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/*
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.security;
import org.eclipse.net4j.util.ReflectUtil.ExcludeFromDump;
import org.eclipse.net4j.util.io.IORuntimeException;
import org.eclipse.net4j.util.lifecycle.Lifecycle;
import java.util.HashMap;
import java.util.Map;
/**
* @author Eike Stepper
*/
public class UserManager extends Lifecycle implements IUserManager
{
@ExcludeFromDump
protected transient Map<String, char[]> users = new HashMap<String, char[]>();
public UserManager()
{
}
public synchronized void addUser(String userID, char[] password)
{
users.put(userID, password);
save(users);
}
public synchronized void removeUser(String userID)
{
if (users.remove(userID) != null)
{
save(users);
}
}
/**
* @since 2.0
*/
public byte[] encrypt(String userID, byte[] data, String algorithmName, byte[] salt, int count)
throws SecurityException
{
char[] password;
synchronized (this)
{
password = users.get(userID);
}
if (password == null)
{
throw new SecurityException("No such user: " + userID); //$NON-NLS-1$
}
try
{
return SecurityUtil.encrypt(data, password, algorithmName, salt, count);
}
catch (RuntimeException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new SecurityException(ex);
}
}
@Override
protected void doActivate() throws Exception
{
super.doActivate();
load(users);
}
@Override
protected void doDeactivate() throws Exception
{
users.clear();
super.doDeactivate();
}
protected void load(Map<String, char[]> users) throws IORuntimeException
{
}
protected void save(Map<String, char[]> users) throws IORuntimeException
{
}
}
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