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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNETWORKACCESSHTTPBACKEND_P_H
#define QNETWORKACCESSHTTPBACKEND_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the Network Access API. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "qhttpnetworkconnection_p.h"
#include "qnetworkaccessbackend_p.h"
#include "qnetworkrequest.h"
#include "qnetworkreply.h"
#include "qabstractsocket.h"
#include "QtCore/qpointer.h"
#include "QtCore/qdatetime.h"
#ifndef QT_NO_HTTP
QT_BEGIN_NAMESPACE
class QNetworkAccessCachedHttpConnection;
class QNetworkAccessHttpBackendIODevice;
class QNetworkAccessHttpBackend: public QNetworkAccessBackend
{
Q_OBJECT
public:
QNetworkAccessHttpBackend();
virtual ~QNetworkAccessHttpBackend();
virtual void open();
virtual void closeDownstreamChannel();
virtual bool waitForDownstreamReadyRead(int msecs);
virtual void downstreamReadyWrite();
virtual void setDownstreamLimited(bool b);
virtual void copyFinished(QIODevice *);
#ifndef QT_NO_OPENSSL
virtual void ignoreSslErrors();
virtual void ignoreSslErrors(const QList<QSslError> &errors);
virtual void fetchSslConfiguration(QSslConfiguration &configuration) const;
virtual void setSslConfiguration(const QSslConfiguration &configuration);
#endif
QNetworkCacheMetaData fetchCacheMetaData(const QNetworkCacheMetaData &metaData) const;
qint64 deviceReadData(char *buffer, qint64 maxlen);
// we return true since HTTP needs to send PUT/POST data again after having authenticated
bool needsResetableUploadData() { return true; }
bool canResume() const;
void setResumeOffset(quint64 offset);
private slots:
void replyReadyRead();
void replyFinished();
void replyHeaderChanged();
void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);
void httpCacheCredentials(const QHttpNetworkRequest &request, QAuthenticator *auth);
void httpError(QNetworkReply::NetworkError error, const QString &errorString);
bool sendCacheContents(const QNetworkCacheMetaData &metaData);
void finished(); // override
private:
QHttpNetworkReply *httpReply;
QPointer<QNetworkAccessCachedHttpConnection> http;
QByteArray cacheKey;
QNetworkAccessBackendUploadIODevice *uploadDevice;
#ifndef QT_NO_OPENSSL
QSslConfiguration *pendingSslConfiguration;
bool pendingIgnoreAllSslErrors;
QList<QSslError> pendingIgnoreSslErrorsList;
#endif
quint64 resumeOffset;
void disconnectFromHttp();
void setupConnection();
void validateCache(QHttpNetworkRequest &httpRequest, bool &loadedFromCache);
void invalidateCache();
void postRequest();
void readFromHttp();
void checkForRedirect(const int statusCode);
};
class QNetworkAccessHttpBackendFactory : public QNetworkAccessBackendFactory
{
public:
virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
const QNetworkRequest &request) const;
};
QT_END_NAMESPACE
#endif // QT_NO_HTTP
#endif
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