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<?php |
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/** |
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* This file is part of the login-cidadao project or it's bundles. |
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* |
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* (c) Guilherme Donato <guilhermednt on github> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace LoginCidadao\RemoteClaimsBundle\EventSubscriber; |
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use LoginCidadao\LogBundle\Traits\LoggerAwareTrait; |
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use LoginCidadao\OpenIDBundle\Event\AuthorizationEvent; |
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use LoginCidadao\OpenIDBundle\LoginCidadaoOpenIDEvents; |
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use LoginCidadao\RemoteClaimsBundle\Entity\RemoteClaimAuthorization; |
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use LoginCidadao\RemoteClaimsBundle\Model\HttpUri; |
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use LoginCidadao\RemoteClaimsBundle\Model\RemoteClaimFetcherInterface; |
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use LoginCidadao\RemoteClaimsBundle\Model\RemoteClaimInterface; |
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use LoginCidadao\RemoteClaimsBundle\Model\RemoteClaimManagerInterface; |
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use LoginCidadao\RemoteClaimsBundle\Model\TagUri; |
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use Psr\Log\LoggerAwareInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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class AuthorizationSubscriber implements EventSubscriberInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** @var RemoteClaimFetcherInterface */ |
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private $claimFetcher; |
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/** @var RemoteClaimInterface[] */ |
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private $remoteClaims; |
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/** @var RemoteClaimManagerInterface */ |
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private $remoteClaimManager; |
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/** @var AuthorizationCheckerInterface */ |
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private $authChecker; |
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/** |
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* AuthorizationSubscriber constructor. |
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* @param RemoteClaimManagerInterface $remoteClaimManager |
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* @param RemoteClaimFetcherInterface $claimFetcher |
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* @param AuthorizationCheckerInterface $authChecker |
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*/ |
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public function __construct( |
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RemoteClaimManagerInterface $remoteClaimManager, |
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RemoteClaimFetcherInterface $claimFetcher, |
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AuthorizationCheckerInterface $authChecker |
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) { |
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$this->remoteClaimManager = $remoteClaimManager; |
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$this->claimFetcher = $claimFetcher; |
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$this->authChecker = $authChecker; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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LoginCidadaoOpenIDEvents::NEW_AUTHORIZATION_REQUEST => 'onNewAuthorizationRequest', |
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LoginCidadaoOpenIDEvents::NEW_AUTHORIZATION => ['onNewAuthorization', 100], |
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LoginCidadaoOpenIDEvents::UPDATE_AUTHORIZATION => ['onUpdateAuthorization', 100], |
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LoginCidadaoOpenIDEvents::REVOKE_AUTHORIZATION => 'onRevokeAuthorization', |
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]; |
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} |
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public function onNewAuthorizationRequest(AuthorizationEvent $event) |
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{ |
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if (false === $this->authChecker->isGranted('FEATURE_REMOTE_CLAIMS')) { |
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return; |
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} |
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foreach ($event->getScope() as $scope) { |
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if ($this->checkHttpUri($scope) || $this->checkTagUri($scope)) { |
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try { |
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$remoteClaim = $this->claimFetcher->getRemoteClaim($scope); |
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$this->remoteClaims[] = $remoteClaim; |
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$event->addRemoteClaim($remoteClaim); |
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} catch (\Exception $e) { |
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$this->error( |
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"Error retrieving remote claim {$scope}: {$e->getMessage()}", |
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['exception' => $e] |
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); |
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} |
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} |
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} |
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} |
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public function onNewAuthorization(AuthorizationEvent $event) |
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{ |
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if (false === $this->authChecker->isGranted('FEATURE_REMOTE_CLAIMS')) { |
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return; |
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} |
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$this->enforceRemoteClaims($event); |
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} |
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public function onUpdateAuthorization(AuthorizationEvent $event) |
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{ |
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if (false === $this->authChecker->isGranted('FEATURE_REMOTE_CLAIMS')) { |
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return; |
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} |
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$this->enforceRemoteClaims($event); |
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} |
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public function onRevokeAuthorization(AuthorizationEvent $event) |
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{ |
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if (count($event->getRemoteClaims()) === 0) { |
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return; |
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} |
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$this->remoteClaimManager->revokeAllAuthorizations($event->getAuthorization()); |
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} |
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private function checkHttpUri($uri) |
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{ |
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try { |
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$http = HttpUri::createFromString($uri); |
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return $http->getScheme() && $http->getHost(); |
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} catch (\Exception $e) { |
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return false; |
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} |
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} |
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private function checkTagUri($uri) |
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{ |
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try { |
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TagUri::createFromString($uri); |
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return true; |
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} catch (\Exception $e) { |
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return false; |
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} |
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} |
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private function enforceRemoteClaims(AuthorizationEvent $event) |
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{ |
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$remoteClaims = $event->getRemoteClaims(); |
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foreach ($remoteClaims as $remoteClaim) { |
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$claimName = $remoteClaim->getName(); |
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$accessToken = bin2hex(random_bytes(20)); |
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$authorization = (new RemoteClaimAuthorization()) |
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->setClient($event->getClient()) |
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->setClaimProvider($remoteClaim->getProvider()) |
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->setPerson($event->getPerson()) |
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->setClaimName($claimName) |
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->setAccessToken($accessToken); |
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$this->remoteClaimManager->enforceAuthorization($authorization); |
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} |
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} |
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} |
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PROCERGS /
login-cidadao
