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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
#include "qget.h"
#include <QAuthenticator>
#include <QCoreApplication>
#include <QDebug>
#include <QSslError>
DownloadManager::DownloadManager()
: queueMode (Parallel)
{
connect(&nam, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
connect(&nam, SIGNAL(authenticationRequired(QNetworkReply*,QAuthenticator*)), this, SLOT(authenticationRequired(QNetworkReply*,QAuthenticator*)));
connect(&nam, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)), this, SLOT(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)));
#ifndef QT_NO_SSL
connect(&nam, SIGNAL(sslErrors(QNetworkReply*,QList<QSslError>)), this, SLOT(sslErrors(QNetworkReply*,QList<QSslError>)));
#endif
}
DownloadManager::~DownloadManager()
{
}
void DownloadManager::get(const QNetworkRequest &request, const QString &user, const QString &password)
{
DownloadItem *dl = new DownloadItem(request, user, password, nam);
transfers.append(dl);
connect(dl, SIGNAL(downloadFinished(TransferItem*)), SLOT(downloadFinished(TransferItem*)));
}
void DownloadManager::upload(const QNetworkRequest &request, const QString &user, const QString &password, const QString &filename, TransferItem::Method method)
{
QScopedPointer<QFile> file(new QFile(filename));
if (!file->open(QFile::ReadOnly)) {
qDebug() << "Can't open input file" << file->fileName() << file->errorString();
return;
}
UploadItem *ul = new UploadItem(request, user, password, nam, file.take(), method);
transfers.append(ul);
connect(ul, SIGNAL(downloadFinished(TransferItem*)), SLOT(downloadFinished(TransferItem*)));
}
void DownloadManager::finished(QNetworkReply *)
{
}
void DownloadManager::downloadFinished(TransferItem *item)
{
qDebug() << "finished " << item->reply->url() << " with http status: " << item->reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (item->reply->error() != QNetworkReply::NoError)
qDebug() << "and error: " << item->reply->error() << item->reply->errorString();
transfers.removeOne(item);
item->deleteLater();
checkForAllDone();
}
void DownloadManager::checkForAllDone()
{
if (transfers.isEmpty()) {
qDebug() << "All Done.";
QCoreApplication::quit();
}
foreach (TransferItem *item, transfers) {
if (!item->reply) {
item->start();
//by default multiple downloads are processed in parallel.
//but in serial mode, only start one transfer at a time.
if (queueMode == Serial)
break;
}
}
}
void DownloadManager::authenticationRequired(QNetworkReply *reply, QAuthenticator *auth)
{
qDebug() << "authenticationRequired" << reply;
TransferItem *transfer = findTransfer(reply);
//provide the credentials exactly once, so that it fails if credentials are incorrect.
if ((transfer && !transfer->user.isEmpty()) || !transfer->password.isEmpty()) {
auth->setUser(transfer->user);
auth->setPassword(transfer->password);
transfer->user.clear();
transfer->password.clear();
}
}
void DownloadManager::proxyAuthenticationRequired(const QNetworkProxy &, QAuthenticator *auth)
{
//provide the credentials exactly once, so that it fails if credentials are incorrect.
if (!proxyUser.isEmpty() || !proxyPassword.isEmpty()) {
auth->setUser(proxyUser);
auth->setPassword(proxyPassword);
proxyUser.clear();
proxyPassword.clear();
}
}
#ifndef QT_NO_SSL
void DownloadManager::sslErrors(QNetworkReply *, const QList<QSslError> &errors)
{
qDebug() << "sslErrors";
foreach (const QSslError &error, errors) {
qDebug() << error.errorString();
qDebug() << error.certificate().toPem();
}
}
#endif
TransferItem *DownloadManager::findTransfer(QNetworkReply *reply)
{
foreach (TransferItem *item, transfers) {
if (item->reply == reply)
return item;
}
return 0;
}
void DownloadManager::setQueueMode(QueueMode mode)
{
queueMode = mode;
}
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