4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\HttpKernel\Exception;
15 * @author Ben Ramsey <ben@benramsey.com>
17 class UnauthorizedHttpException extends HttpException
20 * @param string $challenge WWW-Authenticate challenge string
21 * @param string $message The internal exception message
22 * @param \Exception $previous The previous exception
23 * @param int $code The internal exception code
25 public function __construct($challenge, $message = null, \Exception $previous = null, $code = 0)
27 $headers = array('WWW-Authenticate' => $challenge);
29 parent::__construct(401, $message, $previous, $headers, $code);