/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, 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.jboss.as.cli.impl;
import java.nio.charset.StandardCharsets;
import java.util.StringTokenizer;
import java.util.regex.Pattern;
import org.jboss.security.vault.SecurityVault;
import org.jboss.security.vault.SecurityVaultException;
import org.picketbox.plugins.vault.PicketBoxSecurityVault;
/**
* @author Alexey Loubyansky
*
*/
class CLIVaultReader {
private static final Pattern VAULT_PATTERN = Pattern.compile("VAULT::.*::.*::.*");
private volatile SecurityVault vault;
CLIVaultReader() {
}
void init(VaultConfig vaultConfig) throws SecurityVaultException {
if (vaultConfig.getCode() == null) {
vault = new PicketBoxSecurityVault();
} else {
try {
if (vaultConfig.getModule() == null){
vault = SecurityActions.loadAndInstantiateFromClassClassLoader(PicketBoxSecurityVault.class, SecurityVault.class, vaultConfig.getCode());
} else {
vault = SecurityActions.loadAndInstantiateFromModule(vaultConfig.getModule(), SecurityVault.class, vaultConfig.getCode());
}
} catch (Exception e) {
throw new SecurityVaultException(e);
}
}
vault.init(vaultConfig.getOptions());
}
String retrieve(String password) throws SecurityVaultException {
if(isVaultFormat(password)) {
char[] retrieved = getValue(password);
return retrieved != null ? new String(retrieved) : null;
}
return password;
}
boolean isVaultFormat(String str) {
return str != null && VAULT_PATTERN.matcher(str).matches();
}
private char[] getValue(String vaultString) throws SecurityVaultException {
if(vault == null) {
throw new SecurityVaultException("Vault has not been initialized.");
}
String[] tokens = tokens(vaultString);
byte[] sharedKey = null;
if (tokens.length > 2) {
// only in case of conversion of old vault implementation
sharedKey = tokens[3].getBytes(StandardCharsets.UTF_8);
}
return vault.retrieve(tokens[1], tokens[2], sharedKey);
}
private String[] tokens(String vaultString) {
StringTokenizer tokenizer = new StringTokenizer(vaultString, "::");
int length = tokenizer.countTokens();
String[] tokens = new String[length];
int index = 0;
while (tokenizer != null && tokenizer.hasMoreTokens()) {
tokens[index++] = tokenizer.nextToken();
}
return tokens;
}
}