Building Applications with Spring 5 and Vue.js 2

Implementing AuthenticationFilter

Spring Security is very flexible and highly customizable. We can replace the built-in implementation with our own implementation easily. We sometimes do not need to write everything from scratch because Spring Security does a very good job at abstraction. For our AuthenticationFilter implementation, we can extend from AbstractAuthenticationProcessingFilter, which is also the base class that the built-in UsernamePasswordAuthenticationFilter extends. 

Since AuthenticationFilter deals with API requests, we will put it inside the com.taskagile.web.apis.authenticate package. Here is how AuthenticationFilter looks:

...public class AuthenticationFilter extends AbstractAuthenticationProcessingFilter {  ... public ...