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/*
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "NetworkingContext.h"
#include "ResourceRequest.h"
#include "ThirdPartyCookiesQt.h"
#if ENABLE(BLOB)
#include "BlobData.h"
#include "BlobRegistryImpl.h"
#include "BlobStorageData.h"
#endif
#include <qglobal.h>
#include <QNetworkRequest>
#include <QUrl>
namespace WebCore {
// The limit can be found in qhttpnetworkconnection.cpp.
// To achieve the best result we want WebKit to schedule the jobs so we
// are using the limit as found in Qt. To allow Qt to fill its queue
// and prepare jobs we will schedule two more downloads.
// Per TCP connection there is 1 current processed, 3 possibly pipelined
// and 2 ready to re-fill the pipeline.
unsigned initializeMaximumHTTPConnectionCountPerHost()
{
return 6 * (1 + 3 + 2);
}
#if ENABLE(BLOB)
static void appendBlobResolved(QByteArray& data, const QUrl& url, QString* contentType = 0)
{
RefPtr<BlobStorageData> blobData = static_cast<BlobRegistryImpl&>(blobRegistry()).getBlobDataFromURL(url);
if (!blobData)
return;
if (contentType)
*contentType = blobData->contentType();
BlobDataItemList::const_iterator it = blobData->items().begin();
const BlobDataItemList::const_iterator itend = blobData->items().end();
for (; it != itend; ++it) {
const BlobDataItem& blobItem = *it;
if (blobItem.type == BlobDataItem::Data)
data.append(blobItem.data->data() + static_cast<int>(blobItem.offset), static_cast<int>(blobItem.length));
else if (blobItem.type == BlobDataItem::Blob)
appendBlobResolved(data, blobItem.url);
else if (blobItem.type == BlobDataItem::File) {
// File types are not allowed here, so just ignore it.
} else
ASSERT_NOT_REACHED();
}
}
static void resolveBlobUrl(const QUrl& url, QUrl& resolvedUrl)
{
RefPtr<BlobStorageData> blobData = static_cast<BlobRegistryImpl&>(blobRegistry()).getBlobDataFromURL(url);
if (!blobData)
return;
QByteArray data;
QString contentType;
appendBlobResolved(data, url, &contentType);
QString dataUri(QStringLiteral("data:"));
dataUri.append(contentType);
dataUri.append(QStringLiteral(";base64,"));
dataUri.append(QString::fromLatin1(data.toBase64()));
resolvedUrl = QUrl(dataUri);
}
#endif
static inline QByteArray stringToByteArray(const String& string)
{
if (string.is8Bit())
return QByteArray(reinterpret_cast<const char*>(string.characters8()), string.length());
return QString(string).toLatin1();
}
QNetworkRequest ResourceRequest::toNetworkRequest(NetworkingContext *context) const
{
QNetworkRequest request;
QUrl newurl = url();
#if ENABLE(BLOB)
if (newurl.scheme() == QLatin1String("blob"))
resolveBlobUrl(url(), newurl);
#endif
request.setUrl(newurl);
request.setOriginatingObject(context ? context->originatingObject() : 0);
const HTTPHeaderMap &headers = httpHeaderFields();
for (HTTPHeaderMap::const_iterator it = headers.begin(), end = headers.end();
it != end; ++it) {
QByteArray name = stringToByteArray(it->key);
// QNetworkRequest::setRawHeader() would remove the header if the value is null
// Make sure to set an empty header instead of null header.
if (!it->value.isNull())
request.setRawHeader(name, stringToByteArray(it->value));
else
request.setRawHeader(name, QByteArrayLiteral(""));
}
// Make sure we always have an Accept header; some sites require this to
// serve subresources
if (!request.hasRawHeader("Accept"))
request.setRawHeader("Accept", "*/*");
switch (cachePolicy()) {
case ReloadIgnoringCacheData:
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork);
break;
case ReturnCacheDataElseLoad:
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
break;
case ReturnCacheDataDontLoad:
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
break;
case UseProtocolCachePolicy:
// QNetworkRequest::PreferNetwork
default:
break;
}
if (!allowCookies() || !thirdPartyCookiePolicyPermits(context, url(), firstPartyForCookies())) {
request.setAttribute(QNetworkRequest::CookieSaveControlAttribute, QNetworkRequest::Manual);
request.setAttribute(QNetworkRequest::CookieLoadControlAttribute, QNetworkRequest::Manual);
}
if (!allowCookies())
request.setAttribute(QNetworkRequest::AuthenticationReuseAttribute, QNetworkRequest::Manual);
return request;
}
}
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