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+/*
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+ * Copyright 2002-2013 the original author or authors.
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+ *
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+ * Licensed under the Apache License, Version 2.0 (the "License");
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+ * you may not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+package org.springframework.security.config.annotation.web.configuration;
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+
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+import org.springframework.context.annotation.Bean;
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+import org.springframework.security.web.method.annotation.AuthenticationPrincipalArgumentResolver;
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+import org.springframework.security.web.servlet.support.csrf.CsrfRequestDataValueProcessor;
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+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
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+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
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+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
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+import org.springframework.web.servlet.support.RequestDataValueProcessor;
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+
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+import java.util.List;
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+
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+/**
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+ * Used to add a {@link RequestDataValueProcessor} for Spring MVC and Spring
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+ * Security CSRF integration. This configuration is added whenever
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+ * {@link EnableWebMvc} is added by {@link SpringWebMvcImportSelector} and the
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+ * DispatcherServlet is present on the classpath. It also adds the
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+ * {@link AuthenticationPrincipalArgumentResolver} as a
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+ * {@link HandlerMethodArgumentResolver}.
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+ *
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+ * @author Rob Winch
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+ * @since 3.2
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+ */
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+class WebMvcSecurityConfiguration extends WebMvcConfigurerAdapter {
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+
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+ @Override
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+ @SuppressWarnings("deprecation")
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+ public void addArgumentResolvers(
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+ List<HandlerMethodArgumentResolver> argumentResolvers) {
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+ argumentResolvers.add(new AuthenticationPrincipalArgumentResolver());
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+ argumentResolvers.add(new org.springframework.security.web.bind.support.AuthenticationPrincipalArgumentResolver());
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+ }
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+
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+ @ConditionalOnMissingBean(RequestDataValueProcessor.class)
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+ @Bean
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+ public RequestDataValueProcessor requestDataValueProcessor() {
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+ return new CsrfRequestDataValueProcessor();
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+ }
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+}
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