Http Handler auth decorator

gistfile1.go

package main

import (
	"fmt"
	"net/http"
)

const (
	//user_is_authenticated = false
	user_is_authenticated = true
)

func authCheck(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
	return func(w http.ResponseWriter, r *http.Request) {
		// check for auth
		is_auth := user_is_authenticated

		if is_auth {
			f(w, r)
		} else {
			http.Redirect(w, r, "/access_denied", http.StatusTemporaryRedirect)
		}
	}
}

func AdminPageHandler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Here is admin page\n")
}

func main() {
	http.HandleFunc("/", authCheck(AdminPageHandler))
	//http.HandleFunc("/", authCheck(SomeOtherHandler))
	http.ListenAndServe(":8080", nil)
}