TotpAuthenticationConfigurer.java

package ch.rasc.sec.security;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.userdetails.UserDetailsAwareConfigurer;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;

public class TotpAuthenticationConfigurer extends
		UserDetailsAwareConfigurer<AuthenticationManagerBuilder, UserDetailsService> {

	private TotpAuthenticationProvider provider = new TotpAuthenticationProvider();

	private final UserDetailsService userDetailsService;

	protected TotpAuthenticationConfigurer(UserDetailsService userDetailsService) {
		this.userDetailsService = userDetailsService;
		this.provider.setUserDetailsService(userDetailsService);
	}

	public TotpAuthenticationConfigurer passwordEncoder(PasswordEncoder passwordEncoder) {
		this.provider.setPasswordEncoder(passwordEncoder);
		return this;
	}

	@Override
	public void configure(AuthenticationManagerBuilder builder) throws Exception {
		this.provider = postProcess(this.provider);
		builder.authenticationProvider(this.provider);
	}

	@Override
	public UserDetailsService getUserDetailsService() {
		return this.userDetailsService;
	}

}