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#pragma once
#include "Validator.h"
#include <QCryptographicHash>
#include <QFile>
namespace Net {
class ChecksumValidator : public Validator {
public:
ChecksumValidator(QCryptographicHash::Algorithm algorithm, QByteArray expected = QByteArray())
: m_checksum(algorithm), m_expected(expected){};
virtual ~ChecksumValidator() = default;
public:
auto init(QNetworkRequest&) -> bool override
{
m_checksum.reset();
return true;
}
auto write(QByteArray& data) -> bool override
{
m_checksum.addData(data);
return true;
}
auto abort() -> bool override { return true; }
auto validate(QNetworkReply&) -> bool override
{
if (m_expected.size() && m_expected != hash()) {
qWarning() << "Checksum mismatch, download is bad.";
return false;
}
return true;
}
auto hash() -> QByteArray { return m_checksum.result(); }
void setExpected(QByteArray expected) { m_expected = expected; }
private:
QCryptographicHash m_checksum;
QByteArray m_expected;
};
} // namespace Net
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