365 lines
11 KiB
JavaScript
365 lines
11 KiB
JavaScript
const express = require('express');
|
|
const Queue = require('bull');
|
|
const { spawn } = require('child_process');
|
|
const fs = require('fs');
|
|
const path = require('path');
|
|
const cors = require('cors');
|
|
const EventEmitter = require('events');
|
|
const axios = require('axios');
|
|
var mpdParser = require('mpd-parser');
|
|
const softwareService = require('./services/softwares');
|
|
|
|
const BASE_PATH = process.env.DATA_PATH || `./data`;
|
|
const OUTPUT_PATH = `${BASE_PATH}/output`;
|
|
const TMP_PATH = `${BASE_PATH}/tmp`;
|
|
|
|
const app = express();
|
|
const port = 3000;
|
|
|
|
app.use(cors());
|
|
app.use(express.json());
|
|
|
|
const videoQueue = new Queue('crawlflix_queue', 'redis://192.168.1.222:32768');
|
|
|
|
videoQueue.on('error', (e) => {
|
|
console.log('An error occured', e);
|
|
});
|
|
|
|
const runCommand = (command) => {
|
|
console.log('⚙️ Will execute: ' + command);
|
|
return new Promise((resolve, reject) => {
|
|
const cmd = spawn(command, { shell: true });
|
|
let lastLog = '';
|
|
|
|
cmd.stdout.on('data', (data) => {
|
|
lastLog = data.toString();
|
|
process.stdout.write(data.toString());
|
|
});
|
|
|
|
cmd.stderr.on('data', (data) => {
|
|
lastLog = data.toString();
|
|
process.stderr.write(`stderr: ${data.toString()}`);
|
|
});
|
|
|
|
cmd.on('close', (code) => {
|
|
if (code === 0) {
|
|
resolve('Command executed successfully.');
|
|
} else {
|
|
reject(lastLog || 'Command failed with status code ' + code);
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
const runProgressCommand = (command) => {
|
|
console.log('⚙️ Will execute: ' + command);
|
|
const emitter = new EventEmitter();
|
|
|
|
const executeCommand = new Promise((resolve, reject) => {
|
|
const cmd = spawn(command, { shell: true });
|
|
let lastLog = '';
|
|
|
|
cmd.stdout.on('data', (data) => {
|
|
lastLog = data.toString();
|
|
const perc = extractPercentage(data.toString());
|
|
if (!perc) {
|
|
process.stdout.write(data.toString());
|
|
} else {
|
|
emitter.emit('percentage', perc);
|
|
}
|
|
});
|
|
|
|
cmd.stderr.on('data', (data) => {
|
|
lastLog = data.toString();
|
|
process.stderr.write(`stderr: ${data.toString()}`);
|
|
});
|
|
|
|
cmd.on('close', (code) => {
|
|
if (code === 0) {
|
|
resolve('Command executed successfully.');
|
|
} else {
|
|
reject(lastLog || 'Command failed with status code ' + code);
|
|
}
|
|
});
|
|
});
|
|
|
|
return { executeCommand, emitter };
|
|
};
|
|
|
|
// Route pour démarrer le processus
|
|
app.post('/start-process', async (req, res, next) => {
|
|
try {
|
|
const { mp4Filename, mpdUrl, keys, wantedResolution, wantedAudioTracks, wantedSubtitles } = req.body;
|
|
console.log(req.body);
|
|
const job = await videoQueue.add({
|
|
mp4Filename,
|
|
mpdUrl,
|
|
keys,
|
|
wantedResolution,
|
|
wantedAudioTracks,
|
|
wantedSubtitles
|
|
});
|
|
res.json({ jobId: job.id });
|
|
} catch(e) {
|
|
console.log(e);
|
|
next();
|
|
}
|
|
});
|
|
|
|
// Route pour vérifier le statut du job
|
|
app.get('/job-status/:jobId', async (req, res) => {
|
|
const job = await videoQueue.getJob(req.params.jobId);
|
|
if (job === null) {
|
|
res.status(404).json({ error: 'Job not found' });
|
|
} else {
|
|
const state = await job.getState();
|
|
const progress = job._progress;
|
|
res.json({ jobId: job.id, state, progress });
|
|
}
|
|
});
|
|
|
|
app.get('/jobs-status', async (req, res) => {
|
|
const jobs = await videoQueue.getJobs();
|
|
res.json(await Promise.all(jobs.splice(0, 25).map(async job => ({
|
|
id: job.id,
|
|
state: await job.getState(),
|
|
progress: job._progress,
|
|
addedOn: job.timestamp,
|
|
processedOn: job.processedOn,
|
|
finishedOn: job.finishedOn,
|
|
returnValue: job.returnvalue,
|
|
failedReason: job.failedReason,
|
|
data: job.data
|
|
}))));
|
|
});
|
|
|
|
app.get('/download/:filename', async (req, res) => {
|
|
const { filename } = req.params;
|
|
const file = path.join(process.cwd(), filename);
|
|
res.download(file);
|
|
});
|
|
|
|
app.get('/hello', async (req, res, next) => {
|
|
try {
|
|
res.json({
|
|
downloader: await softwareService.checkDownloaderUpdate(),
|
|
mp4decrypt: await softwareService.checkMp4decryptUpdate()
|
|
})
|
|
} catch(e) {
|
|
console.log(e);
|
|
next(e);
|
|
}
|
|
});
|
|
|
|
app.post('/processUpdate', async (req, res, next) => {
|
|
try {
|
|
console.log(req.body);
|
|
await softwareService.processUpdate(req.body);
|
|
res.end();
|
|
} catch(e) {
|
|
console.log(e);
|
|
next(e);
|
|
}
|
|
});
|
|
|
|
const checkFilesExistance = (pattern, path) => {
|
|
return new Promise(async (resolve, reject) => {
|
|
try {
|
|
const files = fs.readdirSync(path);
|
|
resolve(files.filter(file => file.includes(pattern)));
|
|
} catch(e) {
|
|
reject(e);
|
|
}
|
|
});
|
|
};
|
|
|
|
const extractPercentage = (line) => {
|
|
const s = line.split('%');
|
|
const percentages = [];
|
|
|
|
for (let i = 0; i < s.length; i++) {
|
|
if (s[i].length === 0) continue;
|
|
const ss = s[i].split(' ');
|
|
if (ss.length > 0 && !isNaN(ss[ss.length - 1]))
|
|
percentages.push(parseFloat(ss[ss.length - 1]));
|
|
}
|
|
if (percentages.length === 0) return null;
|
|
return Math.max(...percentages.filter((p) => p < 100));
|
|
}
|
|
|
|
const parseMPDStream = async (mpdUrl) => {
|
|
const mpdResponse = await axios({
|
|
url: mpdUrl,
|
|
method: 'GET',
|
|
responseType: 'text'
|
|
});
|
|
const eventHandler = ({ type, message }) => console.log(`${type}: ${message}`);
|
|
|
|
const parsedManifest = mpdParser.parse(mpdResponse.data , { mpdUrl, eventHandler });
|
|
|
|
const obj = {
|
|
audioTracks: [],
|
|
videoTracks: [],
|
|
subtitles: []
|
|
};
|
|
for (const [key, value] of Object.entries(parsedManifest?.mediaGroups?.AUDIO?.audio)) {
|
|
for (let i = 0; i < value.playlists.length; i++) {
|
|
obj.audioTracks.push({
|
|
name: key,
|
|
language: value.language,
|
|
attributes: value.playlists[i].attributes
|
|
});
|
|
}
|
|
}
|
|
for (const [key, value] of Object.entries(parsedManifest?.mediaGroups?.SUBTITLES?.subs)) {
|
|
for (let i = 0; i < value.playlists.length; i++) {
|
|
obj.subtitles.push({
|
|
name: key,
|
|
language: value.language,
|
|
attributes: value.playlists[i].attributes
|
|
});
|
|
}
|
|
}
|
|
for (let i = 0; i < parsedManifest.playlists.length; i++) {
|
|
obj.videoTracks.push({
|
|
name: `${parsedManifest.playlists?.[i]?.attributes?.RESOLUTION?.width || 'N/C'}x${parsedManifest.playlists?.[i]?.attributes?.RESOLUTION?.height || 'N/C'}`,
|
|
codec: parsedManifest.playlists?.[i]?.attributes?.CODECS,
|
|
bandwidth: parsedManifest.playlists?.[i]?.attributes?.BANDWIDTH,
|
|
fps: parsedManifest.playlists?.[i]?.attributes?.['FRAME-RATE'],
|
|
resolution: {
|
|
width: parsedManifest.playlists?.[i]?.attributes?.RESOLUTION?.width,
|
|
height: parsedManifest.playlists?.[i]?.attributes?.RESOLUTION?.height
|
|
}
|
|
});
|
|
}
|
|
obj.videoTracks = obj.videoTracks.sort((a, b) => b.resolution.width - a.resolution.width);
|
|
return obj;
|
|
};
|
|
|
|
app.post('/processMPD', async (req, res, next) => {
|
|
try {
|
|
res.json(await parseMPDStream(req.body.mpdUrl));
|
|
} catch(e) {
|
|
console.log(e);
|
|
next(e);
|
|
}
|
|
});
|
|
|
|
// Processus de la file d'attente
|
|
videoQueue.process((job) => {
|
|
return new Promise(async (resolve, reject) => {
|
|
try {
|
|
console.log('Will launch job')
|
|
const { mp4Filename, mpdUrl, keys, wantedResolution, wantedAudioTracks, wantedSubtitles } = job.data;
|
|
const downloaderPath = softwareService.getLocalBinFileInfo('downloader').path;
|
|
const mp4decryptPath = softwareService.getLocalBinFileInfo('mp4decrypt').path;
|
|
const mp4TmpFilepath = path.join(TMP_PATH, `${mp4Filename}.mp4`);
|
|
const mp4FinalFilepath = path.join(OUTPUT_PATH, `${mp4Filename}.mp4`);
|
|
console.log('1')
|
|
//await parseMPDStream(mpdUrl);
|
|
const filesExist = await checkFilesExistance('encrypted', TMP_PATH);
|
|
console.log('2')
|
|
if (filesExist.length === 0) {
|
|
// const resPattern = {
|
|
// '4k': [3840, 2160],
|
|
// '1080p': [1920, 1080],
|
|
// '720p': [1280, 720],
|
|
// '480p': [854, 480],
|
|
// '360p': [640, 360],
|
|
// '240p': [426, 240]
|
|
// }[wantedResolution] || [1920, 1080];
|
|
console.log('Encrypted files not found, downloading...');
|
|
job.progress(10);
|
|
const { executeCommand, emitter } = runProgressCommand(`${downloaderPath} \"${mpdUrl}\" --save-dir ${TMP_PATH} --save-name ${mp4Filename}.mp4_encrypted --select-video res=\"${wantedResolution.resolution.width}*\" --select-audio lang=\"${wantedAudioTracks.map(elem => elem.language).join('|')}\":for=best2 --select-subtitle all`, true);
|
|
emitter.on('percentage', (percentage) => {
|
|
console.log(`Download Progression : ${percentage}%`);
|
|
job.progress(Math.round(10 + (percentage / 5)));
|
|
});
|
|
await executeCommand;
|
|
} else {
|
|
console.log('Encrypted files already exist, bypassing download...')
|
|
}
|
|
|
|
job.progress(30);
|
|
|
|
// Décryptage vidéo
|
|
await runCommand(`${mp4decryptPath} ${keys.map(k => `--key ${k.key}:${k.value}`).join(' ')} "${mp4TmpFilepath}_encrypted.mp4" "${mp4TmpFilepath}_decrypted.mp4"`);
|
|
|
|
job.progress(50);
|
|
|
|
// Décryptage audio
|
|
const audioFiles = fs.readdirSync(mp4TmpFilepath);
|
|
const finalAudio = [];
|
|
for (const file of audioFiles) {
|
|
if (file.startsWith(`${mp4TmpFilepath}_encrypted`) && file.endsWith('.m4a')) {
|
|
const baseName = path.basename(file, '.m4a');
|
|
await runCommand(`${mp4decryptPath} ${keys.map(k => `--key ${k.key}:${k.value}`).join(' ')} "${file}" "${baseName}_decrypted.m4a"`);
|
|
finalAudio.push(`${baseName}_decrypted.m4a`);
|
|
}
|
|
}
|
|
|
|
job.progress(70);
|
|
|
|
// Combinaison avec ffmpeg
|
|
let ffmpegCommand = `ffmpeg -y -i ${mp4TmpFilepath}_decrypted.mp4`;
|
|
let mapCommand = ' -map 0:v';
|
|
let inputIndex = 1;
|
|
|
|
for (const file of finalAudio) {
|
|
//if (file.startsWith(`${mp4Filename}_encrypted`) && file.endsWith('_decrypted.m4a')) {
|
|
ffmpegCommand += ` -i ${file}`;
|
|
mapCommand += ` -map ${inputIndex}:a`;
|
|
inputIndex++;
|
|
//}
|
|
}
|
|
|
|
ffmpegCommand += `${mapCommand} -c copy ${mp4FinalFilepath}.mp4`;
|
|
await runCommand(ffmpegCommand);
|
|
|
|
job.progress(90);
|
|
|
|
// Renommage des fichiers SRT
|
|
let counter = 1;
|
|
for (const file of audioFiles) {
|
|
if (file.startsWith(`${mp4TmpFilepath}_encrypted`) && file.endsWith('.srt')) {
|
|
fs.renameSync(file, `${mp4FinalFilepath}_${counter}.srt`);
|
|
counter++;
|
|
}
|
|
}
|
|
|
|
// Nettoyage (commenté pour correspondre au script original)
|
|
await runCommand(`rm ${mp4TmpFilepath}_encrypted* && rm ${mp4TmpFilepath}_decrypted*`);
|
|
|
|
job.progress(100);
|
|
resolve({ message: `File fetched and decrypted with success: ${mp4Filename}.mp4`, filePath: `${mp4FinalFilepath}.mp4`, fileName: `${mp4Filename}.mp4` });
|
|
} catch (error) {
|
|
console.log('Error while processing task', error)
|
|
reject(new Error(`${error.toString() || error}`));
|
|
}
|
|
});
|
|
});
|
|
|
|
app.listen(port, () => {
|
|
console.log(`Server running at http://localhost:${port}`);
|
|
const dirsToCheck = [{
|
|
path: BASE_PATH,
|
|
name: 'data'
|
|
}, {
|
|
path: OUTPUT_PATH,
|
|
name: 'output'
|
|
}, {
|
|
path: TMP_PATH,
|
|
name: 'tmp'
|
|
}];
|
|
|
|
for (let i = 0; i < dirsToCheck.length; i++) {
|
|
const dir = dirsToCheck[i];
|
|
if (!fs.existsSync(dir.path)) {
|
|
console.log(`Creating ${dir.name} directory...`);
|
|
fs.mkdirSync(dir.path);
|
|
}
|
|
}
|
|
|
|
softwareService.init();
|
|
|
|
}); |