Added authentication for the node against the api server. Cleaned up routes

MoonlightServers.ApiServer/Implementations/NodeJwtBearerOptions.cs

@@ -0,0 +1,56 @@
+using System.Text;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.Extensions.Options;
+using Microsoft.IdentityModel.Tokens;
+using MoonCore.Extended.Abstractions;
+using MoonlightServers.ApiServer.Database.Entities;
+
+namespace MoonlightServers.ApiServer.Implementations;
+
+public class NodeJwtBearerOptions : IConfigureNamedOptions<JwtBearerOptions>
+{
+    private readonly IServiceProvider ServiceProvider;
+
+    public NodeJwtBearerOptions(IServiceProvider serviceProvider)
+    {
+        ServiceProvider = serviceProvider;
+    }
+
+    public void Configure(JwtBearerOptions options)
+    {
+    }
+
+    public void Configure(string? name, JwtBearerOptions options)
+    {
+        // Dont configure any other scheme
+        if (name != "serverNodeAuthentication")
+            return;
+
+        options.TokenValidationParameters.IssuerSigningKeyResolver = (_, _, kid, _) =>
+        {
+            if (string.IsNullOrEmpty(kid))
+                return [];
+
+            if (kid.Length != 6)
+                return [];
+
+            using var scope = ServiceProvider.CreateScope();
+
+            var nodeRepo = scope.ServiceProvider.GetRequiredService<DatabaseRepository<Node>>();
+
+            var node = nodeRepo
+                .Get()
+                .FirstOrDefault(x => x.TokenId == kid);
+
+            if (node == null)
+                return [];
+
+            return
+            [
+                new SymmetricSecurityKey(
+                    Encoding.UTF8.GetBytes(node.Token)
+                )
+            ];
+        };
+    }
+}