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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
*
*/
#include "GpgUtils.h"
namespace GpgFrontend {
inline auto Trim(QString& s) -> QString { return s.trimmed(); }
auto GetGpgmeErrorString(size_t buffer_size, gpgme_error_t err) -> QString {
std::vector<char> buffer(buffer_size);
gpgme_error_t const ret = gpgme_strerror_r(err, buffer.data(), buffer.size());
if (ret == ERANGE && buffer_size < 1024) {
return GetGpgmeErrorString(buffer_size * 2, err);
}
return {buffer.data()};
}
auto GetGpgmeErrorString(gpgme_error_t err) -> QString {
return GetGpgmeErrorString(64, err);
}
auto CheckGpgError(GpgError err) -> GpgError {
auto err_code = gpg_err_code(err);
if (err_code != GPG_ERR_NO_ERROR) {
qCWarning(core) << "gpg operation failed [error code: " << err_code
<< "], source: " << gpgme_strsource(err)
<< " description: " << GetGpgmeErrorString(err);
}
return err_code;
}
auto CheckGpgError2ErrCode(GpgError err, GpgError predict) -> GpgErrorCode {
auto err_code = gpg_err_code(err);
if (err_code != gpg_err_code(predict)) {
if (err_code == GPG_ERR_NO_ERROR) {
qCInfo(core) << "[Warning " << gpg_err_code(err)
<< "] Source: " << gpgme_strsource(err)
<< " description: " << GetGpgmeErrorString(err)
<< " predict: " << GetGpgmeErrorString(predict);
} else {
qCWarning(core) << "[Error " << gpg_err_code(err)
<< "] Source: " << gpgme_strsource(err)
<< " description: " << GetGpgmeErrorString(err)
<< " predict: " << GetGpgmeErrorString(predict);
}
}
return err_code;
}
auto DescribeGpgErrCode(GpgError err) -> GpgErrorDesc {
return {gpgme_strsource(err), GetGpgmeErrorString(err)};
}
auto CheckGpgError(GpgError err, const QString& /*comment*/) -> GpgError {
if (gpg_err_code(err) != GPG_ERR_NO_ERROR) {
qCWarning(core) << "[Error " << gpg_err_code(err)
<< "] Source: " << gpgme_strsource(err)
<< " description: " << GetGpgmeErrorString(err);
}
return err;
}
auto TextIsSigned(QString text) -> int {
auto trim_text = Trim(text);
if (trim_text.startsWith(PGP_SIGNED_BEGIN) &&
trim_text.endsWith(PGP_SIGNED_END)) {
return 2;
}
if (text.contains(PGP_SIGNED_BEGIN) && text.contains(PGP_SIGNED_END)) {
return 1;
}
return 0;
}
auto SetExtensionOfOutputFile(const QString& path, GpgOperation opera,
bool ascii) -> QString {
auto file_info = QFileInfo(path);
QString new_extension;
QString current_extension = file_info.suffix();
if (ascii) {
switch (opera) {
case kENCRYPT:
case kSIGN:
case kENCRYPT_SIGN:
new_extension = current_extension + ".asc";
break;
default:
break;
}
} else {
switch (opera) {
case kENCRYPT:
case kENCRYPT_SIGN:
new_extension = current_extension + ".gpg";
break;
case kSIGN:
new_extension = current_extension + ".sig";
break;
default:
break;
}
}
if (!new_extension.isEmpty()) {
return file_info.absolutePath() + "/" + file_info.completeBaseName() + "." +
new_extension;
}
return file_info.absolutePath() + "/" + file_info.completeBaseName();
}
auto SetExtensionOfOutputFileForArchive(const QString& path, GpgOperation opera,
bool ascii) -> QString {
QString extension;
auto file_info = QFileInfo(path);
if (ascii) {
switch (opera) {
case kENCRYPT:
case kENCRYPT_SIGN:
if (file_info.completeSuffix() != "tar") extension += ".tar";
extension += ".asc";
return QFileInfo(path).absoluteFilePath() + extension;
break;
default:
break;
}
} else {
switch (opera) {
case kENCRYPT:
case kENCRYPT_SIGN:
if (file_info.completeSuffix() != "tar") extension += ".tar";
extension += ".gpg";
return QFileInfo(path).absoluteFilePath() + extension;
break;
default:
break;
}
}
return file_info.absolutePath() + "/" + file_info.baseName();
}
} // namespace GpgFrontend
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