Added pulling the username, re-added validation filters/SSOlogout

castest2/WebContent/WEB-INF/web.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
-  <display-name>castest2</display-name>
+  <display-name>Sample CASified Application</display-name>  
+    <description>  
+        A sample application that demonstrates the CAS client.  
+    </description>  
   <welcome-file-list>
     <welcome-file>index.html</welcome-file>
     <welcome-file>index.htm</welcome-file>
@@ -9,10 +12,15 @@
     <welcome-file>default.htm</welcome-file>
     <welcome-file>default.jsp</welcome-file>
   </welcome-file-list>
+  
+     <context-param>  
+        <param-name>serverName</param-name>  
+        <param-value>http://localhost:8080</param-value>  
+    </context-param>
 <!-- Start CAS configuration -->
 
 <!-- https://secure.identity.ucsb.edu/inside/doku.php/sso_java -->
-<!-- CAS Single Sign Out Filter
+<!-- CAS Single Sign Out Filter-->
 <filter>
    <filter-name>CAS Single Sign Out Filter</filter-name>
    <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
@@ -20,7 +28,7 @@
   <param-name>casServerUrlPrefix</param-name>
   <param-value>https://shib.idm.umd.edu/shibboleth-idp/profile/cas</param-value>
  </init-param>
-</filter>-->
+</filter>
 <!-- CAS Authentication Filter -->
 <filter>
  <filter-name>CAS Authentication Filter</filter-name>
@@ -29,22 +37,14 @@
   <param-name>casServerLoginUrl</param-name>
   <param-value>https://login.umd.edu/cas/login</param-value>
  </init-param>
- <init-param>
-  <param-name>serverName</param-name>
-  <param-value>http://localhost:8080/</param-value>
- </init-param>
 </filter>
- <!-- CAS Validation Filter 
+ <!-- CAS Validation Filter  -->
 <filter>
  <filter-name>CAS Validation Filter</filter-name>
- <filter-class>org.jasig.cas.client.validation.Cas20ServiceTicketValidator</filter-class> 
+ <filter-class>org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class> 
  <init-param>
   <param-name>casServerUrlPrefix</param-name>
-  <param-value>https://shib.idm.umd.edu/shibboleth-idp/profile/cas</param-value>
- </init-param>
- <init-param>
-  <param-name>serverName</param-name>
-  <param-value>http://localhost:8080/castest2</param-value>
+  <param-value>https://login.umd.edu/cas</param-value>
  </init-param>
  <init-param>
   <param-name>redirectAfterValidation</param-name>
@@ -54,33 +54,33 @@
   <param-name>useSession</param-name>
   <param-value>true</param-value>
  </init-param>
-</filter> -->
+</filter>
 <!-- CAS HttpServletRequest Wrapper Filter -->
 <filter>
  <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
  <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
 </filter>
 
-<!-- order of CAS filter mappings is important
+<!-- order of CAS filter mappings is important -->
 <filter-mapping>
    <filter-name>CAS Single Sign Out Filter</filter-name>
    <url-pattern>/*</url-pattern>
-</filter-mapping>-->
+</filter-mapping>
 <filter-mapping>
  <filter-name>CAS Authentication Filter</filter-name>
  <url-pattern>/*</url-pattern>
 </filter-mapping>
-<!--<filter-mapping>
+<filter-mapping>
  <filter-name>CAS Validation Filter</filter-name>
  <url-pattern>/*</url-pattern>
-</filter-mapping>-->
+</filter-mapping>
 <filter-mapping>
  <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
  <url-pattern>/*</url-pattern>
 </filter-mapping>
 
-<!--  <listener>
+  <listener>
  <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
-</listener>-->
+</listener>
 <!-- End CAS configuration -->
 </web-app>
\ No newline at end of file

castest2/src/castest2/servlet/FileCounter.java

@@ -8,6 +8,7 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import org.jasig.cas.client.authentication.AttributePrincipal;
 
 import castest2.FileDao;
 
@@ -29,16 +30,25 @@ public class FileCounter extends HttpServlet {
         HttpSession session = request.getSession(true);
         // Set the session valid for 5 secs
         session.setMaxInactiveInterval(5);
+   
         response.setContentType("text/html");
         PrintWriter out = response.getWriter();
         if (session.isNew()) {
             count++;
         }
-        out.println("This site has been accessed " + count + " times.");
-        out.println("<a href='https://login.umd.edu/cas/logout'> logout </a>");
+        //CAS returns principal in the request.
+        AttributePrincipal principal = (AttributePrincipal)request.getUserPrincipal();
+        if (principal != null) {
+        	String uni = principal.getName();
+        	out.println(uni);
+        } else {
+        	out.println("Could not get username");
+        }
+        out.println("This site has been accessed " + count + " times.\n");
+        out.println("<a href='https://login.umd.edu/cas/logout'> logout\n </a>");
+        
     }
-
-
+    
     @Override
     public void init() throws ServletException {
         dao = new FileDao();