feat: add localhost attribute

Endpoint/Common/Attributes/LocalhostAttribute.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Filters;
+using System.Net;
+
+namespace Mirea.Api.Endpoint.Common.Attributes;
+
+public class LocalhostAttribute : ActionFilterAttribute
+{
+    public override void OnActionExecuting(ActionExecutingContext context)
+    {
+        var ip = context.HttpContext.Connection.RemoteIpAddress;
+        if (ip == null || !IPAddress.IsLoopback(ip))
+        {
+            context.Result = new UnauthorizedResult();
+            return;
+        }
+        base.OnActionExecuting(context);
+    }
+}