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<?php |
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declare(strict_types=1); |
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namespace AbterPhp\Admin\Http\Middleware; |
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use AbterPhp\Admin\Domain\Entities\User; |
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use AbterPhp\Admin\Orm\UserRepo; |
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use AbterPhp\Admin\Psr7\RequestConverter; |
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use Closure; |
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use Exception; |
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use League\OAuth2\Server\Exception\OAuthServerException; |
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use League\OAuth2\Server\ResourceServer; |
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use Opulence\Http\Requests\Request; |
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use Opulence\Http\Responses\Response; |
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use Opulence\Orm\OrmException; |
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use Opulence\Routing\Middleware\IMiddleware; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Log\LoggerInterface; |
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class Api implements IMiddleware |
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{ |
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public const ATTRIBUTE_USER_ID = 'oauth_user_id'; |
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public const ATTRIBUTE_CLIENT_ID = 'oauth_client_id'; |
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public const HEADER_USER_ID = 'xxx-user-id'; |
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public const HEADER_USER_USERNAME = 'xxx-user-username'; |
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protected ResourceServer $resourceServer; |
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protected RequestConverter $requestConverter; |
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protected UserRepo $userRepo; |
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protected LoggerInterface $logger; |
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protected string $problemBaseUrl; |
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/** |
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* Api constructor. |
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* |
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* @param ResourceServer $resourceServer |
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* @param RequestConverter $requestConverter |
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* @param UserRepo $userRepo |
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* @param LoggerInterface $logger |
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* @param string $problemBaseUrl |
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*/ |
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public function __construct( |
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ResourceServer $resourceServer, |
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RequestConverter $requestConverter, |
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UserRepo $userRepo, |
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LoggerInterface $logger, |
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string $problemBaseUrl |
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) { |
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$this->resourceServer = $resourceServer; |
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$this->requestConverter = $requestConverter; |
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$this->userRepo = $userRepo; |
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$this->logger = $logger; |
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$this->problemBaseUrl = $problemBaseUrl; |
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} |
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// TODO: Check error response formats |
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// $next consists of the next middleware in the pipeline |
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public function handle(Request $request, Closure $next): Response |
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{ |
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$psr7Request = $this->requestConverter->toPsr($request); |
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try { |
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$psr7Request = $this->resourceServer->validateAuthenticatedRequest($psr7Request); |
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} catch (OAuthServerException $e) { |
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return $this->createResponse($e); |
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} catch (Exception $e) { |
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return $this->createResponse(new OAuthServerException($e->getMessage(), 0, 'unknown_error', 500)); |
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} |
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try { |
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$user = $this->getUser($psr7Request); |
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if (null === $user) { |
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throw new Exception('Unexpected user retrieval error'); |
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} |
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} catch (Exception $e) { |
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return $this->createResponse(new OAuthServerException($e->getMessage(), 0, 'unknown_error', 500)); |
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} |
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// This is a workaround as Opulence request doesn't have a straight-forward way of storing internal data |
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$headers = $request->getHeaders(); |
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$headers[static::HEADER_USER_ID] = $user->getId(); |
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$headers[static::HEADER_USER_USERNAME] = $user->getUsername(); |
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return $next($request); |
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} |
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/** |
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* @param OAuthServerException $e |
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* |
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* @return Response |
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*/ |
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protected function createResponse(OAuthServerException $e): Response |
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{ |
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$status = $e->getHttpStatusCode(); |
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$content = [ |
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'type' => sprintf('%srequest-authentication-failure', $this->problemBaseUrl), |
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'title' => 'Access Denied', |
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'status' => $status, |
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'detail' => $e->getMessage(), |
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]; |
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$response = new Response(); |
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$response->setStatusCode($status); |
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$response->setContent(json_encode($content)); |
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return $response; |
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} |
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/** |
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* @param ServerRequestInterface $psr7Request |
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* |
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* @return User|null |
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* @throws OrmException |
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*/ |
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protected function getUser(ServerRequestInterface $psr7Request): ?User |
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{ |
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$user = $this->getUserByUserId($psr7Request); |
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if ($user) { |
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return $user; |
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} |
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return $this->getUserByClientId($psr7Request); |
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} |
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/** |
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* @param ServerRequestInterface $psr7Request |
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* |
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* @return User|null |
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* @throws OrmException |
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*/ |
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protected function getUserByUserId(ServerRequestInterface $psr7Request): ?User |
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{ |
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$userId = $psr7Request->getAttribute(static::ATTRIBUTE_USER_ID); |
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if (!$userId) { |
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return null; |
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} |
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return $this->userRepo->getById($userId); |
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} |
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/** |
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* @param ServerRequestInterface $psr7Request |
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* |
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* @return User|null |
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* @throws OrmException |
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*/ |
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protected function getUserByClientId(ServerRequestInterface $psr7Request): ?User |
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{ |
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$clientId = $psr7Request->getAttribute(static::ATTRIBUTE_CLIENT_ID); |
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if (!$clientId) { |
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return null; |
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} |
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return $this->userRepo->getByClientId($clientId); |
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} |
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} |
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abterphp /
admin
