Difference between revisions of "Central Authentication Service - OpenKM 5.1"

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Line 102: Line 102:
 
   </filter-mapping>
 
   </filter-mapping>
 
   <!-- /CAS SSO -->
 
   <!-- /CAS SSO -->
 +
</source>
 +
 +
In server/default/conf/login-config.xml:
 +
 +
<source lang="xml">
 +
<application-policy name="OpenKMWebDav">
 +
  <authentication>
 +
    <login-module code="org.jboss.security.auth.spi.LdapExtLoginModule" flag="required" >
 +
      <module-option name="java.naming.provider.url">ldap://dokumentum2.chronossoftware.com:389</module-option>
 +
      <module-option name="java.naming.security.authentication">simple</module-option>
 +
      <module-option name="baseCtxDN">ou=Users,dc=igyuk,dc=hu</module-option>
 +
      <module-option name="baseFilter">(cn={0})</module-option>
 +
      <module-option name="rolesCtxDN">ou=Groups,dc= igyuk,dc=hu </module-option>
 +
      <module-option name="roleFilter">(uniqueMember={1})</module-option>
 +
      <module-option name="roleAttributeID">cn</module-option>
 +
      <module-option name="roleNameAttributeID">cn</module-option>
 +
      <module-option name="roleAttributeIsDN">true</module-option>
 +
      <module-option name="roleRecursion">2</module-option>
 +
      <module-option name="searchScope">ONELEVEL_SCOPE</module-option>
 +
      <module-option name="allowEmptyPasswords">False</module-option>
 +
      <module-option name="defaultRole">UserRole</module-option>
 +
    </login-module>
 +
  </authentication>
 +
</application-policy>
 +
 +
<application-policy name="OpenKM">
 +
  <authentication>
 +
    <login-module code="org.jasig.cas.client.jaas.CasLoginModule" flag="required">
 +
      <module-option name="ticketValidatorClass">org.jasig.cas.client.validation.Saml11TicketValidator</module-option>
 +
      <module-option name="casServerUrlPrefix">https://dokumentum2.chronossoftware.com/cas</module-option>
 +
      <module-option name="service">https://dokumentum2.chronossoftware.com/OpenKM</module-option>
 +
      <module-option name="defaultRoles">UserRole</module-option>
 +
      <module-option name="roleAttributeNames">groupMembership</module-option>
 +
      <module-option name="principalGroupName">CallerPrincipal</module-option>
 +
      <module-option name="roleGroupName">Roles</module-option>
 +
      <module-option name="cacheAssertions">true</module-option>
 +
      <module-option name="tolerance">20000</module-option>
 +
      <module-option name="cacheTimeout">480</module-option>
 +
    </login-module>
 +
  </authentication>
 +
</application-policy>
 
</source>
 
</source>

Revision as of 17:51, 3 October 2011

The Central Authentication Service (CAS) is a single sign-on protocol for the web. Its purpose is to permit a user to access multiple applications while providing their credentials (such as userid and password) only once. It also allows web applications to authenticate users without gaining access to a user's security credentials, such as a password. The name CAS also refers to a software package that implements this protocol.

Once you have the CAS server up and running it is easy to set SSO in OpenKM. I wanted to keep basic authentication for the WebDav part that is why the filter mapping is complicated. I did the following changes in OpenKM:

In server/default/deploy/OpenKM.war/WEB-INF/web.xml: 

  <!-- CAS SSO-->
  <!-- Facilitates CAS single sign-out -->
  <listener>
    <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
  </listener>

  <!-- Following is needed only if CAS single-sign out is desired -->
  <filter>
    <filter-name>CAS Single Sign Out Filter</filter-name>
    <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
  </filter>

  <!-- Only 2 CAS filters are required for JAAS support -->
  <context-param>
    <param-name>service</param-name>
    <param-value>https://openkm.chronossoftware.com/OpenKM</param-value>
  </context-param>
  <context-param>
    <param-name>casServerLoginUrl</param-name>
    <param-value>https://openkm.chronossoftware.com/cas/login</param-value>
  </context-param>

  <filter>
    <filter-name>CASWebAuthenticationFilter</filter-name>
    <filter-class>org.jasig.cas.client.jboss.authentication.WebAuthenticationFilter</filter-class>
  </filter>
  <filter>
    <filter-name>CASAuthenticationFilter</filter-name>
    <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
  </filter>

  <!-- CAS client filter mappings -->
  <!-- The order of the following filters is vitally important -->
  <filter-mapping>
    <filter-name>CAS Single Sign Out Filter</filter-name>
    <url-pattern>*.jsp</url-pattern>

    <!-- GWT -->
    <url-pattern>/frontend/*</url-pattern>

    <!-- JSPs -->
    <url-pattern>/admin/*</url-pattern>
    <url-pattern>/mobile/*</url-pattern>
    <url-pattern>/mobile-nt/*</url-pattern>

    <!-- Servlets -->
    <url-pattern>/RepositoryStartup</url-pattern>
    <url-pattern>/TextToSpeech</url-pattern>
    <url-pattern>/Test</url-pattern>
    <url-pattern>/frontend/*</url-pattern>
    <url-pattern>/extension/*</url-pattern>
    <!--url-pattern>/*</url-pattern-->
  </filter-mapping>
  <filter-mapping>
    <filter-name>CASWebAuthenticationFilter</filter-name>
    <url-pattern>*.jsp</url-pattern>

    <!-- GWT -->
    <url-pattern>/frontend/*</url-pattern>

    <!-- JSPs -->
    <url-pattern>/admin/*</url-pattern>
    <url-pattern>/mobile/*</url-pattern>
    <url-pattern>/mobile-nt/*</url-pattern>

    <!-- Servlets -->
    <url-pattern>/RepositoryStartup</url-pattern>
    <url-pattern>/TextToSpeech</url-pattern>
    <url-pattern>/Test</url-pattern>
    <url-pattern>/frontend/*</url-pattern>
    <url-pattern>/extension/*</url-pattern>

    <!--url-pattern>/*</url-pattern-->
  </filter-mapping>
  <filter-mapping>
    <filter-name>CASAuthenticationFilter</filter-name>
    <url-pattern>*.jsp</url-pattern>

    <!-- GWT -->
    <url-pattern>/frontend/*</url-pattern>

    <!-- JSPs -->
    <url-pattern>/admin/*</url-pattern>
    <url-pattern>/mobile/*</url-pattern>
    <url-pattern>/mobile-nt/*</url-pattern>

    <!-- Servlets -->
    <url-pattern>/RepositoryStartup</url-pattern>
    <url-pattern>/TextToSpeech</url-pattern>
    <url-pattern>/Test</url-pattern>
    <url-pattern>/frontend/*</url-pattern>
    <url-pattern>/extension/*</url-pattern>

    <!--url-pattern>/*</url-pattern-->
  </filter-mapping>
  <!-- /CAS SSO -->

In server/default/conf/login-config.xml: 

<application-policy name="OpenKMWebDav">
  <authentication>
    <login-module code="org.jboss.security.auth.spi.LdapExtLoginModule" flag="required" >
      <module-option name="java.naming.provider.url">ldap://dokumentum2.chronossoftware.com:389</module-option>
      <module-option name="java.naming.security.authentication">simple</module-option>
      <module-option name="baseCtxDN">ou=Users,dc=igyuk,dc=hu</module-option>
      <module-option name="baseFilter">(cn={0})</module-option>
      <module-option name="rolesCtxDN">ou=Groups,dc= igyuk,dc=hu </module-option>
      <module-option name="roleFilter">(uniqueMember={1})</module-option>
      <module-option name="roleAttributeID">cn</module-option>
      <module-option name="roleNameAttributeID">cn</module-option>
      <module-option name="roleAttributeIsDN">true</module-option>
      <module-option name="roleRecursion">2</module-option>
      <module-option name="searchScope">ONELEVEL_SCOPE</module-option>
      <module-option name="allowEmptyPasswords">False</module-option>
      <module-option name="defaultRole">UserRole</module-option>
    </login-module>
  </authentication>
</application-policy>

<application-policy name="OpenKM">
  <authentication>
    <login-module code="org.jasig.cas.client.jaas.CasLoginModule" flag="required">
      <module-option name="ticketValidatorClass">org.jasig.cas.client.validation.Saml11TicketValidator</module-option>
      <module-option name="casServerUrlPrefix">https://dokumentum2.chronossoftware.com/cas</module-option>
      <module-option name="service">https://dokumentum2.chronossoftware.com/OpenKM</module-option>
      <module-option name="defaultRoles">UserRole</module-option>
      <module-option name="roleAttributeNames">groupMembership</module-option>
      <module-option name="principalGroupName">CallerPrincipal</module-option>
      <module-option name="roleGroupName">Roles</module-option>
      <module-option name="cacheAssertions">true</module-option>
      <module-option name="tolerance">20000</module-option>
      <module-option name="cacheTimeout">480</module-option>
    </login-module>
  </authentication>
</application-policy>
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