/* * Copyright (C) 2003-2007 eXo Platform SAS. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see<http://www.gnu.org/licenses/>. */ package org.etk.core.security; import javax.security.auth.login.LoginException; /** * Created by The eXo Platform SAS . Component responsible for user * authentication (session creation) In JAAS LoginModule typically called in * login() method * * @author Gennady Azarenkov * @version $Id:$ */ public interface Authenticator { /** * Authenticate user and return userId which can be different to username. * * @param credentials - list of users credentials (such as name/password, X509 * certificate etc) * @return userId * @throws LoginException * @throws Exception */ String validateUser(Credential[] credentials) throws LoginException, Exception; /** * @param credentials - userId. * @return Identity * @throws Exception */ Identity createIdentity(String userId) throws Exception; }