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IBX-8323: Reworked RepositoryAuthenticationProvider and moved its log…
…ic to a dedicated subscriber
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108 changes: 108 additions & 0 deletions
108
...ymfony/Security/Authentication/EventSubscriber/RepositoryUserAuthenticationSubscriber.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| <?php | ||
|
|
||
| /** | ||
| * @copyright Copyright (C) Ibexa AS. All rights reserved. | ||
| * @license For full copyright and license information view LICENSE file distributed with this source code. | ||
| */ | ||
| declare(strict_types=1); | ||
|
|
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| namespace Ibexa\Core\MVC\Symfony\Security\Authentication\EventSubscriber; | ||
|
|
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| use Exception; | ||
| use Ibexa\Contracts\Core\Repository\Exceptions\PasswordInUnsupportedFormatException; | ||
| use Ibexa\Contracts\Core\Repository\UserService; | ||
| use Ibexa\Core\MVC\Symfony\Security\UserInterface as IbexaUserInterface; | ||
| use Ibexa\Core\Repository\User\Exception\UnsupportedPasswordHashType; | ||
| use Psr\Log\LoggerAwareTrait; | ||
| use Symfony\Component\EventDispatcher\EventSubscriberInterface; | ||
| use Symfony\Component\HttpFoundation\RequestStack; | ||
| use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge; | ||
| use Symfony\Component\Security\Http\Event\CheckPassportEvent; | ||
|
|
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| final class RepositoryUserAuthenticationSubscriber implements EventSubscriberInterface | ||
| { | ||
| use LoggerAwareTrait; | ||
|
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| // Constant authentication execution time in seconds (float). Blocks timing attacks. | ||
| // Must be larger than expected real execution time, with a good margin. | ||
| // If set to zero, constant time authentication is disabled. Do not do this on production environments. | ||
| public const float CONSTANT_AUTH_TIME_DEFAULT = 1.0; | ||
|
|
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| public const string CONSTANT_AUTH_TIME_SETTING = 'ibexa.security.authentication.constant_auth_time'; | ||
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| private const int USLEEP_MULTIPLIER = 1000000; | ||
|
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| public function __construct( | ||
| private readonly RequestStack $requestStack, | ||
| private readonly UserService $userService, | ||
| ) { | ||
| } | ||
|
|
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| public static function getSubscribedEvents(): array | ||
| { | ||
| return [ | ||
| CheckPassportEvent::class => ['validateRepositoryUser'], | ||
| ]; | ||
| } | ||
|
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| public function validateRepositoryUser(CheckPassportEvent $event): void | ||
| { | ||
| $request = $this->requestStack->getCurrentRequest(); | ||
| if ($request === null) { | ||
| return; | ||
| } | ||
|
|
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| $badge = $event->getPassport()->getBadge(UserBadge::class); | ||
| if (!$badge instanceof UserBadge) { | ||
| return; | ||
| } | ||
|
|
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| $user = $badge->getUser(); | ||
| if (!$user instanceof IbexaUserInterface) { | ||
| return; | ||
| } | ||
|
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| $startTime = $this->startConstantTimer(); | ||
| try { | ||
| $this->userService->checkUserCredentials( | ||
| $user->getAPIUser(), | ||
| $user->getPassword() ?? '' | ||
| ); | ||
|
|
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| $event->getAuthenticator()->authenticate($request); | ||
| } catch (UnsupportedPasswordHashType $exception) { | ||
| $this->sleepUsingConstantTimer($startTime); | ||
|
|
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| throw new PasswordInUnsupportedFormatException($exception); | ||
| } catch (Exception $e) { | ||
| $this->sleepUsingConstantTimer($startTime); | ||
|
|
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| throw $e; | ||
| } | ||
|
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| $this->sleepUsingConstantTimer($startTime); | ||
| } | ||
|
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| private function startConstantTimer(): float | ||
| { | ||
| return microtime(true); | ||
| } | ||
|
|
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| private function sleepUsingConstantTimer(float $startTime): void | ||
| { | ||
| $remainingTime = self::CONSTANT_AUTH_TIME_DEFAULT - (microtime(true) - $startTime); | ||
| if ($remainingTime > 0) { | ||
| $microseconds = $remainingTime * self::USLEEP_MULTIPLIER; | ||
|
|
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| usleep((int)$microseconds); | ||
| } elseif ($this->logger) { | ||
| $this->logger->warning( | ||
| sprintf( | ||
| 'Authentication took longer than the configured constant time. Consider increasing the value of %s', | ||
| self::CONSTANT_AUTH_TIME_SETTING | ||
| ), | ||
| [__CLASS__] | ||
| ); | ||
| } | ||
| } | ||
| } |
133 changes: 0 additions & 133 deletions
133
src/lib/MVC/Symfony/Security/Authentication/RepositoryAuthenticationProvider.php
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