package org.oxerr.spring.security.guest.samples.helloworld;
   
   import org.apache.logging.log4j.LogManager;
   import org.apache.logging.log4j.Logger;
   import org.oxerr.spring.security.guest.authentication.GuestAuthenticationToken;
   import org.oxerr.spring.security.guest.core.userdetails.GuestUserDetailsService;
   import org.springframework.boot.SpringApplication;
   import org.springframework.boot.autoconfigure.SpringBootApplication;
   import org.springframework.boot.web.servlet.FilterRegistrationBean;
  import org.springframework.context.annotation.Bean;
  import org.springframework.core.Ordered;
  import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
  import org.springframework.security.core.authority.AuthorityUtils;
  import org.springframework.security.core.userdetails.User;
  import org.springframework.security.core.userdetails.UserDetails;
  import org.springframework.session.web.http.HeaderHttpSessionStrategy;
  import org.springframework.session.web.http.HttpSessionStrategy;
  import org.springframework.web.filter.CommonsRequestLoggingFilter;
  
  @SpringBootApplication
  @EnableGlobalMethodSecurity(jsr250Enabled = true)
  public class Application {
  
  	private final Logger log = LogManager.getLogger();
  
  	/**
  	 * Writes the request URI (and optionally the query string) to the Commons Log.
  	 *
  	 * @return the filter registration bean for the {@link CommonsRequestLoggingFilter}.
  	 */
  	@Bean
  	public FilterRegistrationBean<CommonsRequestLoggingFilter> commonsRequestLoggingFilterRegistrationBean() {
  		FilterRegistrationBean<CommonsRequestLoggingFilter> registrationBean = new FilterRegistrationBean<>();
  		CommonsRequestLoggingFilter requestLoggingFilter = new CommonsRequestLoggingFilter();
  		registrationBean.setFilter(requestLoggingFilter);
  		registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE);
  		return registrationBean;
  	}
  
  	@Bean
  	public HttpSessionStrategy httpSessionStrategy() {
  		return new HeaderHttpSessionStrategy();
  	}
  
  	@Bean
  	public GuestUserDetailsService guestUserDetailsService() {
  		return new GuestUserDetailsService() {
  
  			@Override
  			public UserDetails loadUser(GuestAuthenticationToken guestAuthenticationToken) {
  				String clientToken = (String) guestAuthenticationToken.getPrincipal();
  				log.debug("Loading user for {}", clientToken);
  				return new User("guest " + clientToken, "", AuthorityUtils.createAuthorityList("ROLE_GUEST"));
  			}
  
  		};
  	}
  
  	public static void main(String[] args) {
  		SpringApplication.run(Application.class, args);
  	}
  
  }