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# cas-springboot-demo使用
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源代码地址 https://gitee.com/dromara/MaxKey/tree/main/integrations/cas-springboot-demo
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感谢 xiazhenyou 提供Demo。
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# cas-springboot-demo
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基于spring boot配置cas客户端
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demo分别写了三个请求:拦截请求 test1/index,test1/index1 以及不拦截请求test1/index2,
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## 第一步，引入cas 客户端所需包
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<dependency>
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<groupId>net.unicon.cas</groupId>
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<artifactId>cas-client-autoconfig-support</artifactId>
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<version>2.3.0-GA</version>
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</dependency>
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## 第二部，配置spring boot 配置文件
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```
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server:
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port: 8989
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cas:
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# cas服务端地址
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server-url-prefix: http://sso.maxkey.top/sign/authz/cas/
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# cas服务端登陆地址
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server-login-url: http://sso.maxkey.top/sign/authz/cas/login
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# 客户端访问地址
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client-host-url: http://localhost:8989/
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# 认证方式，默认cas
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validation-type: cas
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# 客户端需要拦截的URL地址
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authentication-url-patterns:
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- /test1/index
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- /test1/index1
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```
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扩展配置项
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````
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cas.authentication-url-patterns
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cas.validation-url-patterns
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cas.request-wrapper-url-patterns
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cas.assertion-thread-local-url-patterns
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cas.gateway
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cas.use-session
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cas.redirect-after-validation
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cas.allowed-proxy-chains
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cas.proxy-callback-url
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cas.proxy-receptor-url
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cas.accept-any-proxy
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server.context-parameters.renew
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````
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## 第三部 在application启动类上加上 @EnableCasClient 注解
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```java
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@SpringBootApplication
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@EnableCasClient
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public class CasClientDemoApplication {
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public static void main(String[] args) {
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SpringApplication.run(DemoApplication.class, args);
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}
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}
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```
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## 第四步 在代码中获取登录用户信息
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``` java
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@GetMapping("test1/index1")
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public String index1(HttpServletRequest request){
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String token =request.getParameter("token");
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System.out.println("token : "+token);
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Assertion assertion = (Assertion) request.getSession().getAttribute(AbstractCasFilter.CONST_CAS_ASSERTION);
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String username= assertion.getPrincipal().getName();
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System.out.println(username);
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return "test index cas拦截正常,登录账号:"+username;
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}
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```
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