moonlight-qt/app/backend/autoupdatechecker.cpp
Cameron Gutman 6c980eba68 Fix build on Qt 5.15 Beta 2
Reverts most of 10dae7482c
2020-03-23 18:30:56 -07:00

160 lines
5.7 KiB
C++

#include "autoupdatechecker.h"
#include <QNetworkReply>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
AutoUpdateChecker::AutoUpdateChecker(QObject *parent) :
QObject(parent),
m_Nam(this)
{
// Never communicate over HTTP
m_Nam.setStrictTransportSecurityEnabled(true);
// Allow HTTP redirects
m_Nam.setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
connect(&m_Nam, SIGNAL(finished(QNetworkReply*)),
this, SLOT(handleUpdateCheckRequestFinished(QNetworkReply*)));
QString currentVersion(VERSION_STR);
qDebug() << "Current Moonlight version:" << currentVersion;
parseStringToVersionQuad(currentVersion, m_CurrentVersionQuad);
// Should at least have a 1.0-style version number
Q_ASSERT(m_CurrentVersionQuad.count() > 1);
}
void AutoUpdateChecker::start()
{
#if defined(Q_OS_WIN32) || defined(Q_OS_DARWIN) || defined(STEAM_LINK) // Only run update checker on platforms without auto-update
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 14, 2) && !defined(QT_NO_BEARERMANAGEMENT)
// HACK: Set network accessibility to work around QTBUG-80947
m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
#endif
// We'll get a callback when this is finished
QUrl url("https://moonlight-stream.org/updates/qt.json");
m_Nam.get(QNetworkRequest(url));
#endif
}
void AutoUpdateChecker::parseStringToVersionQuad(QString& string, QVector<int>& version)
{
QStringList list = string.split('.');
for (const QString& component : list) {
version.append(component.toInt());
}
}
QString AutoUpdateChecker::getPlatform()
{
#ifdef STEAM_LINK
return QStringLiteral("steamlink");
#else
return QSysInfo::productType();
#endif
}
void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
{
Q_ASSERT(reply->isFinished());
if (reply->error() == QNetworkReply::NoError) {
QTextStream stream(reply);
stream.setCodec("UTF-8");
// Read all data and queue the reply for deletion
QString jsonString = stream.readAll();
reply->deleteLater();
QJsonParseError error;
QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonString.toUtf8(), &error);
if (jsonDoc.isNull()) {
qWarning() << "Update manifest malformed:" << error.errorString();
return;
}
QJsonArray array = jsonDoc.array();
if (array.isEmpty()) {
qWarning() << "Update manifest doesn't contain an array";
return;
}
for (QJsonValueRef updateEntry : array) {
if (updateEntry.isObject()) {
QJsonObject updateObj = updateEntry.toObject();
if (!updateObj.contains("platform") ||
!updateObj.contains("arch") ||
!updateObj.contains("version") ||
!updateObj.contains("browser_url")) {
qWarning() << "Update manifest entry missing vital field";
continue;
}
if (!updateObj["platform"].isString() ||
!updateObj["arch"].isString() ||
!updateObj["version"].isString() ||
!updateObj["browser_url"].isString()) {
qWarning() << "Update manifest entry has unexpected vital field type";
continue;
}
if (updateObj["arch"] == QSysInfo::buildCpuArchitecture() &&
updateObj["platform"] == getPlatform()) {
qDebug() << "Found update manifest match for current platform";
QString latestVersion = updateObj["version"].toString();
qDebug() << "Latest version of Moonlight for this platform is:" << latestVersion;
QVector<int> latestVersionQuad;
parseStringToVersionQuad(latestVersion, latestVersionQuad);
for (int i = 0;; i++) {
int latestVer = 0;
int currentVer = 0;
// Treat missing decimal places as 0
if (i < latestVersionQuad.count()) {
latestVer = latestVersionQuad[i];
}
if (i < m_CurrentVersionQuad.count()) {
currentVer = m_CurrentVersionQuad[i];
}
if (i >= latestVersionQuad.count() && i >= m_CurrentVersionQuad.count()) {
break;
}
if (currentVer < latestVer) {
qDebug() << "Update available";
emit onUpdateAvailable(updateObj["version"].toString(),
updateObj["browser_url"].toString());
return;
}
else if (currentVer > latestVer) {
qDebug() << "Update manifest version lower than current version";
return;
}
}
qDebug() << "Update manifest version equal to current version";
return;
}
}
else {
qWarning() << "Update manifest contained unrecognized entry:" << updateEntry.toString();
}
}
qWarning() << "No entry in update manifest found for current platform: "
<< QSysInfo::buildCpuArchitecture() << getPlatform();
}
else {
qWarning() << "Update checking failed with error: " << reply->error();
reply->deleteLater();
}
}