3 files changed, 113 insertions, 0 deletions
diff --git a/src/core/function/CacheManager.cpp b/src/core/function/CacheManager.cpp
new file mode 100644
index 00000000..a20b8003
--- /dev/null
+++ b/src/core/function/CacheManager.cpp
@@ -0,0 +1,66 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * 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 "CacheManager.h"
+
+#include <algorithm>
+
+#include "function/DataObjectOperator.h"
+#include "nlohmann/json_fwd.hpp"
+#include "spdlog/spdlog.h"
+
+void GpgFrontend::CacheManager::SaveCache(std::string key,
+                                          const nlohmann::json &value) {
+  auto stored_data =
+      GpgFrontend::DataObjectOperator::GetInstance().GetDataObject(
+          "__cache_data_list");
+
+  // get cache data list from file system
+  nlohmann::json cache_data_list;
+  if (stored_data.has_value()) {
+    cache_data_list = std::move(stored_data.value());
+  }
+
+  if (!cache_data_list.is_array()) {
+    cache_data_list.clear();
+  }
+
+  if (GpgFrontend::DataObjectOperator::GetInstance()
+          .SaveDataObj(key, value)
+          .empty()) {
+    return;
+  }
+
+  if (std::find(cache_data_list.begin(), cache_data_list.end(), key) ==
+      cache_data_list.end()) {
+    cache_data_list.push_back(key);
+  }
+
+  GpgFrontend::DataObjectOperator::GetInstance().SaveDataObj(
+      "__cache_data_list", cache_data_list);
+}
diff --git a/src/core/function/CacheManager.h b/src/core/function/CacheManager.h
new file mode 100644
index 00000000..e489182f
--- /dev/null
+++ b/src/core/function/CacheManager.h
@@ -0,0 +1,45 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * 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
+ *
+ */
+
+#ifndef GPGFRONTEND_CACHEMANAGER_H
+#define GPGFRONTEND_CACHEMANAGER_H
+
+namespace GpgFrontend {
+
+class CacheManager {
+ public:
+  static void SaveCache(std::string key, const nlohmann::json &value);
+
+  static nlohmann::json LoadCache(std::string name);
+
+  static void ClearAllCache();
+};
+
+}  // namespace GpgFrontend
+
+#endif
diff --git a/src/core/function/gpg/GpgAdvancedOperator.cpp b/src/core/function/gpg/GpgAdvancedOperator.cpp
index dc48410e..3cbee45d 100644
--- a/src/core/function/gpg/GpgAdvancedOperator.cpp
+++ b/src/core/function/gpg/GpgAdvancedOperator.cpp
@@ -32,6 +32,7 @@
 #include "GpgAdvancedOperator.h"
 
 #include "core/function/gpg/GpgCommandExecutor.h"
+#include "spdlog/spdlog.h"
 
 GpgFrontend::GpgAdvancedOperator::GpgAdvancedOperator(int channel)
     : SingletonFunctionObject(channel) {}
@@ -42,6 +43,7 @@ bool GpgFrontend::GpgAdvancedOperator::ClearGpgPasswordCache() {
       ctx_.GetInfo().GpgConfPath, {"--reload", "gpg-agent"},
       [&](int exit_code, const std::string &p_out, const std::string &p_err) {
         if (exit_code == 0) {
+          SPDLOG_DEBUG("gpgconf reload exit code: {}", exit_code);
           success = true;
         }
       });