78
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1 /**
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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
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "PrecompiledHeaders.h"
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34 #include "Toolbox.h"
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35
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36 #include "OrthancException.h"
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37 #include "Logging.h"
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38
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39 #include <string>
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40 #include <stdint.h>
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41 #include <string.h>
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42 #include <boost/filesystem.hpp>
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43 #include <boost/filesystem/fstream.hpp>
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44 #include <boost/uuid/sha1.hpp>
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45 #include <boost/lexical_cast.hpp>
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46 #include <algorithm>
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47 #include <ctype.h>
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48
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49 #if BOOST_HAS_DATE_TIME == 1
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50 #include <boost/date_time/posix_time/posix_time.hpp>
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51 #endif
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52
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53 #if BOOST_HAS_REGEX == 1
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54 #include <boost/regex.hpp>
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55 #endif
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56
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57 #if defined(_WIN32)
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58 #include <windows.h>
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59 #include <process.h> // For "_spawnvp()" and "_getpid()"
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60 #else
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61 #include <unistd.h> // For "execvp()"
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62 #include <sys/wait.h> // For "waitpid()"
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63 #endif
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64
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65 #if defined(__APPLE__) && defined(__MACH__)
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66 #include <mach-o/dyld.h> /* _NSGetExecutablePath */
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67 #include <limits.h> /* PATH_MAX */
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68 #endif
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69
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70 #if defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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71 #include <limits.h> /* PATH_MAX */
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72 #include <signal.h>
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73 #include <unistd.h>
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74 #endif
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75
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76 #if BOOST_HAS_LOCALE != 1
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77 #error Since version 0.7.6, Orthanc entirely relies on boost::locale
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78 #endif
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79
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80 #include <boost/locale.hpp>
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81
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82
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83 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1
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84 #include "../Resources/ThirdParty/md5/md5.h"
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85 #endif
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86
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87
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88 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1
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89 #include "../Resources/ThirdParty/base64/base64.h"
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90 #endif
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91
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92
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93 #if defined(_MSC_VER) && (_MSC_VER < 1800)
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94 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013
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95 extern "C"
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96 {
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97 int64_t _strtoi64(const char *nptr, char **endptr, int base);
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98 int64_t strtoll(const char *nptr, char **endptr, int base)
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99 {
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100 return _strtoi64(nptr, endptr, base);
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101 }
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102 }
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103 #endif
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104
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105
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106 #if ORTHANC_PUGIXML_ENABLED == 1
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107 #include "ChunkedBuffer.h"
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108 #include <pugixml.hpp>
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109 #endif
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110
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111
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112 namespace Orthanc
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113 {
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114 static bool finish;
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115
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116 #if defined(_WIN32)
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117 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
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118 {
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119 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
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120 finish = true;
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121 return true;
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122 }
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123 #else
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124 static void SignalHandler(int)
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125 {
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126 finish = true;
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127 }
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128 #endif
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129
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130 void Toolbox::USleep(uint64_t microSeconds)
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131 {
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132 #if defined(_WIN32)
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133 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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134 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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135 usleep(microSeconds);
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136 #else
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137 #error Support your platform here
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138 #endif
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139 }
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140
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141
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142 static void ServerBarrierInternal(const bool* stopFlag)
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143 {
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144 #if defined(_WIN32)
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145 SetConsoleCtrlHandler(ConsoleControlHandler, true);
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146 #else
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147 signal(SIGINT, SignalHandler);
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148 signal(SIGQUIT, SignalHandler);
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149 signal(SIGTERM, SignalHandler);
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150 #endif
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151
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152 // Active loop that awakens every 100ms
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153 finish = false;
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154 while (!(*stopFlag || finish))
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155 {
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156 Toolbox::USleep(100 * 1000);
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157 }
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158
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159 #if defined(_WIN32)
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160 SetConsoleCtrlHandler(ConsoleControlHandler, false);
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161 #else
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162 signal(SIGINT, NULL);
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163 signal(SIGQUIT, NULL);
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164 signal(SIGTERM, NULL);
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165 #endif
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166 }
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167
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168
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169 void Toolbox::ServerBarrier(const bool& stopFlag)
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170 {
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171 ServerBarrierInternal(&stopFlag);
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172 }
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173
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174 void Toolbox::ServerBarrier()
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175 {
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176 const bool stopFlag = false;
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177 ServerBarrierInternal(&stopFlag);
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178 }
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179
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180
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181 void Toolbox::ToUpperCase(std::string& s)
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182 {
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183 std::transform(s.begin(), s.end(), s.begin(), toupper);
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184 }
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185
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186
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187 void Toolbox::ToLowerCase(std::string& s)
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188 {
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189 std::transform(s.begin(), s.end(), s.begin(), tolower);
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190 }
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191
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192
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193 void Toolbox::ToUpperCase(std::string& result,
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194 const std::string& source)
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195 {
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196 result = source;
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197 ToUpperCase(result);
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198 }
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199
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200 void Toolbox::ToLowerCase(std::string& result,
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201 const std::string& source)
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202 {
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203 result = source;
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204 ToLowerCase(result);
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205 }
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206
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207
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208 void Toolbox::ReadFile(std::string& content,
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209 const std::string& path)
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210 {
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211 if (!boost::filesystem::is_regular_file(path))
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212 {
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213 LOG(ERROR) << "The path does not point to a regular file: " << path;
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214 throw OrthancException(ErrorCode_RegularFileExpected);
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215 }
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216
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217 boost::filesystem::ifstream f;
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218 f.open(path, std::ifstream::in | std::ifstream::binary);
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219 if (!f.good())
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220 {
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221 throw OrthancException(ErrorCode_InexistentFile);
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222 }
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223
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224 // http://www.cplusplus.com/reference/iostream/istream/tellg/
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225 f.seekg(0, std::ios::end);
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226 std::streamsize size = f.tellg();
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227 f.seekg(0, std::ios::beg);
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228
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229 content.resize(size);
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230 if (size != 0)
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231 {
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232 f.read(reinterpret_cast<char*>(&content[0]), size);
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233 }
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234
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235 f.close();
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236 }
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237
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238
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239 void Toolbox::WriteFile(const void* content,
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240 size_t size,
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241 const std::string& path)
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242 {
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243 boost::filesystem::ofstream f;
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244 f.open(path, std::ofstream::binary);
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245 if (!f.good())
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246 {
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247 throw OrthancException(ErrorCode_CannotWriteFile);
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248 }
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249
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250 if (size != 0)
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251 {
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252 f.write(reinterpret_cast<const char*>(content), size);
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253 }
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254
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255 f.close();
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256 }
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257
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258
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259 void Toolbox::WriteFile(const std::string& content,
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260 const std::string& path)
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261 {
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262 WriteFile(content.size() > 0 ? content.c_str() : NULL,
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263 content.size(), path);
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264 }
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265
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266
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267 void Toolbox::RemoveFile(const std::string& path)
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268 {
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269 if (boost::filesystem::exists(path))
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270 {
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271 if (boost::filesystem::is_regular_file(path))
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272 {
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273 boost::filesystem::remove(path);
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274 }
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275 else
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276 {
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277 throw OrthancException(ErrorCode_RegularFileExpected);
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278 }
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279 }
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280 }
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281
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282
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283
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284 void Toolbox::SplitUriComponents(UriComponents& components,
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285 const std::string& uri)
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286 {
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287 static const char URI_SEPARATOR = '/';
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288
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289 components.clear();
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290
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291 if (uri.size() == 0 ||
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292 uri[0] != URI_SEPARATOR)
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293 {
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294 throw OrthancException(ErrorCode_UriSyntax);
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295 }
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296
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297 // Count the number of slashes in the URI to make an assumption
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298 // about the number of components in the URI
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299 unsigned int estimatedSize = 0;
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300 for (unsigned int i = 0; i < uri.size(); i++)
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301 {
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302 if (uri[i] == URI_SEPARATOR)
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303 estimatedSize++;
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304 }
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305
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306 components.reserve(estimatedSize - 1);
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307
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308 unsigned int start = 1;
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309 unsigned int end = 1;
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310 while (end < uri.size())
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311 {
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312 // This is the loop invariant
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313 assert(uri[start - 1] == '/' && (end >= start));
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314
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315 if (uri[end] == '/')
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316 {
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317 components.push_back(std::string(&uri[start], end - start));
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318 end++;
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319 start = end;
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320 }
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321 else
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322 {
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323 end++;
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324 }
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325 }
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326
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327 if (start < uri.size())
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328 {
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329 components.push_back(std::string(&uri[start], end - start));
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330 }
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331
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332 for (size_t i = 0; i < components.size(); i++)
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333 {
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334 if (components[i].size() == 0)
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335 {
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336 // Empty component, as in: "/coucou//e"
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337 throw OrthancException(ErrorCode_UriSyntax);
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338 }
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339 }
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340 }
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341
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342
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343 void Toolbox::TruncateUri(UriComponents& target,
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344 const UriComponents& source,
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345 size_t fromLevel)
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346 {
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347 target.clear();
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348
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349 if (source.size() > fromLevel)
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350 {
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351 target.resize(source.size() - fromLevel);
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352
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353 size_t j = 0;
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354 for (size_t i = fromLevel; i < source.size(); i++, j++)
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355 {
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356 target[j] = source[i];
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357 }
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358
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359 assert(j == target.size());
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360 }
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361 }
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362
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363
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364
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365 bool Toolbox::IsChildUri(const UriComponents& baseUri,
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366 const UriComponents& testedUri)
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367 {
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368 if (testedUri.size() < baseUri.size())
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369 {
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370 return false;
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371 }
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372
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373 for (size_t i = 0; i < baseUri.size(); i++)
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374 {
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375 if (baseUri[i] != testedUri[i])
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376 return false;
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377 }
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378
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379 return true;
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380 }
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381
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382
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383 std::string Toolbox::AutodetectMimeType(const std::string& path)
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384 {
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385 std::string contentType;
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386 size_t lastDot = path.rfind('.');
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387 size_t lastSlash = path.rfind('/');
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388
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389 if (lastDot == std::string::npos ||
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390 (lastSlash != std::string::npos && lastDot < lastSlash))
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391 {
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392 // No trailing dot, unable to detect the content type
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393 }
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394 else
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395 {
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396 const char* extension = &path[lastDot + 1];
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397
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398 // http://en.wikipedia.org/wiki/Mime_types
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399 // Text types
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400 if (!strcmp(extension, "txt"))
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401 contentType = "text/plain";
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402 else if (!strcmp(extension, "html"))
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403 contentType = "text/html";
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404 else if (!strcmp(extension, "xml"))
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405 contentType = "text/xml";
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406 else if (!strcmp(extension, "css"))
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407 contentType = "text/css";
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408
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409 // Application types
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410 else if (!strcmp(extension, "js"))
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411 contentType = "application/javascript";
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412 else if (!strcmp(extension, "json"))
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413 contentType = "application/json";
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414 else if (!strcmp(extension, "pdf"))
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415 contentType = "application/pdf";
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416
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417 // Images types
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418 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg"))
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419 contentType = "image/jpeg";
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420 else if (!strcmp(extension, "gif"))
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421 contentType = "image/gif";
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422 else if (!strcmp(extension, "png"))
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423 contentType = "image/png";
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424 }
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425
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426 return contentType;
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427 }
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428
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429
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430 std::string Toolbox::FlattenUri(const UriComponents& components,
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431 size_t fromLevel)
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432 {
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433 if (components.size() <= fromLevel)
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434 {
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435 return "/";
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436 }
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437 else
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438 {
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439 std::string r;
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440
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441 for (size_t i = fromLevel; i < components.size(); i++)
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442 {
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443 r += "/" + components[i];
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444 }
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445
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446 return r;
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447 }
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448 }
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449
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450
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451
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452 uint64_t Toolbox::GetFileSize(const std::string& path)
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453 {
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454 try
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455 {
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456 return static_cast<uint64_t>(boost::filesystem::file_size(path));
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457 }
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458 catch (boost::filesystem::filesystem_error&)
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459 {
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460 throw OrthancException(ErrorCode_InexistentFile);
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461 }
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462 }
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463
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464
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465 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1
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466 static char GetHexadecimalCharacter(uint8_t value)
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467 {
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468 assert(value < 16);
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469
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470 if (value < 10)
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471 return value + '0';
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472 else
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473 return (value - 10) + 'a';
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474 }
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475
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476
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477 void Toolbox::ComputeMD5(std::string& result,
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478 const std::string& data)
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479 {
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480 if (data.size() > 0)
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481 {
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482 ComputeMD5(result, &data[0], data.size());
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483 }
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484 else
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485 {
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486 ComputeMD5(result, NULL, 0);
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487 }
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488 }
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489
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490
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491 void Toolbox::ComputeMD5(std::string& result,
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492 const void* data,
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493 size_t length)
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494 {
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495 md5_state_s state;
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496 md5_init(&state);
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497
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498 if (length > 0)
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499 {
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500 md5_append(&state,
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501 reinterpret_cast<const md5_byte_t*>(data),
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502 static_cast<int>(length));
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503 }
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504
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505 md5_byte_t actualHash[16];
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506 md5_finish(&state, actualHash);
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507
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508 result.resize(32);
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509 for (unsigned int i = 0; i < 16; i++)
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510 {
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511 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16);
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512 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16);
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513 }
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514 }
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515 #endif
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516
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517
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518 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1
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519 void Toolbox::EncodeBase64(std::string& result,
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520 const std::string& data)
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521 {
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522 result = base64_encode(data);
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523 }
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524
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525 void Toolbox::DecodeBase64(std::string& result,
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526 const std::string& data)
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527 {
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528 result = base64_decode(data);
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529 }
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530 #endif
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531
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532
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533
|
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534 #if defined(_WIN32)
|
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535 static std::string GetPathToExecutableInternal()
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536 {
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537 // Yes, this is ugly, but there is no simple way to get the
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538 // required buffer size, so we use a big constant
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539 std::vector<char> buffer(32768);
|
|
540 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1));
|
|
541 return std::string(&buffer[0]);
|
|
542 }
|
|
543
|
|
544 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
|
|
545 static std::string GetPathToExecutableInternal()
|
|
546 {
|
|
547 std::vector<char> buffer(PATH_MAX + 1);
|
|
548 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1);
|
|
549 if (bytes == 0)
|
|
550 {
|
|
551 throw OrthancException(ErrorCode_PathToExecutable);
|
|
552 }
|
|
553
|
|
554 return std::string(&buffer[0]);
|
|
555 }
|
|
556
|
|
557 #elif defined(__APPLE__) && defined(__MACH__)
|
|
558 static std::string GetPathToExecutableInternal()
|
|
559 {
|
|
560 char pathbuf[PATH_MAX + 1];
|
|
561 unsigned int bufsize = static_cast<int>(sizeof(pathbuf));
|
|
562
|
|
563 _NSGetExecutablePath( pathbuf, &bufsize);
|
|
564
|
|
565 return std::string(pathbuf);
|
|
566 }
|
|
567
|
|
568 #else
|
|
569 #error Support your platform here
|
|
570 #endif
|
|
571
|
|
572
|
|
573 std::string Toolbox::GetPathToExecutable()
|
|
574 {
|
|
575 boost::filesystem::path p(GetPathToExecutableInternal());
|
|
576 return boost::filesystem::absolute(p).string();
|
|
577 }
|
|
578
|
|
579
|
|
580 std::string Toolbox::GetDirectoryOfExecutable()
|
|
581 {
|
|
582 boost::filesystem::path p(GetPathToExecutableInternal());
|
|
583 return boost::filesystem::absolute(p.parent_path()).string();
|
|
584 }
|
|
585
|
|
586
|
|
587 static const char* GetBoostLocaleEncoding(const Encoding sourceEncoding)
|
|
588 {
|
|
589 switch (sourceEncoding)
|
|
590 {
|
|
591 case Encoding_Utf8:
|
|
592 return "UTF-8";
|
|
593
|
|
594 case Encoding_Ascii:
|
|
595 return "ASCII";
|
|
596
|
|
597 case Encoding_Latin1:
|
|
598 return "ISO-8859-1";
|
|
599 break;
|
|
600
|
|
601 case Encoding_Latin2:
|
|
602 return "ISO-8859-2";
|
|
603 break;
|
|
604
|
|
605 case Encoding_Latin3:
|
|
606 return "ISO-8859-3";
|
|
607 break;
|
|
608
|
|
609 case Encoding_Latin4:
|
|
610 return "ISO-8859-4";
|
|
611 break;
|
|
612
|
|
613 case Encoding_Latin5:
|
|
614 return "ISO-8859-9";
|
|
615 break;
|
|
616
|
|
617 case Encoding_Cyrillic:
|
|
618 return "ISO-8859-5";
|
|
619 break;
|
|
620
|
|
621 case Encoding_Windows1251:
|
|
622 return "WINDOWS-1251";
|
|
623 break;
|
|
624
|
|
625 case Encoding_Arabic:
|
|
626 return "ISO-8859-6";
|
|
627 break;
|
|
628
|
|
629 case Encoding_Greek:
|
|
630 return "ISO-8859-7";
|
|
631 break;
|
|
632
|
|
633 case Encoding_Hebrew:
|
|
634 return "ISO-8859-8";
|
|
635 break;
|
|
636
|
|
637 case Encoding_Japanese:
|
|
638 return "SHIFT-JIS";
|
|
639 break;
|
|
640
|
|
641 case Encoding_Chinese:
|
|
642 return "GB18030";
|
|
643 break;
|
|
644
|
|
645 case Encoding_Thai:
|
|
646 return "TIS620.2533-0";
|
|
647 break;
|
|
648
|
|
649 default:
|
|
650 throw OrthancException(ErrorCode_NotImplemented);
|
|
651 }
|
|
652 }
|
|
653
|
|
654
|
|
655 std::string Toolbox::ConvertToUtf8(const std::string& source,
|
|
656 Encoding sourceEncoding)
|
|
657 {
|
|
658 if (sourceEncoding == Encoding_Utf8)
|
|
659 {
|
|
660 // Already in UTF-8: No conversion is required
|
|
661 return source;
|
|
662 }
|
|
663
|
|
664 if (sourceEncoding == Encoding_Ascii)
|
|
665 {
|
|
666 return ConvertToAscii(source);
|
|
667 }
|
|
668
|
|
669 const char* encoding = GetBoostLocaleEncoding(sourceEncoding);
|
|
670
|
|
671 try
|
|
672 {
|
|
673 return boost::locale::conv::to_utf<char>(source, encoding);
|
|
674 }
|
|
675 catch (std::runtime_error&)
|
|
676 {
|
|
677 // Bad input string or bad encoding
|
|
678 return ConvertToAscii(source);
|
|
679 }
|
|
680 }
|
|
681
|
|
682
|
|
683 std::string Toolbox::ConvertFromUtf8(const std::string& source,
|
|
684 Encoding targetEncoding)
|
|
685 {
|
|
686 if (targetEncoding == Encoding_Utf8)
|
|
687 {
|
|
688 // Already in UTF-8: No conversion is required
|
|
689 return source;
|
|
690 }
|
|
691
|
|
692 if (targetEncoding == Encoding_Ascii)
|
|
693 {
|
|
694 return ConvertToAscii(source);
|
|
695 }
|
|
696
|
|
697 const char* encoding = GetBoostLocaleEncoding(targetEncoding);
|
|
698
|
|
699 try
|
|
700 {
|
|
701 return boost::locale::conv::from_utf<char>(source, encoding);
|
|
702 }
|
|
703 catch (std::runtime_error&)
|
|
704 {
|
|
705 // Bad input string or bad encoding
|
|
706 return ConvertToAscii(source);
|
|
707 }
|
|
708 }
|
|
709
|
|
710
|
|
711 std::string Toolbox::ConvertToAscii(const std::string& source)
|
|
712 {
|
|
713 std::string result;
|
|
714
|
|
715 result.reserve(source.size() + 1);
|
|
716 for (size_t i = 0; i < source.size(); i++)
|
|
717 {
|
|
718 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i]))
|
|
719 {
|
|
720 result.push_back(source[i]);
|
|
721 }
|
|
722 }
|
|
723
|
|
724 return result;
|
|
725 }
|
|
726
|
|
727 void Toolbox::ComputeSHA1(std::string& result,
|
|
728 const std::string& data)
|
|
729 {
|
|
730 boost::uuids::detail::sha1 sha1;
|
|
731
|
|
732 if (data.size() > 0)
|
|
733 {
|
|
734 sha1.process_bytes(&data[0], data.size());
|
|
735 }
|
|
736
|
|
737 unsigned int digest[5];
|
|
738
|
|
739 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide
|
|
740 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8));
|
|
741
|
|
742 sha1.get_digest(digest);
|
|
743
|
|
744 result.resize(8 * 5 + 4);
|
|
745 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x",
|
|
746 digest[0],
|
|
747 digest[1],
|
|
748 digest[2],
|
|
749 digest[3],
|
|
750 digest[4]);
|
|
751 }
|
|
752
|
|
753 bool Toolbox::IsSHA1(const char* str,
|
|
754 size_t size)
|
|
755 {
|
|
756 if (size == 0)
|
|
757 {
|
|
758 return false;
|
|
759 }
|
|
760
|
|
761 const char* start = str;
|
|
762 const char* end = str + size;
|
|
763
|
|
764 // Trim the beginning of the string
|
|
765 while (start < end)
|
|
766 {
|
|
767 if (*start == '\0' ||
|
|
768 isspace(*start))
|
|
769 {
|
|
770 start++;
|
|
771 }
|
|
772 else
|
|
773 {
|
|
774 break;
|
|
775 }
|
|
776 }
|
|
777
|
|
778 // Trim the trailing of the string
|
|
779 while (start < end)
|
|
780 {
|
|
781 if (*(end - 1) == '\0' ||
|
|
782 isspace(*(end - 1)))
|
|
783 {
|
|
784 end--;
|
|
785 }
|
|
786 else
|
|
787 {
|
|
788 break;
|
|
789 }
|
|
790 }
|
|
791
|
|
792 if (end - start != 44)
|
|
793 {
|
|
794 return false;
|
|
795 }
|
|
796
|
|
797 for (unsigned int i = 0; i < 44; i++)
|
|
798 {
|
|
799 if (i == 8 ||
|
|
800 i == 17 ||
|
|
801 i == 26 ||
|
|
802 i == 35)
|
|
803 {
|
|
804 if (start[i] != '-')
|
|
805 return false;
|
|
806 }
|
|
807 else
|
|
808 {
|
|
809 if (!isalnum(start[i]))
|
|
810 return false;
|
|
811 }
|
|
812 }
|
|
813
|
|
814 return true;
|
|
815 }
|
|
816
|
|
817
|
|
818 bool Toolbox::IsSHA1(const std::string& s)
|
|
819 {
|
|
820 if (s.size() == 0)
|
|
821 {
|
|
822 return false;
|
|
823 }
|
|
824 else
|
|
825 {
|
|
826 return IsSHA1(s.c_str(), s.size());
|
|
827 }
|
|
828 }
|
|
829
|
|
830
|
|
831 #if BOOST_HAS_DATE_TIME == 1
|
|
832 std::string Toolbox::GetNowIsoString()
|
|
833 {
|
|
834 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
|
|
835 return boost::posix_time::to_iso_string(now);
|
|
836 }
|
|
837
|
|
838 void Toolbox::GetNowDicom(std::string& date,
|
|
839 std::string& time)
|
|
840 {
|
|
841 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
|
|
842 tm tm = boost::posix_time::to_tm(now);
|
|
843
|
|
844 char s[32];
|
|
845 sprintf(s, "%04d%02d%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
|
|
846 date.assign(s);
|
|
847
|
|
848 // TODO milliseconds
|
|
849 sprintf(s, "%02d%02d%02d.%06d", tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
|
|
850 time.assign(s);
|
|
851 }
|
|
852 #endif
|
|
853
|
|
854
|
|
855 std::string Toolbox::StripSpaces(const std::string& source)
|
|
856 {
|
|
857 size_t first = 0;
|
|
858
|
|
859 while (first < source.length() &&
|
|
860 isspace(source[first]))
|
|
861 {
|
|
862 first++;
|
|
863 }
|
|
864
|
|
865 if (first == source.length())
|
|
866 {
|
|
867 // String containing only spaces
|
|
868 return "";
|
|
869 }
|
|
870
|
|
871 size_t last = source.length();
|
|
872 while (last > first &&
|
|
873 isspace(source[last - 1]))
|
|
874 {
|
|
875 last--;
|
|
876 }
|
|
877
|
|
878 assert(first <= last);
|
|
879 return source.substr(first, last - first);
|
|
880 }
|
|
881
|
|
882
|
|
883 static char Hex2Dec(char c)
|
|
884 {
|
|
885 return ((c >= '0' && c <= '9') ? c - '0' :
|
|
886 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10));
|
|
887 }
|
|
888
|
|
889 void Toolbox::UrlDecode(std::string& s)
|
|
890 {
|
|
891 // http://en.wikipedia.org/wiki/Percent-encoding
|
|
892 // http://www.w3schools.com/tags/ref_urlencode.asp
|
|
893 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c
|
|
894
|
|
895 if (s.size() == 0)
|
|
896 {
|
|
897 return;
|
|
898 }
|
|
899
|
|
900 size_t source = 0;
|
|
901 size_t target = 0;
|
|
902
|
|
903 while (source < s.size())
|
|
904 {
|
|
905 if (s[source] == '%' &&
|
|
906 source + 2 < s.size() &&
|
|
907 isalnum(s[source + 1]) &&
|
|
908 isalnum(s[source + 2]))
|
|
909 {
|
|
910 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]);
|
|
911 source += 3;
|
|
912 target += 1;
|
|
913 }
|
|
914 else
|
|
915 {
|
|
916 if (s[source] == '+')
|
|
917 s[target] = ' ';
|
|
918 else
|
|
919 s[target] = s[source];
|
|
920
|
|
921 source++;
|
|
922 target++;
|
|
923 }
|
|
924 }
|
|
925
|
|
926 s.resize(target);
|
|
927 }
|
|
928
|
|
929
|
|
930 Endianness Toolbox::DetectEndianness()
|
|
931 {
|
|
932 // http://sourceforge.net/p/predef/wiki/Endianness/
|
|
933
|
|
934 uint8_t buffer[4];
|
|
935
|
|
936 buffer[0] = 0x00;
|
|
937 buffer[1] = 0x01;
|
|
938 buffer[2] = 0x02;
|
|
939 buffer[3] = 0x03;
|
|
940
|
|
941 switch (*((uint32_t *)buffer))
|
|
942 {
|
|
943 case 0x00010203:
|
|
944 return Endianness_Big;
|
|
945
|
|
946 case 0x03020100:
|
|
947 return Endianness_Little;
|
|
948
|
|
949 default:
|
|
950 throw OrthancException(ErrorCode_NotImplemented);
|
|
951 }
|
|
952 }
|
|
953
|
|
954
|
|
955 #if BOOST_HAS_REGEX == 1
|
|
956 std::string Toolbox::WildcardToRegularExpression(const std::string& source)
|
|
957 {
|
|
958 // TODO - Speed up this with a regular expression
|
|
959
|
|
960 std::string result = source;
|
|
961
|
|
962 // Escape all special characters
|
|
963 boost::replace_all(result, "\\", "\\\\");
|
|
964 boost::replace_all(result, "^", "\\^");
|
|
965 boost::replace_all(result, ".", "\\.");
|
|
966 boost::replace_all(result, "$", "\\$");
|
|
967 boost::replace_all(result, "|", "\\|");
|
|
968 boost::replace_all(result, "(", "\\(");
|
|
969 boost::replace_all(result, ")", "\\)");
|
|
970 boost::replace_all(result, "[", "\\[");
|
|
971 boost::replace_all(result, "]", "\\]");
|
|
972 boost::replace_all(result, "+", "\\+");
|
|
973 boost::replace_all(result, "/", "\\/");
|
|
974 boost::replace_all(result, "{", "\\{");
|
|
975 boost::replace_all(result, "}", "\\}");
|
|
976
|
|
977 // Convert wildcards '*' and '?' to their regex equivalents
|
|
978 boost::replace_all(result, "?", ".");
|
|
979 boost::replace_all(result, "*", ".*");
|
|
980
|
|
981 return result;
|
|
982 }
|
|
983 #endif
|
|
984
|
|
985
|
|
986
|
|
987 void Toolbox::TokenizeString(std::vector<std::string>& result,
|
|
988 const std::string& value,
|
|
989 char separator)
|
|
990 {
|
|
991 result.clear();
|
|
992
|
|
993 std::string currentItem;
|
|
994
|
|
995 for (size_t i = 0; i < value.size(); i++)
|
|
996 {
|
|
997 if (value[i] == separator)
|
|
998 {
|
|
999 result.push_back(currentItem);
|
|
1000 currentItem.clear();
|
|
1001 }
|
|
1002 else
|
|
1003 {
|
|
1004 currentItem.push_back(value[i]);
|
|
1005 }
|
|
1006 }
|
|
1007
|
|
1008 result.push_back(currentItem);
|
|
1009 }
|
|
1010
|
|
1011
|
|
1012 #if BOOST_HAS_REGEX == 1
|
|
1013 void Toolbox::DecodeDataUriScheme(std::string& mime,
|
|
1014 std::string& content,
|
|
1015 const std::string& source)
|
|
1016 {
|
|
1017 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)",
|
|
1018 boost::regex::icase /* case insensitive search */);
|
|
1019
|
|
1020 boost::cmatch what;
|
|
1021 if (regex_match(source.c_str(), what, pattern))
|
|
1022 {
|
|
1023 mime = what[1];
|
|
1024 DecodeBase64(content, what[2]);
|
|
1025 }
|
|
1026 else
|
|
1027 {
|
|
1028 throw OrthancException(ErrorCode_BadFileFormat);
|
|
1029 }
|
|
1030 }
|
|
1031 #endif
|
|
1032
|
|
1033
|
|
1034 void Toolbox::MakeDirectory(const std::string& path)
|
|
1035 {
|
|
1036 if (boost::filesystem::exists(path))
|
|
1037 {
|
|
1038 if (!boost::filesystem::is_directory(path))
|
|
1039 {
|
|
1040 throw OrthancException(ErrorCode_DirectoryOverFile);
|
|
1041 }
|
|
1042 }
|
|
1043 else
|
|
1044 {
|
|
1045 if (!boost::filesystem::create_directories(path))
|
|
1046 {
|
|
1047 throw OrthancException(ErrorCode_MakeDirectory);
|
|
1048 }
|
|
1049 }
|
|
1050 }
|
|
1051
|
|
1052
|
|
1053 bool Toolbox::IsExistingFile(const std::string& path)
|
|
1054 {
|
|
1055 return boost::filesystem::exists(path);
|
|
1056 }
|
|
1057
|
|
1058
|
|
1059 #if ORTHANC_PUGIXML_ENABLED == 1
|
|
1060 class ChunkedBufferWriter : public pugi::xml_writer
|
|
1061 {
|
|
1062 private:
|
|
1063 ChunkedBuffer buffer_;
|
|
1064
|
|
1065 public:
|
|
1066 virtual void write(const void *data, size_t size)
|
|
1067 {
|
|
1068 if (size > 0)
|
|
1069 {
|
|
1070 buffer_.AddChunk(reinterpret_cast<const char*>(data), size);
|
|
1071 }
|
|
1072 }
|
|
1073
|
|
1074 void Flatten(std::string& s)
|
|
1075 {
|
|
1076 buffer_.Flatten(s);
|
|
1077 }
|
|
1078 };
|
|
1079
|
|
1080
|
|
1081 static void JsonToXmlInternal(pugi::xml_node& target,
|
|
1082 const Json::Value& source,
|
|
1083 const std::string& arrayElement)
|
|
1084 {
|
|
1085 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030
|
|
1086
|
|
1087 switch (source.type())
|
|
1088 {
|
|
1089 case Json::nullValue:
|
|
1090 {
|
|
1091 target.append_child(pugi::node_pcdata).set_value("null");
|
|
1092 break;
|
|
1093 }
|
|
1094
|
|
1095 case Json::intValue:
|
|
1096 {
|
|
1097 std::string s = boost::lexical_cast<std::string>(source.asInt());
|
|
1098 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
1099 break;
|
|
1100 }
|
|
1101
|
|
1102 case Json::uintValue:
|
|
1103 {
|
|
1104 std::string s = boost::lexical_cast<std::string>(source.asUInt());
|
|
1105 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
1106 break;
|
|
1107 }
|
|
1108
|
|
1109 case Json::realValue:
|
|
1110 {
|
|
1111 std::string s = boost::lexical_cast<std::string>(source.asFloat());
|
|
1112 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
1113 break;
|
|
1114 }
|
|
1115
|
|
1116 case Json::stringValue:
|
|
1117 {
|
|
1118 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str());
|
|
1119 break;
|
|
1120 }
|
|
1121
|
|
1122 case Json::booleanValue:
|
|
1123 {
|
|
1124 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false");
|
|
1125 break;
|
|
1126 }
|
|
1127
|
|
1128 case Json::arrayValue:
|
|
1129 {
|
|
1130 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++)
|
|
1131 {
|
|
1132 pugi::xml_node node = target.append_child();
|
|
1133 node.set_name(arrayElement.c_str());
|
|
1134 JsonToXmlInternal(node, source[i], arrayElement);
|
|
1135 }
|
|
1136 break;
|
|
1137 }
|
|
1138
|
|
1139 case Json::objectValue:
|
|
1140 {
|
|
1141 Json::Value::Members members = source.getMemberNames();
|
|
1142
|
|
1143 for (size_t i = 0; i < members.size(); i++)
|
|
1144 {
|
|
1145 pugi::xml_node node = target.append_child();
|
|
1146 node.set_name(members[i].c_str());
|
|
1147 JsonToXmlInternal(node, source[members[i]], arrayElement);
|
|
1148 }
|
|
1149
|
|
1150 break;
|
|
1151 }
|
|
1152
|
|
1153 default:
|
|
1154 throw OrthancException(ErrorCode_NotImplemented);
|
|
1155 }
|
|
1156 }
|
|
1157
|
|
1158
|
|
1159 void Toolbox::JsonToXml(std::string& target,
|
|
1160 const Json::Value& source,
|
|
1161 const std::string& rootElement,
|
|
1162 const std::string& arrayElement)
|
|
1163 {
|
|
1164 pugi::xml_document doc;
|
|
1165
|
|
1166 pugi::xml_node n = doc.append_child(rootElement.c_str());
|
|
1167 JsonToXmlInternal(n, source, arrayElement);
|
|
1168
|
|
1169 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration);
|
|
1170 decl.append_attribute("version").set_value("1.0");
|
|
1171 decl.append_attribute("encoding").set_value("utf-8");
|
|
1172
|
|
1173 ChunkedBufferWriter writer;
|
|
1174 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8);
|
|
1175 writer.Flatten(target);
|
|
1176 }
|
|
1177
|
|
1178 #endif
|
|
1179
|
|
1180
|
|
1181 void Toolbox::ExecuteSystemCommand(const std::string& command,
|
|
1182 const std::vector<std::string>& arguments)
|
|
1183 {
|
|
1184 // Convert the arguments as a C array
|
|
1185 std::vector<char*> args(arguments.size() + 2);
|
|
1186
|
|
1187 args.front() = const_cast<char*>(command.c_str());
|
|
1188
|
|
1189 for (size_t i = 0; i < arguments.size(); i++)
|
|
1190 {
|
|
1191 args[i + 1] = const_cast<char*>(arguments[i].c_str());
|
|
1192 }
|
|
1193
|
|
1194 args.back() = NULL;
|
|
1195
|
|
1196 int status;
|
|
1197
|
|
1198 #if defined(_WIN32)
|
|
1199 // http://msdn.microsoft.com/en-us/library/275khfab.aspx
|
|
1200 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0]));
|
|
1201
|
|
1202 #else
|
|
1203 int pid = fork();
|
|
1204
|
|
1205 if (pid == -1)
|
|
1206 {
|
|
1207 // Error in fork()
|
|
1208 #if ORTHANC_ENABLE_LOGGING == 1
|
|
1209 LOG(ERROR) << "Cannot fork a child process";
|
|
1210 #endif
|
|
1211
|
|
1212 throw OrthancException(ErrorCode_SystemCommand);
|
|
1213 }
|
|
1214 else if (pid == 0)
|
|
1215 {
|
|
1216 // Execute the system command in the child process
|
|
1217 execvp(command.c_str(), &args[0]);
|
|
1218
|
|
1219 // We should never get here
|
|
1220 _exit(1);
|
|
1221 }
|
|
1222 else
|
|
1223 {
|
|
1224 // Wait for the system command to exit
|
|
1225 waitpid(pid, &status, 0);
|
|
1226 }
|
|
1227 #endif
|
|
1228
|
|
1229 if (status != 0)
|
|
1230 {
|
|
1231 #if ORTHANC_ENABLE_LOGGING == 1
|
|
1232 LOG(ERROR) << "System command failed with status code " << status;
|
|
1233 #endif
|
|
1234
|
|
1235 throw OrthancException(ErrorCode_SystemCommand);
|
|
1236 }
|
|
1237 }
|
|
1238
|
|
1239
|
|
1240 bool Toolbox::IsInteger(const std::string& str)
|
|
1241 {
|
|
1242 std::string s = StripSpaces(str);
|
|
1243
|
|
1244 if (s.size() == 0)
|
|
1245 {
|
|
1246 return false;
|
|
1247 }
|
|
1248
|
|
1249 size_t pos = 0;
|
|
1250 if (s[0] == '-')
|
|
1251 {
|
|
1252 if (s.size() == 1)
|
|
1253 {
|
|
1254 return false;
|
|
1255 }
|
|
1256
|
|
1257 pos = 1;
|
|
1258 }
|
|
1259
|
|
1260 while (pos < s.size())
|
|
1261 {
|
|
1262 if (!isdigit(s[pos]))
|
|
1263 {
|
|
1264 return false;
|
|
1265 }
|
|
1266
|
|
1267 pos++;
|
|
1268 }
|
|
1269
|
|
1270 return true;
|
|
1271 }
|
|
1272
|
|
1273
|
|
1274 void Toolbox::CopyJsonWithoutComments(Json::Value& target,
|
|
1275 const Json::Value& source)
|
|
1276 {
|
|
1277 switch (source.type())
|
|
1278 {
|
|
1279 case Json::nullValue:
|
|
1280 target = Json::nullValue;
|
|
1281 break;
|
|
1282
|
|
1283 case Json::intValue:
|
|
1284 target = source.asInt64();
|
|
1285 break;
|
|
1286
|
|
1287 case Json::uintValue:
|
|
1288 target = source.asUInt64();
|
|
1289 break;
|
|
1290
|
|
1291 case Json::realValue:
|
|
1292 target = source.asDouble();
|
|
1293 break;
|
|
1294
|
|
1295 case Json::stringValue:
|
|
1296 target = source.asString();
|
|
1297 break;
|
|
1298
|
|
1299 case Json::booleanValue:
|
|
1300 target = source.asBool();
|
|
1301 break;
|
|
1302
|
|
1303 case Json::arrayValue:
|
|
1304 {
|
|
1305 target = Json::arrayValue;
|
|
1306 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++)
|
|
1307 {
|
|
1308 Json::Value& item = target.append(Json::nullValue);
|
|
1309 CopyJsonWithoutComments(item, source[i]);
|
|
1310 }
|
|
1311
|
|
1312 break;
|
|
1313 }
|
|
1314
|
|
1315 case Json::objectValue:
|
|
1316 {
|
|
1317 target = Json::objectValue;
|
|
1318 Json::Value::Members members = source.getMemberNames();
|
|
1319 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++)
|
|
1320 {
|
|
1321 const std::string item = members[i];
|
|
1322 CopyJsonWithoutComments(target[item], source[item]);
|
|
1323 }
|
|
1324
|
|
1325 break;
|
|
1326 }
|
|
1327
|
|
1328 default:
|
|
1329 break;
|
|
1330 }
|
|
1331 }
|
|
1332
|
|
1333
|
|
1334 bool Toolbox::StartsWith(const std::string& str,
|
|
1335 const std::string& prefix)
|
|
1336 {
|
|
1337 if (str.size() < prefix.size())
|
|
1338 {
|
|
1339 return false;
|
|
1340 }
|
|
1341 else
|
|
1342 {
|
|
1343 return str.compare(0, prefix.size(), prefix) == 0;
|
|
1344 }
|
|
1345 }
|
|
1346
|
|
1347
|
|
1348 int Toolbox::GetProcessId()
|
|
1349 {
|
|
1350 #if defined(_WIN32)
|
|
1351 return static_cast<int>(_getpid());
|
|
1352 #else
|
|
1353 return static_cast<int>(getpid());
|
|
1354 #endif
|
|
1355 }
|
|
1356 }
|
|
1357
|