| /* |
| * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.jgit.transport.sshd; |
| |
| import java.nio.file.Path; |
| import java.security.KeyPair; |
| import java.security.PrivateKey; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.function.Function; |
| |
| import javax.security.auth.DestroyFailedException; |
| |
| /** |
| * A simple {@link KeyCache}. JGit uses one such cache in its |
| * {@link SshdSessionFactory} to avoid loading keys multiple times. |
| * |
| * @since 5.2 |
| */ |
| public class JGitKeyCache implements KeyCache { |
| |
| private AtomicReference<Map<Path, KeyPair>> cache = new AtomicReference<>( |
| new ConcurrentHashMap<>()); |
| |
| @Override |
| public KeyPair get(Path path, |
| Function<? super Path, ? extends KeyPair> loader) { |
| return cache.get().computeIfAbsent(path, loader); |
| } |
| |
| @Override |
| public void close() { |
| Map<Path, KeyPair> map = cache.getAndSet(null); |
| if (map == null) { |
| return; |
| } |
| for (KeyPair k : map.values()) { |
| PrivateKey p = k.getPrivate(); |
| try { |
| p.destroy(); |
| } catch (DestroyFailedException e) { |
| // Ignore here. We did our best. |
| } |
| } |
| map.clear(); |
| } |
| } |