In this post, we are going to use Route Guards to determine which user can and can not access certain pages. It is common to have multiple user roles such as guest, author, editor, admin for a blogging site such as this one. Therefore, it is …

In this post, we are going to build a http interceptor for refreshing authorization tokens once expired. The idea here is to be able to intercept http requests, attach an authorization header to the request. And to intercept http response, check for …

A few weeks ago, I demonstrated how to implement Sign in with Facebook with a REST API. Today, I will show you how to Sign-in with Google in Angular 5 with a REST API involved. We will use PHP at the backend, but this will work with any backend …

Today, I am going to show you how to create an Angular App with a REST API that uses Facebook Login to sign in/up users. For this application, we are going to be using PHP in our backend, but this can work with any Framework or Language for the …

Token based authentication is popular for single page applications. A token is a security code issued by a server for authenticating and identifying users. When a user login to the system or application, the servers issues a token that expires after …