Modern authentication solutions in Angular 2 with OAuth 2.0 and OpenId Connect

Jul 2, 20164 likes2,777 views

This document provides an overview of modern authentication solutions using OAuth 2.0 and OpenId Connect for authenticating users in Angular applications. It discusses how OAuth 2.0 allows clients to securely delegate user access rights to resources stored on a resource server, and how OpenId Connect extends OAuth 2.0 to provide authentication by defining how to query user profile information from an authorization server. It also covers how to implement guards in Angular to protect routes and components by controlling activation and deactivation based on authentication status. Code examples and a demo are provided.

1
Modern authentication solutions with OAuth 2.0,
OpenId Connect and Angular
Manfred Steyer
ManfredSteyer
About me …
 Manfred Steyer
 SOFTWAREarchitekt.at
 Trainer & Consultant
 Focus: Angular
Page  3
Manfred Steyer

2
Contents
Motivation
Overview of OAuth 2.0
Overview of OpenId Connect
DEMO
Guards in the newest new Router
DEMO
Folie 6
MOTIVATION
Page  7

3
One User - (too) many User-Accounts
Folie 8
One Client - (too) many User-Accounts
Folie 9

4
OVERVIEW OF OAUTH 2.0
Page  10
What is OAuth?
Developed at Twitter and Ma.gnolia
Standard for the delegation of (restricted) rights
Used by companies like Google, Facebook, Flickr,
Microsoft, Salesforce.com and Yahoo!
Folie 11

5
Roles
Folie 12
Client
Authorization-Server
Resource-ServerUser
(Resource-Owner)
Roles
Folie 13
Client
Authorization-Server
Resource-ServerUser
(Resource-Owner)
Registered with
client_id,
client_secret,
redirect_uri Registered with
Credentials

6
High-Level-View
Folie 14
Client
Authorization-Server
Resource-Server
1. Redirection
2. Redirection
3. Access-Token
Details depend on flow Central User-Accounts
Only Auth-Server gets pwd.
Access-Token
Auth is decoupled
Token: Flexibility
No Cookie: No CSRF
AUTHENTICATION
Page  39

8
DEMO
Page  50
PROTECTING ROUTES
WITH GUARDS
Page  52

9
What are Guards?
Services
Can get other services via DI
Router triggers Guards before activating/
deactivating Components
Can prevent activation/ deactivation
Page  53
Guards
CanActivate canActivate
CanDeactivate<T> canDeactivate
Result: boolean | Observable<boolean>

$10 Configuring Guards Page  55 const APP_ROUTES: RouterConfig = [ { path: '/flug-buchen', component: FlugBuchenComponent, canActivate: [AuthGuard], children: [ { path: 'flug-edit/:id', component: FlugEditComponent, canDeactivate: [FlightEditGuard] }, […] ] ] Token Provider for Guards Page  56 export const APP_ROUTER_PROVIDER = [ provideRouter(APP_ROUTES), { provide: FlightEditGuard, useClass: FlightEditGuard }, { provide: AuthGuard, useClass: AuthGuard } ];$

11
Provider for Guards
Page  57
export const APP_ROUTER_PROVIDER = [
provideRouter(APP_ROUTES),
FlightEditGuard,
AuthGuard
];
DEMO
Page  58

12
Conclusion
OAuth 2.0: Delegating rights
Implicit Grant for SPA
OpenId Connect: Authentication with OAuth 2.0
Central User-Accounts
Only Auth-Server gets password
Folie 59
manfred.steyer@softwarearchitekt.at
ManfredSteyer
www.softwarearchitekt.at
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