view vendor/symfony/validator/Constraints/Luhn.php @ 13:5fb285c0d0e3

Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;

/**
 * Metadata for the LuhnValidator.
 *
 * @Annotation
 * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
 *
 * @author Tim Nagel <[e-mail]>
 * @author Greg Knapp http://gregk.me/2011/php-implementation-of-bank-card-luhn-algorithm/
 * @author Bernhard Schussek <[e-mail]>
 */
class Luhn extends Constraint
{
    const INVALID_CHARACTERS_ERROR = 'dfad6d23-1b74-4374-929b-5cbb56fc0d9e';
    const CHECKSUM_FAILED_ERROR = '4d760774-3f50-4cd5-a6d5-b10a3299d8d3';

    protected static $errorNames = array(
        self::INVALID_CHARACTERS_ERROR => 'INVALID_CHARACTERS_ERROR',
        self::CHECKSUM_FAILED_ERROR => 'CHECKSUM_FAILED_ERROR',
    );

    public $message = 'Invalid card number.';
}