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/* Copyright 2013-2015 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ByteArrayDownload.h"
#include "Env.h"
#include <QDebug>
ByteArrayDownload::ByteArrayDownload(QUrl url) : NetAction()
{
m_url = url;
m_status = Job_NotStarted;
}
void ByteArrayDownload::start()
{
qDebug() << "Downloading " << m_url.toString();
QNetworkRequest request(m_url);
request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Uncached)");
auto worker = ENV.qnam();
QNetworkReply *rep = worker->get(request);
m_reply.reset(rep);
connect(rep, SIGNAL(downloadProgress(qint64, qint64)),
SLOT(downloadProgress(qint64, qint64)));
connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
SLOT(downloadError(QNetworkReply::NetworkError)));
connect(rep, SIGNAL(readyRead()), SLOT(downloadReadyRead()));
}
void ByteArrayDownload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
{
m_total_progress = bytesTotal;
m_progress = bytesReceived;
emit netActionProgress(m_index_within_job, bytesReceived, bytesTotal);
}
void ByteArrayDownload::downloadError(QNetworkReply::NetworkError error)
{
// error happened during download.
qCritical() << "Error getting URL:" << m_url.toString().toLocal8Bit()
<< "Network error: " << error;
m_status = Job_Failed;
m_errorString = m_reply->errorString();
}
void ByteArrayDownload::downloadFinished()
{
QVariant redirect = m_reply->header(QNetworkRequest::LocationHeader);
QString redirectURL;
if(redirect.isValid())
{
redirectURL = redirect.toString();
}
// FIXME: This is a hack for https://bugreports.qt-project.org/browse/QTBUG-41061
else if(m_reply->hasRawHeader("Location"))
{
auto data = m_reply->rawHeader("Location");
if(data.size() > 2 && data[0] == '/' && data[1] == '/')
redirectURL = m_reply->url().scheme() + ":" + data;
}
if (!redirectURL.isEmpty())
{
m_url = QUrl(redirect.toString());
qDebug() << "Following redirect to " << m_url.toString();
start();
return;
}
// if the download succeeded
if (m_status != Job_Failed)
{
// nothing went wrong...
m_status = Job_Finished;
m_data = m_reply->readAll();
m_content_type = m_reply->header(QNetworkRequest::ContentTypeHeader).toString();
m_reply.reset();
emit succeeded(m_index_within_job);
return;
}
// else the download failed
else
{
m_reply.reset();
emit failed(m_index_within_job);
return;
}
}
void ByteArrayDownload::downloadReadyRead()
{
// ~_~
}
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