feat: add SmartCardController

1 files changed, 87 insertions, 0 deletions

diff --git a/src/core/function/gpg/GpgSmartCardManager.cpp b/src/core/function/gpg/GpgSmartCardManager.cpp
new file mode 100644
index 00000000..06010756
--- /dev/null
+++ b/src/core/function/gpg/GpgSmartCardManager.cpp
@@ -0,0 +1,87 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "GpgSmartCardManager.h"
+
+#include "core/function/gpg/GpgAutomatonHandler.h"
+
+namespace GpgFrontend {
+
+GpgSmartCardManager::GpgSmartCardManager(int channel)
+    : SingletonFunctionObject<GpgSmartCardManager>(channel) {}
+
+auto GpgSmartCardManager::Fetch(const QString& serial_number) -> bool {
+  GpgAutomatonHandler::AutomatonNextStateHandler next_state_handler =
+      [=](AutomatonState state, QString status, QString args) {
+        auto tokens = args.split(' ');
+
+        switch (state) {
+          case GpgAutomatonHandler::AS_START:
+            if (status == "CARDCTRL" && args.contains(serial_number)) {
+              return GpgAutomatonHandler::AS_START;
+            } else if (status == "GET_LINE" && args == "cardedit.prompt") {
+              return GpgAutomatonHandler::AS_COMMAND;
+            }
+            return GpgAutomatonHandler::AS_ERROR;
+          case GpgAutomatonHandler::AS_COMMAND:
+            if (status == "GET_LINE" && args == "cardedit.prompt") {
+              return GpgAutomatonHandler::AS_QUIT;
+            }
+            return GpgAutomatonHandler::AS_ERROR;
+          case GpgAutomatonHandler::AS_QUIT:
+          case GpgAutomatonHandler::AS_ERROR:
+            if (status == "GET_LINE" && args == "keyedit.prompt") {
+              return GpgAutomatonHandler::AS_QUIT;
+            }
+            return GpgAutomatonHandler::AS_ERROR;
+          default:
+            return GpgAutomatonHandler::AS_ERROR;
+        };
+      };
+
+  AutomatonActionHandler action_handler = [](AutomatonHandelStruct& handler,
+                                             AutomatonState state) {
+    switch (state) {
+      case GpgAutomatonHandler::AS_COMMAND:
+        return QString("fetch");
+      case GpgAutomatonHandler::AS_QUIT:
+        return QString("quit");
+      case GpgAutomatonHandler::AS_START:
+      case GpgAutomatonHandler::AS_ERROR:
+        return QString("");
+      default:
+        return QString("");
+    }
+    return QString("");
+  };
+
+  return GpgAutomatonHandler::GetInstance(GetChannel())
+      .DoCardInteract(next_state_handler, action_handler);
+}
+
+}  // namespace GpgFrontend
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