certificateinfo.cpp Example File

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 #include "certificateinfo.h"
 #include "ui_certificateinfo.h"

 CertificateInfo::CertificateInfo(QWidget *parent)
     : QDialog(parent)
 {
     form = new Ui_CertificateInfo;
     form->setupUi(this);

     connect(form->certificationPathView, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &CertificateInfo::updateCertificateInfo);
 }

 CertificateInfo::~CertificateInfo()
 {
     delete form;
 }

 void CertificateInfo::setCertificateChain(const QList<QSslCertificate> &chain)
 {
     certificateChain = chain;

     form->certificationPathView->clear();
     for (int i = 0; i < certificateChain.size(); ++i) {
         const QSslCertificate &cert = certificateChain.at(i);
         form->certificationPathView->addItem(tr("%1%2 (%3)").arg(!i ? QString() : tr("Issued by: "))
                                              .arg(cert.subjectInfo(QSslCertificate::Organization).join(QLatin1Char(' ')))
                                              .arg(cert.subjectInfo(QSslCertificate::CommonName).join(QLatin1Char(' '))));
     }
     form->certificationPathView->setCurrentIndex(0);
 }

 void CertificateInfo::updateCertificateInfo(int index)
 {
     form->certificateInfoView->clear();
     if (index >= 0 && index < certificateChain.size()) {
         const QSslCertificate &cert = certificateChain.at(index);
         QStringList lines;
         lines << tr("Organization: %1").arg(cert.subjectInfo(QSslCertificate::Organization).join(QLatin1Char(' ')))
               << tr("Subunit: %1").arg(cert.subjectInfo(QSslCertificate::OrganizationalUnitName).join(QLatin1Char(' ')))
               << tr("Country: %1").arg(cert.subjectInfo(QSslCertificate::CountryName).join(QLatin1Char(' ')))
               << tr("Locality: %1").arg(cert.subjectInfo(QSslCertificate::LocalityName).join(QLatin1Char(' ')))
               << tr("State/Province: %1").arg(cert.subjectInfo(QSslCertificate::StateOrProvinceName).join(QLatin1Char(' ')))
               << tr("Common Name: %1").arg(cert.subjectInfo(QSslCertificate::CommonName).join(QLatin1Char(' ')))
               << QString()
               << tr("Issuer Organization: %1").arg(cert.issuerInfo(QSslCertificate::Organization).join(QLatin1Char(' ')))
               << tr("Issuer Unit Name: %1").arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).join(QLatin1Char(' ')))
               << tr("Issuer Country: %1").arg(cert.issuerInfo(QSslCertificate::CountryName).join(QLatin1Char(' ')))
               << tr("Issuer Locality: %1").arg(cert.issuerInfo(QSslCertificate::LocalityName).join(QLatin1Char(' ')))
               << tr("Issuer State/Province: %1").arg(cert.issuerInfo(QSslCertificate::StateOrProvinceName).join(QLatin1Char(' ')))
               << tr("Issuer Common Name: %1").arg(cert.issuerInfo(QSslCertificate::CommonName).join(QLatin1Char(' ')));
         for (const auto &line : lines)
             form->certificateInfoView->addItem(line);
     }
 }