58. v1.yt1s.biz [downloader] [search] [audio] [video] [yt1s-worker-6.dlsrv.online]

/* base   : https://v1.yt1s.biz
   node   : vv24.5.0
   note   : bisa pilih quality, bisa download by
            search query. liat cara pakai.
            list quality :
            audio : 64kbps, 96kbps, 128kbps, 256kbps, 320kbps
            video : 144p, 240p, 360p, 480p, 720p, 1080p
            input nya video id ya. bukan url lengkap
   by     : wolep
   update : 13 november 2025 03:40 wita
*/

import crypto from "crypto"

const yt = {

    get baseUrl() {
        return {
            origin: 'https://v2.yt1s.biz',
        }
    },

    get baseHeaders() {
        return {
            "accept": "application/json, text/plain, */*",
            "accept-encoding": "gzip, deflate, br, zstd",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36",
            'origin': this.baseUrl.origin
        }
    },

    validateString: function (string, description) {
        if (typeof (string) !== 'string' || !string?.trim()?.length) throw Error(`${description} can't be empty`)
    },

    handleFormat: function (userFormat) {
        const validFormat = ['64kbps', '96kbps', '128kbps', '256kbps', '320kbps', '144p', '240p', '360p', '480p', '720p', '1080p']
        if (!validFormat.includes(userFormat)) throw Error(`your format is invalid! just pick one of these. ${validFormat.join(', ')}`)
        const path = /p$/.test(userFormat) ? '/video' : '/audio'
        const quality = userFormat.match(/\d+/)[0]
        return { path, quality }
    },

    hit: async function (description, url, opts, returnType = 'text') {
        try {
            const r = await fetch(url, opts)
            if (!r.ok) throw Error(`${r.status} ${r.statusText} ${await r.text() || 'empty response'}`)
            let data
            if (returnType == 'json') {
                data = r.json()
            } else if (returnType == 'text') {
                data = r.text()
            } else {
                throw Error('invalid return type')
            }
            return { data, headers: r.headers }
        } catch (e) {
            throw Error(`hit gagal. ${description}. ${e.message}`)
        }
    },

    getSessionToken: async function () {
        const headers = this.baseHeaders
        const api = 'https://fast.dlsrv.online/'
        console.log('[getting session token]')
        const { headers: h } = await this.hit('get session', api, { headers })
        const result = h.get('x-session-token')
        if (!result) throw Error('session kosong!')
        return result
    },

    pow: function (session, path, startNonce = 0) {
        let nonce = startNonce
        let powHash = ''
        while (true) {
            const data = `${session}:${path}:${nonce}`
            powHash = crypto.createHash('SHA256').update(data).digest('hex')
            if (powHash.startsWith('0000')) {
                return {
                    'nonce': nonce.toString(),
                    'powHash': powHash
                }
            }
            nonce++
        }
    },

    apiSignature: function (session, path, timestamp) {
        const dataToSign = `${session}:${path}:${timestamp}`
        const secretKey = 'a8d4e2456d59b90c8402fc4f060982aa'
        const result = crypto.createHmac('SHA256', secretKey).update(dataToSign).digest('hex')
        return result
    },

    // fungsi utama
    download: async function (videoId, userFormat = '128kbps') {
        this.validateString(videoId, 'videoId')
        const { path, quality } = this.handleFormat(userFormat)
        const sessionToken = await this.getSessionToken()
        const timestamp = Date.now().toString()
        const signature = this.apiSignature(sessionToken, path, timestamp)
        const { nonce, powHash } = this.pow(sessionToken, path)

        const headers = {
            'content-type': 'application/json',
            'x-api-auth': "Ig9CxOQPYu3RB7GC21sOcgRPy4uyxFKTx54bFDu07G3eAMkrdVqXY9bBatu4WqTpkADrQ",
            'x-session-token': sessionToken,
            'x-signature': signature,
            'x-signature-timestamp': timestamp,
            'nonce': nonce,
            'powhash': powHash,
            ... this.baseHeaders
        }

        const api = `https://fast.dlsrv.online/gateway${path}`
        const body = JSON.stringify({ videoId, quality })

        //return { headers, body, api }

        console.log('[downloading]')
        const { data: result } = await this.hit('download', api, { headers, body, 'method': 'post' }, 'json')
        return result
    },

}


// cara pakai
yt.download('hTFDlGv2IWg', '128kbps')
    .then(console.log)
    .catch(e => {
        console.log(e)
    })

/* output
{
  status: 'tunnel',
  url: 'https://yt1s-worker-1.dlsrv.online/tunnel?id=679......kpzI4HejiqZg5oXbQ',
  filename: 'boy pablo - sick feeling (official video) - 777tv (youtube).mp3',
  duration: 156
}



*/