• Authentication
  • AuthenticationManager
  • AuthenticationProvider
  • UserDetailsService
  • PasswordEncoder
• Authorization
  • GrantedAuthority
  • Authentication
  • SecurityContextHolder
• Filters
  • FilterChainProxy
  • SecurityFilters
• Additional Components
  • SecurityContext
  • Remember-Me Functionality

This interface is the central component responsible for user authentication. It delegates the task to one or more AuthenticationProvider.

• Flow
  • The AuthenticationManager acts as a gatekeeper, ensuring only authorized users can access protected resources in your application.
  • It receives an Authentication object containing the user's credentials (typically username and password) as input.
  • It delegates the authentication task to one or more AuthenticationProviders configured within the AuthenticationManager.