Function documentSignatureMessageWidgetText

gui/signatureguiutils.cpp:178–221

}

std::pair<KMessageWidget::MessageType, QString> documentSignatureMessageWidgetText(const Okular::Document *doc)
{
    uint curPage = 0;
    const uint numPages = doc->pages();
    bool isDigitallySigned = false;
    while (curPage < numPages && !isDigitallySigned) {
        const QList<Okular::FormField *> formFields = doc->page(curPage++)->formFields();
        for (const Okular::FormField *f : formFields) {
            if (f->type() == Okular::FormField::FormSignature) {
                isDigitallySigned = true;
            }
        }
    }

    if (isDigitallySigned) {
        const QList<const Okular::FormFieldSignature *> signatureFormFields = SignatureGuiUtils::getSignatureFormFields(doc);
        bool allSignaturesValid = true;
        bool anySignatureUnsigned = false;
        for (const Okular::FormFieldSignature *signature : signatureFormFields) {
            if (signature->signatureType() == Okular::FormFieldSignature::UnsignedSignature) {
                anySignatureUnsigned = true;
            } else {
                const Okular::SignatureInfo &info = signature->signatureInfo();
                if (info.signatureStatus() != Okular::SignatureInfo::SignatureValid) {
                    allSignaturesValid = false;
                }
            }
        }

        if (anySignatureUnsigned) {
            return {KMessageWidget::Information, i18nc("Digital signature", "This document has signature placeholder fields.")};
        } else if (allSignaturesValid) {
            if (signatureFormFields.last()->signatureInfo().signsTotalDocument()) {
                return {KMessageWidget::Information, i18n("This document is digitally signed.")};
            } else {
                return {KMessageWidget::Warning, i18n("This document is digitally signed. There have been changes since last signed.")};
            }
        } else {
            return {KMessageWidget::Warning, i18n("This document is digitally signed. Some of the signatures could not be validated properly.")};
        }
    }

    return {KMessageWidget::Information, QString()};
}
}