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<?php |
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declare(strict_types=1); |
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namespace EcPhp\CasBundle\Security; |
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use EcPhp\CasBundle\Security\Core\User\CasUser; |
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use EcPhp\CasLib\CasInterface; |
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use EcPhp\CasLib\Introspection\Contract\ServiceValidate; |
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use EcPhp\CasLib\Introspection\Introspector; |
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use EcPhp\CasLib\Utils\Uri; |
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use InvalidArgumentException; |
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use Psr\Http\Message\ServerRequestFactoryInterface; |
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use Psr\Http\Message\UriFactoryInterface; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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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\Http\Authenticator\AbstractAuthenticator; |
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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\EntryPoint\AuthenticationEntryPointInterface; |
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/** |
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* Class CasAuthenticator. |
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*/ |
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class CasAuthenticator extends AbstractAuthenticator implements AuthenticationEntryPointInterface |
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{ |
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/** |
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* The PSR CAS library. |
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* |
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* @var \EcPhp\CasLib\CasInterface |
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*/ |
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private $cas; |
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/** |
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* @var \Psr\Http\Message\ServerRequestFactoryInterface |
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*/ |
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private $serverRequestFactory; |
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/** |
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* @var \Psr\Http\Message\UriFactoryInterface |
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*/ |
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private $uriFactory; |
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/** |
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* CasAuthenticator constructor. |
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* |
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* @param \EcPhp\CasLib\CasInterface $cas |
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* @param \Psr\Http\Message\UriFactoryInterface $uriFactory |
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* @param \Psr\Http\Message\ServerRequestFactoryInterface $serverRequestFactory |
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*/ |
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public function __construct( |
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CasInterface $cas, |
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UriFactoryInterface $uriFactory, |
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ServerRequestFactoryInterface $serverRequestFactory |
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) { |
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$this->cas = $cas; |
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$this->uriFactory = $uriFactory; |
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$this->serverRequestFactory = $serverRequestFactory; |
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} |
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public function authenticate(Request $request): PassportInterface |
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{ |
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$response = $this |
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->cas |
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->requestTicketValidation(); |
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if (null === $response) { |
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throw new AuthenticationException('Unable to authenticate the user with such service ticket.'); |
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} |
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try { |
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$introspect = Introspector::detect($response); |
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} catch (InvalidArgumentException $exception) { |
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throw new AuthenticationException($exception->getMessage()); |
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} |
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if (false === ($introspect instanceof ServiceValidate)) { |
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throw new AuthenticationException( |
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'Failure in the returned response' |
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); |
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} |
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return new SelfValidatingPassport(new CasUser($introspect->getCredentials())); |
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} |
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public function onAuthenticationFailure( |
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Request $request, |
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AuthenticationException $exception |
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): ?Response { |
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return null; |
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} |
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public function onAuthenticationSuccess( |
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Request $request, |
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TokenInterface $token, |
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string $firewallName |
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): ?Response { |
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return new RedirectResponse( |
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(string) Uri::removeParams( |
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$this->uriFactory->createUri( |
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$request->getUri() |
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), |
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'ticket', |
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'renew' |
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) |
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); |
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} |
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public function start( |
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Request $request, |
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?AuthenticationException $authException = null |
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) { |
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if (true === $request->isXmlHttpRequest()) { |
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return new JsonResponse( |
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['message' => 'Authentication required'], |
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Response::HTTP_UNAUTHORIZED |
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); |
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} |
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$response = $this |
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->cas |
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->login(); |
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if (null === $response) { |
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throw new AuthenticationException('Unable to start the authentication process.', 0, $authException); |
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} |
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return new RedirectResponse( |
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$response |
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->getHeaderLine('location') |
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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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return $this |
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->cas |
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->withServerRequest( |
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$this |
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->serverRequestFactory |
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->createServerRequest( |
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$request->getMethod(), |
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$request->getUri() |
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) |
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) |
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->supportAuthentication(); |
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} |
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} |
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ecphp /
cas-bundle
