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/**
* 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
*
*/
#pragma once
#include <functional>
#include "core/function/basic/GpgFunctionObject.h"
#include "core/function/gpg/GpgContext.h"
#include "core/typedef/GpgTypedef.h"
namespace GpgFrontend {
/**
* @brief
*
*/
class GPGFRONTEND_CORE_EXPORT GpgKeyManager
: public SingletonFunctionObject<GpgKeyManager> {
public:
/**
* @brief Construct a new Gpg Key Manager object
*
* @param channel
*/
explicit GpgKeyManager(
int channel = SingletonFunctionObject::GetDefaultChannel());
/**
* @brief Sign a key pair(actually a certain uid)
* @param target target key pair
* @param uid target
* @param expires expire date and time of the signature
* @return if successful
*/
auto SignKey(const GpgKey& target, KeyArgsList& keys, const QString& uid,
const std::unique_ptr<QDateTime>& expires) -> bool;
/**
* @brief
*
* @param key
* @param signature_id
* @return true
* @return false
*/
auto RevSign(const GpgFrontend::GpgKey& key,
const GpgFrontend::SignIdArgsListPtr& signature_id) -> bool;
/**
* @brief Set the Expire object
*
* @param key
* @param subkey
* @param expires
* @return true
* @return false
*/
auto SetExpire(const GpgKey& key, std::unique_ptr<GpgSubKey>& subkey,
std::unique_ptr<QDateTime>& expires) -> bool;
/**
* @brief
*
* @return
*/
auto SetOwnerTrustLevel(const GpgKey& key, int trust_level) -> bool;
/**
* @brief
*
* @param key
* @param subkey_index
* @return true
* @return false
*/
auto DeleteSubkey(const GpgKey& key, int subkey_index) -> bool;
/**
* @brief
*
* @param key
* @param subkey_index
* @return true
* @return false
*/
auto RevokeSubkey(const GpgKey& key, int subkey_index, int reason_code,
const QString& reason_text) -> bool;
private:
static auto interactor_cb_fnc(void* handle, const char* status,
const char* args, int fd) -> gpgme_error_t;
using Command = QString;
using AutomatonState = enum {
AS_START,
AS_SELECT,
AS_COMMAND,
AS_VALUE,
AS_REASON_CODE,
AS_REASON_TEXT,
AS_REALLY_ULTIMATE,
AS_SAVE,
AS_ERROR,
AS_QUIT,
};
struct AutomatonHandelStruct;
using AutomatonActionHandler =
std::function<Command(AutomatonHandelStruct&, AutomatonState)>;
using AutomatonNextStateHandler =
std::function<AutomatonState(AutomatonState, QString, QString)>;
struct AutomatonHandelStruct {
void SetStatus(AutomatonState next_state) { current_state_ = next_state; }
auto CurrentStatus() -> AutomatonState { return current_state_; }
void SetHandler(AutomatonNextStateHandler next_state_handler,
AutomatonActionHandler action_handler) {
next_state_handler_ = std::move(next_state_handler);
action_handler_ = std::move(action_handler);
}
auto NextState(QString gpg_status, QString args) -> AutomatonState {
return next_state_handler_(current_state_, std::move(gpg_status),
std::move(args));
}
auto Action() -> Command { return action_handler_(*this, current_state_); }
void SetSuccess(bool success) { success_ = success; }
[[nodiscard]] auto Success() const -> bool { return success_; }
auto KeyFpr() -> QString { return key_fpr_; }
explicit AutomatonHandelStruct(QString key_fpr)
: key_fpr_(std::move(key_fpr)) {}
private:
AutomatonState current_state_ = AS_START;
AutomatonNextStateHandler next_state_handler_;
AutomatonActionHandler action_handler_;
bool success_ = false;
QString key_fpr_;
};
GpgContext& ctx_ =
GpgContext::GetInstance(SingletonFunctionObject::GetChannel()); ///<
};
} // namespace GpgFrontend
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