public static function error(\Exception $e)
{
$app = Slim::getInstance();
if ($e instanceof APIException) {
$app->log->addError("API error [{$e->getHTTPCode()}][{$e->getCode()}]: " . print_r(['error' => $e->getErrors()], 1));
$app->halt($e->getHTTPCode(), json_encode(['error' => $e->getErrors()], JSON_FORCE_OBJECT));
} else {
$app->log->addError("API error [500][{$e->getCode()}]: {$e->getMessage()} \n {$e->getTraceAsString()}");
$app->syslog->addError("API error [500][{$e->getCode()}]: {$e->getMessage()} \n {$e->getTraceAsString()}");
if ($app->config('mode') == 'development') {
self::registerWhoops();
$app->whoops->handleException($e);
}
$app->halt(500);
}
}
/**
* Renders the exception.
* @param \Exception $exception the exception to be rendered.
*/
protected function renderException($exception)
{
//如果存在未提交的事务，则对事务进行回滚
$transaction = Yii::$app->db->getTransaction();
if ($transaction) {
$transaction->rollback();
}
//对返回内容进行渲染
if (Yii::$app->has('response')) {
$response = Yii::$app->getResponse();
// reset parameters of response to avoid interference with partially created response data
// in case the error occurred while sending the response.
$response->isSent = false;
$response->stream = null;
$response->data = null;
$response->content = null;
} else {
$response = new Response();
}
$useErrorView = $response->format === Response::FORMAT_HTML && !YII_DEBUG;
//如果是用户定义的异常，则需要将异常错误信息抛出,如果是接口类型的并且有model类型的错误
if ($useErrorView) {
if ($this->errorAction !== null) {
$result = Yii::$app->runAction($this->errorAction);
if ($result instanceof Response) {
$result = $result;
} else {
$result->data = $result;
}
} else {
//在没有默认异常处理action的情况下，直接渲染文件
$file = $useErrorView ? $this->errorView : $this->exceptionView;
$responseData = $this->renderFile($file, ['exception' => $exception]);
}
} else {
if ($response->format === Response::FORMAT_JSON || $response->format === Response::FORMAT_XML) {
$response->data = ['code' => $exception->getCode(), 'message' => $exception->getMessage()];
if ($exception instanceof LBUserException) {
$response->data['errors'] = $exception->getErrors();
}
} else {
$response->data = $this->convertExceptionToArray($exception);
}
}
//调试状态状态码为500, 非调试状态不抛出异常
if (!YII_DEBUG || $exception instanceof LBUserException) {
$response->setStatusCode(200);
} else {
$response->setStatusCode(500);
}
$response->send();
}
/**
* Mask actual exception for security reasons in case when it should not be exposed to API clients.
*
* Convert any exception into \Magento\Webapi\Exception.
*
* @param \Exception $exception Exception to convert to a WebAPI exception
*
* @return WebapiException
*/
public function maskException(\Exception $exception)
{
$isDevMode = $this->_appState->getMode() === State::MODE_DEVELOPER;
$stackTrace = $isDevMode ? $exception->getTraceAsString() : null;
if ($exception instanceof LocalizedException) {
// Map HTTP codes for LocalizedExceptions according to exception type
if ($exception instanceof NoSuchEntityException) {
$httpCode = WebapiException::HTTP_NOT_FOUND;
} elseif ($exception instanceof AuthorizationException || $exception instanceof AuthenticationException) {
$httpCode = WebapiException::HTTP_UNAUTHORIZED;
} else {
// Input, Expired, InvalidState exceptions will fall to here
$httpCode = WebapiException::HTTP_BAD_REQUEST;
}
if ($exception instanceof AbstractAggregateException) {
$errors = $exception->getErrors();
} else {
$errors = null;
}
$maskedException = new WebapiException($exception->getRawMessage(), $exception->getCode(), $httpCode, $exception->getParameters(), get_class($exception), $errors, $stackTrace);
} elseif ($exception instanceof WebapiException) {
$maskedException = $exception;
} else {
$message = $exception->getMessage();
$code = $exception->getCode();
//if not in Dev mode, make sure the message and code is masked for unanticipated exceptions
if (!$isDevMode) {
/** Log information about actual exception */
$reportId = $this->_critical($exception);
$message = sprintf(self::INTERNAL_SERVER_ERROR_MSG, $reportId);
$code = 0;
}
$maskedException = new WebapiException($message, $code, WebapiException::HTTP_INTERNAL_ERROR, [], '', null, $stackTrace);
}
return $maskedException;
}
