forked from jiuyuan/JYCache
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
|
/*
|
||
|
* s3fs - FUSE-based file system backed by Amazon S3
|
||
|
*
|
||
|
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
|
||
|
*
|
||
|
* 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 <cstdio>
|
||
|
#include <string>
|
||
|
|
||
|
#include "s3fs_auth.h"
|
||
|
#include "string_util.h"
|
||
|
|
||
|
//-------------------------------------------------------------------
|
||
|
// Utility Function
|
||
|
//-------------------------------------------------------------------
|
||
|
std::string s3fs_get_content_md5(int fd)
|
||
|
{
|
||
|
md5_t md5;
|
||
|
if(!s3fs_md5_fd(fd, 0, -1, &md5)){
|
||
|
// TODO: better return value?
|
||
|
return "";
|
||
|
}
|
||
|
return s3fs_base64(md5.data(), md5.size());
|
||
|
}
|
||
|
|
||
|
std::string s3fs_sha256_hex_fd(int fd, off_t start, off_t size)
|
||
|
{
|
||
|
sha256_t sha256;
|
||
|
|
||
|
if(!s3fs_sha256_fd(fd, start, size, &sha256)){
|
||
|
// TODO: better return value?
|
||
|
return "";
|
||
|
}
|
||
|
|
||
|
std::string sha256hex = s3fs_hex_lower(sha256.data(), sha256.size());
|
||
|
|
||
|
return sha256hex;
|
||
|
}
|
||
|
|
||
|
|
||
|
std::string s3fs_get_content_md5(off_t fsize, char* buf) {
|
||
|
md5_t md5;
|
||
|
if(!s3fs_md5(reinterpret_cast<unsigned char*>(buf), fsize, &md5)){
|
||
|
// TODO: better return value?
|
||
|
return "";
|
||
|
}
|
||
|
return s3fs_base64(md5.data(), md5.size());
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Local variables:
|
||
|
* tab-width: 4
|
||
|
* c-basic-offset: 4
|
||
|
* End:
|
||
|
* vim600: expandtab sw=4 ts=4 fdm=marker
|
||
|
* vim<600: expandtab sw=4 ts=4
|
||
|
*/
|