添加项目文件。

2026-10-12 16:22:04 +08:00
parent 7c68a0ca0a
commit aad11be43d
1000 changed files with 120807 additions and 0 deletions
@@ -0,0 +1,65 @@
+using Common.Utils;
+using Microsoft.AspNetCore.SignalR;
+using System.Collections.Concurrent;
+
+namespace ChessGameHost.Middleware
+{
+    public class MovementFilter : IHubFilter
+    {
+        public async ValueTask<object> InvokeMethodAsync(
+            HubInvocationContext context,
+            Func<HubInvocationContext, ValueTask<object>> next)
+        {
+            var arguments = context.HubMethodArguments;
+            {
+                
+             
+                //if (context.HubMethodName == "ChangeUserData" )
+                //{
+                //    var obj = arguments[0].ToJson().ToObject<ChangeUserDataParam>();
+
+                //    if (obj.Type == 8 || obj.Type == 6 || obj.Type == 7 || obj.Type == 4)
+                //    {
+                //        if (!RateLimiter.Allow(context.Context.ConnectionId))
+                //        {
+                //        }
+                //    }
+                //}
+            }
+            return await next(context);
+        }
+    }
+
+    public static class RateLimiter
+    {
+        private static readonly ConcurrentDictionary<string, RateData> _rates = new();
+
+        public static bool Allow(string connectionId)
+        {
+            var now = DateTime.UtcNow;
+            var rate = _rates.GetOrAdd(connectionId, id => new RateData());
+
+            if (rate.Tokens < 30)
+            {
+                rate.Tokens++;
+                rate.LastUpdate = now;
+                return true;
+            }
+
+            if ((now - rate.LastUpdate).TotalMilliseconds > 33)
+            {
+                rate.Tokens = 1;
+                rate.LastUpdate = now;
+                return true;
+            }
+
+            return false;
+        }
+
+        private class RateData
+        {
+            public int Tokens { get; set; } = 30;
+            public DateTime LastUpdate { get; set; } = DateTime.UtcNow;
+        }
+    }
+}