check_admin_referer

check_admin_referer钩子是Wordpress钩子,动作钩子::在管理请求被验证或未验证后激发。

do_action( ‘check_admin_referer’, string $action, false|int $result )

参数(Parameters)

参数类型说明
$action(string)立即行动。
$result(false | int)如果nonce无效,则为False;如果nonce有效并在0-12小时前生成,则为1;如果nonce有效并在12-24小时前生成,则为2。

源码(Source)

/**
 * Makes sure that a user was referred from another admin page.
 *
 * To avoid security exploits.
 *
 * @since 1.2.0
 *
 * @param int|string $action    Action nonce.
 * @param string     $query_arg Optional. Key to check for nonce in `$_REQUEST` (since 2.5).
 *                              Default '_wpnonce'.
 * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
 *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
 */
function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
	if ( -1 == $action )
		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2' );
	$adminurl = strtolower(admin_url());
	$referer = strtolower(wp_get_referer());
	$result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false;
	/**
	 * Fires once the admin request has been validated or not.
	 *
	 * @since 1.5.1
	 *
	 * @param string    $action The nonce action.
	 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
	 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
	 */
	do_action( 'check_admin_referer', $action, $result );
	if ( ! $result && ! ( -1 == $action && strpos( $referer, $adminurl ) === 0 ) ) {
		wp_nonce_ays( $action );
		die();
	}
	return $result;
}
endif;
if ( !function_exists('check_ajax_referer') ) :
更新版本源码位置使用被使用
1.5.1wp-includes/pluggable.php:113610
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