go http streaming

serve.go

package main

import (
  "fmt"
  "io"
  "io/ioutil"
  "strings"
  "exec"
  "http"
)

func handler(w http.ResponseWriter, r *http.Request) {
  data := make(http.Values)
  data.Set("code",r.FormValue("code"))
  data.Set("ip",r.RemoteAddr)
  resp, _ := http.PostForm("http://mppp.it/exists", data)
  code, _ := ioutil.ReadAll(resp.Body) 
  ipresp, _ := http.PostForm("http://mppp.it/ip", data)
  ip, _ := ioutil.ReadAll(ipresp.Body)
  if (strings.TrimSpace(string(code)) == "true" || strings.TrimSpace(string(ip)) == "true") {
    w.Header().Set("Content-Type","application/octet-stream")
    w.Header().Set("Content-Disposition",fmt.Sprintf("attachment; filename=%s.mp3",r.FormValue("name")))
  
    url, _ := exec.Command("youtube-dl", "-g", "--cookies", "cookie", r.FormValue("url")).Output()
    
    cmd := exec.Command("mencoder", "-msglevel", "all=-1", "-cookies", "-cookies-file", "cookie", strings.TrimSpace(string(url)), "-of", "rawaudio", "-ss", r.FormValue("stime"), "-endpos", r.FormValue("etime"), "-oac", "mp3lame", "-lameopts", "cbr:mode=2:br=192", "-mc", "0", "-noskip", "-ofps", "24000/1001", "-ovc", "copy", "-o", "-")
    reader, _ := cmd.StdoutPipe()
    cmd.Start()
    io.Copy(w,reader)
    cmd.Wait()
    cmd.Process.Kill()
    http.PostForm("http://mppp.it/convert",make(map[string][]string))
  //exec.Command("kill","-9",string(cmd.Process.Pid)).Run()
    } else {
    fmt.Fprintf(w, "Either your daily limit of 3 converts was reached, or your code expired!")
  }
}

func main() {
	http.HandleFunc("/", handler)
	http.ListenAndServe(":4567", nil)
}