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index.js
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index.js
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const express = require('express');
const fs = require('fs');
const bodyParser = require('body-parser');
const cors = require('cors');
const JsonDB = require('node-json-db');
const dree = require('dree');
const mm = require('music-metadata');
const config = require('./core/config.js');
const core = require('./core/core.js');
const logger = require('./core/log.js');
const package = require('./package.json');
const app = express();
const db = new JsonDB("database", true, true);
let noThumbnailBuffer = 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", 'base64');
app.use(express.static('public'));
app.use(bodyParser.json());
app.use(cors({
origin: [
'http://127.0.0.1',
'http://127.0.0.1:4600',
'http://192.168.178.31',
'http://192.168.178.31:4600'
]
}));
/* Clear terminal */
console.clear();
logger.log(logger.INFO, 'General', `Musable v${package.version}`)
/* Check database values and set them */
try { db.getData('/songs'); } catch(e) { db.push('/songs', []); }
try { db.getData('/settings/song_locations'); } catch(e) { db.push('/settings/song_locations', [ "Z:/Music" ]); }
try { db.getData('/settings/song_extensions'); } catch(e) { db.push('/settings/song_extensions', ['mp3', 'flac', 'wav', 'ogg']); }
try { db.getData('/users'); } catch(e) {
db.push('/users', {});
db.push('/users/admin', { id: 1, password: '8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918', rank: 'admin' });
}
let songLocations = db.getData('/settings/song_locations');
let songExtensions = db.getData('/settings/song_extensions');
/* Show database information */
logger.log(logger.INFO, 'Database', `Loaded '${db.getData('/songs').length}' song(s)`);
logger.log(logger.INFO, 'Database', `Loaded '${songLocations.length}' folder location(s)`);
logger.log(logger.INFO, 'Database', `Loaded '${songExtensions.length}' song extension(s)`);
/* Add song to databse */
function addSongToDB(songName, folderName, ignore) {
let currentSongs = db.getData('/songs');
currentSongs.push({ id: (currentSongs.length), file: songName, folder: folderName, ignore: ignore });
db.push('/songs', currentSongs);
}
/* Scan music folders */
function musicScanner() {
logger.log(logger.INFO, 'Scanner', `Music scanner started...`);
const options = {
stat: false,
extensions: songExtensions
};
const fileCallback = function (element, stat) {
/* Global function values */
let relativePath = "/" + element.relativePath.replace(element.name, '').replace('\\', '/').slice(0, -1) + "/";
let song = element.name;
/* Get database songs, set current songs counter, set song found false */
let currentSongs = db.getData('/songs');
let currentSongsC = 0;
let songFound = false;
/* Check if song is already in databse */
for(dbSong in currentSongs) {
if(currentSongs[dbSong].file == song) {
songFound = true;
}
/* Last item, then add to database */
if(currentSongsC == currentSongs.length-1) {
if(songFound == false) {
addSongToDB(song, relativePath, false);
logger.log(logger.INFO, 'Scanner', `Song '${element.relativePath}' added to database!`);
}
}
currentSongsC++;
}
/* If database is empty */
if(currentSongs.length == 0) {
logger.log(logger.INFO, 'Scanner', `Song '${element.relativePath}' added to database!`);
addSongToDB(song, relativePath, false);
}
};
const dirCallback = function (element, stat) {
logger.log(logger.INFO, 'Scanner', `Scanning folder '${element.relativePath}'...`);
};
dree.scan('Z:/Music', options, fileCallback, dirCallback);
}
/* Process metadata of songs in database */
function processMetadata() {
(async () => {
try {
const metadata = await mm.parseFile('Z:/Music/Billie Eilish - Happier Than Ever/Billie Eilish - Everybody Dies.mp3');
console.log(metadata.common);
} catch (error) {
console.error(error.message);
}
})();
}
app.get('/api/getSongThumbnail/:id', async function(req, res) {
var id = req.params.id;
let currentSongs = db.getData('/songs');
let song = currentSongs[parseInt(id)].location + currentSongs[parseInt(id)].folder + currentSongs[parseInt(id)].file;
const metadata = await mm.parseFile(song);
if("picture" in metadata.common) {
let img = Buffer.from(metadata.common.picture[0].data.toString('base64'), 'base64');
res.writeHead(200, {
'Content-Type': 'image/png',
'Content-Length': img.length
});
res.end(img);
} else {
res.writeHead(200, {
'Content-Type': 'image/png',
'Content-Length': noThumbnailBuffer.length
});
res.end(noThumbnailBuffer);
}
});
/* Express: Play song */
app.get('/api/playFile/:id', function(req, res) {
var id = req.params.id;
let currentSongs = db.getData('/songs');
let music = currentSongs[parseInt(id)].location + currentSongs[parseInt(id)].folder + currentSongs[parseInt(id)].file;
var stat = fs.statSync(music);
range = req.headers.range;
var readStream;
if (range !== undefined) {
var parts = range.replace(/bytes=/, "").split("-");
var partial_start = parts[0];
var partial_end = parts[1];
if ((isNaN(partial_start) && partial_start.length > 1) || (isNaN(partial_end) && partial_end.length > 1)) {
return res.sendStatus(500); //ERR_INCOMPLETE_CHUNKED_ENCODING
}
var start = parseInt(partial_start, 10);
var end = partial_end ? parseInt(partial_end, 10) : stat.size - 1;
var content_length = (end - start) + 1;
res.status(206).header({
'Content-Type': 'audio/mpeg',
'Content-Length': content_length,
'Content-Range': "bytes " + start + "-" + end + "/" + stat.size
});
readStream = fs.createReadStream(music, {start: start, end: end});
} else {
res.header({
'Content-Type': 'audio/mpeg',
'Content-Length': stat.size
});
readStream = fs.createReadStream(music);
}
readStream.pipe(res);
});
/* Express: Get specific song information */
app.get('/api/getSong/:id', function(req, res) {
let id = req.params.id;
if(isNaN(id)) {
res.json({
error: "Song does not exist"
});
return;
}
try {
let currentSong = db.getData(`/songs/${parseInt(id)}`);
res.json(currentSong);
return;
} catch(e) {
res.json({
error: "Song does not exist"
});
return;
}
});
/* Express: Get all songs information */
app.get('/api/getAllSongs', function(req, res) {
res.json(db.getData('/songs'));
});
/* Express: Scan all locations for music */
app.get('/api/scanMusic', function(req, res) {
musicScanner();
});
/* Express: Process all metadata of the songs */
app.get('/api/processMetadata', function(req, res) {
processMetadata();
});
/* Start HTTP & API server */
try {
app.listen(config.http_api_port);
logger.log(logger.INFO, 'API', `HTTP and API started at http://127.0.0.1:${config.http_api_port}`)
} catch(e) { }