The lightweight .NET package provides a middleware service to protect your application by limiting the request rate. Suport old .NET Framework Project, support Redis, MemoryCache, System.Web.Caching.Cache.
Get Started
$ dotnet add package RateLimit.FrameworkReadme
Author: Khoi Tran
Package: RateLimit.Framwork
- The
lightweightpackageprovides a middleware service to protect your application by limiting the request rate. - Suport
old.NET Frameworkproject - Support three way caching:
Redis,MemoryCache,System.Web.Caching.Cache - How it work: If an
IpAddress(can be config using withCookieName) contains the number of requests which cross over theMaxRequestPerPeriod, it will be blocked by returning aTooManyRequest(429)(config byBlockMessage) within the blocking time (config byBlockTimeSecond)
Usage
Index.cshtml: make simple ajax call to HomeController
$.ajax({
url: "/Home/GetItem/1234",
type: "GET",
async: false,
datatype: "json",
data: {
param1: "param1 data",
param2: "param2 data",
param3: "param3 data"
},
success: function (data) {
console.log(data)
},
error: function (err) {
console.log(err)
}
})
HomeController.cs: config RateLimitAttribute forGetReportaction
using Newtonsoft.Json;
using System.Web.Mvc;
using RateLimit; // use RateLimit package
namespace WebMVC.Controllers
{
public class HomeController : Controller
{
/* Config for every request come to this action */
[HttpGet]
[Route("GetItem/{id?}")]
[RateLimit(PeriodTime = 10
, MaxRequestPerPeriod = 1
, CookieName = "UserId"
, QueryParams = "param1, param2" // or "param2, param1" not need to do in order
, RouteParams = "id" // same here, you not need to do in order if you have many Route param
, BlockTime = 10
, BlockMessage = "You are making too many request")]
public ActionResult GetItem(string id, string param1, string param2)
{
return new JsonResult() {
Data = new
{
now = System.DateTime.Now.ToString("dd HH:mm:ss.ff"),
id,
param1,
param2
},
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
}
}
}