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<?php |
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declare(strict_types=1); |
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namespace Happyr\Auth0Bundle\Security\Authentication; |
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use Auth0\SDK\API\Authentication; |
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use Auth0\SDK\Exception\ForbiddenException; |
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use Happyr\Auth0Bundle\Model\UserInfo; |
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use Happyr\Auth0Bundle\Security\Auth0UserProviderInterface; |
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use Happyr\Auth0Bundle\Security\Passport\Auth0Badge; |
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use Psr\Container\ContainerInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Exception\AuthenticationException; |
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use Symfony\Component\Security\Csrf\CsrfToken; |
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use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface; |
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use Symfony\Component\Security\Http\Authentication\AuthenticationFailureHandlerInterface; |
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use Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface; |
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use Symfony\Component\Security\Http\Authenticator\AbstractAuthenticator; |
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use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge; |
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use Symfony\Component\Security\Http\Authenticator\Passport\PassportInterface; |
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use Symfony\Component\Security\Http\Authenticator\Passport\SelfValidatingPassport; |
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use Symfony\Component\Security\Http\HttpUtils; |
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use Symfony\Contracts\Service\ServiceSubscriberInterface; |
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final class Auth0Authenticator extends AbstractAuthenticator implements ServiceSubscriberInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $checkRoute; |
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/** |
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* @var ContainerInterface |
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*/ |
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private $locator; |
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public function __construct(ContainerInterface $locator, string $checkRoute) |
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{ |
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$this->locator = $locator; |
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$this->checkRoute = $checkRoute; |
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} |
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public static function getSubscribedServices() |
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{ |
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return [ |
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Authentication::class, |
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CsrfTokenManagerInterface::class, |
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HttpUtils::class, |
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AuthenticationSuccessHandlerInterface::class, |
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AuthenticationFailureHandlerInterface::class, |
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'?'.Auth0UserProviderInterface::class, |
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]; |
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} |
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public function supports(Request $request): ?bool |
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{ |
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if ($request->attributes->get('_route') !== $this->checkRoute) { |
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return false; |
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} |
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return $request->query->has('code') && $request->query->has('state'); |
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} |
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public function authenticate(Request $request): PassportInterface |
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{ |
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if (null === $code = $request->query->get('code')) { |
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throw new AuthenticationException('No oauth code in the request.'); |
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} |
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if (null === $state = $request->query->get('state')) { |
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throw new AuthenticationException('No state in the request.'); |
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} |
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if (!$this->get(CsrfTokenManagerInterface::class)->isTokenValid(new CsrfToken('auth0-sso', $state))) { |
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throw new AuthenticationException('Invalid CSRF token'); |
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} |
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try { |
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$redirectUri = $this->get(HttpUtils::class)->generateUri($request, $this->checkRoute); |
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$tokenStruct = $this->get(Authentication::class)->codeExchange($code, $redirectUri); |
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} catch (ForbiddenException $e) { |
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throw new AuthenticationException($e->getMessage(), (int) $e->getCode(), $e); |
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} |
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try { |
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// Fetch info from the user |
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$userInfo = $this->get(Authentication::class)->userinfo($tokenStruct['access_token']); |
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$userModel = UserInfo::create($userInfo); |
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} catch (\Exception $e) { |
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throw new AuthenticationException('Could not fetch user info from Auth0', 0, $e); |
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} |
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$userProviderCallback = null; |
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if (null !== $up = $this->get(Auth0UserProviderInterface::class)) { |
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$userProviderCallback = static function () use ($up, $userModel) { |
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return $up->loadByUserModel($userModel); |
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}; |
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} |
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return new SelfValidatingPassport(new UserBadge($userModel->getUserId(), $userProviderCallback), [new Auth0Badge($userModel)]); |
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} |
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public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response |
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{ |
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return $this->get(AuthenticationSuccessHandlerInterface::class)->onAuthenticationSuccess($request, $token); |
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} |
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public function onAuthenticationFailure(Request $request, AuthenticationException $exception): ?Response |
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{ |
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return $this->get(AuthenticationFailureHandlerInterface::class)->onAuthenticationFailure($request, $exception); |
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} |
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/** |
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* @template T of object |
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* @psalm-param class-string<T> $service |
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* |
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* @return T|null |
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*/ |
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private function get(string $service) |
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{ |
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if ($this->locator->has($service)) { |
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return $this->locator->get($service); |
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} |
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return null; |
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} |
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} |
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