| /** |
| * 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.camel.component.gae.auth; |
| |
| import java.io.InputStream; |
| import java.security.KeyStore; |
| import java.security.KeyStore.PasswordProtection; |
| import java.security.KeyStore.PrivateKeyEntry; |
| import java.security.PrivateKey; |
| |
| import org.springframework.core.io.Resource; |
| |
| /** |
| * A Java keystore specific key loader. |
| */ |
| public class GAuthJksLoader implements GAuthKeyLoader { |
| |
| private Resource keyStoreLocation; |
| |
| private String storePass; |
| |
| private String keyPass; |
| |
| private String keyAlias; |
| |
| public GAuthJksLoader() { |
| this(null, null, null, null); |
| } |
| |
| public GAuthJksLoader(Resource keyStoreLocation, String storePass, String keyPass, String keyAlias) { |
| this.keyStoreLocation = keyStoreLocation; |
| this.storePass = storePass; |
| this.keyPass = keyPass; |
| this.keyAlias = keyAlias; |
| } |
| |
| /** |
| * Set the location of the Java keystore. |
| * |
| * @param keyStoreLocation |
| */ |
| public void setKeyStoreLocation(Resource keyStoreLocation) { |
| this.keyStoreLocation = keyStoreLocation; |
| } |
| |
| /** |
| * Sets the password used to open the key store. |
| * |
| * @param storePass |
| */ |
| public void setStorePass(String storePass) { |
| this.storePass = storePass; |
| } |
| |
| /** |
| * Sets the password used to get access to a specific key. |
| * |
| * @param keyPass |
| */ |
| public void setKeyPass(String keyPass) { |
| this.keyPass = keyPass; |
| } |
| |
| /** |
| * Sets the alias of the key to be loaded. |
| * |
| * @param keyAlias |
| */ |
| public void setKeyAlias(String keyAlias) { |
| this.keyAlias = keyAlias; |
| } |
| |
| /** |
| * Loads a private key from a Java keystore depending on this loader's |
| * properties. |
| */ |
| public PrivateKey loadPrivateKey() throws Exception { |
| InputStream input = keyStoreLocation.getInputStream(); |
| try { |
| return loadPrivateKey(input); |
| } finally { |
| input.close(); |
| } |
| } |
| |
| private PrivateKey loadPrivateKey(InputStream input) throws Exception { |
| // Load keystore |
| KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType()); |
| keystore.load(input, storePass.toCharArray()); |
| |
| // Retrieve private key |
| PrivateKeyEntry entry = (PrivateKeyEntry)keystore.getEntry(keyAlias, new PasswordProtection(keyPass.toCharArray())); |
| return entry.getPrivateKey(); |
| } |
| |
| } |