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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2018] [Payara Foundation and/or its affiliates]
package org.glassfish.security.common;
import org.glassfish.api.admin.PasswordAliasResolver;
import org.glassfish.api.admin.PasswordAliasStore;
/**
* Provides password alias resolution, using an internal password alias store to actually resolve an alias if one is
* specified.
*
* @author tjquinn
*/
public class PasswordAliasResolverImpl implements PasswordAliasResolver {
private static final String ALIAS_TOKEN = "ALIAS";
private static final String STARTER = "${" + ALIAS_TOKEN + "="; // no space is allowed in starter
private static final String ENDER = "}";
private final PasswordAliasStore store;
public PasswordAliasResolverImpl(final PasswordAliasStore store) {
this.store = store;
}
@Override
public char[] resolvePassword(String aliasExpressionOrPassword) {
final String alias = getAlias(aliasExpressionOrPassword);
if (alias != null) {
return store.get(alias);
}
return aliasExpressionOrPassword.toCharArray();
}
/**
* check if a given property name matches AS alias pattern ${ALIAS=aliasname}. if so, return the aliasname, otherwise
* return null.
*
* @param propName The property name to resolve. ex. ${ALIAS=aliasname}.
* @return The aliasname or null.
*/
private static String getAlias(String pwOrAliasExpression) {
String aliasName = null;
pwOrAliasExpression = pwOrAliasExpression.trim();
if (pwOrAliasExpression.startsWith(STARTER) && pwOrAliasExpression.endsWith(ENDER)) {
pwOrAliasExpression = pwOrAliasExpression.substring(STARTER.length());
int lastIdx = pwOrAliasExpression.length() - 1;
if (lastIdx > 1) {
pwOrAliasExpression = pwOrAliasExpression.substring(0, lastIdx);
if (pwOrAliasExpression != null) {
aliasName = pwOrAliasExpression.trim();
}
}
}
return aliasName;
}
}