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kazv-file.cpp
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kazv-file.cpp
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#include "kazv-file.hpp"
#include <QCryptographicHash>
#include <optional>
struct KazvFilePrivate
{
std::optional<Kazv::AES256CTRDesc> aes;
QCryptographicHash hash{QCryptographicHash::Sha256};
};
KazvFile::KazvFile(const QString &name, std::optional<Kazv::AES256CTRDesc> aes, QObject *parent)
: QFile(name, parent)
, m_d(new KazvFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvFile::KazvFile(std::optional<Kazv::AES256CTRDesc> aes, QObject *parent)
: QFile(parent)
, m_d(new KazvFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvFile::KazvFile(const QString &name, std::optional<Kazv::AES256CTRDesc> aes)
: QFile(name)
, m_d(new KazvFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvFile::KazvFile(std::optional<Kazv::AES256CTRDesc> aes)
: QFile()
, m_d(new KazvFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvFile::~KazvFile() = default;
QByteArray KazvFile::hash() const
{
return m_d->hash.result().toBase64(QByteArray::Base64Encoding | QByteArray::OmitTrailingEquals);
}
qint64 KazvFile::readData(char *data, qint64 len)
{
qint64 readLen = QFile::readData(data, len);
if (m_d->aes.has_value() && readLen > 0) {
auto [next, encrypted] = m_d->aes.value().process(std::string(data, readLen));
m_d->aes = next;
std::copy_n(encrypted.data(), readLen, data);
m_d->hash.addData(data, readLen);
}
return readLen;
}
struct KazvSaveFilePrivate {
std::optional<Kazv::AES256CTRDesc> aes;
QCryptographicHash hash{QCryptographicHash::Sha256};
};
KazvSaveFile::KazvSaveFile(const QString &name, std::optional<Kazv::AES256CTRDesc> aes, QObject *parent)
: QSaveFile(name, parent)
, m_d(new KazvSaveFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvSaveFile::KazvSaveFile(std::optional<Kazv::AES256CTRDesc> aes, QObject *parent)
: QSaveFile(parent)
, m_d(new KazvSaveFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvSaveFile::KazvSaveFile(const QString &name, std::optional<Kazv::AES256CTRDesc> aes)
: QSaveFile(name)
, m_d(new KazvSaveFilePrivate)
{
if (aes.has_value()) {
m_d->aes = Kazv::AES256CTRDesc{aes.value().key(), aes.value().iv()};
}
}
KazvSaveFile::~KazvSaveFile() = default;
QByteArray KazvSaveFile::hash() const
{
return m_d->hash.result().toBase64(QByteArray::Base64Encoding | QByteArray::OmitTrailingEquals);
}
qint64 KazvSaveFile::writeData(const char *data, qint64 len)
{
if (m_d->aes.has_value() && len > 0) {
m_d->hash.addData(data, len);
auto result = m_d->aes.value().process(std::string(data, len));
m_d->aes = result.first;
return QSaveFile::writeData(result.second.data(), len);
}
return QSaveFile::writeData(data, len);
}

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kazv-file.cpp (3 KB)

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