public static void UseDefaultMiddleware(this IApplicationBuilder app, IHostingEnvironment env)
{
if (!env.IsDevelopment())
{
// Adjust headers for proxy.
// ref: https://github.com/aspnet/Docs/issues/2384
var forwardOptions = new ForwardedHeadersOptions
{
ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto,
RequireHeaderSymmetry = false
};
forwardOptions.KnownNetworks.Clear();
forwardOptions.KnownProxies.Clear();
app.UseForwardedHeaders(forwardOptions);
}
// Add version information to response headers
app.Use(async(httpContext, next) =>
{
httpContext.Response.OnStarting((state) =>
{
var info = CoreHelpers.GetVersionInfo();
httpContext.Response.Headers.Append("Server-Version", info.version);
httpContext.Response.Headers.Append("Server-Version-Weight", info.versionWeight.ToString());
return(Task.FromResult(0));
}, null);
await next.Invoke();
});
}
