authentic
Authentication for microservices.
Last updated 5 years ago by dguttman .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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Authentic

Authentication for microservices. This is collection of the following modules:

What is it?

Authentic is a collection of modules to help your various services authenticate a user. Put more concretely, Authentic does the following:

  • Allow your users to "sign up", "confirm", "log in", and "change password" with their email address and a chosen password (persisted to a db of your choice), and provide an authentication token (JWT) on successful log in.
  • Easily protect access to your microservice by decrypting a user's authentication token.
  • Help make requests from the browser to authentic-server for sign up/confirm/login/password reset, as well as automatically including the authentication token in requests to your microservices.

Example

Let's pretend you work at ScaleHaus (Uber meets Airbnb for lizards). You have a web app at admin.scalehaus.io (client-side SPA) that is an interface to various microservices (like reporting.scalehaus.io). You want to make sure that only employees with a @scalehaus.io email address have access to your app and microservices. Here's how you can do it:

  1. Create an authentication server with authentic-server available at auth.scalehaus.io.

  2. Add views to admin.scalehaus.io for signup/confirm/login/reset-password and use authentic-client for those actions and for requests to your microservices.

  3. In your microservice(s), e.g. reports.scalehaus.io, use authentic-service to decrypt the authentication token provided in the request and verify the user's identity and that their email ends in @scalehaus.io.

Installation

It's best to install each module individually in the project that needs it. In theory, you could have a single project that needs to be the server, client, and service -- in that case feel free to npm install --save authentic. Otherwise use npm install --save authentic-server, npm install --save authentic-service, or npm install --save authentic-client depending on your project.

In Action

Authentic Server

var fs = require('fs')
var http = require('http')
var Authentic = require('authentic').server

var auth = Authentic({
  db: './userdb',
  publicKey: fs.readFileSync('/rsa-public.pem'),
  privateKey: fs.readFileSync('/rsa-private.pem'),
  sendEmail: function (email, cb) {
    // send the email however you'd like and call cb()
  }
})

http.createServer(auth).listen(1337)
console.log('Authentic Server listening on port', 1337)

Microservice


var http = require('http')
var Authentic = require('authentic').service

var auth = Authentic({
  server: 'https://auth.scalehaus.io'
})

http.createServer(function (req, res) {
  // Step 1: decrypt the token
  auth(req, res, function (err, authData) {
    if (err) return console.error(err)

    // Step 2: if we get an email and it's one we like, let them in!
    if (authData && authData.email.match(/@scalehaus\.io$/)) {
      res.writeHead(200)
      res.end('You\'re in!')

    // otherwise, keep them out!
    } else {
      res.writeHead(403)
      res.end('Nope.')
    }
  })
}).listen(1338)

console.log('Protected microservice listening on port', 1338)

Client Login

var Authentic = require('authentic').client

var auth = Authentic({
  server: 'https://auth.scalehaus.io'
})

var creds = {
  email: 'chet@scalehaus.io',
  password: 'notswordfish'
}

// Step 1: log in
auth.login(creds, function (err) {
  if (err) return console.error(err)

  // Step 2: make a JSON request with authentication
  var url = 'https://reporting.scalehaus.io/report'
  auth.get(url, function (err, data) {
    if (err) return console.error(err)

    // show that report
    console.log(data)
  })
})

License

MIT

Current Tags

  • 0.0.3                                ...           latest (5 years ago)

4 Versions

  • 0.0.3                                ...           5 years ago
  • 0.0.2                                ...           5 years ago
  • 0.0.1                                ...           5 years ago
  • 0.0.0                                ...           5 years ago
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