/*
* $Id: RaHelper.java 19191 2010-08-25 21:05:23Z tcarlson $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.jca;
import org.mule.config.i18n.CoreMessages;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Iterator;
import java.util.Set;
import javax.resource.ResourceException;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.security.PasswordCredential;
import javax.security.auth.Subject;
/**
* <code>RaHelper</code> is a collection of helper methods used by this RA
* implementation
*/
// @ThreadSafe
public class RaHelper
{
public static PasswordCredential getPasswordCredential(final ManagedConnectionFactory mcf,
final Subject subject,
ConnectionRequestInfo info)
throws ResourceException
{
if (subject == null)
{
if (info == null)
{
return null;
}
else
{
MuleConnectionRequestInfo muleInfo = (MuleConnectionRequestInfo)info;
// Can't create a PC with null values
if (muleInfo.getUserName() == null || muleInfo.getPassword() == null)
{
// logger.info("\tUtil::GetPasswordCred: User or password is
// null");
return null;
}
char[] password = muleInfo.getPassword().toCharArray();
PasswordCredential pc = new PasswordCredential(muleInfo.getUserName(), password);
pc.setManagedConnectionFactory(mcf);
return pc;
}
}
else
{
PasswordCredential pc = (PasswordCredential)AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
Set creds = subject.getPrivateCredentials(PasswordCredential.class);
Iterator iter = creds.iterator();
while (iter.hasNext())
{
PasswordCredential candidate = (PasswordCredential)iter.next();
if (candidate != null)
{
ManagedConnectionFactory candidatemcf = candidate.getManagedConnectionFactory();
if (candidatemcf != null && candidatemcf.equals(mcf))
{
return candidate;
}
}
}
return null;
}
});
if (pc == null)
{
throw new java.lang.SecurityException(CoreMessages.authNoCredentials().getMessage());
}
else
{
return pc;
}
}
}
}