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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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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 Overblog\GraphQLBundle\Error; |
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use GraphQL\Error; |
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use GraphQL\Executor\ExecutionResult; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use Psr\Log\LogLevel; |
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class ErrorHandler |
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{ |
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const DEFAULT_ERROR_MESSAGE = 'Internal server Error'; |
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const DEFAULT_USER_WARNING_CLASS = 'Overblog\\GraphQLBundle\\Error\\UserWarning'; |
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const DEFAULT_USER_ERROR_CLASS = 'Overblog\\GraphQLBundle\\Error\\UserError'; |
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/** @var LoggerInterface */ |
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private $logger; |
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/** @var string */ |
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private $internalErrorMessage; |
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/** @var array */ |
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private $exceptionMap; |
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/** @var string */ |
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private $userWarningClass = self::DEFAULT_USER_WARNING_CLASS; |
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/** @var string */ |
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private $userErrorClass = self::DEFAULT_USER_ERROR_CLASS; |
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public function __construct($internalErrorMessage = null, LoggerInterface $logger = null, array $exceptionMap = []) |
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{ |
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$this->logger = (null === $logger) ? new NullLogger() : $logger; |
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if (empty($internalErrorMessage)) { |
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$internalErrorMessage = self::DEFAULT_ERROR_MESSAGE; |
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} |
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$this->internalErrorMessage = $internalErrorMessage; |
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$this->exceptionMap = $exceptionMap; |
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} |
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public function setUserWarningClass($userWarningClass) |
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{ |
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$this->userWarningClass = $userWarningClass; |
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return $this; |
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} |
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public function setUserErrorClass($userErrorClass) |
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{ |
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$this->userErrorClass = $userErrorClass; |
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return $this; |
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} |
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/** |
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* @param Error[] $errors |
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* @param bool $throwRawException |
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* |
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* @return array |
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* |
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* @throws \Exception |
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*/ |
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protected function treatExceptions(array $errors, $throwRawException) |
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{ |
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$treatedExceptions = [ |
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'errors' => [], |
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'extensions' => [ |
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'warnings' => [], |
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], |
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]; |
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/** @var Error $error */ |
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foreach ($errors as $error) { |
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$rawException = $this->convertException($error->getPrevious()); |
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// Parse error or user error |
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if (null === $rawException) { |
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$treatedExceptions['errors'][] = $error; |
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continue; |
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} |
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// user error |
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if ($rawException instanceof $this->userErrorClass) { |
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$treatedExceptions['errors'][] = $error; |
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if ($rawException->getPrevious()) { |
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$this->logException($rawException->getPrevious()); |
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} |
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continue; |
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} |
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// user warning |
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if ($rawException instanceof $this->userWarningClass) { |
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$treatedExceptions['extensions']['warnings'][] = $error; |
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if ($rawException->getPrevious()) { |
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$this->logException($rawException->getPrevious(), LogLevel::WARNING); |
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} |
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continue; |
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} |
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// multiple errors |
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if ($rawException instanceof UserErrors) { |
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$rawExceptions = $rawException; |
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foreach ($rawExceptions->getErrors() as $rawException) { |
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$treatedExceptions['errors'][] = Error::createLocatedError($rawException, $error->nodes); |
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} |
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continue; |
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} |
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// if is a try catch exception wrapped in Error |
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if ($throwRawException) { |
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throw $rawException; |
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} |
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$this->logException($rawException, LogLevel::CRITICAL); |
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$treatedExceptions['errors'][] = new Error( |
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$this->internalErrorMessage, |
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$error->nodes, |
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$rawException, |
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$error->getSource(), |
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$error->getPositions() |
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); |
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} |
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return $treatedExceptions; |
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} |
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public function logException(\Exception $exception, $errorLevel = LogLevel::ERROR) |
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{ |
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$message = sprintf( |
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'%s: %s[%d] (caught exception) at %s line %s.', |
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get_class($exception), |
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$exception->getMessage(), |
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$exception->getCode(), |
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$exception->getFile(), |
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$exception->getLine() |
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); |
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$this->logger->$errorLevel($message, ['exception' => $exception]); |
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} |
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public function handleErrors(ExecutionResult $executionResult, $throwRawException = false) |
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{ |
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$exceptions = $this->treatExceptions($executionResult->errors, $throwRawException); |
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$executionResult->errors = $exceptions['errors']; |
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if (!empty($exceptions['extensions']['warnings'])) { |
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$executionResult->extensions['warnings'] = array_map(['GraphQL\Error', 'formatError'], $exceptions['extensions']['warnings']); |
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} |
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} |
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/** |
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* Tries to convert a raw exception into a user warning or error |
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* that is displayed to the user. |
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* |
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* @param \Exception $rawException |
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* |
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* @return \Exception |
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*/ |
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protected function convertException(\Exception $rawException = null) |
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{ |
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if (null === $rawException) { |
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return; |
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} |
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if (!empty($this->exceptionMap[get_class($rawException)])) { |
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$errorClass = $this->exceptionMap[get_class($rawException)]; |
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return new $errorClass($rawException->getMessage(), $rawException->getCode(), $rawException); |
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} |
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return $rawException; |
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} |
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} |
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overblog /
GraphQLBundle
