feat: split backend into lib/ modules + add squid.wtf (Qobuz) download backend
- backend/lib/config.js — CONFIG from env (adds DOWNLOAD_BACKEND, SQUID_QUALITY) - backend/lib/jobs.js — jobs Map, updateJob(), log() - backend/lib/metadata.js — iTunes, artwork, lyrics, sanitize helpers - backend/lib/ytdlp.js — yt-dlp download cascade + shared embedMetadata() - backend/lib/squid.js — ALTCHA PoW solver, Qobuz search/download via squid.wtf - backend/lib/downloader.js — backend selector: ytdlp | squid | auto (squid-first + fallback) - novasonic-server.js thinned to Express routes only, imports from lib/ - docker-compose: mount full backend/ dir, install deps outside read-only volume - .env.example: document DOWNLOAD_BACKEND and SQUID_QUALITY Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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HoneyandClaude Sonnet 4.6 committed
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@@ -0,0 +1,14 @@
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const CONFIG = {
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port: process.env.PORT || 3700,
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musicPath: process.env.MUSIC_PATH || '/music',
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ytdlpBin: process.env.YTDLP_BIN || 'yt-dlp',
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audioFmt: process.env.AUDIO_FMT || 'mp3',
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audioQuality: process.env.AUDIO_QUALITY || '0',
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maxParallel: parseInt(process.env.MAX_PARALLEL || '2', 10),
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// 'ytdlp' | 'squid' | 'auto' (squid first, yt-dlp fallback)
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downloadBackend: (process.env.DOWNLOAD_BACKEND || 'auto').toLowerCase(),
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// squid.wtf quality: 'mp3' | 'flac' | 'hi-res'
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squidQuality: (process.env.SQUID_QUALITY || 'mp3').toLowerCase(),
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};
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module.exports = CONFIG;
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@@ -0,0 +1,60 @@
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const CONFIG = require('./config');
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const { log, updateJob } = require('./jobs');
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const ytdlp = require('./ytdlp');
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const squid = require('./squid');
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// Route a single track download to the correct backend, with optional fallback.
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async function downloadTrack(opts) {
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const backend = CONFIG.downloadBackend;
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if (backend === 'ytdlp') return ytdlp.downloadTrack(opts);
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if (backend === 'squid') return squid.downloadTrack(opts);
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// 'auto': squid first, yt-dlp as fallback
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try {
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const result = await squid.downloadTrack(opts);
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if (result !== null) return result;
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// null = not found on Qobuz — fall through to yt-dlp
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log(opts.jobId, '⚠️ squid.wtf: nicht gefunden — Fallback zu yt-dlp');
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} catch (e) {
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log(opts.jobId, `⚠️ squid.wtf Fehler — Fallback zu yt-dlp: ${e.message}`);
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}
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return ytdlp.downloadTrack(opts);
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}
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// Download all tracks of an album sequentially, updating job progress.
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async function downloadAlbumTracks({ jobId, artist, albumTitle, tracks, artworkUrl }) {
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const total = tracks.length;
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log(jobId, `📀 Album "${albumTitle}" — ${total} Tracks`);
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let done = 0, skipped = 0;
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for (const track of tracks) {
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try {
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const result = await downloadTrack({
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jobId,
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artist: track.artistName || artist,
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albumArtist: artist,
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title: track.trackName || track.title,
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album: albumTitle,
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year: track.releaseDate ? new Date(track.releaseDate).getFullYear() : undefined,
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trackNum: track.trackNumber || undefined,
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totalTracks: total,
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discNum: track.discNumber || undefined,
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discTotal: track.discCount || undefined,
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compilation: track.collectionType === 'Compilation' || undefined,
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genre: track.primaryGenreName || undefined,
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artworkUrl: artworkUrl || track.artworkUrl100,
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explicit: track.trackExplicitness === 'explicit',
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outputDir: CONFIG.musicPath,
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durationMs: track.trackTimeMillis || undefined,
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});
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if (result?.skipped) skipped++; else done++;
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updateJob(jobId, { progress: Math.round(((done + skipped) / total) * 90) });
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} catch (e) {
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log(jobId, `⚠️ Fehler bei "${track.trackName || track.title}": ${e.message}`);
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}
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}
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return { done, skipped };
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}
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module.exports = { downloadTrack, downloadAlbumTracks };
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@@ -0,0 +1,14 @@
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const jobs = new Map();
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function updateJob(id, update) {
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const job = jobs.get(id);
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if (job) jobs.set(id, { ...job, ...update, updatedAt: Date.now() });
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}
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function log(jobId, msg) {
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const j = jobs.get(jobId);
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if (j) jobs.set(jobId, { ...j, log: [...(j.log || []), msg], message: msg });
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console.log(`[${jobId}] ${msg}`);
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}
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module.exports = { jobs, updateJob, log };
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@@ -0,0 +1,143 @@
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const https = require('https');
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const path = require('path');
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const fs = require('fs');
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function sanitize(s) {
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return (s || 'Unknown').replace(/[\\/:*?"<>|]/g, '_').trim().slice(0, 100);
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}
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function navidromeArtist(name) {
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if (!name) return name;
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return name
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.replace(/\s+feat\.?\s+/gi, ' / ')
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.replace(/\s+ft\.?\s+/gi, ' / ')
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.replace(/\s+featuring\s+/gi, ' / ')
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.replace(/,\s+/g, ' / ');
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}
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// Download hi-res iTunes artwork (1000x1000) to cover.jpg, return path or null
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async function downloadArtwork(url, dir) {
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if (!url) return null;
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const dest = path.join(dir, 'cover.jpg');
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const hiRes = url.replace(/\d+x\d+bb\./, '1000x1000bb.');
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return new Promise(resolve => {
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const tryUrl = (u, fallback) => {
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const file = fs.createWriteStream(dest);
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https.get(u, res => {
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if (res.statusCode !== 200) {
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res.resume();
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file.close();
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try { fs.unlinkSync(dest); } catch {}
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if (fallback) tryUrl(fallback, null);
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else resolve(null);
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return;
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}
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res.pipe(file);
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file.on('finish', () => resolve(dest));
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file.on('error', () => resolve(null));
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}).on('error', () => {
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if (fallback) tryUrl(fallback, null);
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else resolve(null);
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});
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};
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tryUrl(hiRes, url !== hiRes ? url : null);
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});
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}
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const AUDIO_EXTS = ['mp3', 'flac', 'opus', 'm4a', 'ogg', 'wav'];
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function findExistingTrack(dir, trackPrefix, safeTitle) {
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return AUDIO_EXTS
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.map(ext => path.join(dir, `${trackPrefix}${safeTitle}.${ext}`))
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.find(f => fs.existsSync(f)) || null;
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}
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// Fetch plain + synced lyrics from LRCLIB
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async function fetchLyrics(artist, title, album) {
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try {
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const p = new URLSearchParams({ artist_name: artist, track_name: title });
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if (album) p.set('album_name', album);
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const r = await fetch(`https://lrclib.net/api/get?${p}`, {
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headers: { 'User-Agent': 'NovaSonic/1.0' },
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signal: AbortSignal.timeout(8000),
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});
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if (!r.ok) return null;
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const d = await r.json();
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return { plain: d.plainLyrics || null, synced: d.syncedLyrics || null };
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} catch { return null; }
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}
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// iTunes track lookup — fills in album, year, trackNum, totalTracks, genre when missing
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async function lookupItunesTrackMeta(artist, title) {
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try {
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const url = `https://itunes.apple.com/search?term=${encodeURIComponent(artist + ' ' + title)}&media=music&entity=musicTrack&limit=5&country=us&explicit=Yes`;
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const results = await new Promise((resolve, reject) => {
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https.get(url, 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 norm = s => s?.toLowerCase().trim() || '';
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const match = results.find(t =>
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norm(t.trackName) === norm(title) &&
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norm(t.artistName).split(' ')[0] === norm(artist).split(' ')[0]
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);
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if (!match) return {};
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return {
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album: match.collectionName || '',
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year: match.releaseDate ? new Date(match.releaseDate).getFullYear() : undefined,
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trackNum: match.trackNumber || undefined,
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totalTracks: match.trackCount || undefined,
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discNum: match.discNumber || undefined,
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discTotal: match.discCount || undefined,
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genre: match.primaryGenreName || undefined,
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artworkUrl: (match.artworkUrl100 || '').replace('100x100bb', '1000x1000bb'),
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durationMs: match.trackTimeMillis || undefined,
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};
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} catch { return {}; }
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}
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// Fetch individual tracks for an iTunes collectionId
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async function fetchItunesTracks(collectionId) {
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return new Promise((resolve, reject) => {
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const url = `https://itunes.apple.com/lookup?id=${collectionId}&entity=song&explicit=Yes`;
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https.get(url, res => {
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let data = '';
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res.on('data', d => data += d);
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res.on('end', () => {
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try {
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const parsed = JSON.parse(data);
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resolve((parsed.results || []).filter(r => r.wrapperType === 'track'));
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} catch { reject(new Error('iTunes API parse error')); }
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});
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}).on('error', reject);
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});
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}
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// Search iTunes for album tracks by artist + album name (fallback when no collectionId)
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async function searchItunesAlbumTracks(artist, album) {
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return new Promise(resolve => {
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const q = encodeURIComponent(`${artist} ${album}`);
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https.get(`https://itunes.apple.com/search?term=${q}&media=music&entity=album&limit=5&country=us&explicit=Yes`, res => {
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let d = '';
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res.on('data', c => d += c);
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res.on('end', () => {
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try {
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const results = JSON.parse(d).results || [];
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const match = results.find(r =>
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r.collectionName?.toLowerCase().includes(album.toLowerCase()) ||
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r.artistName?.toLowerCase().includes(artist.toLowerCase())
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);
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if (match) fetchItunesTracks(match.collectionId).then(resolve).catch(() => resolve([]));
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else resolve([]);
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} catch { resolve([]); }
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});
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}).on('error', () => resolve([]));
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});
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}
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module.exports = {
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sanitize, navidromeArtist,
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downloadArtwork, AUDIO_EXTS, findExistingTrack,
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fetchLyrics, lookupItunesTrackMeta, fetchItunesTracks, searchItunesAlbumTracks,
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};
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@@ -0,0 +1,291 @@
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const crypto = require('crypto');
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const https = require('https');
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const http = require('http');
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const path = require('path');
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const fs = require('fs');
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const { spawn } = require('child_process');
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const CONFIG = require('./config');
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const { log } = require('./jobs');
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const {
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sanitize, navidromeArtist,
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downloadArtwork, fetchLyrics, findExistingTrack,
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} = require('./metadata');
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const { embedMetadata } = require('./ytdlp');
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const SQUID_BASE = 'https://qobuz.squid.wtf';
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// Qobuz quality codes: mp3=5 (320kbps), flac=6 (16/44), hi-res=7 (24/96)
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const QUALITY_CODE = { mp3: '5', flac: '6', 'hi-res': '7' };
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function squidExt() {
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return CONFIG.squidQuality === 'mp3' ? 'mp3' : 'flac';
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}
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// ─── ALTCHA cookie cache ─────────────────────────────────────────────────────
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let _captchaCookie = null;
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let _captchaAt = 0;
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const CAPTCHA_TTL = 27 * 60 * 1000; // refresh 1 min before server's 28-min expiry
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// Iterative SHA-256 PoW solver — yields every 1000 iterations to stay non-blocking
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async function solveAltcha(challenge) {
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const { nonce, salt, cost, keyLength, keyPrefix } = challenge;
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const saltBuf = Buffer.from(salt, 'hex');
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const nonceBuf = Buffer.from(nonce, 'hex');
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const prefixBuf = Buffer.from(keyPrefix, 'hex');
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const startMs = Date.now();
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const BATCH = 1000;
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for (let base = 0; base < 1_000_000; base += BATCH) {
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for (let i = 0; i < BATCH; i++) {
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const counter = base + i;
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const ctrBuf = Buffer.allocUnsafe(4);
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ctrBuf.writeUInt32BE(counter);
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// password = nonce || counter_be32 ; initial = salt || password
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const initial = Buffer.concat([saltBuf, nonceBuf, ctrBuf]);
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let derived = crypto.createHash('sha256').update(initial).digest().slice(0, keyLength);
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for (let c = 0; c < cost; c++) {
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derived = crypto.createHash('sha256').update(derived).digest().slice(0, keyLength);
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}
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if (derived.slice(0, prefixBuf.length).equals(prefixBuf)) {
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return { counter, derivedKey: derived.toString('hex'), time: Date.now() - startMs };
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}
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}
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// Yield to event loop between batches
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await new Promise(r => setImmediate(r));
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}
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throw new Error('ALTCHA: no solution found within 1M iterations');
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}
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function httpsGet(url) {
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return new Promise((resolve, reject) => {
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const mod = url.startsWith('https') ? https : http;
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mod.get(url, { headers: { 'User-Agent': 'NovaSonic/1.0' } }, res => {
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let d = '';
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res.on('data', c => d += c);
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res.on('end', () => resolve({ status: res.statusCode, headers: res.headers, body: d }));
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}).on('error', reject);
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});
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}
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function httpsPost(url, body, extraHeaders) {
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return new Promise((resolve, reject) => {
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const payload = JSON.stringify(body);
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const parsed = new URL(url);
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const opts = {
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hostname: parsed.hostname,
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port: parsed.port || 443,
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path: parsed.pathname + parsed.search,
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'Content-Length': Buffer.byteLength(payload),
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'User-Agent': 'NovaSonic/1.0',
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...extraHeaders,
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},
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};
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const req = https.request(opts, res => {
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let d = '';
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res.on('data', c => d += c);
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res.on('end', () => resolve({ status: res.statusCode, headers: res.headers, body: d }));
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});
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req.on('error', reject);
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req.write(payload);
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req.end();
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});
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}
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async function getAltchaCookie() {
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if (_captchaCookie && Date.now() - _captchaAt < CAPTCHA_TTL) return _captchaCookie;
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// 1. Fetch challenge
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const chRes = await httpsGet(`${SQUID_BASE}/api/altcha/challenge`);
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if (chRes.status !== 200) throw new Error(`ALTCHA challenge HTTP ${chRes.status}`);
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const challenge = JSON.parse(chRes.body);
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// 2. Solve PoW
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const solution = await solveAltcha(challenge);
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// 3. Verify — server sets captcha_verified_at cookie
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const payload = Buffer.from(JSON.stringify({ challenge, solution })).toString('base64');
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const vRes = await httpsPost(`${SQUID_BASE}/api/altcha/verify`, { payload });
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if (vRes.status !== 200) throw new Error(`ALTCHA verify HTTP ${vRes.status}`);
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// Parse Set-Cookie: captcha_verified_at=<value>; ...
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const setCookie = [vRes.headers['set-cookie']].flat().filter(Boolean);
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const cookiePair = setCookie.map(c => c.split(';')[0]).find(c => c.startsWith('captcha_verified_at='));
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if (!cookiePair) throw new Error('ALTCHA verify: no cookie in response');
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_captchaCookie = cookiePair;
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_captchaAt = Date.now();
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return _captchaCookie;
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}
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async function squidApiGet(endpoint) {
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const cookie = await getAltchaCookie();
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return new Promise((resolve, reject) => {
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const url = `${SQUID_BASE}${endpoint}`;
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const parsed = new URL(url);
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const opts = {
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hostname: parsed.hostname,
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port: parsed.port || 443,
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path: parsed.pathname + parsed.search,
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method: 'GET',
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headers: {
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'Cookie': cookie,
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'Token-Country': 'US',
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'User-Agent': 'NovaSonic/1.0',
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},
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};
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const req = https.request(opts, res => {
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let d = '';
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res.on('data', c => d += c);
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res.on('end', () => resolve({ status: res.statusCode, body: d }));
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});
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req.on('error', reject);
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req.end();
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});
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}
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// Search Qobuz via squid.wtf, return best matching track object or null
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async function squidSearch(artist, title, durationMs) {
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const query = encodeURIComponent(`${artist} ${title}`);
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const res = await squidApiGet(`/api/get-music?q=${query}&offset=0`);
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if (res.status !== 200) throw new Error(`squid search HTTP ${res.status}`);
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const json = JSON.parse(res.body);
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// Handle both {data:{tracks:{items:[...]}}} and {tracks:{items:[...]}} wrappers
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const items = json?.data?.tracks?.items ?? json?.tracks?.items ?? [];
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if (!items.length) return null;
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const norm = s => (s || '').toLowerCase().trim();
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const normT = norm(title);
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const normA = norm(artist).split(/[,\s]/)[0];
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// Score candidates: prefer exact title match + matching artist + duration proximity
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const scored = items.map(t => {
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const tTitle = norm(t.title);
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const tArtist = norm(t.performer?.name || '');
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const tDuration = (t.duration || 0) * 1000; // Qobuz uses seconds
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let score = 0;
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if (tTitle === normT) score += 100;
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else if (tTitle.includes(normT)) score += 50;
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if (tArtist.startsWith(normA)) score += 30;
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if (durationMs && tDuration) {
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const diff = Math.abs(tDuration - durationMs);
|
||||
if (diff < 3000) score += 20; // within 3 s
|
||||
else if (diff < 10000) score += 10; // within 10 s
|
||||
else if (diff > 30000) score -= 20; // way off
|
||||
}
|
||||
return { track: t, score };
|
||||
});
|
||||
|
||||
scored.sort((a, b) => b.score - a.score);
|
||||
const best = scored[0];
|
||||
// Reject if score is too low (no reasonable match)
|
||||
if (best.score < 30) return null;
|
||||
return best.track;
|
||||
}
|
||||
|
||||
// Stream a URL to destPath (handles redirects via Location header)
|
||||
async function downloadUrlToFile(url, destPath) {
|
||||
return new Promise((resolve, reject) => {
|
||||
const tryFetch = (u, hops) => {
|
||||
if (hops > 5) { reject(new Error('Too many redirects')); return; }
|
||||
const mod = u.startsWith('https') ? https : http;
|
||||
const parsed = new URL(u);
|
||||
const opts = {
|
||||
hostname: parsed.hostname,
|
||||
port: parsed.port || (u.startsWith('https') ? 443 : 80),
|
||||
path: parsed.pathname + parsed.search,
|
||||
method: 'GET',
|
||||
headers: { 'User-Agent': 'NovaSonic/1.0' },
|
||||
};
|
||||
const req = mod.request(opts, res => {
|
||||
if (res.statusCode === 301 || res.statusCode === 302 || res.statusCode === 307) {
|
||||
res.resume();
|
||||
tryFetch(res.headers.location, hops + 1);
|
||||
return;
|
||||
}
|
||||
if (res.statusCode !== 200) {
|
||||
res.resume();
|
||||
reject(new Error(`Download HTTP ${res.statusCode}`));
|
||||
return;
|
||||
}
|
||||
const file = fs.createWriteStream(destPath);
|
||||
res.pipe(file);
|
||||
file.on('finish', () => file.close(resolve));
|
||||
file.on('error', reject);
|
||||
});
|
||||
req.on('error', reject);
|
||||
req.end();
|
||||
};
|
||||
tryFetch(url, 0);
|
||||
});
|
||||
}
|
||||
|
||||
// Download a single track via squid.wtf / Qobuz.
|
||||
// Returns { success: true, dir, skipped? } on success, null if track not found on Qobuz.
|
||||
async function downloadTrack({ jobId, artist, albumArtist, title, album, year, trackNum, totalTracks, discNum, discTotal, compilation, genre, artworkUrl, explicit, outputDir, durationMs }) {
|
||||
const mainArtist = albumArtist || artist;
|
||||
const safeArtist = sanitize(mainArtist.split(',')[0].trim());
|
||||
const safeAlbum = sanitize(album || 'Singles');
|
||||
const dir = path.join(outputDir || CONFIG.musicPath, safeArtist, safeAlbum);
|
||||
fs.mkdirSync(dir, { recursive: true });
|
||||
|
||||
const safeTitle = sanitize(title);
|
||||
const trackPrefix = trackNum ? String(trackNum).padStart(2, '0') + ' - ' : '';
|
||||
const ext = squidExt();
|
||||
|
||||
const existing = findExistingTrack(dir, trackPrefix, safeTitle);
|
||||
if (existing) {
|
||||
log(jobId, `⏭ Bereits vorhanden: ${path.basename(existing)} — übersprungen`);
|
||||
return { success: true, dir, skipped: true };
|
||||
}
|
||||
|
||||
log(jobId, `🦑 squid.wtf: suche "${artist} – ${title}"`);
|
||||
|
||||
// Solve ALTCHA if needed (cached for 27 min)
|
||||
await getAltchaCookie();
|
||||
|
||||
// Find track on Qobuz
|
||||
const searchArtist = mainArtist.replace(/[^\p{L}\p{N}\s,&\-]/gu, '').trim();
|
||||
const track = await squidSearch(searchArtist, title, durationMs);
|
||||
if (!track) {
|
||||
log(jobId, `⚠️ squid.wtf: "${title}" nicht auf Qobuz gefunden`);
|
||||
return null; // signals caller to fall back to yt-dlp
|
||||
}
|
||||
|
||||
// Get download URL
|
||||
const quality = QUALITY_CODE[CONFIG.squidQuality] || '5';
|
||||
const dlRes = await squidApiGet(`/api/download-music?track_id=${track.id}&quality=${quality}`);
|
||||
if (dlRes.status !== 200) throw new Error(`squid download-music HTTP ${dlRes.status}`);
|
||||
|
||||
const dlJson = JSON.parse(dlRes.body);
|
||||
const streamUrl = dlJson?.data?.url ?? dlJson?.url;
|
||||
if (!streamUrl) throw new Error('squid: no download URL in response');
|
||||
|
||||
// Download to a temp file, then embed metadata
|
||||
const audioFile = path.join(dir, `${trackPrefix}${safeTitle}.${ext}`);
|
||||
const tmpFile = audioFile + '.squidtmp';
|
||||
log(jobId, `⬇️ Lade herunter (Qobuz ${CONFIG.squidQuality.toUpperCase()})…`);
|
||||
try {
|
||||
await downloadUrlToFile(streamUrl, tmpFile);
|
||||
fs.renameSync(tmpFile, audioFile);
|
||||
} catch (e) {
|
||||
try { fs.unlinkSync(tmpFile); } catch {}
|
||||
throw e;
|
||||
}
|
||||
|
||||
// Use Qobuz artwork if no better URL was passed in
|
||||
const finalArtwork = artworkUrl || track.album?.image?.large || track.album?.image?.small || '';
|
||||
|
||||
return embedMetadata({
|
||||
jobId, audioFile, dir, trackPrefix, safeTitle,
|
||||
artist, mainArtist, album, year, trackNum, totalTracks,
|
||||
discNum, discTotal, compilation, genre,
|
||||
artworkUrl: finalArtwork, explicit, title,
|
||||
});
|
||||
}
|
||||
|
||||
module.exports = { downloadTrack };
|
||||
@@ -0,0 +1,276 @@
|
||||
const { spawn } = require('child_process');
|
||||
const path = require('path');
|
||||
const fs = require('fs');
|
||||
const CONFIG = require('./config');
|
||||
const { log } = require('./jobs');
|
||||
const {
|
||||
sanitize, navidromeArtist,
|
||||
downloadArtwork, fetchLyrics, findExistingTrack,
|
||||
} = require('./metadata');
|
||||
|
||||
// Extract a plain word from an artist name for yt-dlp --match-filter uploader check.
|
||||
function artistFilterWord(name) {
|
||||
const first = (name || '').split(/[,/•]/)[0].trim();
|
||||
const runs = first.match(/\w+/g) || [];
|
||||
const best = runs.filter(r => r.length >= 3).sort((a, b) => b.length - a.length)[0];
|
||||
return best || '';
|
||||
}
|
||||
|
||||
// Extract distinctive words from a track title for yt-dlp title ~= (?i) filters.
|
||||
function buildTitleKeywords(title) {
|
||||
const VARIANT_WORDS = new Set(['sped','speedup','slowed','reverb','nightcore','karaoke','parody','remix','cover','acoustic','instrumental']);
|
||||
const STOPWORDS = new Set(['the','a','an','and','or','of','in','on','at','to','for','feat','ft','with']);
|
||||
const MIX_QUALIFIERS = ['radio', 'extended', 'club', 'vip', 'original', 'edit'];
|
||||
const lower = (title || '').toLowerCase();
|
||||
const strippedTitle = (title || '').replace(/\([^)]*\)/g, '').trim();
|
||||
const words = strippedTitle
|
||||
.replace(/[^\w\s]/g, ' ')
|
||||
.split(/\s+/)
|
||||
.filter(w => w.length >= 3 && !VARIANT_WORDS.has(w.toLowerCase()) && !STOPWORDS.has(w.toLowerCase()));
|
||||
const top2 = words.sort((a, b) => b.length - a.length).slice(0, 2);
|
||||
const toPattern = w => (w.length >= 4 && w.endsWith('s')) ? w + '?' : w;
|
||||
const result = top2.map(toPattern);
|
||||
const qualifier = lower.includes('mix') ? MIX_QUALIFIERS.find(q => lower.includes(q)) : null;
|
||||
if (qualifier && !top2.some(w => w.toLowerCase() === qualifier)) result.push(qualifier);
|
||||
return result;
|
||||
}
|
||||
|
||||
// Build yt-dlp --match-filter conditions to reject variant versions.
|
||||
function buildVariantFilter(title) {
|
||||
const t = (title || '').toLowerCase();
|
||||
const RULES = [
|
||||
{ key: 'sped', expr: 'title !*= sped' },
|
||||
{ key: 'speedup', expr: 'title !*= speedup' },
|
||||
{ key: 'slowed', expr: 'title !*= slowed' },
|
||||
{ key: 'reverb', expr: 'title !*= reverb' },
|
||||
{ key: 'nightcore', expr: 'title !*= nightcore' },
|
||||
{ key: 'karaoke', expr: 'title !*= karaoke' },
|
||||
{ key: 'parody', expr: 'title !*= parody' },
|
||||
{ key: 'remix', expr: 'title !*= remix' },
|
||||
{ key: 'cover', expr: 'title !*= cover' },
|
||||
{ key: 'acoustic', expr: 'title !*= acoustic' },
|
||||
{ key: 'instrumental', expr: 'title !*= instrumental' },
|
||||
];
|
||||
const parts = RULES.filter(r => !t.includes(r.key)).map(r => r.expr);
|
||||
return parts.length ? parts.join(' & ') : '';
|
||||
}
|
||||
|
||||
async function downloadTrack({ jobId, artist, albumArtist, title, album, year, trackNum, totalTracks, discNum, discTotal, compilation, genre, artworkUrl, explicit, outputDir, durationMs }) {
|
||||
const mainArtist = albumArtist || artist;
|
||||
const safeArtist = sanitize(mainArtist.split(',')[0].trim());
|
||||
const safeAlbum = sanitize(album || 'Singles');
|
||||
const dir = path.join(outputDir || CONFIG.musicPath, safeArtist, safeAlbum);
|
||||
fs.mkdirSync(dir, { recursive: true });
|
||||
|
||||
const safeTitle = sanitize(title);
|
||||
const trackPrefix = trackNum ? String(trackNum).padStart(2, '0') + ' - ' : '';
|
||||
|
||||
const existing = findExistingTrack(dir, trackPrefix, safeTitle);
|
||||
if (existing) {
|
||||
log(jobId, `⏭ Bereits vorhanden: ${path.basename(existing)} — übersprungen`);
|
||||
return { success: true, dir, skipped: true };
|
||||
}
|
||||
|
||||
const outputTemplate = path.join(dir, `${trackPrefix}${safeTitle}.%(ext)s`);
|
||||
const searchArtist = mainArtist.replace(/[^\p{L}\p{N}\s,&\-]/gu, '').trim();
|
||||
const query = `${searchArtist} - ${title}`;
|
||||
|
||||
const baseArgs = [
|
||||
'--extract-audio',
|
||||
'--audio-format', CONFIG.audioFmt,
|
||||
'--audio-quality', CONFIG.audioQuality,
|
||||
'-o', outputTemplate,
|
||||
'--no-playlist',
|
||||
'--no-warnings',
|
||||
'--newline',
|
||||
'--match-filter', 'webpage_url !*= /browse/',
|
||||
];
|
||||
const PI_FILTERED = ['--playlist-items', '1-5', '--max-downloads', '1'];
|
||||
const PI_FILTERED_10 = ['--playlist-items', '1-10', '--max-downloads', '1'];
|
||||
const PI_UNFILTERED = ['--playlist-items', '1'];
|
||||
|
||||
const spawnYtdlp = (args) => new Promise((resolve, reject) => {
|
||||
const proc = spawn(CONFIG.ytdlpBin, args, { env: { ...process.env, PYTHONUNBUFFERED: '1' } });
|
||||
let stderr = '', lastPct = '';
|
||||
proc.stdout.on('data', d => {
|
||||
d.toString().split('\n').filter(l => l.trim()).forEach(line => {
|
||||
if (line.includes('%') && line === lastPct) return;
|
||||
if (line.includes('%')) lastPct = line;
|
||||
log(jobId, line.trim());
|
||||
});
|
||||
});
|
||||
proc.stderr.on('data', d => {
|
||||
stderr += d.toString();
|
||||
d.toString().split('\n')
|
||||
.filter(l => l.trim() && !l.startsWith('[debug]'))
|
||||
.forEach(l => log(jobId, l.trim()));
|
||||
});
|
||||
proc.on('error', reject);
|
||||
proc.on('close', code =>
|
||||
(code === 0 || code === 101) ? resolve() : reject(new Error(`yt-dlp code ${code}: ${stderr.slice(-300)}`))
|
||||
);
|
||||
});
|
||||
|
||||
const YTM_SONGS_PARAM = 'EgWKAQIIAWoKEAkQBRAKEAMQBA%3D%3D';
|
||||
const ytmUrl = `https://music.youtube.com/search?q=${encodeURIComponent(query)}¶ms=${YTM_SONGS_PARAM}`;
|
||||
const expectedAudio = path.join(dir, `${trackPrefix}${safeTitle}.${CONFIG.audioFmt}`);
|
||||
const hasAudio = () => fs.existsSync(expectedAudio);
|
||||
const tryYtdlp = async (args) => { await spawnYtdlp(args); };
|
||||
|
||||
const variantFilter = buildVariantFilter(title);
|
||||
const titleKws = buildTitleKeywords(title);
|
||||
const variantPart = variantFilter ? ` & ${variantFilter}` : '';
|
||||
const titleKwPart = titleKws.length ? titleKws.map(k => ` & title ~= (?i)${k}`).join('') : '';
|
||||
|
||||
const mf = (dur, variant) => {
|
||||
const durPart = dur ? `duration > ${dur.min} & duration < ${dur.max} & ` : '';
|
||||
return ['--match-filter',
|
||||
`${durPart}!is_live${titleKwPart}${variant ? variantPart : ''}`];
|
||||
};
|
||||
|
||||
if (durationMs) {
|
||||
const durationSec = Math.round(durationMs / 1000);
|
||||
const margin = Math.max(15, Math.round(durationSec * 0.15));
|
||||
const dur = { min: Math.max(30, durationSec - margin), max: durationSec + margin };
|
||||
|
||||
log(jobId, `🔍 Suche YT Music (~${durationSec}s ±${margin}s): "${query}"`);
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(dur, true), ...baseArgs]);
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Kein YTM-Treffer — Fallback zu YouTube…');
|
||||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(dur, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Erweitere Suche auf top 10 mit Dauerbeschränkung…');
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED_10, ...mf(dur, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch10:${query}`, ...PI_FILTERED_10, ...mf(dur, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Kein Treffer im Dauerbereich — suche ohne Dauerbeschränkung…');
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Letzter gefilterter Versuch…');
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Letzter Versuch: keine Filter…');
|
||||
await tryYtdlp([ytmUrl, ...PI_UNFILTERED, ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch1:${query}`, ...PI_UNFILTERED, ...baseArgs]);
|
||||
}
|
||||
} else {
|
||||
log(jobId, `🔍 Suche YT Music: "${query}"`);
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, true), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Letzter gefilterter Versuch…');
|
||||
await tryYtdlp([ytmUrl, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch5:${query}`, ...PI_FILTERED, ...mf(null, false), ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
log(jobId, '⚠️ Letzter Versuch: keine Filter…');
|
||||
await tryYtdlp([ytmUrl, ...PI_UNFILTERED, ...baseArgs]);
|
||||
}
|
||||
if (!hasAudio()) {
|
||||
await tryYtdlp([`ytsearch1:${query}`, ...PI_UNFILTERED, ...baseArgs]);
|
||||
}
|
||||
}
|
||||
|
||||
const audioFile = hasAudio() ? expectedAudio : null;
|
||||
if (!audioFile) {
|
||||
log(jobId, '⚠️ Keine Audio-Datei gefunden');
|
||||
return { success: true, dir };
|
||||
}
|
||||
|
||||
return embedMetadata({ jobId, audioFile, dir, trackPrefix, safeTitle, artist, mainArtist, album, year, trackNum, totalTracks, discNum, discTotal, compilation, genre, artworkUrl, explicit, title, lyricsArtist: artist });
|
||||
}
|
||||
|
||||
// Shared ffmpeg metadata embedding — used by both yt-dlp and squid paths
|
||||
async function embedMetadata({ jobId, audioFile, dir, trackPrefix, safeTitle, artist, mainArtist, album, year, trackNum, totalTracks, discNum, discTotal, compilation, genre, artworkUrl, explicit, title }) {
|
||||
const [coverPath, lyricsData] = await Promise.all([
|
||||
downloadArtwork(artworkUrl, dir),
|
||||
fetchLyrics(artist, title, album),
|
||||
]);
|
||||
const hasCover = !!(coverPath && fs.existsSync(coverPath));
|
||||
|
||||
if (lyricsData?.synced) {
|
||||
const lrcPath = path.join(dir, `${trackPrefix}${safeTitle}.lrc`);
|
||||
fs.writeFileSync(lrcPath, lyricsData.synced, 'utf8');
|
||||
log(jobId, '🎵 Synced lyrics gefunden');
|
||||
} else if (lyricsData?.plain) {
|
||||
log(jobId, '📝 Lyrics gefunden');
|
||||
}
|
||||
|
||||
log(jobId, `🏷 Metadaten + Cover → ${path.basename(audioFile)}`);
|
||||
|
||||
const fileExt = path.extname(audioFile);
|
||||
const tmpFile = audioFile.slice(0, -fileExt.length) + '.metatmp' + fileExt;
|
||||
await new Promise(resolve => {
|
||||
const ffArgs = ['-i', audioFile];
|
||||
if (hasCover) ffArgs.push('-i', coverPath);
|
||||
ffArgs.push('-map', '0:a');
|
||||
if (hasCover) ffArgs.push('-map', '1:v');
|
||||
ffArgs.push(
|
||||
'-c', 'copy',
|
||||
'-map_metadata', '-1',
|
||||
'-id3v2_version', '3',
|
||||
'-metadata', `title=${title}`,
|
||||
'-metadata', `artist=${navidromeArtist(artist)}`,
|
||||
'-metadata', `album_artist=${mainArtist}`,
|
||||
);
|
||||
if (album) ffArgs.push('-metadata', `album=${album}`);
|
||||
if (year) ffArgs.push('-metadata', `date=${String(year)}`);
|
||||
if (trackNum) ffArgs.push('-metadata', `track=${totalTracks ? `${trackNum}/${totalTracks}` : String(trackNum)}`);
|
||||
if (totalTracks) ffArgs.push('-metadata', `totaltracks=${String(totalTracks)}`);
|
||||
if (genre) ffArgs.push('-metadata', `genre=${genre}`);
|
||||
if (discNum) ffArgs.push('-metadata', `disc=${discTotal ? `${discNum}/${discTotal}` : String(discNum)}`);
|
||||
if (compilation) ffArgs.push('-metadata', `compilation=1`);
|
||||
if (explicit) ffArgs.push('-metadata', 'ITUNESADVISORY=1');
|
||||
if (lyricsData?.plain) ffArgs.push('-metadata', `lyrics=${lyricsData.plain}`);
|
||||
if (hasCover) {
|
||||
ffArgs.push(
|
||||
'-metadata:s:v', 'title=Album cover',
|
||||
'-metadata:s:v', 'comment=Cover (front)',
|
||||
);
|
||||
}
|
||||
ffArgs.push(tmpFile, '-y');
|
||||
|
||||
const ff = spawn('ffmpeg', ffArgs);
|
||||
let ffErr = '';
|
||||
ff.stderr.on('data', d => ffErr += d.toString());
|
||||
ff.on('error', () => resolve());
|
||||
ff.on('close', code => {
|
||||
if (code === 0 && fs.existsSync(tmpFile)) {
|
||||
fs.renameSync(tmpFile, audioFile);
|
||||
if (hasCover) try { fs.unlinkSync(coverPath); } catch {}
|
||||
const base = path.basename(audioFile, path.extname(audioFile));
|
||||
for (const ext of ['webm', 'webm.part', 'm4a', 'opus']) {
|
||||
try { fs.unlinkSync(path.join(dir, `${base}.${ext}`)); } catch {}
|
||||
}
|
||||
log(jobId, `✅ Fertig${hasCover ? ' (Cover 1000x1000 eingebettet)' : ''}`);
|
||||
} else {
|
||||
try { fs.unlinkSync(tmpFile); } catch {}
|
||||
log(jobId, `⚠️ ffmpeg code ${code}`);
|
||||
if (ffErr) log(jobId, ffErr.slice(-200));
|
||||
}
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
|
||||
return { success: true, dir };
|
||||
}
|
||||
|
||||
module.exports = { downloadTrack, embedMetadata };
|
||||
Reference in new issue
Block a user