<refactor>(src): Move and split the Global Settings Station

1. Move Global Settings Station to core
2. Separate the logic of DataObject
3. Resolve dependencies

1 files changed, 232 insertions, 0 deletions

diff --git a/src/core/function/GlobalSettingStation.h b/src/core/function/GlobalSettingStation.h
new file mode 100644
index 00000000..d6521c8a
--- /dev/null
+++ b/src/core/function/GlobalSettingStation.h
@@ -0,0 +1,232 @@
+/**
+ * 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_GLOBALSETTINGSTATION_H
+#define GPGFRONTEND_GLOBALSETTINGSTATION_H
+
+#include <openssl/x509.h>
+
+#include <boost/filesystem/operations.hpp>
+#include <boost/filesystem/path.hpp>
+
+#include "GpgFrontendBuildInstallInfo.h"
+#include "core/GpgFrontendCore.h"
+#include "core/GpgFunctionObject.h"
+
+namespace vmime::security::cert {
+class defaultCertificateVerifier;
+class X509Certificate;
+}  // namespace vmime::security::cert
+
+namespace GpgFrontend {
+
+/**
+ * @brief
+ *
+ */
+class GlobalSettingStation
+    : public SingletonFunctionObject<GlobalSettingStation> {
+ public:
+  /**
+   * @brief Construct a new Global Setting Station object
+   *
+   */
+  explicit GlobalSettingStation(
+      int channel = SingletonFunctionObject::GetDefaultChannel()) noexcept;
+
+  /**
+   * @brief Destroy the Global Setting Station object
+   *
+   */
+  ~GlobalSettingStation() noexcept override;
+
+  /**
+   * @brief
+   *
+   * @return libconfig::Setting&
+   */
+  libconfig::Setting &GetUISettings() noexcept { return ui_cfg_.getRoot(); }
+
+  /**
+   * @brief Get the App Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetAppDir() const { return app_path_; }
+
+  [[nodiscard]] std::filesystem::path GetAppDataPath() const {
+    return app_data_path_;
+  }
+
+  /**
+   * @brief Get the Log Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetLogDir() const {
+    return app_log_path_;
+  }
+
+  /**
+   * @brief Get the Standalone Database Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetStandaloneDatabaseDir() const {
+    auto db_path = app_configure_path_ / "db";
+    if (!std::filesystem::exists(db_path)) {
+      std::filesystem::create_directory(db_path);
+    }
+    return db_path;
+  }
+
+  [[nodiscard]] std::filesystem::path GetAppConfigPath() const {
+    return app_configure_path_;
+  }
+
+  /**
+   * @brief Get the Standalone Gpg Bin Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetStandaloneGpgBinDir() const {
+    return app_resource_path_ / "gpg1.4" / "gpg";
+  }
+
+  /**
+   * @brief Get the Locale Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetLocaleDir() const {
+    return app_locale_path_;
+  }
+
+  /**
+   * @brief Get the Resource Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetResourceDir() const {
+    return app_resource_path_;
+  }
+
+  /**
+   * @brief Get the Certs Dir object
+   *
+   * @return std::filesystem::path
+   */
+  [[nodiscard]] std::filesystem::path GetCertsDir() const {
+    return app_resource_path_ / "certs";
+  }
+
+  /**
+   * @brief Get the Cert Verifier object
+   *
+   * @return std::shared_ptr<
+   * vmime::security::cert::defaultCertificateVerifier>
+   */
+  [[nodiscard]] std::shared_ptr<
+      vmime::security::cert::defaultCertificateVerifier>
+  GetCertVerifier() const;
+
+  /**
+   * @brief
+   *
+   * @param path
+   */
+  void AddRootCert(const std::filesystem::path &path);
+
+  /**
+   * @brief Get the Root Certs object
+   *
+   * @return const std::vector<std::shared_ptr<X509>>&
+   */
+  const std::vector<std::shared_ptr<X509>> &GetRootCerts();
+
+  /**
+   * @brief
+   *
+   */
+  void ResetRootCerts() { root_certs_.clear(); }
+
+  /**
+   * @brief sync the settings to the file
+   *
+   */
+  void SyncSettings() noexcept;
+
+ private:
+  std::filesystem::path app_path_ =
+      qApp->applicationDirPath().toStdString();  ///< Program Location
+  std::filesystem::path app_data_path_ =
+      QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation)
+          .toStdString();  ///< Program Data Location
+  std::filesystem::path app_log_path_ =
+      app_data_path_ / "logs";  ///< Program Data Location
+  std::filesystem::path app_data_objs_path_ =
+      app_data_path_ / "objs";  ///< Object storage path
+
+#ifdef LINUX_INSTALL_BUILD
+  std::filesystem::path app_resource_path_ =
+      std::filesystem::path(APP_LOCALSTATE_PATH) /
+      "gpgfrontend";  ///< Program Data Location
+#else
+  std::filesystem::path app_resource_path_ =
+      RESOURCE_DIR_BOOST_PATH(app_path_);  ///< Program Data Location
+#endif
+
+#ifdef LINUX_INSTALL_BUILD
+  std::filesystem::path app_locale_path_ =
+      std::string(APP_LOCALE_PATH);  ///< Program Data Location
+#else
+  std::filesystem::path app_locale_path_ =
+      app_resource_path_ / "locales";  ///< Program Data Location
+#endif
+
+  std::filesystem::path app_configure_path_ =
+      QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation)
+          .toStdString();  ///< Program Configure Location
+  std::filesystem::path ui_config_dir_path_ =
+      app_configure_path_ /
+      "UserInterface";  ///< Configure File Directory Location
+  std::filesystem::path ui_config_path_ =
+      ui_config_dir_path_ / "ui.cfg";  ///< UI Configure File Location
+
+  libconfig::Config ui_cfg_;                       ///<
+  std::vector<std::shared_ptr<X509>> root_certs_;  ///<
+
+  /**
+   * @brief
+   *
+   */
+  void init_app_secure_key();
+};
+}  // namespace GpgFrontend
+
+#endif  // GPGFRONTEND_GLOBALSETTINGSTATION_H