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<?php |
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namespace Staticus\Middlewares; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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use Psr\Http\Message\ResponseInterface as Response; |
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use Staticus\Config\ConfigInterface; |
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use Staticus\Config\Config; |
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use Staticus\Diactoros\Response\NotFoundResponse; |
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use Staticus\Exceptions\ExceptionCodes; |
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use Staticus\Exceptions\ResourceNotFoundException; |
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use Staticus\Exceptions\WrongRequestException; |
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use Staticus\Resources\ResourceDOInterface; |
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use Zend\Diactoros\Response\JsonResponse; |
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class ErrorHandler |
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{ |
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/** |
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* @var ConfigInterface|Config |
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*/ |
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private $config; |
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public function __construct(ConfigInterface $config) |
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{ |
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$this->config = $config; |
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} |
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public function __invoke($error, Request $request, Response $response, callable $next) |
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{ |
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/* |
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If $error is not an exception, it will use the response status if it already indicates an error |
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(ie., >= 400 status), or will use a 500 status, and return the response directly with the reason phrase. |
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*/ |
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if ($error instanceof \Exception) { |
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$className = $error->getTrace(); |
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if (isset($className[0]['class'])) { |
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$className = $className[0]['class']; |
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} |
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if ($error instanceof ResourceNotFoundException) { |
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$error = $this->getErrorArray($error->getMessage(), $this->getErrorCode($error, $className), $error->getResourceDO()); |
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return new NotFoundResponse($error); |
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} else if ($error instanceof WrongRequestException) { |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return $this->response(400, $error->getMessage(), |
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ExceptionCodes::code($className) . '.' . $error->getCode()); |
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} else { |
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$message = $this->config->get('error_handler', false) |
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? $error->getMessage() |
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: 'Internal error'; |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return $this->response(503, $message, $this->getErrorCode($error, $className)); |
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} |
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} else { |
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$next($request, $response, $next); |
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} |
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} |
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protected function response($status, $message, $code) |
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{ |
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$error = $this->getErrorArray($message, $code); |
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return new JsonResponse($error, $status); |
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} |
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/** |
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* @param $message |
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* @param $code |
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* @param ResourceDOInterface $resourceDO |
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* @return array |
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*/ |
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protected function getErrorArray($message, $code, ResourceDOInterface $resourceDO = null) |
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{ |
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$error = [ |
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'error' => [ |
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'title' => $message, |
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'code' => $code, |
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], |
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]; |
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if ($resourceDO) { |
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$error['error']['detail']['resource'] = $resourceDO->toArray(); |
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} |
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return $error; |
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} |
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/** |
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* @param $error |
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* @param $className |
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* @return string |
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*/ |
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protected function getErrorCode($error, $className) |
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{ |
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return $error->getCode() . '.' . ExceptionCodes::code($className) . '.' . $error->getLine(); |
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} |
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} |
KIVagant /
staticus-core
