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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.skynet.core;
import java.util.logging.Level;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osee.framework.core.client.ClientSessionManager;
import org.eclipse.osee.framework.core.data.SystemUser;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeStateException;
import org.eclipse.osee.framework.core.exception.UserNotInDatabase;
import org.eclipse.osee.framework.core.operation.Operations;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.plugin.core.util.IExceptionableRunnable;
import org.eclipse.osee.framework.plugin.core.util.Jobs;
import org.eclipse.osee.framework.skynet.core.artifact.BranchManager;
import org.eclipse.osee.framework.skynet.core.event.OseeEventManager;
import org.eclipse.osee.framework.skynet.core.event.model.AccessControlEvent;
import org.eclipse.osee.framework.skynet.core.event.model.AccessControlEventType;
import org.eclipse.osee.framework.skynet.core.internal.Activator;
import org.eclipse.osee.framework.skynet.core.transaction.SkynetTransaction;
/**
* @author Roberto E. Escobar
*/
final class ClientUser {
private static final ClientUser instance = new ClientUser();
private User currentUser;
private boolean isGuestNotificationAllowed;
private boolean isGuestAuthenticationAllowed;
private ClientUser() {
this.currentUser = null;
this.isGuestAuthenticationAllowed = true;
this.isGuestNotificationAllowed = true;
}
static synchronized User getMainUser() throws OseeCoreException {
if (!ClientSessionManager.isSessionValid() || instance.currentUser == null) {
instance.populateCurrentUser();
if (!instance.currentUser.isActive()) {
instance.currentUser.setActive(true);
instance.currentUser.persist();
}
}
return instance.currentUser;
}
private void populateCurrentUser() throws OseeCoreException {
ClientSessionManager.ensureSessionCreated();
if (ClientSessionManager.isSessionValid()) {
String userId = ClientSessionManager.getSession().getUserId();
try {
if (userId.equals(SystemUser.BootStrap.getUserID())) {
setCurrentUser(BootStrapUser.getInstance());
} else {
if (ClientSessionManager.isUserCreationRequired()) {
SkynetTransaction transaction =
new SkynetTransaction(BranchManager.getCommonBranch(), "Populate current user");
UserManager.createMainUser(ClientSessionManager.getCurrentUserInfo(), transaction);
setCurrentUser(UserManager.getUserByUserId(ClientSessionManager.getCurrentUserInfo().getUserID()));
Operations.executeWorkAndCheckStatus(transaction);
ClientSessionManager.clearUserCreationRequired();
} else {
setCurrentUser(UserManager.getUserByUserId(ClientSessionManager.getCurrentUserInfo().getUserID()));
}
}
} catch (UserNotInDatabase ex) {
executeGuestLogin();
}
} else {
executeGuestLogin();
}
}
private void setCurrentUser(User newUser) throws OseeStateException {
this.currentUser = newUser;
if (newUser == null) {
throw new OseeStateException("Setting current user to null.");
} else {
if (isGuestNotificationAllowed && newUser.getName().equals(SystemUser.Guest.getName())) {
isGuestNotificationAllowed = false;
OseeLog.log(Activator.class, Level.INFO,
"You are logged into OSEE as \"Guest\". If this is unexpected notify your OSEE admin");
}
}
if (ClientSessionManager.isSessionValid()) {
notifyListeners();
}
}
private void executeGuestLogin() throws OseeCoreException {
if (isGuestAuthenticationAllowed) {
ClientSessionManager.authenticateAsGuest();
setCurrentUser(UserManager.getUser(SystemUser.Guest));
isGuestAuthenticationAllowed = false;
}
}
private void notifyListeners() {
Jobs.runInJob("Osee User Authenticated", new IExceptionableRunnable() {
@Override
public IStatus run(IProgressMonitor monitor) throws Exception {
AccessControlEvent event = new AccessControlEvent();
event.setEventType(AccessControlEventType.UserAuthenticated);
OseeEventManager.kickAccessControlArtifactsEvent(this, event);
return Status.OK_STATUS;
}
}, Activator.class, Activator.PLUGIN_ID);
}
}
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