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/****************************************************************************
**
** Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebSockets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWEBSOCKET_P_H
#define QWEBSOCKET_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QUrl>
#include <QtNetwork/QTcpSocket>
#include <QtNetwork/QHostAddress>
#ifndef QT_NO_NETWORKPROXY
#include <QtNetwork/QNetworkProxy>
#endif
#ifndef QT_NO_SSL
#include <QtNetwork/QSslConfiguration>
#include <QtNetwork/QSslError>
#include <QtNetwork/QSslSocket>
#endif
#include <QtCore/QTime>
#include <private/qobject_p.h>
#include "qwebsocketprotocol.h"
#include "qwebsocketdataprocessor_p.h"
#include "qdefaultmaskgenerator_p.h"
QT_BEGIN_NAMESPACE
class QWebSocketHandshakeRequest;
class QWebSocketHandshakeResponse;
class QTcpSocket;
class QWebSocket;
class QMaskGenerator;
struct QWebSocketConfiguration
{
Q_DISABLE_COPY(QWebSocketConfiguration)
public:
QWebSocketConfiguration();
public:
#ifndef QT_NO_SSL
QSslConfiguration m_sslConfiguration;
QList<QSslError> m_ignoredSslErrors;
bool m_ignoreSslErrors;
#endif
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy m_proxy;
#endif
QTcpSocket *m_pSocket;
};
class QWebSocketPrivate : public QObjectPrivate
{
Q_DISABLE_COPY(QWebSocketPrivate)
public:
Q_DECLARE_PUBLIC(QWebSocket)
explicit QWebSocketPrivate(const QString &origin,
QWebSocketProtocol::Version version,
QWebSocket * const pWebSocket);
virtual ~QWebSocketPrivate();
void init();
void abort();
QAbstractSocket::SocketError error() const;
QString errorString() const;
bool flush();
bool isValid() const;
QHostAddress localAddress() const;
quint16 localPort() const;
QAbstractSocket::PauseModes pauseMode() const;
QHostAddress peerAddress() const;
QString peerName() const;
quint16 peerPort() const;
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy proxy() const;
void setProxy(const QNetworkProxy &networkProxy);
#endif
void setMaskGenerator(const QMaskGenerator *maskGenerator);
const QMaskGenerator *maskGenerator() const;
qint64 readBufferSize() const;
void resume();
void setPauseMode(QAbstractSocket::PauseModes pauseMode);
void setReadBufferSize(qint64 size);
QAbstractSocket::SocketState state() const;
QWebSocketProtocol::Version version() const;
QString resourceName() const;
QNetworkRequest request() const;
QString origin() const;
QString protocol() const;
QString extension() const;
QWebSocketProtocol::CloseCode closeCode() const;
QString closeReason() const;
qint64 sendTextMessage(const QString &message);
qint64 sendBinaryMessage(const QByteArray &data);
#ifndef QT_NO_SSL
void ignoreSslErrors(const QList<QSslError> &errors);
void ignoreSslErrors();
void setSslConfiguration(const QSslConfiguration &sslConfiguration);
QSslConfiguration sslConfiguration() const;
#endif
void closeGoingAway();
void close(QWebSocketProtocol::CloseCode closeCode, QString reason);
void open(const QNetworkRequest &request, bool mask);
void ping(const QByteArray &payload);
QWebSocket * const q_ptr;
private:
QWebSocketPrivate(QTcpSocket *pTcpSocket, QWebSocketProtocol::Version version,
QWebSocket *pWebSocket);
void setVersion(QWebSocketProtocol::Version version);
void setResourceName(const QString &resourceName);
void setRequest(const QNetworkRequest &request);
void setOrigin(const QString &origin);
void setProtocol(const QString &protocol);
void setExtension(const QString &extension);
void enableMasking(bool enable);
void setSocketState(QAbstractSocket::SocketState state);
void setErrorString(const QString &errorString);
void socketDestroyed(QObject *socket);
void processData();
void processPing(const QByteArray &data);
void processPong(const QByteArray &data);
void processClose(QWebSocketProtocol::CloseCode closeCode, QString closeReason);
void processHandshake(QTcpSocket *pSocket);
void processStateChanged(QAbstractSocket::SocketState socketState);
qint64 doWriteFrames(const QByteArray &data, bool isBinary) Q_REQUIRED_RESULT;
void makeConnections(const QTcpSocket *pTcpSocket);
void releaseConnections(const QTcpSocket *pTcpSocket);
QByteArray getFrameHeader(QWebSocketProtocol::OpCode opCode, quint64 payloadLength,
quint32 maskingKey, bool lastFrame);
QString calculateAcceptKey(const QByteArray &key) const;
QString createHandShakeRequest(QString resourceName,
QString host,
QString origin,
QString extensions,
QString protocols,
QByteArray key,
QList<QPair<QString, QString> > headers);
static QWebSocket *upgradeFrom(QTcpSocket *tcpSocket,
const QWebSocketHandshakeRequest &request,
const QWebSocketHandshakeResponse &response,
QObject *parent = Q_NULLPTR) Q_REQUIRED_RESULT;
quint32 generateMaskingKey() const;
QByteArray generateKey() const;
qint64 writeFrames(const QList<QByteArray> &frames) Q_REQUIRED_RESULT;
qint64 writeFrame(const QByteArray &frame) Q_REQUIRED_RESULT;
QTcpSocket *m_pSocket;
QString m_errorString;
QWebSocketProtocol::Version m_version;
QUrl m_resource;
QString m_resourceName;
QNetworkRequest m_request;
QString m_origin;
QString m_protocol;
QString m_extension;
QAbstractSocket::SocketState m_socketState;
QAbstractSocket::PauseModes m_pauseMode;
qint64 m_readBufferSize;
QByteArray m_key; //identification key used in handshake requests
bool m_mustMask; //a server must not mask the frames it sends
bool m_isClosingHandshakeSent;
bool m_isClosingHandshakeReceived;
QWebSocketProtocol::CloseCode m_closeCode;
QString m_closeReason;
QTime m_pingTimer;
QWebSocketDataProcessor m_dataProcessor;
QWebSocketConfiguration m_configuration;
QMaskGenerator *m_pMaskGenerator;
QDefaultMaskGenerator m_defaultMaskGenerator;
enum HandshakeState {
NothingDoneState,
ReadingStatusState,
ReadingHeaderState,
ParsingHeaderState,
AllDoneState
} m_handshakeState;
QByteArray m_statusLine;
int m_httpStatusCode;
int m_httpMajorVersion, m_httpMinorVersion;
QString m_httpStatusMessage;
QMap<QString, QString> m_headers;
friend class QWebSocketServerPrivate;
};
QT_END_NAMESPACE
#endif // QWEBSOCKET_H
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