Greasy Fork

// ==UserScript==// @name         Soundcloud Downloader Clean// @namespace    https://openuserjs.org/users/webketje// @version      1.0.0// @description  An ad-less, multilingual, clean Soundcloud downloader with robust code. Adds a 'Download' button in the toolbar of all single track views.// @author       webketje// @license      MIT// @icon         https://a-v2.sndcdn.com/assets/images/sc-icons/favicon-2cadd14bdb.ico// @homepageURL  https://gist.github.com/webketje/8cd2e6ae8a86dbe0533c5d2c612c42c6// @supportURL   https://gist.github.com/webketje/8cd2e6ae8a86dbe0533c5d2c612c42c6#comments// @noframes// @match        https://soundcloud.com/*// @grant        unsafeWindow// @require      https://cdn.jsdelivr.net/npm/file-saver@2.0.5/dist/FileSaver.min.js// ==/UserScript==/* globals saveAs */(function() {'use strict';var win = unsafeWindow || window;var containerSelector = '.soundActions.sc-button-toolbar .sc-button-group';var scdl = {debug: false,client_id: '',dlButtonId: 'scdlc-btn',modalId: 'scdl-third-party-modal'};var labels = ({en: {download: 'Download',downloading: 'Downloading',copy: 'Copy',copy_success: 'Copied to clipboard',copy_failure: 'Failed to copy to clipboard!',close: 'Close',modal_title: 'could not download this track. Use one of these third-party services instead?'},es: {download: 'Descargar',downloading: 'Descargando..',copy: 'Copiar',copy_success: 'Copiada al portapapeles',copy_failure: '¡No se pudo copiar al portapapeles!',close: '',modal_title: 'no se pudo descargar esta banda sonora. ¿Utilizar uno de estos servicios de terceros en su lugar?'},fr: {download: 'Télécharger',downloading: 'Téléchargement..',copy: 'Copier',copy_success: 'Copié dans le presse-papiers!',copy_failure: 'Échec de la copie dans le presse-papiers !',close: 'Fermer',modal_title: 'ne peut pas télécharger ce fichier. Utiliser l’un de ces services tiers ?'},nl: {download: 'Downloaden',downloading: 'Downloaden..',copy: 'Kopiëren',copy_success: 'Naar klembord gekopieerd!',copy_failure: 'Kopiëren naar klembord mislukt!',close: 'Sluiten',modal_title: 'kon dit bestand niet downloaden. Een van deze externe diensten gebruiken?'},de: {download: 'Herunterladen',downloading: 'Herunterladen..',copy: 'Kopieren',copy_success: 'In die Zwischenablage kopiert',copy_failure: 'Kopieren in die Zwischenablage fehlgeschlagen!',close: 'Schließen',modal_title: 'konnte diesen Sound nicht herunterladen. Nutzen Sie stattdessen einen dieser Drittanbieterdienste?'},pl: {download: 'Ściągnij',downloading: 'Ściąganie..',copy: 'Kopiuj',copy_success: 'Skopiowano do schowka',copy_failure: 'Nie udało się skopiować do schowka!!',close: 'Zamknij',modal_title: 'nie udało się pobrać tego utworu. Zamiast tego skorzystać z jednej z usług stron trzecich?'},it: {download: 'Scaricare',downloading: 'Scaricando..',copy: 'Copia',copy_success: 'Copiato negli appunti',copy_failure: 'Impossibile copiare negli appunti!',close: 'Chiudi',modal_title: 'non è stato possibile scaricare questo suono. Utilizzi invece uno di questi servizi di terze parti?'},pt_BR: {download: 'Baixar',downloading: 'Baixando..',copy: 'Copiar',copy_success: 'Copiado para a área de transferência',copy_failure: 'Falha ao copiar para a área de transferência!!',close: 'Fechar',modal_title: 'não foi possível baixar este som. Usar um desses serviços de terceiros?'},sv: {download: 'Ladda ner',downloading: 'Laddar ner..',copy: 'Kopiera',copy_success: 'Kopierat till urklipp',copy_failure: 'Det gick inte att kopiera till urklipp!',close: 'Stäng',modal_title: 'han kunde inte ladda ner det här ljudet. Använd någon av dessa tredjepartstjänster istället?'}})[document.documentElement.lang || 'en']/***   @desc Log to console only if debug is true*/function log() {var stamp  = new Date().toLocaleString(),args   = [].slice.call(arguments),prefix = ['SCDLC', stamp, '-'].join(' ');if (scdl.debug) console.log.apply(console, [prefix + args[0]].concat(args.slice(1)));};/***   @desc There is no other way to retrieve a Soundcloud client_id than by spying on existing requests.*         We temporarily patch the XHR.send method to retrieve the url passed to it.*   @param restoreIfTrue - restores the original prototype method when true is returned*   @param onRestore - a function to exec when the restoreIfTrue condition is met*/function patchXHR(restoreIfTrue, onRestore) {var originalXHR = win.XMLHttpRequest.prototype.open;win.XMLHttpRequest.prototype.open = function() {originalXHR.apply(this, arguments);var restore = restoreIfTrue.apply(this, arguments);if (restore) {win.XMLHttpRequest.prototype.open = originalXHR;onRestore(restore);}};};scdl.getTrackName = function(trackJSON) {return [trackJSON.user.username,trackJSON.title].join(' - ');};scdl.getMediaURL = function(json, onresolve, onerror) {if (json.media && json.media.transcodings) {var found = json.media.transcodings.filter(function(tc) {return tc.format && tc.format.protocol === 'progressive';})[0];if (found) {var xhr = new XMLHttpRequest();xhr.onload = function() {var r###lt;try {r###lt = JSON.parse(xhr.responseText);} catch (err) {}if (r###lt && r###lt.url)onresolve(r###lt.url);elseonerror(false);};xhr.onerror = onerror;xhr.open('GET', found.url + '?client_id=' + scdl.client_id);xhr.send();} else {onerror(false);}} else {onerror(false);}};scdl.getStreamURL = function(url, onresolve, onerror) {var xhr = new XMLHttpRequest();xhr.onload = function() {var trackJSON = JSON.parse(xhr.responseText);scdl.getMediaURL(trackJSON, function resolve(url) {onresolve({stream_url: url,track_name: scdl.getTrackName(trackJSON)});}, function reject() {onerror(false);})}.bind(this);xhr.onerror = function() {onerror(false);};xhr.open('GET', 'https://api-v2.soundcloud.com/resolve?url=' + encodeURIComponent(url) + '&client_id=' + this.client_id);xhr.send();};scdl.button = {download: function(e) {e.preventDefault();var dlButton = document.getElementById(scdl.dlButtonId)if (dlButton) {dlButton.textContent = labels.downloading;}setTimeout(function() {saveAs(e.target.href, e.target.dataset.title);if (dlButton) {dlButton.textContent = labels.download;}}, 100)},render: function(href, title, onClick) {var label = labels.download;var a = document.createElement('a');a.className = "sc-button sc-button-medium sc-button-responsive sc-button-download";a.href = href;a.id = scdl.dlButtonId;a.textContent = label;a.title = label;a.dataset.title = title + '.mp3';a.setAttribute('download', title + '.mp3');a.target = '_blank';a.onclick = onClick;a.style.marginLeft = '5px';a.style.cssFloat = 'left';a.style.border = '1px solid orangered';return a;},attach:function() {var args = arguments, self = this, iterations = 0// account for rendering delaysvar intv = setInterval(function() {var f = document.querySelector(containerSelector)iterations++if (f && !document.getElementById(scdl.dlButtonId)) {f.insertAdjacentElement('beforeend', self.render.apply(self, args));log('Attaching download button to element:', f)clearInterval(intv)// stop after trying to find the element for 5s} else if (iterations === 50) {log('%c Couldn\'t find element "' + containerSelector + '" after 2 seconds', 'color: #FF0000;')clearInterval(intv)}}, 100)},remove: function() {var btn = document.getElementById(scdl.dlButtonId);if (btn)btn.parentNode.removeChild(btn);}};scdl.modal = {providers: ['aHR0cHM6Ly9zY2xvdWRkb3dubG9hZGVyLm5ldA==','aHR0cHM6Ly93d3cuc291bmRjbG91ZG1wMy5vcmc=','aHR0cHM6Ly9zb3VuZGNsb3VkbWUuY29t'],render: function(title) {var temp = document.createElement('div'), self = thisconst html = ['<div class="modal g-z-index-modal-background g-opacity-transition g-z-index-overlay modalWhiteout showBackground g-backdrop-filter-grayscale" style="outline: none; padding-right: 0px; display: flex; justify-content: center;" tabindex="-1" id="scdl-third-party-modal">','<div class="modal__modal sc-border-box g-z-index-modal-content transparentBackground" style="height: auto;">','<button type="button" title="' + labels.close + '" class="modal__closeButton">' + labels.close + '</button>','<div class="modal__content"><div class="tabs"><div class="tabs__content"><div class="tabs__contentSlot" style="display: block;"><article class="shareContent">','<div class="publicShare"><section class="g-modal-section sc-clearfix sc-pt-2x">','<h2 class="sc-orange">Soundcloud Downloader Clean ' + labels.modal_title + '</h2>','</section><section class="g-modal-section sc-clearfix sc-pt-2x">','<h3 style="margin-bottom: 0.5rem;">' + labels.download + ' <em>' + title + '</em> via: </h3>',this.providers.map(p => ['<div><a href="', win.atob(p), '" target="_blank" style="display: inline-block; font-size: 14px; padding: 0.25rem 0;">', win.atob(p), '</a></div>'].join('')).join(''),'<div class="shareLink sc-clearfix publicShare__link sc-pt-2x m-showPositionOption" style="margin-top: 1rem;">','<label for="shareLink__field" style="margin-right:0.5rem;">Link</label>','<input type="text" value="' + win.location.href + '" class="shareLink__field sc-input" id="shareLink__field" readonly="readonly">','<button class="sc-button sc-button-copy">' + labels.copy + '</button>','<span class="sc-copy-feedback" style="margin-left: 1rem;"></span>','</div>','</section></div></article></div></div></div></div></div></div>'].join('')temp.innerHTML = htmlvar cnt = temp.firstElementChildcnt.addEventListener('click', function(e) {if (this === e.target || e.target.classList.contains('modal__closeButton')) {self.remove()} else if (e.target.classList.contains('sc-button-copy')) {navigator.clipboard.writeText(win.location.href).then(function() {var f = cnt.querySelector('.sc-copy-feedback')f.innerHTML = '<span style="color: green;">Copied to clipboard!</span>'}, function(err) {log('Failed to write URL to the clipboard.', err)var f = cnt.querySelector('.sc-copy-feedback')f.innerHTML = '<span style="color: red;">Failed to copy to clipboard!</span>'})}})return cnt},attach: function() {this.remove()document.body.appendChild(this.render.apply(this, arguments))},remove: function() {var modal = document.getElementById(scdl.modalId);if (modal)modal.parentNode.removeChild(modal);}}scdl.parseClientIdFromURL = function(url) {var search = /client_id=([\w\d]+)&*/;return url && url.match(search) && url.match(search)[1];};scdl.getClientID = function(onClientIDFound) {patchXHR(function(method, url) {return scdl.parseClientIdFromURL(url);}, onClientIDFound);};scdl.load = function(url) {// for now only make available for single track pagesif (/^(\/(you|stations|discover|stream|upload|search|settings|.+?\/sets))/.test(win.location.pathname)) {scdl.button.remove();return;}scdl.getStreamURL(url,function onSuccess(r###lt) {if (!r###lt) {scdl.button.remove();} else {log('Detected valid Soundcloud artist track URL. Requesting info...');scdl.button.attach(r###lt.stream_url,r###lt.track_name,scdl.button.download);}},function onError() {log('%c No compatible media transcoding found.', 'color: #FF0000;');scdl.button.attach('javascript:void(0);', 'None', function() {var title = document.querySelector('.soundTitle__title')var artist = document.querySelector('.soundTitle__username')scdl.modal.attach([artist.textContent.trim(), '-', title.textContent.trim()].join(' '))})});};// patch front-end navigation['pushState','replaceState','forward','back','go'].forEach(function(event) {var tmp = win.history.pushState;win.history[event] = function() {tmp.apply(win.history, arguments);scdl.load(win.location.href);}});if (scdl.debug) win.scdl = scdl;scdl.getClientID(function(id) {log('Found Soundcloud client id:', id, '. Initializing...');scdl.client_id = id;scdl.load(win.location.href);});})();