/*
* Copyright 2002-2013 the original author or authors.
*
* 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.
*/
package org.springframework.security.config.annotation.web.configuration;
import java.util.List;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.expression.BeanFactoryResolver;
import org.springframework.expression.BeanResolver;
import org.springframework.security.web.method.annotation.AuthenticationPrincipalArgumentResolver;
import org.springframework.security.web.method.annotation.CsrfTokenArgumentResolver;
import org.springframework.security.web.servlet.support.csrf.CsrfRequestDataValueProcessor;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.support.RequestDataValueProcessor;
/**
* Used to add a {@link RequestDataValueProcessor} for Spring MVC and Spring Security CSRF
* integration. This configuration is added whenever {@link EnableWebMvc} is added by
* <a href="{@docRoot}/org/springframework/security/config/annotation/web/configuration/SpringWebMvcImportSelector.html">SpringWebMvcImportSelector</a> and the DispatcherServlet is present on the
* classpath. It also adds the {@link AuthenticationPrincipalArgumentResolver} as a
* {@link HandlerMethodArgumentResolver}.
*
* @author Rob Winch
* @since 3.2
*/
class WebMvcSecurityConfiguration extends WebMvcConfigurerAdapter implements ApplicationContextAware {
private BeanResolver beanResolver;
@Override
@SuppressWarnings("deprecation")
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
AuthenticationPrincipalArgumentResolver authenticationPrincipalResolver = new AuthenticationPrincipalArgumentResolver();
authenticationPrincipalResolver.setBeanResolver(beanResolver);
argumentResolvers.add(authenticationPrincipalResolver);
argumentResolvers
.add(new org.springframework.security.web.bind.support.AuthenticationPrincipalArgumentResolver());
argumentResolvers.add(new CsrfTokenArgumentResolver());
}
@Bean
public RequestDataValueProcessor requestDataValueProcessor() {
return new CsrfRequestDataValueProcessor();
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.beanResolver = new BeanFactoryResolver(applicationContext.getAutowireCapableBeanFactory());
}
}