org.eclipse.egit.core.EclipseSshSessionFactory.java Source code

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Here is the source code for org.eclipse.egit.core.EclipseSshSessionFactory.java

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/*******************************************************************************
 * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
 * Copyright (C) 2009, Google, Inc.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/
package org.eclipse.egit.core;

import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.CredentialsProviderUserInfo;
import org.eclipse.jgit.transport.JschConfigSessionFactory;
import org.eclipse.jgit.transport.OpenSshConfig;
import org.eclipse.jgit.util.FS;
import org.eclipse.jsch.core.IJSchService;

import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UserInfo;

class EclipseSshSessionFactory extends JschConfigSessionFactory {
    private final IJSchService provider;

    EclipseSshSessionFactory(final IJSchService p) {
        provider = p;
    }

    @Override
    protected JSch createDefaultJSch(FS fs) throws JSchException {
        // Forcing a dummy session to be created will cause the known hosts
        // and configured private keys to be initialized. This is needed by
        // our parent class in case non-default JSch instances need to be made.
        //
        provider.createSession("127.0.0.1", 0, "eclipse"); //$NON-NLS-1$ //$NON-NLS-2$
        return provider.getJSch();
    }

    @Override
    protected Session createSession(final OpenSshConfig.Host hc, final String user, final String host,
            final int port, FS fs) throws JSchException {
        final JSch jsch = getJSch(hc, FS.DETECTED);
        if (jsch == provider.getJSch()) {
            // If its the default JSch desired, let the provider
            // manage the session creation for us.
            //
            return provider.createSession(host, port, user);
        } else {
            // This host configuration is using a different IdentityFile,
            // one that is not available through the default JSch.
            //
            return jsch.getSession(user, host, port);
        }
    }

    @Override
    protected void configure(final OpenSshConfig.Host hc, final Session session) {
        UserInfo userInfo = session.getUserInfo();
        if (!hc.isBatchMode() && userInfo == null) {
            final CredentialsProvider cp = CredentialsProvider.getDefault();
            session.setUserInfo(new CredentialsProviderUserInfo(session, cp));
        }
    }
}