Fix prefjson::setPreferences() doesn't actually save.

src/app/application.cpp

@@ -32,6 +32,7 @@
 #include <QLocale>
 #include <QLibraryInfo>
 #include <QSysInfo>
+
 #ifndef DISABLE_GUI
 #ifdef Q_OS_WIN
 #include <Windows.h>
@@ -39,6 +40,7 @@
 #endif // Q_OS_WIN
 #ifdef Q_OS_MAC
 #include <QFileOpenEvent>
+#include <QFont>
 #include <QUrl>
 #endif // Q_OS_MAC
 #include "mainwindow.h"
@@ -47,8 +49,8 @@
 #include <iostream>
 #endif // DISABLE_GUI
 
-#if (!defined(DISABLE_GUI) && defined(Q_OS_MAC))
+#ifndef DISABLE_WEBUI
-#include <QFont>
+#include "webui.h"
 #endif
 
 #include "application.h"
@@ -92,17 +94,6 @@ void Application::processMessage(const QString &message)
         m_paramsQueue.append(params);
 }
 
-void Application::cleanup()
-{
-#ifndef DISABLE_GUI
-    delete m_window;
-#endif
-    QBtSession::drop();
-    TorrentPersistentData::drop();
-    Preferences::drop();
-    Logger::drop();
-}
-
 bool Application::sendParams(const QStringList &params)
 {
     return sendMessage(params.join(QLatin1String(PARAMS_SEPARATOR)));
@@ -159,7 +150,12 @@ int Application::exec(const QStringList &params)
     // Resume unfinished torrents
     QBtSession::instance()->startUpTorrents();
 
+#ifndef DISABLE_WEBUI
+    m_webui = new WebUI;
+#endif
+
 #ifdef DISABLE_GUI
+#ifndef DISABLE_WEBUI
     Preferences* const pref = Preferences::instance();
     if (pref->isWebUiEnabled()) {
         // Display some information to the user
@@ -172,9 +168,10 @@ int Application::exec(const QStringList &params)
             std::cout << qPrintable(tr("This is a security risk, please consider changing your password from program preferences.")) << std::endl;
         }
     }
+#endif // DISABLE_WEBUI
 #else
     m_window = new MainWindow;
-#endif
+#endif // DISABLE_GUI
 
     m_running = true;
     m_paramsQueue = params + m_paramsQueue;
@@ -290,3 +287,17 @@ void Application::initializeTranslation()
     }
 #endif
 }
+
+void Application::cleanup()
+{
+#ifndef DISABLE_GUI
+    delete m_window;
+#endif
+#ifndef DISABLE_WEBUI
+    delete m_webui;
+#endif
+    QBtSession::drop();
+    TorrentPersistentData::drop();
+    Preferences::drop();
+    Logger::drop();
+}

src/app/application.h

@@ -30,6 +30,7 @@
 #ifndef APPLICATION_H
 #define APPLICATION_H
 
+#include <QPointer>
 #include <QStringList>
 #include <QTranslator>
 
@@ -42,6 +43,10 @@ class MainWindow;
 typedef QtSingleCoreApplication BaseApplication;
 #endif
 
+#ifndef DISABLE_WEBUI
+class WebUI;
+#endif
+
 class Application : public BaseApplication
 {
     Q_OBJECT
@@ -69,9 +74,15 @@ private slots:
 
 private:
     bool m_running;
+
 #ifndef DISABLE_GUI
     QPointer<MainWindow> m_window;
 #endif
+
+#ifndef DISABLE_WEBUI
+    QPointer<WebUI> m_webui;
+#endif
+
     QTranslator m_qtTranslator;
     QTranslator m_translator;
     QStringList m_paramsQueue;

src/app/main.cpp

@@ -49,11 +49,8 @@ Q_IMPORT_PLUGIN(qico)
 #endif // QBT_STATIC_QT
 #else // DISABLE_GUI
 #include <cstdio>
-#include <iostream>
 #endif // DISABLE_GUI
 
-#include "application.h"
-
 #ifdef Q_OS_UNIX
 #include <signal.h>
 #include <execinfo.h>
@@ -67,6 +64,8 @@ Q_IMPORT_PLUGIN(qico)
 #endif //STACKTRACE_WIN
 
 #include <cstdlib>
+#include <iostream>
+#include "application.h"
 #include "misc.h"
 #include "preferences.h"
 #include "logger.h"

src/core/core.pri

@@ -3,7 +3,6 @@ INCLUDEPATH += $$PWD
 unix:!macx:dbus: include(qtnotify/qtnotify.pri)
 
 include(qtlibtorrent/qtlibtorrent.pri)
-include(tracker/tracker.pri)
 
 HEADERS += \
     $$PWD/misc.h \
@@ -16,10 +15,15 @@ HEADERS += \
     $$PWD/smtp.h \
     $$PWD/dnsupdater.h \
     $$PWD/logger.h \
-    $$PWD/httptypes.h \
+    $$PWD/preferences.h \
-    $$PWD/httprequestparser.h \
+    $$PWD/qtracker.h \
-    $$PWD/httpresponsegenerator.h \
+    $$PWD/http/irequesthandler.h \
-    $$PWD/preferences.h
+    $$PWD/http/connection.h \
+    $$PWD/http/requestparser.h \
+    $$PWD/http/responsegenerator.h \
+    $$PWD/http/server.h \
+    $$PWD/http/types.h \
+    $$PWD/http/responsebuilder.h
 
 SOURCES += \
     $$PWD/downloadthread.cpp \
@@ -30,6 +34,10 @@ SOURCES += \
     $$PWD/smtp.cpp \
     $$PWD/dnsupdater.cpp \
     $$PWD/logger.cpp \
-    $$PWD/httprequestparser.cpp \
+    $$PWD/preferences.cpp \
-    $$PWD/httpresponsegenerator.cpp \
+    $$PWD/qtracker.cpp \
-    $$PWD/preferences.cpp
+    $$PWD/http/connection.cpp \
+    $$PWD/http/requestparser.cpp \
+    $$PWD/http/responsegenerator.cpp \
+    $$PWD/http/server.cpp \
+    $$PWD/http/responsebuilder.cpp

src/core/http/connection.cpp

@@ -31,59 +31,60 @@
 
 #include <QTcpSocket>
 #include <QDebug>
-#include "httptypes.h"
+#include "types.h"
-#include "httpserver.h"
+#include "requestparser.h"
-#include "httprequestparser.h"
+#include "responsegenerator.h"
-#include "httpresponsegenerator.h"
+#include "irequesthandler.h"
-#include "webapplication.h"
+#include "connection.h"
-#include "requesthandler.h"
-#include "httpconnection.h"
 
-HttpConnection::HttpConnection(QTcpSocket *socket, HttpServer *httpserver)
+using namespace Http;
-  : QObject(httpserver), m_socket(socket)
+
+Connection::Connection(QTcpSocket *socket, IRequestHandler *requestHandler, QObject *parent)
+  : QObject(parent)
+  , m_socket(socket)
+  , m_requestHandler(requestHandler)
 {
   m_socket->setParent(this);
   connect(m_socket, SIGNAL(readyRead()), SLOT(read()));
   connect(m_socket, SIGNAL(disconnected()), SLOT(deleteLater()));
 }
 
-HttpConnection::~HttpConnection()
+Connection::~Connection()
 {
-  delete m_socket;
 }
 
-void HttpConnection::read()
+void Connection::read()
 {
   m_receivedData.append(m_socket->readAll());
 
-  HttpRequest request;
+  Request request;
-  HttpRequestParser::ErrorCode err = HttpRequestParser::parse(m_receivedData, request);
+  RequestParser::ErrorCode err = RequestParser::parse(m_receivedData, request);
   switch (err)
   {
-  case HttpRequestParser::IncompleteRequest:
+  case RequestParser::IncompleteRequest:
     // Partial request waiting for the rest
     break;
-  case HttpRequestParser::BadRequest:
+  case RequestParser::BadRequest:
-    write(HttpResponse(400, "Bad Request"));
+    sendResponse(Response(400, "Bad Request"));
     break;
-  case HttpRequestParser::NoError:
+  case RequestParser::NoError:
-    HttpEnvironment env;
+    Environment env;
     env.clientAddress = m_socket->peerAddress();
-    HttpResponse response = RequestHandler(request, env, WebApplication::instance()).run();
+    Response response = m_requestHandler->processRequest(request, env);
     if (acceptsGzipEncoding(request.headers["accept-encoding"]))
       response.headers[HEADER_CONTENT_ENCODING] = "gzip";
-    write(response);
+    sendResponse(response);
     break;
   }
 }
 
-void HttpConnection::write(const HttpResponse& response)
+void Connection::sendResponse(const Response &response)
 {
-  m_socket->write(HttpResponseGenerator::generate(response));
+  m_socket->write(ResponseGenerator::generate(response));
   m_socket->disconnectFromHost();
 }
 
-bool HttpConnection::acceptsGzipEncoding(const QString& encoding)
+bool Connection::acceptsGzipEncoding(const QString &encoding)
 {
   int pos = encoding.indexOf("gzip", 0, Qt::CaseInsensitive);
   if (pos == -1)

src/core/http/connection.h

@@ -30,37 +30,42 @@
  */
 
 
-#ifndef HTTPCONNECTION_H
+#ifndef HTTP_CONNECTION_H
-#define HTTPCONNECTION_H
+#define HTTP_CONNECTION_H
 
 #include <QObject>
-#include "httptypes.h"
+#include "types.h"
-
-class HttpServer;
 
 QT_BEGIN_NAMESPACE
 class QTcpSocket;
 QT_END_NAMESPACE
 
-class HttpConnection : public QObject
+namespace Http
+{
+
+class IRequestHandler;
+
+class Connection : public QObject
 {
   Q_OBJECT
-  Q_DISABLE_COPY(HttpConnection)
+  Q_DISABLE_COPY(Connection)
 
 public:
-  HttpConnection(QTcpSocket* socket, HttpServer* httpserver);
+  Connection(QTcpSocket *socket, IRequestHandler *requestHandler, QObject *parent = 0);
-  ~HttpConnection();
+  ~Connection();
 
 private slots:
   void read();
 
 private:
-  void write(const HttpResponse& response);
-
   static bool acceptsGzipEncoding(const QString &encoding);
+  void sendResponse(const Response &response);
 
   QTcpSocket *m_socket;
+  IRequestHandler *m_requestHandler;
   QByteArray m_receivedData;
 };
 
-#endif
+}
+
+#endif // HTTP_CONNECTION_H

src/core/http/irequesthandler.h

@@ -0,0 +1,47 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef HTTP_IREQUESTHANDLER_H
+#define HTTP_IREQUESTHANDLER_H
+
+#include "types.h"
+
+namespace Http
+{
+
+class IRequestHandler
+{
+public:
+    virtual ~IRequestHandler() {}
+    virtual Response processRequest(const Request &request, const Environment &env) = 0;
+};
+
+}
+
+#endif // HTTP_IREQUESTHANDLER_H
+

src/core/http/requestparser.cpp

@@ -38,7 +38,7 @@
 #include <QDir>
 #include <QTemporaryFile>
 #include <QDebug>
-#include "httprequestparser.h"
+#include "requestparser.h"
 
 const QByteArray EOL("\r\n");
 const QByteArray EOH("\r\n\r\n");
@@ -51,19 +51,21 @@ inline QString unquoted(const QString& str)
   return str;
 }
 
-HttpRequestParser::ErrorCode HttpRequestParser::parse(const QByteArray& data, HttpRequest& request, uint maxContentLength)
+using namespace Http;
+
+RequestParser::ErrorCode RequestParser::parse(const QByteArray& data, Request& request, uint maxContentLength)
 {
-  return HttpRequestParser(maxContentLength).parseHttpRequest(data, request);
+  return RequestParser(maxContentLength).parseHttpRequest(data, request);
 }
 
-HttpRequestParser::HttpRequestParser(uint maxContentLength)
+RequestParser::RequestParser(uint maxContentLength)
-  : maxContentLength_(maxContentLength)
+  : m_maxContentLength(maxContentLength)
 {
 }
 
-HttpRequestParser::ErrorCode HttpRequestParser::parseHttpRequest(const QByteArray& data, HttpRequest& request)
+RequestParser::ErrorCode RequestParser::parseHttpRequest(const QByteArray& data, Request& request)
 {
-  request_ = HttpRequest();
+  m_request = Request();
 
   // Parse HTTP request header
   const int header_end = data.indexOf(EOH);
@@ -81,10 +83,10 @@ HttpRequestParser::ErrorCode HttpRequestParser::parseHttpRequest(const QByteArra
 
   // Parse HTTP request message
   int content_length = 0;
-  if (request_.headers.contains("content-length"))
+  if (m_request.headers.contains("content-length"))
   {
-    content_length = request_.headers["content-length"].toInt();
+    content_length = m_request.headers["content-length"].toInt();
-    if (content_length > static_cast<int>(maxContentLength_))
+    if (content_length > static_cast<int>(m_maxContentLength))
     {
       qWarning() << Q_FUNC_INFO << "bad request: message too long";
       return BadRequest;
@@ -108,20 +110,20 @@ HttpRequestParser::ErrorCode HttpRequestParser::parseHttpRequest(const QByteArra
 //  qDebug() << "HTTP Request header:";
 //  qDebug() << data.left(header_end) << "\n";
 
-  request = request_;
+  request = m_request;
   return NoError;
 }
 
-bool HttpRequestParser::parseStartingLine(const QString &line)
+bool RequestParser::parseStartingLine(const QString &line)
 {
   const QRegExp rx("^([A-Z]+)\\s+(\\S+)\\s+HTTP/\\d\\.\\d$");
 
   if (rx.indexIn(line.trimmed()) >= 0)
   {
-    request_.method = rx.cap(1);
+    m_request.method = rx.cap(1);
 
     QUrl url = QUrl::fromEncoded(rx.cap(2).toLatin1());
-    request_.path = url.path(); // Path
+    m_request.path = url.path(); // Path
 
     // Parse GET parameters
 #if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
@@ -132,7 +134,7 @@ bool HttpRequestParser::parseStartingLine(const QString &line)
     while (i.hasNext())
     {
       QPair<QString, QString> pair = i.next();
-      request_.gets[pair.first] = pair.second;
+      m_request.gets[pair.first] = pair.second;
     }
 
     return true;
@@ -142,7 +144,7 @@ bool HttpRequestParser::parseStartingLine(const QString &line)
   return false;
 }
 
-bool HttpRequestParser::parseHeaderLine(const QString &line, QPair<QString, QString>& out)
+bool RequestParser::parseHeaderLine(const QString &line, QPair<QString, QString>& out)
 {
   int i = line.indexOf(QLatin1Char(':'));
   if (i == -1)
@@ -155,7 +157,7 @@ bool HttpRequestParser::parseHeaderLine(const QString &line, QPair<QString, QStr
   return true;
 }
 
-bool HttpRequestParser::parseHttpHeader(const QByteArray &data)
+bool RequestParser::parseHttpHeader(const QByteArray &data)
 {
   QString str = QString::fromUtf8(data);
   QStringList lines = str.trimmed().split(EOL);
@@ -191,13 +193,13 @@ bool HttpRequestParser::parseHttpHeader(const QByteArray &data)
     if (!parseHeaderLine(*it, header))
       return false;
 
-    request_.headers[header.first] = header.second;
+    m_request.headers[header.first] = header.second;
   }
 
   return true;
 }
 
-QList<QByteArray> HttpRequestParser::splitMultipartData(const QByteArray& data, const QByteArray& boundary)
+QList<QByteArray> RequestParser::splitMultipartData(const QByteArray& data, const QByteArray& boundary)
 {
   QList<QByteArray> ret;
   QByteArray sep = boundary + EOL;
@@ -223,14 +225,14 @@ QList<QByteArray> HttpRequestParser::splitMultipartData(const QByteArray& data,
   return ret;
 }
 
-bool HttpRequestParser::parseContent(const QByteArray& data)
+bool RequestParser::parseContent(const QByteArray& data)
 {
   // Parse message content
-  qDebug() << Q_FUNC_INFO << "Content-Length: " << request_.headers["content-length"];
+  qDebug() << Q_FUNC_INFO << "Content-Length: " << m_request.headers["content-length"];
   qDebug() << Q_FUNC_INFO << "data.size(): " << data.size();
 
   // Parse url-encoded POST data
-  if (request_.headers["content-type"].startsWith("application/x-www-form-urlencoded"))
+  if (m_request.headers["content-type"].startsWith("application/x-www-form-urlencoded"))
   {
     QUrl url;
 #if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
@@ -243,7 +245,7 @@ bool HttpRequestParser::parseContent(const QByteArray& data)
     while (i.hasNext())
     {
       QPair<QString, QString> pair = i.next();
-      request_.posts[pair.first.toLower()] = pair.second;
+      m_request.posts[pair.first.toLower()] = pair.second;
     }
 
     return true;
@@ -268,7 +270,7 @@ Content-Disposition: form-data; name=\"Upload\"
 Submit Query
 --cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5--
 **/
-  QString content_type = request_.headers["content-type"];
+  QString content_type = m_request.headers["content-type"];
   if (content_type.startsWith("multipart/form-data"))
   {
     const QRegExp boundaryRegexQuoted("boundary=\"([ \\w'()+,-\\./:=\\?]+)\"");
@@ -309,7 +311,7 @@ Submit Query
   return false;
 }
 
-bool HttpRequestParser::parseFormData(const QByteArray& data)
+bool RequestParser::parseFormData(const QByteArray& data)
 {
   // Parse form data header
   const int header_end = data.indexOf(EOH);
@@ -347,17 +349,17 @@ bool HttpRequestParser::parseFormData(const QByteArray& data)
     ufile.type = disposition["content-type"];
     ufile.data = data.mid(header_end + EOH.length());
 
-    request_.files[disposition["name"]] = ufile;
+    m_request.files[disposition["name"]] = ufile;
   }
   else
   {
-    request_.posts[disposition["name"]] = QString::fromUtf8(data.mid(header_end + EOH.length()));
+    m_request.posts[disposition["name"]] = QString::fromUtf8(data.mid(header_end + EOH.length()));
   }
 
   return true;
 }
 
-bool HttpRequestParser::parseHeaderValue(const QString& value, QStringMap& out)
+bool RequestParser::parseHeaderValue(const QString& value, QStringMap& out)
 {
   QStringList items = value.split(QLatin1Char(';'));
   out[""] = items[0];

src/core/http/requestparser.h

@@ -29,24 +29,27 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef HTTPREQUESTPARSER_H
+#ifndef HTTP_REQUESTPARSER_H
-#define HTTPREQUESTPARSER_H
+#define HTTP_REQUESTPARSER_H
 
-#include "httptypes.h"
+#include "types.h"
 
-class HttpRequestParser
+namespace Http
+{
+
+class RequestParser
 {
 public:
   enum ErrorCode { NoError = 0, IncompleteRequest, BadRequest };
 
   // when result != NoError parsed request is undefined
   // Warning! Header names are converted to lower-case.
-  static ErrorCode parse(const QByteArray& data, HttpRequest& request, uint maxContentLength = 10000000 /* ~10MB */);
+  static ErrorCode parse(const QByteArray& data, Request& request, uint maxContentLength = 10000000 /* ~10MB */);
 
 private:
-  HttpRequestParser(uint maxContentLength);
+  RequestParser(uint maxContentLength);
 
-  ErrorCode parseHttpRequest(const QByteArray& data, HttpRequest& request);
+  ErrorCode parseHttpRequest(const QByteArray& data, Request& request);
 
   bool parseHttpHeader(const QByteArray& data);
   bool parseStartingLine(const QString &line);
@@ -57,8 +60,10 @@ private:
   static bool parseHeaderLine(const QString& line, QPair<QString, QString>& out);
   static bool parseHeaderValue(const QString& value, QStringMap& out);
 
-  const uint maxContentLength_;
+  const uint m_maxContentLength;
-  HttpRequest request_;
+  Request m_request;
 };
 
-#endif
+}
+
+#endif // HTTP_REQUESTPARSER_H

src/core/http/responsebuilder.cpp

@@ -0,0 +1,74 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "responsebuilder.h"
+
+using namespace Http;
+
+ResponseBuilder::ResponseBuilder(QObject *parent)
+    : QObject(parent)
+{
+}
+
+void ResponseBuilder::status(uint code, const QString &text)
+{
+    m_response.status = ResponseStatus(code, text);
+}
+
+void ResponseBuilder::header(const QString &name, const QString &value)
+{
+    m_response.headers[name] = value;
+}
+
+void ResponseBuilder::print(const QString &text, const QString &type)
+{
+    print_impl(text.toUtf8(), type);
+}
+
+void ResponseBuilder::print(const QByteArray &data, const QString &type)
+{
+    print_impl(data, type);
+}
+
+void ResponseBuilder::clear()
+{
+    m_response = Response();
+}
+
+Response ResponseBuilder::response() const
+{
+    return m_response;
+}
+
+void ResponseBuilder::print_impl(const QByteArray &data, const QString &type)
+{
+    if (!m_response.headers.contains(HEADER_CONTENT_TYPE))
+        m_response.headers[HEADER_CONTENT_TYPE] = type;
+
+    m_response.content += data;
+}

src/core/http/responsebuilder.h

@@ -0,0 +1,60 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef HTTP_RESPONSEBUILDER_H
+#define HTTP_RESPONSEBUILDER_H
+
+#include <QObject>
+#include "types.h"
+
+namespace Http
+{
+
+class ResponseBuilder : public QObject
+{
+public:
+    explicit ResponseBuilder(QObject *parent = 0);
+
+protected:
+    void status(uint code = 200, const QString &text = QLatin1String("OK"));
+    void header(const QString &name, const QString &value);
+    void print(const QString &text, const QString &type = CONTENT_TYPE_HTML);
+    void print(const QByteArray &data, const QString &type = CONTENT_TYPE_HTML);
+    void clear();
+
+    Response response() const;
+
+private:
+    void print_impl(const QByteArray &data, const QString &type);
+
+    Response m_response;
+};
+
+}
+
+#endif // HTTP_RESPONSEBUILDER_H

src/core/http/responsegenerator.cpp

@@ -30,11 +30,13 @@
  */
 
 #include <zlib.h>
-#include "httpresponsegenerator.h"
+#include "responsegenerator.h"
 
 bool gCompress(QByteArray data, QByteArray& dest_buffer);
 
-QByteArray HttpResponseGenerator::generate(HttpResponse response)
+using namespace Http;
+
+QByteArray ResponseGenerator::generate(Response response)
 {
   if (response.headers[HEADER_CONTENT_ENCODING] == "gzip")
   {

src/core/http/responsegenerator.h

@@ -30,15 +30,20 @@
  */
 
 
-#ifndef HTTPRESPONSEGENERATOR_H
+#ifndef HTTP_RESPONSEGENERATOR_H
-#define HTTPRESPONSEGENERATOR_H
+#define HTTP_RESPONSEGENERATOR_H
 
-#include "httptypes.h"
+#include "types.h"
 
-class HttpResponseGenerator
+namespace Http
+{
+
+class ResponseGenerator
 {
 public:
-    static QByteArray generate(HttpResponse response);
+    static QByteArray generate(Response response);
 };
 
-#endif
+}
+
+#endif // HTTP_RESPONSEGENERATOR_H

src/core/http/server.cpp

@@ -33,30 +33,33 @@
 #else
 #include <QTcpSocket>
 #endif
-#include "httpconnection.h"
+#include "connection.h"
-#include "httpserver.h"
+#include "server.h"
 
-HttpServer::HttpServer(QObject* parent)
+using namespace Http;
+
+Server::Server(IRequestHandler *requestHandler, QObject* parent)
   : QTcpServer(parent)
+  , m_requestHandler(requestHandler)
 #ifndef QT_NO_OPENSSL
     , m_https(false)
 #endif
 {
 }
 
-HttpServer::~HttpServer()
+Server::~Server()
 {
 }
 
 #ifndef QT_NO_OPENSSL
-void HttpServer::enableHttps(const QSslCertificate &certificate, const QSslKey &key)
+void Server::enableHttps(const QSslCertificate &certificate, const QSslKey &key)
 {
   m_certificate = certificate;
   m_key = key;
   m_https = true;
 }
 
-void HttpServer::disableHttps()
+void Server::disableHttps()
 {
   m_https = false;
   m_certificate.clear();
@@ -65,9 +68,9 @@ void HttpServer::disableHttps()
 #endif
 
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
-void HttpServer::incomingConnection(qintptr socketDescriptor)
+void Server::incomingConnection(qintptr socketDescriptor)
 #else
-void HttpServer::incomingConnection(int socketDescriptor)
+void Server::incomingConnection(int socketDescriptor)
 #endif
 {
   QTcpSocket *serverSocket;
@@ -88,7 +91,7 @@ void HttpServer::incomingConnection(int socketDescriptor)
       static_cast<QSslSocket*>(serverSocket)->startServerEncryption();
     }
 #endif
-    new HttpConnection(serverSocket, this);
+    new Connection(serverSocket, m_requestHandler, this);
   }
   else
   {

src/core/http/server.h

@@ -30,8 +30,8 @@
  */
 
 
-#ifndef HTTPSERVER_H
+#ifndef HTTP_SERVER_H
-#define HTTPSERVER_H
+#define HTTP_SERVER_H
 
 #include <QTcpServer>
 #ifndef QT_NO_OPENSSL
@@ -39,14 +39,20 @@
 #include <QSslKey>
 #endif
 
-class HttpServer : public QTcpServer
+namespace Http
+{
+
+class IRequestHandler;
+class Connection;
+
+class Server : public QTcpServer
 {
   Q_OBJECT
-  Q_DISABLE_COPY(HttpServer)
+  Q_DISABLE_COPY(Server)
 
 public:
-  HttpServer(QObject* parent = 0);
+  Server(IRequestHandler *requestHandler, QObject *parent = 0);
-  ~HttpServer();
+  ~Server();
 
 #ifndef QT_NO_OPENSSL
   void enableHttps(const QSslCertificate &certificate, const QSslKey &key);
@@ -61,6 +67,7 @@ private:
 #endif
 
 private:
+  IRequestHandler *m_requestHandler;
 #ifndef QT_NO_OPENSSL
   bool m_https;
   QSslCertificate m_certificate;
@@ -68,4 +75,6 @@ private:
 #endif
 };
 
-#endif
+}
+
+#endif // HTTP_SERVER_H

src/core/http/types.h

@@ -26,8 +26,8 @@
  * exception statement from your version.
  */
 
-#ifndef HTTPTYPES_H
+#ifndef HTTP_TYPES_H
-#define HTTPTYPES_H
+#define HTTP_TYPES_H
 
 #include <QString>
 #include <QMap>
@@ -35,6 +35,9 @@
 
 typedef QMap<QString, QString> QStringMap;
 
+namespace Http
+{
+
 const QString HEADER_SET_COOKIE = "Set-Cookie";
 const QString HEADER_CONTENT_TYPE = "Content-Type";
 const QString HEADER_CONTENT_ENCODING = "Content-Encoding";
@@ -48,7 +51,7 @@ const QString CONTENT_TYPE_JS = "text/javascript; charset=UTF-8";
 const QString CONTENT_TYPE_PNG = "image/png";
 const QString CONTENT_TYPE_TXT = "text/plain; charset=UTF-8";
 
-struct HttpEnvironment
+struct Environment
 {
     QHostAddress clientAddress;
 };
@@ -60,7 +63,7 @@ struct UploadedFile
     QByteArray data; // File data
 };
 
-struct HttpRequest
+struct Request
 {
     QString method;
     QString path;
@@ -70,21 +73,23 @@ struct HttpRequest
     QMap<QString, UploadedFile> files;
 };
 
-struct HttpResponseStatus
+struct ResponseStatus
 {
     uint code;
     QString text;
 
-  HttpResponseStatus(uint code = 200, const QString& text = "OK"): code(code), text(text) {}
+    ResponseStatus(uint code = 200, const QString& text = "OK"): code(code), text(text) {}
 };
 
-struct HttpResponse
+struct Response
 {
-  HttpResponseStatus status;
+    ResponseStatus status;
     QStringMap headers;
     QByteArray content;
 
-  HttpResponse(uint code = 200, const QString& text = "OK"): status(code, text) {}
+    Response(uint code = 200, const QString& text = "OK"): status(code, text) {}
 };
 
-#endif // HTTPTYPES_H
+}
+
+#endif // HTTP_TYPES_H

src/core/qtlibtorrent/qbtsession.cpp

@@ -57,7 +57,6 @@
 #include "geoipmanager.h"
 #endif
 #include "torrentpersistentdata.h"
-#include "httpserver.h"
 #include "bandwidthscheduler.h"
 #include <libtorrent/version.hpp>
 #include <libtorrent/extensions/ut_metadata.hpp>
@@ -79,7 +78,6 @@
 #include <libtorrent/magnet_uri.hpp>
 #include <queue>
 #include <string.h>
-#include "dnsupdater.h"
 
 #if LIBTORRENT_VERSION_NUM < 10000
 #include <libtorrent/upnp.hpp>
@@ -117,7 +115,6 @@ QBtSession::QBtSession()
   #if LIBTORRENT_VERSION_NUM < 10000
   , m_upnp(0), m_natpmp(0)
   #endif
-  , m_dynDNSUpdater(0)
   , m_alertDispatcher(0)
 {
   BigRatioTimer = new QTimer(this);
@@ -159,6 +156,7 @@ QBtSession::QBtSession()
   connect(m_scanFolders, SIGNAL(torrentsAdded(QStringList&)), SLOT(addTorrentsFromScanFolder(QStringList&)));
   // Apply user settings to Bittorrent session
   configureSession();
+  connect(pref, SIGNAL(changed()), SLOT(configureSession()));
   // Torrent speed monitor
   m_speedMonitor = new TorrentSpeedMonitor(this);
   m_torrentStatistics = new TorrentStatistics(this, this);
@@ -191,9 +189,6 @@ QBtSession::~QBtSession() {
   delete downloader;
   if (bd_scheduler)
     delete bd_scheduler;
-  // HTTP Server
-  if (httpServer)
-    delete httpServer;
   delete m_alertDispatcher;
   delete m_torrentStatistics;
   qDebug("Deleting the session");
@@ -583,9 +578,6 @@ void QBtSession::configureSession() {
   }else{
     disableIPFilter();
   }
-  // Update Web UI
-  // Use a QTimer because the function can be called from qBtSession constructor
-  QTimer::singleShot(0, this, SLOT(initWebUi()));
   // * Proxy settings
   proxy_settings proxySettings;
   if (pref->isProxyEnabled()) {
@@ -655,64 +647,6 @@ void QBtSession::configureSession() {
   qDebug("Session configured");
 }
 
-void QBtSession::initWebUi() {
-  Preferences* const pref = Preferences::instance();
-  if (pref->isWebUiEnabled()) {
-    const quint16 port = pref->getWebUiPort();
-
-    if (httpServer) {
-      if (httpServer->serverPort() != port) {
-        httpServer->close();
-      }
-    } else {
-      httpServer = new HttpServer(this);
-    }
-
-#ifndef QT_NO_OPENSSL
-    if (pref->isWebUiHttpsEnabled()) {
-      QSslCertificate cert(pref->getWebUiHttpsCertificate());
-      QSslKey key;
-      const QByteArray raw_key = pref->getWebUiHttpsKey();
-      key = QSslKey(raw_key, QSsl::Rsa);
-      if (!cert.isNull() && !key.isNull())
-        httpServer->enableHttps(cert, key);
-      else
-        httpServer->disableHttps();
-    } else {
-      httpServer->disableHttps();
-    }
-#endif
-
-    if (!httpServer->isListening()) {
-      Logger* const logger = Logger::instance();
-      bool success = httpServer->listen(QHostAddress::Any, port);
-      if (success)
-        logger->addMessage(tr("The Web UI is listening on port %1").arg(port));
-      else
-        logger->addMessage(tr("Web User Interface Error - Unable to bind Web UI to port %1").arg(port), Log::CRITICAL);
-    }
-    // DynDNS
-    if (pref->isDynDNSEnabled()) {
-      if (!m_dynDNSUpdater)
-        m_dynDNSUpdater = new DNSUpdater(this);
-      else
-        m_dynDNSUpdater->updateCredentials();
-    } else {
-      if (m_dynDNSUpdater) {
-        delete m_dynDNSUpdater;
-        m_dynDNSUpdater = 0;
-      }
-    }
-  } else {
-    if (httpServer)
-      delete httpServer;
-    if (m_dynDNSUpdater) {
-      delete m_dynDNSUpdater;
-      m_dynDNSUpdater = 0;
-    }
-  }
-}
-
 void QBtSession::useAlternativeSpeedsLimit(bool alternative) {
   qDebug() << Q_FUNC_INFO << alternative;
   // Save new state to remember it on startup
@@ -1495,6 +1429,7 @@ void QBtSession::enableUPnP(bool b) {
     s->start_upnp();
     s->start_natpmp();
 #endif
+    // TODO: Remove dependency from WebUI
     // Use UPnP/NAT-PMP for Web UI too
     if (pref->isWebUiEnabled() && pref->useUPnPForWebUIPort()) {
       const qint16 port = pref->getWebUiPort();

src/core/qtlibtorrent/qbtsession.h

@@ -90,12 +90,10 @@ namespace libtorrent {
 
 class DownloadThread;
 class FilterParserThread;
-class HttpServer;
 class BandwidthScheduler;
 class ScanFoldersModel;
 class TorrentSpeedMonitor;
 class TorrentStatistics;
-class DNSUpdater;
 class QAlertDispatcher;
 
 enum TorrentExportFolder {
@@ -209,7 +207,6 @@ public slots:
 #endif
   void addMagnetInteractive(const QString& uri);
   void downloadFromURLList(const QStringList& urls);
-  void configureSession();
   void banIP(QString ip);
   void recursiveTorrentDownload(const QTorrentHandle &h);
   void unhideMagnet(const QString &hash);
@@ -264,9 +261,9 @@ private slots:
   void mergeTorrents(QTorrentHandle& h_ex, boost::intrusive_ptr<libtorrent::torrent_info> t);
   void mergeTorrents(QTorrentHandle& h_ex, const QString& magnet_uri);
   void exportTorrentFile(const QTorrentHandle &h, TorrentExportFolder folder = RegularTorrentExportFolder);
-  void initWebUi();
   void handleIPFilterParsed(int ruleCount);
   void handleIPFilterError();
+  void configureSession();
 
 signals:
   void addedTorrent(const QTorrentHandle& h);
@@ -327,8 +324,6 @@ private:
   // IP filtering
   QPointer<FilterParserThread> filterParser;
   QString filterPath;
-  // Web UI
-  QPointer<HttpServer> httpServer;
   QList<QUrl> url_skippingDlg;
   // GeoIP
 #ifndef DISABLE_GUI
@@ -344,8 +339,6 @@ private:
   libtorrent::upnp *m_upnp;
   libtorrent::natpmp *m_natpmp;
 #endif
-  // DynDNS
-  DNSUpdater *m_dynDNSUpdater;
   QAlertDispatcher* m_alertDispatcher;
   TorrentStatistics* m_torrentStatistics;
 };

src/core/qtracker.cpp

@@ -1,5 +1,6 @@
 /*
  * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -28,163 +29,171 @@
  * Contact : chris@qbittorrent.org
  */
 
-#include <QTcpSocket>
+#include <vector>
-
 #include <libtorrent/bencode.hpp>
-#include <libtorrent/entry.hpp>
 
-#include "qtracker.h"
 #include "preferences.h"
-#include "httpresponsegenerator.h"
+#include "http/server.h"
-#include "httprequestparser.h"
+#include "qtracker.h"
-
-#include <vector>
-
-using namespace libtorrent;
 
-QTracker::QTracker(QObject *parent) :
+// QPeer
-  QTcpServer(parent)
+bool QPeer::operator!=(const QPeer &other) const
 {
-  Q_ASSERT(Preferences::instance()->isTrackerEnabled());
+    return qhash() != other.qhash();
-  connect(this, SIGNAL(newConnection()), this, SLOT(handlePeerConnection()));
 }
 
-QTracker::~QTracker() {
+bool QPeer::operator==(const QPeer &other) const
-  if (isListening()) {
+{
-    qDebug("Shutting down the embedded tracker...");
+    return qhash() == other.qhash();
-    close();
 }
-  // TODO: Store the torrent list
+
+QString QPeer::qhash() const
+{
+    return ip + ":" + QString::number(port);
 }
 
-void QTracker::handlePeerConnection()
+libtorrent::entry QPeer::toEntry(bool no_peer_id) const
 {
-  QTcpSocket *socket;
+    libtorrent::entry::dictionary_type peer_map;
-  while((socket = nextPendingConnection()))
+    if (!no_peer_id)
+        peer_map["id"] = libtorrent::entry(peer_id.toStdString());
+    peer_map["ip"] = libtorrent::entry(ip.toStdString());
+    peer_map["port"] = libtorrent::entry(port);
+
+    return libtorrent::entry(peer_map);
+}
+
+// QTracker
+
+QTracker::QTracker(QObject *parent)
+    : Http::ResponseBuilder(parent)
+    , m_server(new Http::Server(this, this))
 {
-    qDebug("QTracker: New peer connection");
-    connect(socket, SIGNAL(readyRead()), SLOT(readRequest()));
 }
+
+QTracker::~QTracker()
+{
+  if (m_server->isListening())
+    qDebug("Shutting down the embedded tracker...");
+  // TODO: Store the torrent list
 }
 
 bool QTracker::start()
 {
   const int listen_port = Preferences::instance()->getTrackerPort();
-  //
+
-  if (isListening()) {
+  if (m_server->isListening()) {
-    if (serverPort() == listen_port) {
+    if (m_server->serverPort() == listen_port) {
       // Already listening on the right port, just return
       return true;
     }
     // Wrong port, closing the server
-    close();
+    m_server->close();
   }
+
   qDebug("Starting the embedded tracker...");
   // Listen on the predefined port
-  return listen(QHostAddress::Any, listen_port);
+  return m_server->listen(QHostAddress::Any, listen_port);
 }
 
-void QTracker::readRequest()
+Http::Response QTracker::processRequest(const Http::Request &request, const Http::Environment &env)
 {
-  QTcpSocket *socket = static_cast<QTcpSocket*>(sender());
+    clear(); // clear response
-  QByteArray input = socket->readAll();
+
-  //qDebug("QTracker: Raw request:\n%s", input.data());
-  HttpRequest request;
-  if (HttpRequestParser::parse(input, request) != HttpRequestParser::NoError) {
-    qDebug("QTracker: Invalid HTTP Request:\n %s", qPrintable(input));
-    respondInvalidRequest(socket, 100, "Invalid request type");
-    return;
-  }
     //qDebug("QTracker received the following request:\n%s", qPrintable(parser.toString()));
-  // Request is correct, is it a GET request?
+    // Is request a GET request?
     if (request.method != "GET") {
       qDebug("QTracker: Unsupported HTTP request: %s", qPrintable(request.method));
-    respondInvalidRequest(socket, 100, "Invalid request type");
+      status(100, "Invalid request type");
-    return;
     }
-  if (!request.path.startsWith("/announce", Qt::CaseInsensitive)) {
+    else if (!request.path.startsWith("/announce", Qt::CaseInsensitive)) {
       qDebug("QTracker: Unrecognized path: %s", qPrintable(request.path));
-    respondInvalidRequest(socket, 100, "Invalid request type");
+      status(100, "Invalid request type");
-    return;
     }
-
+    else {
         // OK, this is a GET request
-  respondToAnnounceRequest(socket, request.gets);
+        m_request = request;
+        m_env = env;
+        respondToAnnounceRequest();
     }
 
-void QTracker::respondInvalidRequest(QTcpSocket *socket, int code, QString msg)
+    return response();
-{
-  HttpResponse response(code, msg);
-  socket->write(HttpResponseGenerator::generate(response));
-  socket->disconnectFromHost();
 }
 
-void QTracker::respondToAnnounceRequest(QTcpSocket *socket,
+void QTracker::respondToAnnounceRequest()
-                                        const QMap<QString, QString>& get_parameters)
 {
+  const QStringMap &gets = m_request.gets;
   TrackerAnnounceRequest annonce_req;
+
   // IP
-  annonce_req.peer.ip = socket->peerAddress().toString();
+  annonce_req.peer.ip = m_env.clientAddress.toString();
+
   // 1. Get info_hash
-  if (!get_parameters.contains("info_hash")) {
+  if (!gets.contains("info_hash")) {
     qDebug("QTracker: Missing info_hash");
-    respondInvalidRequest(socket, 101, "Missing info_hash");
+    status(101, "Missing info_hash");
     return;
   }
-  annonce_req.info_hash = get_parameters.value("info_hash");
+  annonce_req.info_hash = gets.value("info_hash");
   // info_hash cannot be longer than 20 bytes
   /*if (annonce_req.info_hash.toLatin1().length() > 20) {
     qDebug("QTracker: Info_hash is not 20 byte long: %s (%d)", qPrintable(annonce_req.info_hash), annonce_req.info_hash.toLatin1().length());
-    respondInvalidRequest(socket, 150, "Invalid infohash");
+    status(150, "Invalid infohash");
     return;
   }*/
+
   // 2. Get peer ID
-  if (!get_parameters.contains("peer_id")) {
+  if (!gets.contains("peer_id")) {
     qDebug("QTracker: Missing peer_id");
-    respondInvalidRequest(socket, 102, "Missing peer_id");
+    status(102, "Missing peer_id");
     return;
   }
-  annonce_req.peer.peer_id = get_parameters.value("peer_id");
+  annonce_req.peer.peer_id = gets.value("peer_id");
   // peer_id cannot be longer than 20 bytes
   /*if (annonce_req.peer.peer_id.length() > 20) {
     qDebug("QTracker: peer_id is not 20 byte long: %s", qPrintable(annonce_req.peer.peer_id));
-    respondInvalidRequest(socket, 151, "Invalid peerid");
+    status(151, "Invalid peerid");
     return;
   }*/
+
   // 3. Get port
-  if (!get_parameters.contains("port")) {
+  if (!gets.contains("port")) {
     qDebug("QTracker: Missing port");
-    respondInvalidRequest(socket, 103, "Missing port");
+    status(103, "Missing port");
     return;
   }
   bool ok = false;
-  annonce_req.peer.port = get_parameters.value("port").toInt(&ok);
+  annonce_req.peer.port = gets.value("port").toInt(&ok);
   if (!ok || annonce_req.peer.port < 1 || annonce_req.peer.port > 65535) {
     qDebug("QTracker: Invalid port number (%d)", annonce_req.peer.port);
-    respondInvalidRequest(socket, 103, "Missing port");
+    status(103, "Missing port");
     return;
   }
+
   // 4.  Get event
   annonce_req.event = "";
-  if (get_parameters.contains("event")) {
+  if (gets.contains("event")) {
-    annonce_req.event = get_parameters.value("event");
+    annonce_req.event = gets.value("event");
     qDebug("QTracker: event is %s", qPrintable(annonce_req.event));
   }
+
   // 5. Get numwant
   annonce_req.numwant = 50;
-  if (get_parameters.contains("numwant")) {
+  if (gets.contains("numwant")) {
-    int tmp = get_parameters.value("numwant").toInt();
+    int tmp = gets.value("numwant").toInt();
     if (tmp > 0) {
       qDebug("QTracker: numwant = %d", tmp);
       annonce_req.numwant = tmp;
     }
   }
+
   // 6. no_peer_id (extension)
   annonce_req.no_peer_id = false;
-  if (get_parameters.contains("no_peer_id")) {
+  if (gets.contains("no_peer_id"))
     annonce_req.no_peer_id = true;
-  }
+
   // 7. TODO: support "compact" extension
+
   // Done parsing, now let's reply
   if (m_torrents.contains(annonce_req.info_hash)) {
     if (annonce_req.event == "stopped") {
@@ -207,33 +216,32 @@ void QTracker::respondToAnnounceRequest(QTcpSocket *socket,
   }
   peers[annonce_req.peer.qhash()] = annonce_req.peer;
   m_torrents[annonce_req.info_hash] = peers;
+
   // Reply
-  ReplyWithPeerList(socket, annonce_req);
+  replyWithPeerList(annonce_req);
 }
 
-void QTracker::ReplyWithPeerList(QTcpSocket *socket, const TrackerAnnounceRequest &annonce_req)
+void QTracker::replyWithPeerList(const TrackerAnnounceRequest &annonce_req)
 {
   // Prepare the entry for bencoding
-  entry::dictionary_type reply_dict;
+  libtorrent::entry::dictionary_type reply_dict;
-  reply_dict["interval"] = entry(ANNOUNCE_INTERVAL);
+  reply_dict["interval"] = libtorrent::entry(ANNOUNCE_INTERVAL);
   QList<QPeer> peers = m_torrents.value(annonce_req.info_hash).values();
-  entry::list_type peer_list;
+  libtorrent::entry::list_type peer_list;
   foreach (const QPeer & p, peers) {
     //if (p != annonce_req.peer)
       peer_list.push_back(p.toEntry(annonce_req.no_peer_id));
   }
-  reply_dict["peers"] = entry(peer_list);
+  reply_dict["peers"] = libtorrent::entry(peer_list);
-  entry reply_entry(reply_dict);
+  libtorrent::entry reply_entry(reply_dict);
   // bencode
   std::vector<char> buf;
-  bencode(std::back_inserter(buf), reply_entry);
+  libtorrent::bencode(std::back_inserter(buf), reply_entry);
   QByteArray reply(&buf[0], static_cast<int>(buf.size()));
   qDebug("QTracker: reply with the following bencoded data:\n %s", reply.constData());
+
   // HTTP reply
-  HttpResponse response(200, "OK");
+  print(reply, Http::CONTENT_TYPE_TXT);
-  response.content = reply;
-  socket->write(HttpResponseGenerator::generate(response));
-  socket->disconnectFromHost();
 }
 
 

src/core/qtracker.h

@@ -1,5 +1,6 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2010  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -31,11 +32,33 @@
 #ifndef QTRACKER_H
 #define QTRACKER_H
 
-#include <QTcpServer>
+#include <libtorrent/entry.hpp>
 #include <QHash>
+#include "http/types.h"
+#include "http/responsebuilder.h"
+#include "http/irequesthandler.h"
 
-#include "trackerannouncerequest.h"
+struct QPeer
-#include "qpeer.h"
+{
+    QString ip;
+    QString peer_id;
+    int port;
+
+    bool operator!=(const QPeer &other) const;
+    bool operator==(const QPeer &other) const;
+    QString qhash() const;
+    libtorrent::entry toEntry(bool no_peer_id) const;
+};
+
+struct TrackerAnnounceRequest
+{
+    QString info_hash;
+    QString event;
+    int numwant;
+    QPeer peer;
+    // Extensions
+    bool no_peer_id;
+};
 
 // static limits
 const int MAX_TORRENTS = 100;
@@ -45,9 +68,11 @@ const int ANNOUNCE_INTERVAL = 1800; // 30min
 typedef QHash<QString, QPeer> PeerList;
 typedef QHash<QString, PeerList> TorrentList;
 
-/* Basic Bittorrent tracker implementation in Qt4 */
+namespace Http { class Server; }
+
+/* Basic Bittorrent tracker implementation in Qt */
 /* Following http://wiki.theory.org/BitTorrent_Tracker_Protocol */
-class QTracker : public QTcpServer
+class QTracker : public Http::ResponseBuilder, public Http::IRequestHandler
 {
   Q_OBJECT
   Q_DISABLE_COPY(QTracker)
@@ -55,18 +80,19 @@ class QTracker : public QTcpServer
 public:
   explicit QTracker(QObject *parent = 0);
   ~QTracker();
-  bool start();
 
-protected slots:
+  bool start();
-  void readRequest();
+  Http::Response processRequest(const Http::Request &request, const Http::Environment &env);
-  void handlePeerConnection();
-  void respondInvalidRequest(QTcpSocket *socket, int code, QString msg);
-  void respondToAnnounceRequest(QTcpSocket *socket, const QMap<QString, QString>& get_parameters);
-  void ReplyWithPeerList(QTcpSocket *socket, const TrackerAnnounceRequest &annonce_req);
 
 private:
+  void respondToAnnounceRequest();
+  void replyWithPeerList(const TrackerAnnounceRequest &annonce_req);
+
+  Http::Server *m_server;
   TorrentList m_torrents;
 
+  Http::Request m_request;
+  Http::Environment m_env;
 };
 
 #endif // QTRACKER_H

src/core/tracker/qpeer.h

@@ -1,35 +0,0 @@
-#ifndef QPEER_H
-#define QPEER_H
-
-#include <libtorrent/entry.hpp>
-#include <QString>
-
-struct QPeer {
-
-  bool operator!=(const QPeer &other) const {
-    return qhash() != other.qhash();
-  }
-
-  bool operator==(const QPeer &other) const {
-    return qhash() == other.qhash();
-  }
-
-  QString qhash() const {
-    return ip+":"+QString::number(port);
-  }
-
-  libtorrent::entry toEntry(bool no_peer_id) const {
-    libtorrent::entry::dictionary_type peer_map;
-    if (!no_peer_id)
-      peer_map["id"] = libtorrent::entry(peer_id.toStdString());
-    peer_map["ip"] = libtorrent::entry(ip.toStdString());
-    peer_map["port"] = libtorrent::entry(port);
-    return libtorrent::entry(peer_map);
-  }
-
-  QString ip;
-  QString peer_id;
-  int port;
-};
-
-#endif // QPEER_H

src/core/tracker/tracker.pri

@@ -1,9 +0,0 @@
-INCLUDEPATH += $$PWD
-
-HEADERS += \
-    $$PWD/qtracker.h \
-    $$PWD/trackerannouncerequest.h \
-    $$PWD/qpeer.h
-
-SOURCES += \
-    $$PWD/qtracker.cpp

src/core/tracker/trackerannouncerequest.h

@@ -1,15 +0,0 @@
-#ifndef TRACKERANNOUNCEREQUEST_H
-#define TRACKERANNOUNCEREQUEST_H
-
-#include <qpeer.h>
-
-struct TrackerAnnounceRequest {
-  QString info_hash;
-  QString event;
-  int numwant;
-  QPeer peer;
-  // Extensions
-  bool no_peer_id;
-};
-
-#endif // TRACKERANNOUNCEREQUEST_H

src/gui/mainwindow.cpp

@@ -1185,9 +1185,6 @@ void MainWindow::loadPreferences(bool configure_session)
     IconProvider::instance()->useSystemIconTheme(pref->useSystemIconTheme());
 #endif
 
-    if (configure_session)
-        QBtSession::instance()->configureSession();
-
 #if defined(Q_OS_WIN) || defined(Q_OS_MAC)
     if (pref->isUpdateCheckEnabled())
         checkProgramUpdate();

src/gui/options_imp.cpp

@@ -70,7 +70,11 @@ options_imp::options_imp(QWidget *parent):
   tabSelection->item(TAB_CONNECTION)->setIcon(IconProvider::instance()->getIcon("network-wired"));
   tabSelection->item(TAB_DOWNLOADS)->setIcon(IconProvider::instance()->getIcon("download"));
   tabSelection->item(TAB_SPEED)->setIcon(IconProvider::instance()->getIcon("chronometer"));
+#ifndef DISABLE_WEBUI
   tabSelection->item(TAB_WEBUI)->setIcon(IconProvider::instance()->getIcon("network-server"));
+#else
+  tabSelection->item(TAB_WEBUI)->setHidden(true);
+#endif
   tabSelection->item(TAB_ADVANCED)->setIcon(IconProvider::instance()->getIcon("preferences-other"));
   IpFilterRefreshBtn->setIcon(IconProvider::instance()->getIcon("view-refresh"));
 
@@ -229,6 +233,7 @@ options_imp::options_imp(QWidget *parent):
   connect(spinMaxActiveUploads, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(spinMaxActiveTorrents, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkIgnoreSlowTorrentsForQueueing, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
+#ifndef DISABLE_WEBUI
   // Web UI tab
   connect(checkWebUi, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(spinWebUiPort, SIGNAL(valueChanged(int)), this, SLOT(enableApplyButton()));
@@ -244,6 +249,7 @@ options_imp::options_imp(QWidget *parent):
   connect(domainNameTxt, SIGNAL(textChanged(QString)), SLOT(enableApplyButton()));
   connect(DNSUsernameTxt, SIGNAL(textChanged(QString)), SLOT(enableApplyButton()));
   connect(DNSPasswordTxt, SIGNAL(textChanged(QString)), SLOT(enableApplyButton()));
+#endif
   // Disable apply Button
   applyButton->setEnabled(false);
   // Tab selection mecanism

src/webui/abstractrequesthandler.cpp

@@ -1,167 +0,0 @@
-/*
- * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
- * Copyright (C) 2012, Christophe Dumez <chris@qbittorrent.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
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- */
-
-#include <QDebug>
-#include <QDir>
-#include <QTemporaryFile>
-#include <QNetworkCookie>
-#include "preferences.h"
-#include "webapplication.h"
-#include "abstractrequesthandler.h"
-
-AbstractRequestHandler::AbstractRequestHandler(const HttpRequest &request, const HttpEnvironment &env, WebApplication *app)
-    : app_(app), session_(0), request_(request), env_(env)
-{
-    sessionInitialize();
-    if (!sessionActive() && !isAuthNeeded())
-        sessionStart();
-}
-
-HttpResponse AbstractRequestHandler::run()
-{
-    if (isBanned()) {
-        status(403, "Forbidden");
-        print(QObject::tr("Your IP address has been banned after too many failed authentication attempts."), CONTENT_TYPE_TXT);
-    }
-    else {
-        processRequest();
-    }
-
-    return response_;
-}
-
-bool AbstractRequestHandler::isAuthNeeded()
-{
-    return
-        (
-        env_.clientAddress != QHostAddress::LocalHost &&
-        env_.clientAddress != QHostAddress::LocalHostIPv6
-        ) || Preferences::instance()->isWebUiLocalAuthEnabled();
-}
-
-void AbstractRequestHandler::status(uint code, const QString& text)
-{
-    response_.status = HttpResponseStatus(code, text);
-}
-
-void AbstractRequestHandler::header(const QString& name, const QString& value)
-{
-    response_.headers[name] = value;
-}
-
-void AbstractRequestHandler::print(const QString& text, const QString& type)
-{
-    print_impl(text.toUtf8(), type);
-}
-
-void AbstractRequestHandler::print(const QByteArray& data, const QString& type)
-{
-    print_impl(data, type);
-}
-
-void AbstractRequestHandler::print_impl(const QByteArray& data, const QString& type)
-{
-    if (!response_.headers.contains(HEADER_CONTENT_TYPE))
-        response_.headers[HEADER_CONTENT_TYPE] = type;
-
-    response_.content += data;
-}
-
-void AbstractRequestHandler::printFile(const QString& path)
-{
-    QByteArray data;
-    QString type;
-
-    if (!app_->readFile(path, data, type)) {
-        status(404, "Not Found");
-        return;
-    }
-
-    print(data, type);
-}
-
-void AbstractRequestHandler::sessionInitialize()
-{
-    app_->sessionInitialize(this);
-}
-
-void AbstractRequestHandler::sessionStart()
-{
-    if (app_->sessionStart(this)) {
-        QNetworkCookie cookie(C_SID.toUtf8(), session_->id.toUtf8());
-        cookie.setPath("/");
-        header(HEADER_SET_COOKIE, cookie.toRawForm());
-    }
-}
-
-void AbstractRequestHandler::sessionEnd()
-{
-    if (sessionActive()) {
-        QNetworkCookie cookie(C_SID.toUtf8(), session_->id.toUtf8());
-        cookie.setPath("/");
-        cookie.setExpirationDate(QDateTime::currentDateTime());
-
-        if (app_->sessionEnd(this))
-            header(HEADER_SET_COOKIE, cookie.toRawForm());
-    }
-}
-
-bool AbstractRequestHandler::isBanned() const
-{
-    return app_->isBanned(this);
-}
-
-int AbstractRequestHandler::failedAttempts() const
-{
-    return app_->failedAttempts(this);
-}
-
-void AbstractRequestHandler::resetFailedAttempts()
-{
-    app_->resetFailedAttempts(this);
-}
-
-void AbstractRequestHandler::increaseFailedAttempts()
-{
-    app_->increaseFailedAttempts(this);
-}
-
-QString AbstractRequestHandler::saveTmpFile(const QByteArray &data)
-{
-    QTemporaryFile tmpfile(QDir::temp().absoluteFilePath("qBT-XXXXXX.torrent"));
-    tmpfile.setAutoRemove(false);
-    if (tmpfile.open()) {
-        tmpfile.write(data);
-        tmpfile.close();
-        return tmpfile.fileName();
-    }
-
-    qWarning() << "I/O Error: Could not create temporary file";
-    return QString();
-}

src/webui/abstractwebapplication.cpp

@@ -0,0 +1,413 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QCoreApplication>
+#include <QDateTime>
+#include <QDebug>
+#include <QDir>
+#include <QFile>
+#include <QNetworkCookie>
+#include <QTemporaryFile>
+#include <QTimer>
+
+#include "preferences.h"
+#include "websessiondata.h"
+#include "abstractwebapplication.h"
+
+// UnbanTimer
+
+class UnbanTimer: public QTimer
+{
+public:
+  UnbanTimer(const QHostAddress& peer_ip, QObject *parent)
+    : QTimer(parent), m_peerIp(peer_ip)
+  {
+    setSingleShot(true);
+    setInterval(BAN_TIME);
+  }
+
+  inline const QHostAddress& peerIp() const { return m_peerIp; }
+
+private:
+  QHostAddress m_peerIp;
+};
+
+// WebSession
+
+struct WebSession
+{
+    const QString id;
+    uint timestamp;
+    WebSessionData data;
+
+    WebSession(const QString& id)
+        : id(id)
+    {
+    }
+
+    void updateTimestamp()
+    {
+        timestamp = QDateTime::currentDateTime().toTime_t();
+    }
+};
+
+// AbstractWebApplication
+
+AbstractWebApplication::AbstractWebApplication(QObject *parent)
+  : Http::ResponseBuilder(parent)
+  , session_(0)
+{
+    QTimer *timer = new QTimer(this);
+    timer->setInterval(60000); // 1 min.
+    connect(timer, SIGNAL(timeout()), SLOT(removeInactiveSessions()));
+}
+
+AbstractWebApplication::~AbstractWebApplication()
+{
+  // cleanup sessions data
+    qDeleteAll(sessions_);
+}
+
+Http::Response AbstractWebApplication::processRequest(const Http::Request &request, const Http::Environment &env)
+{
+    request_ = request;
+    env_ = env;
+
+    clear(); // clear response
+
+    sessionInitialize();
+    if (!sessionActive() && !isAuthNeeded())
+        sessionStart();
+
+    if (isBanned()) {
+        status(403, "Forbidden");
+        print(QObject::tr("Your IP address has been banned after too many failed authentication attempts."), Http::CONTENT_TYPE_TXT);
+    }
+    else {
+        processRequest();
+    }
+
+    return response();
+}
+
+void AbstractWebApplication::UnbanTimerEvent()
+{
+  UnbanTimer* ubantimer = static_cast<UnbanTimer*>(sender());
+  qDebug("Ban period has expired for %s", qPrintable(ubantimer->peerIp().toString()));
+  clientFailedAttempts_.remove(ubantimer->peerIp());
+  ubantimer->deleteLater();
+}
+
+void AbstractWebApplication::removeInactiveSessions()
+{
+    const uint now = QDateTime::currentDateTime().toTime_t();
+
+    foreach (const QString &id, sessions_.keys()) {
+        if ((now - sessions_[id]->timestamp) > INACTIVE_TIME)
+            delete sessions_.take(id);
+    }
+}
+
+bool AbstractWebApplication::sessionInitialize()
+{
+  static const QString SID_START = QLatin1String(C_SID) + QLatin1String("=");
+
+  if (session_ == 0)
+  {
+    QString cookie = request_.headers.value("cookie");
+    //qDebug() << Q_FUNC_INFO << "cookie: " << cookie;
+
+    QString sessionId;
+    int pos = cookie.indexOf(SID_START);
+    if (pos >= 0)
+    {
+      pos += SID_START.length();
+      int end = cookie.indexOf(QRegExp("[,;]"), pos);
+      sessionId = cookie.mid(pos, end >= 0 ? end - pos : end);
+    }
+
+    // TODO: Additional session check
+
+    if (!sessionId.isNull())
+    {
+      if (sessions_.contains(sessionId))
+      {
+        session_ = sessions_[sessionId];
+        session_->updateTimestamp();
+        return true;
+      }
+      else
+      {
+        qDebug() << Q_FUNC_INFO << "session does not exist!";
+      }
+    }
+  }
+
+  return false;
+}
+
+bool AbstractWebApplication::readFile(const QString& path, QByteArray &data, QString &type)
+{
+  QString ext = "";
+  int index = path.lastIndexOf('.') + 1;
+  if (index > 0)
+    ext = path.mid(index);
+
+  // find translated file in cache
+  if (translatedFiles_.contains(path))
+  {
+    data = translatedFiles_[path];
+  }
+  else
+  {
+    QFile file(path);
+    if (!file.open(QIODevice::ReadOnly))
+    {
+      qDebug("File %s was not found!", qPrintable(path));
+      return false;
+    }
+
+    data = file.readAll();
+    file.close();
+
+    // Translate the file
+    if ((ext == "html") || ((ext == "js") && !path.endsWith("excanvas-compressed.js")))
+    {
+      QString dataStr = QString::fromUtf8(data.constData());
+      translateDocument(dataStr);
+
+      if (path.endsWith("about.html"))
+      {
+        dataStr.replace("${VERSION}", VERSION);
+      }
+
+      data = dataStr.toUtf8();
+      translatedFiles_[path] = data; // cashing translated file
+    }
+  }
+
+  type = CONTENT_TYPE_BY_EXT[ext];
+  return true;
+}
+
+WebSessionData *AbstractWebApplication::session()
+{
+    Q_ASSERT(session_ != 0);
+    return &session_->data;
+}
+
+
+QString AbstractWebApplication::generateSid()
+{
+    QString sid;
+
+    qsrand(QDateTime::currentDateTime().toTime_t());
+  do
+  {
+    const size_t size = 6;
+    quint32 tmp[size];
+
+    for (size_t i = 0; i < size; ++i)
+      tmp[i] = qrand();
+
+    sid = QByteArray::fromRawData(reinterpret_cast<const char *>(tmp), sizeof(quint32) * size).toBase64();
+  }
+  while (sessions_.contains(sid));
+
+  return sid;
+}
+
+void AbstractWebApplication::translateDocument(QString& data)
+{
+  const QRegExp regex("QBT_TR\\((([^\\)]|\\)(?!QBT_TR))+)\\)QBT_TR");
+  const QRegExp mnemonic("\\(?&([a-zA-Z]?\\))?");
+  const std::string contexts[] = {
+    "TransferListFiltersWidget", "TransferListWidget", "PropertiesWidget",
+    "HttpServer", "confirmDeletionDlg", "TrackerList", "TorrentFilesModel",
+    "options_imp", "Preferences", "TrackersAdditionDlg", "ScanFoldersModel",
+    "PropTabBar", "TorrentModel", "downloadFromURL", "MainWindow", "misc",
+    "StatusBar"
+  };
+  const size_t context_count = sizeof(contexts) / sizeof(contexts[0]);
+  int i = 0;
+  bool found = true;
+
+  const QString locale = Preferences::instance()->getLocale();
+  bool isTranslationNeeded = !locale.startsWith("en") || locale.startsWith("en_AU") || locale.startsWith("en_GB");
+
+  while(i < data.size() && found)
+  {
+    i = regex.indexIn(data, i);
+    if (i >= 0)
+    {
+      //qDebug("Found translatable string: %s", regex.cap(1).toUtf8().data());
+      QByteArray word = regex.cap(1).toUtf8();
+
+      QString translation = word;
+      if (isTranslationNeeded)
+      {
+        size_t context_index = 0;
+        while ((context_index < context_count) && (translation == word))
+        {
+#if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
+          translation = qApp->translate(contexts[context_index].c_str(), word.constData(), 0, QCoreApplication::UnicodeUTF8, 1);
+#else
+          translation = qApp->translate(contexts[context_index].c_str(), word.constData(), 0, 1);
+#endif
+          ++context_index;
+        }
+      }
+      // Remove keyboard shortcuts
+      translation.replace(mnemonic, "");
+
+      data.replace(i, regex.matchedLength(), translation);
+      i += translation.length();
+    }
+    else
+    {
+        found = false; // no more translatable strings
+    }
+  }
+}
+
+bool AbstractWebApplication::isBanned() const
+{
+  return clientFailedAttempts_.value(env_.clientAddress, 0) >= MAX_AUTH_FAILED_ATTEMPTS;
+}
+
+int AbstractWebApplication::failedAttempts() const
+{
+  return clientFailedAttempts_.value(env_.clientAddress, 0);
+}
+
+void AbstractWebApplication::resetFailedAttempts()
+{
+  clientFailedAttempts_.remove(env_.clientAddress);
+}
+
+void AbstractWebApplication::increaseFailedAttempts()
+{
+  const int nb_fail = clientFailedAttempts_.value(env_.clientAddress, 0) + 1;
+
+  clientFailedAttempts_[env_.clientAddress] = nb_fail;
+  if (nb_fail == MAX_AUTH_FAILED_ATTEMPTS)
+  {
+    // Max number of failed attempts reached
+    // Start ban period
+    UnbanTimer* ubantimer = new UnbanTimer(env_.clientAddress, this);
+    connect(ubantimer, SIGNAL(timeout()), SLOT(UnbanTimerEvent()));
+    ubantimer->start();
+  }
+}
+
+bool AbstractWebApplication::isAuthNeeded()
+{
+    return (env_.clientAddress != QHostAddress::LocalHost
+            && env_.clientAddress != QHostAddress::LocalHostIPv6)
+            || Preferences::instance()->isWebUiLocalAuthEnabled();
+}
+
+void AbstractWebApplication::printFile(const QString& path)
+{
+    QByteArray data;
+    QString type;
+
+    if (!readFile(path, data, type)) {
+        status(404, "Not Found");
+        return;
+    }
+
+    print(data, type);
+}
+
+bool AbstractWebApplication::sessionStart()
+{
+  if (session_ == 0)
+  {
+    session_ = new WebSession(generateSid());
+    session_->updateTimestamp();
+    sessions_[session_->id] = session_;
+
+    QNetworkCookie cookie(C_SID, session_->id.toUtf8());
+    cookie.setPath(QLatin1String("/"));
+    header(Http::HEADER_SET_COOKIE, cookie.toRawForm());
+
+    return true;
+  }
+
+  return false;
+}
+
+bool AbstractWebApplication::sessionEnd()
+{
+  if ((session_ != 0) && (sessions_.contains(session_->id)))
+  {
+    QNetworkCookie cookie(C_SID, session_->id.toUtf8());
+    cookie.setPath(QLatin1String("/"));
+    cookie.setExpirationDate(QDateTime::currentDateTime());
+
+    sessions_.remove(session_->id);
+    delete session_;
+    session_ = 0;
+
+    header(Http::HEADER_SET_COOKIE, cookie.toRawForm());
+    return true;
+  }
+
+  return false;
+}
+
+QString AbstractWebApplication::saveTmpFile(const QByteArray &data)
+{
+    QTemporaryFile tmpfile(QDir::temp().absoluteFilePath("qBT-XXXXXX.torrent"));
+    tmpfile.setAutoRemove(false);
+    if (tmpfile.open()) {
+        tmpfile.write(data);
+        tmpfile.close();
+        return tmpfile.fileName();
+    }
+
+    qWarning() << "I/O Error: Could not create temporary file";
+    return QString();
+}
+
+QStringMap AbstractWebApplication::initializeContentTypeByExtMap()
+{
+  QStringMap map;
+
+  map["htm"] = Http::CONTENT_TYPE_HTML;
+  map["html"] = Http::CONTENT_TYPE_HTML;
+  map["css"] = Http::CONTENT_TYPE_CSS;
+  map["gif"] = Http::CONTENT_TYPE_GIF;
+  map["png"] = Http::CONTENT_TYPE_PNG;
+  map["js"] = Http::CONTENT_TYPE_JS;
+
+  return map;
+}
+
+const QStringMap AbstractWebApplication::CONTENT_TYPE_BY_EXT = AbstractWebApplication::initializeContentTypeByExtMap();

src/webui/abstractwebapplication.h

@@ -26,64 +26,83 @@
  * exception statement from your version.
  */
 
-#ifndef ABSTRACTREQUESTHANDLER_H
+#ifndef ABSTRACTWEBAPPLICATION_H
-#define ABSTRACTREQUESTHANDLER_H
+#define ABSTRACTWEBAPPLICATION_H
 
-#include <QString>
+#include <QObject>
-#include "httptypes.h"
+#include <QMap>
+#include <QHash>
+#include "http/types.h"
+#include "http/responsebuilder.h"
+#include "http/irequesthandler.h"
 
-class WebApplication;
 struct WebSession;
+struct WebSessionData;
 
-class AbstractRequestHandler
+const char C_SID[] = "SID"; // name of session id cookie
+const int BAN_TIME = 3600000; // 1 hour
+const int INACTIVE_TIME = 900; // Session inactive time (in secs = 15 min.)
+const int MAX_AUTH_FAILED_ATTEMPTS = 5;
+
+class AbstractWebApplication : public Http::ResponseBuilder, public Http::IRequestHandler
 {
-    friend class WebApplication;
+    Q_OBJECT
+    Q_DISABLE_COPY(AbstractWebApplication)
 
 public:
-    AbstractRequestHandler(
+    explicit AbstractWebApplication(QObject *parent = 0);
-        const HttpRequest& request, const HttpEnvironment& env,
+    virtual ~AbstractWebApplication();
-        WebApplication* app);
 
-    HttpResponse run();
+    Http::Response processRequest(const Http::Request &request, const Http::Environment &env);
 
 protected:
     virtual void processRequest() = 0;
 
-    void status(uint code, const QString& text);
-    void header(const QString& name, const QString& value);
-    void print(const QString& text, const QString& type = CONTENT_TYPE_HTML);
-    void print(const QByteArray& data, const QString& type = CONTENT_TYPE_HTML);
-    void printFile(const QString& path);
-
-    // Session management
-    bool sessionActive() const { return session_ != 0; }
-    void sessionInitialize();
-    void sessionStart();
-    void sessionEnd();
-
-    // Ban management
     bool isBanned() const;
     int failedAttempts() const;
     void resetFailedAttempts();
     void increaseFailedAttempts();
 
+    void printFile(const QString &path);
+
+    // Session management
+    bool sessionActive() const { return session_ != 0; }
+    bool sessionStart();
+    bool sessionEnd();
+
     bool isAuthNeeded();
 
+    bool readFile(const QString &path, QByteArray &data, QString &type);
+
     // save data to temporary file on disk and return its name (or empty string if fails)
     static QString saveTmpFile(const QByteArray &data);
 
-    inline WebSession* session() { return session_; }
+    WebSessionData *session();
-    inline HttpRequest request() const { return request_; }
+    Http::Request request() const { return request_; }
-    inline HttpEnvironment env() const { return env_; }
+    Http::Environment env() const { return env_; }
+
+private slots:
+    void UnbanTimerEvent();
+    void removeInactiveSessions();
 
 private:
-    WebApplication* app_;
+    // Persistent data
+    QMap<QString, WebSession *> sessions_;
+    QHash<QHostAddress, int> clientFailedAttempts_;
+    QMap<QString, QByteArray> translatedFiles_;
+
+    // Current data
     WebSession *session_;
-    const HttpRequest request_;
+    Http::Request request_;
-    const HttpEnvironment env_;
+    Http::Environment env_;
-    HttpResponse response_;
+
+    QString generateSid();
+    bool sessionInitialize();
+
+    static void translateDocument(QString &data);
 
-    void print_impl(const QByteArray& data, const QString& type);
+    static const QStringMap CONTENT_TYPE_BY_EXT;
+    static QStringMap initializeContentTypeByExtMap();
 };
 
-#endif // ABSTRACTREQUESTHANDLER_H
+#endif // ABSTRACTWEBAPPLICATION_H

src/webui/prefjson.cpp

@@ -333,6 +333,6 @@ void prefjson::setPreferences(const QString& json)
     pref->setDynDNSPassword(m["dyndns_password"].toString());
   if (m.contains("dyndns_domain"))
     pref->setDynDomainName(m["dyndns_domain"].toString());
-  // Reload preferences
+  // Save preferences
-  QBtSession::instance()->configureSession();
+  pref->save();
 }

src/webui/requesthandler.cpp

@@ -1,716 +0,0 @@
-/*
- * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
- * Copyright (C) 2012, Christophe Dumez <chris@qbittorrent.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
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- */
-
-#include <QDebug>
-#ifdef DISABLE_GUI
-#include <QCoreApplication>
-#else
-#include <QApplication>
-#endif
-#include <QTimer>
-#include <QCryptographicHash>
-#include <queue>
-#include <vector>
-#include <libtorrent/session.hpp>
-#ifndef DISABLE_GUI
-#include "iconprovider.h"
-#endif
-#include "misc.h"
-#include "fs_utils.h"
-#include "preferences.h"
-#include "btjson.h"
-#include "prefjson.h"
-#include "qbtsession.h"
-#include "requesthandler.h"
-#include "webapplication.h"
-
-using namespace libtorrent;
-
-static const int API_VERSION = 2;
-static const int API_VERSION_MIN = 2;
-
-const QString WWW_FOLDER = ":/www/public/";
-const QString PRIVATE_FOLDER = ":/www/private/";
-const QString DEFAULT_SCOPE = "public";
-const QString SCOPE_IMAGES = "images";
-const QString SCOPE_THEME = "theme";
-const QString DEFAULT_ACTION = "index";
-const QString WEBUI_ACTION = "webui";
-const QString VERSION_INFO = "version";
-const QString MAX_AGE_MONTH = "public, max-age=2592000";
-
-#define ADD_ACTION(scope, action) actions[#scope][#action] = &RequestHandler::action_##scope##_##action
-
-QMap<QString, QMap<QString, RequestHandler::Action> > RequestHandler::initializeActions()
-{
-    QMap<QString,QMap<QString, RequestHandler::Action> > actions;
-
-    ADD_ACTION(public, webui);
-    ADD_ACTION(public, index);
-    ADD_ACTION(public, login);
-    ADD_ACTION(public, logout);
-    ADD_ACTION(public, theme);
-    ADD_ACTION(public, images);
-    ADD_ACTION(query, torrents);
-    ADD_ACTION(query, preferences);
-    ADD_ACTION(query, transferInfo);
-    ADD_ACTION(query, propertiesGeneral);
-    ADD_ACTION(query, propertiesTrackers);
-    ADD_ACTION(query, propertiesFiles);
-    ADD_ACTION(sync, maindata);
-    ADD_ACTION(command, shutdown);
-    ADD_ACTION(command, download);
-    ADD_ACTION(command, upload);
-    ADD_ACTION(command, addTrackers);
-    ADD_ACTION(command, resumeAll);
-    ADD_ACTION(command, pauseAll);
-    ADD_ACTION(command, resume);
-    ADD_ACTION(command, pause);
-    ADD_ACTION(command, setPreferences);
-    ADD_ACTION(command, setFilePrio);
-    ADD_ACTION(command, getGlobalUpLimit);
-    ADD_ACTION(command, getGlobalDlLimit);
-    ADD_ACTION(command, setGlobalUpLimit);
-    ADD_ACTION(command, setGlobalDlLimit);
-    ADD_ACTION(command, getTorrentUpLimit);
-    ADD_ACTION(command, getTorrentDlLimit);
-    ADD_ACTION(command, setTorrentUpLimit);
-    ADD_ACTION(command, setTorrentDlLimit);
-    ADD_ACTION(command, alternativeSpeedLimitsEnabled);
-    ADD_ACTION(command, toggleAlternativeSpeedLimits);
-    ADD_ACTION(command, toggleSequentialDownload);
-    ADD_ACTION(command, toggleFirstLastPiecePrio);
-    ADD_ACTION(command, delete);
-    ADD_ACTION(command, deletePerm);
-    ADD_ACTION(command, increasePrio);
-    ADD_ACTION(command, decreasePrio);
-    ADD_ACTION(command, topPrio);
-    ADD_ACTION(command, bottomPrio);
-    ADD_ACTION(command, recheck);
-    ADD_ACTION(version, api);
-    ADD_ACTION(version, api_min);
-    ADD_ACTION(version, qbittorrent);
-
-    return actions;
-}
-
-#define CHECK_URI(ARGS_NUM) \
-    if (args_.size() != ARGS_NUM) { \
-        status(404, "Not Found"); \
-        return; \
-    }
-#define CHECK_PARAMETERS(PARAMETERS) \
-    QStringList parameters; \
-    parameters << PARAMETERS; \
-    if (parameters.size() != request().posts.size()) { \
-        status(400, "Bad Request"); \
-        return; \
-    } \
-    foreach (QString key, request().posts.keys()) { \
-        if (!parameters.contains(key, Qt::CaseInsensitive)) { \
-            status(400, "Bad Request"); \
-            return; \
-        } \
-    }
-
-void RequestHandler::action_public_index()
-{
-    QString path;
-
-    if (!args_.isEmpty()) {
-        if (args_.back() == "favicon.ico")
-            path = ":/icons/skin/qbittorrent16.png";
-        else
-            path = WWW_FOLDER + args_.join("/");
-    }
-
-    printFile(path);
-}
-
-void RequestHandler::action_public_webui()
-{
-    if (!sessionActive())
-        printFile(PRIVATE_FOLDER + "login.html");
-    else
-        printFile(PRIVATE_FOLDER + "index.html");
-}
-
-void RequestHandler::action_public_login()
-{
-    const Preferences* const pref = Preferences::instance();
-    QCryptographicHash md5(QCryptographicHash::Md5);
-
-    md5.addData(request().posts["password"].toLocal8Bit());
-    QString pass = md5.result().toHex();
-
-    bool equalUser = misc::slowEquals(request().posts["username"].toUtf8(), pref->getWebUiUsername().toUtf8());
-    bool equalPass = misc::slowEquals(pass.toUtf8(), pref->getWebUiPassword().toUtf8());
-
-    if (equalUser && equalPass) {
-        sessionStart();
-        print(QByteArray("Ok."), CONTENT_TYPE_TXT);
-    }
-    else {
-        QString addr = env().clientAddress.toString();
-        increaseFailedAttempts();
-        qDebug("client IP: %s (%d failed attempts)", qPrintable(addr), failedAttempts());
-        print(QByteArray("Fails."), CONTENT_TYPE_TXT);
-    }
-}
-
-void RequestHandler::action_public_logout()
-{
-    CHECK_URI(0);
-    sessionEnd();
-}
-
-void RequestHandler::action_public_theme()
-{
-    if (args_.size() != 1) {
-        status(404, "Not Found");
-        return;
-    }
-
-#ifdef DISABLE_GUI
-    QString url = ":/icons/oxygen/" + args_.front() + ".png";
-#else
-    QString url = IconProvider::instance()->getIconPath(args_.front());
-#endif
-    qDebug() << Q_FUNC_INFO << "There icon:" << url;
-
-    printFile(url);
-    header(HEADER_CACHE_CONTROL, MAX_AGE_MONTH);
-}
-
-void RequestHandler::action_public_images()
-{
-    const QString path = ":/icons/" + args_.join("/");
-    printFile(path);
-    header(HEADER_CACHE_CONTROL, MAX_AGE_MONTH);
-}
-
-// GET params:
-//   - filter (string): all, downloading, completed, paused, active, inactive
-//   - label (string): torrent label for filtering by it (empty string means "unlabeled"; no "label" param presented means "any label")
-//   - sort (string): name of column for sorting by its value
-//   - reverse (bool): enable reverse sorting
-//   - limit (int): set limit number of torrents returned (if greater than 0, otherwise - unlimited)
-//   - offset (int): set offset (if less than 0 - offset from end)
-void RequestHandler::action_query_torrents()
-{
-    CHECK_URI(0);
-    const QStringMap& gets = request().gets;
-
-    print(btjson::getTorrents(
-        gets["filter"], gets["label"], gets["sort"], gets["reverse"] == "true",
-        gets["limit"].toInt(), gets["offset"].toInt()
-        ), CONTENT_TYPE_JS);
-}
-
-void RequestHandler::action_query_preferences()
-{
-    CHECK_URI(0);
-    print(prefjson::getPreferences(), CONTENT_TYPE_JS);
-}
-
-void RequestHandler::action_query_transferInfo()
-{
-    CHECK_URI(0);
-    print(btjson::getTransferInfo(), CONTENT_TYPE_JS);
-}
-
-void RequestHandler::action_query_propertiesGeneral()
-{
-    CHECK_URI(1);
-    print(btjson::getPropertiesForTorrent(args_.front()), CONTENT_TYPE_JS);
-}
-
-void RequestHandler::action_query_propertiesTrackers()
-{
-    CHECK_URI(1);
-    print(btjson::getTrackersForTorrent(args_.front()), CONTENT_TYPE_JS);
-}
-
-void RequestHandler::action_query_propertiesFiles()
-{
-    CHECK_URI(1);
-    print(btjson::getFilesForTorrent(args_.front()), CONTENT_TYPE_JS);
-}
-
-// GET param:
-//   - rid (int): last response id
-void RequestHandler::action_sync_maindata()
-{
-    CHECK_URI(0);
-    print(btjson::getSyncMainData(request().gets["rid"].toInt(), session()->syncMainDataLastResponse, session()->syncMainDataLastAcceptedResponse));
-}
-
-void RequestHandler::action_version_api()
-{
-    CHECK_URI(0);
-    print(QString::number(API_VERSION), CONTENT_TYPE_TXT);
-}
-
-void RequestHandler::action_version_api_min()
-{
-    CHECK_URI(0);
-    print(QString::number(API_VERSION_MIN), CONTENT_TYPE_TXT);
-}
-
-void RequestHandler::action_version_qbittorrent()
-{
-    CHECK_URI(0);
-    print(QString(VERSION), CONTENT_TYPE_TXT);
-}
-
-void RequestHandler::action_command_shutdown()
-{
-    qDebug() << "Shutdown request from Web UI";
-    // Special case handling for shutdown, we
-    // need to reply to the Web UI before
-    // actually shutting down.
-
-    CHECK_URI(0);
-    QTimer::singleShot(0, qApp, SLOT(quit()));
-}
-
-void RequestHandler::action_command_download()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("urls");
-    QString urls = request().posts["urls"];
-    QStringList list = urls.split('\n');
-
-    foreach (QString url, list) {
-        url = url.trimmed();
-        if (!url.isEmpty()) {
-            if (url.startsWith("bc://bt/", Qt::CaseInsensitive)) {
-                qDebug("Converting bc link to magnet link");
-                url = misc::bcLinkToMagnet(url);
-            }
-            else if (url.startsWith("magnet:", Qt::CaseInsensitive)) {
-                QBtSession::instance()->addMagnetSkipAddDlg(url);
-            }
-            else {
-                qDebug("Downloading url: %s", qPrintable(url));
-                QBtSession::instance()->downloadUrlAndSkipDialog(url);
-            }
-        }
-    }
-}
-
-void RequestHandler::action_command_upload()
-{
-    qDebug() << Q_FUNC_INFO;
-    CHECK_URI(0);
-
-    foreach(const UploadedFile& torrent, request().files) {
-        QString filePath = saveTmpFile(torrent.data);
-
-        if (!filePath.isEmpty()) {
-            QTorrentHandle h = QBtSession::instance()->addTorrent(filePath);
-            if (!h.is_valid()) {
-                status(415, "Internal Server Error");
-                print(QObject::tr("Error: '%1' is not a valid torrent file.\n").arg(torrent.filename), CONTENT_TYPE_TXT);
-            }
-            // Clean up
-            fsutils::forceRemove(filePath);
-        }
-        else {
-            qWarning() << "I/O Error: Could not create temporary file";
-            status(500, "Internal Server Error");
-            print(QObject::tr("I/O Error: Could not create temporary file."), CONTENT_TYPE_TXT);
-        }
-    }
-}
-
-void RequestHandler::action_command_addTrackers()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash" << "urls");
-    QString hash = request().posts["hash"];
-
-    if (!hash.isEmpty()) {
-        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-        if (h.is_valid() && h.has_metadata()) {
-            QString urls = request().posts["urls"];
-            QStringList list = urls.split('\n');
-
-            foreach (const QString& url, list) {
-                announce_entry e(url.toStdString());
-                h.add_tracker(e);
-            }
-        }
-    }
-}
-
-void RequestHandler::action_command_resumeAll()
-{
-    CHECK_URI(0);
-    QBtSession::instance()->resumeAllTorrents();
-}
-
-void RequestHandler::action_command_pauseAll()
-{
-    CHECK_URI(0);
-    QBtSession::instance()->pauseAllTorrents();
-}
-
-void RequestHandler::action_command_resume()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash");
-    QBtSession::instance()->resumeTorrent(request().posts["hash"]);
-}
-
-void RequestHandler::action_command_pause()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash");
-    QBtSession::instance()->pauseTorrent(request().posts["hash"]);
-}
-
-void RequestHandler::action_command_setPreferences()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("json");
-    prefjson::setPreferences(request().posts["json"]);
-}
-
-void RequestHandler::action_command_setFilePrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash" << "id" << "priority");
-    QString hash = request().posts["hash"];
-    int file_id = request().posts["id"].toInt();
-    int priority = request().posts["priority"].toInt();
-    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-    if (h.is_valid() && h.has_metadata())
-        h.file_priority(file_id, priority);
-}
-
-void RequestHandler::action_command_getGlobalUpLimit()
-{
-    CHECK_URI(0);
-    print(QByteArray::number(QBtSession::instance()->getSession()->settings().upload_rate_limit));
-}
-
-void RequestHandler::action_command_getGlobalDlLimit()
-{
-    CHECK_URI(0);
-    print(QByteArray::number(QBtSession::instance()->getSession()->settings().download_rate_limit));
-}
-
-void RequestHandler::action_command_setGlobalUpLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("limit");
-    qlonglong limit = request().posts["limit"].toLongLong();
-    if (limit == 0) limit = -1;
-
-    QBtSession::instance()->setUploadRateLimit(limit);
-    if (Preferences::instance()->isAltBandwidthEnabled())
-        Preferences::instance()->setAltGlobalUploadLimit(limit / 1024.);
-    else
-        Preferences::instance()->setGlobalUploadLimit(limit / 1024.);
-}
-
-void RequestHandler::action_command_setGlobalDlLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("limit");
-    qlonglong limit = request().posts["limit"].toLongLong();
-    if (limit == 0) limit = -1;
-
-    QBtSession::instance()->setDownloadRateLimit(limit);
-    if (Preferences::instance()->isAltBandwidthEnabled())
-        Preferences::instance()->setAltGlobalDownloadLimit(limit / 1024.);
-    else
-        Preferences::instance()->setGlobalDownloadLimit(limit / 1024.);
-}
-
-void RequestHandler::action_command_getTorrentUpLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash");
-    QString hash = request().posts["hash"];
-    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-    if (h.is_valid())
-        print(QByteArray::number(h.upload_limit()));
-}
-
-void RequestHandler::action_command_getTorrentDlLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash");
-    QString hash = request().posts["hash"];
-    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-    if (h.is_valid())
-        print(QByteArray::number(h.download_limit()));
-}
-
-void RequestHandler::action_command_setTorrentUpLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash" << "limit");
-    QString hash = request().posts["hash"];
-    qlonglong limit = request().posts["limit"].toLongLong();
-    if (limit == 0) limit = -1;
-    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-    if (h.is_valid())
-        h.set_upload_limit(limit);
-}
-
-void RequestHandler::action_command_setTorrentDlLimit()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash" << "limit");
-    QString hash = request().posts["hash"];
-    qlonglong limit = request().posts["limit"].toLongLong();
-    if (limit == 0) limit = -1;
-    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-    if (h.is_valid())
-        h.set_download_limit(limit);
-}
-
-void RequestHandler::action_command_toggleAlternativeSpeedLimits()
-{
-    CHECK_URI(0);
-    QBtSession::instance()->useAlternativeSpeedsLimit(!Preferences::instance()->isAltBandwidthEnabled());
-}
-
-void RequestHandler::action_command_alternativeSpeedLimitsEnabled()
-{
-    CHECK_URI(0);
-    print(QByteArray::number(Preferences::instance()->isAltBandwidthEnabled()));
-}
-
-void RequestHandler::action_command_toggleSequentialDownload()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-    foreach (const QString &hash, hashes) {
-        try {
-            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-            h.toggleSequentialDownload();
-        }
-        catch(invalid_handle&) {}
-    }
-}
-
-void RequestHandler::action_command_toggleFirstLastPiecePrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-    foreach (const QString &hash, hashes) {
-        try {
-            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-            h.toggleFirstLastPiecePrio();
-        }
-        catch(invalid_handle&) {}
-    }
-}
-
-void RequestHandler::action_command_delete()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-    foreach (const QString &hash, hashes)
-        QBtSession::instance()->deleteTorrent(hash, false);
-}
-
-void RequestHandler::action_command_deletePerm()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-    foreach (const QString &hash, hashes)
-        QBtSession::instance()->deleteTorrent(hash, true);
-}
-
-void RequestHandler::action_command_increasePrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-
-    std::priority_queue<QPair<int, QTorrentHandle>,
-                        std::vector<QPair<int, QTorrentHandle> >,
-                        std::greater<QPair<int, QTorrentHandle> > > torrent_queue;
-
-    // Sort torrents by priority
-    foreach (const QString &hash, hashes) {
-        try {
-            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-            if (!h.is_seed())
-                torrent_queue.push(qMakePair(h.queue_position(), h));
-        }
-        catch(invalid_handle&) {}
-    }
-
-    // Increase torrents priority (starting with the ones with highest priority)
-    while(!torrent_queue.empty()) {
-        QTorrentHandle h = torrent_queue.top().second;
-
-        try {
-            h.queue_position_up();
-        }
-        catch(invalid_handle&) {}
-
-        torrent_queue.pop();
-    }
-}
-
-void RequestHandler::action_command_decreasePrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    QStringList hashes = request().posts["hashes"].split("|");
-
-    std::priority_queue<QPair<int, QTorrentHandle>,
-                        std::vector<QPair<int, QTorrentHandle> >,
-                        std::less<QPair<int, QTorrentHandle> > > torrent_queue;
-
-    // Sort torrents by priority
-    foreach (const QString &hash, hashes) {
-        try {
-            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-
-            if (!h.is_seed())
-                torrent_queue.push(qMakePair(h.queue_position(), h));
-        }
-        catch(invalid_handle&) {}
-    }
-
-    // Decrease torrents priority (starting with the ones with lowest priority)
-    while(!torrent_queue.empty()) {
-        QTorrentHandle h = torrent_queue.top().second;
-
-        try {
-            h.queue_position_down();
-        }
-        catch(invalid_handle&) {}
-
-        torrent_queue.pop();
-    }
-}
-
-void RequestHandler::action_command_topPrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    foreach (const QString &hash, request().posts["hashes"].split("|")) {
-        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-        if (h.is_valid()) h.queue_position_top();
-    }
-}
-
-void RequestHandler::action_command_bottomPrio()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hashes");
-    foreach (const QString &hash, request().posts["hashes"].split("|")) {
-        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-        if (h.is_valid()) h.queue_position_bottom();
-    }
-}
-
-void RequestHandler::action_command_recheck()
-{
-    CHECK_URI(0);
-    CHECK_PARAMETERS("hash");
-    QBtSession::instance()->recheckTorrent(request().posts["hash"]);
-}
-
-bool RequestHandler::isPublicScope()
-{
-    return (scope_ == DEFAULT_SCOPE || scope_ == VERSION_INFO);
-}
-
-void RequestHandler::processRequest()
-{
-    if (args_.contains(".") || args_.contains("..")) {
-        qDebug() << Q_FUNC_INFO << "Invalid path:" << request().path;
-        status(404, "Not Found");
-        return;
-    }
-
-    if (!isPublicScope() && !sessionActive()) {
-        status(403, "Forbidden");
-        return;
-    }
-
-    if (actions_.value(scope_).value(action_) != 0) {
-        (this->*(actions_[scope_][action_]))();
-    }
-    else {
-        status(404, "Not Found");
-        qDebug() << Q_FUNC_INFO << "Resource not found:" << request().path;
-    }
-}
-
-void RequestHandler::parsePath()
-{
-    if(request().path == "/") action_ = WEBUI_ACTION;
-
-    // check action for requested path
-    QStringList pathItems = request().path.split('/', QString::SkipEmptyParts);
-    if (!pathItems.empty()) {
-        if (actions_.contains(pathItems.front())) {
-            scope_ = pathItems.front();
-            pathItems.pop_front();
-        }
-    }
-
-    if (!pathItems.empty()) {
-        if (actions_[scope_].contains(pathItems.front())) {
-            action_ = pathItems.front();
-            pathItems.pop_front();
-        }
-    }
-
-    args_ = pathItems;
-}
-
-RequestHandler::RequestHandler(const HttpRequest &request, const HttpEnvironment &env, WebApplication *app)
-    : AbstractRequestHandler(request, env, app), scope_(DEFAULT_SCOPE), action_(DEFAULT_ACTION)
-{
-    parsePath();
-}
-
-QMap<QString, QMap<QString, RequestHandler::Action> > RequestHandler::actions_ = RequestHandler::initializeActions();

src/webui/requesthandler.h

@@ -1,108 +0,0 @@
-/*
- * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2014  Vladimir Golovnev <glassez@yandex.ru>
- *
- * 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
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- */
-
-#ifndef REQUESTHANDLER_H
-#define REQUESTHANDLER_H
-
-#include <QStringList>
-#include "httptypes.h"
-#include "abstractrequesthandler.h"
-
-class WebApplication;
-
-class RequestHandler: public AbstractRequestHandler
-{
-public:
-    RequestHandler(
-        const HttpRequest& request, const HttpEnvironment& env,
-        WebApplication* app);
-
-private:
-    // Actions
-    void action_public_webui();
-    void action_public_index();
-    void action_public_login();
-    void action_public_logout();
-    void action_public_theme();
-    void action_public_images();
-    void action_query_torrents();
-    void action_query_preferences();
-    void action_query_transferInfo();
-    void action_query_propertiesGeneral();
-    void action_query_propertiesTrackers();
-    void action_query_propertiesFiles();
-    void action_sync_maindata();
-    void action_command_shutdown();
-    void action_command_download();
-    void action_command_upload();
-    void action_command_addTrackers();
-    void action_command_resumeAll();
-    void action_command_pauseAll();
-    void action_command_resume();
-    void action_command_pause();
-    void action_command_setPreferences();
-    void action_command_setFilePrio();
-    void action_command_getGlobalUpLimit();
-    void action_command_getGlobalDlLimit();
-    void action_command_setGlobalUpLimit();
-    void action_command_setGlobalDlLimit();
-    void action_command_getTorrentUpLimit();
-    void action_command_getTorrentDlLimit();
-    void action_command_setTorrentUpLimit();
-    void action_command_setTorrentDlLimit();
-    void action_command_alternativeSpeedLimitsEnabled();
-    void action_command_toggleAlternativeSpeedLimits();
-    void action_command_toggleSequentialDownload();
-    void action_command_toggleFirstLastPiecePrio();
-    void action_command_delete();
-    void action_command_deletePerm();
-    void action_command_increasePrio();
-    void action_command_decreasePrio();
-    void action_command_topPrio();
-    void action_command_bottomPrio();
-    void action_command_recheck();
-    void action_version_api();
-    void action_version_api_min();
-    void action_version_qbittorrent();
-
-    typedef void (RequestHandler::*Action)();
-
-    QString scope_;
-    QString action_;
-    QStringList args_;
-
-    void processRequest();
-
-    bool isPublicScope();
-    void parsePath();
-
-    static QMap<QString, QMap<QString, Action> > initializeActions();
-    static QMap<QString, QMap<QString, Action> > actions_;
-};
-
-#endif // REQUESTHANDLER_H

src/webui/webapplication.cpp

@@ -26,285 +26,691 @@
  * exception statement from your version.
  */
 
-#ifdef DISABLE_GUI
+#include <QDebug>
 #include <QCoreApplication>
-#else
-#include <QApplication>
-#endif
-#include <QDateTime>
 #include <QTimer>
-#include <QFile>
+#include <QCryptographicHash>
-#include <QDebug>
+#include <queue>
+#include <vector>
+#include <libtorrent/session.hpp>
+#ifndef DISABLE_GUI
+// TODO: Drop GUI dependency!
+#include "iconprovider.h"
+#endif
+#include "misc.h"
+#include "fs_utils.h"
 #include "preferences.h"
-#include "requesthandler.h"
+#include "btjson.h"
+#include "prefjson.h"
+#include "qbtsession.h"
+#include "websessiondata.h"
 #include "webapplication.h"
 
-// UnbanTimer
+using namespace libtorrent;
+
+static const int API_VERSION = 2;
+static const int API_VERSION_MIN = 2;
+
+const QString WWW_FOLDER = ":/www/public/";
+const QString PRIVATE_FOLDER = ":/www/private/";
+const QString DEFAULT_SCOPE = "public";
+const QString SCOPE_IMAGES = "images";
+const QString SCOPE_THEME = "theme";
+const QString DEFAULT_ACTION = "index";
+const QString WEBUI_ACTION = "webui";
+const QString VERSION_INFO = "version";
+const QString MAX_AGE_MONTH = "public, max-age=2592000";
+
+#define ADD_ACTION(scope, action) actions[#scope][#action] = &WebApplication::action_##scope##_##action
+
+QMap<QString, QMap<QString, WebApplication::Action> > WebApplication::initializeActions()
+{
+    QMap<QString,QMap<QString, WebApplication::Action> > actions;
+
+    ADD_ACTION(public, webui);
+    ADD_ACTION(public, index);
+    ADD_ACTION(public, login);
+    ADD_ACTION(public, logout);
+    ADD_ACTION(public, theme);
+    ADD_ACTION(public, images);
+    ADD_ACTION(query, torrents);
+    ADD_ACTION(query, preferences);
+    ADD_ACTION(query, transferInfo);
+    ADD_ACTION(query, propertiesGeneral);
+    ADD_ACTION(query, propertiesTrackers);
+    ADD_ACTION(query, propertiesFiles);
+    ADD_ACTION(sync, maindata);
+    ADD_ACTION(command, shutdown);
+    ADD_ACTION(command, download);
+    ADD_ACTION(command, upload);
+    ADD_ACTION(command, addTrackers);
+    ADD_ACTION(command, resumeAll);
+    ADD_ACTION(command, pauseAll);
+    ADD_ACTION(command, resume);
+    ADD_ACTION(command, pause);
+    ADD_ACTION(command, setPreferences);
+    ADD_ACTION(command, setFilePrio);
+    ADD_ACTION(command, getGlobalUpLimit);
+    ADD_ACTION(command, getGlobalDlLimit);
+    ADD_ACTION(command, setGlobalUpLimit);
+    ADD_ACTION(command, setGlobalDlLimit);
+    ADD_ACTION(command, getTorrentUpLimit);
+    ADD_ACTION(command, getTorrentDlLimit);
+    ADD_ACTION(command, setTorrentUpLimit);
+    ADD_ACTION(command, setTorrentDlLimit);
+    ADD_ACTION(command, alternativeSpeedLimitsEnabled);
+    ADD_ACTION(command, toggleAlternativeSpeedLimits);
+    ADD_ACTION(command, toggleSequentialDownload);
+    ADD_ACTION(command, toggleFirstLastPiecePrio);
+    ADD_ACTION(command, delete);
+    ADD_ACTION(command, deletePerm);
+    ADD_ACTION(command, increasePrio);
+    ADD_ACTION(command, decreasePrio);
+    ADD_ACTION(command, topPrio);
+    ADD_ACTION(command, bottomPrio);
+    ADD_ACTION(command, recheck);
+    ADD_ACTION(version, api);
+    ADD_ACTION(version, api_min);
+    ADD_ACTION(version, qbittorrent);
+
+    return actions;
+}
+
+#define CHECK_URI(ARGS_NUM) \
+    if (args_.size() != ARGS_NUM) { \
+        status(404, "Not Found"); \
+        return; \
+    }
+#define CHECK_PARAMETERS(PARAMETERS) \
+    QStringList parameters; \
+    parameters << PARAMETERS; \
+    if (parameters.size() != request().posts.size()) { \
+        status(400, "Bad Request"); \
+        return; \
+    } \
+    foreach (QString key, request().posts.keys()) { \
+        if (!parameters.contains(key, Qt::CaseInsensitive)) { \
+            status(400, "Bad Request"); \
+            return; \
+        } \
+    }
+
+void WebApplication::action_public_index()
+{
+    QString path;
+
+    if (!args_.isEmpty()) {
+        if (args_.back() == "favicon.ico")
+            path = ":/icons/skin/qbittorrent16.png";
+        else
+            path = WWW_FOLDER + args_.join("/");
+    }
 
-class UnbanTimer: public QTimer
+    printFile(path);
-{
+}
-public:
+
-  UnbanTimer(const QHostAddress& peer_ip, QObject *parent)
+void WebApplication::action_public_webui()
-    : QTimer(parent), m_peerIp(peer_ip)
 {
-    setSingleShot(true);
+    if (!sessionActive())
-    setInterval(BAN_TIME);
+        printFile(PRIVATE_FOLDER + "login.html");
+    else
+        printFile(PRIVATE_FOLDER + "index.html");
 }
 
-  inline const QHostAddress& peerIp() const { return m_peerIp; }
+void WebApplication::action_public_login()
+{
+    const Preferences* const pref = Preferences::instance();
+    QCryptographicHash md5(QCryptographicHash::Md5);
 
-private:
+    md5.addData(request().posts["password"].toLocal8Bit());
-  QHostAddress m_peerIp;
+    QString pass = md5.result().toHex();
-};
 
-// WebApplication
+    bool equalUser = misc::slowEquals(request().posts["username"].toUtf8(), pref->getWebUiUsername().toUtf8());
+    bool equalPass = misc::slowEquals(pass.toUtf8(), pref->getWebUiPassword().toUtf8());
 
-WebApplication::WebApplication(QObject *parent)
+    if (equalUser && equalPass) {
-  : QObject(parent)
+        sessionStart();
-{
+        print(QByteArray("Ok."), Http::CONTENT_TYPE_TXT);
+    }
+    else {
+        QString addr = env().clientAddress.toString();
+        increaseFailedAttempts();
+        qDebug("client IP: %s (%d failed attempts)", qPrintable(addr), failedAttempts());
+        print(QByteArray("Fails."), Http::CONTENT_TYPE_TXT);
+    }
 }
 
-WebApplication::~WebApplication()
+void WebApplication::action_public_logout()
 {
-  // cleanup sessions data
+    CHECK_URI(0);
-  foreach (WebSession* session, sessions_.values())
+    sessionEnd();
-    delete session;
 }
 
-WebApplication *WebApplication::instance()
+void WebApplication::action_public_theme()
 {
-  static WebApplication inst;
+    if (args_.size() != 1) {
-  return &inst;
+        status(404, "Not Found");
+        return;
     }
 
-void WebApplication::UnbanTimerEvent()
+#ifdef DISABLE_GUI
+    QString url = ":/icons/oxygen/" + args_.front() + ".png";
+#else
+    QString url = IconProvider::instance()->getIconPath(args_.front());
+#endif
+    qDebug() << Q_FUNC_INFO << "There icon:" << url;
+
+    printFile(url);
+    header(Http::HEADER_CACHE_CONTROL, MAX_AGE_MONTH);
+}
+
+void WebApplication::action_public_images()
 {
-  UnbanTimer* ubantimer = static_cast<UnbanTimer*>(sender());
+    const QString path = ":/icons/" + args_.join("/");
-  qDebug("Ban period has expired for %s", qPrintable(ubantimer->peerIp().toString()));
+    printFile(path);
-  clientFailedAttempts_.remove(ubantimer->peerIp());
+    header(Http::HEADER_CACHE_CONTROL, MAX_AGE_MONTH);
-  ubantimer->deleteLater();
 }
 
-bool WebApplication::sessionInitialize(AbstractRequestHandler* _this)
+// GET params:
+//   - filter (string): all, downloading, completed, paused, active, inactive
+//   - label (string): torrent label for filtering by it (empty string means "unlabeled"; no "label" param presented means "any label")
+//   - sort (string): name of column for sorting by its value
+//   - reverse (bool): enable reverse sorting
+//   - limit (int): set limit number of torrents returned (if greater than 0, otherwise - unlimited)
+//   - offset (int): set offset (if less than 0 - offset from end)
+void WebApplication::action_query_torrents()
 {
-  if (_this->session_ == 0)
+    CHECK_URI(0);
+    const QStringMap& gets = request().gets;
+
+    print(btjson::getTorrents(
+        gets["filter"], gets["label"], gets["sort"], gets["reverse"] == "true",
+        gets["limit"].toInt(), gets["offset"].toInt()
+        ), Http::CONTENT_TYPE_JS);
+}
+
+void WebApplication::action_query_preferences()
 {
-    QString cookie = _this->request_.headers.value("cookie");
+    CHECK_URI(0);
-    //qDebug() << Q_FUNC_INFO << "cookie: " << cookie;
+    print(prefjson::getPreferences(), Http::CONTENT_TYPE_JS);
+}
 
-    QString sessionId;
+void WebApplication::action_query_transferInfo()
-    const QString SID_START = C_SID + "=";
-    int pos = cookie.indexOf(SID_START);
-    if (pos >= 0)
 {
-      pos += SID_START.length();
+    CHECK_URI(0);
-      int end = cookie.indexOf(QRegExp("[,;]"), pos);
+    print(btjson::getTransferInfo(), Http::CONTENT_TYPE_JS);
-      sessionId = cookie.mid(pos, end >= 0 ? end - pos : end);
 }
 
-    // TODO: Additional session check
+void WebApplication::action_query_propertiesGeneral()
+{
+    CHECK_URI(1);
+    print(btjson::getPropertiesForTorrent(args_.front()), Http::CONTENT_TYPE_JS);
+}
 
-    if (!sessionId.isNull())
+void WebApplication::action_query_propertiesTrackers()
 {
-      if (sessions_.contains(sessionId))
+    CHECK_URI(1);
+    print(btjson::getTrackersForTorrent(args_.front()), Http::CONTENT_TYPE_JS);
+}
+
+void WebApplication::action_query_propertiesFiles()
 {
-        _this->session_ = sessions_[sessionId];
+    CHECK_URI(1);
-        return true;
+    print(btjson::getFilesForTorrent(args_.front()), Http::CONTENT_TYPE_JS);
 }
-      else
+
+// GET param:
+//   - rid (int): last response id
+void WebApplication::action_sync_maindata()
 {
-        qDebug() << Q_FUNC_INFO << "session does not exist!";
+    CHECK_URI(0);
+    print(btjson::getSyncMainData(request().gets["rid"].toInt(), session()->syncMainDataLastResponse, session()->syncMainDataLastAcceptedResponse));
 }
+
+void WebApplication::action_version_api()
+{
+    CHECK_URI(0);
+    print(QString::number(API_VERSION), Http::CONTENT_TYPE_TXT);
 }
+
+void WebApplication::action_version_api_min()
+{
+    CHECK_URI(0);
+    print(QString::number(API_VERSION_MIN), Http::CONTENT_TYPE_TXT);
 }
 
-  return false;
+void WebApplication::action_version_qbittorrent()
+{
+    CHECK_URI(0);
+    print(QString(VERSION), Http::CONTENT_TYPE_TXT);
 }
 
-bool WebApplication::readFile(const QString& path, QByteArray &data, QString &type)
+void WebApplication::action_command_shutdown()
 {
-  QString ext = "";
+    qDebug() << "Shutdown request from Web UI";
-  int index = path.lastIndexOf('.') + 1;
+    // Special case handling for shutdown, we
-  if (index > 0)
+    // need to reply to the Web UI before
-    ext = path.mid(index);
+    // actually shutting down.
 
-  // find translated file in cache
+    CHECK_URI(0);
-  if (translatedFiles_.contains(path))
+    QTimer::singleShot(0, qApp, SLOT(quit()));
+}
+
+void WebApplication::action_command_download()
 {
-    data = translatedFiles_[path];
+    CHECK_URI(0);
+    CHECK_PARAMETERS("urls");
+    QString urls = request().posts["urls"];
+    QStringList list = urls.split('\n');
+
+    foreach (QString url, list) {
+        url = url.trimmed();
+        if (!url.isEmpty()) {
+            if (url.startsWith("bc://bt/", Qt::CaseInsensitive)) {
+                qDebug("Converting bc link to magnet link");
+                url = misc::bcLinkToMagnet(url);
             }
-  else
+            else if (url.startsWith("magnet:", Qt::CaseInsensitive)) {
+                QBtSession::instance()->addMagnetSkipAddDlg(url);
+            }
+            else {
+                qDebug("Downloading url: %s", qPrintable(url));
+                QBtSession::instance()->downloadUrlAndSkipDialog(url);
+            }
+        }
+    }
+}
+
+void WebApplication::action_command_upload()
 {
-    QFile file(path);
+    qDebug() << Q_FUNC_INFO;
-    if (!file.open(QIODevice::ReadOnly))
+    CHECK_URI(0);
+
+    foreach(const Http::UploadedFile& torrent, request().files) {
+        QString filePath = saveTmpFile(torrent.data);
+
+        if (!filePath.isEmpty()) {
+            QTorrentHandle h = QBtSession::instance()->addTorrent(filePath);
+            if (!h.is_valid()) {
+                status(415, "Internal Server Error");
+                print(QObject::tr("Error: '%1' is not a valid torrent file.\n").arg(torrent.filename), Http::CONTENT_TYPE_TXT);
+            }
+            // Clean up
+            fsutils::forceRemove(filePath);
+        }
+        else {
+            qWarning() << "I/O Error: Could not create temporary file";
+            status(500, "Internal Server Error");
+            print(QObject::tr("I/O Error: Could not create temporary file."), Http::CONTENT_TYPE_TXT);
+        }
+    }
+}
+
+void WebApplication::action_command_addTrackers()
 {
-      qDebug("File %s was not found!", qPrintable(path));
+    CHECK_URI(0);
-      return false;
+    CHECK_PARAMETERS("hash" << "urls");
+    QString hash = request().posts["hash"];
+
+    if (!hash.isEmpty()) {
+        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+        if (h.is_valid() && h.has_metadata()) {
+            QString urls = request().posts["urls"];
+            QStringList list = urls.split('\n');
+
+            foreach (const QString& url, list) {
+                announce_entry e(url.toStdString());
+                h.add_tracker(e);
+            }
+        }
+    }
 }
 
-    data = file.readAll();
+void WebApplication::action_command_resumeAll()
-    file.close();
+{
+    CHECK_URI(0);
+    QBtSession::instance()->resumeAllTorrents();
+}
 
-    // Translate the file
+void WebApplication::action_command_pauseAll()
-    if ((ext == "html") || ((ext == "js") && !path.endsWith("excanvas-compressed.js")))
 {
-      QString dataStr = QString::fromUtf8(data.constData());
+    CHECK_URI(0);
-      translateDocument(dataStr);
+    QBtSession::instance()->pauseAllTorrents();
+}
 
-      if (path.endsWith("about.html"))
+void WebApplication::action_command_resume()
 {
-        dataStr.replace("${VERSION}", VERSION);
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hash");
+    QBtSession::instance()->resumeTorrent(request().posts["hash"]);
 }
 
-      data = dataStr.toUtf8();
+void WebApplication::action_command_pause()
-      translatedFiles_[path] = data; // cashing translated file
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hash");
+    QBtSession::instance()->pauseTorrent(request().posts["hash"]);
 }
+
+void WebApplication::action_command_setPreferences()
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("json");
+    prefjson::setPreferences(request().posts["json"]);
 }
 
-  type = CONTENT_TYPE_BY_EXT[ext];
+void WebApplication::action_command_setFilePrio()
-  return true;
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hash" << "id" << "priority");
+    QString hash = request().posts["hash"];
+    int file_id = request().posts["id"].toInt();
+    int priority = request().posts["priority"].toInt();
+    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+    if (h.is_valid() && h.has_metadata())
+        h.file_priority(file_id, priority);
 }
 
-QString WebApplication::generateSid()
+void WebApplication::action_command_getGlobalUpLimit()
 {
-  QString sid;
+    CHECK_URI(0);
+    print(QByteArray::number(QBtSession::instance()->getSession()->settings().upload_rate_limit));
+}
 
-  qsrand(QDateTime::currentDateTime().toTime_t());
+void WebApplication::action_command_getGlobalDlLimit()
-  do
 {
-    const size_t size = 6;
+    CHECK_URI(0);
-    quint32 tmp[size];
+    print(QByteArray::number(QBtSession::instance()->getSession()->settings().download_rate_limit));
+}
 
-    for (size_t i = 0; i < size; ++i)
+void WebApplication::action_command_setGlobalUpLimit()
-      tmp[i] = qrand();
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("limit");
+    qlonglong limit = request().posts["limit"].toLongLong();
+    if (limit == 0) limit = -1;
 
-    sid = QByteArray::fromRawData(reinterpret_cast<const char *>(tmp), sizeof(quint32) * size).toBase64();
+    QBtSession::instance()->setUploadRateLimit(limit);
+    if (Preferences::instance()->isAltBandwidthEnabled())
+        Preferences::instance()->setAltGlobalUploadLimit(limit / 1024.);
+    else
+        Preferences::instance()->setGlobalUploadLimit(limit / 1024.);
 }
-  while (sessions_.contains(sid));
 
-  return sid;
+void WebApplication::action_command_setGlobalDlLimit()
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("limit");
+    qlonglong limit = request().posts["limit"].toLongLong();
+    if (limit == 0) limit = -1;
+
+    QBtSession::instance()->setDownloadRateLimit(limit);
+    if (Preferences::instance()->isAltBandwidthEnabled())
+        Preferences::instance()->setAltGlobalDownloadLimit(limit / 1024.);
+    else
+        Preferences::instance()->setGlobalDownloadLimit(limit / 1024.);
 }
 
-void WebApplication::translateDocument(QString& data)
+void WebApplication::action_command_getTorrentUpLimit()
 {
-  const QRegExp regex("QBT_TR\\((([^\\)]|\\)(?!QBT_TR))+)\\)QBT_TR");
+    CHECK_URI(0);
-  const QRegExp mnemonic("\\(?&([a-zA-Z]?\\))?");
+    CHECK_PARAMETERS("hash");
-  const std::string contexts[] = {
+    QString hash = request().posts["hash"];
-    "TransferListFiltersWidget", "TransferListWidget", "PropertiesWidget",
+    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
-    "HttpServer", "confirmDeletionDlg", "TrackerList", "TorrentFilesModel",
-    "options_imp", "Preferences", "TrackersAdditionDlg", "ScanFoldersModel",
-    "PropTabBar", "TorrentModel", "downloadFromURL", "MainWindow", "misc",
-    "StatusBar"
-  };
-  const size_t context_count = sizeof(contexts) / sizeof(contexts[0]);
-  int i = 0;
-  bool found = true;
 
-  const QString locale = Preferences::instance()->getLocale();
+    if (h.is_valid())
-  bool isTranslationNeeded = !locale.startsWith("en") || locale.startsWith("en_AU") || locale.startsWith("en_GB");
+        print(QByteArray::number(h.upload_limit()));
+}
 
-  while(i < data.size() && found)
+void WebApplication::action_command_getTorrentDlLimit()
-  {
-    i = regex.indexIn(data, i);
-    if (i >= 0)
 {
-      //qDebug("Found translatable string: %s", regex.cap(1).toUtf8().data());
+    CHECK_URI(0);
-      QByteArray word = regex.cap(1).toUtf8();
+    CHECK_PARAMETERS("hash");
+    QString hash = request().posts["hash"];
+    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+    if (h.is_valid())
+        print(QByteArray::number(h.download_limit()));
+}
 
-      QString translation = word;
+void WebApplication::action_command_setTorrentUpLimit()
-      if (isTranslationNeeded)
 {
-        size_t context_index = 0;
+    CHECK_URI(0);
-        while ((context_index < context_count) && (translation == word))
+    CHECK_PARAMETERS("hash" << "limit");
+    QString hash = request().posts["hash"];
+    qlonglong limit = request().posts["limit"].toLongLong();
+    if (limit == 0) limit = -1;
+    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+    if (h.is_valid())
+        h.set_upload_limit(limit);
+}
+
+void WebApplication::action_command_setTorrentDlLimit()
 {
-#if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
+    CHECK_URI(0);
-          translation = qApp->translate(contexts[context_index].c_str(), word.constData(), 0, QCoreApplication::UnicodeUTF8, 1);
+    CHECK_PARAMETERS("hash" << "limit");
-#else
+    QString hash = request().posts["hash"];
-          translation = qApp->translate(contexts[context_index].c_str(), word.constData(), 0, 1);
+    qlonglong limit = request().posts["limit"].toLongLong();
-#endif
+    if (limit == 0) limit = -1;
-          ++context_index;
+    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+    if (h.is_valid())
+        h.set_download_limit(limit);
 }
+
+void WebApplication::action_command_toggleAlternativeSpeedLimits()
+{
+    CHECK_URI(0);
+    QBtSession::instance()->useAlternativeSpeedsLimit(!Preferences::instance()->isAltBandwidthEnabled());
 }
-      // Remove keyboard shortcuts
-      translation.replace(mnemonic, "");
 
-      data.replace(i, regex.matchedLength(), translation);
+void WebApplication::action_command_alternativeSpeedLimitsEnabled()
-      i += translation.length();
+{
+    CHECK_URI(0);
+    print(QByteArray::number(Preferences::instance()->isAltBandwidthEnabled()));
 }
-    else
+
+void WebApplication::action_command_toggleSequentialDownload()
 {
-        found = false; // no more translatable strings
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    QStringList hashes = request().posts["hashes"].split("|");
+    foreach (const QString &hash, hashes) {
+        try {
+            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+            h.toggleSequentialDownload();
         }
+        catch(invalid_handle&) {}
     }
 }
 
-bool WebApplication::isBanned(const AbstractRequestHandler *_this) const
+void WebApplication::action_command_toggleFirstLastPiecePrio()
 {
-  return clientFailedAttempts_.value(_this->env_.clientAddress, 0) >= MAX_AUTH_FAILED_ATTEMPTS;
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    QStringList hashes = request().posts["hashes"].split("|");
+    foreach (const QString &hash, hashes) {
+        try {
+            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+            h.toggleFirstLastPiecePrio();
+        }
+        catch(invalid_handle&) {}
+    }
 }
 
-int WebApplication::failedAttempts(const AbstractRequestHandler* _this) const
+void WebApplication::action_command_delete()
 {
-  return clientFailedAttempts_.value(_this->env_.clientAddress, 0);
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    QStringList hashes = request().posts["hashes"].split("|");
+    foreach (const QString &hash, hashes)
+        QBtSession::instance()->deleteTorrent(hash, false);
 }
 
-void WebApplication::resetFailedAttempts(AbstractRequestHandler* _this)
+void WebApplication::action_command_deletePerm()
 {
-  clientFailedAttempts_.remove(_this->env_.clientAddress);
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    QStringList hashes = request().posts["hashes"].split("|");
+    foreach (const QString &hash, hashes)
+        QBtSession::instance()->deleteTorrent(hash, true);
 }
 
-void WebApplication::increaseFailedAttempts(AbstractRequestHandler* _this)
+void WebApplication::action_command_increasePrio()
 {
-  const int nb_fail = clientFailedAttempts_.value(_this->env_.clientAddress, 0) + 1;
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    QStringList hashes = request().posts["hashes"].split("|");
 
-  clientFailedAttempts_[_this->env_.clientAddress] = nb_fail;
+    std::priority_queue<QPair<int, QTorrentHandle>,
-  if (nb_fail == MAX_AUTH_FAILED_ATTEMPTS)
+                        std::vector<QPair<int, QTorrentHandle> >,
+                        std::greater<QPair<int, QTorrentHandle> > > torrent_queue;
+
+    // Sort torrents by priority
+    foreach (const QString &hash, hashes) {
+        try {
+            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+            if (!h.is_seed())
+                torrent_queue.push(qMakePair(h.queue_position(), h));
+        }
+        catch(invalid_handle&) {}
+    }
+
+    // Increase torrents priority (starting with the ones with highest priority)
+    while(!torrent_queue.empty()) {
+        QTorrentHandle h = torrent_queue.top().second;
+
+        try {
+            h.queue_position_up();
+        }
+        catch(invalid_handle&) {}
+
+        torrent_queue.pop();
+    }
+}
+
+void WebApplication::action_command_decreasePrio()
 {
-    // Max number of failed attempts reached
+    CHECK_URI(0);
-    // Start ban period
+    CHECK_PARAMETERS("hashes");
-    UnbanTimer* ubantimer = new UnbanTimer(_this->env_.clientAddress, this);
+    QStringList hashes = request().posts["hashes"].split("|");
-    connect(ubantimer, SIGNAL(timeout()), SLOT(UnbanTimerEvent()));
+
-    ubantimer->start();
+    std::priority_queue<QPair<int, QTorrentHandle>,
+                        std::vector<QPair<int, QTorrentHandle> >,
+                        std::less<QPair<int, QTorrentHandle> > > torrent_queue;
+
+    // Sort torrents by priority
+    foreach (const QString &hash, hashes) {
+        try {
+            QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+
+            if (!h.is_seed())
+                torrent_queue.push(qMakePair(h.queue_position(), h));
         }
+        catch(invalid_handle&) {}
     }
 
-bool WebApplication::sessionStart(AbstractRequestHandler *_this)
+    // Decrease torrents priority (starting with the ones with lowest priority)
+    while(!torrent_queue.empty()) {
+        QTorrentHandle h = torrent_queue.top().second;
+
+        try {
+            h.queue_position_down();
+        }
+        catch(invalid_handle&) {}
+
+        torrent_queue.pop();
+    }
+}
+
+void WebApplication::action_command_topPrio()
 {
-  if (_this->session_ == 0)
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hashes");
+    foreach (const QString &hash, request().posts["hashes"].split("|")) {
+        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+        if (h.is_valid()) h.queue_position_top();
+    }
+}
+
+void WebApplication::action_command_bottomPrio()
 {
-    _this->session_ = new WebSession(generateSid());
+    CHECK_URI(0);
-    sessions_[_this->session_->id] = _this->session_;
+    CHECK_PARAMETERS("hashes");
-    return true;
+    foreach (const QString &hash, request().posts["hashes"].split("|")) {
+        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
+        if (h.is_valid()) h.queue_position_bottom();
+    }
 }
 
-  return false;
+void WebApplication::action_command_recheck()
+{
+    CHECK_URI(0);
+    CHECK_PARAMETERS("hash");
+    QBtSession::instance()->recheckTorrent(request().posts["hash"]);
 }
 
-bool WebApplication::sessionEnd(AbstractRequestHandler *_this)
+bool WebApplication::isPublicScope()
 {
-  if ((_this->session_ != 0) && (sessions_.contains(_this->session_->id)))
+    return (scope_ == DEFAULT_SCOPE || scope_ == VERSION_INFO);
+}
+
+void WebApplication::processRequest()
 {
-    sessions_.remove(_this->session_->id);
+    scope_ = DEFAULT_SCOPE;
-    delete _this->session_;
+    action_ = DEFAULT_ACTION;
-    _this->session_ = 0;
+
-    return true;
+    parsePath();
+
+    if (args_.contains(".") || args_.contains("..")) {
+        qDebug() << Q_FUNC_INFO << "Invalid path:" << request().path;
+        status(404, "Not Found");
+        return;
+    }
+
+    if (!isPublicScope() && !sessionActive()) {
+        status(403, "Forbidden");
+        return;
     }
 
-  return false;
+    if (actions_.value(scope_).value(action_) != 0) {
+        (this->*(actions_[scope_][action_]))();
+    }
+    else {
+        status(404, "Not Found");
+        qDebug() << Q_FUNC_INFO << "Resource not found:" << request().path;
+    }
 }
 
-QStringMap WebApplication::initializeContentTypeByExtMap()
+void WebApplication::parsePath()
 {
-  QStringMap map;
+    if(request().path == "/") action_ = WEBUI_ACTION;
+
+    // check action for requested path
+    QStringList pathItems = request().path.split('/', QString::SkipEmptyParts);
+    if (!pathItems.empty()) {
+        if (actions_.contains(pathItems.front())) {
+            scope_ = pathItems.front();
+            pathItems.pop_front();
+        }
+    }
+
+    if (!pathItems.empty()) {
+        if (actions_[scope_].contains(pathItems.front())) {
+            action_ = pathItems.front();
+            pathItems.pop_front();
+        }
+    }
 
-  map["htm"] = CONTENT_TYPE_HTML;
+    args_ = pathItems;
-  map["html"] = CONTENT_TYPE_HTML;
+}
-  map["css"] = CONTENT_TYPE_CSS;
-  map["gif"] = CONTENT_TYPE_GIF;
-  map["png"] = CONTENT_TYPE_PNG;
-  map["js"] = CONTENT_TYPE_JS;
 
-  return map;
+WebApplication::WebApplication(QObject *parent)
+    : AbstractWebApplication(parent)
+{
 }
 
-const QStringMap WebApplication::CONTENT_TYPE_BY_EXT = WebApplication::initializeContentTypeByExtMap();
+QMap<QString, QMap<QString, WebApplication::Action> > WebApplication::actions_ = WebApplication::initializeActions();

src/webui/webapplication.h

@@ -29,61 +29,77 @@
 #ifndef WEBAPPLICATION_H
 #define WEBAPPLICATION_H
 
-#include <QObject>
+#include <QStringList>
-#include <QMap>
+#include "abstractwebapplication.h"
-#include <QHash>
-#include "httptypes.h"
-#include <QVariant>
 
-struct WebSession
+class WebApplication: public AbstractWebApplication
 {
-    const QString id;
-    QVariantMap syncMainDataLastResponse;
-    QVariantMap syncMainDataLastAcceptedResponse;
-    WebSession(const QString& id): id(id) {}
-};
-
-const QString C_SID = "SID"; // name of session id cookie
-const int BAN_TIME = 3600000; // 1 hour
-const int MAX_AUTH_FAILED_ATTEMPTS = 5;
-
-class AbstractRequestHandler;
-
-class WebApplication: public QObject
-{
-    Q_OBJECT
     Q_DISABLE_COPY(WebApplication)
 
 public:
-    WebApplication(QObject* parent = 0);
+    explicit WebApplication(QObject* parent = 0);
-    virtual ~WebApplication();
-
-    static WebApplication* instance();
-
-    bool isBanned(const AbstractRequestHandler* _this) const;
-    int failedAttempts(const AbstractRequestHandler *_this) const;
-    void resetFailedAttempts(AbstractRequestHandler* _this);
-    void increaseFailedAttempts(AbstractRequestHandler* _this);
-
-    bool sessionStart(AbstractRequestHandler* _this);
-    bool sessionEnd(AbstractRequestHandler* _this);
-    bool sessionInitialize(AbstractRequestHandler* _this);
-
-    bool readFile(const QString &path, QByteArray& data, QString& type);
-
-private slots:
-    void UnbanTimerEvent();
 
 private:
-    QMap<QString, WebSession*> sessions_;
+    // Actions
-    QHash<QHostAddress, int> clientFailedAttempts_;
+    void action_public_webui();
-    QMap<QString, QByteArray> translatedFiles_;
+    void action_public_index();
-
+    void action_public_login();
-    QString generateSid();
+    void action_public_logout();
-    static void translateDocument(QString& data);
+    void action_public_theme();
-
+    void action_public_images();
-    static const QStringMap CONTENT_TYPE_BY_EXT;
+    void action_query_torrents();
-    static QStringMap initializeContentTypeByExtMap();
+    void action_query_preferences();
+    void action_query_transferInfo();
+    void action_query_propertiesGeneral();
+    void action_query_propertiesTrackers();
+    void action_query_propertiesFiles();
+    void action_sync_maindata();
+    void action_command_shutdown();
+    void action_command_download();
+    void action_command_upload();
+    void action_command_addTrackers();
+    void action_command_resumeAll();
+    void action_command_pauseAll();
+    void action_command_resume();
+    void action_command_pause();
+    void action_command_setPreferences();
+    void action_command_setFilePrio();
+    void action_command_getGlobalUpLimit();
+    void action_command_getGlobalDlLimit();
+    void action_command_setGlobalUpLimit();
+    void action_command_setGlobalDlLimit();
+    void action_command_getTorrentUpLimit();
+    void action_command_getTorrentDlLimit();
+    void action_command_setTorrentUpLimit();
+    void action_command_setTorrentDlLimit();
+    void action_command_alternativeSpeedLimitsEnabled();
+    void action_command_toggleAlternativeSpeedLimits();
+    void action_command_toggleSequentialDownload();
+    void action_command_toggleFirstLastPiecePrio();
+    void action_command_delete();
+    void action_command_deletePerm();
+    void action_command_increasePrio();
+    void action_command_decreasePrio();
+    void action_command_topPrio();
+    void action_command_bottomPrio();
+    void action_command_recheck();
+    void action_version_api();
+    void action_version_api_min();
+    void action_version_qbittorrent();
+
+    typedef void (WebApplication::*Action)();
+
+    QString scope_;
+    QString action_;
+    QStringList args_;
+
+    void processRequest();
+
+    bool isPublicScope();
+    void parsePath();
+
+    static QMap<QString, QMap<QString, Action> > initializeActions();
+    static QMap<QString, QMap<QString, Action> > actions_;
 };
 
 #endif // WEBAPPLICATION_H

src/webui/websessiondata.h

@@ -0,0 +1,41 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef WEBSESSIONDATA
+#define WEBSESSIONDATA
+
+#include <QVariant>
+
+struct WebSessionData
+{
+    QVariantMap syncMainDataLastResponse;
+    QVariantMap syncMainDataLastAcceptedResponse;
+};
+
+#endif // WEBSESSIONDATA
+

src/webui/webui.cpp

@@ -0,0 +1,102 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "webui.h"
+#include "http/server.h"
+#include "webapplication.h"
+#include "dnsupdater.h"
+#include "preferences.h"
+#include "logger.h"
+
+WebUI::WebUI(QObject *parent) : QObject(parent)
+{
+    init();
+    connect(Preferences::instance(), SIGNAL(changed()), SLOT(init()));
+}
+
+void WebUI::init()
+{
+    Preferences* const pref = Preferences::instance();
+    Logger* const logger = Logger::instance();
+
+    if (pref->isWebUiEnabled()) {
+        const quint16 port = pref->getWebUiPort();
+
+        if (httpServer_) {
+            if (httpServer_->serverPort() != port)
+                httpServer_->close();
+        }
+        else {
+            webapp_ = new WebApplication(this);
+            httpServer_ = new Http::Server(webapp_, this);
+        }
+
+#ifndef QT_NO_OPENSSL
+        if (pref->isWebUiHttpsEnabled()) {
+            QSslCertificate cert(pref->getWebUiHttpsCertificate());
+            QSslKey key;
+            key = QSslKey(pref->getWebUiHttpsKey(), QSsl::Rsa);
+            if (!cert.isNull() && !key.isNull())
+                httpServer_->enableHttps(cert, key);
+            else
+                httpServer_->disableHttps();
+        }
+        else {
+            httpServer_->disableHttps();
+        }
+#endif
+
+        if (!httpServer_->isListening()) {
+            bool success = httpServer_->listen(QHostAddress::Any, port);
+            if (success)
+                logger->addMessage(tr("The Web UI is listening on port %1").arg(port));
+            else
+                logger->addMessage(tr("Web User Interface Error - Unable to bind Web UI to port %1").arg(port), Log::CRITICAL);
+        }
+
+        // DynDNS
+        if (pref->isDynDNSEnabled()) {
+            if (!dynDNSUpdater_)
+                dynDNSUpdater_ = new DNSUpdater(this);
+            else
+                dynDNSUpdater_->updateCredentials();
+        }
+        else {
+            if (dynDNSUpdater_)
+                delete dynDNSUpdater_;
+        }
+    }
+    else {
+        if (httpServer_)
+            delete httpServer_;
+        if (webapp_)
+            delete webapp_;
+        if (dynDNSUpdater_)
+            delete dynDNSUpdater_;
+    }
+}

src/webui/webui.h

@@ -0,0 +1,55 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef WEBUI_H
+#define WEBUI_H
+
+#include <QObject>
+#include <QPointer>
+
+namespace Http { class Server; }
+class DNSUpdater;
+class AbstractWebApplication;
+
+class WebUI : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit WebUI(QObject *parent = 0);
+
+private slots:
+    void init();
+
+private:
+    QPointer<Http::Server> httpServer_;
+    QPointer<DNSUpdater> dynDNSUpdater_;
+    QPointer<AbstractWebApplication> webapp_;
+};
+
+#endif // WEBUI_H

src/webui/webui.pri

@@ -1,30 +1,25 @@
 INCLUDEPATH += $$PWD
 
-HEADERS += $$PWD/httpserver.h \
+HEADERS += \
-           $$PWD/httpconnection.h \
+    $$PWD/webui.h \
     $$PWD/btjson.h \
     $$PWD/prefjson.h \
     $$PWD/jsonutils.h \
     $$PWD/extra_translations.h \
     $$PWD/webapplication.h \
-           $$PWD/abstractrequesthandler.h \
+    $$PWD/qtorrentfilter.h \
-           $$PWD/requesthandler.h \
+    $$PWD/websessiondata.h \
-           $$PWD/qtorrentfilter.h
+    $$PWD/abstractwebapplication.h
 
-SOURCES += $$PWD/httpserver.cpp \
+SOURCES += \
-           $$PWD/httpconnection.cpp \
+    $$PWD/webui.cpp \
-           $$PWD/httprequestparser.cpp \
-           $$PWD/httpresponsegenerator.cpp \
     $$PWD/btjson.cpp \
     $$PWD/prefjson.cpp \
     $$PWD/webapplication.cpp \
-           $$PWD/abstractrequesthandler.cpp \
+    $$PWD/qtorrentfilter.cpp \
-           $$PWD/requesthandler.cpp \
+    $$PWD/abstractwebapplication.cpp
-           $$PWD/qtorrentfilter.cpp
 
 # QJson JSON parser/serializer for using with Qt4
-lessThan(QT_MAJOR_VERSION, 5) {
+lessThan(QT_MAJOR_VERSION, 5): include(qjson/qjson.pri)
-  include(qjson/qjson.pri)
-}
 
 RESOURCES += $$PWD/webui.qrc