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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 <assuan.h>
#include "core/function/gpg/GpgContext.h"
namespace GpgFrontend {
class GPGFRONTEND_CORE_EXPORT GpgAssuanHelper
: public SingletonFunctionObject<GpgAssuanHelper> {
public:
struct AssuanCallbackContext;
using DataCallback =
std::function<gpg_error_t(QSharedPointer<AssuanCallbackContext>)>;
using InqueryCallback =
std::function<gpg_error_t(QSharedPointer<AssuanCallbackContext>)>;
using StatusCallback =
std::function<gpg_error_t(QSharedPointer<AssuanCallbackContext>)>;
struct AssuanCallbackContext {
GpgAssuanHelper* self;
GpgComponentType component_type;
assuan_context_t ctx;
QByteArray buffer;
QString status;
QString inquery;
DataCallback data_cb;
InqueryCallback inquery_cb;
StatusCallback status_cb;
[[nodiscard]] auto SendData(const QByteArray& b) const -> gpg_error_t;
};
/**
* @brief Construct a new Gpg Assuan Helper object
*
* @param channel
*/
explicit GpgAssuanHelper(int channel);
/**
* @brief Destroy the Gpg Assuan Helper object
*
*/
~GpgAssuanHelper();
/**
* @brief
*
* @return true
* @return false
*/
auto ConnectToSocket(GpgComponentType) -> bool;
/**
* @brief
*
* @param type
* @param command
* @param data_cb
* @param inquery_cb
* @param status_cb
* @return true
* @return false
*/
auto SendCommand(GpgComponentType type, const QString& command,
DataCallback data_cb, InqueryCallback inquery_cb,
StatusCallback status_cb) -> bool;
/**
* @brief
*
* @param type
* @param command
* @return std::tuple<bool, QStringList>
*/
auto SendStatusCommand(GpgComponentType type, const QString& command)
-> std::tuple<bool, QStringList>;
private:
GpgContext& ctx_ =
GpgContext::GetInstance(SingletonFunctionObject::GetChannel());
QMap<GpgComponentType, assuan_context_t> assuan_ctx_;
QByteArray temp_data_;
QString temp_status_;
QString gpgconf_path_;
/**
* @brief
*
* @param type
*/
void launch_component(GpgComponentType type);
/**
* @brief
*
* @param type
* @return QString
*/
static auto component_type_to_q_string(GpgComponentType type) -> QString;
/**
* @brief
*
* @param opaque
* @param buffer
* @param length
* @return gpgme_error_t
*/
static auto simple_data_callback(void* opaque, const void* buffer,
size_t length) -> gpgme_error_t;
/**
* @brief
*
* @param opaque
* @param buffer
* @param length
* @return gpgme_error_t
*/
static auto default_data_callback(void* opaque, const void* buffer,
size_t length) -> gpgme_error_t;
/**
* @brief
*
* @param opaque
* @param status
* @return gpgme_error_t
*/
static auto default_status_callback(void* opaque,
const char* status) -> gpgme_error_t;
/**
* @brief
*
* @param opaque
* @param inquery
* @return gpgme_error_t
*/
static auto default_inquery_callback(void* opaque,
const char* inquery) -> gpgme_error_t;
};
}; // namespace GpgFrontend
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