public override void OnException(ExceptionContext context)
{
var errorMessage = "An error has occurred.";
var exception = context.Exception;
if (exception == null)
{
// Should never happen.
return;
}
PublicApi.ErrorResponseModel publicErrorModel = null;
InternalApi.ErrorResponseModel internalErrorModel = null;
if (exception is BadRequestException badRequestException)
{
context.HttpContext.Response.StatusCode = 400;
if (badRequestException.ModelState != null)
{
if (_publicApi)
{
publicErrorModel = new PublicApi.ErrorResponseModel(badRequestException.ModelState);
}
else
{
internalErrorModel = new InternalApi.ErrorResponseModel(badRequestException.ModelState);
}
}
else
{
errorMessage = badRequestException.Message;
}
}
else if (exception is StripeException stripeException &&
stripeException?.StripeError?.ErrorType == "card_error")
{
context.HttpContext.Response.StatusCode = 400;
if (_publicApi)
{
publicErrorModel = new PublicApi.ErrorResponseModel(stripeException.StripeError.Parameter,
stripeException.Message);
}
else
{
internalErrorModel = new InternalApi.ErrorResponseModel(stripeException.StripeError.Parameter,
stripeException.Message);
}
}
public override void OnException(ExceptionContext context)
{
var errorMessage = "An error has occurred.";
var exception = context.Exception;
if (exception == null)
{
// Should never happen.
return;
}
InternalApi.ErrorResponseModel internalErrorModel = null;
if (exception is BadRequestException badRequestException)
{
context.HttpContext.Response.StatusCode = 400;
if (badRequestException.ModelState != null)
{
internalErrorModel = new InternalApi.ErrorResponseModel(badRequestException.ModelState);
}
else
{
errorMessage = badRequestException.Message;
}
}
else if (exception is GatewayException)
{
errorMessage = exception.Message;
context.HttpContext.Response.StatusCode = 400;
}
else if (exception is NotSupportedException && !string.IsNullOrWhiteSpace(exception.Message))
{
errorMessage = exception.Message;
context.HttpContext.Response.StatusCode = 400;
}
else if (exception is ApplicationException)
{
context.HttpContext.Response.StatusCode = 402;
}
else if (exception is NotFoundException)
{
errorMessage = "Resource not found.";
context.HttpContext.Response.StatusCode = 404;
}
else if (exception is SecurityTokenValidationException)
{
errorMessage = "Invalid token.";
context.HttpContext.Response.StatusCode = 403;
}
else if (exception is UnauthorizedAccessException)
{
errorMessage = "Unauthorized.";
context.HttpContext.Response.StatusCode = 401;
}
else
{
var logger = context.HttpContext.RequestServices.GetRequiredService <ILogger <ExceptionHandlerFilterAttribute> >();
logger.LogError(0, exception, exception.Message);
errorMessage = "An unhandled server error has occurred.";
context.HttpContext.Response.StatusCode = 500;
}
var errorModel = internalErrorModel ?? new InternalApi.ErrorResponseModel(errorMessage);
var env = context.HttpContext.RequestServices.GetRequiredService <IWebHostEnvironment>();
if (env.IsDevelopment())
{
errorModel.ExceptionMessage = exception.Message;
errorModel.ExceptionStackTrace = exception.StackTrace;
errorModel.InnerExceptionMessage = exception?.InnerException?.Message;
}
context.Result = new ObjectResult(errorModel);
}
