/*
* 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.security.javaee;
import java.security.Principal;
import java.util.Map;
import javax.security.auth.Subject;
import org.jboss.security.SecurityContext;
import org.jboss.security.audit.AuditLevel;
import org.jboss.security.identitytrust.IdentityTrustException;
import org.jboss.security.identitytrust.IdentityTrustManager;
import org.jboss.security.identitytrust.IdentityTrustManager.TrustDecision;
/**
* Helper Class for EJB Authentication
* @author Anil.Saldhana@redhat.com
* @since Apr 18, 2008
* @version $Revision$
*/
public class EJBAuthenticationHelper extends AbstractJavaEEHelper
{
public EJBAuthenticationHelper(SecurityContext sc)
{
if(sc == null)
throw new IllegalArgumentException("sc is null");
this.securityContext = sc;
}
/**
* Whether the current caller can be trusted?
* @return true - trust the caller, false - otherwise
* @throws IdentityTrustException
*/
public boolean isTrusted() throws IdentityTrustException
{
TrustDecision td = TrustDecision.NotApplicable;
IdentityTrustManager itm = securityContext.getIdentityTrustManager();
if(itm != null)
{
td = itm.isTrusted(securityContext);
if(td == TrustDecision.Deny)
throw new IdentityTrustException("Caller denied by identity trust framework");
}
return td == TrustDecision.Permit;
}
/**
* Authenticate the caller
* @param p
* @param cred
* @return
* @throws IllegalArgumentException subject or methodName is null
*/
public boolean isValid(Subject subject, String methodName)
{
if(subject == null)
throw new IllegalArgumentException("subject is null");
if(methodName == null)
throw new IllegalArgumentException("methodName is null");
Principal p = securityContext.getUtil().getUserPrincipal();
Object cred = securityContext.getUtil().getCredential();
Map<String,Object> cMap = getContextMap(p, methodName);
boolean auth = securityContext.getAuthenticationManager().isValid(p, cred, subject);
if(auth == false)
{
// Check for the security association exception
String EX_KEY = "org.jboss.security.exception";
Exception ex = (Exception) securityContext.getData().get(EX_KEY);
audit(AuditLevel.ERROR, cMap ,ex);
if(ex == null)
{
audit(AuditLevel.FAILURE,cMap,null);
}
}
else
{
audit(AuditLevel.SUCCESS,cMap,null);
}
return auth;
}
/**
* Push the authenticated subject onto the security context
* IMPORTANT - this needs to be done after the isValid call
*/
public void pushSubjectContext(Subject subject)
{
securityContext.getSubjectInfo().setAuthenticatedSubject(subject);
}
}