/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2016  Alexandr Milovantsev <dzmat@yandex.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.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

#ifndef BASE_UTILS_NET_H
#define BASE_UTILS_NET_H

#include <QHostAddress>
#include <QList>
#include <QPair>
#include <QVector>

class QSslCertificate;
class QSslKey;
class QString;

namespace Utils
{
    namespace Net
    {
        using Subnet = QPair<QHostAddress, int>;

        bool isValidIP(const QString &ip);
        Subnet parseSubnet(const QString &subnetStr, bool *ok = nullptr);
        bool canParseSubnet(const QString &subnetStr);
        bool isLoopbackAddress(const QHostAddress &addr);
        bool isIPInRange(const QHostAddress &addr, const QVector<Subnet> &subnets);
        QString subnetToString(const Subnet &subnet);
        QHostAddress canonicalIPv6Addr(const QHostAddress &addr);

        const int MAX_SSL_FILE_SIZE = 1024 * 1024;
        QList<QSslCertificate> loadSSLCertificate(const QByteArray &data);
        bool isSSLCertificatesValid(const QByteArray &data);
        QSslKey loadSSLKey(const QByteArray &data);
        bool isSSLKeyValid(const QByteArray &data);
    }
}

#endif // BASE_UTILS_NET_H