httpcookie.go

func HTTPwithCookies(url, ds_user_id, sessionid, csrftoken string) (b []byte, err error) {
      req, err := http.NewRequest("GET", url, nil)
      if err != nil {
              return
      }

      req.AddCookie(&http.Cookie{Name: "ds_user_id", Value: ds_user_id})
      req.AddCookie(&http.Cookie{Name: "sessionid", Value: sessionid})
      req.AddCookie(&http.Cookie{Name: "csrftoken", Value: csrftoken})

      client := &http.Client{}
      resp, err := client.Do(req)
      if err != nil {
              return
      }
      defer resp.Body.Close()

      if resp.StatusCode != 200 {
              err = errors.New(url +
                      "\nresp.StatusCode: " + strconv.Itoa(resp.StatusCode))
              return
      }

      return ioutil.ReadAll(resp.Body)
}