Added DynamicAuthSchemeService

backend/Omnikeeper/Service/DynamicAuthSchemeService.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Authentication;
+using System.Threading.Tasks;
+
+namespace Omnikeeper.Service
+{
+    public class DynamicAuthSchemeService
+    {
+        private readonly IAuthenticationSchemeProvider schemeProvider;
+        //private readonly IOptionsMonitorCache<O> optionsCache;
+
+        public DynamicAuthSchemeService(IAuthenticationSchemeProvider schemeProvider)//, IOptionsMonitorCache<SimpleOptions> optionsCache)
+        {
+            this.schemeProvider = schemeProvider;
+            //this.optionsCache = optionsCache;
+        }
+
+        public async Task<bool> TryAdd(string scheme, System.Type handlerType)
+        {
+            if (await schemeProvider.GetSchemeAsync(scheme) == null)
+            {
+                schemeProvider.AddScheme(new AuthenticationScheme(scheme, scheme, handlerType));
+                return true;
+            } 
+            else
+            {
+                return false;
+            }
+            //else
+            //{
+            //    _optionsCache.TryRemove(scheme);
+            //}
+            //_optionsCache.TryAdd(scheme, new SimpleOptions { DisplayMessage = optionsMessage });
+        }
+    }
+}

backend/Omnikeeper/Startup/ServiceRegistration.cs

@@ -209,6 +209,7 @@ public static void RegisterServices(ContainerBuilder builder)
             builder.RegisterType<AuthzFilterManager>().As<IAuthzFilterManager>().SingleInstance();
             builder.RegisterAssemblyTypes(Assembly.GetExecutingAssembly()).AssignableTo<IAuthzFilterForMutation>().As<IAuthzFilterForMutation>().SingleInstance();
             builder.RegisterAssemblyTypes(Assembly.GetExecutingAssembly()).AssignableTo<IAuthzFilterForQuery>().As<IAuthzFilterForQuery>().SingleInstance();
+            builder.RegisterType<DynamicAuthSchemeService>().SingleInstance();
 
             builder.RegisterType<ReactiveRunService>().As<IReactiveRunService>().SingleInstance();
         }