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/**
* 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.
*
* Foobar 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 Foobar. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from gpg4usb-team.
* Their source code version also complies with GNU General Public License.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]> starting on May 12, 2021.
*
*/
#include "gpg/model/GpgData.h"
GpgFrontend::GpgData::GpgData() {
gpgme_data_t data;
auto err = gpgme_data_new(&data);
assert(gpgme_err_code(err) == GPG_ERR_NO_ERROR);
data_ =
std::unique_ptr<struct gpgme_data, __data_ref_deletor>(std::move(data));
}
GpgFrontend::GpgData::GpgData(void* buffer, size_t size, bool copy) {
gpgme_data_t data;
auto err = gpgme_data_new_from_mem(&data, (const char*)buffer, size, copy);
assert(gpgme_err_code(err) == GPG_ERR_NO_ERROR);
data_ =
std::unique_ptr<struct gpgme_data, __data_ref_deletor>(std::move(data));
}
/**
* Read gpgme-Data to QByteArray
* mainly from http://basket.kde.org/ (kgpgme.cpp)
*/
#define BUF_SIZE (32 * 1024)
GpgFrontend::ByteArrayPtr GpgFrontend::GpgData::Read2Buffer() {
gpgme_off_t ret = gpgme_data_seek(*this, 0, SEEK_SET);
ByteArrayPtr out_buffer = std::make_unique<std::string>();
if (ret) {
gpgme_error_t err = gpgme_err_code_from_errno(errno);
assert(gpgme_err_code(err) == GPG_ERR_NO_ERROR);
} else {
char buf[BUF_SIZE + 2];
while ((ret = gpgme_data_read(*this, buf, BUF_SIZE)) > 0) {
const size_t size = out_buffer->size();
out_buffer->resize(static_cast<int>(size + ret));
memcpy(out_buffer->data() + size, buf, ret);
}
if (ret < 0) {
gpgme_error_t err = gpgme_err_code_from_errno(errno);
assert(gpgme_err_code(err) == GPG_ERR_NO_ERROR);
}
}
return out_buffer;
}
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