Public key encryption: code refactoring

2025-06-05 21:59:17 +02:00 · 2022-06-12 15:45:32 +02:00
parent 1c03bd85cd
commit c20959c190
16 changed files with 790 additions and 648 deletions
--- a/Pdf4QtLib/sources/pdfcertificatemanagerdialog.cpp
+++ b/Pdf4QtLib/sources/pdfcertificatemanagerdialog.cpp
@ -0,0 +1,133 @@
+//    Copyright (C) 2022 Jakub Melka
+//
+//    This file is part of PDF4QT.
+//
+//    PDF4QT is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    with the written consent of the copyright owner, any later version.
+//
+//    PDF4QT is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDF4QT.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "pdfcertificatemanagerdialog.h"
+#include "ui_pdfcertificatemanagerdialog.h"
+#include "pdfcreatecertificatedialog.h"
+
+#include "pdfwidgetutils.h"
+
+#include <QAction>
+#include <QPushButton>
+#include <QFileSystemModel>
+#include <QDesktopServices>
+#include <QMessageBox>
+#include <QFileDialog>
+
+namespace pdf
+{
+
+PDFCertificateManagerDialog::PDFCertificateManagerDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::PDFCertificateManagerDialog),
+    m_newCertificateButton(nullptr),
+    m_openCertificateDirectoryButton(nullptr),
+    m_deleteCertificateButton(nullptr),
+    m_importCertificateButton(nullptr),
+    m_certificateFileModel(nullptr)
+{
+    ui->setupUi(this);
+
+    QDir::root().mkpath(PDFCertificateManager::getCertificateDirectory());
+
+    m_certificateFileModel = new QFileSystemModel(this);
+    QModelIndex rootIndex = m_certificateFileModel->setRootPath(PDFCertificateManager::getCertificateDirectory());
+    ui->fileView->setModel(m_certificateFileModel);
+    ui->fileView->setRootIndex(rootIndex);
+
+    m_newCertificateButton = ui->buttonBox->addButton(tr("Create"), QDialogButtonBox::ActionRole);
+    m_openCertificateDirectoryButton = ui->buttonBox->addButton(tr("Open Directory"), QDialogButtonBox::ActionRole);
+    m_deleteCertificateButton = ui->buttonBox->addButton(tr("Delete"), QDialogButtonBox::ActionRole);
+    m_importCertificateButton = ui->buttonBox->addButton(tr("Import"), QDialogButtonBox::ActionRole);
+
+    connect(m_newCertificateButton, &QPushButton::clicked, this, &PDFCertificateManagerDialog::onNewCertificateClicked);
+    connect(m_openCertificateDirectoryButton, &QPushButton::clicked, this, &PDFCertificateManagerDialog::onOpenCertificateDirectoryClicked);
+    connect(m_deleteCertificateButton, &QPushButton::clicked, this, &PDFCertificateManagerDialog::onDeleteCertificateClicked);
+    connect(m_importCertificateButton, &QPushButton::clicked, this, &PDFCertificateManagerDialog::onImportCertificateClicked);
+
+    setMinimumSize(pdf::PDFWidgetUtils::scaleDPI(this, QSize(640, 480)));
+}
+
+PDFCertificateManagerDialog::~PDFCertificateManagerDialog()
+{
+    delete ui;
+}
+
+void PDFCertificateManagerDialog::onNewCertificateClicked()
+{
+    PDFCreateCertificateDialog dialog(this);
+    if (dialog.exec() == PDFCreateCertificateDialog::Accepted)
+    {
+        const PDFCertificateManager::NewCertificateInfo info = dialog.getNewCertificateInfo();
+        m_certificateManager.createCertificate(info);
+    }
+}
+
+void PDFCertificateManagerDialog::onOpenCertificateDirectoryClicked()
+{
+    QDesktopServices::openUrl(QString("file:///%1").arg(PDFCertificateManager::getCertificateDirectory(), QUrl::TolerantMode));
+}
+
+void PDFCertificateManagerDialog::onDeleteCertificateClicked()
+{
+    QFileInfo fileInfo = m_certificateFileModel->fileInfo(ui->fileView->currentIndex());
+    if (fileInfo.exists())
+    {
+        if (QMessageBox::question(this, tr("Confirm delete"), tr("Do you want to delete certificate '%1'?").arg(fileInfo.fileName()), QMessageBox::No, QMessageBox::Yes) == QMessageBox::Yes)
+        {
+            QFile file(fileInfo.filePath());
+            if (!file.remove())
+            {
+                QMessageBox::critical(this, tr("Error"), tr("Cannot delete certificate '%1'").arg(fileInfo.fileName()));
+            }
+        }
+    }
+}
+
+void PDFCertificateManagerDialog::onImportCertificateClicked()
+{
+    QString selectedFile = QFileDialog::getOpenFileName(this, tr("Import Certificate"), QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation), tr("Certificate file (*.pfx);;All files (*.*)"));
+
+    if (selectedFile.isEmpty())
+    {
+        return;
+    }
+
+    QFile file(selectedFile);
+    if (file.exists())
+    {
+        QString path = PDFCertificateManager::getCertificateDirectory();
+        QString targetFile = QString("%1/%2").arg(path, QFileInfo(file).fileName());
+        if (QFile::exists(targetFile))
+        {
+            QMessageBox::critical(this, tr("Error"), tr("Target file exists. Please rename the certificate file to import."));
+        }
+        else
+        {
+            if (file.copy(targetFile))
+            {
+                QMessageBox::information(this, tr("Import Certificate"), tr("Certificate '%1' was successfully imported.").arg(file.fileName()));
+            }
+            else
+            {
+                QMessageBox::critical(this, tr("Import Certificate"), tr("Error occured during certificate '%1' import.").arg(file.fileName()));
+            }
+        }
+    }
+}
+
+}   // namespace pdf