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/**
* 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.
*
* Foobar 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 Foobar. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from gpg4usb-team.
* Their source code version also complies with GNU General Public License.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]> starting on May 12, 2021.
*
*/
#ifndef __SGPGMEPP_CONTEXT_H__
#define __SGPGMEPP_CONTEXT_H__
#include "GpgConstants.h"
#include "GpgFunctionObject.h"
#include "GpgInfo.h"
#include "GpgModel.h"
namespace GpgFrontend {
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;
};
/**
* Custom Encapsulation of GpgME APIs
*/
class GpgContext : public SingletonFunctionObject<GpgContext> {
public:
explicit GpgContext(const GpgContextInitArgs& args = {});
explicit GpgContext(int channel)
: SingletonFunctionObject<GpgContext>(channel) {}
~GpgContext() override = default;
[[nodiscard]] bool good() const;
[[nodiscard]] const GpgInfo& GetInfo() const { return info_; }
operator gpgme_ctx_t() const { return _ctx_ref.get(); }
private:
GpgInfo info_;
GpgContextInitArgs args_;
void init_ctx();
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:
static gpgme_error_t test_passphrase_cb(void* opaque, const char* uid_hint,
const char* passphrase_info,
int last_was_bad, int fd);
static gpgme_error_t test_status_cb(void* hook, const char* keyword,
const char* args);
void SetPassphraseCb(gpgme_passphrase_cb_t func) const;
};
} // namespace GpgFrontend
#endif // __SGPGMEPP_CONTEXT_H__
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