1 files changed, 164 insertions, 0 deletions
diff --git a/src/core/GpgContext.h b/src/core/GpgContext.h
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+/**
+ * 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 __SGPGMEPP_CONTEXT_H__
+#define __SGPGMEPP_CONTEXT_H__
+
+#include "GpgConstants.h"
+#include "GpgFunctionObject.h"
+#include "GpgInfo.h"
+#include "GpgModel.h"
+
+namespace GpgFrontend {
+
+/**
+ * @brief
+ *
+ */
+struct GpgContextInitArgs {
+  // make no sense for gpg2
+  bool independent_database = false;  ///<
+  std::string db_path = {};
+  bool gpg_alone = false;
+  std::string gpg_path = {};
+  bool test_mode = false;
+  bool ascii = true;
+
+  GpgContextInitArgs() = default;
+};
+
+/**
+ * @brief
+ *
+ */
+class GpgContext : public SingletonFunctionObject<GpgContext> {
+ public:
+  /**
+   * @brief Construct a new Gpg Context object
+   *
+   * @param args
+   */
+  explicit GpgContext(const GpgContextInitArgs& args = {});
+
+  /**
+   * @brief Construct a new Gpg Context object
+   *
+   * @param channel
+   */
+  explicit GpgContext(int channel)
+      : SingletonFunctionObject<GpgContext>(channel) {}
+
+  /**
+   * @brief Destroy the Gpg Context object
+   *
+   */
+  ~GpgContext() override = default;
+
+  /**
+   * @brief
+   *
+   * @return true
+   * @return false
+   */
+  [[nodiscard]] bool good() const;
+
+  /**
+   * @brief Get the Info object
+   *
+   * @return const GpgInfo&
+   */
+  [[nodiscard]] const GpgInfo& GetInfo() const { return info_; }
+
+  /**
+   * @brief
+   *
+   * @return gpgme_ctx_t
+   */
+  operator gpgme_ctx_t() const { return _ctx_ref.get(); }
+
+ private:
+  GpgInfo info_;             ///<
+  GpgContextInitArgs args_;  ///<
+
+  /**
+   * @brief
+   *
+   */
+  void init_ctx();
+
+  /**
+   * @brief
+   *
+   */
+  struct _ctx_ref_deleter {
+    void operator()(gpgme_ctx_t _ctx) {
+      if (_ctx != nullptr) gpgme_release(_ctx);
+    }
+  };
+
+  using CtxRefHandler =
+      std::unique_ptr<struct gpgme_context, _ctx_ref_deleter>;  ///<
+  CtxRefHandler _ctx_ref = nullptr;                             ///<
+  bool good_ = true;                                            ///<
+
+ public:
+  /**
+   * @brief
+   *
+   * @param opaque
+   * @param uid_hint
+   * @param passphrase_info
+   * @param last_was_bad
+   * @param fd
+   * @return gpgme_error_t
+   */
+  static gpgme_error_t test_passphrase_cb(void* opaque, const char* uid_hint,
+                                          const char* passphrase_info,
+                                          int last_was_bad, int fd);
+
+  /**
+   * @brief
+   *
+   * @param hook
+   * @param keyword
+   * @param args
+   * @return gpgme_error_t
+   */
+  static gpgme_error_t test_status_cb(void* hook, const char* keyword,
+                                      const char* args);
+
+  /**
+   * @brief Set the Passphrase Cb object
+   *
+   * @param func
+   */
+  void SetPassphraseCb(gpgme_passphrase_cb_t func) const;
+};
+}  // namespace GpgFrontend
+
+#endif  // __SGPGMEPP_CONTEXT_H__