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Diffstat (limited to 'src/network/access/qnetworkaccessdatabackend.cpp')
-rw-r--r-- | src/network/access/qnetworkaccessdatabackend.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/network/access/qnetworkaccessdatabackend.cpp b/src/network/access/qnetworkaccessdatabackend.cpp new file mode 100644 index 0000000..f31247c --- /dev/null +++ b/src/network/access/qnetworkaccessdatabackend.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qnetworkaccessdatabackend_p.h" +#include "qnetworkrequest.h" +#include "qnetworkreply.h" +#include "qurlinfo.h" + +QT_BEGIN_NAMESPACE + +QNetworkAccessBackend * +QNetworkAccessDataBackendFactory::create(QNetworkAccessManager::Operation, + const QNetworkRequest &request) const +{ + if (request.url().scheme() == QLatin1String("data")) + return new QNetworkAccessDataBackend; + + return 0; +} + +QNetworkAccessDataBackend::QNetworkAccessDataBackend() +{ +} + +QNetworkAccessDataBackend::~QNetworkAccessDataBackend() +{ +} + +void QNetworkAccessDataBackend::open() +{ + QUrl uri = request().url(); + + if (operation() != QNetworkAccessManager::GetOperation && + operation() != QNetworkAccessManager::HeadOperation) { + // data: doesn't support anything but GET + QString msg = QObject::tr("Operation not supported on %1") + .arg(uri.toString()); + error(QNetworkReply::ContentOperationNotPermittedError, msg); + finished(); + return; + } + + if (uri.host().isEmpty()) { + setHeader(QNetworkRequest::ContentTypeHeader, QLatin1String("text/plain;charset=US-ASCII")); + + // the following would have been the correct thing, but + // reality often differs from the specification. People have + // data: URIs with ? and # + //QByteArray data = QByteArray::fromPercentEncoding(uri.encodedPath()); + QByteArray data = QByteArray::fromPercentEncoding(uri.toEncoded()); + + // remove the data: scheme + data.remove(0, 5); + + // parse it: + int pos = data.indexOf(','); + if (pos != -1) { + QByteArray payload = data.mid(pos + 1); + data.truncate(pos); + data = data.trimmed(); + + // find out if the payload is encoded in Base64 + if (data.endsWith(";base64")) { + payload = QByteArray::fromBase64(payload); + data.chop(7); + } + + if (data.toLower().startsWith("charset")) { + int i = 7; // strlen("charset") + while (data.at(i) == ' ') + ++i; + if (data.at(i) == '=') + data.prepend("text/plain;"); + } + + if (!data.isEmpty()) + setHeader(QNetworkRequest::ContentTypeHeader, data.trimmed()); + + setHeader(QNetworkRequest::ContentLengthHeader, payload.size()); + emit metaDataChanged(); + + writeDownstreamData(payload); + finished(); + return; + } + } + + // something wrong with this URI + QString msg = QObject::tr("Invalid URI: %1").arg(uri.toString()); + error(QNetworkReply::ProtocolFailure, msg); + finished(); +} + +void QNetworkAccessDataBackend::closeDownstreamChannel() +{ +} + +void QNetworkAccessDataBackend::closeUpstreamChannel() +{ +} + +bool QNetworkAccessDataBackend::waitForDownstreamReadyRead(int) +{ + return false; +} + +bool QNetworkAccessDataBackend::waitForUpstreamBytesWritten(int) +{ + return false; +} + +QT_END_NAMESPACE |