WebUI core redesign.

src/webui/webapplication.h

@@ -0,0 +1,87 @@
+/*
+ * 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 WEBAPPLICATION_H
+#define WEBAPPLICATION_H
+
+#include <QObject>
+#include <QMap>
+#include <QHash>
+#include "httptypes.h"
+
+struct WebSession
+{
+  const QString id;
+
+  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);
+  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_;
+  QHash<QHostAddress, int> clientFailedAttempts_;
+  QMap<QString, QByteArray> translatedFiles_;
+
+  QString generateSid();
+  static void translateDocument(QString& data);
+
+  static const QStringMap CONTENT_TYPE_BY_EXT;
+  static QStringMap initializeContentTypeByExtMap();
+};
+
+#endif // WEBAPPLICATION_H