// ==UserScript==// @version         3.9// @name            YouTube -> download MP3 or Video from YouTube.// @namespace       https://greasyfork.org/ru/scripts/386967-youtube-download-mp3-or-video-from-youtube// @author			A.Vasin// @description     Simple YouTube MP3 & MP4 download buttons. Simple and fast.// @compatible      chrome// @compatible      firefox// @compatible      opera// @compatible      safari// @icon            https://avasin.fly.dev/UserScripts/YouTube-Saver/logo.png// @include         http*://www.youtube.com/*// @include      	http*://*.youtube.com/*// @include      	http*://youtube.com/*// @include      	http*://*.youtu.be/*// @include      	http*://youtu.be/*// @grant           GM_addStyle// @grant           GM_download// @run-at       	document-idle// @copyright   	2020-02-21 // a.vasin// @license         https://creativecommons.org/licenses/by-sa/4.0// ==/UserScript==class YouTubeSaver {constructor() {this.btnHolderSel = '#meta-contents #subscribe-button';this.downloadBtnClass = 'js-ytube-download';this.downloadAudioClass = 'js-mp3-download';this.language = (navigator.language || navigator.userLanguage).split('-')[0];this.defaultLang = 'en';this.baseServic###pportedLangs = ['en', 'ru', 'sk', 'it', 'es', 'fr', 'de', 'nl', 'pt', 'tr', 'no', 'kr', 'jp', 'pl', 'cn', 'hu', 'in', 'ro', 'gr', 'cz', 'bg', 'rs', 'sa', 'id'];this.baseServiceLang = this.baseServic###pportedLangs.includes(this.language) ? this.language : this.defaultLang;this.baseServiceUrl = `https://dirpy.com/studio?url=`; //https://y2mate.com/ru/youtube/sWgiVmcjt8cthis.formatMap = {mp3: '1',mp4: '8',mp4HD: '7'};this.audioServiceBaseUrl = 'https://www.y2mate.com/youtube-mp3/';this.initInterval = 400;this.checkInterval = 1000;this.btnSize = '10px';this.btnPadding = '10px 5px';this.loaderHtml = '<div class="loader"><div class="rect1"></div><div class="rect2"></div><div class="rect3"></div><div class="rect4"></div><div class="rect5"></div></div>';this.langProps = {en: {'download.mp3': 'Download MP3','download.video': 'Download VIDEO','download': 'Download'},ru: {'download.mp3': 'Скачать MP3','download.video': 'Скачать ВИДЕО','download': 'Скачать'},sk: {'download.mp3': 'Stiahnuť MP3','download.video': 'Stiahnuť VIDEO','download': 'Stiahnuť'},ua: {'download.mp3': 'Скачати MP3','download.video': 'Скачати VIDEO','download': 'Скачати'}}this.currentProps = this.langProps[this.language] || this.langProps[this.defaultLang];this.init();}getAudioBtnHtml(link) {const downloadUrl = this.getAudioDownloadUrl({url: link});return `<ahref="${downloadUrl}"target="_blank"class="${this.downloadBtnClass} ${this.downloadAudioClass}">${this.loaderHtml}${this.getLangProp('download.mp3')}</a>`;}getVideoBtnHtml(link) {const downloadUrl = this.getMateDownloadUrl(link);return `<ahref="${downloadUrl}"target="_blank"class="${this.downloadBtnClass}">${this.getLangProp('download.video')}</a>`;}init() {this.addStyles();this.initDownloadBtn();this.addDownloadIframe();}initDownloadBtn() {setInterval(() => {const appendToEl = document.querySelector(this.btnHolderSel);const downloadBtn = document.querySelector(`.${this.downloadBtnClass}`);// Append download buttons in case download mp3 button not available// && placeholder exist on pageif(!downloadBtn && appendToEl) {this.appendBtns(appendToEl);}}, this.initInterval);}bindEvents(ctx) {const audioBtn = ctx.querySelector(`.${this.downloadAudioClass}`);audioBtn && audioBtn.addEventListener('click', this.onAudioDownload.bind(this, audioBtn));}addDownloadIframe() {this.downloadFrame = document.createElement('iframe');document.body.append(this.downloadFrame);}addStyles() {GM_addStyle(`.${this.downloadBtnClass} {position: relative;border: 2px solid #3f51b5;padding: ${this.btnPadding};font-size: ${this.btnSize};font-weight: 500;text-align: center;margin: 5px 4px 0;color: #3f51b5;text-decoration: none;flex-grow: 1;text-transform: uppercase;}.${this.downloadAudioClass} {border-color: #ff5722;color: #ff5722;}.loading {pointer-events: none;color: transparent;}.loading .loader {display: block;}.loader {display: none;position: absolute;top: 0;left: 0;width: 100%;height: 100%;text-align: center;font-size: 10px;}.loader>div {background-color: #ff5722;height: 100%;width: 6px;margin: 0 1px;display: inline-block;animation: sk-stretchdelay 1.2s infinite ease-in-out;}.loader .rect2 {animation-delay: -1.1s;}.loader .rect3 {animation-delay: -1.0s;}.loader .rect4 {animation-delay: -0.9s;}.loader .rect5 {animation-delay: -0.8s;}@keyframes sk-stretchdelay {0%,40%,100% {transform: scaleY(0.4);}20% {transform: scaleY(1.0);}}`);}getLangProp(id) {return this.currentProps[id];}getAudioDownloadUrl({url} = {}) {const id = this.getVideoId(url);if(!id) {console.warn('Video ID not found/parsed.');return id;}return `${this.audioServiceBaseUrl}${id}`;}getMateDownloadUrl(link) {const urlArray = link.split('.com');return `${urlArray[0]}pp.com${urlArray[1]}`;}getBaseDownloadUrl({url, format = this.formatMap.mp3} = {}) {return `${this.baseServiceUrl}${encodeURIComponent(url)}&format=${format}`;}getNodeFromString(string) {const div = document.createElement('div');div.innerHTML = string.trim();return div.firstChild;}getVideoId(url) {const regExp = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#\&\?]*).*/;const match = url.match(regExp);return (match && match[7].length==11) ? match[7] : false;}getVideoTitle() {return (document.querySelector('.ytp-title-link') || document.title).innerText;}appendBtns(appendToEl) {const url = document.location.href;const audioBtnHtml = this.getAudioBtnHtml(url);const videoBtnHtml = this.getVideoBtnHtml(url);const downloadWrapper = this.getNodeFromString(`<div style="display: flex;">${audioBtnHtml}${videoBtnHtml}</div>`);//append buttons to the pageappendToEl.append(downloadWrapper);// TODO: uncomment events for audio button// this.bindEvents(appendToEl);}downloadFile(url, btn) {this.downloadFrame.onerror = this.downloadFailed.bind(this, btn);/*TODO: Update handling error casethis.downloadFrame.onload = () => {if(!this.downloadFrame.innerHTML) {this.downloadFailed(btn);this.downloadFrame.onload = null;this.downloadFrame.onerror = null;}}; */this.downloadFrame.src = url;}onAudioDownload(btn, e) {e.preventDefault();const _this = this;const url = btn.href;this.toggleLoader(btn);fetch(url).then(resp => resp.json()).then(({dlMusic, status}) => {switch (status) {case 'finished':_this.downloadFile(dlMusic, btn);setTimeout(_this.toggleLoader.bind(_this, btn, false), 500);break;case 'error':throw new Error(error);default:setTimeout(_this.onAudioDownload.bind(_this, btn, e), _this.checkInterval);break;}}).catch(_this.downloadFailed.bind(_this, btn));}downloadFailed(btn) {const alternativeUrl = this.getBaseDownloadUrl({url: window.location.href});this.toggleLoader(btn, false);window.open(alternativeUrl, '_blank');}toggleLoader(btn, isActivate = true, msg) {if(btn) {btn.classList.toggle('loading', isActivate);if(msg) {btn.innerText = msg;}}}}// Init downloaderconst saver = new YouTubeSaver();