main.go

package main

import (
	"fmt"
	"log"
	"net/http"
	"net/url"
	"io/ioutil"
	"regexp"
	"strings"
)

func main() {
	fmt.Println(basicAuth("zYBf"))
}

func basicAuth(s string) string {
	resp, err := http.PostForm("http://mediadisk.net/@"+s,
		url.Values{"action": {"download"}})
	if err != nil {
		log.Fatal(err)
	}
	
	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		log.Fatal(err)
	}	

	str := body
	re := regexp.MustCompile(`go\/view(.+)?lang=ru`)
	s1 := re.FindString(string(str))
	s1 = strings.Replace(s1, "go/view/", "!", -1)
	s1 = strings.Replace(s1, "?lang=ru", "", -1)	
	s1 = "http://mediadisk.net/"+s1
	return s1
}