C++ QSslCertificate::toText方法代码示例

void CertificateDialog::exportCertificate()
{
	const QSslCertificate certificate(m_certificates.value(m_ui->chainItemView->currentIndex().data(Qt::UserRole).toInt()));

	if (certificate.isNull())
	{
		return;
	}

	QString filter;
	const QString path(QFileDialog::getSaveFileName(this, tr("Select File"), QStandardPaths::standardLocations(QStandardPaths::HomeLocation).value(0), Utils::formatFileTypes({tr("DER encoded X.509 certificates (*.der)"), tr("PEM encoded X.509 certificates (*.pem)"), tr("Text files (*.txt)")}), &filter));

	if (!path.isEmpty())
	{
		QFile file(path);

		if (!file.open(QIODevice::WriteOnly))
		{
			QMessageBox::critical(this, tr("Error"), tr("Failed to open file for writing."), QMessageBox::Close);

			return;
		}

		if (filter.contains(QLatin1String(".der")))
		{
			file.write(certificate.toDer());
		}
		else if (filter.contains(QLatin1String(".pem")))
		{
			file.write(certificate.toPem());
		}
		else
		{
			QTextStream stream(&file);
			stream << certificate.toText();
		}

		file.close();
	}
}

QString dumpCertificate(const QSslCertificate &cert)
{
    if (cert.isNull())
      return "\n-\n";

    QString s = "\n";
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    s += cert.toText();
#else
    QString s_none = QObject::tr("<Not Part of Certificate>");
    #define CERTIFICATE_STR(x) ( ((x) == "" ) ? s_none : (x) )

    s += "Certificate:\n";
    s += "\nIssued To:\n";
    s += "CommonName(CN):             " + CERTIFICATE_STR(cert.subjectInfo(QSslCertificate::CommonName)) + "\n";
    s += "Organization(O):            " + CERTIFICATE_STR(cert.subjectInfo(QSslCertificate::Organization)) + "\n";
    s += "OrganizationalUnitName(OU): " + CERTIFICATE_STR(cert.subjectInfo(QSslCertificate::OrganizationalUnitName)) + "\n";
    s += "Serial Number:              " + dumpHexPresentation(cert.serialNumber()) + "\n";

    s += "\nIssued By:\n";
    s += "CommonName(CN):             " + CERTIFICATE_STR(cert.issuerInfo(QSslCertificate::CommonName)) + "\n";
    s += "Organization(O):            " + CERTIFICATE_STR(cert.issuerInfo(QSslCertificate::Organization)) + "\n";
    s += "OrganizationalUnitName(OU): " + CERTIFICATE_STR(cert.issuerInfo(QSslCertificate::OrganizationalUnitName)) + "\n";

    s += "\nPeriod Of Validity\n";
    s += "Begins On:    " + cert.effectiveDate().toString() + "\n";
    s += "Expires On:   " + cert.expiryDate().toString() + "\n";
    s += "IsValid:      " + (cert.isValid() ? QString("Yes") : QString("No")) + "\n";

    s += "\nFingerprints\n";
    s += "SHA1 Fingerprint:\n" + dumpCertificateFingerprint(cert, QCryptographicHash::Sha1) + "\n";
    s += "MD5 Fingerprint:\n" + dumpCertificateFingerprint(cert, QCryptographicHash::Md5) + "\n";
#endif

    s += "\n\n";
    s += cert.toPem();

    return s;
}

void CertificateDialog::updateValue()
{
	const QSslCertificate certificate(m_certificates.value(m_ui->chainItemView->currentIndex().data(Qt::UserRole).toInt()));
	const CertificateField field(static_cast<CertificateField>(m_ui->detailsItemView->currentIndex().data(Qt::UserRole).toInt()));

	m_ui->valueTextEdit->clear();

	switch (field)
	{
		case ValidityField:
		case PublicKeyField:
		case ExtensionsField:
		case DigestField:
			break;
		case VersionField:
			m_ui->valueTextEdit->setPlainText(QString(certificate.version()));

			break;
		case SerialNumberField:
			m_ui->valueTextEdit->setPlainText(formatHex(QString(certificate.serialNumber()), QLatin1Char(':')));

			break;
		case SignatureAlgorithmField:
			m_ui->valueTextEdit->setPlainText(QRegularExpression(QLatin1String("Signature Algorithm:(.+)")).match(certificate.toText()).captured(1).trimmed());

			break;
		case IssuerField:
			{
				const QList<QByteArray> attributes(certificate.issuerInfoAttributes());

				for (int i = 0; i < attributes.count(); ++i)
				{
					m_ui->valueTextEdit->appendPlainText(QStringLiteral("%1 = %2").arg(QString(attributes.at(i))).arg(certificate.issuerInfo(attributes.at(i)).join(QLatin1String(", "))));
				}
			}

			break;
		case ValidityNotBeforeField:
			m_ui->valueTextEdit->setPlainText(certificate.effectiveDate().toString(QLatin1String("yyyy-MM-dd hh:mm:ss t")));

			break;
		case ValidityNotAfterField:
			m_ui->valueTextEdit->setPlainText(certificate.expiryDate().toString(QLatin1String("yyyy-MM-dd hh:mm:ss t")));

			break;
		case SubjectField:
			{
				const QList<QByteArray> attributes(certificate.subjectInfoAttributes());

				for (int i = 0; i < attributes.count(); ++i)
				{
					m_ui->valueTextEdit->appendPlainText(QStringLiteral("%1 = %2").arg(QString(attributes.at(i))).arg(certificate.subjectInfo(attributes.at(i)).join(QLatin1String(", "))));
				}
			}

			break;
		case PublicKeyValueField:
			{
				const QRegularExpression expression(QLatin1String("Public-Key:[.\\s\\S]+Modulus:([.\\s\\S]+)Exponent:(.+)"), QRegularExpression::MultilineOption);
				const QRegularExpressionMatch match(expression.match(certificate.toText()));

				if (match.hasMatch())
				{
					m_ui->valueTextEdit->setPlainText(tr("Modulus:\n%1\n\nExponent: %2").arg(formatHex(match.captured(1).trimmed().mid(3))).arg(match.captured(2).trimmed()));
				}
			}

			break;
		case PublicKeyAlgorithmField:
			m_ui->valueTextEdit->setPlainText(QRegularExpression(QLatin1String("Public Key Algorithm:(.+)")).match(certificate.toText()).captured(1).trimmed());

			break;
		case ExtensionField:
			{
				const QSslCertificateExtension extension(certificate.extensions().value(m_ui->detailsItemView->currentIndex().data(Qt::UserRole + 1).toInt()));

				m_ui->valueTextEdit->setPlainText(extension.isCritical() ? tr("Critical") : tr("Not Critical"));
				m_ui->valueTextEdit->appendPlainText(tr("OID: %1").arg(extension.oid()));

				if (!extension.value().isNull())
				{
					m_ui->valueTextEdit->appendPlainText(tr("Value:"));

					if (extension.value().type() == QVariant::List)
					{
						const QVariantList list(extension.value().toList());

						for (int i = 0; i < list.count(); ++i)
						{
							m_ui->valueTextEdit->appendPlainText(list.at(i).toString());
						}
					}
					else if (extension.value().type() == QVariant::Map)
					{
						const QVariantMap map(extension.value().toMap());
						QVariantMap::const_iterator iterator;

						for (iterator = map.constBegin(); iterator != map.constEnd(); ++iterator)
						{
							m_ui->valueTextEdit->appendPlainText(QStringLiteral("%1 = %2").arg(iterator.key()).arg(iterator.value().toString()));
//.........这里部分代码省略.........