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CAS_Demo

Single Sign On CAS Demo

快速开始

在GitHub上导出两个项目

  • cas_client_demo
  • cas_server_demo

这两个项目一个作为cas本地服务器端,一个作为本地客户端,可以方便在本地快速部署开发环境。

2.在eclipse中导入这两个项目,通过Import Existing Maven Project方式:

eclipse_import.png

3.在本地安装MySQL数据库后,通过cas_server_demp.sql和cas_client_demo.sql导入两张表: 在MySQL WorkBench中使用Server->Data Import

mysql_import.png

选择Import from Self-Contained File:

mysql_import2.png

点击Start Import后开始导入。 同样的方法导入cas_server_demo.sql

4.在Eclipse里修改相关的配置文件,主要是数据库用户名密码配置 Cas_server_demo项目中修改 /cas_server_demo/src/main/webapp/WEB-INF/database.xml

database_config.png

Cas_client_demo项目中修改 /cas_client_demo/src/main/resources/config/jdbc.properties

database_config2.png

5.推荐使用Eclipse的WTP插件(Web Tools Platform)来运行Tomcat。由于项目采用的是Maven方式管理,还需要安装m2e-wtp,安装过程参见 http://www.eclipse.org/m2e-wtp/

6.在Eclipse里创建一个Tomcat Server实例,修改Tomcat的配置文件,使其支持https访问:

ssl_config.png

ssl_config2.png

7.添加运行上述两个项目,点击启动Tomcat

tomcat_add.png

tomcat_add2.png

tomcat_add3.png

8.运行Tomcat后检查Console View中是否有异常或错误。 如果一切正常,会显示

tomcat_run.png

9.在浏览器访问 http://localhost:8080/app

browser_demo1.png

点击注册,会跳入cas界面进行注册。 这里的基本原理是:cas_client_demo只接收cas的用户进行登陆。所以新用户进来必须是cas用户,否则就会跳转到cas注册界面。Cas用户第一次登陆app时候会进入app的资料初始化界面进行相关app属性的设置。设置完毕后可以进行正常的应用访问流程。

browser_demo2.png

输入注册的用户名,密码,点击Submit

browser_demo3.png

10.重新访问 http://localhost:8080/app 点击登录,会重定向到cas进行单点登陆

browser_demo4.png

点击Login,登陆成功后返回app,app会检测到该用户是首次登陆本系统,需要完善用户信息。输入相关信息,点击提交

browser_demo5.png

进入真正的应用界面。可以看到相关的身份信息显示。点击logout后就会退出系统。至此,整个系统的注册和登陆流程测试完毕。

browser_demo6.png

开发注意事项

1.Cas_server_demo这部分不需要关注,只要求可以正确运行即可。我们这里主要关注cas_client_demo的开发工作。

2.首先关注pom.xml文件,需要添加

<!-- cas client add -->
<dependency>
    <groupId>org.jasig.cas.client</groupId>
	<artifactId>cas-client-core</artifactId>
	<version>3.2.1</version>
	<exclusions>
		<exclusion>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
		</exclusion>
	</exclusions>
</dependency>
<!-- cas client add -->

3.接下来是web.xml文件,主要是添加cas相关的Listener,Filter和FilterMapping。

<!-- cas add -->
<listener>
    <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
</listener>

<!-- Start cas filter -->
<filter>
	<filter-name>CAS Single Sign Out Filter</filter-name>
	<filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
</filter>

<filter>
	<filter-name>CAS Authentication Filter</filter-name>
	<filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
	<init-param>
		<param-name>casServerLoginUrl</param-name>
		<param-value>https://localhost:8443/cas/login</param-value>
	</init-param>
	<init-param>
		<param-name>serverName</param-name>
		<param-value>http://localhost:8080</param-value>  <!-- 注意:此处更新之后要替换为本地容器对应的端口 -->
	</init-param>
	<init-param>
		<param-name>renew</param-name>
		<param-value>false</param-value>
	</init-param>
	<init-param>
		<param-name>gateway</param-name>
		<param-value>false</param-value>
	</init-param>
</filter>

<filter>
	<filter-name>CAS Validation Filter</filter-name>
	<filter-class>org.jasig.cas.client.validation.Cas10TicketValidationFilter</filter-class>
	<init-param>
		<param-name>casServerUrlPrefix</param-name>
		<param-value>http://localhost:8080/cas</param-value>
	</init-param>
	<init-param>
		<param-name>serverName</param-name>
		<param-value>http://localhost:8080</param-value>  <!-- 注意:此处更新之后要替换为本地容器对应的端口 -->
	</init-param>
</filter>

<filter>
	<filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
	<filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
</filter>

<filter>
	<filter-name>CAS Assertion Thread Local Filter</filter-name>
	<filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>
</filter>
<!-- End cas filter -->

<!-- Start cas filter-mapping -->
<filter-mapping>
	<filter-name>CAS Single Sign Out Filter</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>CAS Single Sign Out Filter</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>

<filter-mapping>
	<filter-name>CAS Authentication Filter</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>CAS Authentication Filter</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>

<filter-mapping>
	<filter-name>CAS Validation Filter</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>CAS Validation Filter</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>

<filter-mapping>
	<filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>

<filter-mapping>
	<filter-name>CAS Assertion Thread Local Filter</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>CAS Assertion Thread Local Filter</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>
<!-- End cas filter-mapping -->
<!-- cas add -->

<filter>
	<filter-name>identity</filter-name>
	<filter-class>com.bcc.rnd.user.common.IdentityInfoFilter</filter-class>
</filter>
<filter-mapping>
	<filter-name>identity</filter-name>
	<url-pattern>/pages/*</url-pattern>
</filter-mapping>
<filter-mapping>
	<filter-name>identity</filter-name>
	<url-pattern>*.action</url-pattern>
</filter-mapping>

4.然后实现一个com.bcc.rnd.user.common.IdentityInfoFilter,这个filter主要是在用户登陆时候判断是否是首次登陆,如果是首次登陆则需要进入资料完善界面。否则从数据库中获取用户资料,存入session。

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