public InternalExceptionHandlerMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, IOptions <InternalExceptionHandlerOptions> options)
{
_next = next;
_logger = loggerFactory.CreateLogger <InternalExceptionHandlerMiddleware>();
_options = options.Value;
_clearCacheHeadersDelegate = ClearCacheHeaders;
if (_options.ExceptionHandler != null)
{
return;
}
if (_options.ExceptionHandlingPath == null)
{
throw new InvalidOperationException($"{nameof(_options.ExceptionHandlingPath)} is null");
}
_options.ExceptionHandler = _next;
}
/// <summary>
/// Adds a middleware to the pipeline that will catch pivotal internal exceptions, log them , set the <see cref="InternalExceptionHandlerFeature"/>
/// The request will not be re-executed if the response has already started.
/// </summary>
/// <param name="app"></param>
/// <param name="options"></param>
/// <returns></returns>
public static IApplicationBuilder UseInternalExceptionHandler(this IApplicationBuilder app, InternalExceptionHandlerOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
return(app.UseMiddleware <InternalExceptionHandlerMiddleware>(Options.Create(options)));
}