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/**
* Copyright (C) 2021 Saturneric
*
* 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 "core/GpgConstants.h"
#include <boost/algorithm/string/predicate.hpp>
#include "function/FileOperator.h"
const char* GpgFrontend::GpgConstants::PGP_CRYPT_BEGIN =
"-----BEGIN PGP MESSAGE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_CRYPT_END =
"-----END PGP MESSAGE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_SIGNED_BEGIN =
"-----BEGIN PGP SIGNED MESSAGE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_SIGNED_END =
"-----END PGP SIGNATURE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_SIGNATURE_BEGIN =
"-----BEGIN PGP SIGNATURE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_SIGNATURE_END =
"-----END PGP SIGNATURE-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_PUBLIC_KEY_BEGIN =
"-----BEGIN PGP PUBLIC KEY BLOCK-----"; ///<
const char* GpgFrontend::GpgConstants::PGP_PRIVATE_KEY_BEGIN =
"-----BEGIN PGP PRIVATE KEY BLOCK-----"; ///<
const char* GpgFrontend::GpgConstants::GPG_FRONTEND_SHORT_CRYPTO_HEAD =
"GpgF_Scpt://"; ///<
gpgme_error_t GpgFrontend::check_gpg_error(gpgme_error_t err) {
if (gpg_err_code(err) != GPG_ERR_NO_ERROR) {
LOG(ERROR) << "[" << _("Error") << gpg_err_code(err) << "]" << _("Source: ")
<< gpgme_strsource(err) << _("Description: ")
<< gpgme_strerror(err);
}
return err;
}
gpg_err_code_t GpgFrontend::check_gpg_error_2_err_code(gpgme_error_t err,
gpgme_error_t predict) {
auto err_code = gpg_err_code(err);
if (err_code != gpg_err_code(predict)) {
if (err_code == GPG_ERR_NO_ERROR)
LOG(WARNING) << "[" << _("Warning") << gpg_err_code(err) << "]"
<< _("Source: ") << gpgme_strsource(err)
<< _("Description: ") << gpgme_strerror(err) << _("Predict")
<< gpgme_strerror(err);
else
LOG(ERROR) << "[" << _("Error") << gpg_err_code(err) << "]"
<< _("Source: ") << gpgme_strsource(err) << _("Description: ")
<< gpgme_strerror(err) << _("Predict") << gpgme_strerror(err);
}
return err_code;
}
gpgme_error_t GpgFrontend::check_gpg_error(gpgme_error_t err,
const std::string& comment) {
if (gpg_err_code(err) != GPG_ERR_NO_ERROR) {
LOG(ERROR) << "[" << _("Error") << gpg_err_code(err) << "]" << _("Source: ")
<< gpgme_strsource(err) << _("Description: ")
<< gpgme_strerror(err);
}
return err;
}
std::string GpgFrontend::beautify_fingerprint(
GpgFrontend::BypeArrayConstRef fingerprint) {
auto len = fingerprint.size();
std::stringstream out;
decltype(len) count = 0;
while (count < len) {
if (count && !(count % 5)) out << " ";
out << fingerprint[count];
count++;
}
return out.str();
}
static inline void ltrim(std::string& s) {
s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
return !std::isspace(ch);
}));
}
static inline void rtrim(std::string& s) {
s.erase(std::find_if(s.rbegin(), s.rend(),
[](unsigned char ch) { return !std::isspace(ch); })
.base(),
s.end());
}
static inline std::string trim(std::string& s) {
ltrim(s);
rtrim(s);
return s;
}
std::string GpgFrontend::read_all_data_in_file(const std::string& utf8_path) {
std::string data;
FileOperator::ReadFileStd(utf8_path, data);
return data;
}
bool GpgFrontend::write_buffer_to_file(const std::string& utf8_path,
const std::string& out_buffer) {
return FileOperator::WriteFileStd(utf8_path, out_buffer);
}
std::string GpgFrontend::get_file_extension(const std::string& path) {
// Create a path object from given string
std::filesystem::path path_obj(path);
// Check if file name in the path object has extension
if (path_obj.has_extension()) {
// Fetch the extension from path object and return
return path_obj.extension().u8string();
}
// In case of no extension return empty string
return {};
}
std::string GpgFrontend::get_only_file_name_with_path(const std::string& path) {
// Create a path object from given string
std::filesystem::path path_obj(path);
// Check if file name in the path object has extension
if (path_obj.has_filename()) {
// Fetch the extension from path object and return
return (path_obj.parent_path() / path_obj.stem()).u8string();
}
// In case of no extension return empty string
return {};
}
int GpgFrontend::text_is_signed(GpgFrontend::BypeArrayRef text) {
using boost::algorithm::ends_with;
using boost::algorithm::starts_with;
auto trim_text = trim(text);
if (starts_with(trim_text, GpgConstants::PGP_SIGNED_BEGIN) &&
ends_with(trim_text, GpgConstants::PGP_SIGNED_END))
return 2;
else if (text.find(GpgConstants::PGP_SIGNED_BEGIN) != std::string::npos &&
text.find(GpgConstants::PGP_SIGNED_END) != std::string::npos)
return 1;
else
return 0;
}
GpgFrontend::GpgEncrResult GpgFrontend::_new_result(
gpgme_encrypt_result_t&& result) {
gpgme_result_ref(result);
return {result, _result_ref_deletor()};
}
GpgFrontend::GpgDecrResult GpgFrontend::_new_result(
gpgme_decrypt_result_t&& result) {
gpgme_result_ref(result);
return {result, _result_ref_deletor()};
}
GpgFrontend::GpgSignResult GpgFrontend::_new_result(
gpgme_sign_result_t&& result) {
gpgme_result_ref(result);
return {result, _result_ref_deletor()};
}
GpgFrontend::GpgVerifyResult GpgFrontend::_new_result(
gpgme_verify_result_t&& result) {
gpgme_result_ref(result);
return {result, _result_ref_deletor()};
}
GpgFrontend::GpgGenKeyResult GpgFrontend::_new_result(
gpgme_genkey_result_t&& result) {
gpgme_result_ref(result);
return {result, _result_ref_deletor()};
}
void GpgFrontend::_result_ref_deletor::operator()(void* _result) {
DLOG(INFO) << _("Called") << _result;
if (_result != nullptr) gpgme_result_unref(_result);
}
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