spring security WebSecurityConfigurerAdapter 源码
spring security WebSecurityConfigurerAdapter 代码
文件路径：/config/src/main/java/org/springframework/security/config/annotation/web/configuration/WebSecurityConfigurerAdapter.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.configuration;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.aop.TargetSource;
import org.springframework.aop.framework.Advised;
import org.springframework.aop.target.LazyInitTargetSource;
import org.springframework.beans.FatalBeanException;
import org.springframework.beans.factory.BeanFactoryUtils;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.annotation.Order;
import org.springframework.core.io.support.SpringFactoriesLoader;
import org.springframework.security.authentication.AuthenticationEventPublisher;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.AuthenticationTrustResolver;
import org.springframework.security.authentication.AuthenticationTrustResolverImpl;
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.annotation.authentication.configurers.provisioning.InMemoryUserDetailsManagerConfigurer;
import org.springframework.security.config.annotation.authentication.configurers.provisioning.JdbcUserDetailsManagerConfigurer;
import org.springframework.security.config.annotation.authentication.configurers.userdetails.DaoAuthenticationConfigurer;
import org.springframework.security.config.annotation.web.WebSecurityConfigurer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.annotation.web.configurers.DefaultLoginPageConfigurer;
import org.springframework.security.config.annotation.web.configurers.SecurityContextConfigurer;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.factory.PasswordEncoderFactories;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.accept.ContentNegotiationStrategy;
import org.springframework.web.accept.HeaderContentNegotiationStrategy;
/**
* Provides a convenient base class for creating a {@link WebSecurityConfigurer} instance.
* The implementation allows customization by overriding methods.
*
* <p>
* Will automatically apply the result of looking up {@link AbstractHttpConfigurer} from
* {@link SpringFactoriesLoader} to allow developers to extend the defaults. To do this,
* you must create a class that extends AbstractHttpConfigurer and then create a file in
* the classpath at "META-INF/spring.factories" that looks something like:
* </p>
* <pre>
* org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer = sample.MyClassThatExtendsAbstractHttpConfigurer
* </pre> If you have multiple classes that should be added you can use "," to separate
* the values. For example:
*
* <pre>
* org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer = sample.MyClassThatExtendsAbstractHttpConfigurer, sample.OtherThatExtendsAbstractHttpConfigurer
* </pre>
*
* @author Rob Winch
* @see EnableWebSecurity
* @deprecated Use a {@link org.springframework.security.web.SecurityFilterChain} Bean to
* configure {@link HttpSecurity} or a {@link WebSecurityCustomizer} Bean to configure
* {@link WebSecurity}
*/
@Order(100)
@Deprecated
public abstract class WebSecurityConfigurerAdapter implements WebSecurityConfigurer<WebSecurity> {
private final Log logger = LogFactory.getLog(WebSecurityConfigurerAdapter.class);
private ApplicationContext context;
private ContentNegotiationStrategy contentNegotiationStrategy = new HeaderContentNegotiationStrategy();
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 @EnableWebSecurity and @Configuration");
}
};
private AuthenticationConfiguration authenticationConfiguration;
private AuthenticationManagerBuilder authenticationBuilder;
private AuthenticationManagerBuilder localConfigureAuthenticationBldr;
private boolean disableLocalConfigureAuthenticationBldr;
private boolean authenticationManagerInitialized;
private AuthenticationManager authenticationManager;
private AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();
private HttpSecurity http;
private boolean disableDefaults;
/**
* Creates an instance with the default configuration enabled.
*/
protected WebSecurityConfigurerAdapter() {
this(false);
}
/**
* Creates an instance which allows specifying if the default configuration should be
* enabled. Disabling the default configuration should be considered more advanced
* usage as it requires more understanding of how the framework is implemented.
* @param disableDefaults true if the default configuration should be disabled, else
* false
*/
protected WebSecurityConfigurerAdapter(boolean disableDefaults) {
this.disableDefaults = disableDefaults;
}
/**
* Used by the default implementation of {@link #authenticationManager()} to attempt
* to obtain an {@link AuthenticationManager}. If overridden, the
* {@link AuthenticationManagerBuilder} should be used to specify the
* {@link AuthenticationManager}.
*
* <p>
* The {@link #authenticationManagerBean()} method can be used to expose the resulting
* {@link AuthenticationManager} as a Bean. The {@link #userDetailsServiceBean()} can
* be used to expose the last populated {@link UserDetailsService} that is created
* with the {@link AuthenticationManagerBuilder} as a Bean. The
* {@link UserDetailsService} will also automatically be populated on
* {@link HttpSecurity#getSharedObject(Class)} for use with other
* {@link SecurityContextConfigurer} (i.e. RememberMeConfigurer )
* </p>
*
* <p>
* For example, the following configuration could be used to register in memory
* authentication that exposes an in memory {@link UserDetailsService}:
* </p>
*
* <pre>
* @Override
* protected void configure(AuthenticationManagerBuilder auth) {
* auth
* // enable in memory based authentication with a user named
* // "user" and "admin"
* .inMemoryAuthentication().withUser("user").password("password").roles("USER").and()
* .withUser("admin").password("password").roles("USER", "ADMIN");
* }
*
* // Expose the UserDetailsService as a Bean
* @Bean
* @Override
* public UserDetailsService userDetailsServiceBean() throws Exception {
* return super.userDetailsServiceBean();
* }
*
* </pre>
* @param auth the {@link AuthenticationManagerBuilder} to use
* @throws Exception
*/
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
this.disableLocalConfigureAuthenticationBldr = true;
}
/**
* Creates the {@link HttpSecurity} or returns the current instance
* @return the {@link HttpSecurity}
* @throws Exception
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
protected final HttpSecurity getHttp() throws Exception {
if (this.http != null) {
return this.http;
}
AuthenticationEventPublisher eventPublisher = getAuthenticationEventPublisher();
this.localConfigureAuthenticationBldr.authenticationEventPublisher(eventPublisher);
AuthenticationManager authenticationManager = authenticationManager();
this.authenticationBuilder.parentAuthenticationManager(authenticationManager);
Map<Class<?>, Object> sharedObjects = createSharedObjects();
this.http = new HttpSecurity(this.objectPostProcessor, this.authenticationBuilder, sharedObjects);
if (!this.disableDefaults) {
applyDefaultConfiguration(this.http);
ClassLoader classLoader = this.context.getClassLoader();
List<AbstractHttpConfigurer> defaultHttpConfigurers = SpringFactoriesLoader
.loadFactories(AbstractHttpConfigurer.class, classLoader);
for (AbstractHttpConfigurer configurer : defaultHttpConfigurers) {
this.http.apply(configurer);
}
}
configure(this.http);
return this.http;
}
private void applyDefaultConfiguration(HttpSecurity http) throws Exception {
http.csrf();
http.addFilter(new WebAsyncManagerIntegrationFilter());
http.exceptionHandling();
http.headers();
http.sessionManagement();
http.securityContext();
http.requestCache();
http.anonymous();
http.servletApi();
http.apply(new DefaultLoginPageConfigurer<>());
http.logout();
}
/**
* Override this method to expose the {@link AuthenticationManager} from
* {@link #configure(AuthenticationManagerBuilder)} to be exposed as a Bean. For
* example:
*
* <pre>
* @Bean(name name="myAuthenticationManager")
* @Override
* public AuthenticationManager authenticationManagerBean() throws Exception {
* return super.authenticationManagerBean();
* }
* </pre>
* @return the {@link AuthenticationManager}
* @throws Exception
*/
public AuthenticationManager authenticationManagerBean() throws Exception {
return new AuthenticationManagerDelegator(this.authenticationBuilder, this.context);
}
/**
* Gets the {@link AuthenticationManager} to use. The default strategy is if
* {@link #configure(AuthenticationManagerBuilder)} method is overridden to use the
* {@link AuthenticationManagerBuilder} that was passed in. Otherwise, autowire the
* {@link AuthenticationManager} by type.
* @return the {@link AuthenticationManager} to use
* @throws Exception
*/
protected AuthenticationManager authenticationManager() throws Exception {
if (!this.authenticationManagerInitialized) {
configure(this.localConfigureAuthenticationBldr);
if (this.disableLocalConfigureAuthenticationBldr) {
this.authenticationManager = this.authenticationConfiguration.getAuthenticationManager();
}
else {
this.authenticationManager = this.localConfigureAuthenticationBldr.build();
}
this.authenticationManagerInitialized = true;
}
return this.authenticationManager;
}
/**
* Override this method to expose a {@link UserDetailsService} created from
* {@link #configure(AuthenticationManagerBuilder)} as a bean. In general only the
* following override should be done of this method:
*
* <pre>
* @Bean(name = "myUserDetailsService")
* // any or no name specified is allowed
* @Override
* public UserDetailsService userDetailsServiceBean() throws Exception {
* return super.userDetailsServiceBean();
* }
* </pre>
*
* To change the instance returned, developers should change
* {@link #userDetailsService()} instead
* @return the {@link UserDetailsService}
* @throws Exception
* @see #userDetailsService()
*/
public UserDetailsService userDetailsServiceBean() throws Exception {
AuthenticationManagerBuilder globalAuthBuilder = this.context.getBean(AuthenticationManagerBuilder.class);
return new UserDetailsServiceDelegator(Arrays.asList(this.localConfigureAuthenticationBldr, globalAuthBuilder));
}
/**
* Allows modifying and accessing the {@link UserDetailsService} from
* {@link #userDetailsServiceBean()} without interacting with the
* {@link ApplicationContext}. Developers should override this method when changing
* the instance of {@link #userDetailsServiceBean()}.
* @return the {@link UserDetailsService} to use
*/
protected UserDetailsService userDetailsService() {
AuthenticationManagerBuilder globalAuthBuilder = this.context.getBean(AuthenticationManagerBuilder.class);
return new UserDetailsServiceDelegator(Arrays.asList(this.localConfigureAuthenticationBldr, globalAuthBuilder));
}
@Override
public void init(WebSecurity web) throws Exception {
HttpSecurity http = getHttp();
web.addSecurityFilterChainBuilder(http);
}
/**
* Override this method to configure {@link WebSecurity}. For example, if you wish to
* ignore certain requests.
*
* Endpoints specified in this method will be ignored by Spring Security, meaning it
* will not protect them from CSRF, XSS, Clickjacking, and so on.
*
* Instead, if you want to protect endpoints against common vulnerabilities, then see
* {@link #configure(HttpSecurity)} and the {@link HttpSecurity#authorizeRequests}
* configuration method.
*/
@Override
public void configure(WebSecurity web) throws Exception {
}
/**
* Override this method to configure the {@link HttpSecurity}. Typically subclasses
* should not invoke this method by calling super as it may override their
* configuration. The default configuration is:
*
* <pre>
* http.authorizeRequests().anyRequest().authenticated().and().formLogin().and().httpBasic();
* </pre>
*
* Any endpoint that requires defense against common vulnerabilities can be specified
* here, including public ones. See {@link HttpSecurity#authorizeRequests} and the
* `permitAll()` authorization rule for more details on public endpoints.
* @param http the {@link HttpSecurity} to modify
* @throws Exception if an error occurs
*/
protected void configure(HttpSecurity http) throws Exception {
this.logger.debug("Using default configure(HttpSecurity). "
+ "If subclassed this will potentially override subclass configure(HttpSecurity).");
http.authorizeRequests((requests) -> requests.anyRequest().authenticated());
http.formLogin();
http.httpBasic();
}
/**
* Gets the ApplicationContext
* @return the context
*/
protected final ApplicationContext getApplicationContext() {
return this.context;
}
@Autowired
public void setApplicationContext(ApplicationContext context) {
this.context = context;
ObjectPostProcessor<Object> objectPostProcessor = context.getBean(ObjectPostProcessor.class);
LazyPasswordEncoder passwordEncoder = new LazyPasswordEncoder(context);
this.authenticationBuilder = new DefaultPasswordEncoderAuthenticationManagerBuilder(objectPostProcessor,
passwordEncoder);
this.localConfigureAuthenticationBldr = new DefaultPasswordEncoderAuthenticationManagerBuilder(
objectPostProcessor, passwordEncoder) {
@Override
public AuthenticationManagerBuilder eraseCredentials(boolean eraseCredentials) {
WebSecurityConfigurerAdapter.this.authenticationBuilder.eraseCredentials(eraseCredentials);
return super.eraseCredentials(eraseCredentials);
}
@Override
public AuthenticationManagerBuilder authenticationEventPublisher(
AuthenticationEventPublisher eventPublisher) {
WebSecurityConfigurerAdapter.this.authenticationBuilder.authenticationEventPublisher(eventPublisher);
return super.authenticationEventPublisher(eventPublisher);
}
};
}
@Autowired(required = false)
public void setTrustResolver(AuthenticationTrustResolver trustResolver) {
this.trustResolver = trustResolver;
}
@Autowired(required = false)
public void setContentNegotationStrategy(ContentNegotiationStrategy contentNegotiationStrategy) {
this.contentNegotiationStrategy = contentNegotiationStrategy;
}
@Autowired
public void setObjectPostProcessor(ObjectPostProcessor<Object> objectPostProcessor) {
this.objectPostProcessor = objectPostProcessor;
}
@Autowired
public void setAuthenticationConfiguration(AuthenticationConfiguration authenticationConfiguration) {
this.authenticationConfiguration = authenticationConfiguration;
}
private AuthenticationEventPublisher getAuthenticationEventPublisher() {
if (this.context.getBeanNamesForType(AuthenticationEventPublisher.class).length > 0) {
return this.context.getBean(AuthenticationEventPublisher.class);
}
return this.objectPostProcessor.postProcess(new DefaultAuthenticationEventPublisher());
}
/**
* Creates the shared objects
* @return the shared Objects
*/
private Map<Class<?>, Object> createSharedObjects() {
Map<Class<?>, Object> sharedObjects = new HashMap<>();
sharedObjects.putAll(this.localConfigureAuthenticationBldr.getSharedObjects());
sharedObjects.put(UserDetailsService.class, userDetailsService());
sharedObjects.put(ApplicationContext.class, this.context);
sharedObjects.put(ContentNegotiationStrategy.class, this.contentNegotiationStrategy);
sharedObjects.put(AuthenticationTrustResolver.class, this.trustResolver);
return sharedObjects;
}
/**
* Delays the use of the {@link UserDetailsService} from the
* {@link AuthenticationManagerBuilder} to ensure that it has been fully configured.
*
* @author Rob Winch
* @since 3.2
*/
static final class UserDetailsServiceDelegator implements UserDetailsService {
private List<AuthenticationManagerBuilder> delegateBuilders;
private UserDetailsService delegate;
private final Object delegateMonitor = new Object();
UserDetailsServiceDelegator(List<AuthenticationManagerBuilder> delegateBuilders) {
Assert.isTrue(!delegateBuilders.contains(null),
() -> "delegateBuilders cannot contain null values. Got " + delegateBuilders);
this.delegateBuilders = delegateBuilders;
}
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
if (this.delegate != null) {
return this.delegate.loadUserByUsername(username);
}
synchronized (this.delegateMonitor) {
if (this.delegate == null) {
for (AuthenticationManagerBuilder delegateBuilder : this.delegateBuilders) {
this.delegate = delegateBuilder.getDefaultUserDetailsService();
if (this.delegate != null) {
break;
}
}
if (this.delegate == null) {
throw new IllegalStateException("UserDetailsService is required.");
}
this.delegateBuilders = null;
}
}
return this.delegate.loadUserByUsername(username);
}
}
/**
* Delays the use of the {@link AuthenticationManager} build from the
* {@link AuthenticationManagerBuilder} to ensure that it has been fully configured.
*
* @author Rob Winch
* @since 3.2
*/
static final class AuthenticationManagerDelegator implements AuthenticationManager {
private AuthenticationManagerBuilder delegateBuilder;
private AuthenticationManager delegate;
private final Object delegateMonitor = new Object();
private Set<String> beanNames;
AuthenticationManagerDelegator(AuthenticationManagerBuilder delegateBuilder, ApplicationContext context) {
Assert.notNull(delegateBuilder, "delegateBuilder cannot be null");
Field parentAuthMgrField = ReflectionUtils.findField(AuthenticationManagerBuilder.class,
"parentAuthenticationManager");
ReflectionUtils.makeAccessible(parentAuthMgrField);
this.beanNames = getAuthenticationManagerBeanNames(context);
validateBeanCycle(ReflectionUtils.getField(parentAuthMgrField, delegateBuilder), this.beanNames);
this.delegateBuilder = delegateBuilder;
}
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
if (this.delegate != null) {
return this.delegate.authenticate(authentication);
}
synchronized (this.delegateMonitor) {
if (this.delegate == null) {
this.delegate = this.delegateBuilder.getObject();
this.delegateBuilder = null;
}
}
return this.delegate.authenticate(authentication);
}
private static Set<String> getAuthenticationManagerBeanNames(ApplicationContext applicationContext) {
String[] beanNamesForType = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(applicationContext,
AuthenticationManager.class);
return new HashSet<>(Arrays.asList(beanNamesForType));
}
private static void validateBeanCycle(Object auth, Set<String> beanNames) {
if (auth == null || beanNames.isEmpty() || !(auth instanceof Advised)) {
return;
}
TargetSource targetSource = ((Advised) auth).getTargetSource();
if (!(targetSource instanceof LazyInitTargetSource)) {
return;
}
LazyInitTargetSource lits = (LazyInitTargetSource) targetSource;
if (beanNames.contains(lits.getTargetBeanName())) {
throw new FatalBeanException(
"A dependency cycle was detected when trying to resolve the AuthenticationManager. "
+ "Please ensure you have configured authentication.");
}
}
}
static class DefaultPasswordEncoderAuthenticationManagerBuilder extends AuthenticationManagerBuilder {
private PasswordEncoder defaultPasswordEncoder;
/**
* Creates a new instance
* @param objectPostProcessor the {@link ObjectPostProcessor} instance to use.
*/
DefaultPasswordEncoderAuthenticationManagerBuilder(ObjectPostProcessor<Object> objectPostProcessor,
PasswordEncoder defaultPasswordEncoder) {
super(objectPostProcessor);
this.defaultPasswordEncoder = defaultPasswordEncoder;
}
@Override
public InMemoryUserDetailsManagerConfigurer<AuthenticationManagerBuilder> inMemoryAuthentication()
throws Exception {
return super.inMemoryAuthentication().passwordEncoder(this.defaultPasswordEncoder);
}
@Override
public JdbcUserDetailsManagerConfigurer<AuthenticationManagerBuilder> jdbcAuthentication() throws Exception {
return super.jdbcAuthentication().passwordEncoder(this.defaultPasswordEncoder);
}
@Override
public <T extends UserDetailsService> DaoAuthenticationConfigurer<AuthenticationManagerBuilder, T> userDetailsService(
T userDetailsService) throws Exception {
return super.userDetailsService(userDetailsService).passwordEncoder(this.defaultPasswordEncoder);
}
}
static class LazyPasswordEncoder implements PasswordEncoder {
private ApplicationContext applicationContext;
private PasswordEncoder passwordEncoder;
LazyPasswordEncoder(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
@Override
public String encode(CharSequence rawPassword) {
return getPasswordEncoder().encode(rawPassword);
}
@Override
public boolean matches(CharSequence rawPassword, String encodedPassword) {
return getPasswordEncoder().matches(rawPassword, encodedPassword);
}
@Override
public boolean upgradeEncoding(String encodedPassword) {
return getPasswordEncoder().upgradeEncoding(encodedPassword);
}
private PasswordEncoder getPasswordEncoder() {
if (this.passwordEncoder != null) {
return this.passwordEncoder;
}
PasswordEncoder passwordEncoder = getBeanOrNull(PasswordEncoder.class);
if (passwordEncoder == null) {
passwordEncoder = PasswordEncoderFactories.createDelegatingPasswordEncoder();
}
this.passwordEncoder = passwordEncoder;
return passwordEncoder;
}
private <T> T getBeanOrNull(Class<T> type) {
try {
return this.applicationContext.getBean(type);
}
catch (NoSuchBeanDefinitionException ex) {
return null;
}
}
@Override
public String toString() {
return getPasswordEncoder().toString();
}
}
}
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