mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2025-03-22 06:06:32 -04:00
a6ddc22fb8
* Refactor Kdbx*Reader * Refactor KdbxWriter * Refactor KdbxXmlReader * Refactor KdbxXmlWriter
108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/*
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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_KDBXREADER_H
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#define KEEPASSXC_KDBXREADER_H
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#include "KeePass2.h"
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#include "keys/CompositeKey.h"
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#include "streams/StoreDataStream.h"
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#include <QCoreApplication>
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#include <QPointer>
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class Database;
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class QIODevice;
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/**
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* Abstract KDBX reader base class.
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*/
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class KdbxReader
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{
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Q_DECLARE_TR_FUNCTIONS(KdbxReader)
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public:
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KdbxReader() = default;
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virtual ~KdbxReader() = default;
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static bool readMagicNumbers(QIODevice* device, quint32& sig1, quint32& sig2, quint32& version);
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Database* readDatabase(QIODevice* device, const CompositeKey& key, bool keepDatabase = false);
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bool hasError() const;
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QString errorString() const;
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bool saveXml() const;
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void setSaveXml(bool save);
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QByteArray xmlData() const;
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QByteArray streamKey() const;
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KeePass2::ProtectedStreamAlgo protectedStreamAlgo() const;
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protected:
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/**
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* Concrete reader implementation for reading database from device.
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*
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* @param device input device at the payload starting position
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* @param KDBX header data as bytes
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* @param key database encryption composite key
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* @param keepDatabase keep database in case of read failure
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* @return pointer to the read database, nullptr on failure
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*/
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virtual Database* readDatabaseImpl(QIODevice* device, const QByteArray& headerData,
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const CompositeKey& key, bool keepDatabase) = 0;
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/**
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* Read next header field from stream.
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*
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* @param headerStream input header stream
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* @return true if there are more header fields
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*/
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virtual bool readHeaderField(StoreDataStream& headerStream) = 0;
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virtual void setCipher(const QByteArray& data);
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virtual void setCompressionFlags(const QByteArray& data);
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virtual void setMasterSeed(const QByteArray& data);
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virtual void setTransformSeed(const QByteArray& data);
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virtual void setTransformRounds(const QByteArray& data);
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virtual void setEncryptionIV(const QByteArray& data);
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virtual void setProtectedStreamKey(const QByteArray& data);
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virtual void setStreamStartBytes(const QByteArray& data);
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virtual void setInnerRandomStreamID(const QByteArray& data);
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void raiseError(const QString& errorMessage);
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QScopedPointer<Database> m_db;
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QPair<quint32, quint32> m_kdbxSignature;
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quint32 m_kdbxVersion = 0;
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QByteArray m_masterSeed;
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QByteArray m_encryptionIV;
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QByteArray m_streamStartBytes;
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QByteArray m_protectedStreamKey;
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KeePass2::ProtectedStreamAlgo m_irsAlgo = KeePass2::ProtectedStreamAlgo::InvalidProtectedStreamAlgo;
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QByteArray m_xmlData;
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private:
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bool m_saveXml = false;
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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_KDBXREADER_H
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