001/* 002 * Copyright 2012-2015 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.autoconfigure.security; 018 019import java.util.Map; 020 021import org.apache.commons.logging.Log; 022import org.apache.commons.logging.LogFactory; 023 024import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 025import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; 026import org.springframework.context.ApplicationContext; 027import org.springframework.context.annotation.Bean; 028import org.springframework.context.annotation.Configuration; 029import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder; 030import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration; 031import org.springframework.security.config.annotation.authentication.configurers.GlobalAuthenticationConfigurerAdapter; 032 033/** 034 * {@link GlobalAuthenticationConfigurerAdapter} to trigger early initialization of 035 * {@code @EnableAutoConfiguration} beans. This configuration is imported from 036 * {@link AuthenticationConfiguration} to ensure that users are able to configure the 037 * {@link AuthenticationManagerBuilder} from their {@code @EnableAutoConfiguration} or 038 * {@code @SpringBootApplication} configuration class: 039 * 040 * <pre class="code"> 041 * @Autowired 042 * public void configureGlobal(AuthenticationManagerBuilder auth) { 043 * ... 044 * } 045 * </pre> 046 * 047 * @author Rob Winch 048 * @since 1.1.11 049 */ 050@Configuration 051@ConditionalOnClass(GlobalAuthenticationConfigurerAdapter.class) 052public class BootGlobalAuthenticationConfiguration { 053 054 @Bean 055 public static BootGlobalAuthenticationConfigurationAdapter bootGlobalAuthenticationConfigurationAdapter( 056 ApplicationContext context) { 057 return new BootGlobalAuthenticationConfigurationAdapter(context); 058 } 059 060 private static class BootGlobalAuthenticationConfigurationAdapter 061 extends GlobalAuthenticationConfigurerAdapter { 062 063 private static final Log logger = LogFactory 064 .getLog(BootGlobalAuthenticationConfiguration.class); 065 066 private final ApplicationContext context; 067 068 BootGlobalAuthenticationConfigurationAdapter(ApplicationContext context) { 069 this.context = context; 070 } 071 072 @Override 073 public void init(AuthenticationManagerBuilder auth) { 074 Map<String, Object> beansWithAnnotation = this.context 075 .getBeansWithAnnotation(EnableAutoConfiguration.class); 076 if (logger.isDebugEnabled()) { 077 logger.debug("Eagerly initializing " + beansWithAnnotation); 078 } 079 } 080 081 } 082 083}