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