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/*
* Copyright (C) 2019 KeePassXC Team <team@keepassxc.org>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UpdateChecker.h"
#include "config-keepassx.h"
#include "core/Clock.h"
#include "core/Config.h"
#include "core/NetworkManager.h"
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QRegularExpression>
UpdateChecker* UpdateChecker::m_instance(nullptr);
UpdateChecker::UpdateChecker(QObject* parent)
: QObject(parent)
, m_reply(nullptr)
, m_isManuallyRequested(false)
{
}
UpdateChecker::~UpdateChecker()
{
}
void UpdateChecker::checkForUpdates(bool manuallyRequested)
{
auto nextCheck = config()->get("GUI/CheckForUpdatesNextCheck", 0).toULongLong();
m_isManuallyRequested = manuallyRequested;
if (m_isManuallyRequested || Clock::currentSecondsSinceEpoch() >= nextCheck) {
m_bytesReceived.clear();
QString apiUrlStr = QString("https://api.github.com/repos/keepassxreboot/keepassxc/releases");
if (!config()->get("GUI/CheckForUpdatesIncludeBetas", false).toBool()) {
apiUrlStr += "/latest";
}
QUrl apiUrl = QUrl(apiUrlStr);
QNetworkRequest request(apiUrl);
request.setRawHeader("Accept", "application/json");
m_reply = getNetMgr()->get(request);
connect(m_reply, &QNetworkReply::finished, this, &UpdateChecker::fetchFinished);
connect(m_reply, &QIODevice::readyRead, this, &UpdateChecker::fetchReadyRead);
}
}
void UpdateChecker::fetchReadyRead()
{
m_bytesReceived += m_reply->readAll();
}
void UpdateChecker::fetchFinished()
{
bool error = (m_reply->error() != QNetworkReply::NoError);
bool hasNewVersion = false;
QUrl url = m_reply->url();
QString version = "";
m_reply->deleteLater();
m_reply = nullptr;
if (!error) {
QJsonDocument jsonResponse = QJsonDocument::fromJson(m_bytesReceived);
QJsonObject jsonObject = jsonResponse.object();
if (config()->get("GUI/CheckForUpdatesIncludeBetas", false).toBool()) {
QJsonArray jsonArray = jsonResponse.array();
jsonObject = jsonArray.at(0).toObject();
}
if (!jsonObject.value("tag_name").isUndefined()) {
version = jsonObject.value("tag_name").toString();
hasNewVersion = compareVersions(QString(KEEPASSXC_VERSION), version);
}
// Check again in 7 days
// TODO: change to toSecsSinceEpoch() when min Qt >= 5.8
config()->set("GUI/CheckForUpdatesNextCheck", Clock::currentDateTime().addDays(7).toTime_t());
} else {
version = "error";
}
emit updateCheckFinished(hasNewVersion, version, m_isManuallyRequested);
}
bool UpdateChecker::compareVersions(const QString& localVersion, const QString& remoteVersion)
{
// Quick full-string equivalence check
if (localVersion == remoteVersion) {
return false;
}
QRegularExpression verRegex(R"(^((?:\d+\.){2}\d+)(?:-(\w+?)(\d+)?)?$)");
auto lmatch = verRegex.match(localVersion);
auto rmatch = verRegex.match(remoteVersion);
auto lVersion = lmatch.captured(1).split(".");
auto lSuffix = lmatch.captured(2);
auto lBetaNum = lmatch.captured(3);
auto rVersion = rmatch.captured(1).split(".");
auto rSuffix = rmatch.captured(2);
auto rBetaNum = rmatch.captured(3);
if (!lVersion.isEmpty() && !rVersion.isEmpty()) {
if (lSuffix.compare("snapshot", Qt::CaseInsensitive) == 0) {
// Snapshots are not checked for version updates
return false;
}
// Check "-beta[X]" versions
if (lVersion == rVersion && !lSuffix.isEmpty()) {
// Check if stable version has been released or new beta is available
// otherwise the version numbers are equal
return rSuffix.isEmpty() || lBetaNum.toInt() < rBetaNum.toInt();
}
for (int i = 0; i < 3; i++) {
int l = lVersion[i].toInt();
int r = rVersion[i].toInt();
if (l == r) {
continue;
}
if (l > r) {
return false; // Installed version is newer than release
} else {
return true; // Installed version is outdated
}
}
return false; // Installed version is the same
}
return false; // Invalid version string
}
UpdateChecker* UpdateChecker::instance()
{
if (!m_instance) {
m_instance = new UpdateChecker();
}
return m_instance;
}
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