beego-接口频率限制

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• beego-接口频率限制

beego-接口频率限制

package utils

import (
	"github.com/astaxie/beego"
	"github.com/astaxie/beego/context"
	"github.com/astaxie/beego/logs"
	"github.com/ulule/limiter"
	"github.com/ulule/limiter/v3"
	"github.com/ulule/limiter/v3/drivers/store/memory"
	"net/http"
	"strings"
)

// RateLimiter this is a struct
type RateLimiter struct {
	Limiter     *limiter.Limiter
	Username    string
	UserType    string
	UserToken   string
	RemainTimes int
	MaxTimes    int
}

func RateLimit(rateLimit *RateLimiter, ctx *context.Context) {
	var (
		limiterCtx limiter.Context
		err        error
		req        = ctx.Request
	)
	opt := limiter.Options{
		IPv4Mask:           limiter.DefaultIPv4Mask,
		IPv6Mask:           limiter.DefaultIPv6Mask,
		TrustForwardHeader: false,
	}
	ip := limiter.GetIP(req, opt)

	if strings.HasPrefix(ctx.Input.URL(), "/") {
		limiterCtx, err = rateLimit.Limiter.Get(req.Context(), ip.String())
	} else {
		logs.Info("The api request is not track ")
	}
	if err != nil {
		ctx.Abort(http.StatusInternalServerError, err.Error())
		return
	}
	if limiterCtx.Reached {
		logs.Debug("Too Many Requests from %s on %s", ip, ctx.Input.URL())
		// refer to https://beego.me/docs/mvc/controller/errors.md for error handling
		ctx.Abort(http.StatusTooManyRequests, "429")
		return
	}
}

func PanicError(e error) {
	if e != nil {
		panic(e)
	}
}

func RunRate() {
	// 限制每秒登录的请求次数
	theRateLimit := &RateLimiter{}
	// 100 reqs/second: "100-S" "100-s"
	loginMaxRate := beego.AppConfig.String("total_rule::reqrate")
	loginRate, err := limiter.NewRateFromFormatted(loginMaxRate + "-s")
	PanicError(err)
	theRateLimit.Limiter = limiter.New(memory.NewStore(), loginRate)
	beego.InsertFilter("/*", beego.BeforeRouter, func(ctx *context.Context) {
		RateLimit(theRateLimit, ctx)
	}, true)
}

　　在main.go 里面调用方法即可