update remote access example

examples/fshare.js

@@ -1,29 +1,49 @@
 'use strict';
 
 var express = require('express');
-var app = express();
 var basicAuth = require('express-basic-auth');
 var crypto = require('crypto');
-var secret = crypto.randomBytes(16).toString('hex');
 var serveIndex = require('serve-index');
+
 var rootIndex = serveIndex('/', { hidden: true, icons: true, view: 'details' });
 var rootFs = express.static('/', { dotfiles: 'allow', redirect: true, index: false });
+
 var userIndex = serveIndex(require('os').homedir(), { hidden: true, icons: true, view: 'details' });
 var userFs = express.static(require('os').homedir(), { dotfiles: 'allow', redirect: true, index: false });
+
+var app = express();
+var realm = 'Login Required';
+var secret = crypto.randomBytes(16).toString('hex');
+
 var myAuth = basicAuth({
   users: { 'root': secret, 'user': secret }
+, challenge: true
+, realm: realm
+, unauthorizedResponse: function (/*req*/) {
+    return 'Unauthorized <a href="/">Home</a>';
+  }
 });
 
 app.get('/', function (req, res) {
   res.setHeader('Content-Type', 'text/html; charset=utf-8');
-  res.end('<form action=\"/browse\" method=\"get\"><button type=\"submit\">Login to view Files</button></form>');
+  res.end(
+    '<a href="/browse/">View Files</a>'
+  + '&nbsp; | &nbsp;'
+  + '<a href="/logout/">Logout</a>'
+  );
+});
+app.use('/logout', function (req, res) {
+  res.setHeader('Content-Type', 'text/html; charset=utf-8');
+  res.setHeader('WWW-Authenticate', 'Basic realm="' + realm + '"');
+  res.status(401);
+  res.statusCode = 401;
+  //res.setHeader('Location', '/');
+  res.end('Logged out &nbsp; | &nbsp; <a href="/">Home</a>');
 });
 app.use('/browse', function (req, res, next) {
-  console.log('trying to auth browse');
   myAuth(req, res, next);
 });
 app.use('/browse', function (req, res, next) {
-  console.log('trying to get browse', req.url);
   if ('root' === req.auth.user) { rootFs(req, res, function () { rootIndex(req, res, next); }); return; }
   if ('user' === req.auth.user) { userFs(req, res, function () { userIndex(req, res, next); }); return; }
   res.end('Sad Panda');

package.json

@@ -16,7 +16,9 @@
     "redirect-https": "^1.1.5"
   },
   "devDependencies": {
-    "express": "^4.16.3"
+    "express": "^4.16.3",
+    "express-basic-auth": "^1.1.5",
+    "serve-index": "^1.9.1"
   },
   "scripts": {
     "test": "node examples/serve.js"