public override void OnException(ExceptionContext context)
{
CoreError dgmError;
switch (context.Exception)
{
case CoreException exception:
var ex = exception;
context.Exception = null;
dgmError = ex.Error;
break;
case UnauthorizedAccessException _:
dgmError = new CoreError("Unauthorized access", StatusCodes.Status401Unauthorized);
break;
default:
var env = (IHostingEnvironment)context.HttpContext.RequestServices.GetService(typeof(IHostingEnvironment));
var msg = "An unhandled error occurred.";
string stack = null;
if (!env.IsProduction())
{
msg = context.Exception.Message;
stack = context.Exception.StackTrace;
}
if (context.Exception is InvalidDataException invalidDataException)
{
if (invalidDataException.Message.StartsWith("Multipart body length limit"))
{
msg = string.Format(_localizer["MultipartBodyLengthLimit_Message"], DefineValueList.FormOptionsMultipartBodyLengthLimit / 1048576);
stack = null;
}
}
if (context.Exception is Microsoft.AspNetCore.Server.Kestrel.Core.BadHttpRequestException badHttpRequestException)
{
if (badHttpRequestException.Message.StartsWith("Request body too large"))
{
msg = string.Format(_localizer["MultipartBodyLengthLimit_Message"], DefineValueList.FormOptionsMultipartBodyLengthLimit / 1048576);
stack = null;
}
}
dgmError = new CoreError($"{msg} {stack}".Trim());
break;
}
if (context.HttpContext.Request.Path.Value.StartsWith("/api", StringComparison.OrdinalIgnoreCase))
{
context.HttpContext.Response.StatusCode = dgmError.StatusCode;
context.Result = new JsonResult(dgmError, new JsonSerializerSettings {
ContractResolver = new CamelCasePropertyNamesContractResolver()
});
}
base.OnException(context);
}
public CoreException(CoreValidationError validationError)
{
Error = new CoreError(new List <CoreValidationError> {
validationError
});
}
public CoreException(IEnumerable <CoreValidationError> validationErrors)
{
Error = new CoreError(validationErrors);
}
public CoreException(string message)
{
Error = new CoreError(new List <CoreValidationError> {
new CoreValidationError(message)
});
}