Ideas behind CAS

Server

Example configuration

This configuration example uses the directory sample data and configuration from the Basic User's Guide.

SSL

deployerConfigContext.xml

...
<bean id="authenticationManager" class="org.jasig.cas.authentication.AuthenticationManagerImpl">
...
 <property name="authenticationHandlers">
  <list>
   <bean	class="org.jasig.cas.authentication.handler.support.HttpBasedServiceCredentialsAuthenticationHandler" />

   <bean class="org.jasig.cas.adaptors.ldap.BindLdapAuthenticationHandler" >
     <property name="filter" value="uid=%u" />
     <property name="searchBase" value="ou=people,o=sevenSeas" />
     <property name="contextSource" ref="contextSource" />
   </bean>
  </list>
 </property>
</bean>
		
<bean id="contextSource" class="org.jasig.cas.adaptors.ldap.util.AuthenticatedLdapContextSource">
 <property name="urls">
  <list>
    <value>ldap://zanzibar:10389</value>
  </list>
 </property>
</bean>
...

Client

Simple example with Filters & JSP

required jars:

  • casclient.jar (from Yale Java Client)
  • JSTL (e.g. jstl-1.1.2.jar & standard-1.1.2.jar)

Deployment Descriptor:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">
    <display-name>Simple CAS Client</display-name>
 <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://localhost/cas/login</param-value>
    </init-param>
    <init-param>
       <param-name>edu.yale.its.tp.cas.client.filter.validateUrl</param-name>
       <param-value>https://localhost/cas/serviceValidate</param-value>
    </init-param>
    <init-param>
       <param-name>edu.yale.its.tp.cas.client.filter.serverName</param-name>
       <param-value>localhost</param-value>
    </init-param>
  </filter>

  <filter-mapping>
    <filter-name>CAS Filter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

JSP:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
 <html>
    <body>
       Welcome
       <c:out value="${sessionScope['edu.yale.its.tp.cas.client.filter.user']}"/>!
    </body>
 </html>

Resources

CAS Website

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