content: /*
   * This file is part of Airsonic.
   *
   *  Airsonic is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  Airsonic 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 Airsonic.  If not, see <http://www.gnu.org/licenses/>.
   *
   *  Copyright 2015 (C) Sindre Mehus
   */
  
  package org.airsonic.player.security;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.context.ApplicationEvent;
  import org.springframework.context.ApplicationListener;
  import org.springframework.security.authentication.AbstractAuthenticationToken;
  import org.springframework.security.authentication.event.AbstractAuthenticationFailureEvent;
  import org.springframework.security.web.authentication.WebAuthenticationDetails;
  
  /**
   * @author Sindre Mehus
   * @version $Id$
   */
  public class LoginFailureListener implements ApplicationListener {
  
      private static final Logger LOG = LoggerFactory.getLogger(LoginFailureListener.class);
  
      @Override
      public void onApplicationEvent(ApplicationEvent event) {
          if (event instanceof AbstractAuthenticationFailureEvent) {
              if (event.getSource() instanceof AbstractAuthenticationToken) {
                  AbstractAuthenticationToken token = (AbstractAuthenticationToken) event.getSource();
                  Object details = token.getDetails();
                  if (details instanceof WebAuthenticationDetails) {
                      LOG.info("Login failed from [" + ((WebAuthenticationDetails) details).getRemoteAddress() + "]");
                  }
              }
          }
  
      }
  }
  