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/*
* Copyright (c) 2004 - 2012 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.emf.cdo.server.internal.security;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.CDORevisionProvider;
import org.eclipse.emf.cdo.common.security.CDOPermission;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.net4j.CDONet4jSession;
import org.eclipse.emf.cdo.net4j.CDONet4jSessionConfiguration;
import org.eclipse.emf.cdo.net4j.CDONet4jUtil;
import org.eclipse.emf.cdo.security.Realm;
import org.eclipse.emf.cdo.security.RealmUtil;
import org.eclipse.emf.cdo.security.SecurityItem;
import org.eclipse.emf.cdo.security.User;
import org.eclipse.emf.cdo.server.IPermissionManager;
import org.eclipse.emf.cdo.server.IRepository;
import org.eclipse.emf.cdo.server.IStoreAccessor.CommitContext;
import org.eclipse.emf.cdo.server.ITransaction;
import org.eclipse.emf.cdo.server.security.ISecurityManager;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.ManagedRevisionProvider;
import org.eclipse.emf.cdo.spi.server.InternalRepository;
import org.eclipse.emf.cdo.spi.server.InternalSessionManager;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.net4j.Net4jUtil;
import org.eclipse.net4j.acceptor.IAcceptor;
import org.eclipse.net4j.connector.IConnector;
import org.eclipse.net4j.util.container.IManagedContainer;
import org.eclipse.net4j.util.lifecycle.ILifecycle;
import org.eclipse.net4j.util.lifecycle.LifecycleEventAdapter;
import org.eclipse.net4j.util.om.monitor.OMMonitor;
import org.eclipse.net4j.util.security.IUserManager;
import org.eclipse.emf.common.util.EList;
import java.util.HashMap;
import java.util.Map;
/**
* @author Eike Stepper
*/
public class SecurityManager implements ISecurityManager, IUserManager, IPermissionManager,
IRepository.WriteAccessHandler
{
private final InternalRepository repository;
private final String realmPath;
private IManagedContainer container;
private IAcceptor acceptor;
private IConnector connector;
private CDOTransaction transaction;
private Realm realm;
private Map<String, User> users = new HashMap<String, User>();
public SecurityManager(IRepository repository, String realmPath, IManagedContainer container)
{
this.repository = (InternalRepository)repository;
this.realmPath = realmPath;
this.container = container;
init();
}
private void init()
{
String repositoryName = repository.getName();
String acceptorName = repositoryName + "_security";
acceptor = Net4jUtil.getAcceptor(container, "jvm", acceptorName);
connector = Net4jUtil.getConnector(container, "jvm", acceptorName);
CDONet4jSessionConfiguration config = CDONet4jUtil.createNet4jSessionConfiguration();
config.setConnector(connector);
config.setRepositoryName(repositoryName);
CDONet4jSession session = config.openNet4jSession();
transaction = session.openTransaction();
CDOResource resource = transaction.getResource(realmPath);
realm = (Realm)resource.getContents().get(0);
// Wire up with repository
InternalSessionManager sessionManager = repository.getSessionManager();
sessionManager.setUserManager(this);
sessionManager.setPermissionManager(this);
repository.addHandler(this);
repository.addListener(new LifecycleEventAdapter()
{
@Override
protected void onDeactivated(ILifecycle lifecycle)
{
dispose();
}
});
}
private void dispose()
{
users.clear();
realm = null;
transaction.getSession().close();
transaction = null;
connector.close();
connector = null;
acceptor.close();
acceptor = null;
}
public final IRepository getRepository()
{
return repository;
}
public final String getRealmPath()
{
return realmPath;
}
public void addUser(String userID, char[] password)
{
}
public void removeUser(String userID)
{
}
public byte[] encrypt(String userID, byte[] data, String algorithmName, byte[] salt, int count)
throws SecurityException
{
return null;
}
public CDOPermission getPermission(CDORevision revision, CDOBranchPoint securityContext, String userID)
{
User user = getUser(userID);
CDORevisionProvider revisionProvider = new ManagedRevisionProvider(repository.getRevisionManager(), securityContext);
return getPermission(revision, revisionProvider, user);
}
public void handleTransactionBeforeCommitting(ITransaction transaction, CommitContext commitContext, OMMonitor monitor)
throws RuntimeException
{
String userID = commitContext.getUserID();
User user = getUser(userID);
for (InternalCDORevision revision : commitContext.getNewObjects())
{
getPermission(revision, commitContext, user);
}
}
public void handleTransactionAfterCommitted(ITransaction transaction, CommitContext commitContext, OMMonitor monitor)
{
// Do nothing
}
private User getUser(String userID)
{
synchronized (users)
{
User user = users.get(userID);
if (user == null)
{
EList<SecurityItem> items = realm.getItems();
user = RealmUtil.findUser(items, userID);
if (user != null)
{
users.put(userID, user);
}
}
return user;
}
}
private CDOPermission getPermission(CDORevision revision, CDORevisionProvider revisionProvider, User user)
{
return null;
}
}
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