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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* 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 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* 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, see <http://www.gnu.org/licenses/>.
**/
#include "PrecompiledHeaders.h"
#include "Uuid.h"
// http://stackoverflow.com/a/1626302
extern "C"
{
#ifdef WIN32
#include <rpc.h>
#else
#include <uuid/uuid.h>
#endif
}
#include <boost/filesystem.hpp>
namespace Orthanc
{
namespace Toolbox
{
std::string GenerateUuid()
{
#ifdef WIN32
UUID uuid;
UuidCreate ( &uuid );
unsigned char * str;
UuidToStringA ( &uuid, &str );
std::string s( ( char* ) str );
RpcStringFreeA ( &str );
#else
uuid_t uuid;
uuid_generate_random ( uuid );
char s[37];
uuid_unparse ( uuid, s );
#endif
return s;
}
bool IsUuid(const std::string& str)
{
if (str.size() != 36)
{
return false;
}
for (size_t i = 0; i < str.length(); i++)
{
if (i == 8 || i == 13 || i == 18 || i == 23)
{
if (str[i] != '-')
return false;
}
else
{
if (!isalnum(str[i]))
return false;
}
}
return true;
}
bool StartsWithUuid(const std::string& str)
{
if (str.size() < 36)
{
return false;
}
if (str.size() == 36)
{
return IsUuid(str);
}
assert(str.size() > 36);
if (!isspace(str[36]))
{
return false;
}
return IsUuid(str.substr(0, 36));
}
static std::string CreateTemporaryPath(const char* extension)
{
#if BOOST_HAS_FILESYSTEM_V3 == 1
boost::filesystem::path tmpDir = boost::filesystem::temp_directory_path();
#elif defined(__linux__)
boost::filesystem::path tmpDir("/tmp");
#else
#error Support your platform here
#endif
// We use UUID to create unique path to temporary files
std::string filename = "Orthanc-" + Orthanc::Toolbox::GenerateUuid();
if (extension != NULL)
{
filename.append(extension);
}
tmpDir /= filename;
return tmpDir.string();
}
TemporaryFile::TemporaryFile() :
path_(CreateTemporaryPath(NULL))
{
}
TemporaryFile::TemporaryFile(const char* extension) :
path_(CreateTemporaryPath(extension))
{
}
TemporaryFile::~TemporaryFile()
{
boost::filesystem::remove(path_);
}
}
}
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