// ==UserScript==
// @name Trình tải video
// @description Tải video.
// @version 0.9.45.fork
// @match https://*.youtube.com/*
// @require https://unpkg.com/vue@2.6.10/dist/vue.js
// @require https://unpkg.com/xfetch-js@0.3.4/xfetch.min.js
// @require https://unpkg.com/@ffmpeg/ffmpeg@0.6.1/dist/ffmpeg.min.js
// @require https://bundle.run/p-queue@6.3.0
// @grant GM_xmlhttpRequest
// @grant unsafeWindow
// @run-at document-start
// @connect googlevideo.com
// @namespace https://greasyfork.org/en/users/774487-kids-pops
// ==/UserScript==
;(function () {
'use strict'
const DEBUG = true
const createLogger = (console, tag) =>
Object.keys(console)
.map(k => [k, (...args) => (DEBUG ? console[k](tag + ': ' + args[0], ...args.slice(1)) : void 0)])
.reduce((acc, [k, fn]) => ((acc[k] = fn), acc), {})
const logger = createLogger(console, 'YTDL')
const sleep = ms => new Promise(res => setTimeout(res, ms))
const strings = {
togglelinks: 'Show/Hide Links',
stream: 'Stream',
adaptive: 'Adaptive',
dllow: 'Custom low-resolution mp4',
dlmp4: 'High-resolution mp4',
get_video_failed: 'Failed to get video infomation for unknown reason, refresh the page may work.',
live_stream_disabled_message: 'Local YouTube Downloader is not available for live stream'
}
const $ = (s, x = document) => x.querySelector(s)
const $el = (tag, opts) => {
const el = document.createElement(tag)
Object.assign(el, opts)
return el
}
const escapeRegExp = s => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
const parseDecsig = data => {
try {
if (data.startsWith('var script')) {
// they inject the script via script tag
const obj = {}
const document = {
createElement: () => obj,
head: { appendChild: () => {} }
}
eval(data)
data = obj.innerHTML
}
const fnnameresult = /=([a-zA-Z0-9\$]+?)\(decodeURIComponent/.exec(data)
const fnname = fnnameresult[1]
const _argnamefnbodyresult = new RegExp(escapeRegExp(fnname) + '=function\\((.+?)\\){(.+?)}').exec(data)
const [_, argname, fnbody] = _argnamefnbodyresult
const helpernameresult = /;(.+?)\..+?\(/.exec(fnbody)
const helpername = helpernameresult[1]
const helperresult = new RegExp('var ' + escapeRegExp(helpername) + '={[\\s\\S]+?};').exec(data)
const helper = helperresult[0]
logger.log(`parsedecsig result: %s=>{%s\n%s}`, argname, helper, fnbody)
return new Function([argname], helper + '\n' + fnbody)
} catch (e) {
logger.error('parsedecsig error: %o', e)
logger.info('script content: %s', data)
logger.info('If you encounter this error, please copy the full "script content" to https://pastebin.com/ for me.')
}
}
const parseQuery = s => [...new URLSearchParams(s).entries()].reduce((acc, [k, v]) => ((acc[k] = v), acc), {})
const parseResponse = (id, playerResponse, decsig) => {
logger.log(`video %s playerResponse: %o`, id, playerResponse)
let stream = []
if (playerResponse.streamingData.formats) {
stream = playerResponse.streamingData.formats.map(x =>
Object.assign({}, x, parseQuery(x.cipher || x.signatureCipher))
)
logger.log(`video %s stream: %o`, id, stream)
for (const obj of stream) {
if (obj.s) {
obj.s = decsig(obj.s)
obj.url += `&${obj.sp}=${encodeURIComponent(obj.s)}`
}
}
}
let adaptive = []
if (playerResponse.streamingData.adaptiveFormats) {
adaptive = playerResponse.streamingData.adaptiveFormats.map(x => Object.assign({}, x, parseQuery(x.cipher || x.signatureCipher)))
logger.log(`video %s adaptive: %o`, id, adaptive)
for (const obj of adaptive) {
if (obj.s) {
obj.s = decsig(obj.s)
obj.url += `&${obj.sp}=${encodeURIComponent(obj.s)}`
}
}
}
logger.log(`video %s result: %o`, id, { stream, adaptive })
return { stream, adaptive, details: playerResponse.videoDetails, playerResponse }
}
const ffWorker = FFmpeg.createWorker({
logger: DEBUG ? m => logger.log(m.message) : () => {}
})
let ffWorkerLoaded = false
const mergeVideo = async (video, audio) => {
if (!ffWorkerLoaded) await ffWorker.load()
await ffWorker.write('video.mp4', video)
await ffWorker.write('audio.mp4', audio)
await ffWorker.run('-i video.mp4 -i audio.mp4 -c copy output.mp4', { input: ['video.mp4', 'audio.mp4'], output: 'output.mp4' })
const { data } = await ffWorker.read('output.mp4')
await ffWorker.remove('output.mp4')
return data
}
const triggerDownload = (url, filename) => {
const a = document.createElement('a')
a.href = url
a.download = filename
document.body.appendChild(a)
a.click()
a.remove()
}
const template = `
<div class="box" :class="{'dark':dark}">
<template v-if="!isLiveStream">
<div @click="hide=!hide" class="box-toggle div-a t-center fs-14px c-pointer lh-20" v-text="strings.togglelinks"></div>
<div :class="{'hide':hide}">
<div class="d-flex">
<div class="f-1 of-h">
<div class="t-center fs-14px" v-text="strings.stream"></div>
<a class="ytdl-link-btn fs-14px t-center c-pointer" @click="dllow" v-text="strings.dllow"></a>
<a class="ytdl-link-btn fs-14px" target="_blank" v-for="vid in stream" :href="vid.url" :title="vid.type" v-text="formatStreamText(vid)"></a>
<a class="ytdl-link-btn fs-14px t-center c-pointer" @click="dlmp4" v-text="strings.dlmp4"></a>
</div>
<div class="f-1 of-h">
<div class="t-center fs-14px" v-text="strings.adaptive"></div>
<a class="ytdl-link-btn fs-14px" target="_blank" v-for="vid in adaptive" :href="vid.url" :title="vid.type" v-text="formatAdaptiveText(vid)"></a>
</div>
</div>
</div>
</template>
<template v-else>
<div class="t-center fs-14px lh-20" v-text="strings.live_stream_disabled_message"></div>
</template>
</div>
`.slice(1)
const app = new Vue({
data() {
return {
hide: true,
id: '',
isLiveStream: false,
stream: [],
adaptive: [],
details: null,
dark: true
}
},
computed: {
strings() {return strings}
},
methods: {
dllow() {
let vCode = parseInt(prompt("Video code",160))
let aCode = parseInt(prompt("Audio code",140))
openDownloadModel(this.adaptive, this.details.title, vCode + '|' + aCode)
},
dlmp4() {
openDownloadModel(this.adaptive, this.details.title, 'high')
},
formatStreamText(vid) {
let str = `${vid.itag} - ${vid.mimeType} - ${vid.width}x${vid.height}@${vid.fps}fps - ${(vid.approxDurationMs/1000*vid.bitrate/8/1024/1024).toFixed(2)}MB`
return str
},
formatAdaptiveText(vid) {
let str = `${vid.itag} - ${vid.mimeType} - ${vid.width}x${vid.height}@${vid.fps}fps - ${(vid.contentLength/1024/1024).toFixed(2)}MB`
if (vid.mimeType.includes('audio')) {
str = `${vid.itag} - ${vid.mimeType} - ${(vid.contentLength/1024/1024).toFixed(2)}MB`
}
return str
}
},
template
})
// attach element
const shadowHost = $el('div')
const shadow = shadowHost.attachShadow ? shadowHost.attachShadow({ mode: 'closed' }) : shadowHost // no shadow dom
logger.log('shadowHost: %o', shadowHost)
const container = $el('div')
shadow.appendChild(container)
app.$mount(container)
if (DEBUG && typeof unsafeWindow !== 'undefined') {
// expose some functions for debugging
unsafeWindow.$app = app
unsafeWindow.parseQuery = parseQuery
unsafeWindow.parseDecsig = parseDecsig
unsafeWindow.parseResponse = parseResponse
}
const load = async playerResponse => {
try {
const basejs = (typeof ytplayer !== 'undefined' && 'config' in ytplayer && ytplayer.config.assets
? 'https://' + location.host + ytplayer.config.assets.js : 'web_player_context_config' in ytplayer
? 'https://' + location.host + ytplayer.web_player_context_config.jsUrl : null)
|| $('script[src$="base.js"]').src
const decsig = await xf.get(basejs).text(parseDecsig)
const id = parseQuery(location.search).v
const data = parseResponse(id, playerResponse, decsig)
logger.log('video loaded: %s', id)
app.isLiveStream = data.playerResponse.playabilityStatus.liveStreamability != null
app.id = id
app.stream = data.stream
app.adaptive = data.adaptive
app.details = data.details
} catch (err) {
alert(app.strings.get_video_failed)
logger.error('load', err)
}
}
// hook fetch response
const ff = fetch
unsafeWindow.fetch = (...args) => {
if (args[0] instanceof Request) {
return ff(...args).then(resp => {
if (resp.url.includes('player')) {
resp.clone().json().then(load)
}
return resp
})
}
return ff(...args)
}
// attach element
setInterval(() => {
const el =
$('#info-contents') ||
$('#watch-header') ||
$('.page-container:not([hidden]) ytm-item-section-renderer>lazy-list')
if (el && !el.contains(shadowHost)) {
el.appendChild(shadowHost)
}
}, 100)
// init
unsafeWindow.addEventListener('load', () => {
const firstResp = unsafeWindow?.ytplayer?.config?.args?.raw_player_response
if (firstResp) {
load(firstResp)
}
})
const css = `
.ytdl-link-btn{
display: block;
border: 1px solid !important;
border-radius: 3px;
text-decoration: none !important;
outline: 0;
padding: 2px;
margin: 5px;
color: black;
}
a, .div-a{
text-decoration: none;
color: var(--yt-button-color, inherit);
}
a:hover, .div-a:hover{
color: var(--yt-spec-call-to-action, blue);
}
}
.c-pointer{
cursor: pointer;
}
.lh-20{
line-height: 20px;
}
`
shadow.appendChild($el('style', { textContent: css }))
})()
