/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb3.security;
import org.jboss.aop.advice.Interceptor;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.joinpoint.MethodInvocation;
import org.jboss.ejb3.EJBContainer;
import org.jboss.ejb3.annotation.SecurityDomain;
import org.jboss.ejb3.mdb.MessagingContainer;
import org.jboss.security.RunAsIdentity;
import org.jboss.security.SecurityContext;
/**
* An interceptor that enforces the run-as identity declared by a bean.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>.
* @author Anil.Saldhana@redhat.com
* @version $Revision: 61914 $
*/
public class RunAsSecurityInterceptorv2 implements Interceptor
{
private RunAsIdentity runAsIdentity;
private EJBContainer container;
public RunAsSecurityInterceptorv2(EJBContainer container, RunAsIdentity id)
{
this.runAsIdentity = id;
this.container = container;
}
protected RunAsIdentity getRunAsIdentity(Invocation invocation)
{
return runAsIdentity;
}
/**
* @see Interceptor#invoke(Invocation)
*/
public Object invoke(Invocation invocation) throws Throwable
{
SecurityContext cachedContext = null;
//Check for ejbTimeOut
SecurityHelper shelper = new SecurityHelper();
if(shelper.isEJBTimeOutCallback(((MethodInvocation) invocation).getMethod()))
return invocation.invokeNext();
SecurityContext sc = SecurityActions.getSecurityContext();
cachedContext = sc;
/**
* An MDB always starts with a null security context coming in
*/
if(container instanceof MessagingContainer)
{
sc = null;
}
if(sc == null)
{
SecurityDomain domain = (SecurityDomain)container.getAnnotation(SecurityDomain.class);
if(domain != null)
{
sc = SecurityActions.createSecurityContext(domain.value());
SecurityActions.setSecurityContext(sc);
}
}
if(sc != null)
{
if( runAsIdentity == null && SecurityActions.peekRunAs() != null )
{
// Preserve the RunAs identity if one already exists
sc.setOutgoingRunAs(SecurityActions.peekRunAs());
}
else
{
sc.setOutgoingRunAs(runAsIdentity);
}
}
try
{
return invocation.invokeNext();
}
finally
{
if(sc != null)
SecurityActions.popRunAs();
SecurityActions.setSecurityContext(cachedContext);
}
}
/**
* @see Interceptor#getName()
*/
public String getName()
{
return getClass().getName();
}
}