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/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.picketbox.plugins.vault;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.jboss.security.PicketBoxLogger;
import org.jboss.security.PicketBoxMessages;
import org.picketbox.util.StringUtil;
/**
* Security vault data store with version serialized data storage.
*
* @author Peter Skopek (pskopek_at_redhat_dot_com)
*
*/
public class SecurityVaultData implements Serializable {
/**
* Do not change this suid, it is used for handling different versions of serialized data.
*/
private static final long serialVersionUID = 1L;
/**
* Version to denote actual version of SecurityVaultData object.
*/
private static final int VERSION = 1;
private transient Map vaultData = new ConcurrentHashMap();
/**
* Default constructor.
*/
public SecurityVaultData() {
}
/**
* Writes object to the ObjectOutputSteream.
*
* @param oos
* @throws IOException
*/
private void writeObject(ObjectOutputStream oos) throws IOException {
oos.writeObject(new Integer(VERSION));
oos.writeObject(vaultData);
}
/**
* Reads object from the ObjectInputStream. This method needs to be changed when implementing
* changes in data and {@link VERSION} is changed.
*
* @param ois
* @throws IOException
* @throws ClassNotFoundException
*/
@SuppressWarnings("unchecked")
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
int version = (Integer) ois.readObject();
if (PicketBoxLogger.LOGGER.isDebugEnabled()) {
PicketBoxLogger.LOGGER.securityVaultContentVersion(String.valueOf(version), String.valueOf(VERSION));
}
if (version == 1) {
this.vaultData = (Map)ois.readObject();
}
else {
throw PicketBoxMessages.MESSAGES.unrecognizedVaultContentVersion(String.valueOf(version), "1", String.valueOf(VERSION));
}
}
/**
* Retrieves the data stored in vault storage.
*
* @param keyAlias - currently not used (for possible future extension)
* @param vaultBlock
* @param attributeName
* @return
*/
byte[] getVaultData(String keyAlias, String vaultBlock, String attributeName) {
return vaultData.get(dataKey(keyAlias, vaultBlock, attributeName));
}
/**
*
* @param keyAlias
* @param vaultBlock
* @param attributeName
* @param encryptedData
*/
void addVaultData(String keyAlias, String vaultBlock, String attributeName, byte[] encryptedData) {
vaultData.put(dataKey(keyAlias, vaultBlock, attributeName), encryptedData);
}
/**
* Removes data stored in vault storage.
* @param keyAlias
* @param vaultBlock
* @param attributeName
* @return true when vault data has been removed successfully, otherwise false
*/
boolean deleteVaultData(String keyAlias, String vaultBlock, String attributeName) {
if (vaultData.remove(dataKey(keyAlias, vaultBlock, attributeName)) == null) {
return false;
}
return true;
}
/**
* Returns mapping keys for all stored data.
* @return
*/
Set getVaultDataKeys() {
return vaultData.keySet();
}
/**
* Creates new format for data key in vault. All parameters has to be non-null.
*
* @param keyAlias - currently not used (for possible future extension)
* @param vaultBlock
* @param attributeName
* @param alias
* @return
*/
private static String dataKey(String keyAlias, String vaultBlock, String attributeName) {
return vaultBlock + StringUtil.PROPERTY_DEFAULT_SEPARATOR + attributeName;
}
}
