File indexing completed on 2024-06-23 03:58:17

 /*
     This file is part of the KDE project
     SPDX-FileCopyrightText: 2013 Valentin Rusu <kde@rusu.info>
 
     SPDX-License-Identifier: LGPL-2.0-only
 */
 
 #ifndef BACKENDPERSISTHANDLER_H
 #define BACKENDPERSISTHANDLER_H
 
 #define KWMAGIC_LEN 12
 
 #include <qwindowdefs.h>
 
 class QFile;
 class QSaveFile;
 namespace KWallet
 {
 class Backend;
 
 enum BackendCipherType {
     BACKEND_CIPHER_UNKNOWN, /// this is used by freshly allocated wallets
     BACKEND_CIPHER_BLOWFISH, /// use the legacy blowfish cipher type
 #ifdef HAVE_GPGMEPP
     BACKEND_CIPHER_GPG, /// use GPG backend to encrypt wallet contents
 #endif // HAVE_GPGMEPP
 };
 
 class BackendPersistHandler
 {
 protected:
     BackendPersistHandler()
     {
     }
 
 public:
     virtual ~BackendPersistHandler()
     {
     }
     /**
      * This is a factory method used to get an instance of the backend suitable
      * for reading/writing using the given cipher type
      *
      * @param cipherType indication of the backend that should be returned
      * @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
      */
     static BackendPersistHandler *getPersistHandler(BackendCipherType cipherType);
     static BackendPersistHandler *getPersistHandler(char magicBuf[KWMAGIC_LEN]);
 
     virtual int write(Backend *wb, QSaveFile &sf, QByteArray &version, WId w) = 0;
     virtual int read(Backend *wb, QFile &sf, WId w) = 0;
 };
 
 class BlowfishPersistHandler : public BackendPersistHandler
 {
 public:
     explicit BlowfishPersistHandler(bool useECBforReading = false)
         : _useECBforReading(useECBforReading)
     {
     }
     ~BlowfishPersistHandler() override
     {
     }
 
     int write(Backend *wb, QSaveFile &sf, QByteArray &version, WId w) override;
     int read(Backend *wb, QFile &sf, WId w) override;
 
 private:
     bool _useECBforReading;
 };
 
 #ifdef HAVE_GPGMEPP
 class GpgPersistHandler : public BackendPersistHandler
 {
 public:
     GpgPersistHandler()
     {
     }
     ~GpgPersistHandler() override
     {
     }
 
     int write(Backend *wb, QSaveFile &sf, QByteArray &version, WId w) override;
     int read(Backend *wb, QFile &sf, WId w) override;
 };
 #endif // HAVE_GPGMEPP
 
 } // namespace
 
 #endif // BACKENDPERSISTHANDLER_H