2022-03-06 02:27:13 +02:00
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/* This file is part of KDesktopSpy
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2022-02-23 20:28:19 +02:00
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Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <KAboutData>
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#include <KCmdLineArgs>
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#include <KApplication>
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#include <KUrl>
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#include <KDebug>
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <QBuffer>
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#include <QDesktopWidget>
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class HttpHeaderParser
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{
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public:
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void parseHeader(const QByteArray &header);
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QString path() const { return m_path; }
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private:
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QString m_path;
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};
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void HttpHeaderParser::parseHeader(const QByteArray &header)
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{
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bool firstline = true;
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foreach (const QByteArray &line, header.split('\n')) {
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if (line.isEmpty()) {
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firstline = false;
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continue;
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}
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if (firstline) {
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const QList<QByteArray> splitline = line.split(' ');
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if (splitline.size() == 3) {
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m_path = splitline.at(1).trimmed();
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}
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}
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firstline = false;
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}
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// qDebug() << Q_FUNC_INFO << m_path;
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}
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class KDesktopSpy : public QObject
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{
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Q_OBJECT
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public:
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KDesktopSpy(QObject *parent = nullptr);
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~KDesktopSpy();
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bool start(const QString &host, int port);
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QString errorString() const;
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public Q_SLOTS:
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void handleRequest();
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private:
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QTcpServer m_tcpserver;
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};
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KDesktopSpy::KDesktopSpy(QObject *parent)
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: QObject(parent)
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{
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connect(&m_tcpserver, SIGNAL(newConnection()), this, SLOT(handleRequest()));
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}
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KDesktopSpy::~KDesktopSpy()
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{
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}
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bool KDesktopSpy::start(const QString &host, int port)
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{
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QHostAddress address;
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address.setAddress(host);
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return m_tcpserver.listen(address, port);
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}
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QString KDesktopSpy::errorString() const
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{
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return m_tcpserver.errorString();
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}
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void KDesktopSpy::handleRequest()
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{
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QTcpSocket *clientConnection = m_tcpserver.nextPendingConnection();
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connect(clientConnection, SIGNAL(disconnected()),
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clientConnection, SLOT(deleteLater()));
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if (!clientConnection->waitForReadyRead()) {
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clientConnection->disconnectFromHost();
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}
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2022-03-06 02:27:13 +02:00
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const QByteArray request(clientConnection->readAll());
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2022-02-23 20:28:19 +02:00
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// qDebug() << Q_FUNC_INFO << "request" << request;
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HttpHeaderParser headerparser;
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headerparser.parseHeader(request);
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QDesktopWidget* desktopwidget = qApp->desktop();
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QByteArray block;
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if (desktopwidget && headerparser.path() == "/") {
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block.append("HTTP/1.1 200 OK\r\n");
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block.append(QString("Date: %1 GMT\r\n").arg(QDateTime(QDateTime::currentDateTime())
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.toString("ddd, dd MMM yyyy hh:mm:ss")).toAscii());
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block.append("Server: KDestopSpy\r\n");
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QByteArray data;
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2022-03-28 04:15:38 +03:00
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data.append(QString("<html><img src=\"image.png\" width=\"%1\" height=\"%2\"><meta http-equiv=\"refresh\" content=\"0.5\"></html>").arg(desktopwidget->width()).arg(desktopwidget->height()).toAscii());
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2022-02-23 20:28:19 +02:00
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block.append("Content-Type: text/html; charset=UTF-8\r\n");
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block.append(QString("Content-Length: %1\r\n\r\n").arg(data.length()).toAscii());
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block.append(data);
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} else if (desktopwidget && headerparser.path() == "/image.png") {
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block.append("HTTP/1.1 200 OK\r\n");
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block.append(QString("Date: %1 GMT\r\n").arg(QDateTime(QDateTime::currentDateTime())
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.toString("ddd, dd MMM yyyy hh:mm:ss")).toAscii());
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block.append("Server: KDestopSpy\r\n");
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// FIXME: grabbing QDesktopWidget does not work?
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// const QPixmap desktoppixmap = QPixmap::grabWidget((QWidget*)desktopwidget);
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const QPixmap desktoppixmap = QPixmap::fromX11Pixmap(QX11Info::appRootWindow());
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QBuffer desktopbuffer;
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desktopbuffer.open(QBuffer::ReadWrite);
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// desktoppixmap.save("/tmp/image.png", "PNG");
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if (!desktoppixmap.save(&desktopbuffer, "PNG")) {
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kWarning() << "could not save image";
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}
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const QByteArray data = desktopbuffer.data();
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block.append("Content-Type: image/png\r\n");
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block.append(QString("Content-Length: %1\r\n\r\n").arg(data.length()).toAscii());
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block.append(data);
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} else {
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block.append("HTTP/1.1 404 Not Found\r\n");
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block.append(QString("Date: %1 GMT\r\n").arg(QDateTime(QDateTime::currentDateTime())
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.toString("ddd, dd MMM yyyy hh:mm:ss")).toAscii());
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block.append("Server: KDestopSpy\r\n");
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2022-03-06 02:27:13 +02:00
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const QByteArray data("<html>404 Not Found</html>");
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2022-02-23 20:28:19 +02:00
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block.append("Content-Type: text/html; charset=UTF-8\r\n");
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block.append(QString("Content-Length: %1\r\n\r\n").arg(data.length()).toAscii());
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block.append(data);
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}
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clientConnection->write(block);
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clientConnection->disconnectFromHost();
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}
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int main(int argc, char** argv)
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{
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KAboutData aboutData("kdesktopspy", 0, ki18n("KDesktopSpy"),
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"1.0.0", ki18n("Spy desktop over network."),
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KAboutData::License_GPL_V2,
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ki18n("(c) 2022 Ivailo Monev"),
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KLocalizedString(),
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"http://github.com/fluxer/katana"
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);
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aboutData.addAuthor(ki18n("Ivailo Monev"),
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ki18n("Maintainer"),
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"xakepa10@gmail.com");
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aboutData.setProgramIconName(QLatin1String("krfb"));
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KCmdLineArgs::init(argc, argv, &aboutData);
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KCmdLineOptions option;
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option.add("address <address>", ki18n("Address to use, default value"), QHostAddress(QHostAddress::Any).toString().toAscii());
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option.add("port <port>", ki18n("Port to use, default value"), "8080");
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KCmdLineArgs::addCmdLineOptions(option);
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KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
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KApplication *kdestopspyapp = new KApplication();
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KDesktopSpy kdesktopspy(kdestopspyapp);
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if (!kdesktopspy.start(args->getOption("address"), args->getOption("port").toInt())) {
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kWarning() << kdesktopspy.errorString();
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return 1;
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}
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qDebug() << "Server running on" << args->getOption("address") << args->getOption("port");
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return kdestopspyapp->exec();
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}
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#include "kdesktopspy.moc"
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