facebook video downloader [facebook] [downloader] [official api]

/*
   judul  : fesnuk video downloader
   note   : kalau error pakek ini aja : https://pastebin.com/pett3fYu
   by     : wolep
   node   : v24.11.1
   update : hari ini
*/


const fbvdl = async function (fburl) {
    const headers = {
        "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
        "accept-encoding": "gzip, deflate, br, zstd",
        "sec-fetch-site": "none",
        "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0"
    }
    const r = await fetch(fburl, {headers})
    const html = await r.text()

    const ev = (string) => eval(`'${string}'`).replaceAll('amp;','')
    const audioUrl = html.match(/mime_type":"audio\\\/mp4","codecs":"mp4a\.40\.5","base_url":"(.+?)"."/)?.[1]
    const videoHdUrl = html.match(/browser_native_hd_url":"(.+?)","/)?.[1]
    const videoSdUrl = html.match(/browser_native_sd_url":"(.+?)","/)?.[1]
    let thumbnailUrl = html.match(/thumbnail":"(.+?)","/)?.[1]
    if(!thumbnailUrl) thumbnailUrl = html.match(/"og:image" content="(.+?)" \//)?.[1]

    const obj = {
        videoHdUrl: ev(videoHdUrl),
        videoSdUrl: ev(videoSdUrl),
        audioUrl: ev(audioUrl),
        thumbnailUrl: ev(thumbnailUrl)
    }
    return obj
}


fbvdl(url1)
.then(console.log)

/*output
{
  videoHdUrl: 'https://video.fdps2...h264-basic-gen2_720p',
  videoSdUrl: 'https://video.fdps2-1.fna.fbcdn.net/o1/v/t2/f2/m...97&tag=sve_sd',
  audioUrl: 'https://video.fdp...B49',
  thumbnailUrl: 'https://sc...AdcCg&oe=693F3B03'
}

*/