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<?php |
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declare(strict_types=1); |
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namespace Facile\OpenIDClient\Issuer\Metadata\Provider; |
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use function array_key_exists; |
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use Facile\OpenIDClient\Exception\RuntimeException; |
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use function Facile\OpenIDClient\parse_metadata_response; |
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use function preg_match; |
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use Psr\Http\Client\ClientExceptionInterface; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use Psr\Http\Message\UriFactoryInterface; |
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use function rtrim; |
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use function strpos; |
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/** |
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* @psalm-import-type DiscoveryConfigurationObject from DiscoveryProviderInterface |
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*/ |
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final class DiscoveryProvider implements DiscoveryProviderInterface |
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{ |
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private const OIDC_DISCOVERY = '/.well-known/openid-configuration'; |
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private const OAUTH2_DISCOVERY = '/.well-known/oauth-authorization-server'; |
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/** @var ClientInterface */ |
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private $client; |
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/** @var RequestFactoryInterface */ |
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private $requestFactory; |
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/** @var UriFactoryInterface */ |
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private $uriFactory; |
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public function __construct( |
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ClientInterface $client, |
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RequestFactoryInterface $requestFactory, |
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UriFactoryInterface $uriFactory |
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) { |
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$this->client = $client; |
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$this->requestFactory = $requestFactory; |
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$this->uriFactory = $uriFactory; |
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3 |
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} |
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public function isAllowedUri(string $uri): bool |
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{ |
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return (int) preg_match('/https?:\/\//', $uri) > 0; |
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} |
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public function discovery(string $url): array |
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{ |
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$uri = $this->uriFactory->createUri($url); |
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$uriPath = $uri->getPath() ?: '/'; |
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if (false !== strpos($uriPath, '/.well-known/')) { |
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return $this->fetchOpenIdConfiguration((string) $uri); |
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} |
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$uris = [ |
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2 |
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$uri->withPath(rtrim($uriPath, '/') . self::OIDC_DISCOVERY), |
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$uri->withPath('/' === $uriPath |
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? self::OAUTH2_DISCOVERY |
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: rtrim($uriPath, '/') . self::OAUTH2_DISCOVERY), |
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]; |
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foreach ($uris as $wellKnownUri) { |
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try { |
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return $this->fetchOpenIdConfiguration((string) $wellKnownUri); |
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} catch (RuntimeException $e) { |
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} |
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} |
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throw new RuntimeException('Unable to fetch provider metadata'); |
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} |
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/** |
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* @param string $uri |
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* |
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* @return array<mixed, string> |
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* @psalm-return DiscoveryConfigurationObject |
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*/ |
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private function fetchOpenIdConfiguration(string $uri): array |
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{ |
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$request = $this->requestFactory->createRequest('GET', $uri) |
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->withHeader('accept', 'application/json'); |
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try { |
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/** @var DiscoveryConfigurationObject $data */ |
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$data = parse_metadata_response($this->client->sendRequest($request)); |
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} catch (ClientExceptionInterface $e) { |
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throw new RuntimeException('Unable to fetch provider metadata', 0, $e); |
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} |
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if (! array_key_exists('issuer', $data)) { |
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throw new RuntimeException('Invalid metadata content, no "issuer" key found'); |
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} |
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return $data; |
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} |
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public function fetch(string $uri): array |
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{ |
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return $this->discovery($uri); |
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} |
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} |
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facile-it /
php-openid-client
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