extended LoginProvider with additional data

SimpleHttpServer/HttpServer.cs

@@ -1,5 +1,6 @@
 using System.Net;
 using System.Reflection;
+using SimpleHttpServer.Internal;
 
 namespace SimpleHttpServer;
 
@@ -34,6 +35,9 @@ public sealed class HttpServer {
                     PrintErrorOrThrow(error, endpoint, throwOnInvalidEndpoint, "HttpEndpointAttribute is only valid on static methods!");
                     continue;
                 }
+                if (!endpoint.IsPublic) {
+                    PrintErrorOrThrow(error, endpoint, throwOnInvalidEndpoint, $"{GetFancyMethodName(endpoint)} needs to be public!");
+                }
                 var myParams = endpoint.GetParameters();
                 if (myParams.Length <= 0 || !myParams[0].GetType().IsAssignableFrom(typeof(HttpListenerContext))) {
                     PrintErrorOrThrow(error, endpoint, throwOnInvalidEndpoint, $"{GetFancyMethodName(endpoint)} needs to have a HttpListenerContext as its first argument!");