Настройка spring boot security

package ldapauthproject.security;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.ldap.core.support.LdapContextSource;
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.web.authentication.AuthenticationFailureHandler;
 
@Configuration
@EnableWebSecurity
public class AppSecurityConfig extends WebSecurityConfigurerAdapter {
 
 
    private final AuthenticationFailureHandler authenticationFailureEventListener;
 
    @Autowired
    public AppSecurityConfig(AuthenticationFailureHandler authenticationFailureEventListener) {
        this.authenticationFailureEventListener = authenticationFailureEventListener;
    }
 
 
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
                .antMatchers("/login**").permitAll()
                .antMatchers("/").fullyAuthenticated()
 
                .and()
                .formLogin()
                .loginPage("/login")
                .failureHandler(authenticationFailureEventListener)
                .failureUrl("/login?error")
                .permitAll()
 
                .and()
                .logout()
                .invalidateHttpSession(true)
                .deleteCookies("JSESSIONID")
                .permitAll();
    }
 
    @Override
    protected void configure(AuthenticationManagerBuilder authManagerBuilder) throws Exception {
        authManagerBuilder
                .ldapAuthentication()
                .userSearchFilter("(sAMAccountName={0})")
                .userSearchBase("OU=All Users")
                .groupSearchBase("ou=groups")
                .contextSource(contextSource());
 
    }
 
    @Bean
    @ConfigurationProperties(prefix = "ldap")
    public LdapContextSource contextSource() {
        return new LdapContextSource();
    }
 
}