Cleanud up auth code

Moonlight.ApiServer/Http/Middleware/PermissionLoaderMiddleware.cs

@@ -0,0 +1,33 @@
+using System.Text.Json;
+using MoonCore.Authentication;
+using Moonlight.ApiServer.Database.Entities;
+
+namespace Moonlight.ApiServer.Http.Middleware;
+
+public class PermissionLoaderMiddleware
+{
+    private readonly RequestDelegate Next;
+
+    public PermissionLoaderMiddleware(RequestDelegate next)
+    {
+        Next = next;
+    }
+
+    public async Task Invoke(HttpContext context)
+    {
+        await Load(context);
+        await Next(context);
+    }
+
+    private Task Load(HttpContext context)
+    {
+        if(context.User is not PermClaimsPrinciple permClaimsPrinciple)
+            return Task.CompletedTask;
+        
+        if(permClaimsPrinciple.IdentityModel is not User user)
+            return Task.CompletedTask;
+
+        permClaimsPrinciple.Permissions = JsonSerializer.Deserialize<string[]>(user.PermissionsJson) ?? [];
+        return Task.CompletedTask;
+    }
+}