3.關於CAS SSO單點登入客戶端環境搭建原始碼分析
阿新 • • 發佈：2021-10-08
1.準備兩個個全新的tomcat8，用來作為sso單點登入的客戶端，如下：
2.修改server.xml檔案(因為考慮到埠衝突，所以將裡面的埠全部改掉)
需要原始碼
其中apache-tomcat-client1-8082的埠改成了8082
其中apache-tomcat-client2-8083的埠改成了8083
apache-tomcat-client1-8082新增：
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<hostname="sso1.jeesz.cn"appbase="webapps"unpackwars="true"autodeploy="true">
apache-tomcat-client1-8083新增：
<hostname="sso2.jeesz.cn"appbase="webapps"unpackwars="true"autodeploy="true"></hostname="sso2.jeesz.cn"appbase="webapps"></hostname="sso1.jeesz.cn"appbase="webapps">
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3.建立兩個web工程，sso1，sso2，配置web.xml檔案如下（這裡只以sso1為例，sso2的配置可以在專案中檢視）：
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<listener>
<listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
</listener>
<filter>
<filter-name>CASSingleSignOutFilter</filter-name>
<filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CASSingleSignOutFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>CASFilter</filter-name>
<filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
<init-param>
<param-name>casServerLoginUrl</param-name>
<param-value>https://jeesz.cn:8443/cas/login</param-value>
</init-param>
<init-param>
<param-name>serverName</param-name>
<param-value>http://sso1.jeesz.cn:8082</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CASFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>CASValidationFilter</filter-name>
<filter-class>
org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>
<init-param>
<param-name>casServerUrlPrefix</param-name>
<param-value>https://jeesz.cn:8443/cas</param-value>
</init-param>
<init-param>
<param-name>serverName</param-name>
<param-value>http://sso1.jeesz.cn:8082</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CASValidationFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>CASHttpServletRequestWrapperFilter</filter-name>
<filter-class>
org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CASHttpServletRequestWrapperFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>CASAssertionThreadLocalFilter</filter-name>
<filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CASAssertionThreadLocalFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
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注意標紅色的區域
4.將sso1、sso2兩個專案分別打成war包匯入到兩個tomcat中，分別啟動執行,
此時訪問：http://sso1.jeesz.cn:8082/sso1會出現一個異常，我們截圖用來記錄錯誤
這個錯誤很明顯，我們需要配置當前容器支援http，找到cas專案下的HTTPSandIMAPS-10000001.json檔案，路徑為：\WEB-INF\classes\services，裡面增加http協議支援。
5.重啟sso的服務端，再次訪問http://sso1.jeesz.cn:8082/sso1(成功跳轉)
6.其中sso2的客戶端，訪問http://sso2.jeesz.cn:8083/sso2(成功跳轉)
7.反覆用預設賬號測試登入登出，訪問sso1，sso2應用，可以確認只需要登入一次