Mercurial > hg > orthanc
view Core/Uuid.cpp @ 1661:1a80777ad462 db-changes
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 30 Sep 2015 13:31:09 +0200 |
parents | a80e811ec619 |
children | b1291df2f780 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics * Department, University Hospital 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_); } } }