feathers-authentication-keystone

0.3.0 • Public • Published

feathers-authentication-keystone

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Keystone authentication strategy for feathers-authentication using Passport.

Installation

$ npm install feathers-authentication-keystone --save

Documentation

Please refer to the feathers-authentication-keystone documentation for more details.

Default Options

{
    name: 'keystone', // the name to use when invoking the authentication Strategy
    entity: 'user', // the entity that will be added to the request, socket, and hook.params. (ie. req.user, socket.user, hook.params.user)
    service: 'users', // the service to look up the entity
    passReqToCallback: true, // whether the request object should be passed to `verify`
    authUrl: 'http://<address>:<port>', // keystone endpoint with configured v3 authentication
    usernameField: 'username', // key name of username field
    passwordField: 'password', // key name of password field
    Verifier: Verifier, // A Verifier class. Defaults to the built-in one but can be a custom one. See below for details.
}

Verifier

This is the verification class that receives the users identity (if verification is successful), populates the entity (normally a user) and returns both the entity and the payload. It has the following methods that can all be overridden.

{
    constructor(app, options) // the class constructor
    verify(req, payload, done) // queries the configured service
}

Customizing the Verifier

The Verifier class can be extended so that you customize it's behavior without having to rewrite and test a totally custom local Passport implementation. Although that is always an option if you don't want use this plugin.

An example of customizing the Verifier:

import keystone, { Verifier } from 'feathers-authentication-keystone';
 
class CustomVerifier extends Verifier {
  // The verify function has the exact same inputs and
  // return values as a vanilla passport strategy
  verify(req, payload, done) {
    // do your custom stuff. You can call internal Verifier methods
    // and reference this.app and this.options. This method must be implemented.
    done(null, payload);
  }
}
 
app.configure(keystone({ Verifier: CustomVerifier }));

Complete Example

Here's an example of a Feathers server that uses feathers-authentication-keystone.

const feathers = require('feathers');
const rest = require('feathers-rest');
const hooks = require('feathers-hooks');
const memory = require('feathers-memory');
const bodyParser = require('body-parser');
const errorHandler = require('feathers-errors/handler');
const auth = require('feathers-authentication');
const jwt = require('feathers-authentication-jwt');
const keystone = require('../lib/index');
 
// Initialize the application.
const app = feathers();
 
app.configure(rest())
  .configure(hooks())
  // Needed for parsing bodies (login).
  .use(bodyParser.json())
  .use(bodyParser.urlencoded({ extended: true }))
  // Configure feathers-authentication.
  .configure(auth({ secret: 'super secret' }))
  // Configure authentication by JWT token.
  .configure(jwt())
  // Keystone endpoint, this value should be taken from the config in real application.
  .configure(keystone({ authUrl: 'https://127.0.0.1:5000' }))
  .use('/users', memory())
  .use(errorHandler());
 
app.listen(3030);
 
console.log('Feathers app started on 127.0.0.1:3030');

License

Copyright (c) 2017

Licensed under the MIT license.

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