<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Http\EventListener;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\PasswordHasher\Hasher\PasswordHasherFactoryInterface;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\User\LegacyPasswordAuthenticatedUserInterface;
use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\PasswordUpgradeBadge;
use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\CustomCredentials;
use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
use Symfony\Component\Security\Http\Event\CheckPassportEvent;
/**
* This listeners uses the interfaces of authenticators to
* determine how to check credentials.
*
* @author Wouter de Jong <[email protected]>
*
* @final
*/
class CheckCredentialsListener implements EventSubscriberInterface
{
private $hasherFactory;
public function __construct(PasswordHasherFactoryInterface $hasherFactory)
{
$this->hasherFactory = $hasherFactory;
}
public function checkPassport(CheckPassportEvent $event): void
{
$passport = $event->getPassport();
if ($passport->hasBadge(PasswordCredentials::class)) {
// Use the password hasher to validate the credentials
$user = $passport->getUser();
if (!$user instanceof PasswordAuthenticatedUserInterface) {
throw new \LogicException(sprintf('Class "%s" must implement "%s" for using password-based authentication.', get_debug_type($user), PasswordAuthenticatedUserInterface::class));
}
/** @var PasswordCredentials $badge */
$badge = $passport->getBadge(PasswordCredentials::class);
if ($badge->isResolved()) {
return;
}
$presentedPassword = $badge->getPassword();
if ('' === $presentedPassword) {
throw new BadCredentialsException('The presented password cannot be empty.');
}
if (null === $user->getPassword()) {
throw new BadCredentialsException('The presented password is invalid.');
}
if (!$this->hasherFactory->getPasswordHasher($user)->verify($user->getPassword(), $presentedPassword, $user instanceof LegacyPasswordAuthenticatedUserInterface ? $user->getSalt() : null)) {
throw new BadCredentialsException('The presented password is invalid.');
}
$badge->markResolved();
if (!$passport->hasBadge(PasswordUpgradeBadge::class)) {
$passport->addBadge(new PasswordUpgradeBadge($presentedPassword));
}
return;
}
if ($passport->hasBadge(CustomCredentials::class)) {
/** @var CustomCredentials $badge */
$badge = $passport->getBadge(CustomCredentials::class);
if ($badge->isResolved()) {
return;
}
$badge->executeCustomChecker($passport->getUser());
return;
}
}
public static function getSubscribedEvents(): array
{
return [CheckPassportEvent::class => 'checkPassport'];
}
}