| /* |
| * Copyright (c) 2008-2012, 2015 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.connector; |
| |
| import org.eclipse.net4j.util.security.INegotiatorAware; |
| import org.eclipse.net4j.util.security.IPasswordCredentialsProvider; |
| import org.eclipse.net4j.util.security.ResponseNegotiator; |
| import org.eclipse.net4j.util.security.ResponseNegotiatorInjector; |
| import org.eclipse.net4j.util.security.SecurityUtil; |
| |
| /** |
| * Injects a configurable response negotiator into selected client connectors. |
| * <p> |
| * An example: |
| * |
| * <pre> |
| * IManagedContainer container = IPluginContainer.INSTANCE; |
| * |
| * String connectorDescription = "localhost:2036"; |
| * String userID = "name"; |
| * String password = "secret"; |
| * |
| * IPasswordCredentialsProvider credentialsProvider = new PasswordCredentialsProvider(userID, password); |
| * |
| * container.addPostProcessor(new ConnectorCredentialsInjector(connectorDescription, credentialsProvider)); |
| * IConnector connector = (IConnector)container.getElement("org.eclipse.net4j.connectors", "tcp", connectorDescription); |
| * |
| * IChannel channel = connector.openChannel(); |
| * // ... |
| * </pre> |
| * |
| * @author Eike Stepper |
| * @since 2.0 |
| */ |
| public class ConnectorCredentialsInjector extends ResponseNegotiatorInjector |
| { |
| private String connectorDescription; |
| |
| /** |
| * @param connectorDescription |
| * The description of the IConnector that the negotiator shall be injected into, or <code>null</code> to |
| * bypass the description check. |
| */ |
| public ConnectorCredentialsInjector(String connectorDescription, IPasswordCredentialsProvider credentialsProvider, |
| String algorithmName) |
| { |
| super(createNegotiator(credentialsProvider, algorithmName)); |
| this.connectorDescription = connectorDescription; |
| } |
| |
| /** |
| * @param connectorDescription |
| * The description of the IConnector that the negotiator shall be injected into, or <code>null</code> to |
| * bypass the description check. |
| */ |
| public ConnectorCredentialsInjector(String connectorDescription, IPasswordCredentialsProvider credentialsProvider) |
| { |
| this(connectorDescription, credentialsProvider, SecurityUtil.PBE_WITH_MD5_AND_DES); |
| } |
| |
| @Override |
| protected boolean filterElement(String productGroup, String factoryType, String description, |
| INegotiatorAware negotiatorAware) |
| { |
| if (negotiatorAware instanceof IConnector) |
| { |
| IConnector connector = (IConnector)negotiatorAware; |
| if (connector.isClient()) |
| { |
| return filterConnectorDescription(description); |
| } |
| } |
| |
| return false; |
| } |
| |
| protected boolean filterConnectorDescription(String description) |
| { |
| if (connectorDescription == null) |
| { |
| return true; |
| } |
| |
| return connectorDescription.equals(description); |
| } |
| |
| private static ResponseNegotiator createNegotiator(IPasswordCredentialsProvider credentialsProvider, |
| String algorithmName) |
| { |
| ResponseNegotiator negotiator = new ResponseNegotiator(); |
| negotiator.setCredentialsProvider(credentialsProvider); |
| negotiator.setEncryptionAlgorithmName(algorithmName); |
| return negotiator; |
| } |
| } |