server/app.js

   1 const createError = require('http-errors');
   2 const express = require('express');
   3 const path = require('path');
   4 const cookieParser = require('cookie-parser');
   5 const logger = require('morgan');
   6 const favicon = require('serve-favicon');
   7 const params = require('./config/parameters');
   8
   9 let app = express();
  10
  11 app.use(favicon(path.join(__dirname, "static", "favicon.ico")));
  12
  13 if (app.get('env') === 'development')
  14   // Full logging in development mode
  15   app.use(logger('dev'));
  16 else {
  17   // http://dev.rdybarra.com/2016/06/23/Production-Logging-With-Morgan-In-Express/
  18   app.set('trust proxy', true);
  19   // In prod, only log error responses (https://github.com/expressjs/morgan)
  20   app.use(logger('combined', {
  21     skip: function (req, res) { return res.statusCode < 400 }
  22   }));
  23 }
  24
  25 app.use(express.json());
  26 app.use(express.urlencoded({ extended: false }));
  27 app.use(cookieParser());
  28 // Client "prod" files:
  29 app.use(express.static(path.join(__dirname, 'static')));
  30 // Update in progress:
  31 app.use(express.static(path.join(__dirname, 'fallback')));
  32
  33 // In development stage the client side has its own server
  34 if (params.cors.enable) {
  35   app.use(function(req, res, next) {
  36     res.header("Access-Control-Allow-Origin", params.cors.allowedOrigin);
  37     res.header("Access-Control-Allow-Credentials", true); //for cookies
  38     res.header(
  39       "Access-Control-Allow-Headers",
  40       "Origin, X-Requested-With, Content-Type, Accept"
  41     );
  42     res.header(
  43       "Access-Control-Allow-Methods",
  44       "GET, POST, OPTIONS, PUT, DELETE"
  45     );
  46     next();
  47   });
  48 }
  49
  50 // Routing (AJAX-only)
  51 const routes = require(path.join(__dirname, "routes", "all"));
  52 app.use('/', routes);
  53
  54 // Catch 404 and forward to error handler
  55 app.use(function(req, res, next) {
  56   next(createError(404));
  57 });
  58
  59 // Error handler
  60 app.use(function(err, req, res, next) {
  61   res.status(err.status || 500);
  62   if (app.get('env') === 'development') console.log(err.stack);
  63   res.send(
  64     "<h1>" + err.message + "</h1>" +
  65     "<h2>" + err.status + "</h2>"
  66   );
  67 });
  68
  69 module.exports = app;