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// ==UserScript==
// @name Spotify Enhancer (Track Downloader)
// @description Integrate a download button for tracks on Spotify Web to download audio at 320kbps
// @icon https://raw.githubusercontent.com/exyezed/spotify-enhancer/refs/heads/main/extras/spotify-enhancer.png
// @version 1.6
// @author exyezed
// @namespace https://github.com/exyezed/spotify-enhancer/
// @supportURL https://github.com/exyezed/spotify-enhancer/issues
// @license MIT
// @match *://open.spotify.com/*
// @grant GM_xmlhttpRequest
// @connect api.spotifydown.com
// ==/UserScript==
(function() {
'use strict';
const API_REQUEST_HEADERS = {
'Host': 'api.spotifydown.com',
'Referer': 'https://spotifydown.com/',
'Origin': 'https://spotifydown.com',
};
const RETRY_CONFIG = {
initialDelay: 1000,
maxDelay: 5000,
backoffFactor: 2
};
function isOtherDownloaderInstalled() {
return document.querySelector('.btn') !== null;
}
function getStyles() {
const otherInstalled = isOtherDownloaderInstalled();
const marginLeft = otherInstalled ? '90px' : '50px';
const buttonMarginRight = otherInstalled ? '10px' : '10px';
const buttonSpacing = otherInstalled ? '5px' : '0';
return `
[role='grid'] {
margin-left: ${marginLeft} !important;
}
[data-testid='tracklist-row'] {
position: relative;
}
[role="presentation"] > * {
contain: unset;
}
.btn-320 {
width: 36px;
height: 36px;
border-radius: 50%;
border: 0;
background: linear-gradient(135deg, #00da5a, #008f3b);
position: relative;
cursor: pointer;
transition: all 0.3s ease;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
display: flex;
align-items: center;
justify-content: center;
margin-left: ${buttonSpacing};
}
.N7GZp8IuWPJvCPz_7dOg .btn-320 {
width: 24px;
height: 24px;
position: absolute;
top: 50%;
transform: translateY(-50%);
right: ${otherInstalled ? 'calc(100% + 50px)' : '100%'};
margin-right: ${buttonMarginRight};
}
.N7GZp8IuWPJvCPz_7dOg .btn-320::after {
width: 16px;
height: 16px;
}
.btn-320::after {
content: '';
position: absolute;
width: 24px;
height: 24px;
background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24"><g fill="none" stroke="%23ffffff" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"><path stroke-dasharray="32" stroke-dashoffset="32" d="M12 3c4.97 0 9 4.03 9 9c0 4.97 -4.03 9 -9 9"><animate fill="freeze" attributeName="stroke-dashoffset" dur="0.4s" values="32;0"/><set fill="freeze" attributeName="stroke-dasharray" begin="0.8s" to="2 4"/></path><path stroke-dasharray="32" stroke-dashoffset="32" d="M12 21c-4.97 0 -9 -4.03 -9 -9c0 -4.97 4.03 -9 9 -9"><animate fill="freeze" attributeName="stroke-dashoffset" begin="0.4s" dur="0.4s" values="32;0"/></path><path stroke-dasharray="10" stroke-dashoffset="10" d="M12 8v7.5"><animate fill="freeze" attributeName="stroke-dashoffset" begin="0.8s" dur="0.2s" values="10;0"/></path><path stroke-dasharray="6" stroke-dashoffset="6" d="M12 15.5l3.5 -3.5M12 15.5l-3.5 -3.5"><animate fill="freeze" attributeName="stroke-dashoffset" begin="1s" dur="0.2s" values="6;0"/></path></g></svg>');
background-position: center;
background-repeat: no-repeat;
background-size: 100%;
}
.btn-320:hover {
transform: scale(1.1);
box-shadow: 0 4px 8px rgba(0,0,0,0.3);
background: linear-gradient(135deg, #00ff69, #00ab46);
}
.btn-320.loading::after {
background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24"><g fill="none" stroke="%23ffffff" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"><path stroke-dasharray="2 4" stroke-dashoffset="6" d="M12 3c4.97 0 9 4.03 9 9c0 4.97 -4.03 9 -9 9"><animate attributeName="stroke-dashoffset" dur="0.6s" repeatCount="indefinite" values="6;0"/></path><path stroke-dasharray="32" stroke-dashoffset="32" d="M12 21c-4.97 0 -9 -4.03 -9 -9c0 -4.97 4.03 -9 9 -9"><animate fill="freeze" attributeName="stroke-dashoffset" begin="0.1s" dur="0.4s" values="32;0"/></path><path stroke-dasharray="10" stroke-dashoffset="10" d="M12 8v7.5"><animate fill="freeze" attributeName="stroke-dashoffset" begin="0.5s" dur="0.2s" values="10;0"/></path><path stroke-dasharray="6" stroke-dashoffset="6" d="M12 15.5l3.5 -3.5M12 15.5l-3.5 -3.5"><animate fill="freeze" attributeName="stroke-dashoffset" begin="0.7s" dur="0.2s" values="6;0"/></path></g></svg>');
}
[data-testid='tracklist-row'] .btn-320 {
position: absolute;
top: 50%;
transform: translateY(-50%);
right: ${otherInstalled ? 'calc(100% + 50px)' : '100%'};
margin-right: ${buttonMarginRight};
}
[data-testid='tracklist-row'].N7GZp8IuWPJvCPz_7dOg .btn-320 {
right: ${otherInstalled ? 'calc(99% + 50px)' : '99%'};
}
`;
}
function updateStyles() {
const styleElement = document.getElementById('spotify-enhancer-320-styles');
if (styleElement) {
styleElement.textContent = getStyles();
}
}
function createStyleElement() {
const style = document.createElement('style');
style.id = 'spotify-enhancer-320-styles';
style.textContent = getStyles();
document.body.appendChild(style);
}
function observeBodyChanges() {
const observer = new MutationObserver(() => {
if (isOtherDownloaderInstalled()) {
updateStyles();
observer.disconnect();
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
}
async function delay(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function attemptDownload(spotifyId) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: "GET",
url: `https://api.spotifydown.com/download/${spotifyId}`,
headers: API_REQUEST_HEADERS,
onload: response => {
try {
const result = JSON.parse(response.responseText);
if (!result.success) {
reject(new Error(result.message || 'Download failed'));
} else {
resolve(result);
}
} catch (error) {
reject(new Error('Failed to parse response'));
}
},
onerror: reject
});
});
}
async function downloadWithRetry(spotifyId, trackInfo) {
const button = this;
button.classList.add('loading');
let currentDelay = RETRY_CONFIG.initialDelay;
let attempts = 0;
while (true) {
try {
const response = await attemptDownload(spotifyId);
const link = document.createElement('a');
link.href = response.link;
if (trackInfo) {
link.download = `${trackInfo.title} - ${trackInfo.artist}.mp3`;
}
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
button.classList.remove('loading', 'retrying');
return;
} catch (error) {
attempts++;
console.log(`Attempt ${attempts} failed, retrying in ${currentDelay}ms...`);
button.classList.add('retrying');
await delay(currentDelay);
currentDelay = Math.min(
currentDelay * RETRY_CONFIG.backoffFactor,
RETRY_CONFIG.maxDelay
);
}
}
}
const downloadTrack = downloadWithRetry;
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
function getTrackInfoFromArtist(trackElement) {
const titleElement = trackElement.querySelector('.encore-text.encore-text-body-medium');
const artistElement = document.querySelector('span[data-testid="entityTitle"] h1');
if (titleElement && artistElement) {
return {
title: titleElement.textContent.trim(),
artist: artistElement.textContent.trim()
};
}
return null;
}
function getTrackInfo(trackElement) {
if (window.location.href.includes('/artist/')) {
return null;
}
const titleElement = trackElement.querySelector('div[data-encore-id="text"][dir="auto"]');
const artistElements = trackElement.querySelectorAll('a[href^="/artist"]');
if (titleElement && artistElements.length > 0) {
const artists = Array.from(artistElements)
.map(el => el.textContent.trim())
.join(', ');
return {
title: titleElement.textContent.trim(),
artist: artists
};
}
return null;
}
function createDownloadButton() {
const button = document.createElement('button');
button.className = 'btn-320';
button.title = 'Download 320kbps';
return button;
}
function addButtonToTrack(track) {
if (!track.hasButton320) {
const button = createDownloadButton();
track.appendChild(button);
track.hasButton320 = true;
return button;
}
return null;
}
function animate() {
const currentUrl = window.location.href;
const urlParts = currentUrl.split('/');
const type = urlParts[3];
if (type === 'artist') {
const tracks = document.querySelectorAll('[role="gridcell"]');
tracks.forEach(track => {
if (track.querySelector('.encore-text-body-medium') && !track.hasButton320) {
const button = addButtonToTrack(track);
if (button) {
button.onclick = async function() {
const trackLink = track.querySelector('a[href^="/track"]');
if (trackLink) {
const spotifyId = trackLink.href.split('/').pop().split('?')[0];
const trackInfo = getTrackInfoFromArtist(track);
downloadTrack.call(this, spotifyId, trackInfo);
}
};
}
}
});
} else {
const tracks = document.querySelectorAll('[data-testid="tracklist-row"]');
tracks.forEach(track => {
if (!track.hasButton320) {
const button = addButtonToTrack(track);
if (button) {
button.onclick = async function() {
const btn = track.querySelector('[data-testid="more-button"]');
btn.click();
await sleep(1);
const highlight = document.querySelector('#context-menu a[href*="highlight"]').href.match(/highlight=(.+)/)[1];
document.dispatchEvent(new MouseEvent('mousedown'));
const spotifyId = highlight.split(':')[2];
const trackInfo = getTrackInfo(track);
downloadTrack.call(this, spotifyId, trackInfo);
};
}
}
});
}
if (type === 'track') {
const actionBarRow = document.querySelector('[data-testid="action-bar-row"]:last-of-type');
if (actionBarRow && !actionBarRow.hasButton320) {
const button = addButtonToTrack(actionBarRow);
if (button) {
button.onclick = function() {
const id = urlParts[4].split('?')[0];
const titleElement = document.querySelector('h1');
const artistElement = document.querySelector('a[href^="/artist"]');
const trackInfo = titleElement && artistElement ? {
title: titleElement.textContent.trim(),
artist: artistElement.textContent.trim()
} : null;
downloadTrack.call(this, id, trackInfo);
};
}
}
}
}
createStyleElement();
observeBodyChanges();
setInterval(animate, 1000);
})();
console.log("Spotify Enhancer (Track Downloader) is running");