152 lines
4.0 KiB
C++
152 lines
4.0 KiB
C++
/*
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Copyright (C) 2015 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "updater.h"
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#include <QCoreApplication>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QXmlStreamReader>
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extern const char* version;
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Updater::Updater()
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{
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http_ = new QNetworkAccessManager(this);
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#if 1
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// Tests!
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Q_ASSERT(isVersionNewer("1.3.0", "1.2.0") == true);
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Q_ASSERT(isVersionNewer("1.3.0", "1.1") == true);
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Q_ASSERT(isVersionNewer("1.2.0", "1.1") == true);
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Q_ASSERT(isVersionNewer("1.1", "1") == true);
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Q_ASSERT(isVersionNewer("10.1", "2") == true);
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Q_ASSERT(isVersionNewer("0.10", "0.2") == true);
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Q_ASSERT(isVersionNewer("1.10.1", "1.2.3") == true);
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Q_ASSERT(isVersionNewer("0.7.1", "0.8") == false);
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#endif
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}
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Updater::~Updater()
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{
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delete http_;
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}
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void Updater::checkForNewVersion()
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{
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QNetworkRequest request(QUrl("http://update.ostinato.org/update/pad.xml"));
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//reqHdr.setHeader("Host", host);
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request.setHeader(QNetworkRequest::UserAgentHeader, userAgent());
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connect(http_, SIGNAL(finished(QNetworkReply*)),
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this, SLOT(parseXml(QNetworkReply*)));
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http_->get(request);
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QList<QByteArray> headers = request.rawHeaderList();
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foreach(QByteArray hdr, headers ) {
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QByteArray val = request.rawHeader(hdr);
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qDebug("Updater: %s: %s", qPrintable(QString(hdr)),
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qPrintable(QString(val)));
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}
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}
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void Updater::parseXml(QNetworkReply *reply)
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{
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QXmlStreamReader xml;
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QString newVersion;
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if (reply->error()) {
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qDebug("Updater: %s", qPrintable(reply->errorString()));
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goto _exit;
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}
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xml.setDevice(reply);
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while (!xml.atEnd()) {
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xml.readNext();
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if (xml.isStartElement() && (xml.name() == "Program_Version"))
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newVersion = xml.readElementText();
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}
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qDebug("Updater: latest version = %s", qPrintable(newVersion));
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if (!newVersion.isEmpty() && isVersionNewer(newVersion, QString(version)))
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emit newVersionAvailable(newVersion);
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emit latestVersion(newVersion);
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_exit:
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// Job done, time to self-destruct
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deleteLater();
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}
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bool Updater::isVersionNewer(QString newVersion, QString curVersion)
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{
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QStringList curVer = QString(curVersion).split('.');
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QStringList newVer = QString(newVersion).split('.');
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for (int i = 0; i < qMin(curVer.size(), newVer.size()); i++) {
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bool isOk;
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uint n = newVer.at(i).toUInt(&isOk);
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uint c = curVer.at(i).toUInt(&isOk);
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if (n > c)
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return true;
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else if (n < c)
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return false;
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}
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if (newVer.size() > curVer.size())
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return true;
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return false;
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}
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QString Updater::userAgent()
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{
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QString ua = QString("Mozilla/5.0 (%1) %2/%3 (Qt/%6)")
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.arg(sysInfo())
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.arg(QCoreApplication::instance()->applicationName())
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.arg(version)
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.arg(qVersion());
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return ua;
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}
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QString Updater::sysInfo()
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{
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#if QT_VERSION >= 0x050400
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return QSysInfo::prettyProductName();
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#else
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#if defined(Q_OS_WIN32)
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return QString("Windows/0x%1").arg(QSysInfo::WindowsVersion, 0, 16);
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#elif defined(Q_OS_LINUX)
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return QString("Linux");
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#elif defined(Q_OS_MAC)
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return QString("MacOSX/0x%1").arg(QSysInfo::MacintoshVersion, 0, 16);
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#elif defined(Q_OS_BSD4)
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return QString("BSD");
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#elif defined(Q_OS_UNIX)
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return QString("Unix");
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#else
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return QString("Unknown");
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#endif
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#endif
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}
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