/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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.ejb.txtimer;
import java.security.PrivilegedAction;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import org.jboss.security.RunAs;
import org.jboss.security.SecurityContext;
import org.jboss.security.SecurityContextFactory;
import org.jboss.security.SecurityContextAssociation;
/**
* A collection of privileged actions for this package
*
* @author Scott.Stark@jboss.org
* @author Anil.Saldhana@redhat.com
* @version $Revision: 81030 $
*/
public class SecurityActions
{
interface RunAsIdentityActions
{
RunAsIdentityActions PRIVILEGED = new RunAsIdentityActions()
{
private final PrivilegedAction peekAction = new PrivilegedAction()
{
public Object run()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getOutgoingRunAs();
//return SecurityAssociation.peekRunAsIdentity();
}
};
private final PrivilegedAction popAction = new PrivilegedAction()
{
public Object run()
{
//return SecurityAssociation.popRunAsIdentity();
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
RunAs ra = sc.getOutgoingRunAs();
sc.setOutgoingRunAs(null);
return ra;
}
};
public RunAs peek()
{
return (RunAs)AccessController.doPrivileged(peekAction);
}
public void push(final RunAs id)
{
AccessController.doPrivileged(
new PrivilegedAction()
{
public Object run()
{
//SecurityAssociation.pushRunAsIdentity(id);
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.setOutgoingRunAs(id);
return null;
}
}
);
}
public RunAs pop()
{
return (RunAs)AccessController.doPrivileged(popAction);
}
};
RunAsIdentityActions NON_PRIVILEGED = new RunAsIdentityActions()
{
public RunAs peek()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getOutgoingRunAs();
//return SecurityAssociation.peekRunAsIdentity();
}
public void push(RunAs id)
{
//SecurityAssociation.pushRunAsIdentity(id);
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.setOutgoingRunAs(id);
}
public RunAs pop()
{
//return SecurityAssociation.popRunAsIdentity();
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
RunAs ra = sc.getOutgoingRunAs();
sc.setOutgoingRunAs(null);
return ra;
}
};
RunAs peek();
void push(RunAs id);
RunAs pop();
}
static ClassLoader getContextClassLoader()
{
return TCLAction.UTIL.getContextClassLoader();
}
static ClassLoader getContextClassLoader(Thread thread)
{
return TCLAction.UTIL.getContextClassLoader(thread);
}
static SecurityContext createSecurityContext(final String securityDomain)
throws PrivilegedActionException
{
return (SecurityContext)AccessController.doPrivileged(new PrivilegedExceptionAction()
{
public Object run() throws Exception
{
SecurityContext sc = SecurityContextFactory.createSecurityContext(securityDomain);
SecurityContextAssociation.setSecurityContext(sc);
return sc;
}
});
}
static SecurityContext getSecurityContext()
{
return (SecurityContext) AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
return SecurityContextAssociation.getSecurityContext();
}});
}
static void setSecurityContext(final SecurityContext sc)
{
AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
SecurityContextAssociation.setSecurityContext(sc);
return null;
}});
}
static void setContextClassLoader(ClassLoader loader)
{
TCLAction.UTIL.setContextClassLoader(loader);
}
static void setContextClassLoader(Thread thread, ClassLoader loader)
{
TCLAction.UTIL.setContextClassLoader(thread, loader);
}
static void pushRunAsIdentity(RunAs principal)
{
if(System.getSecurityManager() == null)
{
RunAsIdentityActions.NON_PRIVILEGED.push(principal);
}
else
{
RunAsIdentityActions.PRIVILEGED.push(principal);
}
}
static RunAs popRunAsIdentity()
{
if(System.getSecurityManager() == null)
{
return RunAsIdentityActions.NON_PRIVILEGED.pop();
}
else
{
return RunAsIdentityActions.PRIVILEGED.pop();
}
}
interface TCLAction
{
class UTIL
{
static TCLAction getTCLAction()
{
return System.getSecurityManager() == null ? NON_PRIVILEGED : PRIVILEGED;
}
static ClassLoader getContextClassLoader()
{
return getTCLAction().getContextClassLoader();
}
static ClassLoader getContextClassLoader(Thread thread)
{
return getTCLAction().getContextClassLoader(thread);
}
static void setContextClassLoader(ClassLoader cl)
{
getTCLAction().setContextClassLoader(cl);
}
static void setContextClassLoader(Thread thread, ClassLoader cl)
{
getTCLAction().setContextClassLoader(thread, cl);
}
}
TCLAction NON_PRIVILEGED = new TCLAction()
{
public ClassLoader getContextClassLoader()
{
return Thread.currentThread().getContextClassLoader();
}
public ClassLoader getContextClassLoader(Thread thread)
{
return thread.getContextClassLoader();
}
public void setContextClassLoader(ClassLoader cl)
{
Thread.currentThread().setContextClassLoader(cl);
}
public void setContextClassLoader(Thread thread, ClassLoader cl)
{
thread.setContextClassLoader(cl);
}
};
TCLAction PRIVILEGED = new TCLAction()
{
private final PrivilegedAction getTCLPrivilegedAction = new PrivilegedAction()
{
public Object run()
{
return Thread.currentThread().getContextClassLoader();
}
};
public ClassLoader getContextClassLoader()
{
return (ClassLoader)AccessController.doPrivileged(getTCLPrivilegedAction);
}
public ClassLoader getContextClassLoader(final Thread thread)
{
return (ClassLoader)AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
return thread.getContextClassLoader();
}
});
}
public void setContextClassLoader(final ClassLoader cl)
{
AccessController.doPrivileged(
new PrivilegedAction()
{
public Object run()
{
Thread.currentThread().setContextClassLoader(cl);
return null;
}
}
);
}
public void setContextClassLoader(final Thread thread, final ClassLoader cl)
{
AccessController.doPrivileged(
new PrivilegedAction()
{
public Object run()
{
thread.setContextClassLoader(cl);
return null;
}
}
);
}
};
ClassLoader getContextClassLoader();
ClassLoader getContextClassLoader(Thread thread);
void setContextClassLoader(ClassLoader cl);
void setContextClassLoader(Thread thread, ClassLoader cl);
}
}