Spotify-side buttons that send tracks/playlists to spotidown.app (+ auto flow). On spotidown.app: resolve per-track links in parallel, show counters, bulk-open, clean filenames, retry, persistent UI.
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// ==UserScript==
// @name SpotiDown Helper + Spotify UI Integration
// @namespace sharmanhall.spotidown.helper
// @version 1.9.0
// @description Spotify-side buttons that send tracks/playlists to spotidown.app (+ auto flow). On spotidown.app: resolve per-track links in parallel, show counters, bulk-open, clean filenames, retry, persistent UI.
// @match https://open.spotify.com/*
// @match https://spotidown.app/*
// @grant none
// @icon https://www.google.com/s2/favicons?sz=64&domain=spotify.com
// @license MIT
// @run-at document-idle
// ==/UserScript==
(function () {
'use strict';
/***************************************************************************
* A) SPOTIFY INTEGRATION (open.spotify.com)
* - Adds per-track "Download" pill left of each track row
* - Adds page-level "Download via SpotiDown" button on playlist/album
* - Sends URL to spotidown.app with query params for auto-behavior
***************************************************************************/
const SPOTIDOWN_BASE = 'https://spotidown.app/';
const AUTO_FLAGS = { sdh_auto: '1' }; // also supports sdh_open=1 to auto-open after resolve
function isSpotify() { return location.host === 'open.spotify.com'; }
function isSpotiDown() { return location.host === 'spotidown.app'; }
function buildSpotiDownURL(spUrl, extraFlags = {}) {
const u = new URL(SPOTIDOWN_BASE);
u.searchParams.set('sdh_url', spUrl);
Object.entries({...AUTO_FLAGS, ...extraFlags}).forEach(([k,v]) => u.searchParams.set(k, v));
return u.toString();
}
function cssInjectSpotify() {
if (document.getElementById('sdh-spotify-css')) return;
const style = document.createElement('style');
style.id = 'sdh-spotify-css';
style.textContent = `
.sdh-row-dl {
width: 28px; height: 28px; border-radius: 50%;
border: 0; background:#1fdf64; color:#000; font-weight:700;
display:flex; align-items:center; justify-content:center;
cursor:pointer; transform: translateY(-50%); position:absolute; top:50%; right:100%; margin-right:8px;
}
.sdh-row-dl:hover { transform: translateY(-50%) scale(1.08); }
.sdh-page-dl {
display:inline-flex; align-items:center; gap:8px; padding:8px 10px; border:0;
border-radius:6px; background:#1fdf64; color:#000; font-weight:700; cursor:pointer;
}
.sdh-page-dl:hover { filter:brightness(1.05); }
`;
document.head.appendChild(style);
}
function getTrackHrefFromRow(row) {
// Typical structure: row contains an anchor with href /track/{id}
const a = row.querySelector('a[href*="/track/"]');
return a ? (new URL(a.href, location.href)).toString() : null;
}
function addRowButton(row) {
if (row.__sdh_dl) return;
const href = getTrackHrefFromRow(row);
if (!href) return;
const btn = document.createElement('button');
btn.className = 'sdh-row-dl';
btn.title = 'Download via SpotiDown';
btn.textContent = '↓';
// Find a good anchor position: Spotify rows are position:relative; we attach inside
row.style.position = row.style.position || 'relative';
row.appendChild(btn);
btn.addEventListener('click', (e) => {
e.stopPropagation();
window.open(buildSpotiDownURL(href, { sdh_open:'1' }), '_blank', 'noopener');
});
row.__sdh_dl = true;
}
function addPageButton() {
if (document.getElementById('sdh-page-dl')) return;
// Try to find the action bar row / header controls area
const host = document.querySelector('[data-testid="action-bar-row"]') ||
document.querySelector('[data-testid="entity-header"]') ||
document.querySelector('header') ||
document.body;
const btn = document.createElement('button');
btn.id = 'sdh-page-dl';
btn.className = 'sdh-page-dl';
btn.innerHTML = '↓ Download via SpotiDown';
btn.addEventListener('click', () => {
const url = location.href;
// On playlists/albums/tracks, just send current URL
window.open(buildSpotiDownURL(url, { sdh_open:'1' }), '_blank', 'noopener');
});
host.prepend(btn);
}
function scanSpotify() {
cssInjectSpotify();
addPageButton();
// Add per-row button
document.querySelectorAll('[data-testid="tracklist-row"]').forEach(addRowButton);
requestAnimationFrame(scanSpotify);
}
/***************************************************************************
* B) SPOTIDOWN HELPER (spotidown.app)
* - Your 1.7.0 core with:
* - Toolbar anchored above #download-section (persists across swaps)
* - Resolve in parallel, bulk open, retry with fixed counters
* - Auto flow if ?sdh_url=... (+ sdh_auto=1, sdh_open=1)
***************************************************************************/
function spotiDownHelper() {
// ---------- SETTINGS ----------
const MAX_TRACKS = 100; // upper bound to process on the page
const RESOLVE_POOL = 3; // concurrent resolves
const PACE_MS = [100, 300]; // delay between resolves
const OPEN_DELAY_MS = 500; // delay between opening resolved links
const OPEN_MODE = 'iframe'; // 'tab' | 'iframe' | 'navigate'
// -------------------------------
const Stats = { total: 0, resolved: 0, opened: 0, failed: 0 };
const state = { sectionObserver:null, anchorObserver:null, healTimer:null };
function wait(ms){ return new Promise(r=>setTimeout(r, ms)); }
function randInt(min,max){ return Math.floor(Math.random()*(max-min+1))+min; }
const pace = () => wait(randInt(PACE_MS[0], PACE_MS[1]));
// ---------- STABLE MOUNT ----------
function getToolbarAnchor() {
const sec = document.getElementById('download-section');
const parent = sec?.parentElement || document.querySelector('main .container') || document.querySelector('main') || document.body;
if (!parent) return null;
let anchor = document.getElementById('sdh-toolbar-anchor');
if (!anchor) {
anchor = document.createElement('div');
anchor.id = 'sdh-toolbar-anchor';
if (sec && sec.parentElement === parent) parent.insertBefore(anchor, sec);
else parent.prepend(anchor);
}
return anchor;
}
function ensureToolbar() {
const host = getToolbarAnchor();
if (!host) return null;
let bar = document.getElementById('sdh-toolbar');
if (!bar) {
bar = document.createElement('div');
bar.id = 'sdh-toolbar';
bar.innerHTML = `
<div id="sdh-buttons" style="margin-bottom:8px;"></div>
<div id="sdh-counters" style="margin:6px 0 10px 0;font-weight:600;">
<span id="sdh-count-total">Total: 0</span> ·
<span id="sdh-count-res">Resolved: 0</span> ·
<span id="sdh-count-open">Opened: 0</span> ·
<span id="sdh-count-fail">Failed: 0</span>
</div>`;
host.appendChild(bar);
}
return bar;
}
function updateCounters() {
const t = document.getElementById('sdh-count-total');
const r = document.getElementById('sdh-count-res');
const o = document.getElementById('sdh-count-open');
const f = document.getElementById('sdh-count-fail');
if (t) t.textContent = `Total: ${Stats.total}`;
if (r) r.textContent = `Resolved: ${Stats.resolved}`;
if (o) o.textContent = `Opened: ${Stats.opened}`;
if (f) f.textContent = `Failed: ${Stats.failed}`;
}
function styleBtn(btn, bg = '#28a745') {
Object.assign(btn.style, {
display:'inline-block', padding:'6px 10px', margin:'0 6px 6px 0',
border:'0', borderRadius:'6px', cursor:'pointer', fontWeight:'600',
fontSize:'12px', boxShadow:'0 1px 2px rgba(0,0,0,.12)', background:bg, color:'#fff'
});
}
function insertButtons() {
const bar = ensureToolbar();
if (!bar) return;
const panel = bar.querySelector('#sdh-buttons');
if (!document.getElementById('sdh-inline-btn')) {
const btn = document.createElement('button');
btn.id = 'sdh-inline-btn';
btn.textContent = `Resolve Direct Links (up to ${MAX_TRACKS}, ${RESOLVE_POOL}×)`;
styleBtn(btn);
btn.addEventListener('click', () => resolveAllParallel().catch(alertStop));
panel.appendChild(btn);
}
if (!document.getElementById('sdh-bulk-btn')) {
const bulk = document.createElement('button');
bulk.id = 'sdh-bulk-btn';
bulk.textContent = 'Download Resolved';
styleBtn(bulk, '#157347');
bulk.addEventListener('click', () => bulkOpenResolved().catch(alertStop));
panel.appendChild(bulk);
}
}
function alertStop(e){ console.warn('[SpotiDown Helper] stopped:', e); alert(`Stopped: ${e.message}`); }
// ---------- Badges + Retry ----------
function rowRootFromForm(form) {
return form.closest('.grid-container') || form.closest('.spotidown') || form.parentElement;
}
function ensureBadgeRow(rowRoot) {
if (!rowRoot) return null;
let wrap = rowRoot.querySelector('.sdh-badge-wrap');
if (!wrap) {
wrap = document.createElement('div');
wrap.className = 'sdh-badge-wrap';
Object.assign(wrap.style, { marginTop:'6px' });
rowRoot.appendChild(wrap);
}
return wrap;
}
function setBadge(rowRoot, text, state, retryFn) {
const wrap = ensureBadgeRow(rowRoot);
if (!wrap) return;
wrap.innerHTML = '';
const badge = document.createElement('span');
badge.textContent = text;
Object.assign(badge.style, {
display:'inline-flex', alignItems:'center', gap:'6px',
fontSize:'12px', fontWeight:'600', padding:'4px 8px',
borderRadius:'999px', color:'#fff', marginRight:'6px'
});
const colors = { pending:'#6c757d', working:'#0d6efd', resolved:'#198754', opened:'#20c997', failed:'#dc3545' };
badge.style.background = colors[state] || '#6c757d';
wrap.appendChild(badge);
if (retryFn && state === 'failed') {
const retry = document.createElement('button');
retry.textContent = 'Retry';
styleBtn(retry, '#ffc107');
retry.style.fontSize = '11px';
retry.addEventListener('click', retryFn);
wrap.appendChild(retry);
}
}
// ---------- Helpers ----------
function getTrackForms() { return Array.from(document.getElementsByName('submitspurl')); }
function getDesiredFilenameFromForm(form) {
try {
const encoded = form.querySelector('input[name="data"]')?.value || '';
const obj = JSON.parse(atob(encoded));
const name = (obj.name || 'Track').trim();
const artist = (obj.artist || '').replace(/\//g, '-').trim();
const nice = artist ? `${name} - ${artist}.mp3` : `${name}.mp3`;
return nice.replace(/^SpotiDown\.App\s*-\s*/i, '');
} catch { return 'track.mp3'; }
}
async function postFormToTrack(form) {
const fd = new FormData(form);
const resp = await fetch('/action/track', { method:'POST', body: fd, credentials:'same-origin' });
if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
const json = await resp.json();
if (json.error) throw new Error(json.message || 'Server error');
return json.data;
}
function extractDirectLink(html) {
const dp = new DOMParser();
const doc = dp.parseFromString(html, 'text/html');
let a = doc.querySelector('a#popup[href]');
if (!a) {
a = Array.from(doc.querySelectorAll('a[href]')).find(x => {
const href = (x.getAttribute('href')||'').toLowerCase();
const t = (x.textContent||'').toLowerCase();
return href.includes('rapid.spotidown.app') || t.includes('download mp3') || /\.mp3(\?|$)/.test(href);
});
}
return a ? a.getAttribute('href') : null;
}
function replaceButtonWithLink(form, href) {
if (!href) return null;
const btn = form.querySelector('button.abutton') || form.querySelector('.abutton');
const a = document.createElement('a');
a.className = 'abutton is-success is-fullwidth';
a.href = href; a.target = '_blank'; a.rel = 'noopener noreferrer';
a.innerHTML = '<span><span>Download Mp3 (Direct)</span></span>';
a.setAttribute('download', getDesiredFilenameFromForm(form));
if (btn && btn.parentElement) btn.parentElement.replaceChild(a, btn);
else form.appendChild(a);
return a;
}
function openOne(href) {
if (!href) return false;
if (OPEN_MODE==='tab') window.open(href,'_blank','noopener');
else if (OPEN_MODE==='iframe'){const f=document.createElement('iframe');f.style.display='none';f.src=href;document.body.appendChild(f);setTimeout(()=>f.remove(),15000);}
else window.location.href=href;
return true;
}
// ---------- Retries ----------
function decFailed() { Stats.failed = Math.max(0, Stats.failed - 1); }
function incResolved() { Stats.resolved++; }
function incOpened() { Stats.opened++; }
async function resolveOne(form, row, isRetry=false) {
setBadge(row, 'Resolving…', 'working');
try {
const html = await postFormToTrack(form);
const href = extractDirectLink(html);
if (!href) throw new Error('No direct link');
replaceButtonWithLink(form, href);
setBadge(row, 'Resolved', 'resolved');
if (isRetry) { decFailed(); incResolved(); } else incResolved();
updateCounters();
} catch(e) {
if (!isRetry) { Stats.failed++; updateCounters(); }
setBadge(row, 'Failed', 'failed', () => resolveOne(form, row, true));
}
}
async function retryOpen(row, href) {
setBadge(row, 'Opening…', 'working');
try {
openOne(href);
decFailed(); incOpened(); updateCounters();
setBadge(row, 'Opened', 'opened');
} catch (e) {
setBadge(row, 'Open failed', 'failed', () => retryOpen(row, href));
}
}
async function resolveAllParallel() {
const forms = getTrackForms().slice(0, MAX_TRACKS);
Stats.total = forms.length; updateCounters();
let index=0;
async function worker(){
while(index<forms.length){
const i=index++; const form=forms[i]; const row=rowRootFromForm(form);
await resolveOne(form,row); await pace();
}
}
await Promise.all(Array.from({length:RESOLVE_POOL}, worker));
}
async function bulkOpenResolved() {
const forms = getTrackForms().slice(0, MAX_TRACKS);
for (const f of forms) {
const row = rowRootFromForm(f);
const a = f.parentElement?.querySelector('a.abutton[href*="rapid.spotidown.app"]');
if (!a) continue;
try {
setBadge(row,'Opening…','working');
openOne(a.href);
incOpened(); updateCounters();
setBadge(row,'Opened','opened');
} catch(e) {
Stats.failed++; updateCounters();
setBadge(row,'Open failed','failed', () => retryOpen(row, a.href));
}
await wait(OPEN_DELAY_MS);
}
}
function watchSection() {
if (state.anchorObserver) state.anchorObserver.disconnect();
state.anchorObserver = new MutationObserver(() => { ensureToolbar(); insertButtons(); });
state.anchorObserver.observe(document.body, { childList:true, subtree:true });
const sec = document.getElementById('download-section');
if (state.sectionObserver) state.sectionObserver.disconnect();
if (sec) {
state.sectionObserver = new MutationObserver(muts => {
if (muts.some(m => m.type === 'childList')) { ensureToolbar(); insertButtons(); }
});
state.sectionObserver.observe(sec, { childList:true, subtree:false });
}
}
function startSelfHeal() {
if (state.healTimer) clearInterval(state.healTimer);
state.healTimer = setInterval(() => {
if (!document.getElementById('sdh-toolbar')) ensureToolbar();
insertButtons();
}, 1500);
}
// Auto-flow if query params present
async function maybeAutoFromParams() {
const q = new URLSearchParams(location.search);
const given = q.get('sdh_url');
if (!given) return;
// Fill and submit the site's form
const input = document.getElementById('url') || document.querySelector('input[name="url"]');
const send = document.getElementById('send') || Array.from(document.querySelectorAll('button')).find(b => /download/i.test(b.textContent||''));
if (input && send) {
input.value = given;
input.dispatchEvent(new Event('input', { bubbles:true }));
input.dispatchEvent(new Event('change', { bubbles:true }));
send.click();
}
// After results load, optionally auto resolve/open
const auto = q.get('sdh_auto') === '1';
const open = q.get('sdh_open') === '1';
if (auto || open) {
// poll for track forms then run
const t0 = Date.now();
const poll = setInterval(async () => {
const forms = getTrackForms();
if (forms.length || Date.now() - t0 > 20000) {
clearInterval(poll);
if (auto) await resolveAllParallel();
if (open) await bulkOpenResolved();
}
}, 800);
}
}
function bootstrap(){
ensureToolbar(); insertButtons(); updateCounters();
watchSection(); startSelfHeal();
maybeAutoFromParams();
}
if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded', bootstrap);} else bootstrap();
window.addEventListener('hashchange', bootstrap);
window.addEventListener('popstate', bootstrap);
}
// Entrypoints
if (isSpotify()) {
scanSpotify();
} else if (isSpotiDown()) {
spotiDownHelper();
}
})();