SecurityConfig.java

package net.codejava;

import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
// 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.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.http.HttpMethod;


@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private UserDetailsService userDetailsService;

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf().disable()
            .authorizeRequests()
                .antMatchers("/login").permitAll()
                .antMatchers(HttpMethod.POST, "/import").permitAll()
                // .anyRequest().permitAll()
                .anyRequest().authenticated()
                .and()
            .formLogin()
                // .loginPage("/login")
                // .loginProcessingUrl("/login") // This should match the form action in your login.html file
                .usernameParameter("username")
                .passwordParameter("password")
                .defaultSuccessUrl("/", true) // This is the URL to redirect to after a successful login
                .failureUrl("/login?error=true")
                .permitAll()
                .and()
            .logout()
                .logoutUrl("/logout") // This is the URL to send the user to once they have logged out
                .invalidateHttpSession(true)
                .permitAll();
    }

    @Bean
    public AuthenticationManager customAuthenticationManager() throws Exception {
        return authenticationManager();
    }

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