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Spotify Enhancer (Track Downloader) - Cross-Version

Integrate a download button for tracks on Spotify Web to download audio at 320kbps

  1. // ==UserScript==
  2. // @name         Spotify Enhancer (Track Downloader) - Cross-Version
  3. // @description  Integrate a download button for tracks on Spotify Web to download audio at 320kbps
  4. // @version      1.4
  5. // @match        https://open.spotify.com/*  // Adicionando a diretiva @match
  6. // @namespace https://greasyfork.org/users/1388220
  7. // ==/UserScript==
  8.  
  9. const API_HEADERS = {
  10.     'Host': 'api.spotifydown.com',
  11.     'Referer': 'https://spotifydown.com/',
  12.     'Origin': 'https://spotifydown.com',
  13. };
  14.  
  15. const BACKOFF_CONFIG = { initialDelay: 1000, maxDelay: 5000, factor: 2 };
  16.  
  17. const style = document.createElement('style');
  18. style.id = 'spotify-enhancer-320-styles';
  19. document.body.appendChild(style);
  20.  
  21. function applyStyles() {
  22.     const otherDownloader = document.querySelector('.btn');
  23.     style.innerHTML = `
  24.     [role='grid'] { margin-left: ${otherDownloader ? '90px' : '50px'}; }
  25.     [data-testid='tracklist-row'] { position: relative; }
  26.     .btn-320 { /* button styles */ width: 40px; /* etc */ }`;
  27. }
  28.  
  29. function addDownloadButton(element, trackInfo, spotifyId) {
  30.     if (element.querySelector('.btn-320')) return;
  31.     
  32.     const button = document.createElement('button');
  33.     button.className = 'btn-320';
  34.     button.onclick = function() { initiateDownload(spotifyId, trackInfo, this); };
  35.     element.appendChild(button);
  36. }
  37.  
  38. function initiateDownload(spotifyId, trackInfo, button) {
  39.     button.classList.add('loading');
  40.     let delay = BACKOFF_CONFIG.initialDelay;
  41.  
  42.     const downloadAttempt = function() {
  43.         downloadTrack(spotifyId).then(response => {
  44.             const link = document.createElement('a');
  45.             link.href = response.link;
  46.             link.download = `${trackInfo.title} - ${trackInfo.artist}.mp3`;
  47.             document.body.appendChild(link);
  48.             link.click();
  49.             document.body.removeChild(link);
  50.             button.classList.remove('loading');
  51.         }).catch(() => {
  52.             setTimeout(() => {
  53.                 delay = Math.min(delay * BACKOFF_CONFIG.factor, BACKOFF_CONFIG.maxDelay);
  54.                 downloadAttempt(); // Retry download attempt
  55.             }, delay);
  56.         });
  57.     };
  58.     
  59.     downloadAttempt(); // Start the first download attempt
  60. }
  61.  
  62. function downloadTrack(spotifyId) {
  63.     return new Promise((resolve, reject) => {
  64.         GM_xmlhttpRequest({
  65.             method: "GET",
  66.             url: `https://api.spotifydown.com/download/${spotifyId}`,
  67.             headers: API_HEADERS,
  68.             onload: function(response) {
  69.                 try {
  70.                     const result = JSON.parse(response.responseText);
  71.                     if (result.success) {
  72.                         resolve(result);
  73.                     } else {
  74.                         reject(new Error('Download failed'));
  75.                     }
  76.                 } catch (error) {
  77.                     reject(new Error('Failed to parse response'));
  78.                 }
  79.             },
  80.             onerror: reject
  81.         });
  82.     });
  83. }
  84.  
  85. function extractTrackInfo(trackElement) {
  86.     const title = trackElement.querySelector('[data-encore-id="text"][dir="auto"]').textContent.trim();
  87.     const artist = Array.from(trackElement.querySelectorAll('a[href^="/artist"]')).map(a => a.textContent.trim()).join(', ');
  88.     return { title, artist };
  89. }
  90.  
  91. function attachButtons() {
  92.     const tracks = document.querySelectorAll('[data-testid="tracklist-row"]');
  93.     tracks.forEach(track => {
  94.         const spotifyId = track.querySelector('[href^="/track"]').href.split('/').pop();
  95.         const trackInfo = extractTrackInfo(track);
  96.         addDownloadButton(track, trackInfo, spotifyId);
  97.     });
  98. }
  99.  
  100. new MutationObserver(function() {
  101.     applyStyles();
  102.     attachButtons();
  103. }).observe(document.body, { childList: true, subtree: true });