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/*
* This file Copyright (C) 2012-2016 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#include <QFile>
#include <QDir>
#include <libtransmission/transmission.h>
#include <libtransmission/crypto-utils.h> // tr_base64_encode()
#include "AddData.h"
#include "Utils.h"
int AddData::set(QString const& key)
{
if (Utils::isMagnetLink(key))
{
magnet = key;
type = MAGNET;
}
else if (Utils::isUriWithSupportedScheme(key))
{
url = key;
type = URL;
}
else if (QFile(key).exists())
{
filename = QDir::fromNativeSeparators(key);
type = FILENAME;
QFile file(key);
file.open(QIODevice::ReadOnly);
metainfo = file.readAll();
file.close();
}
else if (Utils::isHexHashcode(key))
{
magnet = QString::fromUtf8("magnet:?xt=urn:btih:") + key;
type = MAGNET;
}
else
{
size_t len;
void* raw = tr_base64_decode(key.toUtf8().constData(), key.toUtf8().size(), &len);
if (raw != nullptr)
{
metainfo.append(static_cast<char const*>(raw), int(len));
tr_free(raw);
type = METAINFO;
}
else
{
type = NONE;
}
}
return type;
}
QByteArray AddData::toBase64() const
{
QByteArray ret;
if (!metainfo.isEmpty())
{
size_t len;
void* b64 = tr_base64_encode(metainfo.constData(), metainfo.size(), &len);
ret = QByteArray(static_cast<char const*>(b64), int(len));
tr_free(b64);
}
return ret;
}
QString AddData::readableName() const
{
QString ret;
switch (type)
{
case FILENAME:
ret = filename;
break;
case MAGNET:
ret = magnet;
break;
case URL:
ret = url.toString();
break;
case METAINFO:
{
tr_info inf;
tr_ctor* ctor = tr_ctorNew(nullptr);
tr_ctorSetMetainfo(ctor, reinterpret_cast<quint8 const*>(metainfo.constData()), metainfo.size());
if (tr_torrentParse(ctor, &inf) == TR_PARSE_OK)
{
ret = QString::fromUtf8(inf.name); // metainfo is required to be UTF-8
tr_metainfoFree(&inf);
}
tr_ctorFree(ctor);
break;
}
}
return ret;
}
QString AddData::readableShortName() const
{
switch (type)
{
case FILENAME:
return QFileInfo(filename).fileName();
case URL:
return url.path().split(QLatin1Char('/')).last();
default:
return readableName();
}
}
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