internal static IApplicationBuilder UseApiExceptionHandler(
this IApplicationBuilder app,
string corsPolicyName,
StartupUseOptions startupOptions)
=> UseApiExceptionHandling(
app,
corsPolicyName,
startupOptions);
internal static IApplicationBuilder UseApiExceptionHandler(
this IApplicationBuilder app,
string corsPolicyName,
StartupUseOptions startupUseOptions)
=> UseApiExceptionHandling(
app,
corsPolicyName,
startupUseOptions,
app.ApplicationServices.GetRequiredService <ProblemDetailsHelper>());
private static IApplicationBuilder UseApiExceptionHandling(
IApplicationBuilder app,
string corsPolicyName,
StartupUseOptions startupOptions)
{
_logger = startupOptions.Common.LoggerFactory.CreateLogger <ApiExceptionHandler>();
var customHandlers = startupOptions.Api.CustomExceptionHandlers ?? new IExceptionHandler[] { };
var exceptionHandler = new ExceptionHandler(_logger, customHandlers);
app.UseExceptionHandler(builder =>
{
builder.UseCors(policyName: corsPolicyName);
startupOptions.MiddlewareHooks.AfterCors?.Invoke(builder);
builder.UseProblemDetails();
startupOptions.MiddlewareHooks.AfterProblemDetails?.Invoke(builder);
builder
.UseMiddleware <EnableRequestRewindMiddleware>()
// https://github.com/serilog/serilog-aspnetcore/issues/59
.UseMiddleware <AddCorrelationIdToResponseMiddleware>()
.UseMiddleware <AddCorrelationIdMiddleware>()
.UseMiddleware <AddCorrelationIdToLogContextMiddleware>()
.UseMiddleware <AddHttpSecurityHeadersMiddleware>(startupOptions.Server.ServerName, startupOptions.Server.PoweredByName)
.UseMiddleware <AddRemoteIpAddressMiddleware>(startupOptions.Api.RemoteIpAddressClaimName)
.UseMiddleware <AddVersionHeaderMiddleware>(startupOptions.Server.VersionHeaderName);
startupOptions.MiddlewareHooks.AfterMiddleware?.Invoke(builder);
builder
.UseMiddleware <DefaultResponseCompressionQualityMiddleware>(new Dictionary <string, double>
{
{ "br", 1.0 },
{ "gzip", 0.9 }
})
.UseResponseCompression();
startupOptions.MiddlewareHooks.AfterResponseCompression?.Invoke(builder);
var requestLocalizationOptions = startupOptions
.Common
.ServiceProvider
.GetRequiredService <IOptions <RequestLocalizationOptions> >()
.Value;
builder.UseRequestLocalization(requestLocalizationOptions);
startupOptions.MiddlewareHooks.AfterRequestLocalization?.Invoke(builder);
builder
.Run(async context =>
{
context.Response.StatusCode = StatusCodes.Status500InternalServerError;
context.Response.ContentType = MediaTypeNames.Application.Json;
var error = context.Features.Get <IExceptionHandlerFeature>();
var exception = error?.Error;
// Errors happening in the Apply() stuff result in an InvocationException due to the dynamic stuff.
if (exception is TargetInvocationException && exception.InnerException != null)
{
exception = exception.InnerException;
}
await exceptionHandler.HandleException(exception, context);
});
});
return(app);
}
