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