| /******************************************************************************* |
| * Copyright (c) 2003, 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.osgi.internal.permadmin; |
| |
| import java.io.IOException; |
| import java.security.*; |
| import org.eclipse.osgi.framework.adaptor.PermissionStorage; |
| |
| /** |
| * PermissionStorage privileged action class. |
| */ |
| |
| public class SecurePermissionStorage implements PermissionStorage, PrivilegedExceptionAction { |
| private PermissionStorage storage; |
| private String location; |
| private String[] data; |
| private String[] infos; |
| private int action; |
| private static final int GET = 1; |
| private static final int SET = 2; |
| private static final int LOCATION = 3; |
| private static final int GET_INFOS = 4; |
| private static final int SAVE_INFOS = 5; |
| |
| public SecurePermissionStorage(PermissionStorage storage) { |
| this.storage = storage; |
| } |
| |
| public Object run() throws IOException { |
| switch (action) { |
| case GET : |
| return storage.getPermissionData(location); |
| case SET : |
| storage.setPermissionData(location, data); |
| return null; |
| case LOCATION : |
| return storage.getLocations(); |
| case SAVE_INFOS : |
| storage.saveConditionalPermissionInfos(infos); |
| return null; |
| case GET_INFOS : |
| return storage.getConditionalPermissionInfos(); |
| } |
| |
| throw new UnsupportedOperationException(); |
| } |
| |
| public String[] getPermissionData(String location) throws IOException { |
| this.location = location; |
| this.action = GET; |
| |
| try { |
| return (String[]) AccessController.doPrivileged(this); |
| } catch (PrivilegedActionException e) { |
| throw (IOException) e.getException(); |
| } |
| } |
| |
| public String[] getLocations() throws IOException { |
| this.action = LOCATION; |
| |
| try { |
| return (String[]) AccessController.doPrivileged(this); |
| } catch (PrivilegedActionException e) { |
| throw (IOException) e.getException(); |
| } |
| } |
| |
| public void setPermissionData(String location, String[] data) throws IOException { |
| this.location = location; |
| this.data = data; |
| this.action = SET; |
| |
| try { |
| AccessController.doPrivileged(this); |
| } catch (PrivilegedActionException e) { |
| throw (IOException) e.getException(); |
| } |
| } |
| |
| public void saveConditionalPermissionInfos(String[] infos) throws IOException { |
| this.action = SAVE_INFOS; |
| this.infos = infos; |
| try { |
| AccessController.doPrivileged(this); |
| } catch (PrivilegedActionException e) { |
| throw (IOException) e.getException(); |
| } |
| |
| } |
| |
| public String[] getConditionalPermissionInfos() throws IOException { |
| this.action = GET_INFOS; |
| try { |
| return (String[]) AccessController.doPrivileged(this); |
| } catch (PrivilegedActionException e) { |
| throw (IOException) e.getException(); |
| } |
| } |
| } |