User Authentication and Authorization in Angular 2 SPA

The links were pointing to Angular 1.x version i guess. I'm looking for implementing the functionalities in Angular 2 and haven't worked on previous versions.

 

Anyways, thanks for your kind response. 

 

Thanks,

Saravanan V 

https://www.sitepoint.com/implementing-authentication-angular-applications/

 

https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec

 

http://witoldsz.github.io/angular-http-auth/

 

http://www.stefanoscerra.it/permission-based-auth-system-in-angularjs/