Mercurial > hg > orthanc-wsi
diff Framework/Orthanc/Core/Uuid.cpp @ 1:dc730d11b101
orthanc dependencies
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Sat, 22 Oct 2016 21:50:15 +0200 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Orthanc/Core/Uuid.cpp Sat Oct 22 21:50:15 2016 +0200 @@ -0,0 +1,162 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 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_); + } + } +}