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<?php |
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/** |
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* @author Alex Bilbie <[email protected]> |
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* @copyright Copyright (c) Alex Bilbie |
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* @license http://mit-license.org/ |
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* |
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* @link https://github.com/thephpleague/oauth2-server |
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*/ |
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declare(strict_types=1); |
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namespace League\OAuth2\Server\AuthorizationValidators; |
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use DateInterval; |
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use DateTimeZone; |
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use Lcobucci\Clock\SystemClock; |
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use Lcobucci\JWT\Configuration; |
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use Lcobucci\JWT\Exception; |
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use Lcobucci\JWT\Signer\Key\InMemory; |
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use Lcobucci\JWT\Signer\Rsa\Sha256; |
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use Lcobucci\JWT\UnencryptedToken; |
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use Lcobucci\JWT\Validation\Constraint\LooseValidAt; |
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use Lcobucci\JWT\Validation\Constraint\SignedWith; |
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use Lcobucci\JWT\Validation\RequiredConstraintsViolated; |
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use League\OAuth2\Server\CryptKeyInterface; |
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use League\OAuth2\Server\CryptTrait; |
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use League\OAuth2\Server\Exception\OAuthServerException; |
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use League\OAuth2\Server\Repositories\AccessTokenRepositoryInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use RuntimeException; |
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use function date_default_timezone_get; |
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use function preg_replace; |
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use function trim; |
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class BearerTokenValidator implements AuthorizationValidatorInterface, JwtValidatorInterface |
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{ |
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use CryptTrait; |
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protected CryptKeyInterface $publicKey; |
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private Configuration $jwtConfiguration; |
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public function __construct(private AccessTokenRepositoryInterface $accessTokenRepository, private ?DateInterval $jwtValidAtDateLeeway = null) |
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{ |
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} |
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/** |
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* Set the public key |
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*/ |
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public function setPublicKey(CryptKeyInterface $key): void |
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{ |
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$this->publicKey = $key; |
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$this->initJwtConfiguration(); |
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} |
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/** |
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* Initialise the JWT configuration. |
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*/ |
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private function initJwtConfiguration(): void |
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{ |
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$this->jwtConfiguration = Configuration::forSymmetricSigner( |
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new Sha256(), |
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InMemory::plainText('empty', 'empty') |
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); |
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$clock = new SystemClock(new DateTimeZone(date_default_timezone_get())); |
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$publicKeyContents = $this->publicKey->getKeyContents(); |
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if ($publicKeyContents === '') { |
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throw new RuntimeException('Public key is empty'); |
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} |
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// TODO: next major release: replace deprecated method and remove phpstan ignored error |
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$this->jwtConfiguration->setValidationConstraints( |
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new LooseValidAt($clock, $this->jwtValidAtDateLeeway), |
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new SignedWith( |
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new Sha256(), |
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InMemory::plainText($publicKeyContents, $this->publicKey->getPassPhrase() ?? '') |
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) |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validateAuthorization(ServerRequestInterface $request): ServerRequestInterface |
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{ |
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if ($request->hasHeader('authorization') === false) { |
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throw OAuthServerException::accessDenied('Missing "Authorization" header'); |
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} |
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$header = $request->getHeader('authorization'); |
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$jwt = trim((string) preg_replace('/^\s*Bearer\s/i', '', $header[0])); |
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if ($jwt === '') { |
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throw OAuthServerException::accessDenied('Missing "Bearer" token'); |
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} |
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$claims = $this->validateJwt($request, $jwt); |
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// Return the request with additional attributes |
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return $request |
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->withAttribute('oauth_access_token_id', $claims['jti'] ?? null) |
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->withAttribute('oauth_client_id', $claims['aud'][0] ?? null) |
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->withAttribute('oauth_user_id', $claims['sub'] ?? null) |
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->withAttribute('oauth_scopes', $claims['scopes'] ?? null); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validateJwt(ServerRequestInterface $request, string $jwt, ?string $clientId = null): array |
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{ |
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try { |
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// Attempt to parse the JWT |
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$token = $this->jwtConfiguration->parser()->parse($jwt); |
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} catch (Exception $exception) { |
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throw OAuthServerException::accessDenied($exception->getMessage(), null, $exception); |
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} |
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try { |
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// Attempt to validate the JWT |
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$constraints = $this->jwtConfiguration->validationConstraints(); |
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$this->jwtConfiguration->validator()->assert($token, ...$constraints); |
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} catch (RequiredConstraintsViolated $exception) { |
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throw OAuthServerException::accessDenied('Access token could not be verified', null, $exception); |
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} |
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if (!$token instanceof UnencryptedToken) { |
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throw OAuthServerException::accessDenied('Access token is not an instance of UnencryptedToken'); |
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} |
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$claims = $token->claims(); |
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// Check if token is linked to the client |
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if ( |
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$clientId !== null && |
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$claims->get('client_id') !== $clientId && |
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!$token->isPermittedFor($clientId) |
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) { |
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throw OAuthServerException::accessDenied('Access token is not linked to client'); |
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} |
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// Check if token has been revoked |
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if ($this->accessTokenRepository->isAccessTokenRevoked($claims->get('jti'))) { |
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throw OAuthServerException::accessDenied('Access token has been revoked'); |
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} |
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return $claims->all(); |
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} |
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} |
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thephpleague /
oauth2-server
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths