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khttpd: new app for directories sharing
read-only but can be used as regular user which means writing KDED module for it and a bit of config glue code can shape it into the perfect replacement for SMB and NFS shares that requires only a web browser client side (without JS too): https://ibb.co/Dw1V7n0 Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev
parent
a710fea359
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9686bc5943
2 changed files with 267 additions and 0 deletions
20
khttpd/CMakeLists.txt
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20
khttpd/CMakeLists.txt
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project(khttpd)
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if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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find_package(KDE4 4.19.0 REQUIRED)
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include(KDE4Defaults)
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include_directories(${KDE4_INCLUDES})
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add_definitions(${QT_DEFINITIONS} ${KDE4_DEFINITIONS})
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endif()
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set(khttpd_sources
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khttpd.cpp
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)
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add_executable(khttpd ${khttpd_sources})
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target_link_libraries(khttpd
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${KDE4_KDEUI_LIBS}
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${KDE4_KDNSSD_LIBS}
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)
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install(TARGETS khttpd DESTINATION ${KDE4_BIN_INSTALL_DIR})
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247
khttpd/khttpd.cpp
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247
khttpd/khttpd.cpp
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/* This file is part of KHTTPD
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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 <QDir>
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <QHostInfo>
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#include <DNSSD/PublicService>
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static QByteArray bodyForPath(const QString &path, const QString &basedir)
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{
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QByteArray data;
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data.append("<html>");
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QDir dir(path);
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foreach (const QFileInfo &fileinfo, dir.entryInfoList(QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot)) {
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const QString fullpath = path.toLocal8Bit() + QLatin1Char('/') + fileinfo.fileName();
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// chromium does weird stuff if the link starts with two slashes - removes, the host and
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// port part of the link and converts the first path to lower-case
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const QString cleanpath = QDir::cleanPath(fullpath.mid(basedir.size()));
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// qDebug() << Q_FUNC_INFO << fullpath << basedir << cleanpath;
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data.append("<p><a href=\"");
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data.append(cleanpath.toLocal8Bit());
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data.append("\">");
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data.append(fileinfo.fileName().toLocal8Bit());
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data.append("</a></p>");
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}
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data.append("</html>");
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return data;
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}
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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 KHTTPD : public QObject
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{
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Q_OBJECT
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public:
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KHTTPD(QObject *parent = nullptr);
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~KHTTPD();
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bool start(const QString &host, int port, const QString &directory);
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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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QString m_directory;
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DNSSD::PublicService *m_publicservice;
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};
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KHTTPD::KHTTPD(QObject *parent)
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: QObject(parent),
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m_publicservice(nullptr)
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{
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connect(&m_tcpserver, SIGNAL(newConnection()), this, SLOT(handleRequest()));
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}
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KHTTPD::~KHTTPD()
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{
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if (m_publicservice) {
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m_publicservice->stop();
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delete m_publicservice;
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}
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}
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bool KHTTPD::start(const QString &host, int port, const QString &directory)
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{
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m_publicservice = new DNSSD::PublicService(
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i18n("KHTTPD@%1", QHostInfo::localHostName()),
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"_http._tcp", port
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);
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m_publicservice->publishAsync();
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m_directory = directory;
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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 KHTTPD::errorString() const
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{
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return m_tcpserver.errorString();
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}
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void KHTTPD::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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const QByteArray request(clientConnection->readAll());
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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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QFileInfo pathinfo(m_directory + QLatin1Char('/') + headerparser.path());
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// qDebug() << Q_FUNC_INFO << headerparser.path() << pathinfo.filePath();
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const bool isdirectory = pathinfo.isDir();
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const bool isfile = pathinfo.isFile();
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QByteArray block;
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if (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: KHTTPD\r\n");
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QByteArray data = bodyForPath(m_directory, m_directory);
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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 (isdirectory) {
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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: KHTTPD\r\n");
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QByteArray data = bodyForPath(pathinfo.filePath(), m_directory);
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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 (isfile) {
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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: KHTTPD\r\n");
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QFile datafile(pathinfo.filePath());
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datafile.open(QFile::ReadOnly);
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const QByteArray data = datafile.readAll();
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block.append("Content-Type: text/plain; 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 {
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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: KHTTPD\r\n");
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const QByteArray data("<html>404 Not Found</html>");
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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("khttpd", 0, ki18n("KHTTPD"),
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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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option.add("directory <directory>", ki18n("Directory to use, default value"), QDir::currentPath().toAscii());
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KCmdLineArgs::addCmdLineOptions(option);
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KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
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KApplication *khttpdapp = new KApplication();
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KHTTPD khttpd(khttpdapp);
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if (!khttpd.start(args->getOption("address"), args->getOption("port").toInt(), args->getOption("directory"))) {
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kWarning() << khttpd.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") << args->getOption("directory");
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return khttpdapp->exec();
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}
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#include "khttpd.moc"
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