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68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/**
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* This file is part of the KDE project
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* Copyright (C) 2013 Valentin Rusu <kde@rusu.info>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef BACKENDPERSISTHANDLER_H
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#define BACKENDPERSISTHANDLER_H
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#define KWMAGIC_LEN 12
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#include <qwindowdefs.h>
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#include <QFile>
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class KSaveFile;
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namespace KWallet {
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class Backend;
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enum BackendCipherType {
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BACKEND_CIPHER_UNKNOWN, /// this is used by freshly allocated wallets
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BACKEND_CIPHER_BLOWFISH, /// use the legacy blowfish cipher type
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};
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class BackendPersistHandler {
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protected:
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BackendPersistHandler() {}
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public:
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virtual ~BackendPersistHandler() {}
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/**
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* This is a factory method used to get an instance of the backend suitable
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* for reading/writing using the given cipher type
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*
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* @param cypherType indication of the backend that should be returned
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* @return a pointer to an instance of the requested handler type. No need to delete this pointer, it's lifetime is taken care of by this factory
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*/
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static BackendPersistHandler *getPersistHandler(BackendCipherType cipherType);
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static BackendPersistHandler *getPersistHandler(char magicBuf[KWMAGIC_LEN]);
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virtual int write(Backend* wb, KSaveFile& sf, QByteArray& version, WId w) =0;
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virtual int read(Backend* wb, QFile& sf, WId w) =0;
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};
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class BlowfishPersistHandler : public BackendPersistHandler {
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public:
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explicit BlowfishPersistHandler() {}
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virtual ~BlowfishPersistHandler() {}
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virtual int write(Backend* wb, KSaveFile& sf, QByteArray& version, WId w);
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virtual int read(Backend* wb, QFile& sf, WId w);
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};
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} // namespace
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#endif // BACKENDPERSISTHANDLER_H
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