ostinato/common/updater.cpp
2023-10-11 12:57:25 +05:30

152 lines
4.0 KiB
C++

/*
Copyright (C) 2015 Srivats P.
This file is part of "Ostinato"
This 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 3 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.
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 "updater.h"
#include <QCoreApplication>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QXmlStreamReader>
extern const char* version;
Updater::Updater()
{
http_ = new QNetworkAccessManager(this);
#if 1
// Tests!
Q_ASSERT(isVersionNewer("1.3.0", "1.2.0") == true);
Q_ASSERT(isVersionNewer("1.3.0", "1.1") == true);
Q_ASSERT(isVersionNewer("1.2.0", "1.1") == true);
Q_ASSERT(isVersionNewer("1.1", "1") == true);
Q_ASSERT(isVersionNewer("10.1", "2") == true);
Q_ASSERT(isVersionNewer("0.10", "0.2") == true);
Q_ASSERT(isVersionNewer("1.10.1", "1.2.3") == true);
Q_ASSERT(isVersionNewer("0.7.1", "0.8") == false);
#endif
}
Updater::~Updater()
{
delete http_;
}
void Updater::checkForNewVersion()
{
QNetworkRequest request(QUrl("http://update.ostinato.org/update/pad.xml"));
//reqHdr.setHeader("Host", host);
request.setHeader(QNetworkRequest::UserAgentHeader, userAgent());
connect(http_, SIGNAL(finished(QNetworkReply*)),
this, SLOT(parseXml(QNetworkReply*)));
http_->get(request);
QList<QByteArray> headers = request.rawHeaderList();
foreach(QByteArray hdr, headers ) {
QByteArray val = request.rawHeader(hdr);
qDebug("Updater: %s: %s", qPrintable(QString(hdr)),
qPrintable(QString(val)));
}
}
void Updater::parseXml(QNetworkReply *reply)
{
QXmlStreamReader xml;
QString newVersion;
if (reply->error()) {
qDebug("Updater: %s", qPrintable(reply->errorString()));
goto _exit;
}
xml.setDevice(reply);
while (!xml.atEnd()) {
xml.readNext();
if (xml.isStartElement() && (xml.name() == "Program_Version"))
newVersion = xml.readElementText();
}
qDebug("Updater: latest version = %s", qPrintable(newVersion));
if (!newVersion.isEmpty() && isVersionNewer(newVersion, QString(version)))
emit newVersionAvailable(newVersion);
emit latestVersion(newVersion);
_exit:
// Job done, time to self-destruct
deleteLater();
}
bool Updater::isVersionNewer(QString newVersion, QString curVersion)
{
QStringList curVer = QString(curVersion).split('.');
QStringList newVer = QString(newVersion).split('.');
for (int i = 0; i < qMin(curVer.size(), newVer.size()); i++) {
bool isOk;
uint n = newVer.at(i).toUInt(&isOk);
uint c = curVer.at(i).toUInt(&isOk);
if (n > c)
return true;
else if (n < c)
return false;
}
if (newVer.size() > curVer.size())
return true;
return false;
}
QString Updater::userAgent()
{
QString ua = QString("Mozilla/5.0 (%1) %2/%3 (Qt/%6)")
.arg(sysInfo())
.arg(QCoreApplication::instance()->applicationName())
.arg(version)
.arg(qVersion());
return ua;
}
QString Updater::sysInfo()
{
#if QT_VERSION >= 0x050400
return QSysInfo::prettyProductName();
#else
#if defined(Q_OS_WIN32)
return QString("Windows/0x%1").arg(QSysInfo::WindowsVersion, 0, 16);
#elif defined(Q_OS_LINUX)
return QString("Linux");
#elif defined(Q_OS_MAC)
return QString("MacOSX/0x%1").arg(QSysInfo::MacintoshVersion, 0, 16);
#elif defined(Q_OS_BSD4)
return QString("BSD");
#elif defined(Q_OS_UNIX)
return QString("Unix");
#else
return QString("Unknown");
#endif
#endif
}