317 lines
12 KiB
C++
317 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtNetwork module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QNETWORKREPLYHTTPIMPL_P_H
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#define QNETWORKREPLYHTTPIMPL_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of the Network Access API. This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtNetwork/private/qtnetworkglobal_p.h>
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#include "qnetworkrequest.h"
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#include "qnetworkreply.h"
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#include "QtCore/qpointer.h"
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#include "QtCore/qdatetime.h"
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#include "QtCore/qsharedpointer.h"
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#include "QtCore/qscopedpointer.h"
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#include "qatomic.h"
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#include <QtNetwork/QNetworkCacheMetaData>
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#include <private/qhttpnetworkrequest_p.h>
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#include <private/qbytedata_p.h>
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#include <private/qnetworkreply_p.h>
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#include <QtNetwork/QNetworkProxy>
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#include <QtNetwork/QNetworkSession>
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#ifndef QT_NO_SSL
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#include <QtNetwork/QSslConfiguration>
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#endif
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#ifndef QT_NO_HTTP
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QT_BEGIN_NAMESPACE
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class QIODevice;
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class QNetworkReplyHttpImplPrivate;
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class QNetworkReplyHttpImpl: public QNetworkReply
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{
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Q_OBJECT
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public:
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QNetworkReplyHttpImpl(QNetworkAccessManager* const, const QNetworkRequest&, QNetworkAccessManager::Operation&, QIODevice* outgoingData);
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virtual ~QNetworkReplyHttpImpl();
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void close() Q_DECL_OVERRIDE;
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void abort() Q_DECL_OVERRIDE;
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qint64 bytesAvailable() const Q_DECL_OVERRIDE;
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bool isSequential () const Q_DECL_OVERRIDE;
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qint64 size() const Q_DECL_OVERRIDE;
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qint64 readData(char*, qint64) Q_DECL_OVERRIDE;
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void setReadBufferSize(qint64 size) Q_DECL_OVERRIDE;
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bool canReadLine () const Q_DECL_OVERRIDE;
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Q_DECLARE_PRIVATE(QNetworkReplyHttpImpl)
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Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
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Q_PRIVATE_SLOT(d_func(), bool start(const QNetworkRequest &))
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Q_PRIVATE_SLOT(d_func(), void _q_cacheLoadReadyRead())
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Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData())
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Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished())
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#ifndef QT_NO_BEARERMANAGEMENT
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Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected())
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Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed())
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Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
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Q_PRIVATE_SLOT(d_func(), void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies))
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#endif
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Q_PRIVATE_SLOT(d_func(), void _q_finished())
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Q_PRIVATE_SLOT(d_func(), void _q_error(QNetworkReply::NetworkError, const QString &))
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// From reply
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Q_PRIVATE_SLOT(d_func(), void replyDownloadData(QByteArray))
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Q_PRIVATE_SLOT(d_func(), void replyFinished())
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Q_PRIVATE_SLOT(d_func(), void replyDownloadMetaData(QList<QPair<QByteArray,QByteArray> >,
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int, QString, bool, QSharedPointer<char>,
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qint64, qint64, bool))
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Q_PRIVATE_SLOT(d_func(), void replyDownloadProgressSlot(qint64,qint64))
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Q_PRIVATE_SLOT(d_func(), void httpAuthenticationRequired(const QHttpNetworkRequest &, QAuthenticator *))
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Q_PRIVATE_SLOT(d_func(), void httpError(QNetworkReply::NetworkError, const QString &))
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#ifndef QT_NO_SSL
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Q_PRIVATE_SLOT(d_func(), void replyEncrypted())
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Q_PRIVATE_SLOT(d_func(), void replySslErrors(const QList<QSslError> &, bool *, QList<QSslError> *))
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Q_PRIVATE_SLOT(d_func(), void replySslConfigurationChanged(const QSslConfiguration&))
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Q_PRIVATE_SLOT(d_func(), void replyPreSharedKeyAuthenticationRequiredSlot(QSslPreSharedKeyAuthenticator *))
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#endif
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#ifndef QT_NO_NETWORKPROXY
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Q_PRIVATE_SLOT(d_func(), void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth))
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#endif
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Q_PRIVATE_SLOT(d_func(), void resetUploadDataSlot(bool *r))
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Q_PRIVATE_SLOT(d_func(), void wantUploadDataSlot(qint64))
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Q_PRIVATE_SLOT(d_func(), void sentUploadDataSlot(qint64,qint64))
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Q_PRIVATE_SLOT(d_func(), void uploadByteDeviceReadyReadSlot())
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Q_PRIVATE_SLOT(d_func(), void emitReplyUploadProgress(qint64, qint64))
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Q_PRIVATE_SLOT(d_func(), void _q_cacheSaveDeviceAboutToClose())
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Q_PRIVATE_SLOT(d_func(), void _q_metaDataChanged())
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Q_PRIVATE_SLOT(d_func(), void onRedirected(const QUrl &, int, int))
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Q_PRIVATE_SLOT(d_func(), void followRedirect())
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#ifndef QT_NO_SSL
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protected:
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void ignoreSslErrors() Q_DECL_OVERRIDE;
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void ignoreSslErrorsImplementation(const QList<QSslError> &errors) Q_DECL_OVERRIDE;
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void setSslConfigurationImplementation(const QSslConfiguration &configuration) Q_DECL_OVERRIDE;
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void sslConfigurationImplementation(QSslConfiguration &configuration) const Q_DECL_OVERRIDE;
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#endif
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signals:
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// To HTTP thread:
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void startHttpRequest();
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void abortHttpRequest();
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void readBufferSizeChanged(qint64 size);
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void readBufferFreed(qint64 size);
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void startHttpRequestSynchronously();
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void haveUploadData(const qint64 pos, const QByteArray &dataArray, bool dataAtEnd, qint64 dataSize);
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};
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class QNetworkReplyHttpImplPrivate: public QNetworkReplyPrivate
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{
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public:
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static QHttpNetworkRequest::Priority convert(const QNetworkRequest::Priority& prio);
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QNetworkReplyHttpImplPrivate();
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~QNetworkReplyHttpImplPrivate();
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bool start(const QNetworkRequest &newHttpRequest);
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void _q_startOperation();
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void _q_cacheLoadReadyRead();
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void _q_bufferOutgoingData();
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void _q_bufferOutgoingDataFinished();
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void _q_cacheSaveDeviceAboutToClose();
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#ifndef QT_NO_BEARERMANAGEMENT
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void _q_networkSessionConnected();
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void _q_networkSessionFailed();
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void _q_networkSessionStateChanged(QNetworkSession::State);
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void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies);
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#endif
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void _q_finished();
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void finished();
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void error(QNetworkReply::NetworkError code, const QString &errorString);
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void _q_error(QNetworkReply::NetworkError code, const QString &errorString);
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void _q_metaDataChanged();
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void checkForRedirect(const int statusCode);
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// incoming from user
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QNetworkAccessManager *manager;
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QNetworkAccessManagerPrivate *managerPrivate;
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QHttpNetworkRequest httpRequest; // There is also a copy in the HTTP thread
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bool synchronous;
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State state;
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// from http thread
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int statusCode;
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QString reasonPhrase;
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// upload
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QNonContiguousByteDevice* createUploadByteDevice();
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QSharedPointer<QNonContiguousByteDevice> uploadByteDevice;
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qint64 uploadByteDevicePosition;
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bool uploadDeviceChoking; // if we couldn't readPointer() any data at the moment
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QIODevice *outgoingData;
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QSharedPointer<QRingBuffer> outgoingDataBuffer;
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void emitReplyUploadProgress(qint64 bytesSent, qint64 bytesTotal); // dup?
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void onRedirected(const QUrl &redirectUrl, int httpStatus, int maxRedirectsRemainig);
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void followRedirect();
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qint64 bytesUploaded;
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// cache
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void createCache();
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void completeCacheSave();
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void setCachingEnabled(bool enable);
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bool isCachingEnabled() const;
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bool isCachingAllowed() const;
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void initCacheSaveDevice();
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QIODevice *cacheLoadDevice;
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bool loadingFromCache;
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QIODevice *cacheSaveDevice;
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bool cacheEnabled; // is this for saving?
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QUrl urlForLastAuthentication;
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#ifndef QT_NO_NETWORKPROXY
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QNetworkProxy lastProxyAuthentication;
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#endif
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bool migrateBackend();
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bool canResume() const;
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void setResumeOffset(quint64 offset);
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quint64 resumeOffset;
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qint64 preMigrationDownloaded;
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QByteDataBuffer pendingDownloadData; // For signal compression
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qint64 bytesDownloaded;
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qint64 bytesBuffered;
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// Only used when the "zero copy" style is used.
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// Please note that the whole "zero copy" download buffer API is private right now. Do not use it.
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qint64 downloadBufferReadPosition;
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qint64 downloadBufferCurrentSize;
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QSharedPointer<char> downloadBufferPointer;
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char* downloadZerocopyBuffer;
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// Will be increased by HTTP thread:
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QSharedPointer<QAtomicInt> pendingDownloadDataEmissions;
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QSharedPointer<QAtomicInt> pendingDownloadProgressEmissions;
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#ifndef QT_NO_SSL
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QScopedPointer<QSslConfiguration> sslConfiguration;
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bool pendingIgnoreAllSslErrors;
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QList<QSslError> pendingIgnoreSslErrorsList;
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#endif
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QNetworkRequest redirectRequest;
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bool loadFromCacheIfAllowed(QHttpNetworkRequest &httpRequest);
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void invalidateCache();
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bool sendCacheContents(const QNetworkCacheMetaData &metaData);
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QNetworkCacheMetaData fetchCacheMetaData(const QNetworkCacheMetaData &metaData) const;
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void postRequest(const QNetworkRequest& newHttpRequest);
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QNetworkAccessManager::Operation getRedirectOperation(QNetworkAccessManager::Operation currentOp, int httpStatus);
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QNetworkRequest createRedirectRequest(const QNetworkRequest &originalRequests, const QUrl &url, int maxRedirectsRemainig);
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bool isHttpRedirectResponse() const;
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public:
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// From HTTP thread:
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void replyDownloadData(QByteArray);
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void replyFinished();
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void replyDownloadMetaData(const QList<QPair<QByteArray,QByteArray> > &, int, const QString &,
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bool, QSharedPointer<char>, qint64, qint64, bool);
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void replyDownloadProgressSlot(qint64,qint64);
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void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);
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void httpError(QNetworkReply::NetworkError error, const QString &errorString);
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#ifndef QT_NO_SSL
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void replyEncrypted();
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void replySslErrors(const QList<QSslError> &, bool *, QList<QSslError> *);
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void replySslConfigurationChanged(const QSslConfiguration &newSslConfiguration);
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void replyPreSharedKeyAuthenticationRequiredSlot(QSslPreSharedKeyAuthenticator *);
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#endif
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#ifndef QT_NO_NETWORKPROXY
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void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth);
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#endif
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// From QNonContiguousByteDeviceThreadForwardImpl in HTTP thread:
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void resetUploadDataSlot(bool *r);
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void wantUploadDataSlot(qint64);
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void sentUploadDataSlot(qint64, qint64);
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// From user's QNonContiguousByteDevice
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void uploadByteDeviceReadyReadSlot();
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Q_DECLARE_PUBLIC(QNetworkReplyHttpImpl)
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};
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QT_END_NAMESPACE
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#endif // QT_NO_HTTP
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#endif
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