node-red-webpty/ftp.js

* web-pty: run node-pty on node-red host * ftp-srv: run a ftp-srv on node-red host

const { FtpSrv, ftpErrors } = require('ftp-srv');

module.exports = function(RED){
  console.log('red ftp is loaded...');

  function FTPServer(config){
    RED.nodes.createNode(this, config);

    if(RED.__ftp_srv) {
      return;
    }
    const ftpServer = new FtpSrv({
      url: config.url,
      anonymous: config.anonymous,
      pasv_min: +config.pasvMin,
      pasv_max: +config.pasvMax,
    });
    console.log('ref ftp is listen on ', config.url, config.username, config.password)

    RED.__ftp_srv = ftpServer;

    ftpServer.on('login', ({ connection, username, password }, resolve, reject) => { 
      if(!config.anonymous){
        if(config.username && config.password && username === config.username && password === config.password){
          return resolve({ root:"/" });
        }
        return reject(new ftpErrors.GeneralError('Invalid username or password', 401));
      }
      return resolve({ root: '/' })
    });
    ftpServer.listen().then(() => { 
        console.log('Ftp server is starting...')
    });

    this.on('close', (done) => {
      console.log('ftp server close')
      ftpServer.close()
      delete RED.__ftp_srv;
      done()
    })
  }
  RED.nodes.registerType('ftp-srv', FTPServer);
}