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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qget.h"
#include <QDebug>
TransferItem::TransferItem(const QNetworkRequest &r, const QString &u, const QString &p, QNetworkAccessManager &n, Method m)
: method(m), request(r), reply(0), nam(n), inputFile(0), outputFile(0), user(u), password(p)
{
}
void TransferItem::progress(qint64 sent, qint64 total)
{
if (total > 0)
qDebug() << (sent*100/total) << '%';
else
qDebug() << sent << 'B';
}
void TransferItem::start()
{
switch (method) {
case Get:
reply = nam.get(request);
connect(reply, SIGNAL(readyRead()), this, SLOT(readyRead()));
connect(reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(progress(qint64,qint64)));
break;
case Put:
reply = nam.put(request, inputFile);
connect(reply, SIGNAL(uploadProgress(qint64,qint64)), this, SLOT(progress(qint64,qint64)));
break;
case Post:
reply = nam.post(request, inputFile);
connect(reply, SIGNAL(uploadProgress(qint64,qint64)), this, SLOT(progress(qint64,qint64)));
break;
}
connect(reply, SIGNAL(finished()), this, SLOT(finished()));
}
DownloadItem::DownloadItem(const QNetworkRequest &r, const QString &user, const QString &password, QNetworkAccessManager &manager)
: TransferItem(r, user, password, manager, Get)
{
}
DownloadItem::~DownloadItem()
{
}
void DownloadItem::readyRead()
{
if (!outputFile)
outputFile = new QFile(this);
if (!outputFile->isOpen()) {
qDebug() << reply->header(QNetworkRequest::ContentTypeHeader) << reply->header(QNetworkRequest::ContentLengthHeader);
QString path = reply->url().path();
path = path.mid(path.lastIndexOf('/') + 1);
if (path.isEmpty())
path = QLatin1String("index.html");
outputFile->setFileName(path);
for (int i=1;i<1000;i++) {
if (!outputFile->exists() && outputFile->open(QIODevice::WriteOnly | QIODevice::Truncate))
break;
outputFile->setFileName(QString(QLatin1String("%1.%2")).arg(path).arg(i));
}
if (!outputFile->isOpen()) {
qDebug() << "couldn't open output file";
reply->abort();
return;
}
qDebug() << reply->url() << " -> " << outputFile->fileName();
}
outputFile->write(reply->readAll());
}
void DownloadItem::finished()
{
if (reply->attribute(QNetworkRequest::RedirectionTargetAttribute).isValid()) {
QUrl url = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
url = reply->url().resolved(url);
qDebug() << reply->url() << "redirected to " << url;
if (redirects.contains(url)) {
qDebug() << "redirect loop detected";
} else if (redirects.count() > 10) {
qDebug() << "too many redirects";
} else {
//follow redirect
if (outputFile && outputFile->isOpen()) {
if (!outputFile->seek(0) || !outputFile->resize(0)) {
outputFile->close();
outputFile->remove();
}
}
reply->deleteLater();
reply = nam.get(QNetworkRequest(url));
reply->setParent(this);
connect(reply, SIGNAL(readyRead()), this, SLOT(readyRead()));
connect(reply, SIGNAL(finished()), this, SLOT(finished()));
redirects.append(url);
return;
}
}
if (outputFile && outputFile->isOpen()) {
outputFile->write(reply->readAll());
outputFile->close();
}
emit downloadFinished(this);
}
UploadItem::UploadItem(const QNetworkRequest &r, const QString &user, const QString &password, QNetworkAccessManager &n, QFile *f, TransferItem::Method method)
: TransferItem(r,user, password, n,method)
{
inputFile = f;
f->setParent(this);
qDebug() << f->fileName() << f->isOpen() << f->size();
}
UploadItem::~UploadItem()
{
}
void UploadItem::finished()
{
emit downloadFinished(this);
}
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