/*
* 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.aspects.security;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.logging.Logger;
import org.jboss.security.AuthenticationManager;
import org.jboss.security.RealmMapping;
import org.jboss.security.RunAsIdentity;
/**
* An interceptor that enforces the run-as identity declared by a bean.
*
* @author <a href="mailto:Scott.Stark@jboss.org">Scott Stark</a>.
* @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>.
* @version $Revision: 63638 $
*/
public class RunAsSecurityInterceptor implements org.jboss.aop.advice.Interceptor
{
private static final Logger log = Logger.getLogger(RunAsSecurityInterceptor.class);
protected AuthenticationManager securityManager;
protected RealmMapping realmMapping;
public RunAsSecurityInterceptor(AuthenticationManager manager, RealmMapping realmMapping)
{
this.securityManager = manager;
this.realmMapping = realmMapping;
}
public String getName() { return "RunAsSecurityInterceptor"; }
protected RunAsIdentity getRunAsIdentity(Invocation invocation)
{
RunAsIdentity identity = (RunAsIdentity)invocation.getMetaData("security", "run-as");
if (identity == null) identity = getAnnotationRunAsIdentity(invocation);
return identity;
}
protected RunAsIdentity getAnnotationRunAsIdentity(Invocation invocation)
{
RunAs runAs = (RunAs) invocation.resolveAnnotation(RunAs.class);
if (runAs == null) return null;
RunAsIdentity runAsRole = new RunAsIdentity(runAs.value(), null);
return runAsRole;
}
public Object invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable
{
RunAsIdentity runAsRole = getRunAsIdentity(invocation);
// If a run-as role was specified, push it so that any calls made
// by this bean will have the runAsRole available for declarative
// security checks.
if(runAsRole != null)
{
SecurityActions.pushRunAsIdentity(runAsRole);
}
try
{
return invocation.invokeNext();
}
finally
{
if(runAsRole != null)
{
SecurityActions.popRunAsIdentity();
}
}
}
}
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