ftp-srv

import { FtpSrv, errors } from 'ftp-srv'; import path from 'path'; import { promises as fs } from 'fs'; // For creating the dummy ftp_root directory const port = 21; const ftpServer = new FtpSrv({ url: `ftp://0.0.0.0:${port}`, anonymous: true }); ftpServer.on('login', ({ connection, username, password }, resolve, reject) => { // In a real application, you would validate credentials against a database // For this example, 'anonymous' allows access to a specific root path if (username === 'anonymous' && password === 'anonymous') { const userRoot = path.join(process.cwd(), 'ftp_root'); // A real scenario might dynamically create/select a user's directory return resolve({ root: userRoot }); } return reject(new errors.GeneralError('Invalid username or password', 401)); }); ftpServer.listen().then(() => { console.log(`FTP server started on ftp://0.0.0.0:${port}`); console.log('Connect with anonymous:anonymous to access', path.join(process.cwd(), 'ftp_root')); }).catch((err: Error) => { console.error('Failed to start FTP server:', err); process.exit(1); }); // Helper to ensure the FTP root directory exists and contains a sample file async function ensureFtpRootDirectory() { const rootPath = path.join(process.cwd(), 'ftp_root'); try { await fs.mkdir(rootPath, { recursive: true }); const welcomeFilePath = path.join(rootPath, 'welcome.txt'); await fs.writeFile(welcomeFilePath, 'Welcome to the ftp-srv server!\nThis is a sample file.', { flag: 'wx' }); // 'wx' to only write if file doesn't exist console.log(`Ensured FTP root directory at ${rootPath}`); } catch (error: any) { if (error.code !== 'EEXIST') { // Ignore if directory/file already exists console.error('Error setting up FTP root directory:', error); } } } ensureFtpRootDirectory();