mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-15 03:59:06 +00:00
407 lines
9 KiB
C++
407 lines
9 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "stdpch.h"
|
|
#include "operation.h"
|
|
#include "downloader.h"
|
|
|
|
#include "nel/misc/system_info.h"
|
|
#include "nel/misc/path.h"
|
|
|
|
#ifdef DEBUG_NEW
|
|
#define new DEBUG_NEW
|
|
#endif
|
|
|
|
CDownloader::CDownloader(QObject *parent, IOperationProgressListener *listener):QObject(parent), m_listener(listener), m_manager(NULL), m_reply(NULL), m_timer(NULL),
|
|
m_offset(0), m_size(0), m_supportsAcceptRanges(false), m_supportsContentRange(false),
|
|
m_downloadAfterHead(false), m_file(NULL)
|
|
{
|
|
m_manager = new QNetworkAccessManager(this);
|
|
m_timer = new QTimer(this);
|
|
|
|
connect(m_timer, SIGNAL(timeout()), this, SLOT(onTimeout()));
|
|
}
|
|
|
|
CDownloader::~CDownloader()
|
|
{
|
|
stopTimer();
|
|
closeFile();
|
|
}
|
|
|
|
bool CDownloader::getHtmlPageContent(const QString &url)
|
|
{
|
|
if (url.isEmpty()) return false;
|
|
|
|
QNetworkRequest request(url);
|
|
request.setHeader(QNetworkRequest::UserAgentHeader, "Ryzom Installer/1.0");
|
|
|
|
QNetworkReply *reply = m_manager->get(request);
|
|
|
|
connect(reply, SIGNAL(finished()), SLOT(onHtmlPageFinished()));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CDownloader::prepareFile(const QString &url, const QString &fullPath)
|
|
{
|
|
if (url.isEmpty()) return false;
|
|
|
|
m_downloadAfterHead = false;
|
|
|
|
if (m_listener) m_listener->operationPrepare();
|
|
|
|
m_fullPath = fullPath;
|
|
m_url = url;
|
|
|
|
getFileHead();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CDownloader::getFile()
|
|
{
|
|
if (m_fullPath.isEmpty() || m_url.isEmpty())
|
|
{
|
|
qDebug() << "You forget to call prepareFile before";
|
|
|
|
return false;
|
|
}
|
|
|
|
m_downloadAfterHead = true;
|
|
|
|
getFileHead();
|
|
|
|
return true;
|
|
}
|
|
|
|
void CDownloader::startTimer()
|
|
{
|
|
stopTimer();
|
|
|
|
m_timer->setInterval(30000);
|
|
m_timer->setSingleShot(true);
|
|
m_timer->start();
|
|
}
|
|
|
|
void CDownloader::stopTimer()
|
|
{
|
|
if (m_timer->isActive()) m_timer->stop();
|
|
}
|
|
|
|
bool CDownloader::openFile()
|
|
{
|
|
closeFile();
|
|
|
|
m_file = new QFile(m_fullPath);
|
|
|
|
if (m_file->open(QFile::Append)) return true;
|
|
|
|
closeFile();
|
|
|
|
return false;
|
|
}
|
|
|
|
void CDownloader::closeFile()
|
|
{
|
|
if (m_file)
|
|
{
|
|
m_file->close();
|
|
|
|
delete m_file;
|
|
m_file = NULL;
|
|
}
|
|
}
|
|
|
|
void CDownloader::getFileHead()
|
|
{
|
|
if (m_supportsAcceptRanges)
|
|
{
|
|
QFileInfo fileInfo(m_fullPath);
|
|
|
|
if (fileInfo.exists())
|
|
{
|
|
m_offset = fileInfo.size();
|
|
}
|
|
else
|
|
{
|
|
m_offset = 0;
|
|
}
|
|
|
|
// continue if offset less than size
|
|
if (m_offset >= m_size)
|
|
{
|
|
if (checkDownloadedFile())
|
|
{
|
|
// file is already downloaded
|
|
if (m_listener) m_listener->operationSuccess(m_size);
|
|
|
|
emit downloadDone();
|
|
}
|
|
else
|
|
{
|
|
// or has wrong size
|
|
if (m_listener) m_listener->operationFail(tr("File is larger (%1B) than expected (%2B)").arg(m_offset).arg(m_size));
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
QNetworkRequest request(m_url);
|
|
request.setHeader(QNetworkRequest::UserAgentHeader, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0");
|
|
|
|
if (m_supportsAcceptRanges)
|
|
{
|
|
request.setRawHeader("Range", QString("bytes=%1-").arg(m_offset).toLatin1());
|
|
}
|
|
|
|
m_reply = m_manager->head(request);
|
|
|
|
connect(m_reply, SIGNAL(finished()), SLOT(onHeadFinished()));
|
|
connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(onError(QNetworkReply::NetworkError)));
|
|
|
|
startTimer();
|
|
}
|
|
|
|
void CDownloader::downloadFile()
|
|
{
|
|
qint64 freeSpace = NLMISC::CSystemInfo::availableHDSpace(m_fullPath.toUtf8().constData());
|
|
|
|
if (freeSpace < m_size - m_offset)
|
|
{
|
|
// we have not enough free disk space to continue download
|
|
if (m_listener) m_listener->operationFail(tr("You only have %1 bytes left on the device, but %2 bytes are needed.").arg(freeSpace).arg(m_size - m_offset));
|
|
return;
|
|
}
|
|
|
|
if (!openFile())
|
|
{
|
|
if (m_listener) m_listener->operationFail(tr("Unable to write file"));
|
|
return;
|
|
}
|
|
|
|
QNetworkRequest request(m_url);
|
|
request.setHeader(QNetworkRequest::UserAgentHeader, "Opera/9.80 (Windows NT 6.2; Win64; x64) Presto/2.12.388 Version/12.17");
|
|
|
|
if (supportsResume())
|
|
{
|
|
request.setRawHeader("Range", QString("bytes=%1-%2").arg(m_offset).arg(m_size-1).toLatin1());
|
|
}
|
|
|
|
m_reply = m_manager->get(request);
|
|
|
|
connect(m_reply, SIGNAL(finished()), SLOT(onDownloadFinished()));
|
|
connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(onError(QNetworkReply::NetworkError)));
|
|
connect(m_reply, SIGNAL(downloadProgress(qint64, qint64)), SLOT(onDownloadProgress(qint64, qint64)));
|
|
connect(m_reply, SIGNAL(readyRead()), SLOT(onDownloadRead()));
|
|
|
|
if (m_listener) m_listener->operationStart();
|
|
|
|
startTimer();
|
|
}
|
|
|
|
bool CDownloader::checkDownloadedFile()
|
|
{
|
|
QFileInfo file(m_fullPath);
|
|
|
|
return file.size() == m_size && file.lastModified().toUTC() == m_lastModified;
|
|
}
|
|
|
|
void CDownloader::onTimeout()
|
|
{
|
|
qDebug() << "Timeout";
|
|
|
|
if (m_listener) m_listener->operationFail(tr("Timeout"));
|
|
}
|
|
|
|
void CDownloader::onHtmlPageFinished()
|
|
{
|
|
QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
|
|
|
|
int status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
|
|
QString html = QString::fromUtf8(reply->readAll());
|
|
|
|
reply->deleteLater();
|
|
|
|
emit htmlPageContent(html);
|
|
}
|
|
|
|
void CDownloader::onHeadFinished()
|
|
{
|
|
stopTimer();
|
|
|
|
int status = m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
|
|
|
|
QString redirection = m_reply->header(QNetworkRequest::LocationHeader).toString();
|
|
|
|
m_size = m_reply->header(QNetworkRequest::ContentLengthHeader).toInt();
|
|
m_lastModified = m_reply->header(QNetworkRequest::LastModifiedHeader).toDateTime().toUTC();
|
|
|
|
QString acceptRanges = QString::fromLatin1(m_reply->rawHeader("Accept-Ranges"));
|
|
QString contentRange = QString::fromLatin1(m_reply->rawHeader("Content-Range"));
|
|
|
|
m_reply->deleteLater();
|
|
m_reply = NULL;
|
|
|
|
// redirection
|
|
if (status == 302)
|
|
{
|
|
if (redirection.isEmpty())
|
|
{
|
|
if (m_listener) m_listener->operationFail(tr("Redirection URL is not defined"));
|
|
return;
|
|
}
|
|
|
|
// redirection on another server, recheck resume
|
|
m_supportsAcceptRanges = false;
|
|
m_supportsContentRange = false;
|
|
|
|
m_referer = m_url;
|
|
|
|
// update real URL
|
|
m_url = redirection;
|
|
|
|
getFileHead();
|
|
|
|
return;
|
|
}
|
|
|
|
// we requested without range
|
|
else if (status == 200)
|
|
{
|
|
// update size
|
|
if (m_listener) m_listener->operationInit(0, m_size);
|
|
|
|
if (!m_supportsAcceptRanges && acceptRanges == "bytes")
|
|
{
|
|
// server supports resume, part 1
|
|
m_supportsAcceptRanges = true;
|
|
|
|
// request range
|
|
getFileHead();
|
|
return;
|
|
}
|
|
|
|
// server doesn't support resume or
|
|
// we requested range, but server always returns 200
|
|
// download from the beginning
|
|
}
|
|
|
|
// we requested with a range
|
|
else if (status == 206)
|
|
{
|
|
// server supports resume
|
|
QRegExp regexp("^bytes ([0-9]+)-([0-9]+)/([0-9]+)$");
|
|
|
|
if (m_supportsAcceptRanges && regexp.exactMatch(contentRange))
|
|
{
|
|
m_supportsContentRange = true;
|
|
m_offset = regexp.cap(1).toLongLong();
|
|
|
|
// when resuming, Content-Length is the size of missing parts to download
|
|
m_size = regexp.cap(3).toLongLong();
|
|
|
|
// update offset and size
|
|
if (m_listener) m_listener->operationInit(m_offset, m_size);
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "Unable to parse";
|
|
}
|
|
}
|
|
|
|
// error when download is not yet ready
|
|
else if (status == 307)
|
|
{
|
|
if (m_listener) m_listener->operationFail(tr("File is not available, please retry later (status code: %1)").arg(status));
|
|
return;
|
|
}
|
|
|
|
// other status
|
|
else
|
|
{
|
|
if (m_listener) m_listener->operationFail(tr("Incorrect status code: %1").arg(status));
|
|
return;
|
|
}
|
|
|
|
if (m_downloadAfterHead)
|
|
{
|
|
if (checkDownloadedFile())
|
|
{
|
|
qDebug() << "same date and size";
|
|
}
|
|
else
|
|
{
|
|
downloadFile();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
emit downloadPrepared();
|
|
}
|
|
}
|
|
|
|
void CDownloader::onDownloadFinished()
|
|
{
|
|
m_reply->deleteLater();
|
|
m_reply = NULL;
|
|
|
|
closeFile();
|
|
|
|
if (m_listener && m_listener->operationShouldStop())
|
|
{
|
|
m_listener->operationStop();
|
|
}
|
|
else
|
|
{
|
|
bool ok = NLMISC::CFile::setFileModificationDate(m_fullPath.toUtf8().constData(), m_lastModified.toTime_t());
|
|
|
|
if (m_listener) m_listener->operationSuccess(m_size);
|
|
|
|
emit downloadDone();
|
|
}
|
|
}
|
|
|
|
void CDownloader::onError(QNetworkReply::NetworkError error)
|
|
{
|
|
if (!m_listener) return;
|
|
|
|
if (error == QNetworkReply::OperationCanceledError)
|
|
{
|
|
m_listener->operationStop();
|
|
}
|
|
else
|
|
{
|
|
m_listener->operationFail(tr("Network error: %1").arg(error));
|
|
}
|
|
}
|
|
|
|
void CDownloader::onDownloadProgress(qint64 current, qint64 total)
|
|
{
|
|
stopTimer();
|
|
|
|
if (!m_listener) return;
|
|
|
|
m_listener->operationProgress(m_offset + current, m_url);
|
|
|
|
// abort download
|
|
if (m_listener->operationShouldStop() && m_reply) m_reply->abort();
|
|
}
|
|
|
|
void CDownloader::onDownloadRead()
|
|
{
|
|
if (m_file) m_file->write(m_reply->readAll());
|
|
}
|