getfvid

/*
【 Video FB Downloader】
Creator  : ShanMolvyr
Base     : https://en.getfvid.io/
Desc     : Facebook Video Downloader, mengunduh video dan audio lengkap dengan metadata
Channel  : https://whatsapp.com/channel/0029VbB4Kw8EFeXfeExaXc3Q
Note     : Kalau error biasanya dari api nya, di tes dulu aja
*/

import axios from 'axios';
import FormData from 'form-data';
import WebSocket from 'ws';

const BASE_URL = 'https://en.getfvid.io';
const CDN_URL = 'https://cdn.rapidcdn.site';
const WSS_BASE = 'wss://cdn.rapidcdn.site/ws/status';

const DEFAULT_HEADERS = {
  'Origin': BASE_URL,
  'Referer': `${BASE_URL}/`,
  'User-Agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36',
  'Accept-Language': 'id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7',
};

// urutan prioritas — fake_scale difilter dulu, baru fallback ke sini
const VIDEO_QUALITY_RANK = ['1080p', '800p', '720p', '640p', '536p', '540p', '480p', 'HD', '360p', '240p', 'SD'];
const AUDIO_QUALITY_RANK = ['bestaudio', '320kbps', '256kbps', '192kbps', '128kbps', 'm4a'];

function parseTitle(raw) {
  const metaMatch = raw.match(/^([\d.KMB]+\s*reactions\s*[·•]\s*[\d.KMB]+\s*shares?)\s*\|\s*/i);
  const metaRaw = metaMatch ? metaMatch[1] : null;

  let rest = metaMatch ? raw.slice(metaMatch[0].length) : raw;

  const parts = rest.split('|').map(s => s.trim()).filter(Boolean);
  const uploader = parts.length > 1 ? parts[parts.length - 1] : null;
  const title = parts.length > 1 ? parts.slice(0, -1).join(' | ').trim() : parts[0];

  let reactions = null, shares = null;
  if (metaRaw) {
    const rMatch = metaRaw.match(/([\d.KMB]+)\s*reactions/i);
    const sMatch = metaRaw.match(/([\d.KMB]+)\s*shares?/i);
    reactions = rMatch ? rMatch[1] : null;
    shares = sMatch ? sMatch[1] : null;
  }

  return { title, uploader, reactions, shares };
}

export async function fetchVideoInfo(fbUrl, cookie = '') {
  const fd = new FormData();
  fd.append('url', fbUrl);

  const res = await axios.post(`${BASE_URL}/api.php`, fd, {
    headers: {
      ...DEFAULT_HEADERS,
      ...fd.getHeaders(),
      ...(cookie ? { Cookie: cookie } : {}),
    },
  });

  if (res.data.status !== 'success') {
    throw new Error(`api.php error: ${JSON.stringify(res.data)}`);
  }
  return res.data;
}

export async function requestRender(fbUrl, formatId, cookie = '') {
  const fd = new FormData();
  fd.append('url', fbUrl);
  fd.append('format_id', formatId);

  const res = await axios.post(`${BASE_URL}/render.php`, fd, {
    headers: {
      ...DEFAULT_HEADERS,
      ...fd.getHeaders(),
      ...(cookie ? { Cookie: cookie } : {}),
    },
  });
  return res.data;
}

export async function waitRender(taskId, timeoutMs = 180_000) {
  return new Promise((resolve, reject) => {
    const ws = new WebSocket(`${WSS_BASE}/${taskId}`, {
      headers: { 'Origin': BASE_URL },
    });

    const timer = setTimeout(() => {
      ws.close();
      reject(new Error('Render timeout'));
    }, timeoutMs);

    ws.on('message', (raw) => {
      const msg = JSON.parse(raw.toString());
      if (msg.progress !== undefined) process.stdout.write(`\rProgress: ${msg.progress}%   `);
      if (msg.status === 'completed') {
        clearTimeout(timer);
        ws.close();
        process.stdout.write('\n');
        resolve(msg);
      } else if (msg.status === 'failed') {
        clearTimeout(timer);
        ws.close();
        reject(new Error(`Render failed: ${msg.error}`));
      }
    });

    ws.on('error', (err) => { clearTimeout(timer); reject(err); });
  });
}

export function buildDownloadUrl(wsResult) {
  const token = Buffer.from(JSON.stringify({
    url: `${CDN_URL}/${wsResult.file_path}`,
    filename: wsResult.display_name,
  })).toString('base64');
  return `${BASE_URL}/dl.php?token=${token}`;
}

async function resolveLink(fbUrl, link, cookie) {
  if (!link.is_render) return link.url;

  const renderRes = await requestRender(fbUrl, link.format_id, cookie);
  const wsResult = await waitRender(renderRes.task_id);
  return buildDownloadUrl(wsResult);
}

/**
 * Ambil kualitas terbaik otomatis
 * @returns {object} { video, audio, meta }
 */
export async function getBest(fbUrl, { cookie = '', audioOnly = false } = {}) {
  const res = await fetchVideoInfo(fbUrl, cookie);
  const links = res.download_links;
  const raw = res.data;

  // parse metadata dari title
  const parsed = parseTitle(raw.title);

  const meta = {
    id: raw.id,
    title: parsed.title,
    uploader: parsed.uploader ?? raw.uploader,
    reactions: parsed.reactions,
    shares: parsed.shares,
    duration: raw.duration,
    views: raw.views,
    thumbnail: raw.thumbnail,
  };

  // pilih video terbaik — prefer non-fake-scale, fallback ke fake-scale kalau tidak ada
  let videoResult = null;
  if (!audioOnly) {
    const realLinks = links.filter(l => !l.is_fake_scale);
    const bestVideoQuality =
      VIDEO_QUALITY_RANK.find(q => realLinks.some(l => l.quality === q)) ||
      VIDEO_QUALITY_RANK.find(q => links.some(l => l.quality === q));
    const videoLink =
      links.find(l => l.quality === bestVideoQuality && !l.is_fake_scale) ??
      links.find(l => l.quality === bestVideoQuality);
    const fakeNote = videoLink?.is_fake_scale ? " (upscale)" : "";
    if (videoLink) {
      try {
        console.log(`Video terbaik: ${videoLink.quality}${fakeNote} (${videoLink.is_render ? "render" : "direct"})`);
        const url = await resolveLink(fbUrl, videoLink, cookie);
        videoResult = { quality: videoLink.quality, isFakeScale: !!videoLink.is_fake_scale, url };
      } catch (err) {
        console.warn(`Video ${videoLink.quality} gagal: ${err.message}, fallback ke HD direct...`);
        const hdLink = links.find(l => l.quality === 'HD');
        if (hdLink) {
          const url = await resolveLink(fbUrl, hdLink, cookie);
          videoResult = { quality: 'HD', isFakeScale: false, url };
        }
      }
    }
  }

  // pilih audio terbaik dengan fallback kalau render gagal
  const audioLinks = AUDIO_QUALITY_RANK
    .map(q => links.find(l => l.quality === q))
    .filter(Boolean);

  let audioResult = null;
  for (const audioLink of audioLinks) {
    try {
      console.log(`Audio terbaik: ${audioLink.quality} (${audioLink.is_render ? 'render' : 'direct'})`);
      const url = await resolveLink(fbUrl, audioLink, cookie);
      audioResult = { quality: audioLink.quality, url };
      break;
    } catch (err) {
      console.warn(`Audio ${audioLink.quality} gagal: ${err.message}, coba format berikutnya...`);
    }
  }

  return { video: videoResult, audio: audioResult, meta };
}

// ─── RUN ─────────────────────────────────────────────────────────────────────
const FB_URL = 'https://www.facebook.com/share/r/15qZVepkZX7/';

const result = await getBest(FB_URL);

console.log('\n─── METADATA ───────────────────────────────');
console.log('Title    :', result.meta.title);
console.log('Uploader :', result.meta.uploader);
console.log('Reactions:', result.meta.reactions);
console.log('Shares   :', result.meta.shares);
console.log('Duration :', result.meta.duration + 's');
console.log('Views    :', result.meta.views);
console.log('Thumbnail:', result.meta.thumbnail);

console.log('\n─── VIDEO ──────────────────────────────────');
console.log('Quality  :', result.video.quality);
console.log('URL      :', result.video.url);

console.log('\n─── AUDIO ──────────────────────────────────');
console.log('Quality  :', result.audio.quality);
console.log('URL      :', result.audio.url);