mirror of
https://github.com/nextcloud/desktop.git
synced 2024-10-27 23:17:13 +03:00
fa69d089cf
Added in previous commit from pull request #4663 As discussed, we do not need this option so no need to introduce a new dependency on the config file in the sync engine
139 lines
3.7 KiB
C++
139 lines
3.7 KiB
C++
/*
|
|
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "owncloudlib.h"
|
|
#include "accountfwd.h"
|
|
|
|
#include <QObject>
|
|
#include <QByteArray>
|
|
#include <QFutureWatcher>
|
|
|
|
namespace OCC {
|
|
|
|
class SyncJournalDb;
|
|
|
|
/// Creates a checksum header from type and value.
|
|
QByteArray makeChecksumHeader(const QByteArray& checksumType, const QByteArray& checksum);
|
|
|
|
/// Parses a checksum header
|
|
bool parseChecksumHeader(const QByteArray& header, QByteArray* type, QByteArray* checksum);
|
|
|
|
/// Checks OWNCLOUD_DISABLE_CHECKSUM_UPLOAD
|
|
bool uploadChecksumEnabled();
|
|
|
|
/// Checks OWNCLOUD_CONTENT_CHECKSUM_TYPE (default: SHA1)
|
|
QByteArray contentChecksumType();
|
|
|
|
|
|
/**
|
|
* Computes the checksum of a file.
|
|
* \ingroup libsync
|
|
*/
|
|
class OWNCLOUDSYNC_EXPORT ComputeChecksum : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
explicit ComputeChecksum(QObject* parent = 0);
|
|
|
|
/**
|
|
* Sets the checksum type to be used. The default is empty.
|
|
*/
|
|
void setChecksumType(const QByteArray& type);
|
|
|
|
QByteArray checksumType() const;
|
|
|
|
/**
|
|
* Computes the checksum for the given file path.
|
|
*
|
|
* done() is emitted when the calculation finishes.
|
|
*/
|
|
void start(const QString& filePath);
|
|
|
|
/**
|
|
* Computes the checksum synchronously.
|
|
*/
|
|
static QByteArray computeNow(const QString& filePath, const QByteArray& checksumType);
|
|
|
|
signals:
|
|
void done(const QByteArray& checksumType, const QByteArray& checksum);
|
|
|
|
private slots:
|
|
void slotCalculationDone();
|
|
|
|
private:
|
|
QByteArray _checksumType;
|
|
|
|
// watcher for the checksum calculation thread
|
|
QFutureWatcher<QByteArray> _watcher;
|
|
};
|
|
|
|
/**
|
|
* Checks whether a file's checksum matches the expected value.
|
|
* @ingroup libsync
|
|
*/
|
|
class OWNCLOUDSYNC_EXPORT ValidateChecksumHeader : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
explicit ValidateChecksumHeader(QObject *parent = 0);
|
|
|
|
/**
|
|
* Check a file's actual checksum against the provided checksumHeader
|
|
*
|
|
* If no checksum is there, or if a correct checksum is there, the signal validated()
|
|
* will be emitted. In case of any kind of error, the signal validationFailed() will
|
|
* be emitted.
|
|
*/
|
|
void start(const QString& filePath, const QByteArray& checksumHeader);
|
|
|
|
signals:
|
|
void validated(const QByteArray& checksumType, const QByteArray& checksum);
|
|
void validationFailed( const QString& errMsg );
|
|
|
|
private slots:
|
|
void slotChecksumCalculated(const QByteArray& checksumType, const QByteArray& checksum);
|
|
|
|
private:
|
|
QByteArray _expectedChecksumType;
|
|
QByteArray _expectedChecksum;
|
|
};
|
|
|
|
/**
|
|
* Hooks checksum computations into csync.
|
|
* @ingroup libsync
|
|
*/
|
|
class OWNCLOUDSYNC_EXPORT CSyncChecksumHook : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
explicit CSyncChecksumHook(SyncJournalDb* journal);
|
|
|
|
/**
|
|
* Returns the checksum value for \a path for the given \a checksumTypeId.
|
|
*
|
|
* Called from csync, where a instance of CSyncChecksumHook has
|
|
* to be set as userdata.
|
|
* The return value will be owned by csync.
|
|
*/
|
|
static const char* hook(const char* path, uint32_t checksumTypeId, void* this_obj);
|
|
|
|
QByteArray compute(const QString& path, int checksumTypeId);
|
|
|
|
private:
|
|
SyncJournalDb* _journal;
|
|
};
|
|
|
|
}
|