Auto XSS atack protector

antixss.go

package main

import (
	"html/template"
	"net/http"
)

//AntiXSS is main struct on auto AntiXss Handler
type AntiXSS struct {
	http.Handler
}

//New made new auto AntiXSS handler
func NewAntiXSS(handler http.Handler) http.Handler {
	return &AntiXSS{handler}
}

func (h *AntiXSS) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if r.Method == "POST" {
		r.ParseForm()
		for i := range r.Form {
			for j := range r.Form[i] {
				r.Form[i][j] = template.JSEscapeString(r.Form[i][j])
				r.Form[i][j] = template.HTMLEscapeString(r.Form[i][j])
			}
		}
	}
	h.Handler.ServeHTTP(w, r)
}

main.go

func main() {
  mux := http.DefaultServeMux
  mux.HandleFunc("/", indexHandler)
  server := &http.Server{
          Addr:    fmt.Sprintf(":%s", 8080),
          Handler: NewAntiXSS(mux),
  }
  server.ListenAndServe()
}