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/*
* Copyright (C) 2010, Google Inc.
* 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;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UIKeyboardInteractive;
import com.jcraft.jsch.UserInfo;
/**
* A JSch {@link com.jcraft.jsch.UserInfo} adapter for a
* {@link org.eclipse.jgit.transport.CredentialsProvider}.
*/
public class CredentialsProviderUserInfo implements UserInfo,
UIKeyboardInteractive {
private final URIish uri;
private final CredentialsProvider provider;
private String password;
private String passphrase;
/**
* Wrap a CredentialsProvider to make it suitable for use with JSch.
*
* @param session
* the JSch session this UserInfo will support authentication on.
* @param credentialsProvider
* the provider that will perform the authentication.
*/
public CredentialsProviderUserInfo(Session session,
CredentialsProvider credentialsProvider) {
this.uri = createURI(session);
this.provider = credentialsProvider;
}
private static URIish createURI(Session session) {
URIish uri = new URIish();
uri = uri.setScheme("ssh"); //$NON-NLS-1$
uri = uri.setUser(session.getUserName());
uri = uri.setHost(session.getHost());
uri = uri.setPort(session.getPort());
return uri;
}
/** {@inheritDoc} */
@Override
public String getPassword() {
return password;
}
/** {@inheritDoc} */
@Override
public String getPassphrase() {
return passphrase;
}
/** {@inheritDoc} */
@Override
public boolean promptPassphrase(String msg) {
CredentialItem.StringType v = newPrompt(msg);
if (provider.get(uri, v)) {
passphrase = v.getValue();
return true;
} else {
passphrase = null;
return false;
}
}
/** {@inheritDoc} */
@Override
public boolean promptPassword(String msg) {
CredentialItem.Password p = new CredentialItem.Password(msg);
if (provider.get(uri, p)) {
password = new String(p.getValue());
return true;
} else {
password = null;
return false;
}
}
private CredentialItem.StringType newPrompt(String msg) {
return new CredentialItem.StringType(msg, true);
}
/** {@inheritDoc} */
@Override
public boolean promptYesNo(String msg) {
CredentialItem.YesNoType v = new CredentialItem.YesNoType(msg);
return provider.get(uri, v) && v.getValue();
}
/** {@inheritDoc} */
@Override
public void showMessage(String msg) {
provider.get(uri, new CredentialItem.InformationalMessage(msg));
}
/** {@inheritDoc} */
@Override
public String[] promptKeyboardInteractive(String destination, String name,
String instruction, String[] prompt, boolean[] echo) {
CredentialItem.StringType[] v = new CredentialItem.StringType[prompt.length];
for (int i = 0; i < prompt.length; i++)
v[i] = new CredentialItem.StringType(prompt[i], !echo[i]);
List<CredentialItem> items = new ArrayList<>();
if (instruction != null && instruction.length() > 0)
items.add(new CredentialItem.InformationalMessage(instruction));
items.addAll(Arrays.asList(v));
if (!provider.get(uri, items))
return null; // cancel
String[] result = new String[v.length];
for (int i = 0; i < v.length; i++)
result[i] = v[i].getValue();
return result;
}
}
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