mpd/src/lib/xiph/VorbisPicture.cxx
2020-01-18 19:23:49 +01:00

57 lines
1.6 KiB
C++

/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "VorbisPicture.hxx"
#include "lib/crypto/Base64.hxx"
#include "tag/Id3Picture.hxx"
#include "tag/Handler.hxx"
#include "util/StringView.hxx"
#include "util/WritableBuffer.hxx"
#include "config.h"
#include <memory>
void
ScanVorbisPicture(StringView value, TagHandler &handler) noexcept
{
#ifdef HAVE_BASE64
if (value.size > 1024 * 1024)
/* ignore image files which are too huge */
return;
size_t debase64_size = CalculateBase64OutputSize(value.size);
std::unique_ptr<uint8_t[]> debase64_buffer;
debase64_buffer.reset(new uint8_t[debase64_size]);
try {
debase64_size =
DecodeBase64({debase64_buffer.get(), debase64_size},
value);
} catch (...) {
// TODO: log?
return;
}
return ScanId3Apic({debase64_buffer.get(), debase64_size}, handler);
#else
(void)value;
(void)handler;
#endif
}