Function setupExpressMiddleware

server_setup.js:64–111

(app)

};

const setupExpressMiddleware = function(app) {
  if (config.isProduction) {
    morgan.format('prod', productionLogging);
    app.use(morgan('prod'));
    app.use(compression({filter(req, res) {
      if (req.headers.host === 'codecombat.com') { return false; }  // CloudFlare will gzip it for us on codecombat.com
      return compressible(res.getHeader('Content-Type'));
    }
    })
    );
  } else if (!global.testing || config.TRACE_ROUTES) {
    morgan.format('dev', developmentLogging);
    app.use(morgan('dev'));
  }

  app.use(function(req, res, next) {
    res.header('X-Cluster-ID', config.clusterID);
    return next();
  });

  app.use('/', express.static(path.join(publicPath, 'templates', 'static')));

  if ((config.buildInfo.sha !== 'dev') && config.isProduction) {
    app.use(`/${config.buildInfo.sha}`, express.static(publicPath, {maxAge: '1y'}));
  } else {
    app.use('/dev', express.static(publicPath, {maxAge: 0}));  // CloudFlare overrides maxAge, and we don't want local development caching.
  }

  app.use(express.static(publicPath, {maxAge: 0}));

  setupProxyMiddleware(app); // TODO: Flatten setup into one function. This doesn't fit its function name.

  try {
    app.use(require('serve-favicon')(path.join(publicPath, 'images', 'favicon', `favicon-${productSuffix}`, 'favicon.ico')));
  } catch (e) {
    console.error(`Error. Couldn't find ${path.join(publicPath, 'images', 'favicon', 'favicon-' + productSuffix)}. It is likely that the ${publicFolderName} folder is not built. Try:\n\n  npm run build\n\nfor an initial build, or\n\n  npm run dev\n\nfor live rebuilding of your front-end changes. If those don't work, make sure you are running the correct version of node and have installed all dependencies with:\n\n  npm install --also=dev\n`);
    process.exit(1);
  }
  app.use(require('cookie-parser')());
  app.use(require('body-parser').json({limit: '25mb', strict: false}));
  app.use(require('body-parser').urlencoded({extended: true, limit: '25mb'}));
  app.use(require('method-override')());
  return app.use(require('cookie-session')({
    key: 'codecombat.sess',
    secret: config.cookie_secret
  })
  );
};

const setupCountryRedirectMiddleware = function(app, country, host) {
  if (country == null) { country = 'china'; }