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SSO之简略实例

分类: IT文章 • 2022-04-30 09:44:48
SSO之简单实例

在做完了TOMCAT的SSL设置后，接下来我们用CAS做一个简单的实例。

 

一、环境准备

下载相应的服务器端包和客户端包

 

cas官方网站

http://www.jasig.org/cas

 

下载最新的服务端 CAS Server 3.3.3 Final

 

cas官方网站上面的客户端下载地址比较隐秘，没有完全公开，具体地址为

http://www.ja-sig.org/downloads/cas-clients/

下载最新的cas-client-3.1.6-release.zip

 

 

二、服务器端设置

 

将服务器端解压，将modules下面的cas-server-webapp-3.3.3.war部署到web服务器，重命名为CAS.war，作为单点的服务器。

 

 

三、客户端设置

 

1、解压后把modules下面的包放到我们的web应用中。导入相庆的SPRING.JAR包

 

2.配置web.xml,注意encodingFilter要提前配置，不然会出现数据插入数据库的时候有乱码。

serverName是我们web应用的地址和端口

 

 

 

 

	<context-param>   
        <param-name>serverName</param-name>   
   
   
        <param-value>www.test.com:9080</param-value>   
   
    </context-param>   
        
        
    <filter>   
        <filter-name>encodingFilter</filter-name>   
        <filter-class>   
            org.springframework.web.filter.CharacterEncodingFilter    
        </filter-class>   
        <init-param>   
            <param-name>encoding</param-name>   
            <param-value>UTF-8</param-value>   
        </init-param>   
        <init-param>   
            <param-name>forceEncoding</param-name>   
            <param-value>true</param-value>   
        </init-param>   
    </filter>   
        
        
        
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.htm</url-pattern>   
    </filter-mapping>   
   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.ftl</url-pattern>   
    </filter-mapping>   
   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.xhtml</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.html</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.shtml</url-pattern>   
    </filter-mapping>   
   
   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.jsp</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.do</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>encodingFilter</filter-name>   
        <url-pattern>*.vm</url-pattern>   
    </filter-mapping>   
        
        
        
        
        
    <filter>   
        <filter-name>CAS Single Sign Out Filter</filter-name>   
        <filter-class>   
            org.jasig.cas.client.session.SingleSignOutFilter    
        </filter-class>   
    </filter>   
    <filter-mapping>   
        <filter-name>CAS Single Sign Out Filter</filter-name>   
        <url-pattern>/*</url-pattern>   
    </filter-mapping>   
    <listener>   
        <listener-class>   
            org.jasig.cas.client.session.SingleSignOutHttpSessionListener    
        </listener-class>   
    </listener>   
    <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://www.test.com:8443/cas/login</param-value>   
        </init-param>   
    </filter>   
    <filter>   
        <filter-name>CAS Validation Filter</filter-name>   
        <filter-class>   
            org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter    
        </filter-class>   
        <init-param>   
            <param-name>casServerUrlPrefix</param-name>   
            <param-value>https://www.test.com:8443/cas</param-value>   
        </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>   
    <filter-mapping>   
        <filter-name>CAS Authentication Filter</filter-name>   
        <url-pattern>/*</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>CAS Validation Filter</filter-name>   
        <url-pattern>/*</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>   
        <url-pattern>/*</url-pattern>   
    </filter-mapping>   
    <filter-mapping>   
        <filter-name>CAS Assertion Thread Local Filter</filter-name>   
        <url-pattern>/*</url-pattern>   
    </filter-mapping>

 

四、问题

 

在做完上述操作时，可能你会成功运行。但也有会发生以下错误：

 

unable to find valid certification path to requested target的异常

归根到底原因为：

 

产生证书导入的是JDK与TOMCAT所依赖的JRE环境不是同一个JRE。

 

解决方法：

 

将证书导入到相应的JRE中即可。

 

五、FILTER相应参数：

 

SSO之简略实例

 

 

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