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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 LoginCidadao\OAuthBundle\Entity\ClientRepository; |
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use LoginCidadao\OAuthBundle\Model\ClientInterface; |
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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\Exception\ClaimProviderNotFoundException; |
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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 Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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class RemoteClaimFetcher implements RemoteClaimFetcherInterface |
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{ |
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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 ClientRepository */ |
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private $clientRepo; |
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/** @var EntityManagerInterface */ |
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private $em; |
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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 ClientRepository $clientRepository |
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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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ClientRepository $clientRepository |
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) { |
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$this->em = $em; |
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$this->httpClient = $httpClient; |
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$this->claimRepo = $claimRepository; |
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$this->clientRepo = $clientRepository; |
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} |
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public function fetchRemoteClaim($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($claimUri); |
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$uri = $this->discoverClaimUri($claimName); |
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} |
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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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} |
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/** |
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* @param TagUri $claimName |
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* @return string |
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*/ |
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public function discoverClaimUri(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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'query' => http_build_query([ |
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'resource' => $claimName, |
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'rel' => 'http://openid.net/specs/connect/1.0/claim', |
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]), |
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]); |
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$response = $this->httpClient->get($uri->__toString()); |
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$json = json_decode($response->getBody()); |
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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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throw new NotFoundHttpException("Couldn't find the Claim's URI"); |
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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 $claimUri |
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* @return RemoteClaimInterface |
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*/ |
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public function getRemoteClaim($claimUri) |
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{ |
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$remoteClaim = $this->fetchRemoteClaim($claimUri); |
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$existingClaim = $this->claimRepo->findOneBy(['name' => $remoteClaim->getName()]); |
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if ($existingClaim instanceof RemoteClaimInterface) { |
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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 = $this->getExistingClaimProvider($remoteClaim->getProvider()); |
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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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$this->em->flush(); |
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} |
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return $remoteClaim; |
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} |
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/** |
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* @param string[] $redirectUris |
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* @return ClientInterface |
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*/ |
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private function findClaimProvider($redirectUris) |
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{ |
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$clients = $this->clientRepo->findByRedirectUris($redirectUris); |
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if (count($clients) > 1) { |
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throw new \InvalidArgumentException('Ambiguous redirect_uris. More than one Relying Party found.'); |
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} |
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return reset($clients); |
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} |
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/** |
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* Gets the persisted/ORM-attached ClaimProvider |
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* @param ClaimProviderInterface|null $provider |
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* @return ClientInterface|null |
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* @throws ClaimProviderNotFoundException |
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*/ |
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private function getExistingClaimProvider(ClaimProviderInterface $provider = null) |
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{ |
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$existingProvider = null; |
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if ($provider instanceof ClaimProviderInterface) { |
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$existingProvider = $this->findClaimProvider($provider->getRedirectUris()); |
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} |
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if ($existingProvider instanceof ClaimProviderInterface) { |
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return $existingProvider; |
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} |
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// No pre-existing provider was found. Throw Exception! |
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throw new ClaimProviderNotFoundException( |
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"A Claim Provider was not found. This Identity Provider does NOT support Dynamic Claim Provider registration, so make sure it is already registered." |
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); |
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} |
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} |
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PROCERGS /
login-cidadao
