Mercurial > hg > orthanc
annotate Core/Uuid.cpp @ 1768:70f544f9c38f
fix possible deadlock in custom database plugins
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 09 Nov 2015 17:39:42 +0100 |
| parents | a80e811ec619 |
| children | b1291df2f780 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
| 0 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
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33 #include "PrecompiledHeaders.h" |
| 0 | 34 #include "Uuid.h" |
| 35 | |
| 36 // http://stackoverflow.com/a/1626302 | |
| 37 | |
| 38 extern "C" | |
| 39 { | |
| 40 #ifdef WIN32 | |
| 41 #include <rpc.h> | |
| 42 #else | |
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43 #include <uuid/uuid.h> |
| 0 | 44 #endif |
| 45 } | |
| 46 | |
| 82 | 47 #include <boost/filesystem.hpp> |
| 48 | |
| 59 | 49 namespace Orthanc |
| 0 | 50 { |
| 51 namespace Toolbox | |
| 52 { | |
| 53 std::string GenerateUuid() | |
| 54 { | |
| 55 #ifdef WIN32 | |
| 56 UUID uuid; | |
| 57 UuidCreate ( &uuid ); | |
| 58 | |
| 59 unsigned char * str; | |
| 60 UuidToStringA ( &uuid, &str ); | |
| 61 | |
| 62 std::string s( ( char* ) str ); | |
| 63 | |
| 64 RpcStringFreeA ( &str ); | |
| 65 #else | |
| 66 uuid_t uuid; | |
| 67 uuid_generate_random ( uuid ); | |
| 68 char s[37]; | |
| 69 uuid_unparse ( uuid, s ); | |
| 70 #endif | |
| 71 return s; | |
| 72 } | |
| 73 | |
| 74 | |
| 75 bool IsUuid(const std::string& str) | |
| 76 { | |
| 77 if (str.size() != 36) | |
| 78 { | |
| 79 return false; | |
| 80 } | |
| 81 | |
| 82 for (size_t i = 0; i < str.length(); i++) | |
| 83 { | |
| 84 if (i == 8 || i == 13 || i == 18 || i == 23) | |
| 85 { | |
| 86 if (str[i] != '-') | |
| 87 return false; | |
| 88 } | |
| 89 else | |
| 90 { | |
| 91 if (!isalnum(str[i])) | |
| 92 return false; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 return true; | |
| 97 } | |
| 82 | 98 |
| 99 | |
| 402 | 100 bool StartsWithUuid(const std::string& str) |
| 101 { | |
| 102 if (str.size() < 36) | |
| 103 { | |
| 104 return false; | |
| 105 } | |
| 106 | |
| 107 if (str.size() == 36) | |
| 108 { | |
| 109 return IsUuid(str); | |
| 110 } | |
| 111 | |
| 112 assert(str.size() > 36); | |
| 113 if (!isspace(str[36])) | |
| 114 { | |
| 115 return false; | |
| 116 } | |
| 117 | |
| 118 return IsUuid(str.substr(0, 36)); | |
| 119 } | |
| 120 | |
| 121 | |
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122 static std::string CreateTemporaryPath(const char* extension) |
| 82 | 123 { |
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124 #if BOOST_HAS_FILESYSTEM_V3 == 1 |
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125 boost::filesystem::path tmpDir = boost::filesystem::temp_directory_path(); |
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126 #elif defined(__linux__) |
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127 boost::filesystem::path tmpDir("/tmp"); |
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128 #else |
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129 #error Support your platform here |
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130 #endif |
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131 |
| 82 | 132 // We use UUID to create unique path to temporary files |
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133 std::string filename = "Orthanc-" + Orthanc::Toolbox::GenerateUuid(); |
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134 |
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135 if (extension != NULL) |
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136 { |
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137 filename.append(extension); |
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138 } |
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139 |
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140 tmpDir /= filename; |
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141 return tmpDir.string(); |
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142 } |
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143 |
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144 |
| 656 | 145 TemporaryFile::TemporaryFile() : |
| 146 path_(CreateTemporaryPath(NULL)) | |
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147 { |
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148 } |
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149 |
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150 |
| 656 | 151 TemporaryFile::TemporaryFile(const char* extension) : |
| 152 path_(CreateTemporaryPath(extension)) | |
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153 { |
| 82 | 154 } |
| 155 | |
| 156 | |
| 157 TemporaryFile::~TemporaryFile() | |
| 158 { | |
| 159 boost::filesystem::remove(path_); | |
| 160 } | |
| 0 | 161 } |
| 162 } |