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/***************************************************************************
* Copyright (C) 2016-2021 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* 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. *
* *
* 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QRegularExpression>
#include <QMessageBox>
#include <archive.h>
#include <archive_entry.h>
#include "decoder_archive.h"
#include "archivetagreader.h"
#include "archiveinputdevice.h"
#include "decoderarchivefactory.h"
// DecoderArchiveFactory
bool DecoderArchiveFactory::canDecode(QIODevice *) const
{
return false;
}
DecoderProperties DecoderArchiveFactory::properties() const
{
DecoderProperties properties;
properties.name = tr("Archive Plugin");
properties.filters = QStringList { "*.rar", "*.zip" };
properties.description = tr("Archives");
properties.contentTypes = QStringList { "application/zip", "application/x-rar-compressed" };
properties.shortName = "archive";
properties.hasAbout = true;
properties.hasSettings = false;
properties.noInput = true;
properties.protocols = QStringList { "rar", "zip" };
return properties;
}
Decoder *DecoderArchiveFactory::create(const QString &url, QIODevice *)
{
return new DecoderArchive(url);
}
QList<TrackInfo *> DecoderArchiveFactory::createPlayList(const QString &path, TrackInfo::Parts parts, QStringList *)
{
QList<TrackInfo *> list;
struct archive_entry *entry = nullptr;
struct archive *a = archive_read_new();
archive_read_support_filter_all(a);
archive_read_support_format_all(a);
QString archivePath, requiredFilePath;
if(path.contains("://"))
{
requiredFilePath = path.section("#", -1);
archivePath = path;
archivePath.remove(QRegularExpression("^.+://"));
archivePath.remove(QRegularExpression("#.+$"));
}
else
{
archivePath = path;
}
if(archive_read_open_filename(a, archivePath.toLocal8Bit().constData(), 10240) != ARCHIVE_OK)
{
qWarning("DecoderArchiveFactory: unable to open archive; libarchive error: %s", archive_error_string(a));
return list;
}
while (archive_read_next_header(a, &entry) == ARCHIVE_OK)
{
if(archive_read_has_encrypted_entries(a) == 1) //skip encrypted archives
{
qDeleteAll(list);
list.clear();
archive_read_free(a);
return list;
}
if(archive_entry_filetype(entry) == AE_IFREG)
{
QString filePath = QString::fromLocal8Bit(archive_entry_pathname(entry));
if(!filePath.startsWith("/"))
filePath.prepend("/");
if(!requiredFilePath.isEmpty() && filePath != requiredFilePath)
{
archive_read_data_skip(a);
continue;
}
//is this file supported by qmmp?
QList<DecoderFactory *> filtered;
for(DecoderFactory *f : Decoder::findByFileExtension(filePath))
{
if(!f->properties().noInput)
filtered << f; //add all factories with streaming input
}
if(!filtered.isEmpty())
{
list << new TrackInfo(QString("%1://%2#%3")
.arg(archivePath.section(".", -1)).toLower()
.arg(archivePath)
.arg(filePath));
ArchiveInputDevice dev(a, entry, nullptr);
ArchiveTagReader reader(&dev, list.last()->path());
if(!dev.isOpen())
{
qDeleteAll(list);
list.clear();
archive_read_free(a);
return list;
}
if(parts & TrackInfo::MetaData)
list.last()->setValues(reader.metaData());
TagLib::AudioProperties *ap = reader.audioProperties();
if((parts & TrackInfo::Properties) && ap)
{
list.last()->setValue(Qmmp::BITRATE, ap->bitrate());
list.last()->setValue(Qmmp::SAMPLERATE, ap->sampleRate());
list.last()->setValue(Qmmp::CHANNELS, ap->channels());
list.last()->setValue(Qmmp::FILE_SIZE, dev.size());
}
if(ap)
list.last()->setDuration(reader.audioProperties()->lengthInMilliseconds());
}
}
archive_read_data_skip(a);
}
archive_read_free(a);
return list;
}
MetaDataModel* DecoderArchiveFactory::createMetaDataModel(const QString &path, bool readOnly)
{
Q_UNUSED(path);
Q_UNUSED(readOnly);
return nullptr;
}
void DecoderArchiveFactory::showSettings(QWidget *)
{}
void DecoderArchiveFactory::showAbout(QWidget *parent)
{
QMessageBox::about (parent, tr("About Archive Reader Plugin"),
tr("Qmmp Archive Reader Plugin")+"\n"+
tr("Compiled against %1").arg(ARCHIVE_VERSION_STRING)+"\n" +
tr("Written by: Ilya Kotov <forkotov02@ya.ru>"));
}
QString DecoderArchiveFactory::translation() const
{
return QLatin1String(":/archive_plugin_");
}
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