feature: Add Kill Switch settings page with strict mode option

client/resources.qrc

@@ -197,6 +197,7 @@
         <file>ui/qml/Pages2/PageSettingsBackup.qml</file>
         <file>ui/qml/Pages2/PageSettingsConnection.qml</file>
         <file>ui/qml/Pages2/PageSettingsDns.qml</file>
+        <file>ui/qml/Pages2/PageSettingsKillSwitch.qml</file>
         <file>ui/qml/Pages2/PageSettingsLogging.qml</file>
         <file>ui/qml/Pages2/PageSettingsServerData.qml</file>
         <file>ui/qml/Pages2/PageSettingsServerInfo.qml</file>

client/settings.cpp

@@ -443,6 +443,16 @@ void Settings::setKillSwitchEnabled(bool enabled)
     setValue("Conf/killSwitchEnabled", enabled);
 }
 
+bool Settings::isStrictKillSwitchEnabled() const
+{
+    return value("Conf/strictKillSwitchEnabled", false).toBool();
+}
+
+void Settings::setStrictKillSwitchEnabled(bool enabled)
+{
+    setValue("Conf/strictKillSwitchEnabled", enabled);
+}
+
 QString Settings::getInstallationUuid(const bool needCreate)
 {
     auto uuid = value("Conf/installationUuid", "").toString();

client/settings.h

@@ -213,6 +213,10 @@ public:
 
     bool isKillSwitchEnabled() const;
     void setKillSwitchEnabled(bool enabled);
+
+    bool isStrictKillSwitchEnabled() const;
+    void setStrictKillSwitchEnabled(bool enabled);
+
     QString getInstallationUuid(const bool needCreate);
 
     void resetGatewayEndpoint();

client/ui/controllers/pageController.h

@@ -31,6 +31,7 @@ namespace PageLoader
         PageSettingsLogging,
         PageSettingsSplitTunneling,
         PageSettingsAppSplitTunneling,
+        PageSettingsKillSwitch,
 
         PageServiceSftpSettings,
         PageServiceTorWebsiteSettings,

client/ui/controllers/settingsController.cpp

@@ -245,6 +245,18 @@ bool SettingsController::isKillSwitchEnabled()
 void SettingsController::toggleKillSwitch(bool enable)
 {
     m_settings->setKillSwitchEnabled(enable);
+    emit killSwitchEnabledChanged();
+}
+
+bool SettingsController::isStrictKillSwitchEnabled()
+{
+    return m_settings->isStrictKillSwitchEnabled();
+}
+
+void SettingsController::toggleStrictKillSwitch(bool enable)
+{
+    m_settings->setStrictKillSwitchEnabled(enable);
+    emit strictKillSwitchEnabledChanged();
 }
 
 bool SettingsController::isNotificationPermissionGranted()

client/ui/controllers/settingsController.h

@@ -24,6 +24,8 @@ public:
     Q_PROPERTY(QString secondaryDns READ getSecondaryDns WRITE setSecondaryDns NOTIFY secondaryDnsChanged)
     Q_PROPERTY(bool isLoggingEnabled READ isLoggingEnabled WRITE toggleLogging NOTIFY loggingStateChanged)
     Q_PROPERTY(bool isNotificationPermissionGranted READ isNotificationPermissionGranted NOTIFY onNotificationStateChanged)
+    Q_PROPERTY(bool isKillSwitchEnabled READ isKillSwitchEnabled WRITE toggleKillSwitch NOTIFY killSwitchEnabledChanged)
+    Q_PROPERTY(bool strictKillSwitchEnabled READ isStrictKillSwitchEnabled WRITE toggleStrictKillSwitch NOTIFY strictKillSwitchEnabledChanged)
 
     Q_PROPERTY(bool isDevModeEnabled READ isDevModeEnabled NOTIFY devModeEnabled)
     Q_PROPERTY(QString gatewayEndpoint READ getGatewayEndpoint WRITE setGatewayEndpoint NOTIFY gatewayEndpointChanged)
@@ -73,6 +75,9 @@ public slots:
     bool isKillSwitchEnabled();
     void toggleKillSwitch(bool enable);
 
+    bool isStrictKillSwitchEnabled();
+    void toggleStrictKillSwitch(bool enable);
+
     bool isNotificationPermissionGranted();
     void requestNotificationPermission();
 
@@ -93,6 +98,8 @@ signals:
     void primaryDnsChanged();
     void secondaryDnsChanged();
     void loggingStateChanged();
+    void killSwitchEnabledChanged();
+    void strictKillSwitchEnabledChanged();
 
     void restoreBackupFinished();
     void changeSettingsFinished(const QString &finishedMessage);

client/ui/qml/Controls2/HeaderType.qml

@@ -10,8 +10,11 @@ Item {
 
     property string actionButtonImage
     property var actionButtonFunction
+    property var switcherFunction
+    property bool showSwitcher: false
 
     property alias actionButton: headerActionButton
+    property alias switcher: headerSwitcher
 
     property string headerText
     property int headerTextMaximumLineCount: 2
@@ -56,6 +59,18 @@ Item {
                     }
                 }
             }
+
+            SwitcherType {
+                id: headerSwitcher
+                Layout.alignment: Qt.AlignRight
+                visible: root.showSwitcher
+
+                onToggled: {
+                    if (switcherFunction && typeof switcherFunction === "function") {
+                        switcherFunction(checked)
+                    }
+                }
+            }
         }
 
         ParagraphTextType {

client/ui/qml/Pages2/PageSettingsConnection.qml

@@ -94,9 +94,7 @@ PageType {
                 }
             }
 
-            DividerType {
+            DividerType {}
-                visible: root.isAppSplitTinnelingEnabled
-            }
 
             LabelWithButtonType {
                 id: splitTunnelingButton2
@@ -119,29 +117,20 @@ PageType {
                 visible: root.isAppSplitTinnelingEnabled
             }
 
-            SwitcherType {
+            LabelWithButtonType {
-                id: killSwitchSwitcher
+                id: killSwitchButton
                 visible: !GC.isMobile()
 
                 Layout.fillWidth: true
-                Layout.margins: 16
 
                 text: qsTr("KillSwitch")
-                descriptionText: qsTr("Disables your internet if your encrypted VPN connection drops out for any reason.")
+                descriptionText: qsTr("Blocks network connections without VPN")
+                rightImageSource: "qrc:/images/controls/chevron-right.svg"
 
                 parentFlickable: fl
 
-                checked: SettingsController.isKillSwitchEnabled()
+                clickedFunction: function() {
-                checkable: !ConnectionController.isConnected
+                    PageController.goToPage(PageEnum.PageSettingsKillSwitch)
-                onCheckedChanged: {
-                    if (checked !== SettingsController.isKillSwitchEnabled()) {
-                        SettingsController.toggleKillSwitch(checked)
-                    }
-                }
-                onClicked: {
-                    if (!checkable) {
-                        PageController.showNotificationMessage(qsTr("Cannot change killSwitch settings during active connection"))
-                    }
                 }
             }
 

client/ui/qml/Pages2/PageSettingsKillSwitch.qml

@@ -0,0 +1,98 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import PageEnum 1.0
+import Style 1.0
+
+import "./"
+import "../Controls2"
+import "../Config"
+
+PageType {
+    id: root
+
+    BackButtonType {
+        id: backButton
+        anchors.top: parent.top
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.topMargin: 20
+    }
+
+    FlickableType {
+        id: fl
+        anchors.top: backButton.bottom
+        anchors.bottom: parent.bottom
+        contentHeight: content.height
+
+        ColumnLayout {
+            id: content
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
+
+            HeaderType {
+                Layout.fillWidth: true
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
+
+                headerText: qsTr("Kill Switch")
+                descriptionText: qsTr("Enable to ensure network traffic goes through a secure VPN tunnel, preventing accidental exposure of your IP and DNS queries if the connection drops")
+
+                showSwitcher: true
+                switcher {
+                    checked: SettingsController.isKillSwitchEnabled
+                    enabled: !ConnectionController.isConnected
+                }
+                switcherFunction: function(checked) {
+                    if (!ConnectionController.isConnected) {
+                        SettingsController.isKillSwitchEnabled = checked
+                    } else {
+                        PageController.showNotificationMessage(qsTr("Cannot change killSwitch settings during active connection"))
+                        switcher.checked = SettingsController.isKillSwitchEnabled
+                    }
+                }
+            }
+
+            VerticalRadioButton {
+                id: softKillSwitch
+                Layout.fillWidth: true
+                Layout.topMargin: 32
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
+
+                enabled: SettingsController.isKillSwitchEnabled && !ConnectionController.isConnected
+                checked: !SettingsController.strictKillSwitchEnabled
+
+                text: qsTr("Soft Kill Switch")
+                descriptionText: qsTr("Internet connection is blocked if VPN connection drops accidentally")
+
+                onClicked: {
+                    SettingsController.strictKillSwitchEnabled = false
+                }
+            }
+
+            DividerType {}
+
+            VerticalRadioButton {
+                id: strictKillSwitch
+                Layout.fillWidth: true
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
+
+                enabled: SettingsController.isKillSwitchEnabled && !ConnectionController.isConnected
+                checked: SettingsController.strictKillSwitchEnabled
+
+                text: qsTr("Strict Kill Switch")
+                descriptionText: qsTr("Internet connection is blocked even if VPN was turned off manually or not started")
+
+                onClicked: {
+                    SettingsController.strictKillSwitchEnabled = true
+                }
+            }
+
+            DividerType {}
+        }
+    }
+}