Helical Insight Application and CAS Integration

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Introduction: This document describes the steps of authenticating Helical Insight application using Central Authentication Service (CAS).

 

Prerequisite :

  • Java version 1.7 or higher
  • Apache tomcat 7.0 +
  • Helical Insight Application Version 2.0 +

 

Below are the steps :

 

  1. Configurations needs to do on CAS server :

 

  1. Download 4.0.1 or higher version of Jasig CAS. (It will be a zip file)
  2. Extract the zip file.
  3. You will find “cas.war” file inside the extracted folder.
  4. Place this “cas.war” file inside “apache-tomcat/webapps” folder. Once the tomcat is restarted you will find cas folder at the same locaton.
  5. Try to access the cas using “ServerIP:TomcatPort/cas/login”

For example : “localhost:8080/cas/login”

  1. Default credentials for logging into the cas are as belows:

UserName : casuser

Password : Mellon

Once the login is successful, you are able to see below screen:

 

 

 

  1. For creating new users inside cas, follow below steps :
      1. Edit the “deployerConfigContext.xml” file located at “apache-tomcat/webapps/cas/WEB-INF”
      2. You will find property tag with name=”users” (as shown below) contains the information of Users:
        3. <property name="users">

<map>

<entry key="casuser" value="Mellon"/>

</map>

</property>
      3. You can add the new user entry by providing key and value.

      Example:

      <property name="users">

<map>

<entry key="casuser" value="Mellon"/>

<entry key="helicaluser" value="helical"/>

</map>

</property>

      Above, we have added new user entry with UserName = helicaluser and Password = helical.

       

       

      1. Configurations for Helical Insight application server :

       

      1. Open “spring-security.xml” file in a text editor. ( “spring-security.xml” file will be located at “WEB-INF/classes/” folder).
      2. Modify the URLs present in the below lines of code as per your configuration of CAS server.

       

      <beans:bean id="casEntryPoint" class="org.springframework.security.cas.web.CasAuthenticationEntryPoint">

<beans:property name="loginUrl" value="http://192.168.2.184:8080/cas/login"/>

<beans:property name="serviceProperties" ref="serviceProperties"/>

</beans:bean>

 

<beans:property name="ticketValidator">

<beans:bean class="org.jasig.cas.client.validation.Cas20ServiceTicketValidator">

<beans:constructor-arg index="0" value="http://192.168.2.184:8080/cas"/>

</beans:bean>

</beans:property>

       

      1. Comment out the “entry-point-ref=”loginUrlAuthenticationEntryPoint”” and uncomment “”entry-point-ref=”casEntryPoint”” from “spring-security.xml” file, as shown below.

       

      <http access-denied-page="/WEB-INF/jsp/errorPages/accessdenied.jsp"

use-expressions="true" auto-config="false"

entry-point-ref="casEntryPoint">

<!--entry-point-ref="loginUrlAuthenticationEntryPoint"-->

<!--entry-point-ref="loginUrlAuthenticationEntryPoint"(use this when no cas)-->

<!--entry-point-ref="casEntryPoint"(to enable cas)-->

       

      1. After making above changes (as mentioned in step 2 & 3) save the “spring-security.xml” file and close it.
      2. Open “application-context.xml” file in a text editor. ( “application-context.xml” file will be located at “WEB-INF/classes/” folder).

       

       

       

       

       

      1. Configure the below lines of code as per your Helical Insight application details.

       

      <bean class="org.springframework.security.cas.ServiceProperties" id="serviceProperties">

<property name="service" value="http://{your-ip}:{your-port}/{context}/j_spring_cas_security_check"/>

<property name="sendRenew" value="false"/>

</bean>

       

      Example :

       

<bean class="org.springframework.security.cas.ServiceProperties" id="serviceProperties">

<property name="service" value="http://localhost:8085/hi-ee/j_spring_cas_security_check"/>

<property name="sendRenew" value="false"/>

</bean>

       

      1. Save the changes and close the file.
      2. Restart your Helical Insight application server.
      3. Once the server is started, Try to access your application URL

      Example : “http://localhost:8085/hi-ee/hi.html”

       

      1. This will redirect your application to the login page of CAS.
      1. Once you provide the valid credentials of UserName and Password for CAS server. Helical Insight application will create the session for that user by using the credentials of CAS.

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