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18.7. Java Authorization Contract for Containers (JACC)

18.7.1. About Java Authorization Contract for Containers (JACC)

Java Authorization Contract for Containers (JACC) is a standard which defines a contract between containers and authorization service providers, which results in the implementation of providers for use by containers. It was defined in JSR-115, which can be found on the Java Community Process website at http://jcp.org/en/jsr/detail?id=115. It has been part of the core Java Enterprise Edition (Java EE) specification since Java EE version 1.3.
JBoss EAP 6 implements support for JACC within the security functionality of the security subsystem.

18.7.2. Configure Java Authorization Contract for Containers (JACC) Security

To configure Java Authorization Contract for Containers (JACC), you need to configure your security domain with the correct module, and then modify your jboss-web.xml to include the correct parameters.
Add JACC Support to the Security Domain

To add JACC support to the security domain, add the JACC authorization policy to the authorization stack of the security domain, with the required flag set. The following is an example of a security domain with JACC support. However, the security domain is configured in the Management Console or Management CLI, rather than directly in the XML.

<security-domain name="jacc" cache-type="default">
    <authentication>
        <login-module code="UsersRoles" flag="required">
        </login-module>
    </authentication>
    <authorization>
        <policy-module code="JACC" flag="required"/>
    </authorization>
</security-domain>
Configure a Web Application to Use JACC

The jboss-web.xml is located in the WEB-INF/ directory of your deployment, and contains overrides and additional JBoss-specific configuration for the web container. To use your JACC-enabled security domain, you need to include the <security-domain> element, and also set the <use-jboss-authorization> element to true. The following application is properly configured to use the JACC security domain above.

<jboss-web>
    <security-domain>jacc</security-domain>
    <use-jboss-authorization>true</use-jboss-authorization>
</jboss-web>
Configure an EJB Application to Use JACC

Configuring EJBs to use a security domain and to use JACC differs from Web Applications. For an EJB, you can declare method permissions on a method or group of methods, in the ejb-jar.xml descriptor. Within the <ejb-jar> element, any child <method-permission> elements contain information about JACC roles. Refer to the example configuration for more details. The EJBMethodPermission class is part of the Java Enterprise Edition 6 API, and is documented at http://docs.oracle.com/javaee/6/api/javax/security/jacc/EJBMethodPermission.html.

Example 18.53. Example JACC Method Permissions in an EJB

<ejb-jar>
  <assembly-descriptor>
    <method-permission>
      <description>The employee and temp-employee roles may access any method of the EmployeeService bean </description>
      <role-name>employee</role-name>
      <role-name>temp-employee</role-name>
      <method>
        <ejb-name>EmployeeService</ejb-name>
        <method-name>*</method-name>
      </method>
    </method-permission>
  </assembly-descriptor>
</ejb-jar>
You can also constrain the authentication and authorization mechanisms for an EJB by using a security domain, just as you can do for a web application. Security domains are declared in the jboss-ejb3.xml descriptor, in the <security> child element. In addition to the security domain, you can also specify the <run-as-principal>, which changes the principal the EJB runs as.

Example 18.54. Example Security Domain Declaration in an EJB

<ejb-jar> 
	<assembly-descriptor>
		<security>
  		<ejb-name>*</ejb-name>
  		<security-domain>myDomain</security-domain>
  		<run-as-principal>myPrincipal</run-as-principal>
		</security>
 	</assembly-descriptor>
</ejb-jar>