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transmission/qt/AddData.cc
Charles Kerr 0b095dc258
fix: sonarcloud warnings (#2350)
* fix: use-init-statement sonarcloud warning

* fix: use-init-statement sonarcloud warning

* fix: conversion-loses-precision sonarcloud warning

* fix: use std::string_view::npos sonarcoud warning

* fix: refactor code to not nest more than 3x sonarcloud warning

* fix: conversion-loses-precision sonarcloud warning

* fix: use init-statement sonarcloud warning

* fix: global variables should be const sonarcloud warning

* fix: conversion-loses-precision sonarcloud warning

* refactor: reduce complexity in doScrape()
2021-12-26 18:32:36 -06:00

134 lines
2.6 KiB
C++

/*
* 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 <QDir>
#include <QFile>
#include <libtransmission/transmission.h>
#include <libtransmission/crypto-utils.h> // tr_base64_encode()
#include <libtransmission/torrent-metainfo.h>
#include <libtransmission/utils.h>
#include <libtransmission/error.h>
#include "AddData.h"
#include "Utils.h"
namespace
{
QString getNameFromMetainfo(QByteArray const& benc)
{
auto metainfo = tr_torrent_metainfo{};
if (!metainfo.parseBenc({ benc.constData(), size_t(benc.size()) }))
{
return {};
}
return QString::fromStdString(metainfo.name());
}
} // namespace
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 = QStringLiteral("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
{
switch (type)
{
case FILENAME:
return filename;
case MAGNET:
return magnet;
case URL:
return url.toString();
case METAINFO:
return getNameFromMetainfo(metainfo);
default: // NONE
return {};
}
}
QString AddData::readableShortName() const
{
switch (type)
{
case FILENAME:
return QFileInfo(filename).baseName();
case URL:
return url.path().split(QLatin1Char('/')).last();
default:
return readableName();
}
}