Add basic auth

package.json

@@ -29,6 +29,7 @@
     "compression": "=1.6.2",
     "connect-static-file": "=1.1.2",
     "express": "=4.14.0",
+    "express-basic-auth": "=0.2.3",
     "express-winston": "=2.1.2",
     "helmet": "=3.4.0",
     "opbeat": "=4.7.0",

src/basic-auth.js

@@ -0,0 +1,17 @@
+const basicAuth = require('express-basic-auth');
+const { BASIC_AUTH_ENABLED } = require('./consts');
+
+function basicAuthHandler(username, password) {
+  return process.env.BASIC_AUTH_USERNAME === username && process.env.BASIC_AUTH_PASSWORD === password;
+}
+
+if (BASIC_AUTH_ENABLED) {
+  module.exports = basicAuth({
+    authorizer: basicAuthHandler,
+    challenge: true
+  });
+} else {
+  module.exports = (req, res, next) => next();
+}
+
+

src/consts.js

@@ -4,5 +4,6 @@ module.exports = {
   SERVE_DIR: IN_TEST ? 'site/' : process.argv[process.argv.length - 1],
   PORT: process.env.PORT || 5000,
   IN_TEST,
-  IN_PRODUCTION: process.env.NODE_ENV === 'production'
+  IN_PRODUCTION: process.env.NODE_ENV === 'production',
+  BASIC_AUTH_ENABLED: process.env.BASIC_AUTH_USERNAME && process.env.BASIC_AUTH_PASSWORD
 };

src/server.js

@@ -3,20 +3,22 @@
 console.log('Starting Server...');
 
 const app = require('express')();
-const utils = require('./consts');
+const consts = require('./consts');
 
 const compression = require('compression');
 const helmet = require('helmet');
 const opbeat = require('opbeat').start({
-  active: utils.IN_PRODUCTION
+  active: consts.IN_PRODUCTION
 });
 
 const logging = require('./logging');
 const staticFiles = require('./static-files');
 const handle404 = require('./404');
+const basicAuth = require('./basic-auth');
 
 // Custom Middleware
 app.use(logging);
+app.use(basicAuth);
 app.use(staticFiles.indexHandle);
 app.use(staticFiles.static);
 app.use(handle404);
@@ -26,7 +28,7 @@ app.use(compression({ level: 9 }));
 app.use(helmet());
 app.use(opbeat.middleware.express());
 
-const server = app.listen(utils.PORT, function () {
+const server = app.listen(consts.PORT, function () {
   console.log('Server started on ' + server.address().port);
 });