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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\Fetcher; |
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use Doctrine\ORM\EntityManagerInterface; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\TransferException; |
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use LoginCidadao\LogBundle\Traits\LoggerAwareTrait; |
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use LoginCidadao\OAuthBundle\Entity\ClientRepository; |
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use LoginCidadao\OAuthBundle\Model\ClientInterface; |
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use LoginCidadao\OpenIDBundle\Manager\ClientManager; |
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use LoginCidadao\RemoteClaimsBundle\Entity\RemoteClaim; |
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use LoginCidadao\RemoteClaimsBundle\Entity\RemoteClaimRepository; |
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use LoginCidadao\RemoteClaimsBundle\Event\UpdateRemoteClaimUriEvent; |
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use LoginCidadao\RemoteClaimsBundle\Exception\ClaimProviderNotFoundException; |
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use LoginCidadao\RemoteClaimsBundle\Exception\ClaimUriUnavailableException; |
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use LoginCidadao\RemoteClaimsBundle\Model\ClaimProviderInterface; |
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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\TagUri; |
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use LoginCidadao\RemoteClaimsBundle\Parser\RemoteClaimParser; |
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use LoginCidadao\OAuthBundle\Entity\Client as ClaimProvider; |
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use LoginCidadao\RemoteClaimsBundle\RemoteClaimEvents; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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class RemoteClaimFetcher implements RemoteClaimFetcherInterface |
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{ |
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use LoggerAwareTrait; |
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/** @var Client */ |
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private $httpClient; |
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/** @var RemoteClaimRepository */ |
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private $claimRepo; |
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/** @var ClientManager */ |
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private $clientManager; |
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/** @var EntityManagerInterface */ |
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private $em; |
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/** @var EventDispatcherInterface */ |
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private $dispatcher; |
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/** |
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* RemoteClaimFetcher constructor. |
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* @param Client $httpClient |
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* @param EntityManagerInterface $em |
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* @param RemoteClaimRepository $claimRepository |
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* @param ClientManager $clientManager |
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* @param EventDispatcherInterface $dispatcher |
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*/ |
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public function __construct( |
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Client $httpClient, |
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EntityManagerInterface $em, |
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RemoteClaimRepository $claimRepository, |
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ClientManager $clientManager, |
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EventDispatcherInterface $dispatcher |
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) { |
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$this->em = $em; |
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$this->httpClient = $httpClient; |
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$this->claimRepo = $claimRepository; |
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$this->clientManager = $clientManager; |
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$this->dispatcher = $dispatcher; |
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} |
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public function fetchRemoteClaim($claimUri) |
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{ |
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try { |
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$uri = HttpUri::createFromString($claimUri); |
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} catch (\Exception $e) { |
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$claimName = TagUri::createFromString($claimUri); |
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try { |
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$uri = $this->discoverClaimUri($claimName); |
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} catch (ClaimUriUnavailableException $e) { |
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throw new NotFoundHttpException(); |
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} |
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} |
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try { |
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$response = $this->httpClient->get($uri); |
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$body = $response->getBody()->__toString(); |
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$remoteClaim = RemoteClaimParser::parseClaim($body, new RemoteClaim(), new ClaimProvider()); |
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return $remoteClaim; |
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} catch (\Exception $e) { |
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throw new NotFoundHttpException(); |
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} |
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} |
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/** |
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* @param TagUri|string $claimName |
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* @return string |
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*/ |
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public function discoverClaimUri($claimName) |
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{ |
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if (!$claimName instanceof TagUri) { |
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$claimName = TagUri::createFromString($claimName); |
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} |
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$uri = $this->performDiscovery($claimName); |
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if ($uri === false) { |
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$uri = $this->discoveryFallback($claimName); |
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} else { |
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$event = new UpdateRemoteClaimUriEvent($claimName, $uri); |
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$this->dispatcher->dispatch(RemoteClaimEvents::REMOTE_CLAIM_UPDATE_URI, $event); |
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} |
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return $uri; |
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} |
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/** |
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* @param TagUri|string $claimName |
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* @return mixed |
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*/ |
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private function performDiscovery(TagUri $claimName) |
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{ |
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$uri = HttpUri::createFromComponents([ |
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'scheme' => 'https', |
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'host' => $claimName->getAuthorityName(), |
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'path' => '/.well-known/webfinger', |
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'query' => http_build_query([ |
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'resource' => $claimName->__toString(), |
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'rel' => 'http://openid.net/specs/connect/1.0/claim', |
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]), |
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]); |
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try { |
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$response = $this->httpClient->get($uri->__toString()); |
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$json = json_decode($response->getBody()); |
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if (property_exists($json, 'links')) { |
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foreach ($json->links as $link) { |
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if ($link->rel === 'http://openid.net/specs/connect/1.0/claim' |
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&& $json->subject === $claimName->__toString()) { |
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return $link->href; |
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} |
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} |
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} |
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} catch (TransferException $e) { |
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return false; |
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} |
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return false; |
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} |
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/** |
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* @param $claimName |
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* @return string |
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*/ |
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private function discoveryFallback(TagUri $claimName) |
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{ |
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$remoteClaim = $this->getExistingRemoteClaim($claimName); |
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if (!$remoteClaim instanceof RemoteClaimInterface || $remoteClaim->getUri() === null) { |
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throw new ClaimUriUnavailableException(); |
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} |
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return $remoteClaim->getUri(); |
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} |
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/** |
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* Fetches a RemoteClaimInterface via <code>fetchRemoteClaim</code>, persisting and returning the result. |
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* @param TagUri|string $claimUri |
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* @return RemoteClaimInterface |
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* @throws ClaimProviderNotFoundException |
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*/ |
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public function getRemoteClaim($claimUri) |
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{ |
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$remoteClaim = $this->fetchRemoteClaim($claimUri); |
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$existingClaim = $this->getExistingRemoteClaim($remoteClaim->getName()); |
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if ($existingClaim instanceof RemoteClaimInterface) { |
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$existingClaim |
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->setDescription($remoteClaim->getDescription()) |
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->setRecommendedScope($remoteClaim->getRecommendedScope()) |
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->setEssentialScope($remoteClaim->getEssentialScope()) |
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->setDisplayName($remoteClaim->getDisplayName()); |
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$remoteClaim = $existingClaim; |
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$newClaim = false; |
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} else { |
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$newClaim = true; |
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} |
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$provider = $this->findClaimProvider($remoteClaim->getProvider()->getClientId()); |
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if ($provider instanceof ClaimProviderInterface) { |
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$remoteClaim->setProvider($provider); |
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} |
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if ($newClaim) { |
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$this->em->persist($remoteClaim); |
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} |
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$this->em->flush(); |
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return $remoteClaim; |
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} |
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/** |
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* @param TagUri $claimName |
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* @return RemoteClaimInterface|null |
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*/ |
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private function getExistingRemoteClaim(TagUri $claimName) |
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{ |
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/** @var RemoteClaimInterface|null $remoteClaim */ |
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$remoteClaim = $this->claimRepo->findOneBy(['name' => $claimName]); |
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return $remoteClaim; |
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} |
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/** |
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* @param string $clientId |
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* @return ClientInterface |
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* @throws ClaimProviderNotFoundException |
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*/ |
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private function findClaimProvider($clientId) |
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{ |
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$client = $this->clientManager->getClientById($clientId); |
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if (!$client instanceof ClaimProviderInterface) { |
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throw new ClaimProviderNotFoundException('Relying Party "'.$clientId.'" not found.'); |
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} |
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return $client; |
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} |
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} |
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PROCERGS /
login-cidadao
