@kelvdra/scraper/api/downloader/instagram.js

A simple scraper by kelvdra.

import axios from 'axios'
import qs from 'qs'
import crypto from 'crypto'
import {URLSearchParams} from 'url'

const API = {
  base: "https://fastdl.app",
  base_wh: "https://api-wh.fastdl.app",
  msec: "/msec",
  convert: "/api/convert"
};

const CONSTANT = {
  timestamp: 1763455936795,
  key: "bbe749c46624c168b1215f159f9712a2a1bdf44ccfba63203b4ccd9955186ebe"
};

const HEADERS = {
  accept: "application/json, text/plain, */*",
  "accept-language": "id-ID",
  "content-type": "application/x-www-form-urlencoded;charset=UTF-8",
  origin: "https://fastdl.app",
  referer: "https://fastdl.app/",
  priority: "u=1, i",
  "sec-ch-ua": '"Chromium";v="127", "Not)A;Brand";v="99", "Microsoft Edge Simulate";v="127", "Lemur";v="127"',
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": '"Android"',
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Mobile Safari/537.36"
};

async function getTimestamp() {
  try {
    const getHeaders = {
      "user-agent": HEADERS["user-agent"],
      accept: HEADERS["accept"],
      "accept-language": HEADERS["accept-language"],
      origin: HEADERS["origin"],
      referer: HEADERS["referer"]
    };
    const { data } = await axios.get(`${API.base}${API.msec}`, { headers: getHeaders });
    return Math.floor(data.msec * 1000);
  } catch (error) {
    console.error("Error fetching timestamp:", error.message);
    return 0;
  }
}

export async function igdl(url) {
  const time = await getTimestamp();
  const time_diff = time ? Date.now() - time : 0;
  const ts_value = time || Date.now();

  const hashString = `${url}${ts_value}${CONSTANT.key}`;
  const signatureBuffer = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(hashString));
  const signature = Array.from(new Uint8Array(signatureBuffer))
    .map(b => b.toString(16).padStart(2, "0"))
    .join("");

  const postData = {
    sf_url: url,
    ts: ts_value.toString(),
    _ts: CONSTANT.timestamp.toString(),
    _tsc: time_diff.toString(),
    _s: signature
  };

  const formBody = new URLSearchParams(postData).toString();
  const convertUrl = `${API.base_wh}${API.convert}`;

  try {
    const { data } = await axios.post(convertUrl, formBody, { headers: HEADERS });
    return data;
  } catch (error) {
    console.error("Error downloading:", error.message);
    return { error: true, message: error.message || "Gagal download" };
  }
}