✨ Add a proper Gateway service

DysonNetwork.Gateway/Program.cs

@@ -0,0 +1,175 @@
+using System.Threading.RateLimiting;
+using DysonNetwork.Shared.Http;
+using Microsoft.AspNetCore.RateLimiting;
+using Yarp.ReverseProxy.Configuration;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+
+builder.ConfigureAppKestrel(builder.Configuration, maxRequestBodySize: long.MaxValue, enableGrpc: false);
+
+builder.Services.AddCors(options =>
+{
+    options.AddDefaultPolicy(
+        policy =>
+        {
+            policy.SetIsOriginAllowed(origin => true)
+                .AllowAnyMethod()
+                .AllowAnyHeader()
+                .AllowCredentials();
+        });
+});
+
+builder.Services.AddRateLimiter(options =>
+{
+    options.AddFixedWindowLimiter("fixed", limiterOptions =>
+    {
+        limiterOptions.PermitLimit = 120;
+        limiterOptions.Window = TimeSpan.FromMinutes(1);
+        limiterOptions.QueueProcessingOrder = QueueProcessingOrder.OldestFirst;
+        limiterOptions.QueueLimit = 0;
+    });
+});
+
+var routes = new[]
+{
+    new RouteConfig()
+    {
+        RouteId = "ring-ws",
+        ClusterId = "ring",
+        Match = new RouteMatch { Path = "/ws" }
+    },
+    new RouteConfig()
+    {
+        RouteId = "ring-api",
+        ClusterId = "ring",
+        Match = new RouteMatch { Path = "/ring/{**catch-all}" },
+        Transforms =
+        [
+            new Dictionary<string, string> { { "PathRemovePrefix", "/ring" } },
+            new Dictionary<string, string> { { "PathPrefix", "/api" } }
+        ]
+    },
+    new RouteConfig()
+    {
+        RouteId = "pass-openid",
+        ClusterId = "pass",
+        Match = new RouteMatch { Path = "/.well-known/openid-configuration" }
+    },
+    new RouteConfig()
+    {
+        RouteId = "pass-jwks",
+        ClusterId = "pass",
+        Match = new RouteMatch { Path = "/.well-known/jwks" }
+    },
+    new RouteConfig()
+    {
+        RouteId = "pass-api",
+        ClusterId = "pass",
+        Match = new RouteMatch { Path = "/id/{**catch-all}" },
+        Transforms =
+        [
+            new Dictionary<string, string> { { "PathRemovePrefix", "/id" } },
+            new Dictionary<string, string> { { "PathPrefix", "/api" } }
+        ]
+    },
+    new RouteConfig()
+    {
+        RouteId = "drive-tus",
+        ClusterId = "drive",
+        Match = new RouteMatch { Path = "/api/tus" }
+    },
+    new RouteConfig()
+    {
+        RouteId = "drive-api",
+        ClusterId = "drive",
+        Match = new RouteMatch { Path = "/drive/{**catch-all}" },
+        Transforms =
+        [
+            new Dictionary<string, string> { { "PathRemovePrefix", "/drive" } },
+            new Dictionary<string, string> { { "PathPrefix", "/api" } }
+        ]
+    },
+    new RouteConfig()
+    {
+        RouteId = "sphere-api",
+        ClusterId = "sphere",
+        Match = new RouteMatch { Path = "/sphere/{**catch-all}" },
+        Transforms =
+        [
+            new Dictionary<string, string> { { "PathRemovePrefix", "/sphere" } },
+            new Dictionary<string, string> { { "PathPrefix", "/api" } }
+        ]
+    },
+    new RouteConfig()
+    {
+        RouteId = "develop-api",
+        ClusterId = "develop",
+        Match = new RouteMatch { Path = "/develop/{**catch-all}" },
+        Transforms =
+        [
+            new Dictionary<string, string> { { "PathRemovePrefix", "/develop" } },
+            new Dictionary<string, string> { { "PathPrefix", "/api" } }
+        ]
+    }
+};
+
+var clusters = new[]
+{
+    new ClusterConfig()
+    {
+        ClusterId = "ring",
+        Destinations = new Dictionary<string, DestinationConfig>
+        {
+            { "destination1", new DestinationConfig() { Address = "http://ring" } }
+        }
+    },
+    new ClusterConfig()
+    {
+        ClusterId = "pass",
+        Destinations = new Dictionary<string, DestinationConfig>
+        {
+            { "destination1", new DestinationConfig() { Address = "http://pass" } }
+        }
+    },
+    new ClusterConfig()
+    {
+        ClusterId = "drive",
+        Destinations = new Dictionary<string, DestinationConfig>
+        {
+            { "destination1", new DestinationConfig() { Address = "http://drive" } }
+        }
+    },
+    new ClusterConfig()
+    {
+        ClusterId = "sphere",
+        Destinations = new Dictionary<string, DestinationConfig>
+        {
+            { "destination1", new DestinationConfig() { Address = "http://sphere" } }
+        }
+    },
+    new ClusterConfig()
+    {
+        ClusterId = "develop",
+        Destinations = new Dictionary<string, DestinationConfig>
+        {
+            { "destination1", new DestinationConfig() { Address = "http://develop" } }
+        }
+    }
+};
+
+builder.Services
+.AddReverseProxy()
+.LoadFromMemory(routes, clusters)
+.AddServiceDiscoveryDestinationResolver();
+
+var app = builder.Build();
+
+app.UseCors();
+
+app.UseRateLimiter();
+
+app.MapReverseProxy().RequireRateLimiting("fixed");
+
+app.Run();