package main

import (
	"io"
	"io/ioutil"
	"log"
	"net/http"
	"os"
	"time"
)

func saveURL(url string) (tmpFile string, contentType string, err error) {
	var myClient = &http.Client{Timeout: 20 * time.Second}
	r, err := myClient.Get(url)
	if err != nil {
		log.Fatal("Fail to get URL:" + url)
		log.Fatal(err)
		return "", "", err
	}
	defer r.Body.Close()
	file, err := ioutil.TempFile(os.TempDir(), "wechat_hitxy_")
	// Use io.Copy to just dump the response body to the file. This supports huge files
	_, err = io.Copy(file, r.Body)
	if err != nil {
		log.Fatal(err)
	}
	tmpFile = file.Name()
	file.Close()
	return
}