response.ts

/**
 *  SudoSOS back-end API service.
 *  Copyright (C) 2024  Study association GEWIS
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published
 *  by the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *  @license
 */

/**
 * This is the module page of the put-file-in-response.
 *
 * @module internal/files
 */

import { Response } from 'express';
import mime from 'mime-types';
import BaseFile from '../entity/file/base-file';

export default function putFileInResponse(res: Response, file: BaseFile, data: Buffer) {
  res.setHeader('Content-Type', mime.lookup(file.location).toString());
  res.setHeader('Content-Length', data.byteLength.toString());
  res.setHeader('Content-Disposition', `attachment; filename="${file.downloadName}"`);
  res.status(200);

  res.send(data);
}