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<?php |
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namespace SMartins\Exceptions\Handlers; |
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use Exception; |
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use InvalidArgumentException; |
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use Illuminate\Support\Collection; |
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use SMartins\Exceptions\JsonApi\Error; |
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use SMartins\Exceptions\JsonApi\Response; |
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use Illuminate\Auth\AuthenticationException; |
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use Illuminate\Validation\ValidationException; |
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use SMartins\Exceptions\JsonApi\ErrorCollection; |
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use Illuminate\Auth\Access\AuthorizationException; |
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use Illuminate\Database\Eloquent\ModelNotFoundException; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
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abstract class AbstractHandler |
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{ |
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/** |
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* The exception thrown. |
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* |
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* @var \Exception |
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*/ |
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protected $exception; |
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/** |
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* An array where the key is the class exception and the value is the handler |
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* class that will treat the exception. |
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* |
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* @var array |
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*/ |
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protected $exceptionHandlers = []; |
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/** |
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* An internal array where the key is the exception class and the value is |
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* the handler class that will treat the exception. |
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* |
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* @var array |
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*/ |
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protected $internalExceptionHandlers = [ |
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Exception::class => Handler::class, |
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ModelNotFoundException::class => ModelNotFoundHandler::class, |
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AuthenticationException::class => AuthenticationHandler::class, |
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AuthorizationException::class => AuthorizationHandler::class, |
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AuthorizationException::class => AuthorizationHandler::class, |
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ValidationException::class => ValidationHandler::class, |
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BadRequestHttpException::class => BadRequestHttpHandler::class, |
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NotFoundHttpException::class => NotFoundHttpHandler::class, |
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'Laravel\Passport\Exceptions\MissingScopeException' => MissingScopeHandler::class, |
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'League\OAuth2\Server\Exception\OAuthServerException' => OAuthServerHandler::class, |
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]; |
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/** |
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* Create instance using the Exception to be handled. |
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* |
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* @param Exception $e |
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*/ |
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public function __construct(Exception $e) |
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{ |
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$this->exception = $e; |
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} |
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/** |
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* Handle with an exception according to specific definitions. Returns one |
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* or more errors using the exception from $exceptions attribute. |
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* |
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* @todo Change the return type to any interface to make more extensible. |
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* |
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* @return \SMartins\Exceptions\JsonApi\Error|\Smartins\Exceptions\JsonApi\ErrorCollection |
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*/ |
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abstract public function handle(); |
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/** |
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* Get error code. If code is empty from config file based on type. |
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* |
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* @param string $type Code type from config file |
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* @return int |
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*/ |
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public function getCode($type = 'default') |
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{ |
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$code = $this->exception->getCode(); |
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if (empty($this->exception->getCode())) { |
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$code = config('json-exception-handler.codes.'.$type); |
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} |
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return $code; |
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} |
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/** |
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* Return response with handled exception. |
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* |
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* @return \SMartins\Exceptions\JsonApi\Response |
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*/ |
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public function handleException() |
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{ |
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$handler = $this->getExceptionHandler(); |
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$errors = $this->validatedHandledException($handler->handle()); |
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return new Response($errors); |
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} |
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/** |
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* Validate response from handle method of handler class. |
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* |
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* @param \SMartins\Exceptions\JsonApi\Error|\Smartins\Exceptions\JsonApi\ErrorCollection $errors |
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* @return \SMartins\Exceptions\JsonApi\ErrorCollection |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function validatedHandledException($errors) |
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{ |
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if ($errors instanceof ErrorCollection) { |
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return $errors->validated(); |
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} elseif ($errors instanceof Error) { |
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return (new ErrorCollection([$errors]))->setStatusCode($errors->getStatus()); |
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} |
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throw new InvalidArgumentException('The errors must be an instance of ['.Error::class.'] or ['.ErrorCollection::class.'].'); |
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} |
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/** |
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* Get the class the will handle the Exception from exceptionHandlers attributes. |
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* |
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* @return mixed |
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*/ |
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public function getExceptionHandler() |
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{ |
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$handlers = array_merge($this->exceptionHandlers, $this->internalExceptionHandlers); |
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$handler = isset($handlers[get_class($this->exception)]) |
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? $handlers[get_class($this->exception)] |
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: $this->defaultHandler(); |
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return new $handler($this->exception); |
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} |
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/** |
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* Get default pointer using file and line of exception. |
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* |
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* @return string |
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*/ |
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public function getDefaultPointer() |
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{ |
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return $this->exception->getFile().':'.$this->exception->getLine(); |
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} |
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/** |
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* Get default title from exception. |
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* |
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* @return string |
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*/ |
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public function getDefaultTitle() |
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{ |
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return snake_case(class_basename($this->exception)); |
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} |
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/** |
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* Get default http code. Check if exception has getStatusCode() methods. |
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* If not get from config file. |
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* |
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* @return int |
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*/ |
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public function getStatusCode() |
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{ |
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if (method_exists($this->exception, 'getStatusCode')) { |
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return $this->exception->getStatusCode(); |
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} |
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return config('json-exception-handler.http_code'); |
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} |
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/** |
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* The default handler to handle not treated exceptions. |
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* |
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* @return \SMartins\Exceptions\Handlers\Handler |
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*/ |
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public function defaultHandler() |
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{ |
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return new Handler($this->exception); |
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} |
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} |
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