Connected.Framework/Connected.Instance/ServerStartup.cs

using Connected.Annotations;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Net.Http.Headers;

[assembly: MicroService(MicroServiceType.Sys)]

namespace Connected.Instance
{
	[Priority(int.MaxValue)]
	internal sealed class ServerStartup : Startup
	{
		protected override void OnConfigureServices(IServiceCollection services)
		{
			services.AddHttpContextAccessor();
			services.AddSignalR();
			services.AddHttpClient();
			services.AddLogging();
			services.AddAntiforgery();

			services.AddCors((o) =>
			{
				o.AddDefaultPolicy(new Microsoft.AspNetCore.Cors.Infrastructure.CorsPolicy
				{
					IsOriginAllowed = (a) => { return true; },
					Headers = { HeaderNames.ContentType, HeaderNames.ContentEncoding, HeaderNames.XRequestedWith, "x-signalr-user-agent" }
				});
			});
		}

		protected override void OnConfigure(WebApplication app)
		{
			if (!app.Environment.IsDevelopment())
			{
				app.UseExceptionHandler("/Error");
				app.UseHsts();
				app.UseHttpsRedirection();
			}

			app.UseCors();
			app.UseRouting();
		}
	}
}