/**
* EasyBeans
* Copyright (C) 2006 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library 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 any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: RunAsAccessInterceptor.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.security.interceptors;
import javax.security.auth.Subject;
import org.ow2.easybeans.api.EasyBeansInterceptor;
import org.ow2.easybeans.api.EasyBeansInvocationContext;
import org.ow2.easybeans.security.propagation.context.SecurityCurrent;
/**
* Push run-as subject for new calls.
* @author Florent Benoit
*/
public class RunAsAccessInterceptor implements EasyBeansInterceptor {
/**
* Adds run-as role before invoking next methods.
* @param invocationContext context with useful attributes on the current
* invocation
* @return result of the next invocation (to chain interceptors)
* @throws Exception if interceptor fails
*/
public Object intercept(final EasyBeansInvocationContext invocationContext) throws Exception {
Subject runAsSubject = invocationContext.getFactory().getBeanInfo().getSecurityInfo().getRunAsSubject();
Subject previousSubject = SecurityCurrent.getCurrent().getSecurityContext().enterRunAs(runAsSubject);
try {
return invocationContext.proceed();
} finally {
SecurityCurrent.getCurrent().getSecurityContext().endsRunAs(previousSubject);
}
}
}