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<?php |
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/******************************************************************************* |
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* This file is part of the GraphQL Bundle package. |
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* |
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* (c) YnloUltratech <[email protected]> |
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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 Ynlo\GraphQLBundle\Controller; |
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use GraphQL\Error\Debug; |
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use GraphQL\Error\Error; |
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use GraphQL\GraphQL; |
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use GraphQL\Validator\DocumentValidator; |
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use GraphQL\Validator\Rules; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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use Ynlo\GraphQLBundle\Error\ErrorFormatterInterface; |
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use Ynlo\GraphQLBundle\Error\ErrorHandlerInterface; |
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use Ynlo\GraphQLBundle\Error\ErrorQueue; |
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use Ynlo\GraphQLBundle\Events\GraphQLEvents; |
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use Ynlo\GraphQLBundle\Events\GraphQLOperationEvent; |
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use Ynlo\GraphQLBundle\Request\ExecuteQuery; |
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use Ynlo\GraphQLBundle\Request\RequestMiddlewareInterface; |
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use Ynlo\GraphQLBundle\Resolver\ResolverContext; |
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use Ynlo\GraphQLBundle\Schema\SchemaCompiler; |
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use Ynlo\GraphQLBundle\Security\EndpointResolver; |
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class GraphQLEndpointController |
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{ |
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/** |
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* @var EndpointResolver |
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*/ |
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protected $resolver; |
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/** |
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* @var SchemaCompiler |
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*/ |
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protected $compiler; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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protected $dispatcher; |
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/** |
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* App Config |
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* |
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* @var array |
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*/ |
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protected $config = []; |
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/** |
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* @var ErrorFormatterInterface |
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*/ |
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protected $errorFormatter; |
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/** |
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* @var ErrorHandlerInterface |
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*/ |
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protected $errorHandler; |
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/** |
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* @var bool |
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*/ |
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protected $debug = false; |
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/** |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var iterable |
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*/ |
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protected $middlewares = []; |
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/** |
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* GraphQLEndpointController constructor. |
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* |
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* @param EndpointResolver $endpointResolver |
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* @param SchemaCompiler $compiler |
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*/ |
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public function __construct(EndpointResolver $endpointResolver, SchemaCompiler $compiler) |
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{ |
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$this->resolver = $endpointResolver; |
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$this->compiler = $compiler; |
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} |
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/** |
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* @param ErrorFormatterInterface $errorFormatter |
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*/ |
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public function setErrorFormatter(ErrorFormatterInterface $errorFormatter): void |
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{ |
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$this->errorFormatter = $errorFormatter; |
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} |
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/** |
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* @param EventDispatcherInterface $dispatcher |
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*/ |
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public function setDispatcher(EventDispatcherInterface $dispatcher): void |
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{ |
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$this->dispatcher = $dispatcher; |
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} |
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/** |
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* @param ErrorHandlerInterface $errorHandler |
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*/ |
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public function setErrorHandler(ErrorHandlerInterface $errorHandler): void |
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{ |
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$this->errorHandler = $errorHandler; |
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} |
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/** |
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* @param bool $debug |
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*/ |
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public function setDebug(bool $debug): void |
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{ |
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$this->debug = $debug; |
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} |
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/** |
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* @param LoggerInterface|null $logger |
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*/ |
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public function setLogger(?LoggerInterface $logger): void |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* @param array $config |
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*/ |
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public function setConfig(array $config): void |
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{ |
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$this->config = $config; |
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} |
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/** |
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* @param iterable $middlewares |
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*/ |
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public function setMiddlewares(iterable $middlewares): void |
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{ |
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$this->middlewares = $middlewares; |
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} |
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public function __invoke(Request $request): JsonResponse |
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{ |
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$operationEvent = null; |
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if (!$this->debug && $request->getMethod() !== Request::METHOD_POST) { |
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throw new HttpException(Response::HTTP_BAD_REQUEST, 'The method should be POST to talk with GraphQL API'); |
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} |
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try { |
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$query = new ExecuteQuery(); |
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foreach ($this->middlewares as $middleware) { |
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if ($middleware instanceof RequestMiddlewareInterface) { |
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$middleware->processRequest($request, $query); |
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} |
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} |
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$endpoint = $this->resolver->resolveEndpoint($request); |
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if (!$endpoint) { |
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throw new AccessDeniedHttpException(); |
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} |
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if ($this->dispatcher) { |
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$operationEvent = new GraphQLOperationEvent($query, $endpoint); |
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$this->dispatcher->dispatch(GraphQLEvents::OPERATION_START, $operationEvent); |
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} |
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$context = new ResolverContext($endpoint); |
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$validationRules = null; |
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$schema = $this->compiler->compile($endpoint); |
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$schema->assertValid(); |
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$result = GraphQL::executeQuery( |
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$schema, |
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$query->getRequestString(), |
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null, |
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$context, |
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$query->getVariables(), |
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$query->getOperationName(), |
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null, |
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$validationRules |
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); |
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//https://webonyx.github.io/graphql-php/error-handling/ |
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$formatter = $this->errorFormatter; |
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$handler = $this->errorHandler; |
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//get queued errors |
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$exceptions = ErrorQueue::all(); |
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foreach ($exceptions as $exception) { |
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$result->errors[] = Error::createLocatedError($exception); |
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} |
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$result->setErrorFormatter([$formatter, 'format']); |
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$result->setErrorsHandler( |
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function ($errors) use ($handler, $formatter) { |
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return $handler->handle($errors, $formatter, $this->getDebugMode()); |
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} |
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); |
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$output = $result->toArray($this->getDebugMode()); |
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$statusCode = Response::HTTP_OK; |
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} catch (\Exception $e) { |
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$error = Error::createLocatedError($e); |
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$errors = $this->errorHandler->handle([$error], $this->errorFormatter, $this->debug); |
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if ($e instanceof HttpException) { |
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$statusCode = $e->getStatusCode(); |
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} else { |
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$statusCode = Response::HTTP_INTERNAL_SERVER_ERROR; |
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} |
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$output = [ |
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'errors' => $errors, |
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]; |
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} |
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if ($this->dispatcher && $operationEvent) { |
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$this->dispatcher->dispatch(GraphQLEvents::OPERATION_END, $operationEvent); |
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} |
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return JsonResponse::create($output, $statusCode); |
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} |
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public function addGlobalValidationRules(array $validationRules): void |
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{ |
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$rules = []; |
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if (!empty($validationRules['query_complexity'])) { |
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$rules[] = new Rules\QueryComplexity($validationRules['query_complexity']); |
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} |
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if (!empty($validationRules['query_depth'])) { |
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$rules[] = new Rules\QueryDepth($validationRules['query_depth']); |
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} |
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if (!empty($validationRules['disable_introspection'])) { |
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$rules[] = new Rules\DisableIntrospection(); |
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} |
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array_map([DocumentValidator::class, 'addRule'], $rules); |
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} |
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/** |
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* @return bool|int |
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*/ |
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private function getDebugMode() |
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{ |
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if (!$this->debug) { |
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// in case of debug = false |
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// If API_DEBUG is passed, output of error formatter is enriched which debugging information. |
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// Helpful for tests to get full error logs without the need of enable full app debug flag |
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if (isset($_ENV['API_DEBUG'])) { |
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$this->debug = $_ENV['API_DEBUG']; |
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} elseif (isset($_SERVER['API_DEBUG'])) { |
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$this->debug = $_SERVER['API_DEBUG']; |
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} |
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} |
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$debugFlags = false; |
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if ($this->debug) { |
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if ($this->config['error_handling']['show_trace'] ?? true) { |
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$debugFlags = Debug::INCLUDE_DEBUG_MESSAGE | Debug::INCLUDE_TRACE; |
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} else { |
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$debugFlags = Debug::INCLUDE_DEBUG_MESSAGE; |
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} |
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} |
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return $debugFlags; |
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} |
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} |
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