codecombat/server_setup.js

// Generated by CoffeeScript 1.10.0
(function() {
  var Mandate, Promise, UserHandler, auth, authentication, baseRoute, compressible, config, database, developmentLogging, errors, express, fs, geoip, log, logging, path, perfmon, productionLogging, request, routes, setupCountryRedirectMiddleware, setupErrorMiddleware, setupExpressMiddleware, setupFacebookCrossDomainCommunicationRoute, setupFallbackRouteToIndex, setupJavascript404s, setupMiddlewareToSendOldBrowserWarningWhenPlayersViewLevelDirectly, setupOneSecondDelayMiddleware, setupPassportMiddleware, setupPerfMonMiddleware, setupRedirectMiddleware, slack, user, useragent;

  express = require('express');

  path = require('path');

  authentication = require('passport');

  useragent = require('express-useragent');

  fs = require('graceful-fs');

  log = require('winston');

  compressible = require('compressible');

  geoip = require('geoip-lite');

  database = require('./server/commons/database');

  perfmon = require('./server/commons/perfmon');

  baseRoute = require('./server/routes/base');

  user = require('./server/users/user_handler');

  logging = require('./server/commons/logging');

  config = require('./server_config');

  auth = require('./server/routes/auth');

  routes = require('./server/routes');

  UserHandler = require('./server/users/user_handler');

  slack = require('./server/slack');

  Mandate = require('./server/models/Mandate');

  global.tv4 = require('tv4');

  global.jsondiffpatch = require('jsondiffpatch');

  global.stripe = require('stripe')(config.stripe.secretKey);

  errors = require('./server/commons/errors');

  request = require('request');

  Promise = require('bluebird');

  Promise.promisifyAll(request, {
    multiArgs: true
  });

  productionLogging = function(tokens, req, res) {
    var color, elapsed, elapsedColor, status;
    status = res.statusCode;
    color = 32;
    if (status >= 500) {
      color = 31;
    } else if (status >= 400) {
      color = 33;
    } else if (status >= 300) {
      color = 36;
    }
    elapsed = (new Date()) - req._startTime;
    elapsedColor = elapsed < 500 ? 90 : 31;
    if (status === 404 && /\/feedback/.test(req.originalUrl)) {
      return null;
    }
    if ((status !== 200 && status !== 201 && status !== 204 && status !== 304 && status !== 302) || elapsed > 500) {
      return "\x1b[90m" + req.method + " " + req.originalUrl + " \x1b[" + color + "m" + res.statusCode + " \x1b[" + elapsedColor + "m" + elapsed + "ms\x1b[0m";
    }
    return null;
  };

  developmentLogging = function(tokens, req, res) {
    var color, elapsed, elapsedColor, status;
    status = res.statusCode;
    color = 32;
    if (status >= 500) {
      color = 31;
    } else if (status >= 400) {
      color = 33;
    } else if (status >= 300) {
      color = 36;
    }
    elapsed = (new Date()) - req._startTime;
    elapsedColor = elapsed < 500 ? 90 : 31;
    return "\x1b[90m" + req.method + " " + req.originalUrl + " \x1b[" + color + "m" + res.statusCode + " \x1b[" + elapsedColor + "m" + elapsed + "ms\x1b[0m";
  };

  setupErrorMiddleware = function(app) {
    return app.use(function(err, req, res, next) {
      var message, ref, ref1;
      if (err) {
        if (err.name === 'MongoError' && err.code === 11000) {
          err = new errors.Conflict('MongoDB conflict error.');
        }
        if (err.code === 422 && err.response) {
          err = new errors.UnprocessableEntity(err.response);
        }
        if (err.code === 409 && err.response) {
          err = new errors.Conflict(err.response);
        }
        if (err instanceof errors.NetworkError) {
          return res.status(err.code).send(err.toJSON());
        }
        if (err.status && (400 <= (ref = err.status) && ref < 500)) {
          res.status(err.status).send("Error " + err.status);
          return;
        }
        res.status((ref1 = err.status) != null ? ref1 : 500).send({
          error: "Something went wrong!"
        });
        message = "Express error: " + req.method + " " + req.path + ": " + err.message;
        log.error(message + ", stack: " + err.stack);
        return slack.sendSlackMessage(message, ['ops'], {
          papertrail: true
        });
      } else {
        return next(err);
      }
    });
  };

  setupExpressMiddleware = function(app) {
    if (config.isProduction) {
      express.logger.format('prod', productionLogging);
      app.use(express.logger('prod'));
      app.use(express.compress({
        filter: function(req, res) {
          if (req.headers.host === 'codecombat.com') {
            return false;
          }
          return compressible(res.getHeader('Content-Type'));
        }
      }));
    } else {
      express.logger.format('dev', developmentLogging);
      app.use(express.logger('dev'));
    }
    app.use(express["static"](path.join(__dirname, 'public'), {
      maxAge: 0
    }));
    app.use(useragent.express());
    app.use(express.favicon());
    app.use(express.cookieParser());
    app.use(express.bodyParser());
    app.use(express.methodOverride());
    return app.use(express.cookieSession({
      key: 'codecombat.sess',
      secret: config.cookie_secret
    }));
  };

  setupPassportMiddleware = function(app) {
    app.use(authentication.initialize());
    if (config.picoCTF) {
      app.use(authentication.authenticate('local', {
        failureRedirect: config.picoCTF_login_URL
      }));
      return require('./server/lib/picoctf').init(app);
    } else {
      return app.use(authentication.session());
    }
  };

  setupCountryRedirectMiddleware = function(app, country, countryCode, languageCode, serverID) {
    var shouldRedirectToCountryServer;
    if (country == null) {
      country = "china";
    }
    if (countryCode == null) {
      countryCode = "CN";
    }
    if (languageCode == null) {
      languageCode = "zh";
    }
    if (serverID == null) {
      serverID = "tokyo";
    }
    shouldRedirectToCountryServer = function(req) {
      var geo, ip, speaksLanguage;
      speaksLanguage = _.any(req.acceptedLanguages, function(language) {
        return language.indexOf(languageCode !== -1);
      });
      if (!config[serverID]) {
        ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
        ip = ip != null ? ip.split(/,? /)[0] : void 0;
        geo = geoip.lookup(ip);
        return (geo != null ? geo.country : void 0) === countryCode && speaksLanguage;
      } else {
        if (speaksLanguage) {
          req.country = country;
        }
        return false;
      }
    };
    return app.use(function(req, res, next) {
      if (shouldRedirectToCountryServer(req)) {
        res.writeHead(302, {
          "Location": config[country + 'Domain'] + req.url
        });
        return res.end();
      } else {
        return next();
      }
    });
  };

  setupOneSecondDelayMiddleware = function(app) {
    if (config.slow_down) {
      return app.use(function(req, res, next) {
        return setTimeout((function() {
          return next();
        }), 1000);
      });
    }
  };

  setupMiddlewareToSendOldBrowserWarningWhenPlayersViewLevelDirectly = function(app) {
    var isOldBrowser;
    isOldBrowser = function(req) {
      var b, ref, ua, v;
      if (!(ua = req.useragent)) {
        return false;
      }
      if (ua.isiPad || ua.isiPod || ua.isiPhone || ua.isOpera) {
        return true;
      }
      if (!(ua && ((ref = ua.Browser) === 'Chrome' || ref === 'Safari' || ref === 'Firefox' || ref === 'IE') && ua.Version)) {
        return false;
      }
      b = ua.Browser;
      v = parseInt(ua.Version.split('.')[0], 10);
      if (b === 'Chrome' && v < 17) {
        return true;
      }
      if (b === 'Safari' && v < 6) {
        return true;
      }
      if (b === 'Firefox' && v < 21) {
        return true;
      }
      if (b === 'IE' && v < 10) {
        return true;
      }
      return false;
    };
    return app.use('/play/', function(req, res, next) {
      if (req.query['try-old-browser-anyway'] || !isOldBrowser(req)) {
        return next();
      }
      return res.sendfile(path.join(__dirname, 'public', 'index_old_browser.html'));
    });
  };

  setupRedirectMiddleware = function(app) {
    return app.all('/account/profile/*', function(req, res, next) {
      var nameOrID;
      nameOrID = req.path.split('/')[3];
      return res.redirect(301, "/user/" + nameOrID + "/profile");
    });
  };

  setupPerfMonMiddleware = function(app) {
    return app.use(perfmon.middleware);
  };

  exports.setupMiddleware = function(app) {
    setupPerfMonMiddleware(app);
    setupCountryRedirectMiddleware(app, "china", "CN", "zh", "tokyo");
    setupCountryRedirectMiddleware(app, "brazil", "BR", "pt-BR", "saoPaulo");
    setupMiddlewareToSendOldBrowserWarningWhenPlayersViewLevelDirectly(app);
    setupExpressMiddleware(app);
    setupPassportMiddleware(app);
    setupOneSecondDelayMiddleware(app);
    setupRedirectMiddleware(app);
    setupErrorMiddleware(app);
    return setupJavascript404s(app);
  };


  /*Routing function implementations */

  setupJavascript404s = function(app) {
    return app.get('/javascripts/*', function(req, res) {
      return res.status(404).send('Not found');
    });
  };

  setupFallbackRouteToIndex = function(app) {
    return app.all('*', function(req, res) {
      return fs.readFile(path.join(__dirname, 'public', 'main.html'), 'utf8', function(err, data) {
        if (err) {
          log.error("Error modifying main.html: " + err);
        }
        user = req.user ? JSON.stringify(UserHandler.formatEntity(req, req.user)).replace(/\//g, '\\/') : '{}';
        return Mandate.findOne({}).cache(5 * 60 * 1000).exec(function(err, mandate) {
          var configData;
          if (err) {
            log.error("Error getting mandate config: " + err);
            configData = {};
          } else {
            configData = _.omit((mandate != null ? mandate.toObject() : void 0) || {}, '_id');
          }
          configData.picoCTF = config.picoCTF;
          configData.production = config.isProduction;
          data = data.replace('"serverConfigTag"', JSON.stringify(configData));
          data = data.replace('"userObjectTag"', user);
          data = data.replace('"amActuallyTag"', JSON.stringify(req.session.amActually));
          res.header('Cache-Control', 'no-cache, no-store, must-revalidate');
          res.header('Pragma', 'no-cache');
          res.header('Expires', 0);
          return res.send(200, data);
        });
      });
    });
  };

  setupFacebookCrossDomainCommunicationRoute = function(app) {
    return app.get('/channel.html', function(req, res) {
      return res.sendfile(path.join(__dirname, 'public', 'channel.html'));
    });
  };

  exports.setupRoutes = function(app) {
    routes.setup(app);
    app.use(app.router);
    baseRoute.setup(app);
    setupFacebookCrossDomainCommunicationRoute(app);
    return setupFallbackRouteToIndex(app);
  };


  /*Miscellaneous configuration functions */

  exports.setupLogging = function() {
    return logging.setup();
  };

  exports.connectToDatabase = function() {
    return database.connect();
  };

  exports.setupMailchimp = function() {
    var mc, mcapi;
    mcapi = require('mailchimp-api');
    mc = new mcapi.Mailchimp(config.mail.mailchimpAPIKey);
    return GLOBAL.mc = mc;
  };

  exports.setExpressConfigurationOptions = function(app) {
    app.set('port', config.port);
    app.set('views', __dirname + '/app/views');
    app.set('view engine', 'jade');
    app.set('view options', {
      layout: false
    });
    app.set('env', config.isProduction ? 'production' : 'development');
    if (config.isProduction) {
      return app.set('json spaces', 0);
    }
  };

}).call(this);