package main

import (
	"io/ioutil"
	"flag"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"crypto/tls"
)

const URL = "https://10.108.255.249/include/auth_action.php"

var (
	username string
	password string
	ip       string
)

func init() {
	flag.StringVar(&username, "username", "", "urp username")
	flag.StringVar(&password, "password", "", "urp password")
	flag.StringVar(&ip, "ip", "", "ip")
}

func main() {
	flag.Parse()
	if username == "" || password == "" || ip == "" {
		fmt.Println("invalid configuration")
		os.Exit(1)
	}

	q := url.Values{}
	q.Add("action", "login")
	q.Add("username", username)
	q.Add("password", password)
	q.Add("ac_id", "1")
	q.Add("user_ip", ip)
	q.Add("nas_ip", "")
	q.Add("user_mac", "")
	q.Add("save_me", "1")
	q.Add("ajax", "1")

	tr := &http.Transport{
		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
	}

	client := &http.Client{Transport: tr}
	resp, err := client.PostForm(URL, q)
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}

	if resp.StatusCode != 200 {
		fmt.Sprintf("return code %d", resp.StatusCode)
		os.Exit(1)
	}

	b, err := ioutil.ReadAll(resp.Body)

	if err != nil {
		fmt.Println("read resp body fail")
		os.Exit(1)
	}
	fmt.Println(fmt.Sprintf("login success: %s", string(b)))

}