CASProxy认证部署与应用示例

需积分: 11 2 下载量 152 浏览量 更新于2024-07-18 收藏 470KB DOCX 举报
本文档主要介绍了如何配置CASProxyAuthentication (代理认证)以实现单点登录(Single Sign-On, SSO)在IT系统中的应用。文章的前提是读者已经熟悉SSO之CAS+Tomcat的基本搭建过程,因为这里的CASProxyAuthentication需要在HTTPS环境下运行,这就要求Tomcat所使用的JRE安装了SSL证书以确保安全通信。 场景设定包括以下几个部分: 1. **CAS服务器(cas-web)**:作为整个认证系统的中心,负责处理用户的登录请求和提供服务票(PGT)。 2. **应用系统(app1、app2、app3、app4)**:这些系统需要接入统一的认证系统。app1作为中间层应用,会通过URL调用app3和app4的远程Servlet,这时app1充当了代理角色,帮助后端服务(app3和app4)进行CAS认证。 3. **app2**:作为普通的认证系统,用来测试与代理认证的兼容性,确保两者能够协同工作。 4. **后端服务(app3和app4)**:这两个应用不仅可以直接通过CAS进行认证,还可以代理它们的后端服务以获取服务票。 5. **实验环境**: - CAS客户端:cas-client-3.2.1-release.zip - CAS服务器:cas-server-3.4.10-release.zip - Apache Tomcat:版本7.0,用于部署Web应用 - 开发工具:J2EE Eclipse - 操作系统:Windows 2003 步骤详细指南: - **cas-web工程搭建**:按照之前提供的SSO之CAS+Tomcat的文档进行设置,包括安装和配置CAS服务器,确保HTTPS支持。 - **app1工程**: - 工程结构:主要包括App1InvokeApp3AndApp4Servlet.java,这是一个Java Servlet,负责发起HTTP请求并处理响应,实现了CAS代理功能。 - 代码实现: - HttpServlet类中,使用HttpURLConnection或相关的HTTP客户端库来发送请求到CAS服务器。 - 通过HttpServletRequest对象获取用户认证信息。 - 调用CAS Proxy API,可能涉及POST请求并传递适当的参数,如服务地址、服务票、以及请求的目标服务信息。 - 接收CAS服务器返回的响应,解析并处理可能包含的服务票或其他认证信息。 - 如果成功,将服务票转发给目标应用(app3或app4)进行后续的访问授权。 总结来说,这篇文档提供了使用CASProxyAuthentication在多应用环境中实现单点登录的具体配置和实现方法,通过中间层应用app1代理后端服务(app3和app4)访问CAS服务器,确保所有参与系统的应用都能共享同一套认证机制,提高系统的安全性与效率。
2008-12-16 上传
cas 配置client 1.0 &2.0 及proxy DEMO 说明 1 cas server 搭建 1.1 资源准备 cas server 下载 http://www.ja-sig.org/downloads/cas/cas-server-3.3.1-release.zip 1.2 解压后打开cas-server-3.3.1-release\cas-server-3.3.1\modules ,将cas-server-webapp-3.3.1.war 重命名为cas.war,并将war包拷贝到tomcat5.5以上版本的webapps目录下(在此对server jdbc支持不做详细解读,测试使用CAS simaple提供的默认用户名 密码 cas/cas) 2 证书生成及导入 2.1 Server端证书配置 2.2 2.2.1 证书生成导入 2.2.1.1 keytool -delete -alias tomcatsso -keystore cacerts -storepass changeit 2.2.1.2 keytool -list -keystore cacerts -storepass changeit 2.2.1.3 keytool -genkey -keyalg RSA -alias tomcatsso -dname "cn=www.test.com" -keystore cacerts -storepass changeit 2.2.1.4 keytool -export -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 2.2.1.5 keytool -import -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 2.2.1.6 keytool -list -keystore cacerts -storepass changeit 说明:在生成key的过程,"cn=www.test.com" 中的www.test.com为Server端的域名(必填)。 2.2.2 TOMCAT 配置SSL支持 2.2.2.1 将cacerts文件复制到TOMCAT的conf目录下修改server.xml <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="443" /> <Connector port="443" minSpareThreads="5" maxSpareThreads="75" enableLookups="true" disableUploadTimeout="true" acceptCount="100" maxThreads="200" scheme="https" secure="true" SSLEnabled="true" clientAuth="false" sslProtocol="TLS" keystoreFile="conf/cacerts" keystorePass="changeit" truststoreFile="conf/cacerts"/> 启动Tomcat,测试https://www.test.com:443 2.2.3 客户端证书导入 2.2.3.1 .\jre\lib\security>keytool -import -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 3 cas client 1.0配置说明 <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <description>cas1 demo</description> <filter> <filter-name>CAS Filter</filter-name> <filter-class> edu.yale.its.tp.cas.client.filter.CASFilter </filter-class> <init-param> <param-name> edu.yale.its.tp.cas.client.filter.loginUrl </param-name> <param-value> https://www.test.com:8443/cas/login </param-value> </init-param> <init-param> <param-name> edu.yale.its.tp.cas.client.filter.validateUrl </param-name> <param-value> https://www.test.com:8443/cas/proxyValidate </param-value> </init-param> <init-param> <param-name> edu.yale.its.tp.cas.client.filter.serverName </param-name> <param-value>www.teste.com:8080</param-value> </init-param> </filter> <filter-mapping> <filter-name>CAS Filter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> 4 cas client 2.0配置说明 <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <description>cas client test</description> <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> <init-param> <param-name>serverName</param-name> <param-value>http://www.testd.com:8080</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> <init-param> <param-name>serverName</param-name> <param-value>http://www.testd.com:8080</param-value> </init-param> <init-param> <param-name>exceptionOnValidationFailure</param-name> <param-value>false</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 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> <filter-mapping> <filter-name>CAS Validation Filter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>CAS Authentication Filter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name> <url-pattern>/index.jsp</url-pattern> </filter-mapping> <listener> <listener-class> org.jasig.cas.client.session.SingleSignOutHttpSessionListener </listener-class> </listener> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> 5 cas client 2.0 proxy 配置说明 proxy web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <description>cas client test</description> <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> <init-param> <param-name>serverName</param-name> <param-value>http://www.teste.com:8080</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> <init-param> <param-name>serverName</param-name> <param-value>http://www.teste.com:8080</param-value> </init-param> <init-param> <param-name>exceptionOnValidationFailure</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>allowedProxyChains</param-name> <param-value>http://www.testd.com:8080/testd</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 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> <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>/index.jsp</url-pattern> </filter-mapping> <listener> <listener-class> org.jasig.cas.client.session.SingleSignOutHttpSessionListener </listener-class> </listener> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> non proxy web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <description>cas client test</description> <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> <init-param> <param-name>serverName</param-name> <param-value>http://www.testd.com:8080</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> <init-param> <param-name>serverName</param-name> <param-value>http://www.testd.com:8080</param-value> </init-param> <init-param> <param-name>exceptionOnValidationFailure</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>proxyCallbackUrl</param-name> <param-value>http://www.teste.com:8080/teste</param-value> </init-param> <init-param> <param-name>proxyReceptorUrl</param-name> <param-value>/proxy/test.jsp</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 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> <filter-mapping> <filter-name>CAS Validation Filter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>CAS Authentication Filter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name> <url-pattern>/index.jsp</url-pattern> </filter-mapping> <listener> <listener-class> org.jasig.cas.client.session.SingleSignOutHttpSessionListener </listener-class> </listener> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> 6 demo 部署及说明 拷贝demo目录下的文件到 相应的发布目录(tomcat/webapps)下,使用解压工具解压,打开对应demo的web.xml,将www.test.com 及 www.testd.com 、www.teste.com 修改为相应的路径 启动TOMCAT ,祝贺你CAS 部署成功了! 7 Cas 非HTTPS支持(不赞成使用) cas client 部分修改 打开edu.yale.its.tp.cas.client.filter类,注释此 if (!pv.isAuthenticationSuccesful()) // throw new ServletException( // "CAS authentication error: " + pv.getErrorCode() + ": " + pv.getErrorMessage()); Cas server 部分修改 打开 cas-server-webapp-3.3.1\WebRoot\WEB-INF\spring-configuration\ticketGrantingTicketCookieGenerator.xml 文件 将 p:cookieSecure="true" 值改为 p:cookieSecure="false" 备注:此文仅供参考,作者仅希望通过此文引导新手,相互交流,若有疑问或意见请与作者联系! 利剑 2008-12-16 QQ:349566018 E-mail:mygw@163.com