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SpringBootWebSecurityConfiguration.java
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SpringBootWebSecurityConfiguration.java
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/*
* Copyright 2012-2022 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.boot.autoconfigure.security.servlet;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.autoconfigure.security.ConditionalOnDefaultWebSecurity;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.BeanIds;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.web.SecurityFilterChain;
/**
* {@link Configuration @Configuration} class securing servlet applications.
*
* @author Madhura Bhave
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnWebApplication(type = Type.SERVLET)
class SpringBootWebSecurityConfiguration {
/**
* The default configuration for web security. It relies on Spring Security's
* content-negotiation strategy to determine what sort of authentication to use. If
* the user specifies their own {@link SecurityFilterChain} bean, this will back-off
* completely and the users should specify all the bits that they want to configure as
* part of the custom security configuration.
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnDefaultWebSecurity
static class SecurityFilterChainConfiguration {
@Bean
@Order(SecurityProperties.BASIC_AUTH_ORDER)
SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {
http.authorizeHttpRequests().anyRequest().authenticated();
http.formLogin();
http.httpBasic();
return http.build();
}
}
/**
* Adds the {@link EnableWebSecurity @EnableWebSecurity} annotation if Spring Security
* is on the classpath. This will make sure that the annotation is present with
* default security auto-configuration and also if the user adds custom security and
* forgets to add the annotation. If {@link EnableWebSecurity @EnableWebSecurity} has
* already been added or if a bean with name
* {@value BeanIds#SPRING_SECURITY_FILTER_CHAIN} has been configured by the user, this
* will back-off.
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnMissingBean(name = BeanIds.SPRING_SECURITY_FILTER_CHAIN)
@ConditionalOnClass(EnableWebSecurity.class)
@EnableWebSecurity
static class WebSecurityEnablerConfiguration {
}
}