Implementing Facebook login

If you have tried surfing recent web apps, you will definitely be able to recognize the famous Sign in with Facebook. It is a really lovely, easy, and fast way to authenticate a user nowadays. We can bring all the basic metadata such as full name, image, email address, and basic information directly from the Facebook servers.

In this recipe, we're going to see how we can implement the Facebook login functionality in our application.

Getting ready 

Before starting, we'll need to create a Facebook app. To do so, please head directly to the Facebook Developer platform at https://developers.facebook.com. You will see a dashboard, as shown in the following screenshot:

Figure 4: Facebook...