| /* |
| * Copyright (c) 2013 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: |
| * Christian W. Damus (CEA LIST) - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.server.internal.net4j.protocol; |
| |
| import org.eclipse.emf.cdo.common.protocol.CDOProtocolConstants; |
| |
| import org.eclipse.net4j.signal.RemoteException; |
| import org.eclipse.net4j.signal.RequestWithMonitoring; |
| import org.eclipse.net4j.util.io.ExtendedDataInputStream; |
| import org.eclipse.net4j.util.io.ExtendedDataOutputStream; |
| import org.eclipse.net4j.util.om.monitor.OMMonitor; |
| import org.eclipse.net4j.util.security.CredentialsUpdateOperation; |
| import org.eclipse.net4j.util.security.DiffieHellman.Client.Response; |
| import org.eclipse.net4j.util.security.DiffieHellman.Server.Challenge; |
| import org.eclipse.net4j.util.security.NotAuthenticatedException; |
| |
| /** |
| * Server-initiated request to change the user's password. It incorporates and extends the |
| * authentication challenge (the current credentials must be verified in the same operation). |
| * |
| * @since 4.3 |
| * @author Christian W. Damus (CEA LIST) |
| */ |
| public class CredentialsChallengeRequest extends RequestWithMonitoring<Response> |
| { |
| private Challenge challenge; |
| |
| private String userID; |
| |
| private CredentialsUpdateOperation operation; |
| |
| public CredentialsChallengeRequest(CDOServerProtocol protocol, Challenge challenge, String userID, |
| CredentialsUpdateOperation operation) |
| { |
| super(protocol, CDOProtocolConstants.SIGNAL_CREDENTIALS_CHALLENGE); |
| this.challenge = challenge; |
| this.userID = userID; |
| this.operation = operation; |
| } |
| |
| @Override |
| protected void requesting(ExtendedDataOutputStream out, OMMonitor monitor) throws Exception |
| { |
| out.writeEnum(operation); |
| out.writeString(userID); |
| challenge.write(out); |
| } |
| |
| @Override |
| protected Response confirming(ExtendedDataInputStream in, OMMonitor monitor) throws Exception |
| { |
| Response result = null; |
| |
| try |
| { |
| if (in.readBoolean()) |
| { |
| result = new Response(in); |
| } |
| } |
| catch (RemoteException ex) |
| { |
| // User may have cancelled the change-password operation |
| if (!(ex.getCause() instanceof NotAuthenticatedException)) |
| { |
| throw ex; |
| } |
| } |
| catch (Exception ex) |
| { |
| // User may have cancelled the change-password operation |
| if (!(ex instanceof NotAuthenticatedException)) |
| { |
| throw ex; |
| } |
| } |
| |
| return result; |
| } |
| } |