[midPoint] An SSO Contribution to midPoint using Jasig CAS

[Jason Everling]

That is correct!

JASON

On Wed, Feb 4, 2015 at 8:03 AM, Radovan Semancik <
radovan.semancik at evolveum.com> wrote:

>  Hi Jason,
>
> Thanks a lot for the contribution. This would really be a nice addition to
> our wiki. Just to be completely sure: you were setting up midPoint as a
> client (relying party) in a CAS-based SSO system by using a CAS agent in
> apache, right?
>
> --
>
>                                            Radovan Semancik
>                                           Software Architect
>                                              evolveum.com
>
>
>
> On 02/03/2015 06:11 PM, Jason Everling wrote:
>
> I have successfully got this working so I wanted to post it so that if you
> wanted to include it on your wiki, maybe clean it up so that the steps look
> nicer!
>
>  CAS Usernames must match midPoint user "name"
>
>  In this example I am using Apache with Tomcat 7, auth-cas and mod-jk
>
>  Assumed Configuration:
>
>  Apache installed and configured with SSL
> Tomcat installed and configured working already with midPoint
>
>  *Apache Configuration*
>
>  sudo apt-get install libapache2-mod-jk libapache2-mod-auth-cas
>
>
>  1. Configure mod-jk
>
>  Create a workers.properties file in /etc/apache2
>
>  sudo vi /etc/apache2/workers.properties
>
>  Add the following
>
>  worker.list=worker1
> worker.worker1.port=8009
> worker.worker1.host=localhost
> worker.worker1.type=ajp13
>
>  2. Configure apache2 sites
>
>  sudo vi /etc/apache2/sites-available/default-ssl.conf
>
>  Add the following below the first default DocumentRoot /var/www/html
>
>  <Location ~ "/midpoint*">
>   AuthType CAS
>   AuthName "CAS"
>   require valid-user
>   CasAuthNHeader Cas-User
>  </Location>
>
>  JkMount /midpoint* worker1
>
>  3. Configure auth-cas
>
>  sudo vi /etc/apache2/mods-available/auth_cas.conf
>
>  Add the following
>
>  CASCookiePath /var/cache/apache2/mod_auth_cas/
> CASLoginURL https://SERVERURL/cas/login
> CASValidateURL https://SERVERURL/cas/serviceValidate
> CASDebug Off
> CASValidateServer On
> CASVersion 2
> CASSSOEnabled On
> #Below is needed, auth-cas will use the server hostname in the service URL
> redirect so we will override that, do not add a trailing / or add /midpoint!
> CASRootProxiedAs https://MIDPOINTSERVERURL
>
>  Restart Apache2
>
>  sudo service apache2 restart
>
>  *Tomcat Configuration*
>
>  1. Confgure tomcat to use the AJP connector
>
>  sudo vi /var/lib/tomcat7/conf/server.xml
>
>  Uncomment the following so that it reads
>
>      <!-- Define an AJP 1.3 Connector on port 8009 -->
>
>      <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
>  *Midpoint Configuration*
>
>  1. Edit ctx-web-security.xml
>
>  sudo vi /var/lib/tomcat7/webapps/ctx-web-security.xml
>
>  Uncomment the following so that reads
>
>  <!-- For SSO integration use the following: -->
>         <custom-filter position="PRE_AUTH_FILTER"
> ref="requestHeaderAuthenticationFilter" />
>
>  Edit the following value "principalRequestHeader" in the bean
> "requestHeaderAuthenticationFilter" so that it reads
>
>      <!-- Following bean is used with pre-authentication based on HTTP
> headers (e.g. for SSO integration) -->
>     <beans:bean id="requestHeaderAuthenticationFilter"
> class="org.springframework.security.web.authentication.preauth.RequestHeaderAuthenticationFilter">
>     <beans:property name="principalRequestHeader" value="Cas-User"/>
>     <beans:property name="authenticationManager"
> ref="authenticationManager" />
>  </beans:bean>
>  Finally restart tomcat7
>
>  sudo service tomcat7 restart
>
>  User can now login to midPoint using CAS
>
>  Thanks,
> JASON
>
>
>
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