295 lines
9.9 KiB
JavaScript
295 lines
9.9 KiB
JavaScript
const express = require('express');
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const deezer = require('deezer-js');
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const deemix = require('deemix');
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const path = require('path');
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const { promisify } = require('util');
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const fs = require('fs');
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const { exec } = require('child_process');
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const timeago = require('timeago.js');
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const toml = require('toml');
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const winston = require('winston');
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const logFormatter = winston.format.printf(({ level, message, timestamp }) => {
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return `${new Date(timestamp).toLocaleDateString('en-GB', {timeZone: 'UTC'})} ${new Date(timestamp).toLocaleTimeString('en-GB', {timeZone: 'UTC'})} ${level.replace('info', 'I').replace('warn', '!').replace('error', '!!')}: ${message}`;
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});
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winston.addColors({
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error: 'red',
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debug: 'blue',
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warn: 'yellow',
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http: 'gray',
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info: 'blue',
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verbose: 'cyan',
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silly: 'magenta'
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});
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const logger = winston.createLogger({
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level: 'debug',
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format: winston.format.combine(
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winston.format.simple()
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),
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transports: [
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new winston.transports.File({filename: 'deemix-web-fe-error.log', level: 'error'}),
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new winston.transports.File({filename: 'deemix-web-fe.log'}),
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new winston.transports.Console({
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format: winston.format.combine(
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winston.format.timestamp(),
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winston.format.colorize(),
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logFormatter
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)
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})
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]
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});
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if (!fs.existsSync('./config.toml')) {
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if (!fs.existsSync('./config.example.toml')) {
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logger.error('no config.toml OR config.example.toml found!!! what the hell are you up to!!!');
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process.exit(1);
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}
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logger.warn('copying config.example.toml to config.toml as it was not found. the default config may not be preferable!');
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fs.copyFileSync('./config.example.toml', './config.toml');
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}
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const config = toml.parse(fs.readFileSync('./config.toml'));
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logger.info('loaded config');
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const port = config.server.port || 4500;
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const deleteTimer = config.timer.deleteTimer || 1000 * 60 * 25;
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require('dotenv').config();
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const app = new express();
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const expressWs = require('express-ws')(app);
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const deezerInstance = new deezer.Deezer();
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let deemixDownloader;
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let deemixSettings = deemix.settings.DEFAULTS
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deemixSettings.downloadLocation = path.join(process.cwd(), 'data/');
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deemixSettings.overwriteFile = deemix.settings.OverwriteOption.ONLY_TAGS;
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const format = deezer.TrackFormats[config.deemix.trackFormat || 'FLAC'];
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deemixSettings.maxBitrate = String(format);
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deemixSettings.tracknameTemplate = config.deemix.trackNameTemplate || deemixSettings.tracknameTemplate;
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deemixSettings.albumTracknameTemplate = config.deemix.albumTrackNameTemplate || deemixSettings.albumTracknameTemplate;
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deemixSettings.albumNameTemplate = config.deemix.albumNameTemplate || deemixSettings.createM3U8File;
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deemixSettings.createM3U8File = config.deemix.createM3U8File !== undefined ? config.deemix.createM3U8File : deemixSettings.createM3U8File;
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deemixSettings.embeddedArtworkPNG = config.deemix.embeddedArtworkPNG !== undefined ? config.deemix.embeddedArtworkPNG : deemixSettings.embeddedArtworkPNG;
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deemixSettings.embeddedArtworkSize = config.deemix.embeddedArtworkSize || deemixSettings.embeddedArtworkSize;
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deemixSettings.saveArtwork = config.deemix.saveArtwork !== undefined ? config.deemix.saveArtwork : deemixSettings.saveArtwork;
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deemixSettings.localArtworkSize = deemixSettings.localArtworkSize || deemixSettings.localArtworkSize;
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deemixSettings.localArtworkFormat = deemixSettings.localArtworkFormat || deemixSettings.localArtworkFormat;
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deemixSettings.jpegImageQuality = deemixSettings.jpegImageQuality || deemixSettings.jpegImageQuality;
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deemixSettings.removeDuplicateArtists = config.deemix.removeDuplicateArtists !== undefined ? config.deemix.removeDuplicateArtists : deemixSettings.removeDuplicateArtists;
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const toDeleteLocation = './data/toDelete.json';
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if (!fs.existsSync(toDeleteLocation)) fs.writeFileSync(toDeleteLocation, '[]', {encoding: 'utf8'});
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let toDelete = JSON.parse(fs.readFileSync(toDeleteLocation, {encoding: 'utf8'}));
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function updateQueueFile() {
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fs.writeFileSync(toDeleteLocation, JSON.stringify(toDelete), {encoding: 'utf8'});
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}
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function queueDeletion(file) {
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logger.info(`queued deletion of ${file} ${timeago.format(Date.now() + deleteTimer)}`);
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toDelete.push({
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date: Date.now() + deleteTimer,
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file
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});
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setTimeout(() => {
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toDelete = toDelete.filter(c => c.file !== file);
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updateQueueFile();
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logger.info(`deleting queued file ${file}`);
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try {
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fs.unlinkSync(file);
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} catch(err) {
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logger.warn(`failed to delete ${file}! is the file already gone?`);
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}
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}, deleteTimer);
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updateQueueFile();
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}
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logger.info(`loaded ${toDelete.length} items in deletion queue`);
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let updateQueue = false;
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for (let del of toDelete) {
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if (Date.now() - del.date >= 0) {
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toDelete = toDelete.filter(c => c.file !== del.file);
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logger.warn(`deleting ${del.file} - was meant to be deleted ${timeago.format(del.date)}`);
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updateQueue = true;
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try {
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fs.unlinkSync(del.file);
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} catch(err) {
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logger.warn(`failed to delete ${del.file}! is the file already gone?`);
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}
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} else {
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logger.info(`queueing deletion of ${del.file} ${timeago.format(del.date)}`);
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setTimeout(() => {
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toDelete = toDelete.filter(c => c.file !== del.file);
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updateQueueFile();
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logger.info(`deleting queued file ${del.file}`);
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try {
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fs.unlinkSync(del.file);
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} catch(err) {
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logger.warn(`failed to delete ${del.file}! is the file already gone?`);
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}
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}, del.date - Date.now());
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}
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};
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if (updateQueue) {
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updateQueueFile();
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logger.info('updated deletion queue json');
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}
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if (config.server.proxy) {
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app.enable('trust proxy');
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logger.info('enabled express.js reverse proxy settings');
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}
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app.use((req, res, next) => {
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logger.http(`${(config.server.proxy && req.headers['x-forwarded-for']) || req.connection.remoteAddress} ${req.method} ${req.originalUrl} `);
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next();
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});
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app.use(express.static('public'));
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app.use('/data', express.static('data', {extensions: ['flac', 'mp3']}));
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app.get('/api/search', async (req, res) => {
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if (!req.query.search) return res.sendStatus(400);
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let s = await deezerInstance.api.search_album(req.query.search, {
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limit: config.limits.searchLimit || 15,
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});
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let format = s.data.map(s => {
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return {
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id: s.id,
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title: s.title,
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cover: s.md5_image,
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artist: {
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id: s.artist.id,
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name: s.artist.name
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},
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};
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});
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res.send(format);
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});
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app.get('/api/album', async (req, res) => {
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if (!req.query.id) return req.sendStatus(400);
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let album;
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try {
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album = await deezerInstance.api.get_album(req.query.id);
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} catch (err) {
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return req.status(404).send('Album not found!');
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}
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res.send({
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id: album.id,
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title: album.title,
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link: album.link,
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tracks: album.tracks.data.map(t => {
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return {
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id: t.id,
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title: t.title,
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duration: t.duration,
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link: t.link,
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artist: t.artist.name,
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};
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})
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});
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});
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app.ws('/api/album', async (ws, req) => {
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if (!req.query.id) return ws.close(1008, 'Supply a track ID in the query!');
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let trackpaths = [];
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const listener = {
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send(key, data) {
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if (data.downloaded) {
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// ws.send(JSON.stringify({key: 'download', data: data.downloadPath.replace(process.cwd(), '')}));
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trackpaths.push(data.downloadPath);
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queueDeletion(data.downloadPath);
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}
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if (data.state !== 'tagging' && data.state !== 'getAlbumArt' && data.state !== 'getTags') ws.send(JSON.stringify({key, data}));
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//console.log(`[${key}] ${inspect(data)}`);
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}
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};
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let album;
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try {
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album = await deezerInstance.api.get_album(req.query.id);
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} catch(err) {
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return ws.close(1012, 'Album not found');
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}
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listener.send('coverArt', album.cover_medium);
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listener.send('metadata', {id: album.id, title: album.title, artist: album.artist.name});
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let dlObj = await deemix.generateDownloadObject(deezerInstance, 'https://www.deezer.com/album/' + req.query.id, format);
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deemixDownloader = new deemix.downloader.Downloader(deezerInstance, dlObj, deemixSettings, listener);
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await deemixDownloader.start();
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if (trackpaths.length > 1) {
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await ws.send(JSON.stringify({key: 'zipping'}));
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const folderName = trackpaths[0].split('/').slice(-2)[0];
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try {
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await promisify(exec)(`${config.server.zipBinaryLocation} ${config.server.zipArguments} "data/${folderName}.zip" "data/${folderName}"`);
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} catch(err) {
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return ws.close(1011, 'Zipping album failed');
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}
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await ws.send(JSON.stringify({key: 'download', data: `data/${folderName}.zip`}));
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queueDeletion('./data/' + folderName + '.zip');
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} else {
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await ws.send(JSON.stringify({key: 'download', data: trackpaths[0].replace(process.cwd(), '')}));
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}
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ws.close(1000);
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});
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app.ws('/api/track', async (ws, req) => {
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if (!req.query.id) return ws.close(1008, 'Supply a track ID in the query!');
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const listener = {
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send(key, data) {
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if (data.downloaded) {
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ws.send(JSON.stringify({key: 'download', data: data.downloadPath.replace(process.cwd(), '')}));
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queueDeletion(data.downloadPath);
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}
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if (data.state !== 'tagging' && data.state !== 'getAlbumArt' && data.state !== 'getTags') ws.send(JSON.stringify({key, data}));
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//console.log(`[${key}] ${inspect(data)}`);
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}
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};
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let track;
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try {
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track = await deezerInstance.api.get_track(req.query.id);
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} catch(err) {
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return ws.close(1012, 'Track not found');
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}
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listener.send('coverArt', track.album.cover_medium);
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listener.send('metadata', {id: track.id, title: track.title, artist: track.artist.name});
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let dlObj = await deemix.generateDownloadObject(deezerInstance, 'https://www.deezer.com/track/' + req.query.id, format);
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deemixDownloader = new deemix.downloader.Downloader(deezerInstance, dlObj, deemixSettings, listener);
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await deemixDownloader.start();
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ws.close(1000);
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});
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deezerInstance.login_via_arl(process.env.DEEZER_ARL).then(() => {
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logger.info('logged into deezer');
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app.listen(port, () => {
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logger.info(`hosting on http://localhost:${port} and wss://localhost:${port}`);
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});
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});
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