Want to download instagram videos ? Why not using telegram ? Share it to a user and receive it on telegram.

insta_downloader.go

// test project main.go
package main

import (
	"fmt"
	"net/http"
	"strconv"
	"time"
	"net/url"

	"github.com/ahmdrz/goinsta"
)

const AcceptedThread = "---"     //which one of your direct threads ? enter the title of the thread here
const GroupID = 12345678         //which chat in telegram ? enter the chat id in this field
const Token = "token"            //what is your robot token in telegram ?
const InstaUsername = "username" //instagram username
const InstaPassword = "password" //instagram password
const ScanTime = 60              //time in second for scanning instagram direct

type Scanner struct {
	*goinsta.Instagram
}

func (insta Scanner) Scan() {
	result, _ := insta.GetRankedRecipients()
	for _, threadItem := range result.RankedRecipients {
		item := threadItem.Thread
		if item.ThreadTitle == AcceptedThread {
			thread, err := insta.GetDirectThread(item.ThreadID)
			if err != nil {
				fmt.Println(item.ThreadID, "errored")
			} else {
				for _, item := range thread.Thread.Items {
					if len(item.MediaShare.VideoVersions) == 0 {
						continue
					}
					itemtime := item.Timestamp / 1000000
					if time.Now().Unix()-itemtime > ScanTime {
						continue
					}
					if len(item.MediaShare.VideoVersions) > 0 {
						video := item.MediaShare.VideoVersions[len(item.MediaShare.VideoVersions)-1]
						caption := AcceptedThread + " - " + item.MediaShare.Caption.Text
						if len(caption) > 200 {
							caption = caption[:200]
						}
						SendVideo(video.URL, caption)
					}
				}
			}
		}
	}
}

func main() {
	insta := goinsta.New(InstaUsername, InstaPassword)
	err := insta.Login()
	if err != nil {
		panic(err)
	}
	defer insta.Logout()

	scanner := Scanner{insta}
	for {
		scanner.Scan()
		time.Sleep(ScanTime * time.Second)
	}
}

func SendVideo(link string, caption string) {
	val := url.Values{}
	val.Set("chat_id", strconv.FormatInt(GroupID, 10))
	val.Set("video", link)
	val.Set("caption", caption)
	api := "https://api.telegram.org/bot" + Token + "/sendVideo?" + val.Encode()
	fmt.Println(api)
	r, err := http.NewRequest("POST", api, nil)
	if err != nil {
		return
	}
	client := http.Client{}
	client.Do(r)
}