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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Luxoft Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite 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 https://www.qt.io/terms-conditions.
** For further information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#include <QDir>
#include <QFile>
#include <QScopedPointer>
#include "packagedatabase.h"
#include "packageinfo.h"
#include "yamlpackagescanner.h"
#include "applicationinfo.h"
#include "installationreport.h"
#include "exception.h"
#include "logging.h"
QT_BEGIN_NAMESPACE_AM
PackageDatabase::PackageDatabase(const QStringList &builtInPackagesDirs,
const QString &installedPackagesDir)
: m_builtInPackagesDirs(builtInPackagesDirs)
, m_installedPackagesDir(installedPackagesDir)
{ }
PackageDatabase::PackageDatabase(const QString &singlePackagePath)
: m_singlePackagePath(singlePackagePath)
{
Q_ASSERT(!singlePackagePath.isEmpty());
}
QString PackageDatabase::installedPackagesDir() const
{
return m_installedPackagesDir;
}
void PackageDatabase::enableLoadFromCache()
{
if (m_parsed)
qCWarning(LogSystem) << "PackageDatabase cannot change the caching mode after the initial load";
m_loadFromCache = true;
}
void PackageDatabase::enableSaveToCache()
{
if (m_parsed)
qCWarning(LogSystem) << "PackageDatabase cannot change the caching mode after the initial load";
m_saveToCache = true;
}
bool PackageDatabase::loadFromCache()
{
return false;
//TODO: read cache file
}
void PackageDatabase::saveToCache()
{
//TODO: write cache file
}
bool PackageDatabase::canBeRevertedToBuiltIn(PackageInfo *pi)
{
if (!pi || pi->isBuiltIn() || !m_installedPackages.contains(pi))
return false;
for (auto it = m_builtInPackages.cbegin(); it != m_builtInPackages.cend(); ++it) {
if (it.key()->id() == pi->id())
return true;
}
return false;
}
QMap<PackageInfo *, QString> PackageDatabase::loadManifestsFromDir(YamlPackageScanner *yps, const QString &manifestDir, bool scanningBuiltInApps)
{
QMap<PackageInfo *, QString> result;
auto flags = scanningBuiltInApps ? QDir::Dirs | QDir::NoDotAndDotDot
: QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks;
const QDir baseDir(manifestDir);
const QStringList pkgDirNames = baseDir.entryList(flags);
for (const QString &pkgDirName : pkgDirNames) {
try {
// ignore left-overs from the installer
if (pkgDirName.endsWith('+') || pkgDirName.endsWith('-'))
continue;
// ignore filesystem problems
QDir pkgDir = baseDir.absoluteFilePath(pkgDirName);
if (!pkgDir.exists())
continue;
// ignore directory names with weird/forbidden characters
QString pkgIdError;
if (!PackageInfo::isValidApplicationId(pkgDirName, &pkgIdError))
throw Exception("directory name is not a valid package-id: %1").arg(pkgIdError);
if (!pkgDir.exists(qSL("info.yaml")))
throw Exception("couldn't find an info.yaml manifest");
if (!scanningBuiltInApps && !pkgDir.exists(qSL(".installation-report.yaml")))
throw Exception("found a non-built-in package without an installation report");
QString manifestPath = pkgDir.absoluteFilePath(yps->metaDataFileName());
QScopedPointer<PackageInfo> pkg(loadManifest(yps, manifestPath));
if (pkg->id() != pkgDir.dirName()) {
throw Exception("an info.yaml must be in a directory that has"
" the same name as the package's id: found '%1'").arg(pkg->id());
}
if (scanningBuiltInApps) {
pkg->setBuiltIn(true);
} else { // 3rd-party apps
QFile f(pkgDir.absoluteFilePath(qSL(".installation-report.yaml")));
if (!f.open(QFile::ReadOnly))
throw Exception(f, "failed to open the installation report");
QScopedPointer<InstallationReport> report(new InstallationReport(pkg->id()));
if (!report->deserialize(&f))
throw Exception(f, "failed to deserialize the installation report");
pkg->setInstallationReport(report.take());
pkg->setBaseDir(QDir(m_installedPackagesDir).filePath(pkg->id()));
}
result.insert(pkg.take(), manifestPath);
} catch (const Exception &e) {
qCDebug(LogSystem) << "Ignoring package" << pkgDirName << ":" << e.what();
}
}
return result;
}
PackageInfo *PackageDatabase::loadManifest(YamlPackageScanner *yps, const QString &manifestPath)
{
QScopedPointer<PackageInfo> pkg(yps->scan(manifestPath));
Q_ASSERT(pkg);
if (pkg->applications().isEmpty())
throw Exception("package contains no applications");
return pkg.take();
}
void PackageDatabase::parse()
{
if (m_parsed)
throw Exception("PackageDatabase::parse() has been called multiple times");
m_parsed = true;
if (m_loadFromCache) {
if (loadFromCache())
return;
}
YamlPackageScanner yps;
if (!m_singlePackagePath.isEmpty()) {
try {
m_builtInPackages.insert(loadManifest(&yps, m_singlePackagePath), m_singlePackagePath);
} catch (const Exception &e) {
throw Exception("Failed to load manifest for package: %1").arg(e.errorString());
}
} else {
for (const QString &dir : m_builtInPackagesDirs)
m_builtInPackages.unite(loadManifestsFromDir(&yps, dir, true));
if (!m_installedPackagesDir.isEmpty())
m_installedPackages = loadManifestsFromDir(&yps, m_installedPackagesDir, false);
}
if (m_saveToCache)
saveToCache();
}
QVector<PackageInfo *> PackageDatabase::installedPackages() const
{
return m_installedPackages.keys().toVector();
}
QVector<PackageInfo *> PackageDatabase::builtInPackages() const
{
return m_builtInPackages.keys().toVector();
}
QT_END_NAMESPACE_AM
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