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/**************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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://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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
**************************************************************************/
#include "updatechecker.h"
#include <binaryformatenginehandler.h>
#include <component.h>
#include <errors.h>
#include <init.h>
#include <runoncechecker.h>
#include <packagemanagercore.h>
#include <productkeycheck.h>
#include <QDomDocument>
#include <iostream>
UpdateChecker::UpdateChecker(int &argc, char *argv[])
: SDKApp<QCoreApplication>(argc, argv)
{
QInstaller::init(); // register custom operations
}
int UpdateChecker::check()
{
RunOnceChecker runCheck(qApp->applicationDirPath() + QLatin1String("/lockmyApp15021976.lock"));
if (runCheck.isRunning(RunOnceChecker::ConditionFlag::Lockfile)) {
// It is possible to install an application and thus the maintenance tool into a
// directory that requires elevated permission to create a lock file. Since this
// cannot be done without requesting credentials from the user, we silently ignore
// the fact that we could not create the lock file and check the running processes.
if (runCheck.isRunning(RunOnceChecker::ConditionFlag::ProcessList))
throw QInstaller::Error(QLatin1String("An instance is already checking for updates."));
}
QString fileName = datFile(binaryFile());
quint64 cookie = QInstaller::BinaryContent::MagicCookieDat;
if (fileName.isEmpty()) {
fileName = binaryFile();
cookie = QInstaller::BinaryContent::MagicCookie;
}
QFile binary(fileName);
QInstaller::openForRead(&binary);
qint64 magicMarker;
QList<QInstaller::OperationBlob> operations;
QInstaller::ResourceCollectionManager manager;
QInstaller::BinaryContent::readBinaryContent(&binary, &operations, &manager, &magicMarker,
cookie);
if (magicMarker == QInstaller::BinaryContent::MagicInstallerMarker)
throw QInstaller::Error(QLatin1String("Installers cannot check for updates."));
SDKApp::registerMetaResources(manager.collectionByName("QResources"));
QInstaller::PackageManagerCore core(QInstaller::BinaryContent::MagicUpdaterMarker, operations);
QInstaller::PackageManagerCore::setVirtualComponentsVisible(true);
{
using namespace QInstaller;
ProductKeyCheck::instance()->init(&core);
ProductKeyCheck::instance()->addPackagesFromXml(QLatin1String(":/metadata/Updates.xml"));
BinaryFormatEngineHandler::instance()->registerResources(manager.collections());
}
if (!core.fetchRemotePackagesTree())
throw QInstaller::Error(core.error());
const QList<QInstaller::Component *> components =
core.components(QInstaller::PackageManagerCore::ComponentType::Root);
if (components.isEmpty())
throw QInstaller::Error(QLatin1String("There are currently no updates available."));
QDomDocument doc;
QDomElement root = doc.createElement(QLatin1String("updates"));
doc.appendChild(root);
foreach (QInstaller::Component *component, components) {
QDomElement update = doc.createElement(QLatin1String("update"));
update.setAttribute(QLatin1String("name"), component->value(QInstaller::scDisplayName));
update.setAttribute(QLatin1String("version"), component->value(QInstaller::scVersion));
update.setAttribute(QLatin1String("size"), component->value(QInstaller::scUncompressedSize));
root.appendChild(update);
}
std::cout << qPrintable(doc.toString(4)) << std::endl;
return EXIT_SUCCESS;
}
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