Add optional basic authentication in auth-mock

lib/units/auth/mock.js

@@ -7,6 +7,7 @@ var bodyParser = require('body-parser')
 var serveStatic = require('serve-static')
 var csrf = require('csurf')
 var Promise = require('bluebird')
+var basicAuth = require('basic-auth')
 
 var logger = require('../../util/logger')
 var requtil = require('../../util/requtil')
@@ -28,6 +29,27 @@ module.exports = function(options) {
       })
   })
 
+  // BasicAuth Middleware
+  var basicAuthMiddleware = function(req, res, next) {
+    function unauthorized(res) {
+      res.set('WWW-Authenticate', 'Basic realm=Authorization Required')
+      return res.send(401)
+    }
+
+    var user = basicAuth(req)
+
+    if (!user || !user.name || !user.pass) {
+      return unauthorized(res)
+    }
+
+    if (user.name === options.mock.basicAuth.username &&
+        user.pass === options.mock.basicAuth.password) {
+      return next()
+    } else {
+      return unauthorized(res)
+    }
+  }
+
   app.set('view engine', 'jade')
   app.set('views', pathutil.resource('auth/mock/views'))
   app.set('strict routing', true)
@@ -49,6 +71,10 @@ module.exports = function(options) {
     next()
   })
 
+  if (options.mock.useBasicAuth) {
+    app.use(basicAuthMiddleware)
+  }
+
   app.get('/', function(req, res) {
     res.redirect('/auth/mock/')
   })