//第一步：写入pom文件jar包坐标
<!-- 单点登录安全框架 -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
</dependency>
<!--cas的客户端 -->
<dependency>
<groupId>net.unicon.cas</groupId>
<artifactId>cas-client-autoconfig-support</artifactId>
<version>2.2.0-GA</version>
<exclusions>
<exclusion>
<groupId>org.jasig.cas.client</groupId>
<artifactId>cas-client-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.jasig.cas.client</groupId>
<artifactId>cas-client-core</artifactId>
<version>3.5.0</version>
</dependency>
//第二步，获取登录账户用于权限管理
//获取CAS单点登录账户名的两种方法
@RestController
@RequestMapping("/CASUtil")
public class CASUtil {
/**
* 从cas中获取用户名
*
* @param request
* @return
*/
@LoginCheck(check = false)//不登录也能访问
@RequestMapping("/getUserName2")
public static String getAccountNameFromCas(HttpServletRequest request) {
Assertion assertion = (Assertion) request.getSession().getAttribute(AbstractCasFilter.CONST_CAS_ASSERTION);
if(assertion!= null){
AttributePrincipal principal = assertion.getPrincipal();
return principal.getName();
}else return null;
}
@LoginCheck(check = false)//不登录也能访问
@RequestMapping("/getUserName")
public static String getUserName(HttpServletRequest request) {
String personCode = ""; //账户名
AssertionImpl assertion = (AssertionImpl) request.getSession().getAttribute("_const_cas_assertion_");
if(assertion!=null){
AttributePrincipal principal = assertion.getPrincipal();
if(principal!=null){
personCode = principal.getName();
return personCode;
}else{
return null;
}
}else{
return null;
}
}
}
//第三步springboot 配置文件配置
#cas config
spring.cas.sign-out-filters=/logout
spring.cas.auth-filters=/*
spring.cas.validate-filters=/*
spring.cas.request-wrapper-filters=/*
spring.cas.assertion-filters=/*
spring.cas.redirect-after-validation=true
spring.cas.use-session=true
#the dev of cas config
spring.cas.cas-server-login-url=http://IP/cas/login
spring.cas.cas-server-url-prefix=http://IP/cas
spring.cas.server-name=http://IP:端口
ignore-host-url=http://IP:端口/tsysController/*
//第四步springboot 获取配置文件内容类编写
@ConfigurationProperties(prefix = "spring.cas")
public class SpringCasAutoconfig {
static final String separator = ",";
private String validateFilters;
private String signOutFilters;
private String authFilters;
private String assertionFilters;
private String requestWrapperFilters;
private String casServerUrlPrefix;
private String casServerLoginUrl;
private String serverName;
private boolean useSession = true;
private boolean redirectAfterValidation = true;
public List<String> getValidateFilters() {
return Arrays.asList(validateFilters.split(separator));
}
public void setValidateFilters(String validateFilters) {
this.validateFilters = validateFilters;
}
public List<String> getSignOutFilters() {
return Arrays.asList(signOutFilters.split(separator));
}
public void setSignOutFilters(String signOutFilters) {
this.signOutFilters = signOutFilters;
}
public List<String> getAuthFilters() {
return Arrays.asList(authFilters.split(separator));
}
public void setAuthFilters(String authFilters) {
this.authFilters = authFilters;
}
public List<String> getAssertionFilters() {
return Arrays.asList(assertionFilters.split(separator));
}
public void setAssertionFilters(String assertionFilters) {
this.assertionFilters = assertionFilters;
}
public List<String> getRequestWrapperFilters() {
return Arrays.asList(requestWrapperFilters.split(separator));
}
public void setRequestWrapperFilters(String requestWrapperFilters) {
this.requestWrapperFilters = requestWrapperFilters;
}
public String getCasServerUrlPrefix() {
return casServerUrlPrefix;
}
public void setCasServerUrlPrefix(String casServerUrlPrefix) {
this.casServerUrlPrefix = casServerUrlPrefix;
}
public String getCasServerLoginUrl() {
return casServerLoginUrl;
}
public void setCasServerLoginUrl(String casServerLoginUrl) {
this.casServerLoginUrl = casServerLoginUrl;
}
public String getServerName() {
return serverName;
}
public void setServerName(String serverName) {
this.serverName = serverName;
}
public boolean isRedirectAfterValidation() {
return redirectAfterValidation;
}
public void setRedirectAfterValidation(boolean redirectAfterValidation) {
this.redirectAfterValidation = redirectAfterValidation;
}
public boolean isUseSession() {
return useSession;
}
public void setUseSession(boolean useSession) {
this.useSession = useSession;
}
}
//第五步CAS java代码过滤器类编写
//CAS登录登录和统一退出 及不登录也能访问路径过滤器配置
@Configuration
public class CasConfig {
@Value("${ignore-host-url}")
private String ignoreHostUrl;
@Autowired
SpringCasAutoconfig autoconfig;
private static boolean casEnabled = true;
public CasConfig() {
}
@Bean
public SpringCasAutoconfig getSpringCasAutoconfig(){
return new SpringCasAutoconfig();
}
/**
* 用于实现单点登出功能
*/
@Bean
public ServletListenerRegistrationBean<SingleSignOutHttpSessionListener> singleSignOutHttpSessionListener() {
ServletListenerRegistrationBean<SingleSignOutHttpSessionListener> listener = new ServletListenerRegistrationBean<>();
listener.setEnabled(casEnabled);
listener.setListener(new SingleSignOutHttpSessionListener());
listener.setOrder(1);
return listener;
}
/**
* 该过滤器用于实现单点登出功能，单点退出配置，一定要放在其他filter之前
*/
@Bean
public FilterRegistrationBean logOutFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
LogoutFilter logoutFilter = new LogoutFilter(autoconfig.getCasServerUrlPrefix() + "/logout?service=" + autoconfig.getServerName(),new SecurityContextLogoutHandler());
filterRegistration.setFilter(logoutFilter);
filterRegistration.setEnabled(casEnabled);
if(autoconfig.getSignOutFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getSignOutFilters());
else
filterRegistration.addUrlPatterns("/logout");
filterRegistration.addInitParameter("casServerUrlPrefix", autoconfig.getCasServerUrlPrefix());
filterRegistration.addInitParameter("serverName", autoconfig.getServerName());
filterRegistration.setOrder(2);
return filterRegistration;
}
/**
* 该过滤器用于实现单点登出功能，单点退出配置，一定要放在其他filter之前
*/
@Bean
public FilterRegistrationBean singleSignOutFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
filterRegistration.setFilter(new SingleSignOutFilter());
filterRegistration.setEnabled(casEnabled);
if(autoconfig.getSignOutFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getSignOutFilters());
else
filterRegistration.addUrlPatterns("/*");
filterRegistration.addInitParameter("casServerUrlPrefix", autoconfig.getCasServerUrlPrefix());
filterRegistration.addInitParameter("serverName", autoconfig.getServerName());
filterRegistration.setOrder(3);
return filterRegistration;
}
/**
* 该过滤器负责用户的认证工作
*/
@Bean
public FilterRegistrationBean authenticationFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
filterRegistration.setFilter(new AuthenticationFilter());
filterRegistration.setEnabled(casEnabled);
if(autoconfig.getAuthFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getAuthFilters());
else
filterRegistration.addUrlPatterns("/*");
//casServerLoginUrl:cas服务的登陆url
filterRegistration.addInitParameter("casServerLoginUrl", autoconfig.getCasServerLoginUrl());
//本项目登录ip+port
filterRegistration.addInitParameter("serverName", autoconfig.getServerName());
filterRegistration.addInitParameter("ignorePattern", ignoreHostUrl);
filterRegistration.addInitParameter("useSession", autoconfig.isUseSession()?"true":"false");
filterRegistration.addInitParameter("redirectAfterValidation", autoconfig.isRedirectAfterValidation()?"true":"false");
filterRegistration.setOrder(4);
return filterRegistration;
}
/**
* 该过滤器负责对Ticket的校验工作
*/
@Bean
public FilterRegistrationBean cas20ProxyReceivingTicketValidationFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
Cas20ProxyReceivingTicketValidationFilter cas20ProxyReceivingTicketValidationFilter = new Cas20ProxyReceivingTicketValidationFilter();
cas20ProxyReceivingTicketValidationFilter.setServerName(autoconfig.getServerName());
filterRegistration.setFilter(cas20ProxyReceivingTicketValidationFilter);
filterRegistration.setEnabled(casEnabled);
if(autoconfig.getValidateFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getValidateFilters());
else
filterRegistration.addUrlPatterns("/*");
filterRegistration.addInitParameter("casServerUrlPrefix", autoconfig.getCasServerUrlPrefix());
filterRegistration.addInitParameter("serverName", autoconfig.getServerName());
filterRegistration.setOrder(5);
return filterRegistration;
}
/**
* 该过滤器对HttpServletRequest请求包装， 可通过HttpServletRequest的getRemoteUser()方法获得登录用户的登录名
*
*/
@Bean
public FilterRegistrationBean httpServletRequestWrapperFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
filterRegistration.setFilter(new HttpServletRequestWrapperFilter());
filterRegistration.setEnabled(true);
if(autoconfig.getRequestWrapperFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getRequestWrapperFilters());
else
filterRegistration.addUrlPatterns("/login");
filterRegistration.setOrder(6);
return filterRegistration;
}
/**
* 该过滤器使得可以通过org.jasig.cas.client.util.AssertionHolder来获取用户的登录名。
比如AssertionHolder.getAssertion().getPrincipal().getName()。
这个类把Assertion信息放在ThreadLocal变量中，这样应用程序不在web层也能够获取到当前登录信息
*/
@Bean
public FilterRegistrationBean assertionThreadLocalFilter() {
FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
filterRegistration.setFilter(new AssertionThreadLocalFilter());
filterRegistration.setEnabled(true);
if(autoconfig.getAssertionFilters().size()>0)
filterRegistration.setUrlPatterns(autoconfig.getAssertionFilters());
else
filterRegistration.addUrlPatterns("/*");
filterRegistration.setOrder(7);
return filterRegistration;
}
}
