| /** |
| * 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.xml.security.keys.keyresolver.implementations; |
| |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.cert.X509Certificate; |
| import javax.crypto.SecretKey; |
| import org.apache.xml.security.keys.keyresolver.KeyResolverException; |
| import org.apache.xml.security.keys.keyresolver.KeyResolverSpi; |
| import org.apache.xml.security.keys.storage.StorageResolver; |
| import org.apache.xml.security.utils.Constants; |
| import org.apache.xml.security.utils.XMLUtils; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Resolves a single Key based on the KeyName. |
| */ |
| public class SingleKeyResolver extends KeyResolverSpi { |
| |
| private final String keyName; |
| private final PublicKey publicKey; |
| private final PrivateKey privateKey; |
| private final SecretKey secretKey; |
| |
| /** |
| * Constructor. |
| * @param keyName |
| * @param publicKey |
| */ |
| public SingleKeyResolver(String keyName, PublicKey publicKey) { |
| this.keyName = keyName; |
| this.publicKey = publicKey; |
| privateKey = null; |
| secretKey = null; |
| } |
| |
| /** |
| * Constructor. |
| * @param keyName |
| * @param privateKey |
| */ |
| public SingleKeyResolver(String keyName, PrivateKey privateKey) { |
| this.keyName = keyName; |
| this.privateKey = privateKey; |
| publicKey = null; |
| secretKey = null; |
| } |
| |
| /** |
| * Constructor. |
| * @param keyName |
| * @param secretKey |
| */ |
| public SingleKeyResolver(String keyName, SecretKey secretKey) { |
| this.keyName = keyName; |
| this.secretKey = secretKey; |
| publicKey = null; |
| privateKey = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected boolean engineCanResolve(Element element, String baseURI, StorageResolver storage) { |
| return XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_KEYNAME); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected PublicKey engineResolvePublicKey( |
| Element element, String baseURI, StorageResolver storage, boolean secureValidation |
| ) throws KeyResolverException { |
| if (publicKey != null) { |
| String name = element.getFirstChild().getNodeValue(); |
| if (keyName.equals(name)) { |
| return publicKey; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected X509Certificate engineResolveX509Certificate( |
| Element element, String baseURI, StorageResolver storage, boolean secureValidation |
| ) throws KeyResolverException { |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected SecretKey engineResolveSecretKey( |
| Element element, String baseURI, StorageResolver storage, boolean secureValidation |
| ) throws KeyResolverException { |
| if (secretKey != null) { |
| String name = element.getFirstChild().getNodeValue(); |
| if (keyName.equals(name)) { |
| return secretKey; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public PrivateKey engineResolvePrivateKey( |
| Element element, String baseURI, StorageResolver storage, boolean secureValidation |
| ) throws KeyResolverException { |
| |
| if (privateKey != null) { |
| String name = element.getFirstChild().getNodeValue(); |
| if (keyName.equals(name)) { |
| return privateKey; |
| } |
| } |
| |
| return null; |
| } |
| } |