Add methods isHardwareKeySupported and refreshHardwareKeys to DBus

src/gui/MainWindow.cpp

@@ -716,6 +716,43 @@ void MainWindow::appExit()
     close();
 }
 
+/**
+ * Returns if application was built with hardware key support.
+ * Intented to be used by 3rd-party applications using DBus.
+ *
+ * @return True if built with hardware key support, false otherwise
+ */
+bool MainWindow::isHardwareKeySupported()
+{
+#ifdef WITH_XC_YUBIKEY
+    return true;
+#else
+    return false;
+#endif
+}
+
+/**
+ * Refreshes list of hardware keys known.
+ * Triggers the DatabaseOpenWidget to automatically select the key last used for a database if found.
+ * Intented to be used by 3rd-party applications using DBus.
+ *
+ * @return True if any key was found, false otherwise or if application lacks hardware key support
+ */
+bool MainWindow::refreshHardwareKeys()
+{
+#ifdef WITH_XC_YUBIKEY
+    auto yk = YubiKey::instance();
+    // find keys sync to allow returning if any key was found
+    bool found = yk->findValidKeys();
+    // emit signal so DatabaseOpenWidget can select last used key
+    // emit here manually because sync findValidKeys() cannot do that properly
+    emit yk->detectComplete(found);
+    return found;
+#else
+    return false;
+#endif
+}
+
 void MainWindow::updateLastDatabasesMenu()
 {
     m_ui->menuRecentDatabases->clear();

src/gui/MainWindow.h

@@ -69,6 +69,8 @@ class MainWindow : public QMainWindow
 public slots:
     void openDatabase(const QString& filePath, const QString& password = {}, const QString& keyfile = {});
     void appExit();
+    bool isHardwareKeySupported();
+    bool refreshHardwareKeys();
     void displayGlobalMessage(const QString& text,
                               MessageWidget::MessageType type,
                               bool showClosebutton = true,

src/gui/org.keepassxc.KeePassXC.MainWindow.xml

@@ -15,6 +15,12 @@
     </method>
     <method name="appExit">
     </method>
+    <method name="isHardwareKeySupported">
+      <arg name="hardwareKeySupported" type="b" direction="out"/>
+    </method>
+    <method name="refreshHardwareKeys">
+      <arg name="found" type="b" direction="out"/>
+    </method>
     <method name="lockAllDatabases">
     </method>
     <method name="closeAllDatabases">