spring security AbstractHttpConfigurer 源码
spring security AbstractHttpConfigurer 代码
文件路径：/config/src/main/java/org/springframework/security/config/annotation/web/configurers/AbstractHttpConfigurer.java
/*
* Copyright 2002-2022 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.security.config.annotation.web.configurers;
import org.springframework.context.ApplicationContext;
import org.springframework.security.config.annotation.ObjectPostProcessor;
import org.springframework.security.config.annotation.SecurityConfigurer;
import org.springframework.security.config.annotation.SecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.HttpSecurityBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.context.SecurityContextHolderStrategy;
import org.springframework.security.web.DefaultSecurityFilterChain;
/**
* Adds a convenient base class for {@link SecurityConfigurer} instances that operate on
* {@link HttpSecurity}.
*
* @author Rob Winch
*/
public abstract class AbstractHttpConfigurer<T extends AbstractHttpConfigurer<T, B>, B extends HttpSecurityBuilder<B>>
extends SecurityConfigurerAdapter<DefaultSecurityFilterChain, B> {
private SecurityContextHolderStrategy securityContextHolderStrategy;
/**
* Disables the {@link AbstractHttpConfigurer} by removing it. After doing so a fresh
* version of the configuration can be applied.
* @return the {@link HttpSecurityBuilder} for additional customizations
*/
@SuppressWarnings("unchecked")
public B disable() {
getBuilder().removeConfigurer(getClass());
return getBuilder();
}
@SuppressWarnings("unchecked")
public T withObjectPostProcessor(ObjectPostProcessor<?> objectPostProcessor) {
addObjectPostProcessor(objectPostProcessor);
return (T) this;
}
protected SecurityContextHolderStrategy getSecurityContextHolderStrategy() {
if (this.securityContextHolderStrategy != null) {
return this.securityContextHolderStrategy;
}
ApplicationContext context = getBuilder().getSharedObject(ApplicationContext.class);
String[] names = context.getBeanNamesForType(SecurityContextHolderStrategy.class);
if (names.length == 1) {
this.securityContextHolderStrategy = context.getBean(SecurityContextHolderStrategy.class);
}
else {
this.securityContextHolderStrategy = SecurityContextHolder.getContextHolderStrategy();
}
return this.securityContextHolderStrategy;
}
}
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