ftp-srv-esm/src/commands/registration/stou.js

Modern, extensible FTP server (daemon) for Node.js with ESM support. Based on ftp-srv.

import stor from './stor.js';

export default {
  directive: 'STOU',
  handler: function (args) {
    if (!this.fs) return this.reply(550, 'File system not instantiated');
    if (!this.fs.get || !this.fs.getUniqueName) return this.reply(402, 'Not supported by file system');

    const fileName = args.command.arg;
    return Promise.resolve()
      .then(() => this.fs.get(fileName))
      .then(() => this.fs.getUniqueName(fileName))
      .catch(() => fileName)
      .then((name) => {
        args.command.arg = name;
        return stor.handler.call(this, args);
      });
  },
  syntax: '{{cmd}}',
  description: 'Store file uniquely'
};