spring security GlobalMethodSecurityConfiguration 源码
spring security GlobalMethodSecurityConfiguration 代码
文件路径：/config/src/main/java/org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.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.method.configuration;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.aopalliance.intercept.MethodInterceptor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.SmartInitializingSingleton;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.AdviceMode;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportAware;
import org.springframework.context.annotation.Role;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.AfterInvocationProvider;
import org.springframework.security.access.PermissionEvaluator;
import org.springframework.security.access.annotation.Jsr250MethodSecurityMetadataSource;
import org.springframework.security.access.annotation.Jsr250Voter;
import org.springframework.security.access.annotation.SecuredAnnotationSecurityMetadataSource;
import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
import org.springframework.security.access.expression.method.ExpressionBasedAnnotationAttributeFactory;
import org.springframework.security.access.expression.method.ExpressionBasedPostInvocationAdvice;
import org.springframework.security.access.expression.method.ExpressionBasedPreInvocationAdvice;
import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
import org.springframework.security.access.intercept.AfterInvocationManager;
import org.springframework.security.access.intercept.AfterInvocationProviderManager;
import org.springframework.security.access.intercept.RunAsManager;
import org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor;
import org.springframework.security.access.intercept.aspectj.AspectJMethodSecurityInterceptor;
import org.springframework.security.access.method.DelegatingMethodSecurityMetadataSource;
import org.springframework.security.access.method.MethodSecurityMetadataSource;
import org.springframework.security.access.prepost.PostInvocationAdviceProvider;
import org.springframework.security.access.prepost.PreInvocationAuthorizationAdvice;
import org.springframework.security.access.prepost.PreInvocationAuthorizationAdviceVoter;
import org.springframework.security.access.prepost.PrePostAnnotationSecurityMetadataSource;
import org.springframework.security.access.vote.AffirmativeBased;
import org.springframework.security.access.vote.AuthenticatedVoter;
import org.springframework.security.access.vote.RoleVoter;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.AuthenticationTrustResolver;
import org.springframework.security.authentication.DefaultAuthenticationEventPublisher;
import org.springframework.security.config.annotation.ObjectPostProcessor;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
import org.springframework.security.config.core.GrantedAuthorityDefaults;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.context.SecurityContextHolderStrategy;
import org.springframework.util.Assert;
/**
* Base {@link Configuration} for enabling global method security. Classes may extend this
* class to customize the defaults, but must be sure to specify the
* {@link EnableGlobalMethodSecurity} annotation on the subclass.
*
* @author Rob Winch
* @author Eddú Meléndez
* @since 3.2
* @see EnableGlobalMethodSecurity
*/
@Configuration(proxyBeanMethods = false)
@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
public class GlobalMethodSecurityConfiguration implements ImportAware, SmartInitializingSingleton, BeanFactoryAware {
private static final Log logger = LogFactory.getLog(GlobalMethodSecurityConfiguration.class);
private ObjectPostProcessor<Object> objectPostProcessor = new ObjectPostProcessor<Object>() {
@Override
public <T> T postProcess(T object) {
throw new IllegalStateException(ObjectPostProcessor.class.getName()
+ " is a required bean. Ensure you have used @" + EnableGlobalMethodSecurity.class.getName());
}
};
private SecurityContextHolderStrategy securityContextHolderStrategy = SecurityContextHolder
.getContextHolderStrategy();
private DefaultMethodSecurityExpressionHandler defaultMethodExpressionHandler = new DefaultMethodSecurityExpressionHandler();
private AuthenticationManager authenticationManager;
private AuthenticationManagerBuilder auth;
private boolean disableAuthenticationRegistry;
private AnnotationAttributes enableMethodSecurity;
private BeanFactory context;
private MethodSecurityExpressionHandler expressionHandler;
private MethodSecurityInterceptor methodSecurityInterceptor;
/**
* Creates the default MethodInterceptor which is a MethodSecurityInterceptor using
* the following methods to construct it.
* <ul>
* <li>{@link #accessDecisionManager()}</li>
* <li>{@link #afterInvocationManager()}</li>
* <li>{@link #authenticationManager()}</li>
* <li>{@link #runAsManager()}</li>
*
* </ul>
*
* <p>
* Subclasses can override this method to provide a different
* {@link MethodInterceptor}.
* </p>
* @param methodSecurityMetadataSource the default
* {@link MethodSecurityMetadataSource}.
* @return the {@link MethodInterceptor}.
*/
@Bean
public MethodInterceptor methodSecurityInterceptor(MethodSecurityMetadataSource methodSecurityMetadataSource) {
this.methodSecurityInterceptor = isAspectJ() ? new AspectJMethodSecurityInterceptor()
: new MethodSecurityInterceptor();
this.methodSecurityInterceptor.setAccessDecisionManager(accessDecisionManager());
this.methodSecurityInterceptor.setAfterInvocationManager(afterInvocationManager());
this.methodSecurityInterceptor.setSecurityMetadataSource(methodSecurityMetadataSource);
this.methodSecurityInterceptor.setSecurityContextHolderStrategy(this.securityContextHolderStrategy);
RunAsManager runAsManager = runAsManager();
if (runAsManager != null) {
this.methodSecurityInterceptor.setRunAsManager(runAsManager);
}
return this.methodSecurityInterceptor;
}
@Override
public void afterSingletonsInstantiated() {
try {
initializeMethodSecurityInterceptor();
}
catch (Exception ex) {
throw new RuntimeException(ex);
}
PermissionEvaluator permissionEvaluator = getSingleBeanOrNull(PermissionEvaluator.class);
if (permissionEvaluator != null) {
this.defaultMethodExpressionHandler.setPermissionEvaluator(permissionEvaluator);
}
RoleHierarchy roleHierarchy = getSingleBeanOrNull(RoleHierarchy.class);
if (roleHierarchy != null) {
this.defaultMethodExpressionHandler.setRoleHierarchy(roleHierarchy);
}
AuthenticationTrustResolver trustResolver = getSingleBeanOrNull(AuthenticationTrustResolver.class);
if (trustResolver != null) {
this.defaultMethodExpressionHandler.setTrustResolver(trustResolver);
}
GrantedAuthorityDefaults grantedAuthorityDefaults = getSingleBeanOrNull(GrantedAuthorityDefaults.class);
if (grantedAuthorityDefaults != null) {
this.defaultMethodExpressionHandler.setDefaultRolePrefix(grantedAuthorityDefaults.getRolePrefix());
}
this.defaultMethodExpressionHandler = this.objectPostProcessor.postProcess(this.defaultMethodExpressionHandler);
}
private <T> T getSingleBeanOrNull(Class<T> type) {
try {
return this.context.getBean(type);
}
catch (NoSuchBeanDefinitionException ex) {
}
return null;
}
private void initializeMethodSecurityInterceptor() throws Exception {
if (this.methodSecurityInterceptor == null) {
return;
}
this.methodSecurityInterceptor.setAuthenticationManager(authenticationManager());
}
/**
* Provide a custom {@link AfterInvocationManager} for the default implementation of
* {@link #methodSecurityInterceptor(MethodSecurityMetadataSource)}. The default is
* null if pre post is not enabled. Otherwise, it returns a
* {@link AfterInvocationProviderManager}.
*
* <p>
* Subclasses should override this method to provide a custom
* {@link AfterInvocationManager}
* </p>
* @return the {@link AfterInvocationManager} to use
*/
protected AfterInvocationManager afterInvocationManager() {
if (prePostEnabled()) {
AfterInvocationProviderManager invocationProviderManager = new AfterInvocationProviderManager();
ExpressionBasedPostInvocationAdvice postAdvice = new ExpressionBasedPostInvocationAdvice(
getExpressionHandler());
PostInvocationAdviceProvider postInvocationAdviceProvider = new PostInvocationAdviceProvider(postAdvice);
List<AfterInvocationProvider> afterInvocationProviders = new ArrayList<>();
afterInvocationProviders.add(postInvocationAdviceProvider);
invocationProviderManager.setProviders(afterInvocationProviders);
return invocationProviderManager;
}
return null;
}
/**
* Provide a custom {@link RunAsManager} for the default implementation of
* {@link #methodSecurityInterceptor(MethodSecurityMetadataSource)}. The default is
* null.
* @return the {@link RunAsManager} to use
*/
protected RunAsManager runAsManager() {
return null;
}
/**
* Allows subclasses to provide a custom {@link AccessDecisionManager}. The default is
* a {@link AffirmativeBased} with the following voters:
*
* <ul>
* <li>{@link PreInvocationAuthorizationAdviceVoter}</li>
* <li>{@link RoleVoter}</li>
* <li>{@link AuthenticatedVoter}</li>
* </ul>
* @return the {@link AccessDecisionManager} to use
*/
protected AccessDecisionManager accessDecisionManager() {
List<AccessDecisionVoter<?>> decisionVoters = new ArrayList<>();
if (prePostEnabled()) {
ExpressionBasedPreInvocationAdvice expressionAdvice = new ExpressionBasedPreInvocationAdvice();
expressionAdvice.setExpressionHandler(getExpressionHandler());
decisionVoters.add(new PreInvocationAuthorizationAdviceVoter(expressionAdvice));
}
if (jsr250Enabled()) {
decisionVoters.add(new Jsr250Voter());
}
RoleVoter roleVoter = new RoleVoter();
GrantedAuthorityDefaults grantedAuthorityDefaults = getSingleBeanOrNull(GrantedAuthorityDefaults.class);
if (grantedAuthorityDefaults != null) {
roleVoter.setRolePrefix(grantedAuthorityDefaults.getRolePrefix());
}
decisionVoters.add(roleVoter);
decisionVoters.add(new AuthenticatedVoter());
return new AffirmativeBased(decisionVoters);
}
/**
* Provide a {@link MethodSecurityExpressionHandler} that is registered with the
* {@link ExpressionBasedPreInvocationAdvice}. The default is
* {@link DefaultMethodSecurityExpressionHandler} which optionally will Autowire an
* {@link AuthenticationTrustResolver}.
*
* <p>
* Subclasses may override this method to provide a custom
* {@link MethodSecurityExpressionHandler}
* </p>
* @return the {@link MethodSecurityExpressionHandler} to use
*/
protected MethodSecurityExpressionHandler createExpressionHandler() {
return this.defaultMethodExpressionHandler;
}
/**
* Gets the {@link MethodSecurityExpressionHandler} or creates it using
* {@link #expressionHandler}.
* @return a non {@code null} {@link MethodSecurityExpressionHandler}
*/
protected final MethodSecurityExpressionHandler getExpressionHandler() {
if (this.expressionHandler == null) {
this.expressionHandler = createExpressionHandler();
}
return this.expressionHandler;
}
/**
* Provides a custom {@link MethodSecurityMetadataSource} that is registered with the
* {@link #methodSecurityMetadataSource()}. Default is null.
* @return a custom {@link MethodSecurityMetadataSource} that is registered with the
* {@link #methodSecurityMetadataSource()}
*/
protected MethodSecurityMetadataSource customMethodSecurityMetadataSource() {
return null;
}
/**
* Allows providing a custom {@link AuthenticationManager}. The default is to use any
* authentication mechanisms registered by
* {@link #configure(AuthenticationManagerBuilder)}. If
* {@link #configure(AuthenticationManagerBuilder)} was not overridden, then an
* {@link AuthenticationManager} is attempted to be autowired by type.
* @return the {@link AuthenticationManager} to use
*/
protected AuthenticationManager authenticationManager() throws Exception {
if (this.authenticationManager == null) {
DefaultAuthenticationEventPublisher eventPublisher = this.objectPostProcessor
.postProcess(new DefaultAuthenticationEventPublisher());
this.auth = new AuthenticationManagerBuilder(this.objectPostProcessor);
this.auth.authenticationEventPublisher(eventPublisher);
configure(this.auth);
this.authenticationManager = (this.disableAuthenticationRegistry)
? getAuthenticationConfiguration().getAuthenticationManager() : this.auth.build();
}
return this.authenticationManager;
}
/**
* Sub classes can override this method to register different types of authentication.
* If not overridden, {@link #configure(AuthenticationManagerBuilder)} will attempt to
* autowire by type.
* @param auth the {@link AuthenticationManagerBuilder} used to register different
* authentication mechanisms for the global method security.
* @throws Exception
*/
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
this.disableAuthenticationRegistry = true;
}
/**
* Provides the default {@link MethodSecurityMetadataSource} that will be used. It
* creates a {@link DelegatingMethodSecurityMetadataSource} based upon
* {@link #customMethodSecurityMetadataSource()} and the attributes on
* {@link EnableGlobalMethodSecurity}.
* @return the {@link MethodSecurityMetadataSource}
*/
@Bean
@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
public MethodSecurityMetadataSource methodSecurityMetadataSource() {
List<MethodSecurityMetadataSource> sources = new ArrayList<>();
ExpressionBasedAnnotationAttributeFactory attributeFactory = new ExpressionBasedAnnotationAttributeFactory(
getExpressionHandler());
MethodSecurityMetadataSource customMethodSecurityMetadataSource = customMethodSecurityMetadataSource();
if (customMethodSecurityMetadataSource != null) {
sources.add(customMethodSecurityMetadataSource);
}
boolean hasCustom = customMethodSecurityMetadataSource != null;
boolean isPrePostEnabled = prePostEnabled();
boolean isSecuredEnabled = securedEnabled();
boolean isJsr250Enabled = jsr250Enabled();
Assert.state(isPrePostEnabled || isSecuredEnabled || isJsr250Enabled || hasCustom,
"In the composition of all global method configuration, "
+ "no annotation support was actually activated");
if (isPrePostEnabled) {
sources.add(new PrePostAnnotationSecurityMetadataSource(attributeFactory));
}
if (isSecuredEnabled) {
sources.add(new SecuredAnnotationSecurityMetadataSource());
}
if (isJsr250Enabled) {
GrantedAuthorityDefaults grantedAuthorityDefaults = getSingleBeanOrNull(GrantedAuthorityDefaults.class);
Jsr250MethodSecurityMetadataSource jsr250MethodSecurityMetadataSource = this.context
.getBean(Jsr250MethodSecurityMetadataSource.class);
if (grantedAuthorityDefaults != null) {
jsr250MethodSecurityMetadataSource.setDefaultRolePrefix(grantedAuthorityDefaults.getRolePrefix());
}
sources.add(jsr250MethodSecurityMetadataSource);
}
return new DelegatingMethodSecurityMetadataSource(sources);
}
/**
* Creates the {@link PreInvocationAuthorizationAdvice} to be used. The default is
* {@link ExpressionBasedPreInvocationAdvice}.
* @return the {@link PreInvocationAuthorizationAdvice}
*/
@Bean
public PreInvocationAuthorizationAdvice preInvocationAuthorizationAdvice() {
ExpressionBasedPreInvocationAdvice preInvocationAdvice = new ExpressionBasedPreInvocationAdvice();
preInvocationAdvice.setExpressionHandler(getExpressionHandler());
return preInvocationAdvice;
}
/**
* Obtains the attributes from {@link EnableGlobalMethodSecurity} if this class was
* imported using the {@link EnableGlobalMethodSecurity} annotation.
*/
@Override
public final void setImportMetadata(AnnotationMetadata importMetadata) {
Map<String, Object> annotationAttributes = importMetadata
.getAnnotationAttributes(EnableGlobalMethodSecurity.class.getName());
this.enableMethodSecurity = AnnotationAttributes.fromMap(annotationAttributes);
}
@Autowired(required = false)
public void setObjectPostProcessor(ObjectPostProcessor<Object> objectPostProcessor) {
this.objectPostProcessor = objectPostProcessor;
}
@Autowired(required = false)
public void setMethodSecurityExpressionHandler(List<MethodSecurityExpressionHandler> handlers) {
if (handlers.size() != 1) {
logger.debug("Not autowiring MethodSecurityExpressionHandler since size != 1. Got " + handlers);
return;
}
this.expressionHandler = handlers.get(0);
}
@Autowired(required = false)
void setSecurityContextHolderStrategy(SecurityContextHolderStrategy securityContextHolderStrategy) {
Assert.notNull(securityContextHolderStrategy, "securityContextHolderStrategy cannot be null");
this.securityContextHolderStrategy = securityContextHolderStrategy;
}
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
this.context = beanFactory;
}
private AuthenticationConfiguration getAuthenticationConfiguration() {
return this.context.getBean(AuthenticationConfiguration.class);
}
private boolean prePostEnabled() {
return enableMethodSecurity().getBoolean("prePostEnabled");
}
private boolean securedEnabled() {
return enableMethodSecurity().getBoolean("securedEnabled");
}
private boolean jsr250Enabled() {
return enableMethodSecurity().getBoolean("jsr250Enabled");
}
private boolean isAspectJ() {
return enableMethodSecurity().getEnum("mode") == AdviceMode.ASPECTJ;
}
private AnnotationAttributes enableMethodSecurity() {
if (this.enableMethodSecurity == null) {
// if it is null look at this instance (i.e. a subclass was used)
EnableGlobalMethodSecurity methodSecurityAnnotation = AnnotationUtils.findAnnotation(getClass(),
EnableGlobalMethodSecurity.class);
Assert.notNull(methodSecurityAnnotation, () -> EnableGlobalMethodSecurity.class.getName() + " is required");
Map<String, Object> methodSecurityAttrs = AnnotationUtils.getAnnotationAttributes(methodSecurityAnnotation);
this.enableMethodSecurity = AnnotationAttributes.fromMap(methodSecurityAttrs);
}
return this.enableMethodSecurity;
}
}
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