mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2025-01-23 05:01:19 -05:00
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
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/*
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* Copyright (C) 2018 KeePassXC Team <team@keepassxc.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef KEEPASSXC_KDBXWRITER_H
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#define KEEPASSXC_KDBXWRITER_H
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#include "KeePass2.h"
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#include "core/Endian.h"
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#include <QCoreApplication>
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#define CHECK_RETURN_FALSE(x) if (!(x)) return false;
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class QIODevice;
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class Database;
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/**
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* Abstract KDBX writer base class.
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*/
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class KdbxWriter
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{
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Q_DECLARE_TR_FUNCTIONS(KdbxWriter)
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public:
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KdbxWriter() = default;
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virtual ~KdbxWriter() = default;
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bool writeMagicNumbers(QIODevice* device, quint32 sig1, quint32 sig2, quint32 version);
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/**
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* Write a database to a device in KDBX format.
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*
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* @param device output device
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* @param db source database
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* @return true on success
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*/
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virtual bool writeDatabase(QIODevice* device, Database* db) = 0;
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bool hasError() const;
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QString errorString() const;
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protected:
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/**
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* Helper method for writing a KDBX header field to a device.
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*
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* @tparam SizedQInt field width
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* @param device output device
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* @param fieldId field identifier
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* @param data field contents
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* @return true on success
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*/
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template <typename SizedQInt>
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bool writeHeaderField(QIODevice* device, KeePass2::HeaderFieldID fieldId, const QByteArray& data)
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{
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Q_ASSERT(static_cast<unsigned long>(data.size()) < (1ull << (sizeof(SizedQInt) * 8)));
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QByteArray fieldIdArr;
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fieldIdArr[0] = static_cast<char>(fieldId);
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CHECK_RETURN_FALSE(writeData(device, fieldIdArr));
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CHECK_RETURN_FALSE(writeData(device, Endian::sizedIntToBytes<SizedQInt>(static_cast<SizedQInt>(data.size()),
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KeePass2::BYTEORDER)));
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CHECK_RETURN_FALSE(writeData(device, data));
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return true;
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}
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bool writeData(QIODevice* device, const QByteArray& data);
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void raiseError(const QString& errorMessage);
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bool m_error = false;
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QString m_errorStr = "";
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};
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#endif //KEEPASSXC_KDBXWRITER_H
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