citra/src/citra_qt/updater/updater.cpp
2020-12-06 16:01:59 -03:00

304 lines
8.9 KiB
C++

// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
//
// Based on the original work by Felix Barx
// Copyright (c) 2015, Felix Barz
// All rights reserved.
#include <QCoreApplication>
#include <QDir>
#include <QFileInfo>
#include <QTimer>
#include <QXmlStreamReader>
#include "citra_qt/uisettings.h"
#include "citra_qt/updater/updater.h"
#include "citra_qt/updater/updater_p.h"
#include "common/logging/log.h"
#ifdef Q_OS_OSX
#define DEFAULT_TOOL_PATH QStringLiteral("../../../../maintenancetool")
#else
#define DEFAULT_TOOL_PATH QStringLiteral("../maintenancetool")
#endif
Updater::Updater(QObject* parent) : Updater(DEFAULT_TOOL_PATH, parent) {}
Updater::Updater(const QString& maintenance_tool_path, QObject* parent)
: QObject(parent), backend(std::make_unique<UpdaterPrivate>(this)) {
backend->tool_path = UpdaterPrivate::ToSystemExe(maintenance_tool_path);
}
Updater::~Updater() = default;
bool Updater::ExitedNormally() const {
return backend->normal_exit;
}
int Updater::ErrorCode() const {
return backend->last_error_code;
}
QByteArray Updater::ErrorLog() const {
return backend->last_error_log;
}
bool Updater::IsRunning() const {
return backend->running;
}
QList<Updater::UpdateInfo> Updater::LatestUpdateInfo() const {
return backend->update_info;
}
bool Updater::HasUpdater() const {
return backend->HasUpdater();
}
bool Updater::CheckForUpdates() {
return backend->StartUpdateCheck();
}
void Updater::AbortUpdateCheck(int max_delay, bool async) {
backend->StopUpdateCheck(max_delay, async);
}
void Updater::LaunchUI() {
backend->LaunchUI();
}
void Updater::SilentlyUpdate() {
backend->SilentlyUpdate();
}
void Updater::LaunchUIOnExit() {
backend->LaunchUIOnExit();
}
Updater::UpdateInfo::UpdateInfo() = default;
Updater::UpdateInfo::UpdateInfo(const Updater::UpdateInfo&) = default;
Updater::UpdateInfo::UpdateInfo(QString name, QString version, quint64 size)
: name(std::move(name)), version(std::move(version)), size(size) {}
UpdaterPrivate::UpdaterPrivate(Updater* parent_ptr) : QObject(nullptr), parent(parent_ptr) {
connect(qApp, &QCoreApplication::aboutToQuit, this, &UpdaterPrivate::AboutToExit,
Qt::DirectConnection);
qRegisterMetaType<QProcess::ExitStatus>("QProcess::ExitStatus");
}
UpdaterPrivate::~UpdaterPrivate() {
if (main_process && main_process->state() != QProcess::NotRunning) {
main_process->kill();
main_process->waitForFinished(1000);
}
}
QString UpdaterPrivate::ToSystemExe(QString base_path) {
#if defined(Q_OS_WIN32)
if (!base_path.endsWith(QStringLiteral(".exe")))
return base_path + QStringLiteral(".exe");
else
return base_path;
#elif defined(Q_OS_OSX)
if (base_path.endsWith(QStringLiteral(".app")))
base_path.truncate(base_path.lastIndexOf(QStringLiteral(".")));
return base_path + QStringLiteral(".app/Contents/MacOS/") + QFileInfo(base_path).fileName();
#elif defined(Q_OS_UNIX)
return base_path;
#endif
}
bool UpdaterPrivate::HasUpdater() const {
QFileInfo tool_info(QCoreApplication::applicationDirPath(), tool_path);
return tool_info.exists();
}
bool UpdaterPrivate::StartUpdateCheck() {
if (running || !HasUpdater()) {
return false;
}
update_info.clear();
normal_exit = true;
last_error_code = EXIT_SUCCESS;
last_error_log.clear();
QFileInfo tool_info(QCoreApplication::applicationDirPath(), tool_path);
main_process = new QProcess(this);
main_process->setProgram(tool_info.absoluteFilePath());
main_process->setArguments({QStringLiteral("--checkupdates"), QStringLiteral("-v")});
connect(main_process,
static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished), this,
&UpdaterPrivate::UpdaterReady, Qt::QueuedConnection);
connect(main_process,
static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::errorOccurred), this,
&UpdaterPrivate::UpdaterError, Qt::QueuedConnection);
main_process->start(QIODevice::ReadOnly);
running = true;
emit parent->UpdateInfoChanged(update_info);
emit parent->RunningChanged(true);
return true;
}
void UpdaterPrivate::StopUpdateCheck(int delay, bool async) {
if (main_process == nullptr || main_process->state() == QProcess::NotRunning) {
return;
}
if (delay > 0) {
main_process->terminate();
if (async) {
QTimer* timer = new QTimer(this);
timer->setSingleShot(true);
connect(timer, &QTimer::timeout, [=]() {
StopUpdateCheck(0, false);
timer->deleteLater();
});
timer->start(delay);
} else {
if (!main_process->waitForFinished(delay)) {
main_process->kill();
main_process->waitForFinished(100);
}
}
} else {
main_process->kill();
main_process->waitForFinished(100);
}
}
XMLParseResult UpdaterPrivate::ParseResult(const QByteArray& output,
QList<Updater::UpdateInfo>& out) {
const auto out_string = QString::fromUtf8(output);
const auto xml_begin = out_string.indexOf(QStringLiteral("<updates>"));
if (xml_begin < 0)
return XMLParseResult::NoUpdate;
const auto xml_end = out_string.indexOf(QStringLiteral("</updates>"), xml_begin);
if (xml_end < 0)
return XMLParseResult::NoUpdate;
QList<Updater::UpdateInfo> updates;
QXmlStreamReader reader(out_string.mid(xml_begin, (xml_end + 10) - xml_begin));
reader.readNextStartElement();
// should always work because it was search for
if (reader.name() != QStringLiteral("updates")) {
return XMLParseResult::InvalidXML;
}
while (reader.readNextStartElement()) {
if (reader.name() != QStringLiteral("update"))
return XMLParseResult::InvalidXML;
auto ok = false;
Updater::UpdateInfo info(
reader.attributes().value(QStringLiteral("name")).toString(),
reader.attributes().value(QStringLiteral("version")).toString(),
reader.attributes().value(QStringLiteral("size")).toULongLong(&ok));
if (info.name.isEmpty() || info.version.isNull() || !ok)
return XMLParseResult::InvalidXML;
if (reader.readNextStartElement())
return XMLParseResult::InvalidXML;
updates.append(info);
}
if (reader.hasError()) {
LOG_ERROR(Frontend, "Cannot read xml for update: {}", reader.errorString().toStdString());
return XMLParseResult::InvalidXML;
}
out = updates;
return XMLParseResult::Success;
}
void UpdaterPrivate::UpdaterReady(int exit_code, QProcess::ExitStatus exit_status) {
if (main_process == nullptr) {
return;
}
if (exit_status != QProcess::NormalExit) {
UpdaterError(QProcess::Crashed);
return;
}
normal_exit = true;
last_error_code = exit_code;
last_error_log = main_process->readAllStandardError();
const auto update_out = main_process->readAllStandardOutput();
main_process->deleteLater();
main_process = nullptr;
running = false;
emit parent->RunningChanged(false);
QList<Updater::UpdateInfo> update_info;
auto err = ParseResult(update_out, update_info);
bool has_error = false;
if (err == XMLParseResult::Success) {
if (!update_info.isEmpty())
emit parent->UpdateInfoChanged(update_info);
} else if (err == XMLParseResult::InvalidXML) {
has_error = true;
}
emit parent->CheckUpdatesDone(!update_info.isEmpty(), has_error);
}
void UpdaterPrivate::UpdaterError(QProcess::ProcessError error) {
if (main_process) {
normal_exit = false;
last_error_code = error;
last_error_log = main_process->errorString().toUtf8();
main_process->deleteLater();
main_process = nullptr;
running = false;
emit parent->RunningChanged(false);
emit parent->CheckUpdatesDone(false, true);
}
}
void UpdaterPrivate::LaunchWithArguments(const QStringList& args) {
if (!HasUpdater()) {
return;
}
QFileInfo tool_info(QCoreApplication::applicationDirPath(), tool_path);
if (!QProcess::startDetached(tool_info.absoluteFilePath(), args, tool_info.absolutePath())) {
LOG_WARNING(Frontend, "Unable to start program {}",
tool_info.absoluteFilePath().toStdString());
}
}
void UpdaterPrivate::LaunchUI() {
LOG_INFO(Frontend, "Launching update UI...");
LaunchWithArguments(run_arguments);
}
void UpdaterPrivate::SilentlyUpdate() {
LOG_INFO(Frontend, "Launching silent update...");
LaunchWithArguments(silent_arguments);
}
void UpdaterPrivate::AboutToExit() {
if (launch_ui_on_exit) {
LaunchUI();
} else if (UISettings::values.update_on_close) {
SilentlyUpdate();
}
}
void UpdaterPrivate::LaunchUIOnExit() {
launch_ui_on_exit = true;
}