simple-lock
Ember-simple-auth addon for Auth0 + Lock.js
Last updated 5 years ago by brancusi .
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Simple-Lock

An ember-cli addon for using Auth0 with Ember Simple Auth.

Auth0's lock widget, is a nice way to get a fully functional signup and login workflow into your app.

What does it do?

  • it wires up Auth0's Lock.js to work with ember simple auth.
  • it lets you work with ember simple auth just like you normally do!

Installation and Setup

Auth0

If you don't already have an account, go signup at for free: Auth0

  1. Create a new app through your dashboard.
  2. Done!

Install ember and simple-lock using ember-cli

Simple Lock requires at least Ember CLI 0.2.7 or higher

ember new hello-safe-world
cd hello-safe-world
ember install simple-lock

If you want to get up and running right away, you can scaffold all the neccesary routes with to play with:

ember generate scaffold-lock

Configuration

There are two configuration options.

  1. (REQUIRED) - clientID - Grab from your Auth0 Dashboard
  2. (REQUIRED) - domain - Grab from your Auth0 Dashboard

The below simple-auth config object works out the box with the scaffold

// config/environment.js
ENV['simple-auth'] = {
  authenticationRoute: 'index',
  routeAfterAuthentication: 'protected',
  routeIfAlreadyAuthenticated: 'protected'
}

ENV['simple-lock'] = {
  clientID: "auth0_client_id",
  domain: "auth0_domain"
}

At this point if you ran scaffold-lock, you can fire up ember server:

ember server

The below steps will outline the steps to get up and running with the scaffolding:

Suggested security config

// config/environment.js

ENV['contentSecurityPolicy'] = {
    'font-src': "'self' data: https://*.auth0.com",
    'style-src': "'self' 'unsafe-inline'",
    'script-src': "'self' 'unsafe-eval' https://*.auth0.com",
    'img-src': '*.gravatar.com *.wp.com data:',
    'connect-src': "'self' http://localhost:* https://your-app-domain.auth0.com"
  };

Caveats

  1. Because ember simple auth listens for local storage changes, updates in one tab will trigger token refreshes in all open tabs of the same domain. This is not critical for long lived JWTs but will be noticable if there are several tabs of the app running on the same browser with very short lived JWTs. I'm open to suggestions on getting around this.

Manual Setup

Simple Lock is just a regular authorizer that conforms to the Ember Simple Auth interface. Please follow the docs to get everything working as usual, and just add the call to the simple-auth-authenticator:lock authorizer in your authenticate call.

Actions

Once the standard Ember Simple Auth application_route_mixin is added to your app route, you will be able to use all the usual actions: Docs

Here is an example application route:

// app/routes/application.js

import Ember from 'ember';
import ApplicationRouteMixin from 'simple-auth/mixins/application-route-mixin';

export default Ember.Route.extend(ApplicationRouteMixin, {
  actions: {
    sessionRequiresAuthentication: function(){
      // Check out the docs for all the options: 
      // https://auth0.com/docs/libraries/lock/customization
      
      // These options will request a refresh token and launch lock.js in popup mode by default
      var lockOptions = {authParams:{scope: 'openid offline_access'}};

      this.get('session').authenticate('simple-auth-authenticator:lock', lockOptions);
    }
  }
});

Then from your template you could trigger the usual actions:

// app/templates/application.hbs

{{#if session.isAuthenticated}}
  <a {{ action 'invalidateSession' }}>Logout</a>
{{else}}
  <a {{ action 'sessionRequiresAuthentication' }}>Login</a>
{{/if}}

Custom Authorizers

You can easily extend the Simple Lock base authorizer to play hooky with some cool hooks.

Here's how:

ember generate authenticator my-dope-authenticator

This will create the following stub authenticator:

// app/authorizers/my-dope-authenticator.js

import Base from 'simple-lock/authenticators/lock';

export default Base.extend({

  /**
   * Hook that gets called after the jwt has expired
   * but before we notify the rest of the system.
   * Great place to add cleanup to expire any third-party
   * tokens or other cleanup.
   *
   * IMPORTANT: You must return a promise, else logout
   * will not continue.
   * 
   * @return {Promise}
   */
  beforeExpire: function(){
    return Ember.RSVP.resolve();
  },

  /**
   * Hook that gets called after Auth0 successfully
   * authenticates the user.
   * Great place to make additional calls to other
   * services, custom db, firebase, etc. then
   * decorate the session object and pass it along.
   *
   * IMPORTANT: You must return a promise with the 
   * session data.
   * 
   * @param  {Object} data Session object
   * @return {Promise}     Promise with decorated session object
   */
  afterAuth: function(data){
    return Ember.RSVP.resolve(data);
  },

  /**
   * Hook called after auth0 refreshes the jwt
   * based on the refreshToken.
   *
   * This only fires if lock.js was passed in
   * the offline_mode scope params
   *
   * IMPORTANT: You must return a promise with the 
   * session data.
   * 
   * @param  {Object} data The new jwt
   * @return {Promise}     The decorated session object
   */
  afterRestore: function(data){
    return Ember.RSVP.resolve(data);
  },

  /**
   * Hook that gets called after Auth0 successfully
   * refreshes the jwt if (refresh token is enabled).
   * 
   * Great place to make additional calls to other
   * services, custom db, firebase, etc. then
   * decorate the session object and pass it along.
   *
   * IMPORTANT: You must return a promise with the 
   * session data.
   * 
   * @param  {Object} data Session object
   * @return {Promise}     Promise with decorated session object
   */
  afterRefresh: function(data){
    return Ember.RSVP.resolve(data);
  }

});

Once you've made your custom authenticator. Just do the following in your app route:

import Ember from 'ember';
import ApplicationRouteMixin from 'simple-auth/mixins/application-route-mixin';

export default Ember.Route.extend(ApplicationRouteMixin, {
  actions: {
    sessionRequiresAuthentication: function(){
      // Check out the docs for all the options: 
      // https://auth0.com/docs/libraries/lock/customization
      
      var lockOptions = {authParams:{scope: 'openid offline_access'}};
      this.get('session').authenticate('simple-auth-authenticator:my-dope-authenticator', lockOptions);
    }
  }
});

Enjoy!

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