| package org.apache.maven.scm.provider.git.jgit.command; |
| |
| /* |
| * 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. |
| */ |
| |
| import com.jcraft.jsch.JSch; |
| import com.jcraft.jsch.JSchException; |
| import com.jcraft.jsch.Session; |
| import org.apache.maven.scm.log.ScmLogger; |
| import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository; |
| import org.eclipse.jgit.api.TransportConfigCallback; |
| import org.eclipse.jgit.transport.JschConfigSessionFactory; |
| import org.eclipse.jgit.transport.OpenSshConfig; |
| import org.eclipse.jgit.transport.SshSessionFactory; |
| import org.eclipse.jgit.transport.SshTransport; |
| import org.eclipse.jgit.transport.Transport; |
| import org.eclipse.jgit.util.FS; |
| import org.eclipse.jgit.util.StringUtils; |
| |
| /** |
| * Implementation of {@link TransportConfigCallback} which adds |
| * a public/private key identity to ssh URLs if configured. |
| */ |
| public class JGitTransportConfigCallback implements TransportConfigCallback |
| { |
| private SshSessionFactory sshSessionFactory = null; |
| |
| public JGitTransportConfigCallback( GitScmProviderRepository repo, ScmLogger logger ) |
| { |
| if ( repo.getFetchInfo().getProtocol().equals( "ssh" ) ) |
| { |
| if ( !StringUtils.isEmptyOrNull( repo.getPrivateKey() ) && repo.getPassphrase() == null ) |
| { |
| logger.debug( "using private key: " + repo.getPrivateKey() ); |
| sshSessionFactory = new UnprotectedPrivateKeySessionFactory( repo ); |
| } |
| else if ( !StringUtils.isEmptyOrNull( repo.getPrivateKey() ) && repo.getPassphrase() != null ) |
| { |
| logger.debug( "using private key with passphrase: " + repo.getPrivateKey() ); |
| sshSessionFactory = new ProtectedPrivateKeyFileSessionFactory( repo ); |
| } |
| else |
| { |
| sshSessionFactory = new SimpleSessionFactory(); |
| } |
| } |
| } |
| |
| @Override |
| public void configure( Transport transport ) |
| { |
| if ( transport instanceof SshTransport ) |
| { |
| SshTransport sshTransport = (SshTransport) transport; |
| sshTransport.setSshSessionFactory( sshSessionFactory ); |
| } |
| } |
| |
| private static class SimpleSessionFactory extends JschConfigSessionFactory |
| { |
| @Override |
| protected void configure( OpenSshConfig.Host host, Session session ) |
| { |
| } |
| } |
| |
| private abstract static class PrivateKeySessionFactory extends SimpleSessionFactory |
| { |
| private final GitScmProviderRepository repo; |
| |
| GitScmProviderRepository getRepo() |
| { |
| return repo; |
| } |
| |
| PrivateKeySessionFactory( GitScmProviderRepository repo ) |
| { |
| this.repo = repo; |
| } |
| } |
| |
| private static class UnprotectedPrivateKeySessionFactory extends PrivateKeySessionFactory |
| { |
| |
| UnprotectedPrivateKeySessionFactory( GitScmProviderRepository repo ) |
| { |
| super( repo ); |
| } |
| |
| @Override |
| protected JSch createDefaultJSch( FS fs ) throws JSchException |
| { |
| JSch defaultJSch = super.createDefaultJSch( fs ); |
| defaultJSch.addIdentity( getRepo().getPrivateKey() ); |
| return defaultJSch; |
| } |
| } |
| |
| private static class ProtectedPrivateKeyFileSessionFactory extends PrivateKeySessionFactory |
| { |
| |
| ProtectedPrivateKeyFileSessionFactory( GitScmProviderRepository repo ) |
| { |
| super( repo ); |
| } |
| |
| @Override |
| protected JSch createDefaultJSch( FS fs ) throws JSchException |
| { |
| JSch defaultJSch = super.createDefaultJSch( fs ); |
| defaultJSch.addIdentity( getRepo().getPrivateKey(), getRepo().getPassphrase() ); |
| return defaultJSch; |
| } |
| } |
| } |