how to get current windows user from express? - node.js

Question

Hi I am new to Nodejs and express framework.
I am implementing a simple CRUD application, and users are expecting to visit the page from MS windows. I wish to log down the current windows user name.
I've tried logging the User-Agent string on the page, and it seems User-Agent does not contain the windows user name. Is this true? and what is the right way to implement this?
res.render('search', {user: req.get('User-Agent')});
Then in jade,
body
p welcome, #{user}!
Here is what i got:
Welcome, Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36!

Answer 1

The User-Agent doesn't include the windows username. Have a look at Wikipedia for further information.
A possible solution to your problem may be a NTLM Authentication. To add this install and optionally save express-ntlm as a dependency:
npm install express-ntlm [--save]
Then require and add it as a middleware to express:
var ntlm = require('express-ntlm');
app.use(ntlm());
You will then be able to use the UserName in jade:
body
p welcome, #{ntlm.UserName}!
In case you want to do a real NTLM Authentication and validate the credentials using an Active Directory you can do this as well:
app.use(ntlm({
domain: 'MYDOMAIN',
domaincontroller: 'ldap://myad.example',
}));