Maemo: Introduce dedicated class for key deploying.

We want to re-use that functionality in our wizard.

src/plugins/qt4projectmanager/qt-maemo/maemokeydeployer.cpp

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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of Qt Creator.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "maemokeydeployer.h"
+
+#include <coreplugin/ssh/sshremoteprocessrunner.h>
+
+#include <QtCore/QFile>
+
+using namespace Core;
+
+namespace Qt4ProjectManager {
+namespace Internal {
+
+MaemoKeyDeployer::MaemoKeyDeployer(QObject *parent)
+    : QObject(parent)
+{
+}
+
+MaemoKeyDeployer::~MaemoKeyDeployer()
+{
+    cleanup();
+}
+
+void MaemoKeyDeployer::deployPublicKey(const SshConnectionParameters &sshParams,
+    const QString &keyFilePath)
+{
+    cleanup();
+    m_deployProcess = SshRemoteProcessRunner::create(sshParams);
+
+    QFile keyFile(keyFilePath);
+    QByteArray key;
+    const bool keyFileAccessible = keyFile.open(QIODevice::ReadOnly);
+    if (keyFileAccessible)
+        key = keyFile.readAll();
+    if (!keyFileAccessible || keyFile.error() != QFile::NoError) {
+        emit error(tr("Could not read public key file '%1'.").arg(keyFilePath));
+        return;
+    }
+
+    connect(m_deployProcess.data(), SIGNAL(connectionError(Core::SshError)), this,
+        SLOT(handleConnectionFailure()));
+    connect(m_deployProcess.data(), SIGNAL(processClosed(int)), this,
+        SLOT(handleKeyUploadFinished(int)));
+    const QByteArray command = "test -d .ssh "
+        "|| mkdir .ssh && chmod 0700 .ssh && echo '"
+        + key + "' >> .ssh/authorized_keys && chmod 0700 .ssh/authorized_keys";
+    m_deployProcess->run(command);
+}
+
+void MaemoKeyDeployer::handleConnectionFailure()
+{
+    if (!m_deployProcess)
+        return;
+    const QString errorMsg = m_deployProcess->connection()->errorString();
+    cleanup();
+    emit error(tr("Connection failed: %1").arg(errorMsg));
+}
+
+void MaemoKeyDeployer::handleKeyUploadFinished(int exitStatus)
+{
+    Q_ASSERT(exitStatus == SshRemoteProcess::FailedToStart
+        || exitStatus == SshRemoteProcess::KilledBySignal
+        || exitStatus == SshRemoteProcess::ExitedNormally);
+
+    if (!m_deployProcess)
+        return;
+
+    const int exitCode = m_deployProcess->process()->exitCode();
+    const QString errorMsg = m_deployProcess->process()->errorString();
+    cleanup();
+    if (exitStatus == SshRemoteProcess::ExitedNormally && exitCode == 0)
+        emit finishedSuccessfully();
+    else
+        emit error(tr("Key deployment failed: %1.").arg(errorMsg));
+}
+
+void MaemoKeyDeployer::stopDeployment()
+{
+    cleanup();
+}
+
+void MaemoKeyDeployer::cleanup()
+{
+    if (m_deployProcess) {
+        disconnect(m_deployProcess.data(), 0, this, 0);
+        m_deployProcess.clear();
+    }
+}
+
+
+} // namespace Internal
+} // namespace Qt4ProjectManager