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<?php |
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/** |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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* |
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* @see https://github.com/ecphp |
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*/ |
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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\Utils\Uri; |
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use InvalidArgumentException; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Symfony\Bridge\PsrHttpMessage\HttpMessageFactoryInterface; |
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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\Core\User\UserInterface; |
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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\Passport; |
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use Symfony\Component\Security\Http\Authenticator\Passport\SelfValidatingPassport; |
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final class CasAuthenticator extends AbstractAuthenticator |
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{ |
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private CasInterface $cas; |
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private HttpMessageFactoryInterface $httpMessageFactory; |
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public function __construct( |
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CasInterface $cas, |
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HttpMessageFactoryInterface $httpMessageFactory |
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) { |
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$this->cas = $cas; |
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$this->httpMessageFactory = $httpMessageFactory; |
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} |
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public function authenticate(Request $request): Passport |
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{ |
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$response = $this |
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->cas |
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->withServerRequest($this->toPsr($request)) |
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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 = $this->cas->detect($response); |
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} catch (InvalidArgumentException $exception) { |
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throw new AuthenticationException($exception->getMessage(), 0, $exception); |
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} |
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if (false === ($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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$payload = $introspect->getCredentials(); |
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return new SelfValidatingPassport( |
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new UserBadge( |
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$payload['user'], |
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static fn (string $identifier): UserInterface => new CasUser($payload) |
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) |
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); |
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} |
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public function onAuthenticationFailure(Request $request, AuthenticationException $exception): ?Response |
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{ |
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$uri = $this->toPsr($request)->getUri(); |
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if (false === Uri::hasParams($uri, 'ticket')) { |
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return null; |
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} |
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// Remove the ticket parameter. |
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$uri = Uri::removeParams( |
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$uri, |
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'ticket' |
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); |
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return new RedirectResponse((string) Uri::withParam($uri, 'renew', 'true')); |
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} |
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public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): Response |
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{ |
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return new RedirectResponse( |
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(string) Uri::removeParams( |
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$this->toPsr($request)->getUri(), |
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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 supports(Request $request): bool |
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{ |
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return $this |
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->cas |
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->withServerRequest($this->toPsr($request)) |
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->supportAuthentication(); |
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} |
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/** |
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* Convert a Symfony request into a PSR Request. |
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* |
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* @param \Symfony\Component\HttpFoundation\Request $request |
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* The Symfony request. |
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* |
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* @return \Psr\Http\Message\ServerRequestInterface |
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* The PSR request. |
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*/ |
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private function toPsr(Request $request): ServerRequestInterface |
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{ |
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// As we cannot decorate the Symfony Request object, we convert it into |
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// a PSR Request so we can override the PSR HTTP Message factory if |
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// needed. |
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// See the reasons at https://github.com/ecphp/cas-lib/issues/5 |
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return $this->httpMessageFactory->createRequest($request); |
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} |
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} |
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ecphp /
cas-bundle
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.