/****************************************************************************

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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** This file is part of the QtNetwork module of the Qt Toolkit.

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****************************************************************************/

#include "qhttpnetworkrequest_p.h"

#include "private/qnoncontiguousbytedevice_p.h"

#ifndef QT_NO_HTTP

QT_BEGIN_NAMESPACE

QHttpNetworkRequestPrivate::QHttpNetworkRequestPrivate(QHttpNetworkRequest::Operation op,

        QHttpNetworkRequest::Priority pri, const QUrl &newUrl)

    : QHttpNetworkHeaderPrivate(newUrl), operation(op), priority(pri), uploadByteDevice(0),

      autoDecompress(false), pipeliningAllowed(false), withCredentials(true)

{

}

QHttpNetworkRequestPrivate::QHttpNetworkRequestPrivate(const QHttpNetworkRequestPrivate &other)

    : QHttpNetworkHeaderPrivate(other)

{

    operation = other.operation;

    priority = other.priority;

    uploadByteDevice = other.uploadByteDevice;

    autoDecompress = other.autoDecompress;

    pipeliningAllowed = other.pipeliningAllowed;

    customVerb = other.customVerb;

    withCredentials = other.withCredentials;

}

QHttpNetworkRequestPrivate::~QHttpNetworkRequestPrivate()

{

}

bool QHttpNetworkRequestPrivate::operator==(const QHttpNetworkRequestPrivate &other) const

{

    return QHttpNetworkHeaderPrivate::operator==(other)

        && (operation == other.operation)

        && (uploadByteDevice == other.uploadByteDevice);

}

QByteArray QHttpNetworkRequestPrivate::methodName() const

{

    switch (operation) {

    case QHttpNetworkRequest::Get:

        return "GET";

        break;

    case QHttpNetworkRequest::Head:

        return "HEAD";

        break;

    case QHttpNetworkRequest::Post:

        return "POST";

        break;

    case QHttpNetworkRequest::Options:

        return "OPTIONS";

        break;

    case QHttpNetworkRequest::Put:

        return "PUT";

        break;

    case QHttpNetworkRequest::Delete:

        return "DELETE";

        break;

    case QHttpNetworkRequest::Trace:

        return "TRACE";

        break;

    case QHttpNetworkRequest::Connect:

        return "CONNECT";

        break;

    case QHttpNetworkRequest::Custom:

        return customVerb;

        break;

    default:

        break;

    }

    return QByteArray();

}

QByteArray QHttpNetworkRequestPrivate::uri(bool throughProxy) const

{

    QUrl::FormattingOptions format(QUrl::RemoveFragment);

    // for POST, query data is send as content

    if (operation == QHttpNetworkRequest::Post && !uploadByteDevice)

        format |= QUrl::RemoveQuery;

    // for requests through proxy, the Request-URI contains full url

    if (throughProxy)

        format |= QUrl::RemoveUserInfo;

    else

        format |= QUrl::RemoveScheme | QUrl::RemoveAuthority;

    QByteArray uri = url.toEncoded(format);

    if (uri.isEmpty() || (throughProxy && url.path().isEmpty()))

        uri += '/';

    return uri;

}

QByteArray QHttpNetworkRequestPrivate::header(const QHttpNetworkRequest &request, bool throughProxy)

{

    QList<QPair<QByteArray, QByteArray> > fields = request.header();

    QByteArray ba;

    ba.reserve(40 + fields.length()*25); // very rough lower bound estimation

    ba += request.d->methodName();

    ba += ' ';

    ba += request.d->uri(throughProxy);

    ba += " HTTP/";

    ba += QByteArray::number(request.majorVersion());

    ba += '.';

    ba += QByteArray::number(request.minorVersion());

    ba += "\r\n";

    QList<QPair<QByteArray, QByteArray> >::const_iterator it = fields.constBegin();

    QList<QPair<QByteArray, QByteArray> >::const_iterator endIt = fields.constEnd();

    for (; it != endIt; ++it) {

        ba += it->first;

        ba += ": ";

        ba += it->second;

        ba += "\r\n";

    }

    if (request.d->operation == QHttpNetworkRequest::Post) {

        // add content type, if not set in the request

        if (request.headerField("content-type").isEmpty())

            ba += "Content-Type: application/x-www-form-urlencoded\r\n";

        if (!request.d->uploadByteDevice && request.d->url.hasQuery()) {

            QByteArray query = request.d->url.encodedQuery();

            ba += "Content-Length: ";

            ba += QByteArray::number(query.size());

            ba += "\r\n\r\n";

            ba += query;

        } else {

            ba += "\r\n";

        }

    } else {

        ba += "\r\n";

    }

     return ba;

}

// QHttpNetworkRequest

QHttpNetworkRequest::QHttpNetworkRequest(const QUrl &url, Operation operation, Priority priority)

    : d(new QHttpNetworkRequestPrivate(operation, priority, url))

{

}

QHttpNetworkRequest::QHttpNetworkRequest(const QHttpNetworkRequest &other)

    : QHttpNetworkHeader(other), d(other.d)

{

}

QHttpNetworkRequest::~QHttpNetworkRequest()

{

}

QUrl QHttpNetworkRequest::url() const

{

    return d->url;

}

void QHttpNetworkRequest::setUrl(const QUrl &url)

{

    d->url = url;

}

qint64 QHttpNetworkRequest::contentLength() const

{

    return d->contentLength();

}

void QHttpNetworkRequest::setContentLength(qint64 length)

{

    d->setContentLength(length);

}

QList<QPair<QByteArray, QByteArray> > QHttpNetworkRequest::header() const

{

    return d->fields;

}

QByteArray QHttpNetworkRequest::headerField(const QByteArray &name, const QByteArray &defaultValue) const

{

    return d->headerField(name, defaultValue);

}

void QHttpNetworkRequest::setHeaderField(const QByteArray &name, const QByteArray &data)

{

    d->setHeaderField(name, data);

}

QHttpNetworkRequest &QHttpNetworkRequest::operator=(const QHttpNetworkRequest &other)

{

    d = other.d;

    return *this;

}

bool QHttpNetworkRequest::operator==(const QHttpNetworkRequest &other) const

{

    return d->operator==(*other.d);

}

QHttpNetworkRequest::Operation QHttpNetworkRequest::operation() const

{

    return d->operation;

}

void QHttpNetworkRequest::setOperation(Operation operation)

{

    d->operation = operation;

}

QByteArray QHttpNetworkRequest::customVerb() const

{

    return d->customVerb;

}

void QHttpNetworkRequest::setCustomVerb(const QByteArray &customVerb)

{

    d->customVerb = customVerb;

}

QHttpNetworkRequest::Priority QHttpNetworkRequest::priority() const

{

    return d->priority;

}

void QHttpNetworkRequest::setPriority(Priority priority)

{

    d->priority = priority;

}

bool QHttpNetworkRequest::isPipeliningAllowed() const

{

    return d->pipeliningAllowed;

}

void QHttpNetworkRequest::setPipeliningAllowed(bool b)

{

    d->pipeliningAllowed = b;

}

bool QHttpNetworkRequest::withCredentials() const

{

    return d->withCredentials;

}

void QHttpNetworkRequest::setWithCredentials(bool b)

{

    d->withCredentials = b;

}

void QHttpNetworkRequest::setUploadByteDevice(QNonContiguousByteDevice *bd)

{

    d->uploadByteDevice = bd;

}

QNonContiguousByteDevice* QHttpNetworkRequest::uploadByteDevice() const

{

    return d->uploadByteDevice;

}

int QHttpNetworkRequest::majorVersion() const

{

    return 1;

}

int QHttpNetworkRequest::minorVersion() const

{

    return 1;

}

QT_END_NAMESPACE

#endif