/**************************************************************************
**
** Copyright (C) 2015 BlackBerry Limited. All rights reserved.
**
** Contact: BlackBerry (qt@blackberry.com)
** Contact: KDAB (info@kdab.com)
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company.  For licensing terms and
** conditions see http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "blackberrysshkeysgenerator.h"

#include <ssh/sshkeygenerator.h>

using namespace Qnx::Internal;

BlackBerrySshKeysGenerator::BlackBerrySshKeysGenerator()
    : QThread(0)
    , m_keyGen(new QSsh::SshKeyGenerator)
{
    connect(this, SIGNAL(finished()), this, SLOT(deleteLater()));
}

BlackBerrySshKeysGenerator::~BlackBerrySshKeysGenerator()
{
    delete m_keyGen;
    m_keyGen = 0;
}

void BlackBerrySshKeysGenerator::run()
{
    const bool success = m_keyGen->generateKeys(QSsh::SshKeyGenerator::Rsa,
                                                QSsh::SshKeyGenerator::Mixed, 4096,
                                                QSsh::SshKeyGenerator::DoNotOfferEncryption);
    if (success) {
        // BB10 devices allow to use public key with no comment
        // or a comment in username@hostname format
        // QSsh::SshKeyGenerator class creates comments in 'QtCreator/TIMEZONE' format
        // therefore stripping this comment out
        QByteArray publicKey = m_keyGen->publicKey();
        int firstSpace = publicKey.indexOf(' ');
        if (firstSpace >= 0) {
            int secondSpace = publicKey.indexOf(' ', firstSpace + 1);
            if (secondSpace >= 0)
                publicKey.truncate(secondSpace);
        }

        emit sshKeysGenerationFinished(m_keyGen->privateKey(), publicKey);
    } else
        emit sshKeysGenerationFailed(m_keyGen->error());
}
