HoneyandClaude Sonnet 4.6
d2cb1bed68
- User-Agent header (Spotify may throttle anonymous requests) - req.setTimeout + socket.setTimeout for belt-and-suspenders - done() guard prevents double-resolve/reject - [sp-http] log shows status code of each Spotify response so logs reveal whether the hang is before or after HTTP headers arrive Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
517 lines
22 KiB
JavaScript
517 lines
22 KiB
JavaScript
/**
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* NovaSonic Backend Server
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* Downloads music via yt-dlp / squid.wtf (Qobuz) and saves into your Navidrome library.
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*
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* Requirements:
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* - Node.js 18+
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* - yt-dlp installed (https://github.com/yt-dlp/yt-dlp)
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* - ffmpeg installed
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*/
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const express = require('express');
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const { execSync } = require('child_process');
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const path = require('path');
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const fs = require('fs');
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const https = require('https');
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const CONFIG = require('./lib/config');
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const { jobs, updateJob, log } = require('./lib/jobs');
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const { lookupItunesTrackMeta, fetchItunesTracks, searchItunesAlbumTracks } = require('./lib/metadata');
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const { downloadTrack, downloadAlbumTracks } = require('./lib/downloader');
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// ─── INIT ─────────────────────────────────────────────────────────────────────
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const app = express();
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app.use((req, res, next) => {
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res.setHeader('Access-Control-Allow-Origin', '*');
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res.setHeader('Access-Control-Allow-Methods', 'GET,POST,PATCH,DELETE,OPTIONS');
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type,Authorization,X-ABS-URL,X-ABS-Token');
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res.setHeader('Access-Control-Allow-Private-Network', 'true');
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if (req.method === 'OPTIONS') { res.sendStatus(204); return; }
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next();
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});
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app.use(express.json());
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let ytdlpVersion = 'unknown';
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try {
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ytdlpVersion = execSync(`${CONFIG.ytdlpBin} --version`, { timeout: 5000 }).toString().trim();
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console.log(`✅ yt-dlp ${ytdlpVersion} found`);
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} catch {
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console.warn('⚠️ yt-dlp not found!');
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}
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if (!fs.existsSync(CONFIG.musicPath)) {
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console.warn(`⚠️ Music path "${CONFIG.musicPath}" does not exist — creating it`);
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fs.mkdirSync(CONFIG.musicPath, { recursive: true });
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}
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// ─── QUEUE ────────────────────────────────────────────────────────────────────
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let activeDownloads = 0;
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const downloadQueue = [];
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function processQueue() {
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if (activeDownloads >= CONFIG.maxParallel || downloadQueue.length === 0) return;
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const task = downloadQueue.shift();
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activeDownloads++;
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task().finally(() => { activeDownloads--; processQueue(); });
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}
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function enqueue(task) {
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downloadQueue.push(task);
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processQueue();
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}
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// ─── SPOTIFY ──────────────────────────────────────────────────────────────────
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function parseSpotifyUrl(url) {
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const m = url.match(/open\.spotify\.com\/(?:[a-z]{2,8}-[a-z]{2,8}\/)?(?:intl-[a-z-]+\/)?(track|album|playlist)\/([A-Za-z0-9]+)/);
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if (!m) throw new Error('Ungültige Spotify-URL — erwartet: open.spotify.com/track|album|playlist/...');
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return { type: m[1], id: m[2] };
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}
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// undici (native fetch) cannot abort a pending TCP connect even with AbortController.
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// Use Node's https module with socket.setTimeout() — fires at OS level during connect.
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function _fetchTimeout(url, opts = {}, ms = 10000) {
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return new Promise((resolve, reject) => {
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const u = new URL(url);
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const label = u.hostname + u.pathname.slice(0, 40);
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const done = (fn) => { if (!done.called) { done.called = true; fn(); } };
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const req = https.request({
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hostname: u.hostname, port: 443,
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path: u.pathname + u.search,
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method: opts.method || 'GET',
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headers: {
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'User-Agent': 'NovaSonic/1.0',
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'Accept': 'application/json',
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...opts.headers,
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},
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}, res => {
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console.log(`[sp-http] ${res.statusCode} ${label}`);
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const chunks = [];
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res.on('data', c => chunks.push(c));
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res.on('end', () => {
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const body = Buffer.concat(chunks).toString('utf8');
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done(() => resolve({
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ok: res.statusCode >= 200 && res.statusCode < 300,
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status: res.statusCode,
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headers: { get: h => res.headers[h.toLowerCase()] ?? null },
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json: () => { try { return Promise.resolve(JSON.parse(body)); } catch(e) { return Promise.reject(e); } },
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text: () => Promise.resolve(body),
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}));
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});
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res.on('error', e => done(() => reject(e)));
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});
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// Two-layer timeout: req-level (fires after ms of total inactivity) + socket-level
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req.setTimeout(ms, () => req.destroy(new Error(`Spotify timeout ${ms}ms: ${label}`)));
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req.on('socket', s => s.setTimeout(ms, () => req.destroy(new Error(`Spotify socket timeout ${ms}ms: ${label}`))));
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req.on('error', e => done(() => reject(e)));
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if (opts.body) req.write(opts.body);
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req.end();
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});
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}
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let _spTokenCache = null;
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let _spTokenExpiry = 0;
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async function fetchSpotifyToken() {
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if (_spTokenCache && Date.now() < _spTokenExpiry) return _spTokenCache;
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if (!CONFIG.spotifyClientId || !CONFIG.spotifyClientSecret) {
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throw new Error(
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'Spotify-Credentials fehlen. Bitte SPOTIFY_CLIENT_ID und ' +
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'SPOTIFY_CLIENT_SECRET in der Umgebung setzen. ' +
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'Setup-Anleitung: https://developer.spotify.com/dashboard'
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);
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}
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const basic = Buffer.from(`${CONFIG.spotifyClientId}:${CONFIG.spotifyClientSecret}`).toString('base64');
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const r = await _fetchTimeout('https://accounts.spotify.com/api/token', {
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method: 'POST',
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headers: {
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'Authorization': `Basic ${basic}`,
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'Content-Type': 'application/x-www-form-urlencoded',
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},
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body: 'grant_type=client_credentials',
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});
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if (!r.ok) {
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const errBody = await r.text().catch(() => '');
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throw new Error(`Spotify-Token-Fehler (${r.status}): ${errBody.slice(0, 200)}`);
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}
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const d = await r.json();
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if (!d.access_token) throw new Error('Kein access_token von Spotify erhalten');
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_spTokenCache = d.access_token;
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_spTokenExpiry = Date.now() + (d.expires_in * 1000) - 30000;
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console.log('[spotify] token ok');
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return _spTokenCache;
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}
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async function _spApi(path, token) {
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const url = path.startsWith('http') ? path : `https://api.spotify.com/v1${path}`;
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for (let attempt = 0; attempt < 4; attempt++) {
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const r = await _fetchTimeout(url, { headers: { Authorization: `Bearer ${token}` } });
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if (r.status === 429) {
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const wait = (parseInt(r.headers.get('Retry-After') || '5', 10) + 1) * 1000;
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await new Promise(res => setTimeout(res, wait));
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continue;
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}
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if (!r.ok) throw new Error(`Spotify API Fehler ${r.status}: ${path}`);
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return r.json();
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}
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throw new Error('Spotify API rate-limited — bitte kurz warten und erneut versuchen');
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}
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async function _spAllPlaylistTracks(id, token) {
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const tracks = [];
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let skippedLocal = 0;
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let path = `/playlists/${id}/tracks?limit=100`;
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let pages = 0;
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while (path && pages++ < 100) {
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const page = await _spApi(path, token);
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for (const item of page.items || []) {
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const t = item.track;
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if (!t || !t.id) continue;
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if (t.is_local) { skippedLocal++; continue; }
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tracks.push(t);
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}
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path = page.next || null;
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}
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return { tracks, skippedLocal };
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}
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async function _spAllAlbumTracks(id, token) {
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const tracks = [];
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let path = `/albums/${id}/tracks?limit=50`;
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let pages = 0;
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while (path && pages++ < 100) {
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const page = await _spApi(path, token);
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tracks.push(...(page.items || []).filter(t => t?.id));
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path = page.next || null;
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}
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return tracks;
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}
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function _spArtwork(entity) {
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// Real API: entity.images[] or entity.album.images[]
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const imgs = entity?.images || entity?.album?.images || [];
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if (imgs.length) return imgs.sort((a, b) => (b.width || 0) - (a.width || 0))[0]?.url || '';
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return '';
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}
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function _spAllArtists(artistsRaw) {
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if (!artistsRaw) return '';
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const arr = Array.isArray(artistsRaw) ? artistsRaw : (artistsRaw.items || []);
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return arr.map(a => a?.profile?.name || a?.name || '').filter(Boolean).join(', ');
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}
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function _spArtistName(artistsRaw) {
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return _spAllArtists(artistsRaw);
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}
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function _spTrackItem(t, defaultAlbum, defaultArt, defaultAlbumArtist) {
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const trackName = t?.name || '';
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const artist = _spAllArtists(t?.artists) || defaultAlbumArtist || '';
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const art = _spArtwork(t) || defaultArt || '';
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const albumObj = t?.album || {};
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const album = albumObj?.name || defaultAlbum || '';
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const date = albumObj?.release_date || '';
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return {
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trackName,
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artistName: artist,
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collectionName: album,
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artworkUrl100: art,
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releaseDate: date,
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trackNumber: t?.track_number,
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trackExplicitness: t?.explicit ? 'explicit' : 'notExplicit',
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previewUrl: t?.preview_url || null,
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durationMs: t?.duration_ms || null,
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};
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}
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// ─── ROUTES ──────────────────────────────────────────────────────────────────
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app.post('/api/spotify/track-artwork', async (req, res) => {
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const tracks = req.body.tracks || [];
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if (!tracks.length) return res.json({ results: [] });
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const CONC = 8;
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const results = [];
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for (let i = 0; i < tracks.length; i += CONC) {
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const batch = tracks.slice(i, i + CONC);
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const batchRes = await Promise.all(batch.map(async t => {
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const searchArtist = (t.artistName || '').split(/\s*[,/•]\s*/)[0].trim();
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const meta = await lookupItunesTrackMeta(searchArtist, t.trackName || '');
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return { idx: t.idx, artworkUrl: meta.artworkUrl || t.existingArt || '' };
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}));
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results.push(...batchRes);
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}
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res.json({ results });
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});
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app.get('/api/health', (req, res) => {
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res.json({
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status: 'ok', ytdlpVersion,
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musicPath: CONFIG.musicPath,
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audioFormat: CONFIG.audioFmt,
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downloadBackend: CONFIG.downloadBackend,
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squidQuality: CONFIG.squidQuality,
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activeJobs: activeDownloads,
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queueLength: downloadQueue.length,
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spotify: {
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configured: !!(CONFIG.spotifyClientId && CONFIG.spotifyClientSecret),
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},
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});
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});
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async function _resolveSpotify(type, id) {
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const token = await fetchSpotifyToken();
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if (type === 'track') {
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const t = await _spApi(`/tracks/${id}`, token);
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const artist = _spArtistName(t.artists);
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const artUrl = _spArtwork(t);
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return { type: 'track', name: t.name || '', artist, artworkUrl: artUrl,
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tracks: [_spTrackItem(t, t.album?.name, artUrl, artist)] };
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}
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if (type === 'album') {
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const album = await _spApi(`/albums/${id}`, token);
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const artist = _spArtistName(album.artists);
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const artUrl = _spArtwork(album);
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const trackItems = await _spAllAlbumTracks(id, token);
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return { type: 'album', name: album.name || '', artist, artworkUrl: artUrl,
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tracks: trackItems.map(t => _spTrackItem(t, album.name, artUrl, artist)) };
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}
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if (type === 'playlist') {
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const pl = await _spApi(`/playlists/${id}?fields=name,description,owner,images`, token);
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const owner = pl.owner?.display_name || '';
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const artUrl = _spArtwork(pl);
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const { tracks: trackItems, skippedLocal } = await _spAllPlaylistTracks(id, token);
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return { type: 'playlist', name: pl.name || '', artist: owner, artworkUrl: artUrl,
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description: pl.description || '', skippedLocal,
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tracks: trackItems.map(t => _spTrackItem(t, null, null, null)) };
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}
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throw new Error(`Unbekannter Typ: ${type}`);
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}
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app.post('/api/spotify/resolve', async (req, res) => {
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const { url } = req.body;
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if (!url) return res.status(400).json({ error: 'url required' });
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try {
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const { type, id } = parseSpotifyUrl(url);
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console.log(`[spotify/resolve] ${type} ${id}`);
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const timeout = new Promise((_, reject) =>
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setTimeout(() => reject(new Error('Zeitüberschreitung — Spotify API antwortet nicht (>25s)')), 25000)
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);
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const data = await Promise.race([_resolveSpotify(type, id), timeout]);
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res.json(data);
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} catch(e) {
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console.error('[spotify/resolve]', e.message);
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if (e.message.includes('403') && e.message.includes('/playlists/')) {
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return res.status(403).json({ error: 'EDITORIAL_PLAYLIST' });
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}
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res.status(500).json({ error: e.message });
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}
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});
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app.post('/api/download', async (req, res) => {
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const { type, artist, title, album, artworkUrl, collectionId, jobId: clientJobId, explicit,
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trackNum: bodyTrackNum, totalTracks: bodyTotalTracks, discNum: bodyDiscNum, discTotal: bodyDiscTotal } = req.body;
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if (!artist || !title) return res.status(400).json({ error: 'artist and title required' });
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const jobId = clientJobId || ('job_' + Date.now());
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jobs.set(jobId, {
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id: jobId, type, artist, title, album,
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status: 'queued', progress: 0, message: 'In Warteschlange…',
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log: [], createdAt: Date.now(), updatedAt: Date.now(),
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});
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res.json({ jobId, status: 'queued' });
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enqueue(async () => {
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updateJob(jobId, { status: 'running', progress: 5, message: 'Gestartet…' });
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try {
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if (type === 'track') {
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const sp = req.body.tracks?.[0] || {};
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const spAlbum = sp.collectionName || album || '';
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const spArt = sp.artworkUrl100 || artworkUrl || '';
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const spYear = sp.releaseDate ? new Date(sp.releaseDate).getFullYear() : undefined;
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let meta = {
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album: spAlbum, year: spYear,
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trackNum: sp.trackNumber || bodyTrackNum || undefined,
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totalTracks: sp.trackCount || bodyTotalTracks || undefined,
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discNum: sp.discNumber || bodyDiscNum || undefined,
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discTotal: sp.discCount || bodyDiscTotal || undefined,
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artworkUrl: spArt, explicit: sp.trackExplicitness === 'explicit' || !!explicit,
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durationMs: sp.durationMs || undefined,
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};
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if (!meta.album) {
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const searchArtist = artist.split(',')[0].trim();
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log(jobId, '📋 Suche Album-Metadaten von iTunes…');
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const extra = await lookupItunesTrackMeta(searchArtist, title);
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if (extra.album) log(jobId, `📋 Album: "${extra.album}" (${extra.year || '?'})`);
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meta = { ...meta, ...extra, artworkUrl: spArt || extra.artworkUrl || '' };
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} else {
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log(jobId, `📋 Album aus Spotify: "${meta.album}"`);
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}
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const result = await downloadTrack({ jobId, artist, title, ...meta });
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if (result?.skipped) {
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updateJob(jobId, { status: 'done', progress: 100, message: 'Bereits vorhanden – übersprungen', skipped: true });
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} else {
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updateJob(jobId, { status: 'done', progress: 100, message: 'Fertig!' });
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}
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} else if (type === 'album') {
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let tracks = [];
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if (collectionId) {
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log(jobId, '📋 Lade Track-Liste von iTunes…');
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tracks = await fetchItunesTracks(collectionId);
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}
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if (!tracks.length) {
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log(jobId, '🔍 Suche Album auf iTunes…');
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tracks = await searchItunesAlbumTracks(artist, album || title);
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}
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if (!tracks.length) {
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throw new Error(`Keine einzelnen Tracks für "${album || title}" gefunden. Bitte über iTunes Global-Suche herunterladen.`);
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}
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const { done: dlDone, skipped: dlSkipped } = await downloadAlbumTracks({ jobId, artist, albumTitle: album || title, tracks, artworkUrl });
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const allSkipped = dlSkipped === tracks.length;
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const someSkipped = dlSkipped > 0 && !allSkipped;
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const msg = allSkipped
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? `Album bereits vorhanden – alle ${dlSkipped} Tracks übersprungen`
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: someSkipped
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? `Album fertig! (${dlDone} geladen, ${dlSkipped} bereits vorhanden)`
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: `Album "${album || title}" fertig!`;
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updateJob(jobId, { status: 'done', progress: 100, message: msg, skipped: allSkipped });
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} else if (type === 'artist') {
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log(jobId, `🎤 Künstler-Download: ${artist}`);
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const artistData = await new Promise((resolve, reject) => {
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https.get(`https://itunes.apple.com/search?term=${encodeURIComponent(artist)}&media=music&entity=album&limit=10&country=de`, res => {
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let d = ''; res.on('data', c => d += c);
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res.on('end', () => { try { resolve(JSON.parse(d).results || []); } catch { reject(new Error('parse')); } });
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}).on('error', reject);
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});
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const artistAlbums = artistData.filter(a => a.artistName?.toLowerCase() === artist.toLowerCase()).slice(0, 10);
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log(jobId, `📀 ${artistAlbums.length} Alben gefunden`);
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let done = 0;
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for (const alb of artistAlbums) {
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const tracks = await fetchItunesTracks(alb.collectionId).catch(() => []);
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if (tracks.length) {
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await downloadAlbumTracks({ jobId, artist, albumTitle: alb.collectionName, tracks, artworkUrl: alb.artworkUrl100 });
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}
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done++;
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updateJob(jobId, { progress: Math.round((done / artistAlbums.length) * 95) });
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}
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updateJob(jobId, { status: 'done', progress: 100, message: `Künstler "${artist}" fertig!` });
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} else if (type === 'playlist') {
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const plTracks = req.body.tracks || [];
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if (!plTracks.length) throw new Error('Keine Tracks übergeben');
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log(jobId, `🎵 Playlist "${title}" — ${plTracks.length} Tracks`);
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let done = 0, skipped = 0;
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const CONC = CONFIG.maxParallel || 2;
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for (let i = 0; i < plTracks.length; i += CONC) {
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const batch = plTracks.slice(i, i + CONC);
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const batchResults = await Promise.allSettled(batch.map(async track => {
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const trackTitle = track.trackName || '';
|
||
const trackArtist = track.artistName || artist || '';
|
||
const searchArtist = trackArtist.split(',')[0].trim();
|
||
log(jobId, `📋 iTunes: "${trackArtist} – ${trackTitle}"`);
|
||
const itunes = await lookupItunesTrackMeta(searchArtist, trackTitle);
|
||
return downloadTrack({
|
||
jobId,
|
||
artist: trackArtist,
|
||
albumArtist: trackArtist,
|
||
title: trackTitle,
|
||
album: itunes.album || track.collectionName || '',
|
||
year: itunes.year || (track.releaseDate ? new Date(track.releaseDate).getFullYear() : undefined),
|
||
trackNum: itunes.trackNum || track.trackNumber || undefined,
|
||
totalTracks: itunes.totalTracks || undefined,
|
||
genre: itunes.genre || track.primaryGenreName || undefined,
|
||
artworkUrl: itunes.artworkUrl || track.artworkUrl100 || '',
|
||
explicit: track.trackExplicitness === 'explicit',
|
||
durationMs: itunes.durationMs || track.durationMs || undefined,
|
||
});
|
||
}));
|
||
for (let j = 0; j < batchResults.length; j++) {
|
||
const r = batchResults[j];
|
||
if (r.status === 'rejected') {
|
||
log(jobId, `⚠️ Fehler bei "${batch[j].trackName || '?'}": ${r.reason?.message || r.reason}`);
|
||
} else if (r.value?.skipped) {
|
||
skipped++;
|
||
} else {
|
||
done++;
|
||
}
|
||
updateJob(jobId, { progress: Math.round(((done + skipped) / plTracks.length) * 90) });
|
||
}
|
||
}
|
||
const allSkipped = skipped === plTracks.length;
|
||
updateJob(jobId, {
|
||
status: 'done', progress: 100, skipped: allSkipped,
|
||
message: allSkipped
|
||
? `Alle ${skipped} Tracks bereits vorhanden`
|
||
: `Fertig! ${done} geladen${skipped ? `, ${skipped} übersprungen` : ''}`,
|
||
});
|
||
}
|
||
} catch (err) {
|
||
console.error(`[${jobId}] Error:`, err.message);
|
||
updateJob(jobId, { status: 'error', message: err.message });
|
||
}
|
||
});
|
||
});
|
||
|
||
app.get('/api/status/:jobId', (req, res) => {
|
||
const job = jobs.get(req.params.jobId);
|
||
if (!job) return res.status(404).json({ error: 'Job not found' });
|
||
res.json(job);
|
||
});
|
||
|
||
app.get('/api/jobs', (req, res) => {
|
||
res.json(Array.from(jobs.values()).sort((a, b) => b.createdAt - a.createdAt).slice(0, 50));
|
||
});
|
||
|
||
// ─── ABS PROXY ───────────────────────────────────────────────────────────────
|
||
// Forwards API calls to Audiobookshelf to avoid CORS restrictions in the browser.
|
||
// The browser sends X-ABS-URL and X-ABS-Token headers; audio streaming uses
|
||
// direct <audio src> URLs and is unaffected by CORS.
|
||
app.all('/api/abs-proxy/*path', async (req, res) => {
|
||
const absBase = req.headers['x-abs-url'];
|
||
const absToken = req.headers['x-abs-token'];
|
||
if (!absBase || !absToken) { res.status(400).json({ error: 'Missing X-ABS-URL or X-ABS-Token' }); return; }
|
||
|
||
// Strip the proxy prefix to get the ABS path (e.g. /api/me, /api/libraries/…)
|
||
const absPath = req.path.replace(/^\/api\/abs-proxy/, '');
|
||
const qs = Object.keys(req.query).length ? '?' + new URLSearchParams(req.query).toString() : '';
|
||
const url = `${absBase}${absPath}${qs}`;
|
||
|
||
const fwdHeaders = { 'Authorization': `Bearer ${absToken}`, 'Content-Type': 'application/json' };
|
||
const opts = { method: req.method, headers: fwdHeaders };
|
||
if (req.method !== 'GET' && req.method !== 'HEAD' && req.body && Object.keys(req.body).length) {
|
||
opts.body = JSON.stringify(req.body);
|
||
}
|
||
|
||
try {
|
||
const upstream = await fetch(url, opts);
|
||
const text = await upstream.text();
|
||
res.status(upstream.status)
|
||
.setHeader('Content-Type', upstream.headers.get('Content-Type') || 'application/json')
|
||
.send(text);
|
||
} catch (e) {
|
||
res.status(502).json({ error: `ABS proxy error: ${e.message}` });
|
||
}
|
||
});
|
||
|
||
// ─── START ────────────────────────────────────────────────────────────────────
|
||
app.listen(CONFIG.port, () => {
|
||
console.log(`\n🎵 NovaSonic Backend running on port ${CONFIG.port}`);
|
||
console.log(` Music folder : ${CONFIG.musicPath}`);
|
||
console.log(` Audio format : ${CONFIG.audioFmt} (quality ${CONFIG.audioQuality})`);
|
||
console.log(` Download backend : ${CONFIG.downloadBackend}`);
|
||
if (CONFIG.downloadBackend !== 'ytdlp') {
|
||
console.log(` Squid quality : ${CONFIG.squidQuality}`);
|
||
}
|
||
console.log(` yt-dlp : ${ytdlpVersion}`);
|
||
console.log('');
|
||
});
|