65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2018 Huzaifa Faruqui <huzaifafaruqui@gmail.com>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef KPMCORE_COPYSOURCESHRED_H
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#define KPMCORE_COPYSOURCESHRED_H
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#include "core/copysource.h"
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#include <QFile>
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class CopyTarget;
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class QString;
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/** A source for securely overwriting a partition (shredding).
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Represents a source of data (random or zeros) to copy from. Used to securely overwrite data on disk.
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@author Volker Lanz <vl@fidra.de>
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*/
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class CopySourceShred : public CopySource
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{
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public:
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CopySourceShred(qint64 size, bool randomShred);
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public:
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bool open() override;
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qint64 length() const override;
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bool overlaps(const CopyTarget&) const override {
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return false; /**< @return false for shred source */
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}
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qint64 firstByte() const override {
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return 0; /**< @return 0 for shred source */
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}
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qint64 lastByte() const override {
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return length(); /**< @return equal to length for shred source. @see length() */
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}
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QString path() const override {
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return m_SourceFile.fileName();
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}
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protected:
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QFile& sourceFile() {
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return m_SourceFile;
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}
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const QFile& sourceFile() const {
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return m_SourceFile;
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}
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qint64 size() const {
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return m_Size;
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}
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private:
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qint64 m_Size;
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QFile m_SourceFile;
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};
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#endif
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