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/**
* Copyright (C) 2021 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
*
*/
#include "GpgFileOpera.h"
#include <memory>
#include <string>
#include "GpgBasicOperator.h"
#include "GpgConstants.h"
#include "function/FileOperator.h"
GpgFrontend::GpgFileOpera::GpgFileOpera(int channel)
: SingletonFunctionObject<GpgFileOpera>(channel) {}
GpgFrontend::GpgError GpgFrontend::GpgFileOpera::EncryptFile(
KeyListPtr keys, const std::string& in_path, const std::string& out_path,
GpgEncrResult& result, int _channel) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer = nullptr;
auto err = GpgBasicOperator::GetInstance(_channel).Encrypt(
std::move(keys), in_buffer, out_buffer, result);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write_buffer_to_file error");
};
return err;
}
GpgFrontend::GpgError GpgFrontend::GpgFileOpera::DecryptFile(
const std::string& in_path, const std::string& out_path,
GpgDecrResult& result) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer;
auto err =
GpgBasicOperator::GetInstance().Decrypt(in_buffer, out_buffer, result);
assert(check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write_buffer_to_file error");
};
return err;
}
gpgme_error_t GpgFrontend::GpgFileOpera::SignFile(KeyListPtr keys,
const std::string& in_path,
const std::string& out_path,
GpgSignResult& result,
int _channel) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer;
auto err = GpgBasicOperator::GetInstance(_channel).Sign(
std::move(keys), in_buffer, out_buffer, GPGME_SIG_MODE_DETACH, result);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write_buffer_to_file error");
};
return err;
}
gpgme_error_t GpgFrontend::GpgFileOpera::VerifyFile(
const std::string& data_path, const std::string& sign_path,
GpgVerifyResult& result, int _channel) {
#ifdef WINDOWS
auto data_path_std =
std::filesystem::path(QString::fromStdString(data_path).toStdU16String());
auto sign_path_std =
std::filesystem::path(QString::fromStdString(sign_path).toStdU16String());
#else
auto data_path_std = std::filesystem::path(data_path);
auto sign_path_std = std::filesystem::path(sign_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(data_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> sign_buffer = nullptr;
if (!sign_path.empty()) {
std::string sign_buffer_str;
if (!FileOperator::ReadFileStd(sign_path_std, sign_buffer_str)) {
throw std::runtime_error("read file error");
}
sign_buffer = std::make_unique<std::string>(sign_buffer_str);
}
auto err = GpgBasicOperator::GetInstance(_channel).Verify(
in_buffer, sign_buffer, result);
return err;
}
gpg_error_t GpgFrontend::GpgFileOpera::EncryptSignFile(
KeyListPtr keys, KeyListPtr signer_keys, const std::string& in_path,
const std::string& out_path, GpgEncrResult& encr_res,
GpgSignResult& sign_res, int _channel) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer = nullptr;
auto err = GpgBasicOperator::GetInstance(_channel).EncryptSign(
std::move(keys), std::move(signer_keys), in_buffer, out_buffer, encr_res,
sign_res);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write_buffer_to_file error");
};
return err;
}
gpg_error_t GpgFrontend::GpgFileOpera::DecryptVerifyFile(
const std::string& in_path, const std::string& out_path,
GpgDecrResult& decr_res, GpgVerifyResult& verify_res) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer = nullptr;
auto err = GpgBasicOperator::GetInstance().DecryptVerify(
in_buffer, out_buffer, decr_res, verify_res);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write file error");
};
return err;
}
unsigned int GpgFrontend::GpgFileOpera::EncryptFileSymmetric(
const std::string& in_path, const std::string& out_path,
GpgFrontend::GpgEncrResult& result, int _channel) {
#ifdef WINDOWS
auto in_path_std =
std::filesystem::path(QString::fromStdString(in_path).toStdU16String());
auto out_path_std =
std::filesystem::path(QString::fromStdString(out_path).toStdU16String());
#else
auto in_path_std = std::filesystem::path(in_path);
auto out_path_std = std::filesystem::path(out_path);
#endif
std::string in_buffer;
if (!FileOperator::ReadFileStd(in_path_std, in_buffer)) {
throw std::runtime_error("read file error");
}
std::unique_ptr<std::string> out_buffer;
auto err = GpgBasicOperator::GetInstance(_channel).EncryptSymmetric(
in_buffer, out_buffer, result);
if (check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR)
if (!FileOperator::WriteFileStd(out_path_std, *out_buffer)) {
throw std::runtime_error("write_buffer_to_file error");
};
return err;
}
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