public override void OnException(ExceptionContext filterContext)
{
Exception loggingException = null;
try
{
var innerText = new StringBuilder();
string body = null;
try
{
var e = filterContext.Exception?.InnerException;
while (e != null)
{
innerText.Append(e.Message + Environment.NewLine);
e = e.InnerException;
}
}
catch { } // Ignore errors
try
{
using (Stream receiveStream = filterContext.HttpContext.Request.InputStream)
{
using (StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8))
{
receiveStream.Seek(0, SeekOrigin.Begin);
body = readStream.ReadToEnd();
}
}
}
catch { } // Ignore errors
var exception = new UnhandledControllerException()
{
Message = filterContext.Exception.Message,
InnerExceptionMessages = innerText.ToString(),
StackTrace = filterContext.Exception.StackTrace,
Url = filterContext.HttpContext.Request.Url.ToString(),
Body = body,
UserId = filterContext.HttpContext.User.Identity.GetUserId(),
DateTime = DateTimeOffset.UtcNow
};
Repository.InsertUnhandledControllerException(exception);
}
catch (Exception e)
{
loggingException = e;
}
base.OnException(filterContext);
if (filterContext.Result is ViewResult viewResult)
{
viewResult.ViewBag.LoggingException = loggingException;
}
}
public async override Task HandleAsync(ExceptionHandlerContext context, CancellationToken cancellationToken)
{
var innerText = new StringBuilder();
string body = null;
try
{
var e = context.Exception?.InnerException;
while (e != null)
{
innerText.Append(e.Message + Environment.NewLine);
e = e.InnerException;
}
}
catch { } // Ignore errors
try
{
HttpContext.Current.Request.InputStream.Position = 0;
using (var reader = new StreamReader(HttpContext.Current.Request.InputStream, System.Text.Encoding.UTF8, true, 4096, true))
{
body = await reader.ReadToEndAsync();
}
HttpContext.Current.Request.InputStream.Position = 0;
}
catch { } // Ignore errors
var exception = new UnhandledControllerException()
{
Message = context.Exception.Message,
InnerExceptionMessages = innerText.ToString(),
StackTrace = context.Exception.StackTrace,
Url = context.Request.RequestUri.ToString(),
Body = body,
UserId = context.RequestContext.Principal.Identity.GetUserId(),
DateTime = DateTimeOffset.UtcNow
};
Repository.InsertUnhandledControllerException(exception);
await base.HandleAsync(context, cancellationToken);
}
// Unhandled exceptions
public void InsertUnhandledControllerException(UnhandledControllerException exception)
{
context.UnhandledControllerExceptions.Add(exception);
context.SaveChanges();
}
