ubertuber-backend/index.js
2024-10-28 13:21:04 -05:00

114 lines
3.5 KiB
JavaScript

// index.js
const express = require('express');
const ytSearch = require('yt-search');
const { exec } = require('child_process');
const fs = require('fs');
const path = require('path');
const cors = require('cors');
const app = express();
const port = 4286;
//use cors
app.use(cors());
// Middleware to parse JSON
app.use(express.json());
// Search endpoint using yt-search
app.get('/search', async (req, res) => {
const query = req.query.q;
if (!query) {
return res.status(400).json({ error: 'Query parameter "q" is required.' });
}
try {
const result = await ytSearch(query);
const videos = result.videos.slice(0, 1000); // Get up to 1000 videos
// Format videos for response
const formattedVideos = videos.map(v => {
const views = String(v.views).padStart(10, ' ');
return {
views: views,
title: v.title,
timestamp: v.timestamp,
author: v.author.name,
url: v.url
};
});
res.json(formattedVideos);
} catch (error) {
res.status(500).json({ error: 'An error occurred while searching for videos.' });
}
});
function getRandomHex() {
// Generate a random integer between 100 and 99999
const randomNumber = Math.floor(Math.random() * (99999 - 100 + 1)) + 100;
// Convert the number to a hexadecimal string and return it
return randomNumber.toString(16);
}
// Video download endpoint
app.get('/download', (req, res) => {
const videoUrl = req.query.url;
if (!videoUrl) {
console.error('Error: Query parameter "url" is required.');
return res.status(400).json({ error: 'Query parameter "url" is required.' });
}
// Set the output file path
var outputPath = path.join('/tmp/downloads', `${getRandomHex()}`);
// Create /tmp/downloads directory if it doesn't exist
try {
fs.mkdirSync(path.join('/tmp/downloads'), { recursive: true });
} catch (err) {
console.error('Error creating directory:', err);
return res.status(500).json({ error: 'Failed to create download directory.', details: err.message });
}
// Use yt-dlp to download the video
exec(`yt-dlp -o "${outputPath}" "${videoUrl}"`, (error, stdout, stderr) => {
if (error) {
console.error('Error executing yt-dlp:', stderr);
return res.status(500).json({ error: 'An error occurred while downloading the video.', details: stderr });
}
console.log('yt-dlp output:', stdout);
const downloadedFilePath = `${outputPath}.webm`;
console.log('Downloaded file path:', downloadedFilePath);
if (!downloadedFilePath || !fs.existsSync(downloadedFilePath)) {
console.error('Error: Downloaded file not found or invalid path.');
return res.status(500).json({ error: 'Downloaded file not found or invalid path.' });
}
// Send the file
res.download(downloadedFilePath, (err) => {
if (err) {
console.error('Error sending the file:', err);
return res.status(500).json({ error: 'Failed to send the file.', details: err.message });
}
// Optionally, delete the file after sending it
fs.unlink(downloadedFilePath, (err) => {
if (err) {
console.error('Failed to delete the file:', err);
}
});
});
});
});
app.listen(port, () => {
console.log(`Server running at http://localhost:${port}`);
});