/*
* JBoss, Home of Professional Open Source
* Copyright 2007, 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.ejb3.security.helpers;
import java.security.Principal;
import java.security.PrivilegedActionException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.naming.InitialContext;
import javax.security.auth.Subject;
import javax.security.jacc.PolicyContext;
import org.jboss.ejb3.annotation.SecurityDomain;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData;
import org.jboss.metadata.javaee.spec.SecurityRoleRefMetaData;
import org.jboss.security.RealmMapping;
import org.jboss.security.SecurityContext;
import org.jboss.security.SimplePrincipal;
import org.jboss.security.authorization.PolicyRegistration;
import org.jboss.security.javaee.AbstractEJBAuthorizationHelper;
import org.jboss.security.javaee.SecurityHelperFactory;
import org.jboss.security.javaee.SecurityRoleRef;
/**
* Helper class with programmatic
* security methods in EJBContext
* @author Anil.Saldhana@redhat.com
* @since Apr 17, 2008
* @version $Revision$
*/
public class EJBContextHelper
{
public Principal getCallerPrincipal(SecurityContext sc,
RealmMapping rm, SecurityDomain domain)
{
Principal callerPrincipal = null;
if(sc == null)
{
String unauth = domain.unauthenticatedPrincipal();
if(unauth != null && unauth.length() > 0)
if(domain.unauthenticatedPrincipal() != null)
callerPrincipal = new SimplePrincipal(unauth);
}
else
{
AbstractEJBAuthorizationHelper helper;
try
{
helper = SecurityHelperFactory.getEJBAuthorizationHelper(sc);
helper.setPolicyRegistration(getPolicyRegistration());
}
catch (Exception e)
{
throw new RuntimeException(e);
}
callerPrincipal = helper.getCallerPrincipal();
}
if(callerPrincipal == null)
{
//try the incoming principal
callerPrincipal = sc.getUtil().getUserPrincipal();
if(rm != null)
callerPrincipal = rm.getPrincipal(callerPrincipal);
}
if(callerPrincipal == null)
{
String unauth = domain.unauthenticatedPrincipal();
if(unauth != null && unauth.length() > 0)
if(domain.unauthenticatedPrincipal() != null)
callerPrincipal = new SimplePrincipal(unauth);
}
return callerPrincipal;
}
public boolean isCallerInRole(SecurityContext sc,
SecurityDomain domain,
RealmMapping rm,
JBossEnterpriseBeanMetaData eb,
String roleName,
String ejbName)
{
if(sc == null)
{
try
{
sc = SecurityActions.createSecurityContext(domain.value());
}
catch (PrivilegedActionException e)
{
throw new RuntimeException(e);
}
}
// TODO: this is too slow
Set<SecurityRoleRefMetaData> roleRefs = new HashSet<SecurityRoleRefMetaData>();
if(eb != null)
{
Collection<SecurityRoleRefMetaData> srf = eb.getSecurityRoleRefs();
if(srf != null)
roleRefs.addAll(srf);
}
//TODO: Get rid of this conversion asap
Set<SecurityRoleRef> srset = new HashSet<SecurityRoleRef>();
for(SecurityRoleRefMetaData srmd: roleRefs)
{
srset.add(new SecurityRoleRef(srmd.getRoleName(),srmd.getRoleLink(),null));
}
Principal principal = getCallerPrincipal(sc, rm, domain);
AbstractEJBAuthorizationHelper helper;
try
{
helper = SecurityHelperFactory.getEJBAuthorizationHelper(sc);
helper.setPolicyRegistration(getPolicyRegistration());
}
catch (Exception e)
{
throw new RuntimeException(e);
}
Subject callerSubject = null;
try
{
callerSubject = SecurityActions.getActiveSubject();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
return helper.isCallerInRole(roleName,
ejbName,
principal,
callerSubject,
this.getContextID(),
srset);
}
private PolicyRegistration getPolicyRegistration()
{
PolicyRegistration policyRegistration = null;
try
{
InitialContext ic = new InitialContext();
policyRegistration = (PolicyRegistration) ic.lookup("java:/policyRegistration");
}
catch(Exception e)
{
throw new RuntimeException(e);
}
return policyRegistration;
}
private String getContextID()
{
try
{
return PolicyContext.getContextID();
}
catch(Exception e)
{
throw new RuntimeException(e);
}
}
}