Youtube Direct Downloader

Video/short download button hidden in three dots combo menu below video. Downloads MP4, WEBM or MP3 from youtube + option to redirect shorts to normal videos. Choose your preferred quality from 8k to audio only, codec (h264, vp9 or av1) or service provider (cobalt, y2mate, yt1s) in settings.

当前为 2024-08-31 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name                Youtube Direct Downloader
// @version             2.1.3
// @description         Video/short download button hidden in three dots combo menu below video. Downloads MP4, WEBM or MP3 from youtube + option to redirect shorts to normal videos. Choose your preferred quality from 8k to audio only, codec (h264, vp9 or av1) or service provider (cobalt, y2mate, yt1s) in settings.
// @author              FawayTT
// @namespace           FawayTT
// @supportURL          https://github.com/FawayTT/userscripts/issues
// @icon                https://github.com/FawayTT/userscripts/blob/main/youtube-downloader-icon.png?raw=true
// @match               https://www.youtube.com/*
// @connect             api.cobalt.tools
// @require             https://openuserjs.org/src/libs/sizzle/GM_config.js
// @grant               GM_getValue
// @grant               GM_setValue
// @grant               GM_registerMenuCommand
// @grant               GM_openInTab
// @grant               GM_xmlhttpRequest
// @license             MIT
// ==/UserScript==

GM_registerMenuCommand('Settings', opencfg);

const defaults = {
  downloadService: 'Cobalt',
  quality: 'max',
  vCodec: 'vp9',
  aFormat: 'mp3',
  filenamePattern: 'pretty',
  buttonDownloadInfo: 'onchange',
  isAudioMuted: false,
  disableMetadata: false,
  redirectShorts: false,
};

let gmc = new GM_config({
  id: 'config',
  title: 'Youtube direct downloader settings',
  fields: {
    downloadService: {
      section: ['Download method (use cobalt for best quality):'],
      label: 'Service',
      labelPos: 'left',
      type: 'select',
      default: defaults.downloadService,
      options: ['cobalt', 'y2mate', 'yt1s'],
    },
    quality: {
      section: ['Cobalt-only settings'],
      label: 'Quality:',
      labelPos: 'left',
      type: 'select',
      default: defaults.quality,
      options: ['max', '2160', '1440', '1080', '720', '480', '360', '240', '144'],
    },
    vCodec: {
      label: 'Video codec (h264 [MP4] for best compatibility, vp9 [WEBM] for better quality. AV1 = best quality but is used only by few videos):',
      labelPos: 'left',
      type: 'select',
      default: defaults.vCodec,
      options: ['h264', 'vp9', 'av1'],
    },
    aFormat: {
      label: 'Audio format:',
      type: 'select',
      default: defaults.aFormat,
      options: ['best', 'mp3', 'ogg', 'wav', 'opus'],
    },
    isAudioMuted: {
      label: 'Download videos without audio:',
      type: 'checkbox',
      default: defaults.isAudioMuted,
    },
    disableMetadata: {
      label: 'Download videos without metadata:',
      type: 'checkbox',
      default: defaults.disableMetadata,
    },
    filenamePattern: {
      label: 'Filename pattern:',
      type: 'select',
      default: defaults.filenamePattern,
      options: ['classic', 'pretty', 'basic', 'nerdy', 'opus'],
    },
    buttonDownloadInfo: {
      label: 'Show quality info below button:',
      type: 'select',
      default: defaults.buttonDownloadInfo,
      options: ['always', 'onchange', 'never'],
    },
    redirectShorts: {
      section: ['Extra features'],
      label: 'Redirect shorts:',
      labelPos: 'left',
      type: 'checkbox',
      default: defaults.redirectShorts,
    },
    url: {
      section: ['Links'],
      label: 'My other userscripts',
      type: 'button',
      click: () => {
        GM_openInTab('https://github.com/FawayTT/userscripts');
      },
    },
    cobaltUrl: {
      label: 'Cobalt',
      type: 'button',
      click: () => {
        GM_openInTab('https://github.com/imputnet/cobalt');
      },
    },
  },
  events: {
    save: function () {
      gmc.close();
      deleteButton();
      createButton();
    },
    init: onInit,
  },
});

function opencfg() {
  gmc.open();
  config.style = `
  width: 100%;
  height: 100%;
  max-height: 40rem;
  max-width: 80rem;
  border-radius: 10px;
  z-index: 9999999;
  position: fixed;
  `;
}

let timeout;
let oldHref = document.location.href;
let menuIndex = 1;
const menuMaxTries = 10;

function getYouTubeVideoID(url) {
  const urlParams = new URLSearchParams(new URL(url).search);
  return urlParams.get('v');
}

function download(isAudioOnly) {
  switch (gmc.get('downloadService')) {
    case 'y2mate':
      if (isAudioOnly) window.open(`https://www.y2mate.com/youtube-mp3/${getYouTubeVideoID(document.location.href)}`);
      else window.open(`https://www.y2mate.com/download-youtube/${getYouTubeVideoID(document.location.href)}`);
      break;
    case 'yt1s':
      if (isAudioOnly) window.open(`https://www.yt1s.com/en/youtube-to-mp3?q=${getYouTubeVideoID(document.location.href)}`);
      else window.open(`https://www.yt1s.com/en/youtube-to-mp4?q=${getYouTubeVideoID(document.location.href)}`);
      break;
    default:
      GM_xmlhttpRequest({
        method: 'POST',
        url: 'https://api.cobalt.tools/api/json',
        headers: {
          Accept: 'application/json',
          'Content-Type': 'application/json',
        },
        data: JSON.stringify({
          url: encodeURI(document.location.href),
          vQuality: gmc.get('quality'),
          vCodec: gmc.get('vCodec'),
          aFormat: gmc.get('aFormat'),
          filenamePattern: gmc.get('filenamePattern'),
          isAudioMuted: gmc.get('isAudioMuted'),
          disableMetadata: gmc.get('disableMetadata'),
          isAudioOnly: isAudioOnly,
        }),
        onload: (response) => {
          const data = JSON.parse(response.responseText);
          if (data.url) window.open(data.url);
        },
      });
      break;
  }
}

function addButtonDownloadInfo(serviceName, div) {
  if (serviceName === 'cobalt') {
    const option = gmc.get('buttonDownloadInfo');
    if (option === 'never') return;
    const quality = gmc.get('quality') || defaults.quality;
    const vCodec = gmc.get('vCodec') || defaults.vCodec;
    if (option === 'onchange' && quality === defaults.quality && vCodec === defaults.vCodec) return;
    const qualityText = `${quality}, ${vCodec}`;
    const downloadInfo = document.createElement('custom-dwn-button-download-info');
    downloadInfo.style.cssText = `
                position: absolute;
                left: 0;
                bottom: -10px;
                font-size: 0.8rem;
                color: var(--yt-spec-text-primary);
                opacity: 0.6;`;
    downloadInfo.innerText = qualityText;
    div.appendChild(downloadInfo);
  }
}

function deleteButton() {
  if (document.getElementsByTagName('custom-dwn-button').length === 0) return;
  const button = document.getElementsByTagName('custom-dwn-button')[0];
  button.remove();
}

function createButton() {
  if (document.getElementsByTagName('custom-dwn-button').length !== 0) return;
  const serviceName = gmc.get('downloadService') || defaults.downloadService;
  const menu = document.getElementsByTagName('ytd-menu-popup-renderer')[0];
  const downButtonOuter = document.createElement('custom-dwn-button');
  const icon = document.createElement('div');
  const text = document.createElement('custom-dwn-button-text');
  const downButton = document.createElement('button');
  const extra = document.createElement('div');
  const settings = document.createElement('div');
  const downAudioOnly = document.createElement('div');
  menu.style.minHeight = '100px';
  menu.style.minWidth = '150px';
  text.style.position = 'relative';
  downButtonOuter.style.cssText = `
          cursor: pointer;
          margin-top: 8px;
          font-size: 1.4rem;
          line-height: 2rem;
          font-weight: 400;
          position: relative;
          color: var(--yt-spec-text-primary);
          font-family: "Roboto","Arial",sans-serif;
          white-space: nowrap;
          display: flex;
          margin-bottom: -10px;
          padding: 10px 0 10px 21px;
          gap: 23px;
          align-items: center;
          text-transform: capitalize`;
  downButton.style.cssText = `
            position: absolute;
            left: 0;
            top: 0;
            width: 90%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
            z-index: 9999;`;
  extra.style.cssText = `
            position: absolute;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
            padding: 1px;
            color: var(--yt-spec-text-primary);
            z-index: 9999;
            right: 0;
            top: 0;
            width: 10%;
            height: 90%;`;
  icon.style.cssText = `
            font-size: 2.1rem;`;
  icon.innerText = '⇩';
  text.innerText = serviceName;
  settings.innerText = '☰';
  downAudioOnly.innerText = '▶';
  addButtonDownloadInfo(serviceName, text);
  downAudioOnly.title = `Download audio only`;
  settings.title = 'Settings';
  downButtonOuter.appendChild(icon);
  downButtonOuter.appendChild(text);
  downButtonOuter.appendChild(extra);
  downButtonOuter.appendChild(downButton);
  extra.appendChild(settings);
  extra.appendChild(downAudioOnly);
  downButton.addEventListener('click', () => {
    download();
  });
  downAudioOnly.addEventListener('click', () => {
    download(true);
  });
  settings.addEventListener('click', opencfg);
  downButtonOuter.addEventListener('mouseenter', () => {
    downButtonOuter.style.backgroundColor = 'var(--yt-spec-10-percent-layer)';
  });
  downButtonOuter.addEventListener('mouseleave', () => {
    downButtonOuter.style.backgroundColor = '';
  });
  menu.insertBefore(downButtonOuter, menu.firstChild);
}

function watchMenu() {
  menuIndex += 1;
  if (menuMaxTries < menuIndex) {
    menuIndex = 1;
    clearTimeout(timeout);
    return;
  }
  if (document.location.href.indexOf('youtube.com/shorts') > -1) {
    const menu = document.getElementById('menu-button');
    if (!menu) {
      timeout = setTimeout(watchMenu, 500 * menuIndex);
      return;
    }
    menu.addEventListener('click', createButton);
    menuIndex = 1;
    clearTimeout(timeout);
    return;
  }
  const topRow = document.getElementById('top-row');
  const menu = topRow.querySelector('#button-shape');
  if (!topRow || !menu) {
    timeout = setTimeout(() => {
      watchMenu(false);
    }, 500 * menuIndex);
    return;
  }
  menu.addEventListener('click', createButton);
  menuIndex = 1;
  clearTimeout(timeout);
}

function modifyMenu() {
  if (document.location.href.indexOf('youtube.com/watch') === -1 && document.location.href.indexOf('youtube.com/shorts') === -1) return;
  if (document.hidden) {
    window.addEventListener('visibilitychange', () => {
      if (document.hidden) return;
      timeout = setTimeout(watchMenu, 500 * menuIndex);
    });
  } else timeout = setTimeout(watchMenu, 500 * menuIndex);
}

function checkShort() {
  if (document.location.href.indexOf('youtube.com/shorts') > -1 && gmc.get('redirectShorts')) window.location.replace(window.location.toString().replace('/shorts/', '/watch?v='));
}

function onInit() {
  const bodyList = document.querySelector('body');
  checkShort();
  modifyMenu();
  const observer = new MutationObserver(function (mutations) {
    mutations.forEach(function (mutation) {
      if (oldHref != document.location.href) {
        checkShort();
        oldHref = document.location.href;
        modifyMenu();
      }
    });
  });
  observer.observe(bodyList, {
    childList: true,
    subtree: true,
  });
}