/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.security;
import java.security.AccessController;
import java.security.Principal;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import javax.security.auth.Subject;
/** A PrivilegedAction implementation for setting the SecurityAssociation
* principal and credential
*
* @author Scott.Stark@jboss.org
* @version $Revison:$
*/
class SecurityAssociationActions
{
private static class SetPrincipalInfoAction implements PrivilegedAction<Object>
{
Principal principal;
Object credential;
Subject subject;
SetPrincipalInfoAction(Principal principal, Object credential, Subject subject)
{
this.principal = principal;
this.credential = credential;
this.subject = subject;
}
public Object run()
{
//Always create a new security context
SecurityContext sc = null;
try
{
sc = SecurityContextFactory.createSecurityContext(principal,
credential, subject, "CLIENT_LOGIN_MODULE");
}
catch (Exception e)
{
throw new RuntimeException(e);
}
setSecurityContext(sc);
credential = null;
principal = null;
subject = null;
return null;
}
}
private static class PopPrincipalInfoAction implements PrivilegedAction<Object>
{
public Object run()
{
if(!getServer())
popSecurityContext();
return null;
}
}
private static class ClearAction implements PrivilegedAction<Object>
{
static PrivilegedAction<Object> ACTION = new ClearAction();
public Object run()
{
if(!getServer())
SecurityContextAssociation.clearSecurityContext();
return null;
}
}
private static class GetSubjectAction implements PrivilegedAction<Subject>
{
static PrivilegedAction<Subject> ACTION = new GetSubjectAction();
public Subject run()
{
Subject subject = SecurityContextAssociation.getSubject();
return subject;
}
}
private static class GetPrincipalAction implements PrivilegedAction<Principal>
{
static PrivilegedAction<Principal> ACTION = new GetPrincipalAction();
public Principal run()
{
Principal principal = SecurityContextAssociation.getPrincipal();
return principal;
}
}
private static class GetCredentialAction implements PrivilegedAction<Object>
{
static PrivilegedAction<Object> ACTION = new GetCredentialAction();
public Object run()
{
Object credential = SecurityContextAssociation.getCredential();
return credential;
}
}
static void clearSecurityContext(final SecurityContext sc)
{
AccessController.doPrivileged(new PrivilegedAction<Object>()
{
public Object run()
{
SecurityContextAssociation.clearSecurityContext();
return null;
}
});
}
static void setSecurityContext(final SecurityContext sc)
{
AccessController.doPrivileged(new PrivilegedAction<Object>()
{
public Object run()
{
SecurityContextAssociation.setSecurityContext(sc);
return null;
}
});
}
static SecurityContext getSecurityContext()
{
return AccessController.doPrivileged(new PrivilegedAction<SecurityContext>()
{
public SecurityContext run()
{
return SecurityContextAssociation.getSecurityContext();
}
});
}
static void pushSecurityContext(final Principal p, final Object cred,
final Subject subject, final String securityDomain)
{
AccessController.doPrivileged(new PrivilegedAction<Object>()
{
public Object run()
{
SecurityContext sc;
try
{
sc = SecurityContextFactory.createSecurityContext(p, cred,
subject, securityDomain);
}
catch (Exception e)
{
throw new RuntimeException(e);
}
setSecurityContext(sc);
return null;
}
});
}
static void popSecurityContext()
{
AccessController.doPrivileged(new PrivilegedAction<Object>()
{
public Object run()
{
SecurityContext sc = getSecurityContext();
if (sc != null)
{
sc.getUtil().createSubjectInfo(null, null, null);
}
return null;
}
});
}
static void setPrincipalInfo(Principal principal, Object credential, Subject subject)
{
SetPrincipalInfoAction action = new SetPrincipalInfoAction(principal, credential, subject);
AccessController.doPrivileged(action);
}
static void popPrincipalInfo()
{
PopPrincipalInfoAction action = new PopPrincipalInfoAction();
AccessController.doPrivileged(action);
}
static Boolean getServer()
{
return AccessController.doPrivileged(new PrivilegedAction<Boolean>()
{
public Boolean run()
{
return !SecurityContextAssociation.isClient();
}
});
}
static void setClient()
{
AccessController.doPrivileged(new PrivilegedAction<Object>()
{
public Object run()
{
SecurityContextAssociation.setClient();
return null;
}
});
}
static void clear()
{
AccessController.doPrivileged(ClearAction.ACTION);
}
static Subject getSubject()
{
Subject subject = (Subject) AccessController.doPrivileged(GetSubjectAction.ACTION);
return subject;
}
static Principal getPrincipal()
{
Principal principal = (Principal) AccessController.doPrivileged(GetPrincipalAction.ACTION);
return principal;
}
static Object getCredential()
{
Object credential = AccessController.doPrivileged(GetCredentialAction.ACTION);
return credential;
}
static SecurityContext createSecurityContext(final String securityDomain)
throws PrivilegedActionException
{
return AccessController.doPrivileged(new PrivilegedExceptionAction<SecurityContext>()
{
public SecurityContext run() throws Exception
{
return SecurityContextFactory.createSecurityContext(securityDomain);
}
});
}
}