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