spring boot中cas-client-autoconfig-support 2.3.0-GA使用教程及原理解析
时间: 2023-09-08 20:15:16 浏览: 54
CAS(Central Authentication Service),即中央认证服务,是一种企业级的单点登录解决方案,通过认证服务器来实现用户的身份认证,并提供给多个Web应用系统进行认证授权。Spring Boot 中的 CAS Client Autoconfig Support 2.3.0-GA 是一个 CAS 客户端自动配置模块,可以在 Spring Boot 应用程序中轻松集成 CAS 认证功能。
以下是使用该模块的步骤:
1. 添加依赖
在 pom.xml 文件中添加以下依赖:
```xml
<dependency>
<groupId>org.jasig.cas.client</groupId>
<artifactId>cas-client-autoconfig-support</artifactId>
<version>2.3.0-GA</version>
</dependency>
```
2. 配置 CAS 客户端
在 application.properties 或 application.yml 文件中添加以下 CAS 客户端配置:
```yaml
cas:
server-url-prefix: https://cas-server.com/cas
server-login-url: https://cas-server.com/cas/login
client-host-url: http://localhost:8080
```
其中,`server-url-prefix` 是 CAS 服务器的 URL 前缀,`server-login-url` 是 CAS 服务器的登录 URL,`client-host-url` 是应用程序的 URL。
3. 配置安全拦截器
在 Spring Security 配置中添加以下拦截器:
```java
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private CasAuthenticationEntryPoint casAuthenticationEntryPoint;
@Autowired
private CasAuthenticationProvider casAuthenticationProvider;
@Autowired
private CasLogoutFilter casLogoutFilter;
@Autowired
private CasAuthenticationFilter casAuthenticationFilter;
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.authorizeRequests()
.antMatchers("/login").permitAll()
.anyRequest().authenticated()
.and()
.exceptionHandling()
.authenticationEntryPoint(casAuthenticationEntryPoint)
.and()
.addFilter(casAuthenticationFilter)
.addFilterBefore(casLogoutFilter, LogoutFilter.class);
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.authenticationProvider(casAuthenticationProvider);
}
}
```
其中,`CasAuthenticationEntryPoint` 是 CAS 认证入口点,`CasAuthenticationProvider` 是 CAS 认证提供程序,`CasLogoutFilter` 是 CAS 登出过滤器,`CasAuthenticationFilter` 是 CAS 认证过滤器。
4. 配置 CAS 服务
在 Spring Boot 应用程序中配置以下 CAS 服务:
```java
@Configuration
public class CasConfiguration {
@Bean
public ServiceProperties serviceProperties() {
ServiceProperties serviceProperties = new ServiceProperties();
serviceProperties.setService("http://localhost:8080/login/cas");
serviceProperties.setSendRenew(false);
return serviceProperties;
}
@Bean
public CasAuthenticationProvider casAuthenticationProvider() {
CasAuthenticationProvider casAuthenticationProvider = new CasAuthenticationProvider();
casAuthenticationProvider.setAuthenticationUserDetailsService(authenticationUserDetailsService());
casAuthenticationProvider.setServiceProperties(serviceProperties());
casAuthenticationProvider.setTicketValidator(cas20ServiceTicketValidator());
casAuthenticationProvider.setKey("casAuthenticationProviderKey");
return casAuthenticationProvider;
}
@Bean
public AuthenticationUserDetailsService<CasAssertionAuthenticationToken> authenticationUserDetailsService() {
return new UserDetailsServiceImpl();
}
@Bean
public Cas20ServiceTicketValidator cas20ServiceTicketValidator() {
return new Cas20ServiceTicketValidator("https://cas-server.com/cas");
}
@Bean
public CasAuthenticationFilter casAuthenticationFilter(ServiceProperties serviceProperties) throws Exception {
CasAuthenticationFilter casAuthenticationFilter = new CasAuthenticationFilter();
casAuthenticationFilter.setServiceProperties(serviceProperties);
casAuthenticationFilter.setAuthenticationManager(authenticationManager());
return casAuthenticationFilter;
}
@Bean
public CasLogoutFilter casLogoutFilter() {
LogoutFilter logoutFilter = new LogoutFilter("https://cas-server.com/cas/logout", new SecurityContextLogoutHandler());
logoutFilter.setFilterProcessesUrl("/logout/cas");
return new CasLogoutFilter(logoutFilter);
}
@Bean
public CasAuthenticationEntryPoint casAuthenticationEntryPoint(ServiceProperties serviceProperties) {
CasAuthenticationEntryPoint casAuthenticationEntryPoint = new CasAuthenticationEntryPoint();
casAuthenticationEntryPoint.setLoginUrl("https://cas-server.com/cas/login");
casAuthenticationEntryPoint.setServiceProperties(serviceProperties);
return casAuthenticationEntryPoint;
}
}
```
以上就是使用 CAS Client Autoconfig Support 2.3.0-GA 的步骤和原理解析。该模块通过自动配置,可以帮助开发者快速集成 CAS 认证功能,提高开发效率。