207 lines
7.6 KiB
JavaScript
207 lines
7.6 KiB
JavaScript
'use strict'
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const youtubedl = require('youtube-dl');
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const fs = require('fs');
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const ffmpeg = require('fluent-ffmpeg');
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const { version } = require('../../../package.json');
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const Antl = use('Antl');
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const proxy = require('../../../proxy/proxy.json')
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let viewCounter = 0;
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let files = [];
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let day;
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let month;
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let announcementArray;
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let announcement;
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let defaultViewOption = { version: version, viewCounter: viewCounter, file: files, day: day, month: month, announcement: announcement, proxy: proxy }
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function formatBytes(bytes, decimals = 2) { // https://stackoverflow.com/a/18650828
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
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}
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class DownloadController {
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async index ({ view, request, locale }) {
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viewCounter++;
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defaultViewOption.viewCounter = viewCounter;
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// Couldn't find a cleaner way to make it change with the browser locale
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announcementArray = [Antl.forLocale(locale).formatMessage('announcement.1'), Antl.forLocale(locale).formatMessage('announcement.2'), Antl.forLocale(locale).formatMessage('announcement.3'), Antl.forLocale(locale).formatMessage('announcement.4'), Antl.forLocale(locale).formatMessage('announcement.5'), Antl.forLocale(locale).formatMessage('announcement.6'), Antl.forLocale(locale).formatMessage('announcement.7')];
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// Get random announcement
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defaultViewOption.announcement = announcementArray[Math.floor(Math.random() * announcementArray.length)];
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// Get date for some event
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let today = new Date();
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defaultViewOption.day = today.getDay();
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defaultViewOption.month = today.getMonth();
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// If legacy link return
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if (request.url() == '/legacy') return view.render('legacy', defaultViewOption);
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files = [];
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let file = [];
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for (let f of fs.readdirSync('./public/uploads')) {
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file.push(f)
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}
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// get the 5 most recent files
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file = file.sort((a, b) => {
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if ((a || b).endsWith('.mp4') || (a || b).endsWith('.webm') || (a || b).endsWith('.mp3') || (a || b).endsWith('.flac')) {
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let time1 = fs.statSync(`./public/uploads/${b}`).ctime;
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let time2 = fs.statSync(`./public/uploads/${a}`).ctime;
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if (time1 < time2) return -1;
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if (time1 > time2) return 1;
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}
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return 0;
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}).slice(0, 5)
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// Save space by deleting file that doesn't appear in the recent feed
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for (let f of fs.readdirSync('./public/uploads')) {
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if (!file.includes(f) && (f != 'hidden' && f != '.keep')) {
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fs.unlinkSync(`./public/uploads/${f}`);
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}
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}
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for (let f of file) {
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if (f.endsWith('.mp4') || f.endsWith('.webm')) {
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// Send file name, file size in MB relative path for the file
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let fileInfo = formatBytes(fs.statSync(`./public/uploads/${f}`).size).split(' ');
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files.push({ name: f.split('.').slice(0, -1).join('.'), size: fileInfo[0], unit: fileInfo[1], date: fs.statSync(`./public/uploads/${f}`).ctime, location: `uploads/${f}`, ext: f.split('.').pop(), img: '' });
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} else if (f.endsWith('.mp3') || f.endsWith('.flac')) {
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// Send file name, file size in MB relative path for the file and relative path of music.png
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let fileInfo = formatBytes(fs.statSync(`./public/uploads/${f}`).size).split(' ');
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files.push({ name: f.split('.').slice(0, -1).join('.'), size: fileInfo[0], unit: fileInfo[1], date: fs.statSync(`./public/uploads/${f}`).ctime, location: `uploads/${f}`, ext: f.split('.').pop(), img: `/asset/music.png` });
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}
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}
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defaultViewOption.file = files;
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return view.render('index', defaultViewOption);
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}
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async download({ view, request, response }) {
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let page = 'index';
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if (response.request.url == '/legacy') page = 'legacy';
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// To be honest i forgot what it does, but i think i need it
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response.implicitEnd = false
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let option, DLFile
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// Get form input
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let data = {
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url: request.input('URL'),
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quality: request.input('quality'),
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format: request.input('format'),
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alt: request.input('alt'),
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feed: request.input('feed'),
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proxy: request.input('proxy')
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}
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console.log(data.proxy);
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if (!data.url) {
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let viewOption = {...defaultViewOption};
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viewOption.error = true;
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viewOption.errormsg = 'bruh moment, you didin\'t input a link.';
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return view.render(page, viewOption);
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}
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// Youtube-dl quality settings
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if (data.quality == 'small')
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option = 'worst'
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else
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option = 'best'
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// If alt download ( Quality settings and file format option doesn't work here )
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if (data.alt) {
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let altFolder;
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if (data.feed == 'on') {
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altFolder = './public/uploads/hidden/alt.mp4';
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} else {
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altFolder = './public/uploads/alt.mp4'
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}
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if (fs.existsSync(altFolder)) {
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fs.unlink(altFolder, (err) => {
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if (err);
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});
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}
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let options = ['--format=mp4', '-o', altFolder];
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if (data.proxy !== "none") {
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options.push('--proxy');
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options.push(data.proxy);
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}
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return youtubedl.exec(data.url, options, {}, function(err, output) {
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if (err) {
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console.error(err);
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let viewOption = {...defaultViewOption};
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viewOption.error = true;
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viewOption.errormsg = err;
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return view.render(page, viewOption);
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}
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return response.attachment(altFolder);
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});
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} else {
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// Download as mp4 if possible
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let options = ['--format=mp4', '-f', option];
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if (data.proxy !== "none") {
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options.push('--proxy');
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options.push(data.proxy);
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}
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let video = youtubedl(data.url, options);
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video.on('error', function(err) {
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console.error(err);
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let viewOption = {...defaultViewOption};
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viewOption.error = true;
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viewOption.errormsg = err;
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return view.render(page, viewOption);
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})
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let ext;
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video.on('info', function(info) {
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// Set file name
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ext = info.ext;
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let title = info.title.slice(0,50);
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DLFile = `${title.replace(/\s/g, '_')}.${ext}`;
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DLFile = DLFile.replace(/[()]|[/]|[\\]/g, '_');
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// If no title use the ID
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if (title == '_') title = `_${info.id}`;
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// If user want to hide from the feed
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if (data.feed == 'on')
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DLFile = `hidden/${title}.${ext}`;
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video.pipe(fs.createWriteStream(`./public/uploads/${DLFile}`));
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});
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video.on('end', function() {
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if (data.format == 'mp4' || data.format == 'webm') {
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// If user requested mp4 directly attach the file
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return response.attachment(`./public/uploads/${DLFile}`)
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} else {
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// If user requested an audio format, convert it
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ffmpeg(`./public/uploads/${DLFile}`)
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.noVideo()
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.audioChannels('2')
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.audioFrequency('44100')
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.audioBitrate('320k')
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.format(data.format)
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.save(`./public/uploads/${DLFile.replace(`.${ext}`, `.${data.format}`)}`)
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.on('end', () => {
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fs.unlinkSync(`./public/uploads/${DLFile}`);
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return response.attachment(`./public/uploads/${DLFile.replace(`.${ext}`, `.${data.format}`)}`);
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})
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}
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});
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}
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}
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}
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module.exports = DownloadController
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