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qTox/updater/update.h

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/*
Copyright © 2014 by The qTox Project
This file is part of qTox, a Qt-based graphical interface for Tox.
qTox is libre 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 3 of the License, or
(at your option) any later version.
qTox 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 qTox. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef UPDATE_H
#define UPDATE_H
#include <QByteArray>
#include <QString>
#include <sodium.h>
struct UpdateFileMeta
{
unsigned char sig[crypto_sign_BYTES]; ///< Signature of the file (ed25519)
QString id; ///< Unique id of the file
QString installpath; ///< Local path including the file name. May be relative to qtox-updater or absolute
uint64_t size; ///< Size in bytes of the file
bool operator==(const UpdateFileMeta& other)
{
return (size == other.size
&& id == other.id && installpath == other.installpath
&& memcmp(sig, other.sig, crypto_sign_BYTES) == 0);
}
};
struct UpdateFile
{
UpdateFileMeta metadata;
QByteArray data;
};
/// Gets the local flist. Returns an empty array on error
QByteArray getLocalFlist();
/// Parses and validates a flist file. Returns an empty list on error
QList<UpdateFileMeta> parseFlist(QByteArray flistData);
/// Generates a list of files we need to update
QList<UpdateFileMeta> genUpdateDiff(QList<UpdateFileMeta> updateFlist);
extern unsigned char key[crypto_sign_PUBLICKEYBYTES];
#endif // UPDATE_H