Require a valid action parameter to be set for admin-ajax.php requests.
This avoids `Array to string conversion` PHP notices when an array is passed as the `action` parameter.

Additionally, send an appropriate HTTP response status code when an invalid action is passed to `admin-post.php`.

Follow-up to [13175], [19738], [41120], [41926].

Props dd32.
Fixes #55212.
Built from https://develop.svn.wordpress.org/trunk@52813


git-svn-id: http://core.svn.wordpress.org/trunk@52402 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-03-02 15:00:11 +00:00

88 lines
2.0 KiB
PHP

<?php
/**
* WordPress Generic Request (POST/GET) Handler
*
* Intended for form submission handling in themes and plugins.
*
* @package WordPress
* @subpackage Administration
*/
/** We are located in WordPress Administration Screens */
if ( ! defined( 'WP_ADMIN' ) ) {
define( 'WP_ADMIN', true );
}
if ( defined( 'ABSPATH' ) ) {
require_once ABSPATH . 'wp-load.php';
} else {
require_once dirname( __DIR__ ) . '/wp-load.php';
}
/** Allow for cross-domain requests (from the front end). */
send_origin_headers();
require_once ABSPATH . 'wp-admin/includes/admin.php';
nocache_headers();
/** This action is documented in wp-admin/admin.php */
do_action( 'admin_init' );
$action = ! empty( $_REQUEST['action'] ) ? $_REQUEST['action'] : '';
// Reject invalid parameters.
if ( ! is_scalar( $action ) ) {
wp_die( '', 400 );
}
if ( ! is_user_logged_in() ) {
if ( empty( $action ) ) {
/**
* Fires on a non-authenticated admin post request where no action is supplied.
*
* @since 2.6.0
*/
do_action( 'admin_post_nopriv' );
} else {
// If no action is registered, return a Bad Request response.
if ( ! has_action( "admin_post_nopriv_{$action}" ) ) {
wp_die( '', 400 );
}
/**
* Fires on a non-authenticated admin post request for the given action.
*
* The dynamic portion of the hook name, `$action`, refers to the given
* request action.
*
* @since 2.6.0
*/
do_action( "admin_post_nopriv_{$action}" );
}
} else {
if ( empty( $action ) ) {
/**
* Fires on an authenticated admin post request where no action is supplied.
*
* @since 2.6.0
*/
do_action( 'admin_post' );
} else {
// If no action is registered, return a Bad Request response.
if ( ! has_action( "admin_post_{$action}" ) ) {
wp_die( '', 400 );
}
/**
* Fires on an authenticated admin post request for the given action.
*
* The dynamic portion of the hook name, `$action`, refers to the given
* request action.
*
* @since 2.6.0
*/
do_action( "admin_post_{$action}" );
}
}