WebSecurityConfig.java

package apap.tutorial.manpromanpro.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;


@Configuration
@EnableWebSecurity
public class WebSecurityConfig {

	@Autowired
    private UserDetailsService userDetailsService;

    @Bean
    public SecurityFilterChain webFilterChain(HttpSecurity http) throws Exception{
        http.csrf(Customizer.withDefaults())
            .authorizeHttpRequests (requests -> requests
                .requestMatchers (new AntPathRequestMatcher("/css/**")).permitAll() 
                .requestMatchers (new AntPathRequestMatcher("/js/**")).permitAll()
                .anyRequest().authenticated()
            )   
            .formLogin((form) -> form
                .loginPage("/login")
                .permitAll()
                .defaultSuccessUrl("/")
            )
            .logout((logout) -> logout.logoutRequestMatcher(new AntPathRequestMatcher( "/logout")) 
                    .logoutSuccessUrl("/login"));

        return http.build();
    }

    @Bean
    public BCryptPasswordEncoder encoder(){
        return new BCryptPasswordEncoder();
    }   

    @Autowired
    public void configAuthentication(AuthenticationManagerBuilder auth) throws Exception{
        auth.userDetailsService(userDetailsService).passwordEncoder(encoder());
    }
}