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- /*
- * 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 static java.text.MessageFormat.format;
-
- import java.io.IOException;
- import java.net.URISyntaxException;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.concurrent.CancellationException;
-
- import org.apache.sshd.common.config.keys.FilePasswordProvider;
- import org.eclipse.jgit.internal.transport.sshd.SshdText;
- import org.eclipse.jgit.transport.CredentialItem;
- import org.eclipse.jgit.transport.CredentialsProvider;
- import org.eclipse.jgit.transport.URIish;
-
- /**
- * A {@link FilePasswordProvider} based on a {@link CredentialsProvider}.
- *
- * @since 5.2
- */
- public class IdentityPasswordProvider implements FilePasswordProvider {
-
- private CredentialsProvider provider;
-
- /**
- * Creates a new {@link IdentityPasswordProvider} to get the passphrase for
- * an encrypted identity.
- *
- * @param provider
- * to use
- */
- public IdentityPasswordProvider(CredentialsProvider provider) {
- this.provider = provider;
- }
-
- /**
- * Creates a {@link URIish} from a given string. The
- * {@link CredentialsProvider} uses uris as resource identifications.
- *
- * @param resourceKey
- * to convert
- * @return the uri
- */
- protected URIish toUri(String resourceKey) {
- try {
- return new URIish(resourceKey);
- } catch (URISyntaxException e) {
- return new URIish().setPath(resourceKey); // Doesn't check!!
- }
- }
-
- @Override
- public String getPassword(String resourceKey) throws IOException {
- if (provider == null) {
- return null;
- }
- URIish file = toUri(resourceKey);
- List<CredentialItem> items = new ArrayList<>(2);
- items.add(new CredentialItem.InformationalMessage(
- format(SshdText.get().keyEncryptedMsg, resourceKey)));
- CredentialItem.Password password = new CredentialItem.Password(
- SshdText.get().keyEncryptedPrompt);
- items.add(password);
- try {
- provider.get(file, items);
- char[] pass = password.getValue();
- if (pass == null) {
- throw new CancellationException(
- SshdText.get().authenticationCanceled);
- }
- return new String(pass);
- } finally {
- password.clear();
- }
- }
-
- }
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