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/*
* Copyright (C) 2022 by Fabian Müller <fmueller@owncloud.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <QMessageBox>
#include <QSettings>
#include <QTimer>
#include <appimage/update.h>
#include <chrono>
#include "appimageupdater.h"
#include "common/version.h"
#include "libsync/configfile.h"
#include "settingsdialog.h"
#include "theme.h"
#include "updater_private.h"
#include "appimageupdateavailabledialog.h"
#include "application.h"
using namespace OCC;
using namespace std::chrono_literals;
namespace {
/**
* libappimageupdate uses exceptions, but the client does not
* This little shim adapts the interface to one usable within this project
*/
class AppImageUpdaterShim : public QObject
{
Q_OBJECT
private:
explicit AppImageUpdaterShim(const QString &zsyncFileUrl, QObject *parent = nullptr)
: QObject(parent)
, _updater(Utility::appImageLocation().toStdString(), true)
{
QString updateInformation(QStringLiteral("zsync|") + zsyncFileUrl);
_updater.setUpdateInformation(updateInformation.toStdString());
}
void _logStatusMessages()
{
std::string currentStatusMessage;
while (_updater.nextStatusMessage(currentStatusMessage)) {
qCInfo(lcUpdater) << "AppImageUpdate:" << QString::fromStdString(currentStatusMessage);
}
}
public:
static AppImageUpdaterShim *makeInstance(const QString &updateInformation, QObject *parent)
{
try {
return new AppImageUpdaterShim(updateInformation, parent);
} catch (const std::exception &e) {
qCCritical(lcUpdater) << "Failed to create updater shim:" << e.what();
return nullptr;
}
}
bool isUpdateAvailable() noexcept
{
try {
bool updateAvailable;
if (!_updater.checkForChanges(updateAvailable)) {
_logStatusMessages();
return false;
}
_logStatusMessages();
return updateAvailable;
} catch (const std::exception &e) {
_logStatusMessages();
qCCritical(lcUpdater) << "Checking for update failed:" << e.what();
return false;
}
}
void startUpdateInBackground() noexcept
{
// monitor progress and log status messages
auto *timer = new QTimer(this);
timer->setInterval(100ms);
connect(timer, &QTimer::timeout, this, [=]() {
_logStatusMessages();
if (_updater.isDone()) {
emit finished(!_updater.hasError());
timer->stop();
}
});
_updater.start();
timer->start();
}
signals:
void finished(bool successfully);
private:
appimage::update::Updater _updater;
};
} // namespace
AppImageUpdater::AppImageUpdater(const QUrl &url)
: OCUpdater(url)
{
}
bool AppImageUpdater::handleStartup()
{
// nothing to do, update will be performed while app is running, if anything
return false;
}
void AppImageUpdater::versionInfoArrived(const UpdateInfo &info)
{
const auto ¤tVersion = Version::versionWithBuildNumber();
const auto newVersion = QVersionNumber::fromString(info.version());
if (info.version().isEmpty() || currentVersion >= newVersion) {
qCInfo(lcUpdater) << "Client is on latest version!";
setDownloadState(UpToDate);
return;
}
const auto previouslySkippedVersion = this->previouslySkippedVersion();
if (previouslySkippedVersion >= newVersion) {
qCInfo(lcUpdater) << "Update" << previouslySkippedVersion << "was skipped previously by user";
setDownloadState(UpToDate);
return;
}
const auto appImageUpdaterShim = AppImageUpdaterShim::makeInstance(info.downloadUrl(), this);
if (appImageUpdaterShim == nullptr) {
setDownloadState(DownloadFailed);
return;
}
if (!appImageUpdaterShim->isUpdateAvailable()) {
qCCritical(lcUpdater) << "Update server reported that update is available, but AppImageUpdate disagrees, aborting";
setDownloadState(DownloadFailed);
return;
}
auto dialog = new Ui::AppImageUpdateAvailableDialog(currentVersion, newVersion, ocApp()->gui()->settingsDialog());
connect(dialog, &Ui::AppImageUpdateAvailableDialog::skipUpdateButtonClicked, this, [newVersion]() {
qCInfo(lcUpdater) << "Update" << newVersion << "skipped by user";
setPreviouslySkippedVersion(newVersion);
});
connect(dialog, &QDialog::accepted, this, [this, appImageUpdaterShim]() {
// binding AppImageUpdaterShim shared pointer to finished callback makes sure the updater is cleaned up when it's done
connect(appImageUpdaterShim, &AppImageUpdaterShim::finished, this, [this](bool succeeded) {
if (succeeded) {
qCInfo(lcUpdater) << "AppImage update complete";
setDownloadState(DownloadComplete);
} else {
qCInfo(lcUpdater) << "AppImage update failed";
setDownloadState(DownloadFailed);
}
});
setDownloadState(Downloading);
appImageUpdaterShim->startUpdateInBackground();
});
dialog->show();
ownCloudGui::raiseDialog(dialog);
}
void AppImageUpdater::backgroundCheckForUpdate()
{
OCUpdater::backgroundCheckForUpdate();
}
#include "appimageupdater.moc"
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