Java tutorial
/******************************************************************************* * <copyright> * * Copyright (c) 2014 Eteration A.S. * All rights reserved. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Contributors: * Naci Dai, Eteration A.S. - initial API, implementation and documentation * * </copyright> * *******************************************************************************/ package org.glassmaker.spring.oauth; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationListener; import org.springframework.security.authentication.AuthenticationProvider; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.authentication.event.InteractiveAuthenticationSuccessEvent; import org.springframework.security.core.Authentication; import org.springframework.security.core.AuthenticationException; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.core.userdetails.UserDetailsService; import org.springframework.stereotype.Component; @Component("oAuth2AuthenticationProvider") public class OAuth2AuthenticationProvider implements AuthenticationProvider, ApplicationListener<InteractiveAuthenticationSuccessEvent> { @Autowired protected UserDetailsService userDetailsService; @Override public void onApplicationEvent(InteractiveAuthenticationSuccessEvent event) { System.out.println(event); } @Override public Authentication authenticate(Authentication authentication) throws AuthenticationException { if (!supports(authentication.getClass())) { return null; } if (authentication instanceof UsernamePasswordAuthenticationToken) { UsernamePasswordAuthenticationToken token = (UsernamePasswordAuthenticationToken) authentication; UserDetails userDetails = userDetailsService.loadUserByUsername((String) token.getPrincipal()); UsernamePasswordAuthenticationToken newToken = new UsernamePasswordAuthenticationToken( token.getPrincipal(), token.getCredentials(), userDetails.getAuthorities()); newToken.setDetails(token.getDetails()); return newToken; } return null; } @Override public boolean supports(Class<?> authenticationclaz) { return authenticationclaz == UsernamePasswordAuthenticationToken.class; } public UserDetailsService getUserDetailsService() { return userDetailsService; } public void setUserDetailsService(UserDetailsService userDetailsService) { this.userDetailsService = userDetailsService; } }