1 files changed, 120 insertions, 0 deletions
diff --git a/src/admin/workerintegration.cpp b/src/admin/workerintegration.cpp
new file mode 100644
index 000000000..f9b587391
--- /dev/null
+++ b/src/admin/workerintegration.cpp
@@ -0,0 +1,120 @@
+/*
+    This file is part of the KDE project
+    SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "workerintegration.h"
+
+#include "dolphinmainwindow.h"
+#include "dolphinviewcontainer.h"
+
+#include <KActionCollection>
+#include <KLocalizedString>
+#include <KMessageBox>
+#include <KMessageDialog>
+#include <KProtocolInfo>
+
+#include <QAction>
+
+using namespace Admin;
+
+QString Admin::warningMessage()
+{
+    return xi18nc(
+        "@info",
+        "<para>You are about to use administrator privileges. While acting as an administrator you can change or replace any file or folder on this system. "
+        "This includes items which are critical for this system to function.</para><para>You are able to <emphasis>delete every users' data</emphasis> on this "
+        "computer and to <emphasis>break this installation beyond repair.</emphasis> Adding just one letter in a folder or file name or its contents can "
+        "render a system <emphasis>unbootable.</emphasis></para><para>There is probably not going to be another warning even if you are about to break this "
+        "system.</para><para>You might want to <emphasis>backup files and folders</emphasis> before proceeding.</para>");
+}
+
+namespace
+{
+/** The only WorkerIntegration object that is ever constructed. It is only ever accessed directly from within this file. */
+WorkerIntegration *instance = nullptr;
+}
+
+WorkerIntegration::WorkerIntegration(DolphinMainWindow *parent, QAction *actAsAdminAction)
+    : QObject{parent}
+    , m_actAsAdminAction{actAsAdminAction}
+{
+    Q_CHECK_PTR(parent);
+    Q_CHECK_PTR(actAsAdminAction);
+
+    connect(parent, &DolphinMainWindow::urlChanged, this, &WorkerIntegration::updateActAsAdminAction);
+
+    connect(actAsAdminAction, &QAction::triggered, this, &WorkerIntegration::toggleActAsAdmin);
+}
+
+void WorkerIntegration::createActAsAdminAction(KActionCollection *actionCollection, DolphinMainWindow *dolphinMainWindow)
+{
+    Q_ASSERT(!instance);
+    if (KProtocolInfo::isKnownProtocol(QStringLiteral("admin"))) {
+        QAction *actAsAdminAction = actionCollection->addAction(QStringLiteral("act_as_admin"));
+        actAsAdminAction->setText(i18nc("@action:inmenu", "Act as Administrator"));
+        actAsAdminAction->setIcon(QIcon::fromTheme(QStringLiteral("system-switch-user")));
+        actAsAdminAction->setCheckable(true);
+        actionCollection->setDefaultShortcut(actAsAdminAction, Qt::CTRL | Qt::SHIFT | Qt::ALT | Qt::Key_A);
+
+        instance = new WorkerIntegration(dolphinMainWindow, actAsAdminAction);
+    }
+}
+
+void WorkerIntegration::exitAdminMode()
+{
+    if (instance->m_actAsAdminAction->isChecked()) {
+        instance->m_actAsAdminAction->trigger();
+    }
+}
+
+void WorkerIntegration::toggleActAsAdmin()
+{
+    auto dolphinMainWindow = static_cast<DolphinMainWindow *>(parent());
+    QUrl url = dolphinMainWindow->activeViewContainer()->urlNavigator()->locationUrl();
+    if (url.scheme() == QStringLiteral("file")) {
+        bool risksAccepted = !KMessageBox::shouldBeShownContinue(warningDontShowAgainName);
+
+        if (!risksAccepted) {
+            KMessageDialog warningDialog{KMessageDialog::QuestionTwoActions, warningMessage(), dolphinMainWindow};
+            warningDialog.setCaption(i18nc("@title:window", "Risks of Acting as an Administrator"));
+            warningDialog.setIcon(QIcon::fromTheme(QStringLiteral("security-low")));
+            warningDialog.setButtons(KGuiItem{i18nc("@action:button", "I Understand and Accept These Risks"), QStringLiteral("data-warning")},
+                                     KStandardGuiItem::cancel());
+            warningDialog.setDontAskAgainText(i18nc("@option:check", "Do not warn me about these risks again"));
+
+            risksAccepted = warningDialog.exec() != 4 /* Cancel */;
+            if (warningDialog.isDontAskAgainChecked()) {
+                KMessageBox::saveDontShowAgainContinue(warningDontShowAgainName);
+            }
+
+            if (!risksAccepted) {
+                updateActAsAdminAction(); // Uncheck the action
+                return;
+            }
+        }
+
+        url.setScheme(QStringLiteral("admin"));
+    } else if (url.scheme() == QStringLiteral("admin")) {
+        url.setScheme(QStringLiteral("file"));
+    }
+    dolphinMainWindow->changeUrl(url);
+}
+
+void WorkerIntegration::updateActAsAdminAction()
+{
+    if (instance) {
+        const QString currentUrlScheme = static_cast<DolphinMainWindow *>(instance->parent())->activeViewContainer()->url().scheme();
+        if (currentUrlScheme == QStringLiteral("file")) {
+            instance->m_actAsAdminAction->setEnabled(true);
+            instance->m_actAsAdminAction->setChecked(false);
+        } else if (currentUrlScheme == QStringLiteral("admin")) {
+            instance->m_actAsAdminAction->setEnabled(true);
+            instance->m_actAsAdminAction->setChecked(true);
+        } else {
+            instance->m_actAsAdminAction->setEnabled(false);
+        }
+    }
+}