com.meltmedia.cadmium.core.git.LocalConfigSessionFactory.java Source code

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Here is the source code for com.meltmedia.cadmium.core.git.LocalConfigSessionFactory.java

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/**
 *    Copyright 2012 meltmedia
 *
 *    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 com.meltmedia.cadmium.core.git;

import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.JschConfigSessionFactory;
import org.eclipse.jgit.transport.OpenSshConfig;
import org.eclipse.jgit.transport.OpenSshConfig.Host;
import org.eclipse.jgit.transport.RemoteSession;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.jgit.util.FS;

import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UserInfo;
import com.meltmedia.cadmium.core.FileSystemManager;

public class LocalConfigSessionFactory extends JschConfigSessionFactory {

    private String privateKeyFile;
    private String knownHostsFile;
    private String sshDir;
    private boolean noPrompt = false;

    public LocalConfigSessionFactory(String sshDir, boolean noPrompt) {
        this.privateKeyFile = sshDir + "/meltmedia-gene-deploy";
        this.knownHostsFile = sshDir + "/known_hosts";
        this.sshDir = sshDir;
        this.noPrompt = noPrompt;
    }

    @Override
    protected void configure(Host host, Session session) {
        session.setUserInfo(new UserInfo() {

            @Override
            public String getPassphrase() {
                if (noPrompt) {
                    return "";
                } else {
                    return new String(System.console().readPassword());
                }
            }

            @Override
            public String getPassword() {
                if (noPrompt) {
                    return "";
                } else {
                    return new String(System.console().readPassword());
                }
            }

            @Override
            public boolean promptPassphrase(String arg0) {
                if (!noPrompt) {
                    System.err.print("Enter " + arg0 + ": ");
                }
                return true;
            }

            @Override
            public boolean promptPassword(String arg0) {
                if (!noPrompt) {
                    System.err.print("Enter " + arg0 + ": ");
                }
                return true;
            }

            @Override
            public boolean promptYesNo(String arg0) {
                return false;
            }

            @Override
            public void showMessage(String arg0) {
                System.err.println("Password or passphrase needed:");
            }

        });
    }

    @Override
    public synchronized RemoteSession getSession(URIish arg0, CredentialsProvider arg1, FS arg2, int arg3)
            throws TransportException {
        return super.getSession(arg0, arg1, arg2, arg3);
    }

    protected com.jcraft.jsch.JSch getJSch(OpenSshConfig.Host hc, FS fs) throws com.jcraft.jsch.JSchException {
        JSch jsch = super.getJSch(hc, fs);
        JSch.setConfig("StrictHostKeyChecking", "no");
        if (FileSystemManager.exists(privateKeyFile)) {
            jsch.addIdentity(privateKeyFile);
        } else if (FileSystemManager.exists(sshDir + "/id_rsa")) {
            jsch.addIdentity(sshDir + "/id_rsa");
        }
        jsch.setKnownHosts(knownHostsFile);
        return jsch;
    }

}