/*
* 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.plugins.cmp.jdbc.bridge;
import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
import java.security.Principal;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.lang.reflect.UndeclaredThrowableException;
import javax.security.auth.Subject;
import javax.security.jacc.PolicyContext;
import javax.security.jacc.PolicyContextException;
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 <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
* @author Anil.Saldhana@redhat.com
* @version $Revison: $
*/
class SecurityActions
{
interface RunAsIdentityActions
{
RunAsIdentityActions PRIVILEGED = new RunAsIdentityActions()
{
private final PrivilegedAction peekAction = new PrivilegedAction()
{
public Object run()
{
//return SecurityAssociation.peekRunAsIdentity();
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getOutgoingRunAs();
}
};
private final PrivilegedAction popAction = new PrivilegedAction()
{
public Object run()
{
//return SecurityAssociation.popRunAsIdentity();
SecurityContext sc = SecurityContextAssociation.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((RunAsIdentity)id);
SecurityContext sa = SecurityContextAssociation.getSecurityContext();
if(sa == null)
throw new IllegalStateException("Security Context is null to push runas");
sa.setOutgoingRunAs(id);
return null;
}
}
);
}
public RunAs pop()
{
return (RunAs)AccessController.doPrivileged(popAction);
}
};
RunAsIdentityActions NON_PRIVILEGED = new RunAsIdentityActions()
{
public RunAs peek()
{
//return SecurityAssociation.peekRunAsIdentity();
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getOutgoingRunAs();
}
public void push(RunAs id)
{
//SecurityAssociation.pushRunAsIdentity(id);
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null to push runas");
sc.setOutgoingRunAs(id);
}
public RunAs pop()
{
//Pop the RAI
// return SecurityAssociation.popRunAsIdentity();
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
RunAs ra = null;
ra = sc.getOutgoingRunAs();
sc.setOutgoingRunAs(null);
return ra;
}
};
RunAs peek();
void push(RunAs id);
RunAs pop();
}
interface PolicyContextActions
{
/** The JACC PolicyContext key for the current Subject */
static final String SUBJECT_CONTEXT_KEY = "javax.security.auth.Subject.container";
PolicyContextActions PRIVILEGED = new PolicyContextActions()
{
private final PrivilegedExceptionAction exAction = new PrivilegedExceptionAction()
{
public Object run() throws Exception
{
return (Subject) PolicyContext.getContext(SUBJECT_CONTEXT_KEY);
}
};
public Subject getContextSubject()
throws PolicyContextException
{
try
{
return (Subject) AccessController.doPrivileged(exAction);
}
catch(PrivilegedActionException e)
{
Exception ex = e.getException();
if( ex instanceof PolicyContextException )
throw (PolicyContextException) ex;
else
throw new UndeclaredThrowableException(ex);
}
}
};
PolicyContextActions NON_PRIVILEGED = new PolicyContextActions()
{
public Subject getContextSubject()
throws PolicyContextException
{
return (Subject) PolicyContext.getContext(SUBJECT_CONTEXT_KEY);
}
};
Subject getContextSubject()
throws PolicyContextException;
}
static ClassLoader getContextClassLoader()
{
return TCLAction.UTIL.getContextClassLoader();
}
static void setContextClassLoader(ClassLoader loader)
{
TCLAction.UTIL.setContextClassLoader(loader);
}
static RunAs peekRunAsIdentity()
{
if(System.getSecurityManager() == null)
{
return RunAsIdentityActions.NON_PRIVILEGED.peek();
}
else
{
return RunAsIdentityActions.PRIVILEGED.peek();
}
}
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();
}
}
static Subject getContextSubject()
throws PolicyContextException
{
if(System.getSecurityManager() == null)
{
return PolicyContextActions.NON_PRIVILEGED.getContextSubject();
}
else
{
return PolicyContextActions.PRIVILEGED.getContextSubject();
}
}
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);
}
static void createAndSetSecurityContext(final Principal p, final Object cred, final String domain)
throws PrivilegedActionException
{
AccessController.doPrivileged(new PrivilegedExceptionAction(){
public Object run() throws Exception
{
SecurityContext sc = SecurityContextFactory.createSecurityContext(p, cred, null, domain);
SecurityContextAssociation.setSecurityContext(sc);
return null;
}});
}
static void createAndSetSecurityContext(final Principal p, final Object cred, final String domain,
final Subject subject) throws PrivilegedActionException
{
AccessController.doPrivileged(new PrivilegedExceptionAction(){
public Object run() throws Exception
{
SecurityContext sc = SecurityContextFactory.createSecurityContext(domain);
sc.getUtil().createSubjectInfo(p, cred, subject);
SecurityContextAssociation.setSecurityContext(sc);
return null;
}});
}
static void clearSecurityContext()
{
AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
SecurityContextAssociation.setSecurityContext(null);
return null;
}});
}
static SecurityContext getSecurityContext()
{
return (SecurityContext)AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
return SecurityContextAssociation.getSecurityContext();
}
});
}
static Exception getContextException()
{
return (Exception)AccessController.doPrivileged(new PrivilegedAction()
{
static final String EX_KEY = "org.jboss.security.exception";
public Object run()
{
SecurityContext sc = getSecurityContext();
return sc.getData().get(EX_KEY);
}
});
}
static void pushSubjectContext(final Principal p, final Object cred, final Subject s)
{
AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.getUtil().createSubjectInfo(p, cred, s);
return null;
}}
);
}
static void popSubjectContext()
{
AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
Principal p = sc.getUtil().getUserPrincipal();
Object cred = sc.getUtil().getCredential();
sc.getUtil().createSubjectInfo(p, cred,null);
return null;
}}
);
}
static void pushCallerRunAsIdentity(final RunAs ra)
{
AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.setIncomingRunAs(ra);
return null;
}
});
}
static void popCallerRunAsIdentity()
{
AccessController.doPrivileged(new PrivilegedAction(){
public Object run()
{
SecurityContext sc = SecurityContextAssociation.getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.setIncomingRunAs(null);
return null;
}
});
}
}