package auth;

import org.openslx.bwlp.thrift.iface.TAuthenticationException;
import org.openslx.bwlp.thrift.iface.UserInfo;

import util.ShibbolethECP.ReturnCode;
import edu.kit.scc.dei.ecplean.ECPAuthenticationException;

/**
 * @author Jonathan Bauer
 *
 */
public interface BaseAuthenticator {

	/**
	 * Callback interface to the login to be called after a login
	 * Note that this will be called after every login, independent
	 * of the success of the operation. This way the GUI can show a
	 * corresponding message to the user.
	 */
	interface AuthenticatorCallback {
		void postLogin(ReturnCode returnCode, UserInfo user);
	}
	/**
	 * Definition of the generic login method. 
	 * 
	 * @param username The username as String.
	 * @param password The password as String.
	 * @param callback The callback function to be called after the login
	 * @throws ECPAuthenticationException 
	 */
	void login(String username, String password, AuthenticatorCallback callback) throws TAuthenticationException;
}