Classes List

Symfony\Component\Security\Core\Encoder\BCryptPasswordEncoder

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


namespace Symfony\Component\Security\Core\Encoder;

use Symfony\Component\Security\Core\Exception\BadCredentialsException;

/** * @author Elnur Abdurrakhimov <elnur@elnur.pro> * @author Terje Bråten <terje@braten.be> */
class BCryptPasswordEncoder extends BasePasswordEncoder implements SelfSaltingEncoderInterface
{
    const MAX_PASSWORD_LENGTH = 72;

    private $cost;

    /** * @param int $cost The algorithmic cost that should be used * * @throws \RuntimeException When no BCrypt encoder is available * @throws \InvalidArgumentException if cost is out of range */
    public function __construct($cost)
    {
        $cost = (int) $cost;
        if ($cost < 4 || $cost > 31) {
            throw new \InvalidArgumentException('Cost must be in the range of 4-31.');
        }

        $this->cost = $cost;
    }

    /** * Encodes the raw password. * * It doesn't work with PHP versions lower than 5.3.7, since * the password compat library uses CRYPT_BLOWFISH hash type with * the "$2y$" salt prefix (which is not available in the early PHP versions). * * @see https://github.com/ircmaxell/password_compat/issues/10#issuecomment-11203833 * * It is almost best to **not** pass a salt and let PHP generate one for you. * * @param string $raw The password to encode * @param string $salt The salt * * @return string The encoded password * * @throws BadCredentialsException when the given password is too long * * @see http://lxr.php.net/xref/PHP_5_5/ext/standard/password.c#111 */
    public function encodePassword($raw$salt)
    {
        if ($this->isPasswordTooLong($raw)) {
            throw new BadCredentialsException('Invalid password.');
        }

        $options = array('cost' => $this->cost);

        if ($salt) {
            // Ignore $salt, the auto-generated one is always the best
        }

        return password_hash($rawPASSWORD_BCRYPT$options);
    }

    /** * {@inheritdoc} */
    public function isPasswordValid($encoded$raw$salt)
    {
        return !$this->isPasswordTooLong($raw&& password_verify($raw$encoded);
    }
}