/*
* Copyright (c) 2001 Peter Antman, TiM <peter.antman@tim.se>
*
* This library 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 of the License, or (at your option) any later version
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.xmlBlaster.j2ee.k2;
import java.util.Set;
import java.util.Iterator;
import javax.security.auth.Subject;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.SecurityException;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.security.PasswordCredential;
/**
* Carries user credentials inside this ra.
*
* @author Peter Antman
* @version $Revision: 1.3 $
*/
public class BlasterCred {
/**
* The user name, from either the ConnectionRequestInfo, the Subject or the default configuration.
*/
public String name;
/**
* The password, from either the ConnectionRequestInfo, the Subject or the default configuration.
*/
public String pwd;
public BlasterCred() {
}
/**
* Get our own simple cred.
*
* <p>The search order is this: info, subject, default config from mcf. If no user is found in any of these a SecurityException is thrown.
*/
public static BlasterCred getBlasterCred(ManagedConnectionFactory mcf,
Subject subject,
ConnectionRequestInfo info)
throws SecurityException {
String defaultUser = ((BlasterManagedConnectionFactory)mcf).getUserName();
String password = ((BlasterManagedConnectionFactory)mcf).getPassword();
BlasterCred bc = new BlasterCred();
if (subject == null && info !=null ) {
// Credentials specifyed on connection request
bc.name = ((BlasterConnectionRequestInfo)info).getUserName();
bc.pwd = ((BlasterConnectionRequestInfo)info).getPassword();
} else if (subject != null) {
// Credentials from appserver
Set creds =
subject.getPrivateCredentials(PasswordCredential.class);
PasswordCredential pwdc = null;
Iterator credentials = creds.iterator();
while(credentials.hasNext()) {
PasswordCredential curCred =
(PasswordCredential) credentials.next();
if (curCred.getManagedConnectionFactory().equals(mcf)) {
pwdc = curCred;
break;
}
}
if(pwdc != null) {
bc.name = pwdc.getUserName();
bc.pwd = new String(pwdc.getPassword());
}
}
// Check if we have username at all
// If both derived and default is empty we are fucked
if (bc.name == null && defaultUser == null)
throw new SecurityException("No Subject or ConnectionRequestInfo set, not even default values available. Could not get credentials");
else if (bc.name == null) {
// We do know tha default user is not null if we are here
bc.name = defaultUser;
bc.pwd = password;
}
// Either we had a name in bc or in defaultUser ;-)
return bc;
}
} // BlasterCred