/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.keystore;
import java.io.IOException;
import java.security.KeyStore;
import java.security.KeyStoreSpi;
import java.security.NoSuchAlgorithmException;
import java.security.Provider;
import java.security.cert.CertificateException;
import java.util.function.Predicate;
import org.wildfly.common.Assert;
/**
* A {@link KeyStore} implementation that can wrap another key store instance and filter which aliases can actually be returned.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public class FilteringKeyStore extends KeyStore {
private FilteringKeyStore(KeyStoreSpi keyStoreSpi, Provider provider, String type) {
super(keyStoreSpi, provider, type);
}
/**
* Wrap an existing initialised {@link KeyStore} with an wrapper to filter which aliases can be returned.
*
* @param toWrap the {@link KeyStore} to wrap.
* @return the filtering wrapper around the {@link KeyStore}
* @throws NoSuchAlgorithmException
* @throws CertificateException
* @throws IOException
* @throws IllegalArgumentException if the {@link KeyStore} being wrapped is {@code null}
*/
public static KeyStore filteringKeyStore(final KeyStore toWrap, final Predicate<String> aliasPredicate) throws NoSuchAlgorithmException, CertificateException,
IOException {
Assert.checkNotNullParam("toWrap", toWrap);
KeyStore keyStore = new FilteringKeyStore(new FilteringKeyStoreSpi(toWrap, aliasPredicate), toWrap.getProvider(), toWrap.getType());
keyStore.load(null, null);
return keyStore;
}
}