org.springframework.cloud.config.server.ssh.FileBasedSshTransportConfigCallback.java Source code

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Here is the source code for org.springframework.cloud.config.server.ssh.FileBasedSshTransportConfigCallback.java

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/*
 * Copyright 2018 the original author or authors.
 *
 * Licensed 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.springframework.cloud.config.server.ssh;

import com.jcraft.jsch.Session;
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.Transport;

import org.springframework.cloud.config.server.environment.MultipleJGitEnvironmentProperties;

/**
 * Configure JGit transport command to use a default SSH session factory based on local machines SSH config.
 * Allow strict host key checking to be set.
 */
public class FileBasedSshTransportConfigCallback implements TransportConfigCallback {

    private MultipleJGitEnvironmentProperties sshUriProperties;

    public FileBasedSshTransportConfigCallback(MultipleJGitEnvironmentProperties sshUriProperties) {
        this.sshUriProperties = sshUriProperties;
    }

    public MultipleJGitEnvironmentProperties getSshUriProperties() {
        return sshUriProperties;
    }

    @Override
    public void configure(Transport transport) {
        SshSessionFactory.setInstance(new JschConfigSessionFactory() {
            @Override
            protected void configure(OpenSshConfig.Host hc, Session session) {
                session.setConfig("StrictHostKeyChecking",
                        sshUriProperties.isStrictHostKeyChecking() ? "yes" : "no");
            }
        });
    }
}