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SecurityFilterAutoConfiguration.java
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SecurityFilterAutoConfiguration.java
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/*
* Copyright 2012-2019 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
*
* https://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.boot.autoconfigure.security.servlet;
import java.util.EnumSet;
import java.util.stream.Collectors;
import javax.servlet.DispatcherType;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.DelegatingFilterProxyRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Spring Security's Filter.
* Configured separately from {@link SpringBootWebSecurityConfiguration} to ensure that
* the filter's order is still configured when a user-provided
* {@link WebSecurityConfiguration} exists.
*
* @author Rob Winch
* @author Phillip Webb
* @author Andy Wilkinson
* @since 1.3.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnWebApplication(type = Type.SERVLET)
@EnableConfigurationProperties(SecurityProperties.class)
@ConditionalOnClass({ AbstractSecurityWebApplicationInitializer.class, SessionCreationPolicy.class })
@AutoConfigureAfter(SecurityAutoConfiguration.class)
public class SecurityFilterAutoConfiguration {
private static final String DEFAULT_FILTER_NAME = AbstractSecurityWebApplicationInitializer.DEFAULT_FILTER_NAME;
@Bean
@ConditionalOnBean(name = DEFAULT_FILTER_NAME)
public DelegatingFilterProxyRegistrationBean securityFilterChainRegistration(
SecurityProperties securityProperties) {
DelegatingFilterProxyRegistrationBean registration = new DelegatingFilterProxyRegistrationBean(
DEFAULT_FILTER_NAME);
registration.setOrder(securityProperties.getFilter().getOrder());
registration.setDispatcherTypes(getDispatcherTypes(securityProperties));
return registration;
}
private EnumSet<DispatcherType> getDispatcherTypes(SecurityProperties securityProperties) {
if (securityProperties.getFilter().getDispatcherTypes() == null) {
return null;
}
return securityProperties.getFilter().getDispatcherTypes().stream()
.map((type) -> DispatcherType.valueOf(type.name()))
.collect(Collectors.collectingAndThen(Collectors.toSet(), EnumSet::copyOf));
}
}