File indexing completed on 2024-04-28 04:57:32

 /* This file is part of the KDE project
 
    Copyright (C) 2004 Dario Massarin <nekkar@libero.it>
    Copyright (C) 2007 Manolo Valdes <nolis71cu@gmail.com>
    Copyright (C) 2009 Matthias Fuchs <mat69@gmx.net>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 */
 
 #include "metalink.h"
 #include "fileselectiondlg.h"
 #include "metalinksettings.h"
 
 #include "core/download.h"
 #include "core/filemodel.h"
 #include "core/kget.h"
 #include "core/signature.h"
 #include "core/transferdatasource.h"
 #include "core/transfergroup.h"
 #include "core/urlchecker.h"
 #include "core/verifier.h"
 
 #include <algorithm>
 
 #include <KConfigGroup>
 #include <KIO/DeleteJob>
 #include <KIO/RenameDialog>
 #include <KLocalizedString>
 #include <KMessageBox>
 #include <kwidgetsaddons_version.h>
 
 #include <QDebug>
 #include <QDialog>
 #include <QDomElement>
 #include <QFile>
 #include <QStandardPaths>
 
 Metalink::Metalink(TransferGroup *parent, TransferFactory *factory, Scheduler *scheduler, const QUrl &source, const QUrl &dest, const QDomElement *e)
     : Transfer(parent, factory, scheduler, source, dest, e)
     , m_fileModel(nullptr)
     , m_currentFiles(0)
     , m_metalinkJustDownloaded(false)
     , m_ready(false)
     , m_speedCount(0)
     , m_tempAverageSpeed(0)
     , m_averageSpeed(0)
 {
 }
 
 Metalink::~Metalink()
 {
 }
 
 void Metalink::start()
 {
     qCDebug(KGET_DEBUG) << "metalink::start";
 
     if (!m_ready) {
         if (m_localMetalinkLocation.isValid() && metalinkInit()) {
             startMetalink();
         } else {
             downloadMetalink();
         }
     } else {
         startMetalink();
     }
 }
 
 void Metalink::downloadMetalink()
 {
     m_metalinkJustDownloaded = true;
 
     setStatus(Job::Stopped, i18n("Downloading Metalink File...."), "document-save");
     setTransferChange(Tc_Status, true);
     // make sure that the DataLocation directory exists (earlier this used to be handled by KStandardDirs)
     if (!QFileInfo::exists(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation))) {
         QDir().mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
     }
     Download *download =
         new Download(m_source, QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QStringLiteral("/metalinks/") + m_source.fileName());
     connect(download, SIGNAL(finishedSuccessfully(QUrl, QByteArray)), SLOT(metalinkInit(QUrl, QByteArray)));
 }
 
 bool Metalink::metalinkInit(const QUrl &src, const QByteArray &data)
 {
     qCDebug(KGET_DEBUG);
 
     if (!src.isEmpty()) {
         m_localMetalinkLocation = src;
     }
 
     // use the downloaded metalink-file data directly if possible
     if (!data.isEmpty()) {
         KGetMetalink::HandleMetalink::load(data, &m_metalink);
     }
 
     // try to parse the locally stored metalink-file
     if (!m_metalink.isValid() && m_localMetalinkLocation.isValid()) {
         KGetMetalink::HandleMetalink::load(m_localMetalinkLocation.toLocalFile(), &m_metalink);
     }
 
     if (!m_metalink.isValid()) {
         qCCritical(KGET_DEBUG) << "Unknown error when trying to load the .metalink-file. Metalink is not valid.";
         setStatus(Job::Aborted);
         setTransferChange(Tc_Status, true);
         return false;
     }
 
     // offers a dialog to download the newest version of a dynamic metalink
     if ((m_source.isLocalFile() || !m_metalinkJustDownloaded) && m_metalink.dynamic && (UrlChecker::checkSource(m_metalink.origin) == UrlChecker::NoError)) {
         if (KMessageBox::questionTwoActions(nullptr,
                                             i18n("A newer version of this Metalink might exist, do you want to download it?"),
                                             i18n("Redownload Metalink"),
                                             KGuiItem(i18nc("@action:button", "Download Again"), QStringLiteral("view-refresh")),
                                             KGuiItem(i18nc("@action:button", "Ignore"), QStringLiteral("dialog-cancel")))
             == KMessageBox::PrimaryAction) {
             m_localMetalinkLocation.clear();
             m_source = m_metalink.origin;
             downloadMetalink();
             return false;
         }
     }
 
     QList<KGetMetalink::File>::const_iterator it;
     QList<KGetMetalink::File>::const_iterator itEnd = m_metalink.files.files.constEnd();
     m_totalSize = 0;
     KIO::fileoffset_t segSize = 500 * 1024; // TODO use config here!
     const QUrl tempDest = QUrl(m_dest.directory());
     QUrl dest;
     for (it = m_metalink.files.files.constBegin(); it != itEnd; ++it) {
         dest = tempDest;
         dest.addPath((*it).name);
 
         QList<KGetMetalink::Url> urlList = (*it).resources.urls;
         // sort the urls according to their priority (highest first)
         std::sort(urlList.begin(), urlList.end(), [](const KGetMetalink::Url &a, const KGetMetalink::Url &b) {
             return b < a;
         });
 
         KIO::filesize_t fileSize = (*it).size;
         m_totalSize += fileSize;
 
         // create a DataSourceFactory for each separate file
         DataSourceFactory *dataFactory = new DataSourceFactory(this, dest, fileSize, segSize);
         dataFactory->setMaxMirrorsUsed(MetalinkSettings::mirrorsPerFile());
 
         // TODO compare available file size (<size>) with the sizes of the server while downloading?
 
         connect(dataFactory, SIGNAL(capabilitiesChanged()), this, SLOT(slotUpdateCapabilities()));
         connect(dataFactory, SIGNAL(dataSourceFactoryChange(Transfer::ChangesFlags)), this, SLOT(slotDataSourceFactoryChange(Transfer::ChangesFlags)));
         connect(dataFactory->verifier(), SIGNAL(verified(bool)), this, SLOT(slotVerified(bool)));
         connect(dataFactory->signature(), SIGNAL(verified(int)), this, SLOT(slotSignatureVerified()));
         connect(dataFactory, SIGNAL(log(QString, Transfer::LogLevel)), this, SLOT(setLog(QString, Transfer::LogLevel)));
 
         // add the DataSources
         for (int i = 0; i < urlList.size(); ++i) {
             const QUrl url = urlList[i].url;
             if (url.isValid()) {
                 dataFactory->addMirror(url, MetalinkSettings::connectionsPerUrl());
             }
         }
         // no datasource has been created, so remove the datasource factory
         if (dataFactory->mirrors().isEmpty()) {
             delete dataFactory;
         } else {
             dataFactory->verifier()->addChecksums((*it).verification.hashes);
             foreach (const KGetMetalink::Pieces &pieces, (*it).verification.pieces) {
                 dataFactory->verifier()->addPartialChecksums(pieces.type, pieces.length, pieces.hashes);
             }
 
             const QHash<QString, QString> signatures = (*it).verification.signatures;
             QHash<QString, QString>::const_iterator it;
             QHash<QString, QString>::const_iterator itEnd = signatures.constEnd();
             for (it = signatures.constBegin(); it != itEnd; ++it) {
                 if (it.key().toLower() == "pgp") {
                     dataFactory->signature()->setAsciiDetachedSignature(*it);
                 }
             }
 
             m_dataSourceFactory[dataFactory->dest()] = dataFactory;
         }
     }
 
     if ((m_metalink.files.files.size() == 1) && m_dataSourceFactory.size()) {
         m_dest = dest;
     }
 
     if (!m_dataSourceFactory.size()) {
         // TODO make this via log in the future + do not display the KMessageBox
         qCWarning(KGET_DEBUG) << "Download of" << m_source << "failed, no working URLs were found.";
         KMessageBox::error(nullptr, i18n("Download failed, no working URLs were found."), i18n("Error"));
         setStatus(Job::Aborted);
         setTransferChange(Tc_Status, true);
         return false;
     }
 
     m_ready = !m_dataSourceFactory.isEmpty();
     slotUpdateCapabilities();
 
     // the metalink-file has just been downloaded, so ask the user to choose the files that
     //  should be downloaded
     if (m_metalinkJustDownloaded) {
         QDialog *dialog = new FileSelectionDlg(fileModel());
         dialog->setAttribute(Qt::WA_DeleteOnClose);
         connect(dialog, SIGNAL(finished(int)), this, SLOT(fileDlgFinished(int)));
 
         dialog->show();
     }
 
     return true;
 }
 
 void Metalink::untickAllFiles()
 {
     for (int row = 0; row < fileModel()->rowCount(); ++row) {
         QModelIndex index = fileModel()->index(row, FileItem::File);
         if (index.isValid()) {
             fileModel()->setData(index, Qt::Unchecked, Qt::CheckStateRole);
         }
     }
 }
 
 void Metalink::fileDlgFinished(int result)
 {
     // the dialog was not accepted untick every file, this ensures that the user does not
     // press start by accident without first selecting the desired files
     if (result != QDialog::Accepted) {
         untickAllFiles();
     }
 
     filesSelected();
 
     // no files selected to download or dialog rejected, stop the download
     if (!m_numFilesSelected || (result != QDialog::Accepted)) {
         setStatus(Job::Stopped);
         setTransferChange(Tc_Status, true);
         return;
     }
 
     startMetalink();
 }
 
 void Metalink::startMetalink()
 {
     if (m_ready) {
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             // specified number of files is downloaded simultaneously
             if (m_currentFiles < MetalinkSettings::simultaneousFiles()) {
                 const int status = factory->status();
                 // only start factories that should be downloaded
                 if (factory->doDownload() && (status != Job::Finished) && (status != Job::FinishedKeepAlive) && (status != Job::Running)) {
                     ++m_currentFiles;
                     factory->start();
                 }
             } else {
                 break;
             }
         }
     }
 }
 
 void Metalink::deinit(Transfer::DeleteOptions options)
 {
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         if (options & Transfer::DeleteFiles) {
             factory->deinit();
         }
     } // TODO: Ask the user if he/she wants to delete the *.part-file? To discuss (boom1992)
 
     // FIXME does that mean, that the metalink file is always removed, even if
     // downloaded by the user?
     if ((options & Transfer::DeleteTemporaryFiles) && m_localMetalinkLocation.isLocalFile()) {
         KIO::Job *del = KIO::del(m_localMetalinkLocation, KIO::HideProgressInfo);
         if (!del->exec()) {
             qCDebug(KGET_DEBUG) << "Could not delete " << m_localMetalinkLocation.path();
         }
     }
 }
 
 void Metalink::stop()
 {
     qCDebug(KGET_DEBUG) << "metalink::Stop";
     if (m_ready && status() != Stopped) {
         m_currentFiles = 0;
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             factory->stop();
         }
     }
 }
 
 void Metalink::slotDataSourceFactoryChange(Transfer::ChangesFlags change)
 {
     if ((change & Tc_Status) | (change & Tc_TotalSize)) {
         DataSourceFactory *factory = qobject_cast<DataSourceFactory *>(sender());
         if (change & Tc_Status) {
             bool changeStatus;
             updateStatus(factory, &changeStatus);
             if (!changeStatus) {
                 change &= ~Tc_Status;
             }
         }
         if (change & Tc_TotalSize) {
             recalculateTotalSize(factory);
         }
     }
     if (change & Tc_DownloadedSize) {
         recalculateProcessedSize();
         change |= Tc_Percent;
     }
     if (change & Tc_DownloadSpeed) {
         recalculateSpeed();
     }
 
     setTransferChange(change, true);
 }
 
 void Metalink::recalculateTotalSize(DataSourceFactory *sender)
 {
     m_totalSize = 0;
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         if (factory->doDownload()) {
             m_totalSize += factory->size();
         }
     }
 
     if (m_fileModel) {
         if (sender) {
             QModelIndex sizeIndex = m_fileModel->index(sender->dest(), FileItem::Size);
             m_fileModel->setData(sizeIndex, static_cast<qlonglong>(sender->size()));
         }
     }
 }
 
 void Metalink::recalculateProcessedSize()
 {
     m_downloadedSize = 0;
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         if (factory->doDownload()) {
             m_downloadedSize += factory->downloadedSize();
         }
     }
 
     if (m_totalSize) {
         m_percent = (m_downloadedSize * 100) / m_totalSize;
     } else {
         m_percent = 0;
     }
 }
 
 void Metalink::recalculateSpeed()
 {
     m_downloadSpeed = 0;
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         if (factory->doDownload()) {
             m_downloadSpeed += factory->currentSpeed();
         }
     }
 
     // calculate the average of the last three speeds
     m_tempAverageSpeed += m_downloadSpeed;
     ++m_speedCount;
     if (m_speedCount == 3) {
         m_averageSpeed = m_tempAverageSpeed / 3;
         m_speedCount = 0;
         m_tempAverageSpeed = 0;
     }
 }
 
 int Metalink::remainingTime() const
 {
     if (!m_averageSpeed) {
         m_averageSpeed = m_downloadSpeed;
     }
     return KIO::calculateRemainingSeconds(m_totalSize, m_downloadedSize, m_averageSpeed);
 }
 
 void Metalink::updateStatus(DataSourceFactory *sender, bool *changeStatus)
 {
     Job::Status status = (sender ? sender->status() : Job::Stopped);
     *changeStatus = true;
     switch (status) {
     case Job::Aborted:
     case Job::Stopped: {
         m_currentFiles = 0;
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             // one factory is still running, do not change the status
             if (factory->doDownload() && (factory->status() == Job::Running)) {
                 *changeStatus = false;
                 ++m_currentFiles;
             }
         }
 
         if (*changeStatus) {
             setStatus(status);
         }
         break;
     }
     case Job::Finished:
         // one file that has been downloaded now is finished//FIXME ignore downloads that were finished in the previous download!!!!
         if (m_currentFiles) {
             --m_currentFiles;
             startMetalink();
         }
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             // one factory is not finished, do not change the status
             if (factory->doDownload() && (factory->status() != Job::Finished)) {
                 *changeStatus = false;
                 break;
             }
         }
 
         if (*changeStatus) {
             setStatus(Job::Finished);
         }
         break;
 
     default:
         setStatus(status);
         break;
     }
 
     if (m_fileModel) {
         if (sender) {
             QModelIndex statusIndex = m_fileModel->index(sender->dest(), FileItem::Status);
             m_fileModel->setData(statusIndex, status);
         }
     }
 }
 
 void Metalink::slotVerified(bool isVerified)
 {
     Q_UNUSED(isVerified)
 
     if (status() == Job::Finished) {
         // see if some files are NotVerified
         QStringList brokenFiles;
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             if (m_fileModel) {
                 QModelIndex checksumVerified = m_fileModel->index(factory->dest(), FileItem::ChecksumVerified);
                 m_fileModel->setData(checksumVerified, factory->verifier()->status());
             }
             if (factory->doDownload() && (factory->verifier()->status() == Verifier::NotVerified)) {
                 brokenFiles.append(factory->dest().pathOrUrl());
             }
         }
 
         if (brokenFiles.count()) {
             if (KMessageBox::warningTwoActionsList(
                     nullptr,
                     i18n("The download could not be verified, do you want to repair (if repairing does not work the download would be restarted) it?"),
                     brokenFiles,
                     QString(),
                     KGuiItem(i18nc("@action:button", "Repair")),
                     KGuiItem(i18nc("@action:button", "Ignore"), QStringLiteral("dialog-cancel")))
                 == KMessageBox::PrimaryAction) {
                 if (repair()) {
                     return;
                 }
             }
         }
     }
 }
 
 void Metalink::slotSignatureVerified()
 {
     if (status() == Job::Finished) {
         // see if some files are NotVerified
         QStringList brokenFiles;
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             if (m_fileModel) {
                 QModelIndex signatureVerified = m_fileModel->index(factory->dest(), FileItem::SignatureVerified);
                 m_fileModel->setData(signatureVerified, factory->signature()->status());
             }
             if (factory->doDownload() && (factory->verifier()->status() == Verifier::NotVerified)) {
                 brokenFiles.append(factory->dest().pathOrUrl());
             }
         }
         /*
                 if (brokenFiles.count())//TODO
                 {
                     if (KMessageBox::warningYesNoCancelList(nullptr,
                         i18n("The download could not be verified, try to repair it?"),
                              brokenFiles) == KMessageBox::Yes)
                     {
                         if (repair())
                         {
                             return;
                         }
                     }
                 }*/
     }
 }
 
 bool Metalink::repair(const QUrl &file)
 {
     if (file.isValid()) {
         if (m_dataSourceFactory.contains(file)) {
             DataSourceFactory *broken = m_dataSourceFactory[file];
             if (broken->verifier()->status() == Verifier::NotVerified) {
                 broken->repair();
                 return true;
             }
         }
     } else {
         QList<DataSourceFactory *> broken;
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             if (factory->doDownload() && (factory->verifier()->status() == Verifier::NotVerified)) {
                 broken.append(factory);
             }
         }
         if (broken.count()) {
             foreach (DataSourceFactory *factory, broken) {
                 factory->repair();
             }
             return true;
         }
     }
 
     return false;
 }
 
 void Metalink::load(const QDomElement *element)
 {
     Transfer::load(element);
 
     if (!element) {
         return;
     }
 
     const QDomElement e = *element;
     m_localMetalinkLocation = QUrl(e.attribute("LocalMetalinkLocation"));
     QDomNodeList factories = e.firstChildElement("factories").elementsByTagName("factory");
 
     // no stored information found, stop right here
     if (!factories.count()) {
         return;
     }
 
     while (factories.count()) {
         QDomDocument doc;
         QDomElement factory = doc.createElement("factories");
         factory.appendChild(factories.item(0).toElement());
         doc.appendChild(factory);
 
         DataSourceFactory *file = new DataSourceFactory(this);
         file->load(&factory);
         connect(file, SIGNAL(capabilitiesChanged()), this, SLOT(slotUpdateCapabilities()));
         connect(file, SIGNAL(dataSourceFactoryChange(Transfer::ChangesFlags)), this, SLOT(slotDataSourceFactoryChange(Transfer::ChangesFlags)));
         m_dataSourceFactory[file->dest()] = file;
         connect(file->verifier(), SIGNAL(verified(bool)), this, SLOT(slotVerified(bool)));
         connect(file->signature(), SIGNAL(verified(int)), this, SLOT(slotSignatureVerified()));
         connect(file, SIGNAL(log(QString, Transfer::LogLevel)), this, SLOT(setLog(QString, Transfer::LogLevel)));
 
         // start the DataSourceFactories that were Started when KGet was closed
         if (file->status() == Job::Running) {
             if (m_currentFiles < MetalinkSettings::simultaneousFiles()) {
                 ++m_currentFiles;
                 file->start();
             } else {
                 // enough simultaneous files already, so increase the number and set file to stop --> that will decrease the number again
                 file->stop();
             }
         }
     }
     m_ready = !m_dataSourceFactory.isEmpty();
     slotUpdateCapabilities();
 }
 
 void Metalink::save(const QDomElement &element)
 {
     Transfer::save(element);
 
     QDomElement e = element;
     e.setAttribute("LocalMetalinkLocation", m_localMetalinkLocation.url());
 
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         factory->save(e);
     }
 }
 
 Verifier *Metalink::verifier(const QUrl &file)
 {
     if (!m_dataSourceFactory.contains(file)) {
         return nullptr;
     }
 
     return m_dataSourceFactory[file]->verifier();
 }
 
 Signature *Metalink::signature(const QUrl &file)
 {
     if (!m_dataSourceFactory.contains(file)) {
         return nullptr;
     }
 
     return m_dataSourceFactory[file]->signature();
 }
 
 QList<QUrl> Metalink::files() const
 {
     return m_dataSourceFactory.keys();
 }
 
 FileModel *Metalink::fileModel()
 {
     if (!m_fileModel) {
         m_fileModel = new FileModel(files(), directory(), this);
         connect(m_fileModel, SIGNAL(rename(QUrl, QUrl)), this, SLOT(slotRename(QUrl, QUrl)));
         connect(m_fileModel, SIGNAL(checkStateChanged()), this, SLOT(filesSelected()));
 
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             const QUrl dest = factory->dest();
             QModelIndex size = m_fileModel->index(dest, FileItem::Size);
             m_fileModel->setData(size, static_cast<qlonglong>(factory->size()));
             QModelIndex status = m_fileModel->index(dest, FileItem::Status);
             m_fileModel->setData(status, factory->status());
             QModelIndex checksumVerified = m_fileModel->index(dest, FileItem::ChecksumVerified);
             m_fileModel->setData(checksumVerified, factory->verifier()->status());
             QModelIndex signatureVerified = m_fileModel->index(dest, FileItem::SignatureVerified);
             m_fileModel->setData(signatureVerified, factory->signature()->status());
             if (!factory->doDownload()) {
                 QModelIndex index = m_fileModel->index(factory->dest(), FileItem::File);
                 m_fileModel->setData(index, Qt::Unchecked, Qt::CheckStateRole);
             }
         }
     }
 
     return m_fileModel;
 }
 
 void Metalink::filesSelected()
 {
     bool overwriteAll = false;
     bool autoSkip = false;
     bool cancel = false;
     QModelIndexList files = fileModel()->fileIndexes(FileItem::File);
     m_numFilesSelected = 0;
 
     // sets the CheckState of the fileModel to the according DataSourceFactories
     // and asks the user if there are existing files already
     foreach (const QModelIndex &index, files) {
         const QUrl dest = fileModel()->getUrl(index);
         bool doDownload = index.data(Qt::CheckStateRole).toBool();
         if (m_dataSourceFactory.contains(dest)) {
             DataSourceFactory *factory = m_dataSourceFactory[dest];
             // ignore finished transfers
             if ((factory->status() == Job::Finished) || (factory->status() == Job::FinishedKeepAlive)) {
                 continue;
             }
 
             // check if the file at dest exists already and ask the user what to do in this case, ignore already running transfers
             if (doDownload && (factory->status() != Job::Running) && QFile::exists(dest.toLocalFile())) {
                 // user has chosen to skip all files that exist already before
                 if (autoSkip) {
                     fileModel()->setData(index, Qt::Unchecked, Qt::CheckStateRole);
                     doDownload = false;
                     // ask the user, unless he has chosen overwriteAll before
                 } else if (!overwriteAll) {
                     KIO::RenameDialog dlg(nullptr,
                                           i18n("File already exists"),
                                           index.data().toString(),
                                           dest,
                                           KIO::RenameDialog_Options(KIO::RenameDialog_MultipleItems | KIO::RenameDialog_Overwrite | KIO::RenameDialog_Skip));
                     const int result = dlg.exec();
 
                     if (result == KIO::Result_Rename) {
                         // no reason to use FileModel::rename() since the file does not exist yet, so simply skip it
                         // avoids having to deal with signals
                         const QUrl newDest = dlg.newDestUrl();
                         factory->setDoDownload(doDownload);
                         factory->setNewDestination(newDest);
                         fileModel()->setData(index, newDest.fileName(), FileItem::File);
                         ++m_numFilesSelected;
 
                         m_dataSourceFactory.remove(dest);
                         m_dataSourceFactory[newDest] = factory;
                         continue;
                     } else if (result == KIO::Result_Skip) {
                         fileModel()->setData(index, Qt::Unchecked, Qt::CheckStateRole);
                         doDownload = false;
                     } else if (result == KIO::Result_Cancel) {
                         cancel = true;
                         break;
                     } else if (result == KIO:Result_AutoSkip:) {
                         autoSkip = true;
                         fileModel()->setData(index, Qt::Unchecked, Qt::CheckStateRole);
                         doDownload = false;
                     } else if (result == KIO::Result_OverwriteAll) {
                         overwriteAll = true;
                     }
                 }
             }
 
             factory->setDoDownload(doDownload);
             if (doDownload && (factory->status() != Finished) && (factory->status() != FinishedKeepAlive)) {
                 ++m_numFilesSelected;
             }
         }
     }
 
     // the user decided to cancel, so untick all files
     if (cancel) {
         m_numFilesSelected = 0;
         untickAllFiles();
         foreach (DataSourceFactory *factory, m_dataSourceFactory) {
             factory->setDoDownload(false);
         }
     }
 
     Transfer::ChangesFlags change = (Tc_TotalSize | Tc_DownloadSpeed);
     // some files have been selected that are not finished yet, set them to stop if the transfer is not running (checked in slotStatus)
     if (m_numFilesSelected) {
         change |= Tc_Status;
     }
     slotDataSourceFactoryChange(change);
 }
 
 void Metalink::slotRename(const QUrl &oldUrl, const QUrl &newUrl)
 {
     if (!m_dataSourceFactory.contains(oldUrl)) {
         return;
     }
 
     m_dataSourceFactory[newUrl] = m_dataSourceFactory[oldUrl];
     m_dataSourceFactory.remove(oldUrl);
     m_dataSourceFactory[newUrl]->setNewDestination(newUrl);
 
     setTransferChange(Tc_FileName);
 }
 
 bool Metalink::setDirectory(const QUrl &new_directory)
 {
     if (new_directory == directory()) {
         return false;
     }
 
     if (m_fileModel) {
         m_fileModel->setDirectory(new_directory);
     }
 
     const QString oldDirectory = directory().pathOrUrl(QUrl::AddTrailingSlash);
     const QString newDirectory = new_directory.pathOrUrl(QUrl::AddTrailingSlash);
     const QString fileName = m_dest.fileName();
     m_dest = new_directory;
     m_dest.addPath(fileName);
 
     QHash<QUrl, DataSourceFactory *> newStorage;
     foreach (DataSourceFactory *factory, m_dataSourceFactory) {
         const QUrl oldUrl = factory->dest();
         const QUrl newUrl = QUrl(oldUrl.pathOrUrl().replace(oldDirectory, newDirectory));
         factory->setNewDestination(newUrl);
         newStorage[newUrl] = factory;
     }
     m_dataSourceFactory = newStorage;
 
     setTransferChange(Tc_FileName);
     return true;
 }
 
 QHash<QUrl, QPair<bool, int>> Metalink::availableMirrors(const QUrl &file) const
 {
     QHash<QUrl, QPair<bool, int>> urls;
 
     if (m_dataSourceFactory.contains(file)) {
         urls = m_dataSourceFactory[file]->mirrors();
     }
 
     return urls;
 }
 
 void Metalink::setAvailableMirrors(const QUrl &file, const QHash<QUrl, QPair<bool, int>> &mirrors)
 {
     if (!m_dataSourceFactory.contains(file)) {
         return;
     }
 
     m_dataSourceFactory[file]->setMirrors(mirrors);
 }
 
 void Metalink::slotUpdateCapabilities()
 {
     Capabilities oldCap = capabilities();
     Capabilities newCap = 0;
     foreach (DataSourceFactory *file, m_dataSourceFactory) {
         if (file->doDownload()) { // FIXME when a download did not start yet it should be moveable!!//FIXME why not working, when only two connections?
             if (newCap) {
                 newCap &= file->capabilities();
             } else {
                 newCap = file->capabilities();
             }
         }
     }
 
     if (newCap != oldCap) {
         setCapabilities(newCap);
     }
 }
 
 #include "moc_metalink.cpp"