| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.nifi.registry.security.util; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.bouncycastle.jce.provider.BouncyCastleProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.security.KeyStore; |
| import java.security.KeyStoreException; |
| import java.security.Security; |
| |
| public class KeyStoreUtils { |
| private static final Logger logger = LoggerFactory.getLogger(KeyStoreUtils.class); |
| |
| static { |
| Security.addProvider(new BouncyCastleProvider()); |
| } |
| |
| /** |
| * Returns the provider that will be used for the given keyStoreType |
| * |
| * @param keyStoreType the keyStoreType |
| * @return the provider that will be used |
| */ |
| public static String getKeyStoreProvider(String keyStoreType) { |
| if (KeystoreType.PKCS12.toString().equalsIgnoreCase(keyStoreType)) { |
| return BouncyCastleProvider.PROVIDER_NAME; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns an empty KeyStore backed by the appropriate provider |
| * |
| * @param keyStoreType the keyStoreType |
| * @return an empty KeyStore |
| * @throws KeyStoreException if a KeyStore of the given type cannot be instantiated |
| */ |
| public static KeyStore getKeyStore(String keyStoreType) throws KeyStoreException { |
| String keyStoreProvider = getKeyStoreProvider(keyStoreType); |
| if (StringUtils.isNotEmpty(keyStoreProvider)) { |
| try { |
| return KeyStore.getInstance(keyStoreType, keyStoreProvider); |
| } catch (Exception e) { |
| logger.error("Unable to load " + keyStoreProvider + " " + keyStoreType |
| + " keystore. This may cause issues getting trusted CA certificates as well as Certificate Chains for use in TLS.", e); |
| } |
| } |
| return KeyStore.getInstance(keyStoreType); |
| } |
| |
| /** |
| * Returns an empty KeyStore intended for use as a TrustStore backed by the appropriate provider |
| * |
| * @param trustStoreType the trustStoreType |
| * @return an empty KeyStore |
| * @throws KeyStoreException if a KeyStore of the given type cannot be instantiated |
| */ |
| public static KeyStore getTrustStore(String trustStoreType) throws KeyStoreException { |
| if (KeystoreType.PKCS12.toString().equalsIgnoreCase(trustStoreType)) { |
| logger.warn(trustStoreType + " truststores are deprecated. " + KeystoreType.JKS.toString() + " is preferred."); |
| } |
| return getKeyStore(trustStoreType); |
| } |
| } |