send/server/routes/index.js

const busboy = require('connect-busboy');
const helmet = require('helmet');
const bodyParser = require('body-parser');
const requestLanguage = require('express-request-language');
const languages = require('../languages');
const storage = require('../storage');
const config = require('../config');
const pages = require('./pages');
// const lang = require('fluent-langneg')
const IS_DEV = config.env === 'development';

module.exports = function(app) {
  app.use(
    requestLanguage({
      languages
    })
  );
  app.use(helmet());
  app.use(
    helmet.hsts({
      maxAge: 31536000,
      force: !IS_DEV
    })
  );
  if (!IS_DEV) {
    app.use(
      helmet.contentSecurityPolicy({
        directives: {
          defaultSrc: ["'self'"],
          connectSrc: [
            "'self'",
            'https://sentry.prod.mozaws.net',
            'https://www.google-analytics.com'
          ],
          imgSrc: ["'self'", 'https://www.google-analytics.com'],
          scriptSrc: ["'self'"],
          styleSrc: ["'self'", 'https://code.cdn.mozilla.net'],
          fontSrc: ["'self'", 'https://code.cdn.mozilla.net'],
          formAction: ["'none'"],
          frameAncestors: ["'none'"],
          objectSrc: ["'none'"],
          reportUri: '/__cspreport__'
        }
      })
    );
  }
  app.use(
    busboy({
      limits: {
        fileSize: config.max_file_size
      }
    })
  );
  app.use(bodyParser.json());
  app.get('/', pages.index);
  app.get('/legal', pages.legal);
  app.get('/jsconfig.js', require('./jsconfig'));
  app.get('/share/:id', pages.blank);
  app.get('/download/:id', pages.download);
  app.get('/completed', pages.blank);
  app.get('/unsupported/:reason', pages.unsupported);
  app.post('/api/upload', require('./upload'));
  app.get('/api/download/:id', require('./download'));
  app.get('/api/exists/:id', require('./exists'));
  app.post('/api/delete/:id', require('./delete'));

  app.get('/__version__', function(req, res) {
    res.sendFile(require.resolve('../../dist/version.json'));
  });

  app.get('/__lbheartbeat__', function(req, res) {
    res.sendStatus(200);
  });

  app.get('/__heartbeat__', async (req, res) => {
    try {
      await storage.ping();
      res.sendStatus(200);
    } catch (e) {
      res.sendStatus(500);
    }
  });
};