File indexing completed on 2024-04-28 15:51:59

 /*
     SPDX-FileCopyrightText: 2018 Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "signaturepropertiesdialog.h"
 
 #include <KColumnResizer>
 #include <KLocalizedString>
 
 #include <QDialogButtonBox>
 #include <QFormLayout>
 #include <QGroupBox>
 #include <QLabel>
 #include <QProcess>
 #include <QPushButton>
 #include <QStandardPaths>
 #include <QVBoxLayout>
 #include <QVector>
 
 #include "core/document.h"
 #include "core/form.h"
 
 #include "certificateviewer.h"
 #include "gui/signatureguiutils.h"
 #include "revisionviewer.h"
 
 static QString getValidDisplayString(const QString &str)
 {
     return !str.isEmpty() ? str : i18n("Not Available");
 }
 
 SignaturePropertiesDialog::SignaturePropertiesDialog(Okular::Document *doc, const Okular::FormFieldSignature *form, QWidget *parent)
     : QDialog(parent)
     , m_doc(doc)
     , m_signatureForm(form)
 {
     setModal(true);
     setWindowTitle(i18n("Signature Properties"));
 
     m_kleopatraPath = QStandardPaths::findExecutable(QStringLiteral("kleopatra"));
 
     const Okular::SignatureInfo &signatureInfo = form->signatureInfo();
     const Okular::SignatureInfo::SignatureStatus signatureStatus = signatureInfo.signatureStatus();
     const QString readableSignatureStatus = SignatureGuiUtils::getReadableSignatureStatus(signatureStatus);
     const QString modificationSummary = SignatureGuiUtils::getReadableModificationSummary(signatureInfo);
     const QString signerName = getValidDisplayString(signatureInfo.signerName());
     const QString signingTime = getValidDisplayString(QLocale().toString(signatureInfo.signingTime(), QLocale::LongFormat));
     const QString signingLocation = getValidDisplayString(signatureInfo.location());
     const QString signingReason = signatureInfo.reason();
 
     auto signatureStatusBox = new QGroupBox(i18n("Validity Status"));
     auto signatureStatusFormLayout = new QFormLayout(signatureStatusBox);
     signatureStatusFormLayout->setLabelAlignment(Qt::AlignLeft);
     signatureStatusFormLayout->addRow(i18n("Signature Validity:"), new QLabel(readableSignatureStatus));
     signatureStatusFormLayout->addRow(i18n("Document Modifications:"), new QLabel(modificationSummary));
 
     // additional information
     auto extraInfoBox = new QGroupBox(i18n("Additional Information"));
     auto extraInfoFormLayout = new QFormLayout(extraInfoBox);
     extraInfoFormLayout->setLabelAlignment(Qt::AlignLeft);
     extraInfoFormLayout->addRow(i18n("Signed By:"), new QLabel(signerName));
     extraInfoFormLayout->addRow(i18n("Signing Time:"), new QLabel(signingTime));
     if (!signingReason.isEmpty()) {
         extraInfoFormLayout->addRow(i18n("Reason:"), new QLabel(signingReason));
     }
     extraInfoFormLayout->addRow(i18n("Location:"), new QLabel(signingLocation));
 
     // keep width of column 1 same
     auto resizer = new KColumnResizer(this);
     resizer->addWidgetsFromLayout(signatureStatusFormLayout->layout(), 0);
     resizer->addWidgetsFromLayout(extraInfoFormLayout->layout(), 0);
 
     // document revision info
     QGroupBox *revisionBox = nullptr;
     if (signatureStatus != Okular::SignatureInfo::SignatureStatusUnknown && !signatureInfo.signsTotalDocument()) {
         revisionBox = new QGroupBox(i18n("Document Version"));
         auto revisionLayout = new QHBoxLayout(revisionBox);
         const QVector<const Okular::FormFieldSignature *> signatureFormFields = SignatureGuiUtils::getSignatureFormFields(m_doc);
         revisionLayout->addWidget(new QLabel(i18nc("Document Revision <current> of <total>", "Document Revision %1 of %2", signatureFormFields.indexOf(m_signatureForm) + 1, signatureFormFields.size())));
         revisionLayout->addStretch();
         auto revisionBtn = new QPushButton(i18n("View Signed Version..."));
         connect(revisionBtn, &QPushButton::clicked, this, &SignaturePropertiesDialog::viewSignedVersion);
         revisionLayout->addWidget(revisionBtn);
     }
 
     // button box
     auto btnBox = new QDialogButtonBox(QDialogButtonBox::Close, this);
     auto certPropBtn = new QPushButton(i18n("View Certificate..."));
     certPropBtn->setEnabled(!signatureInfo.certificateInfo().isNull());
     auto certManagerBtn = new QPushButton(i18n("View in Certificate Manager"));
     certManagerBtn->setVisible(signatureInfo.certificateInfo().backend() == Okular::CertificateInfo::Backend::Gpg);
     certManagerBtn->setEnabled(!m_kleopatraPath.isEmpty());
     if (m_kleopatraPath.isEmpty()) {
         certManagerBtn->setToolTip(i18n("KDE Certificate Manager (kleopatra) not found"));
     }
     btnBox->addButton(certPropBtn, QDialogButtonBox::ActionRole);
     btnBox->addButton(certManagerBtn, QDialogButtonBox::ActionRole);
     connect(btnBox, &QDialogButtonBox::rejected, this, &SignaturePropertiesDialog::reject);
     connect(certPropBtn, &QPushButton::clicked, this, &SignaturePropertiesDialog::viewCertificateProperties);
     connect(certManagerBtn, &QPushButton::clicked, this, [this]() {
         QStringList args;
         args << QStringLiteral("--parent-windowid") << QString::number(static_cast<qlonglong>(window()->winId())) << QStringLiteral("--query") << m_signatureForm->signatureInfo().certificateInfo().nickName();
         QProcess::startDetached(m_kleopatraPath, args);
     });
 
     auto mainLayout = new QVBoxLayout(this);
     mainLayout->addWidget(signatureStatusBox);
     mainLayout->addWidget(extraInfoBox);
     if (revisionBox) {
         mainLayout->addWidget(revisionBox);
     }
     mainLayout->addWidget(btnBox);
 
     resize(mainLayout->sizeHint());
 }
 
 void SignaturePropertiesDialog::viewCertificateProperties()
 {
     CertificateViewer certViewer(m_signatureForm->signatureInfo().certificateInfo(), this);
     certViewer.exec();
 }
 
 void SignaturePropertiesDialog::viewSignedVersion()
 {
     const QByteArray data = m_doc->requestSignedRevisionData(m_signatureForm->signatureInfo());
     RevisionViewer revViewer(data, this);
     revViewer.viewRevision();
 }
 
 #include "moc_signaturepropertiesdialog.cpp"