Java.Cas4.0客户端接入配置

1.本示例中使用cas4.0+cas-client-core3.4版本，ide则是myeclipse2014 blue版本，mvn使用3.9版本

2.注意事项:请先实现破解cas-client-core,https请求证书的限制

3.在pom.xml引入cas-client-core.jar,并用破解版替换mvn仓库版本

4.web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 
id="WebApp_ID" version="3.0">

  <display-name>cas-client-demo</display-name>  
    <filter>
        <filter-name>CAS Single Sign Out Filter</filter-name>
        <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
        <!--SSO认证根地址-->
        <init-param>
            <param-name>casServerUrlPrefix</param-name>
            <param-value>https://xxx.cn:7143/cas</param-value>
        </init-param>
    </filter>

    <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>
        <!--SSO登录地址-->
        <init-param>
            <param-name>casServerLoginUrl</param-name>
            <param-value>https://xxx.cn:7143/cas/login</param-value>
        </init-param>
        <!--本系统根地址-->
        <init-param>
            <param-name>serverName</param-name>
            <param-value>https://localhost:7143</param-value>
        </init-param>
        
         <init-param>  
            <description>不拦截的请求</description>  
            <param-name>ignorePattern</param-name>  
            <param-value>/js/*|/img/*|/view/*|/css/*|/sys/*</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://xxx.cn:7143/cas</param-value>
        </init-param>
        <init-param>
            <param-name>serverName</param-name>
            <param-value>https://localhost:7143</param-value>
        </init-param>
        <init-param>
            <param-name>redirectAfterValidation</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>useSession</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <!--
        <init-param>
            <param-name>acceptAnyProxy</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>proxyReceptorUrl</param-name>
            <param-value>/sample/proxyUrl</param-value>
        </init-param>
        <init-param>
            <param-name>proxyCallbackUrl</param-name>
            <param-value>https://mmoayyed.unicon.net:9443/sample/proxyUrl</param-value>
        </init-param>
        -->
        <init-param>
            <param-name>authn_method</param-name>
            <param-value>mfa-duo</param-value>
        </init-param>
    </filter>

    <!--SSO退出地址-->  
    <context-param>  
      <param-name>casServerLogoutUrl</param-name>  
      <param-value>https://xxx.cn:7143/cas/logout</param-value>  
    </context-param>
    <!--本系统根地址-->
    <context-param>  
      <param-name>serverName</param-name>  
      <param-value>https://localhost:7143</param-value>  
    </context-param>

    <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 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>/*</url-pattern>
    </filter-mapping>
    
    <filter-mapping>
        <filter-name>CAS Assertion Thread Local Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <welcome-file-list>
      <!-- 本地默认登陆页面 -->
      <welcome-file>sys/index.jsp</welcome-file>
      <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

5.webapp目录新建home,sys文件夹

5.1sys文件夹添加index.jsp文件

代码如下

<%@page contentType="text/html;charset=UTF-8" %>
<%@page pageEncoding="UTF-8" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>CAS-Demo-不需要认证界面</title>
</head>
<body>
<p>
    本页面内可完成自定义登录功能
</p>
</body>
</html>

5.2home添加index.jsp,代码如下

<%@page contentType="text/html;charset=UTF-8" %>
<%@page pageEncoding="UTF-8" %>
<%@ page import="java.util.Map" %>
<%@ page import="java.util.Iterator" %>
<%@ page import="java.util.List" %>
<%@ page import="org.jasig.cas.client.authentication.AttributePrincipal" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>CAS-Demo</title>
</head>
<body>

<h3>Cas-Client接入示例.</h3>
<hr>

<p>
    <b>用户:<%= request.getRemoteUser() %></b> 
    <%
        //此处默认使用了单点退出，实际操作根据实际的项目框架特点来调整，思路参考SignOut.jsp
     %>
    <a href="logout.jsp" title="退出">退出</a>
</p>


<%
    if (request.getUserPrincipal() != null) {
        AttributePrincipal principal = (AttributePrincipal) request.getUserPrincipal();

        final Map attributes = principal.getAttributes();

        if (attributes != null) {
            Iterator attributeNames = attributes.keySet().iterator();
            out.println("<b>Attributes:</b>");

            if (attributeNames.hasNext()) {
                out.println("<hr><table border='3pt' width='100%'>");
                out.println("<th colspan='2'>Attributes</th>");
                out.println("<tr><td><b>Key</b></td><td><b>Value</b></td></tr>");

                for (; attributeNames.hasNext(); ) {
                    out.println("<tr><td>");
                    String attributeName = (String) attributeNames.next();
                    out.println(attributeName);
                    out.println("</td><td>");
                    final Object attributeValue = attributes.get(attributeName);

                    if (attributeValue instanceof List) {
                        final List values = (List) attributeValue;
                        out.println("<strong>Multi-valued attribute: " + values.size() + "</strong>");
                        out.println("<ul>");
                        for (Object value : values) {
                            out.println("<li>" + value + "</li>");
                        }
                        out.println("</ul>");
                    } else {
                        out.println(attributeValue);
                    }
                    out.println("</td></tr>");
                }
                out.println("</table>");
            } else {
                out.print("No attributes are supplied by the CAS server.</p>");
            }
        } else {
            out.println("<pre>The attribute map is empty. Review your CAS filter configurations.</pre>");
        }
    } else {
        out.println("<pre>The user principal is empty from the request object. Review the wrapper filter configuration.</pre>");
    }
%>

</body>
</html>

5.3home添加logout.jsp

<%@page contentType="text/html" %>
<%@page pageEncoding="UTF-8" %>
<%@ page import="java.util.Map" %>
<%@ page import="java.util.Iterator" %>
<%@ page import="org.jasig.cas.client.authentication.AttributePrincipal" %>
<%

    //判定退出类型
    Boolean isSsoLogout=true;
    if(isSsoLogout){
        //单点退出模式
        //本地退出操作模拟
        session.invalidate();  
        //调用单点退出接口
        response.sendRedirect(application.getInitParameter("casServerLogoutUrl")+ "?service="  
        + application.getInitParameter("serverName") + "/cas-client-demo-1/home");  
    }
    else{
        //本地退出模式
        //本地退出操作模拟
        session.invalidate();  
        
        //跳转至本地登录页/ty/login.jsp
        response.sendRedirect("/ty/login.jsp");
    }
%>

5.4webapp下面添加index.jsp页面

<%@page contentType="text/html;charset=UTF-8" %>
<%@page pageEncoding="UTF-8" %>
<%@ page import="java.util.Map" %>
<%@ page import="java.util.Iterator" %>
<%@ page import="java.util.List" %>
<%@ page import="org.jasig.cas.client.authentication.AttributePrincipal" %>

<%
    response.sendRedirect("/home");
%>

6.运行结果

sys/index.jsp页面不需要认证就可以进入

系统默认页面路径:sys/index.jsp

home以及其他访问路径下的请求需要认证

Java.Cas4.0客户端接入配置

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