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
