25
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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
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38 #include <string>
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39 #include <stdint.h>
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40 #include <string.h>
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41 #include <boost/filesystem.hpp>
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42 #include <boost/filesystem/fstream.hpp>
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43 #include <boost/uuid/sha1.hpp>
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44 #include <boost/lexical_cast.hpp>
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45 #include <algorithm>
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46 #include <ctype.h>
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47
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48 #if BOOST_HAS_DATE_TIME == 1
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49 #include <boost/date_time/posix_time/posix_time.hpp>
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50 #endif
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51
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52 #if BOOST_HAS_REGEX == 1
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53 #include <boost/regex.hpp>
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54 #endif
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55
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56 #if HAVE_GOOGLE_LOG == 1
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57 #include <glog/logging.h>
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58 #endif
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59
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60 #if defined(_WIN32)
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61 #include <windows.h>
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62 #include <process.h> // For "_spawnvp()"
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63 #else
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64 #include <unistd.h> // For "execvp()"
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65 #include <sys/wait.h> // For "waitpid()"
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66 #endif
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67
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68 #if defined(__APPLE__) && defined(__MACH__)
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69 #include <mach-o/dyld.h> /* _NSGetExecutablePath */
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70 #include <limits.h> /* PATH_MAX */
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71 #endif
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72
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73 #if defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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74 #include <limits.h> /* PATH_MAX */
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75 #include <signal.h>
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76 #include <unistd.h>
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77 #endif
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78
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79 #if BOOST_HAS_LOCALE != 1
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80 #error Since version 0.7.6, Orthanc entirely relies on boost::locale
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81 #endif
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82
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83 #include <boost/locale.hpp>
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84
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85 #include "../Resources/ThirdParty/md5/md5.h"
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86 #include "../Resources/ThirdParty/base64/base64.h"
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87
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88
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89 #if defined(_MSC_VER) && (_MSC_VER < 1800)
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90 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013
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91 extern "C"
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92 {
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93 int64_t _strtoi64(const char *nptr, char **endptr, int base);
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94 int64_t strtoll(const char *nptr, char **endptr, int base)
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95 {
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96 return _strtoi64(nptr, endptr, base);
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97 }
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98 }
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99 #endif
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100
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101
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102 #if ORTHANC_PUGIXML_ENABLED == 1
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103 #include "ChunkedBuffer.h"
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104 #include <pugixml.hpp>
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105 #endif
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106
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107
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108 namespace Orthanc
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109 {
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110 static bool finish;
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111
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112 #if defined(_WIN32)
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113 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
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114 {
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115 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
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116 finish = true;
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117 return true;
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118 }
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119 #else
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120 static void SignalHandler(int)
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121 {
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122 finish = true;
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123 }
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124 #endif
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125
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126 void Toolbox::USleep(uint64_t microSeconds)
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127 {
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128 #if defined(_WIN32)
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129 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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130 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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131 usleep(microSeconds);
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132 #else
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133 #error Support your platform here
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134 #endif
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135 }
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136
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137
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138 static void ServerBarrierInternal(const bool* stopFlag)
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139 {
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140 #if defined(_WIN32)
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141 SetConsoleCtrlHandler(ConsoleControlHandler, true);
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142 #else
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143 signal(SIGINT, SignalHandler);
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144 signal(SIGQUIT, SignalHandler);
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145 signal(SIGTERM, SignalHandler);
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146 #endif
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147
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148 // Active loop that awakens every 100ms
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149 finish = false;
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150 while (!(*stopFlag || finish))
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151 {
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152 Toolbox::USleep(100 * 1000);
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153 }
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154
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155 #if defined(_WIN32)
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156 SetConsoleCtrlHandler(ConsoleControlHandler, false);
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157 #else
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158 signal(SIGINT, NULL);
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159 signal(SIGQUIT, NULL);
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160 signal(SIGTERM, NULL);
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161 #endif
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162 }
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163
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164
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165 void Toolbox::ServerBarrier(const bool& stopFlag)
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166 {
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167 ServerBarrierInternal(&stopFlag);
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168 }
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169
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170 void Toolbox::ServerBarrier()
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171 {
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172 const bool stopFlag = false;
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173 ServerBarrierInternal(&stopFlag);
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174 }
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175
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176
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177 void Toolbox::ToUpperCase(std::string& s)
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178 {
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179 std::transform(s.begin(), s.end(), s.begin(), toupper);
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180 }
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181
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182
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183 void Toolbox::ToLowerCase(std::string& s)
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184 {
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185 std::transform(s.begin(), s.end(), s.begin(), tolower);
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186 }
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187
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188
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189 void Toolbox::ToUpperCase(std::string& result,
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190 const std::string& source)
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191 {
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192 result = source;
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193 ToUpperCase(result);
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194 }
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195
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196 void Toolbox::ToLowerCase(std::string& result,
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197 const std::string& source)
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198 {
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199 result = source;
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200 ToLowerCase(result);
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201 }
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202
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203
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204 void Toolbox::ReadFile(std::string& content,
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205 const std::string& path)
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206 {
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207 boost::filesystem::ifstream f;
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208 f.open(path, std::ifstream::in | std::ifstream::binary);
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209 if (!f.good())
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210 {
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211 throw OrthancException(ErrorCode_InexistentFile);
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212 }
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213
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214 // http://www.cplusplus.com/reference/iostream/istream/tellg/
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215 f.seekg(0, std::ios::end);
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216 std::streamsize size = f.tellg();
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217 f.seekg(0, std::ios::beg);
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218
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219 content.resize(size);
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220 if (size != 0)
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221 {
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222 f.read(reinterpret_cast<char*>(&content[0]), size);
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223 }
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224
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225 f.close();
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226 }
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227
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228
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229 void Toolbox::WriteFile(const std::string& content,
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230 const std::string& path)
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231 {
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232 boost::filesystem::ofstream f;
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233 f.open(path, std::ofstream::binary);
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234 if (!f.good())
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235 {
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236 throw OrthancException(ErrorCode_CannotWriteFile);
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237 }
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238
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239 if (content.size() != 0)
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240 {
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241 f.write(content.c_str(), content.size());
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242 }
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243
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244 f.close();
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245 }
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246
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247
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248
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249 void Toolbox::RemoveFile(const std::string& path)
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250 {
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251 if (boost::filesystem::exists(path))
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252 {
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253 if (boost::filesystem::is_regular_file(path))
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254 boost::filesystem::remove(path);
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255 else
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256 throw OrthancException("The path is not a regular file: " + path);
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257 }
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258 }
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259
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260
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261
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262 void Toolbox::SplitUriComponents(UriComponents& components,
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263 const std::string& uri)
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264 {
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265 static const char URI_SEPARATOR = '/';
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266
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267 components.clear();
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268
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269 if (uri.size() == 0 ||
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270 uri[0] != URI_SEPARATOR)
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271 {
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272 throw OrthancException(ErrorCode_UriSyntax);
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273 }
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274
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275 // Count the number of slashes in the URI to make an assumption
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276 // about the number of components in the URI
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277 unsigned int estimatedSize = 0;
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278 for (unsigned int i = 0; i < uri.size(); i++)
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279 {
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280 if (uri[i] == URI_SEPARATOR)
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281 estimatedSize++;
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282 }
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283
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284 components.reserve(estimatedSize - 1);
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285
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286 unsigned int start = 1;
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287 unsigned int end = 1;
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288 while (end < uri.size())
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289 {
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290 // This is the loop invariant
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291 assert(uri[start - 1] == '/' && (end >= start));
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292
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293 if (uri[end] == '/')
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294 {
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295 components.push_back(std::string(&uri[start], end - start));
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296 end++;
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297 start = end;
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298 }
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299 else
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300 {
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301 end++;
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302 }
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303 }
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304
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305 if (start < uri.size())
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306 {
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307 components.push_back(std::string(&uri[start], end - start));
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308 }
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309
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310 for (size_t i = 0; i < components.size(); i++)
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311 {
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312 if (components[i].size() == 0)
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313 {
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314 // Empty component, as in: "/coucou//e"
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315 throw OrthancException(ErrorCode_UriSyntax);
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316 }
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317 }
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318 }
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319
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320
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321 void Toolbox::TruncateUri(UriComponents& target,
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322 const UriComponents& source,
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323 size_t fromLevel)
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324 {
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325 target.clear();
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326
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327 if (source.size() > fromLevel)
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328 {
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329 target.resize(source.size() - fromLevel);
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330
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331 size_t j = 0;
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332 for (size_t i = fromLevel; i < source.size(); i++, j++)
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333 {
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334 target[j] = source[i];
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335 }
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336
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337 assert(j == target.size());
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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 bool Toolbox::IsChildUri(const UriComponents& baseUri,
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344 const UriComponents& testedUri)
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345 {
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346 if (testedUri.size() < baseUri.size())
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347 {
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348 return false;
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349 }
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350
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351 for (size_t i = 0; i < baseUri.size(); i++)
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352 {
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353 if (baseUri[i] != testedUri[i])
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354 return false;
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355 }
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356
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357 return true;
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358 }
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359
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360
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361 std::string Toolbox::AutodetectMimeType(const std::string& path)
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362 {
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363 std::string contentType;
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364 size_t lastDot = path.rfind('.');
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365 size_t lastSlash = path.rfind('/');
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366
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367 if (lastDot == std::string::npos ||
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368 (lastSlash != std::string::npos && lastDot < lastSlash))
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369 {
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370 // No trailing dot, unable to detect the content type
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371 }
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372 else
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373 {
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374 const char* extension = &path[lastDot + 1];
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375
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376 // http://en.wikipedia.org/wiki/Mime_types
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377 // Text types
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378 if (!strcmp(extension, "txt"))
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379 contentType = "text/plain";
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380 else if (!strcmp(extension, "html"))
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381 contentType = "text/html";
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382 else if (!strcmp(extension, "xml"))
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383 contentType = "text/xml";
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384 else if (!strcmp(extension, "css"))
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385 contentType = "text/css";
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386
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387 // Application types
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388 else if (!strcmp(extension, "js"))
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389 contentType = "application/javascript";
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390 else if (!strcmp(extension, "json"))
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391 contentType = "application/json";
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392 else if (!strcmp(extension, "pdf"))
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393 contentType = "application/pdf";
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394
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395 // Images types
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396 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg"))
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397 contentType = "image/jpeg";
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398 else if (!strcmp(extension, "gif"))
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399 contentType = "image/gif";
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400 else if (!strcmp(extension, "png"))
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401 contentType = "image/png";
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402 }
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403
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404 return contentType;
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405 }
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406
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407
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408 std::string Toolbox::FlattenUri(const UriComponents& components,
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409 size_t fromLevel)
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410 {
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411 if (components.size() <= fromLevel)
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412 {
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413 return "/";
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414 }
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415 else
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416 {
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417 std::string r;
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418
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419 for (size_t i = fromLevel; i < components.size(); i++)
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420 {
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421 r += "/" + components[i];
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422 }
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423
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424 return r;
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425 }
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426 }
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427
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428
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429
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430 uint64_t Toolbox::GetFileSize(const std::string& path)
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431 {
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432 try
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433 {
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434 return static_cast<uint64_t>(boost::filesystem::file_size(path));
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435 }
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436 catch (boost::filesystem::filesystem_error)
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437 {
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438 throw OrthancException(ErrorCode_InexistentFile);
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439 }
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440 }
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441
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442
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443 static char GetHexadecimalCharacter(uint8_t value)
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444 {
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445 assert(value < 16);
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446
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447 if (value < 10)
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448 return value + '0';
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449 else
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450 return (value - 10) + 'a';
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451 }
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452
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453
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454 void Toolbox::ComputeMD5(std::string& result,
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455 const std::string& data)
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456 {
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457 if (data.size() > 0)
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458 {
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459 ComputeMD5(result, &data[0], data.size());
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460 }
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461 else
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462 {
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463 ComputeMD5(result, NULL, 0);
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464 }
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465 }
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466
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467
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468 void Toolbox::ComputeMD5(std::string& result,
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469 const void* data,
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470 size_t length)
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471 {
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472 md5_state_s state;
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473 md5_init(&state);
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474
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475 if (length > 0)
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476 {
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477 md5_append(&state,
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478 reinterpret_cast<const md5_byte_t*>(data),
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479 static_cast<int>(length));
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480 }
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481
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482 md5_byte_t actualHash[16];
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483 md5_finish(&state, actualHash);
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484
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485 result.resize(32);
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486 for (unsigned int i = 0; i < 16; i++)
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487 {
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488 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16);
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489 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16);
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490 }
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491 }
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492
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493
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494 void Toolbox::EncodeBase64(std::string& result,
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495 const std::string& data)
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496 {
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497 result = base64_encode(data);
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498 }
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499
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500 void Toolbox::DecodeBase64(std::string& result,
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501 const std::string& data)
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502 {
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503 result = base64_decode(data);
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504 }
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505
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506
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507 #if defined(_WIN32)
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508 static std::string GetPathToExecutableInternal()
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509 {
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510 // Yes, this is ugly, but there is no simple way to get the
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511 // required buffer size, so we use a big constant
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512 std::vector<char> buffer(32768);
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513 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1));
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514 return std::string(&buffer[0]);
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515 }
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516
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517 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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518 static std::string GetPathToExecutableInternal()
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519 {
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520 std::vector<char> buffer(PATH_MAX + 1);
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521 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1);
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522 if (bytes == 0)
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523 {
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524 throw OrthancException("Unable to get the path to the executable");
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525 }
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526
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527 return std::string(&buffer[0]);
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528 }
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529
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530 #elif defined(__APPLE__) && defined(__MACH__)
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531 static std::string GetPathToExecutableInternal()
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532 {
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533 char pathbuf[PATH_MAX + 1];
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534 unsigned int bufsize = static_cast<int>(sizeof(pathbuf));
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535
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536 _NSGetExecutablePath( pathbuf, &bufsize);
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537
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538 return std::string(pathbuf);
|
|
539 }
|
|
540
|
|
541 #else
|
|
542 #error Support your platform here
|
|
543 #endif
|
|
544
|
|
545
|
|
546 std::string Toolbox::GetPathToExecutable()
|
|
547 {
|
|
548 boost::filesystem::path p(GetPathToExecutableInternal());
|
|
549 return boost::filesystem::absolute(p).string();
|
|
550 }
|
|
551
|
|
552
|
|
553 std::string Toolbox::GetDirectoryOfExecutable()
|
|
554 {
|
|
555 boost::filesystem::path p(GetPathToExecutableInternal());
|
|
556 return boost::filesystem::absolute(p.parent_path()).string();
|
|
557 }
|
|
558
|
|
559
|
|
560 std::string Toolbox::ConvertToUtf8(const std::string& source,
|
|
561 const Encoding sourceEncoding)
|
|
562 {
|
|
563 const char* encoding;
|
|
564
|
|
565
|
|
566 // http://bradleyross.users.sourceforge.net/docs/dicom/doc/src-html/org/dcm4che2/data/SpecificCharacterSet.html
|
|
567 switch (sourceEncoding)
|
|
568 {
|
|
569 case Encoding_Utf8:
|
|
570 // Already in UTF-8: No conversion is required
|
|
571 return source;
|
|
572
|
|
573 case Encoding_Ascii:
|
|
574 return ConvertToAscii(source);
|
|
575
|
|
576 case Encoding_Latin1:
|
|
577 encoding = "ISO-8859-1";
|
|
578 break;
|
|
579
|
|
580 case Encoding_Latin2:
|
|
581 encoding = "ISO-8859-2";
|
|
582 break;
|
|
583
|
|
584 case Encoding_Latin3:
|
|
585 encoding = "ISO-8859-3";
|
|
586 break;
|
|
587
|
|
588 case Encoding_Latin4:
|
|
589 encoding = "ISO-8859-4";
|
|
590 break;
|
|
591
|
|
592 case Encoding_Latin5:
|
|
593 encoding = "ISO-8859-9";
|
|
594 break;
|
|
595
|
|
596 case Encoding_Cyrillic:
|
|
597 encoding = "ISO-8859-5";
|
|
598 break;
|
|
599
|
|
600 case Encoding_Windows1251:
|
|
601 encoding = "WINDOWS-1251";
|
|
602 break;
|
|
603
|
|
604 case Encoding_Arabic:
|
|
605 encoding = "ISO-8859-6";
|
|
606 break;
|
|
607
|
|
608 case Encoding_Greek:
|
|
609 encoding = "ISO-8859-7";
|
|
610 break;
|
|
611
|
|
612 case Encoding_Hebrew:
|
|
613 encoding = "ISO-8859-8";
|
|
614 break;
|
|
615
|
|
616 case Encoding_Japanese:
|
|
617 encoding = "SHIFT-JIS";
|
|
618 break;
|
|
619
|
|
620 case Encoding_Chinese:
|
|
621 encoding = "GB18030";
|
|
622 break;
|
|
623
|
|
624 case Encoding_Thai:
|
|
625 encoding = "TIS620.2533-0";
|
|
626 break;
|
|
627
|
|
628 default:
|
|
629 throw OrthancException(ErrorCode_NotImplemented);
|
|
630 }
|
|
631
|
|
632 try
|
|
633 {
|
|
634 return boost::locale::conv::to_utf<char>(source, encoding);
|
|
635 }
|
|
636 catch (std::runtime_error&)
|
|
637 {
|
|
638 // Bad input string or bad encoding
|
|
639 return ConvertToAscii(source);
|
|
640 }
|
|
641 }
|
|
642
|
|
643
|
|
644 std::string Toolbox::ConvertToAscii(const std::string& source)
|
|
645 {
|
|
646 std::string result;
|
|
647
|
|
648 result.reserve(source.size() + 1);
|
|
649 for (size_t i = 0; i < source.size(); i++)
|
|
650 {
|
|
651 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i]))
|
|
652 {
|
|
653 result.push_back(source[i]);
|
|
654 }
|
|
655 }
|
|
656
|
|
657 return result;
|
|
658 }
|
|
659
|
|
660 void Toolbox::ComputeSHA1(std::string& result,
|
|
661 const std::string& data)
|
|
662 {
|
|
663 boost::uuids::detail::sha1 sha1;
|
|
664
|
|
665 if (data.size() > 0)
|
|
666 {
|
|
667 sha1.process_bytes(&data[0], data.size());
|
|
668 }
|
|
669
|
|
670 unsigned int digest[5];
|
|
671
|
|
672 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide
|
|
673 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8));
|
|
674
|
|
675 sha1.get_digest(digest);
|
|
676
|
|
677 result.resize(8 * 5 + 4);
|
|
678 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x",
|
|
679 digest[0],
|
|
680 digest[1],
|
|
681 digest[2],
|
|
682 digest[3],
|
|
683 digest[4]);
|
|
684 }
|
|
685
|
|
686 bool Toolbox::IsSHA1(const std::string& str)
|
|
687 {
|
|
688 if (str.size() != 44)
|
|
689 {
|
|
690 return false;
|
|
691 }
|
|
692
|
|
693 for (unsigned int i = 0; i < 44; i++)
|
|
694 {
|
|
695 if (i == 8 ||
|
|
696 i == 17 ||
|
|
697 i == 26 ||
|
|
698 i == 35)
|
|
699 {
|
|
700 if (str[i] != '-')
|
|
701 return false;
|
|
702 }
|
|
703 else
|
|
704 {
|
|
705 if (!isalnum(str[i]))
|
|
706 return false;
|
|
707 }
|
|
708 }
|
|
709
|
|
710 return true;
|
|
711 }
|
|
712
|
|
713
|
|
714 #if BOOST_HAS_DATE_TIME == 1
|
|
715 std::string Toolbox::GetNowIsoString()
|
|
716 {
|
|
717 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
|
|
718 return boost::posix_time::to_iso_string(now);
|
|
719 }
|
|
720 #endif
|
|
721
|
|
722
|
|
723 std::string Toolbox::StripSpaces(const std::string& source)
|
|
724 {
|
|
725 size_t first = 0;
|
|
726
|
|
727 while (first < source.length() &&
|
|
728 isspace(source[first]))
|
|
729 {
|
|
730 first++;
|
|
731 }
|
|
732
|
|
733 if (first == source.length())
|
|
734 {
|
|
735 // String containing only spaces
|
|
736 return "";
|
|
737 }
|
|
738
|
|
739 size_t last = source.length();
|
|
740 while (last > first &&
|
|
741 isspace(source[last - 1]))
|
|
742 {
|
|
743 last--;
|
|
744 }
|
|
745
|
|
746 assert(first <= last);
|
|
747 return source.substr(first, last - first);
|
|
748 }
|
|
749
|
|
750
|
|
751 static char Hex2Dec(char c)
|
|
752 {
|
|
753 return ((c >= '0' && c <= '9') ? c - '0' :
|
|
754 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10));
|
|
755 }
|
|
756
|
|
757 void Toolbox::UrlDecode(std::string& s)
|
|
758 {
|
|
759 // http://en.wikipedia.org/wiki/Percent-encoding
|
|
760 // http://www.w3schools.com/tags/ref_urlencode.asp
|
|
761 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c
|
|
762
|
|
763 if (s.size() == 0)
|
|
764 {
|
|
765 return;
|
|
766 }
|
|
767
|
|
768 size_t source = 0;
|
|
769 size_t target = 0;
|
|
770
|
|
771 while (source < s.size())
|
|
772 {
|
|
773 if (s[source] == '%' &&
|
|
774 source + 2 < s.size() &&
|
|
775 isalnum(s[source + 1]) &&
|
|
776 isalnum(s[source + 2]))
|
|
777 {
|
|
778 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]);
|
|
779 source += 3;
|
|
780 target += 1;
|
|
781 }
|
|
782 else
|
|
783 {
|
|
784 if (s[source] == '+')
|
|
785 s[target] = ' ';
|
|
786 else
|
|
787 s[target] = s[source];
|
|
788
|
|
789 source++;
|
|
790 target++;
|
|
791 }
|
|
792 }
|
|
793
|
|
794 s.resize(target);
|
|
795 }
|
|
796
|
|
797
|
|
798 Endianness Toolbox::DetectEndianness()
|
|
799 {
|
|
800 // http://sourceforge.net/p/predef/wiki/Endianness/
|
|
801
|
|
802 uint8_t buffer[4];
|
|
803
|
|
804 buffer[0] = 0x00;
|
|
805 buffer[1] = 0x01;
|
|
806 buffer[2] = 0x02;
|
|
807 buffer[3] = 0x03;
|
|
808
|
|
809 switch (*((uint32_t *)buffer))
|
|
810 {
|
|
811 case 0x00010203:
|
|
812 return Endianness_Big;
|
|
813
|
|
814 case 0x03020100:
|
|
815 return Endianness_Little;
|
|
816
|
|
817 default:
|
|
818 throw OrthancException(ErrorCode_NotImplemented);
|
|
819 }
|
|
820 }
|
|
821
|
|
822
|
|
823 #if BOOST_HAS_REGEX == 1
|
|
824 std::string Toolbox::WildcardToRegularExpression(const std::string& source)
|
|
825 {
|
|
826 // TODO - Speed up this with a regular expression
|
|
827
|
|
828 std::string result = source;
|
|
829
|
|
830 // Escape all special characters
|
|
831 boost::replace_all(result, "\\", "\\\\");
|
|
832 boost::replace_all(result, "^", "\\^");
|
|
833 boost::replace_all(result, ".", "\\.");
|
|
834 boost::replace_all(result, "$", "\\$");
|
|
835 boost::replace_all(result, "|", "\\|");
|
|
836 boost::replace_all(result, "(", "\\(");
|
|
837 boost::replace_all(result, ")", "\\)");
|
|
838 boost::replace_all(result, "[", "\\[");
|
|
839 boost::replace_all(result, "]", "\\]");
|
|
840 boost::replace_all(result, "+", "\\+");
|
|
841 boost::replace_all(result, "/", "\\/");
|
|
842 boost::replace_all(result, "{", "\\{");
|
|
843 boost::replace_all(result, "}", "\\}");
|
|
844
|
|
845 // Convert wildcards '*' and '?' to their regex equivalents
|
|
846 boost::replace_all(result, "?", ".");
|
|
847 boost::replace_all(result, "*", ".*");
|
|
848
|
|
849 return result;
|
|
850 }
|
|
851 #endif
|
|
852
|
|
853
|
|
854
|
|
855 void Toolbox::TokenizeString(std::vector<std::string>& result,
|
|
856 const std::string& value,
|
|
857 char separator)
|
|
858 {
|
|
859 result.clear();
|
|
860
|
|
861 std::string currentItem;
|
|
862
|
|
863 for (size_t i = 0; i < value.size(); i++)
|
|
864 {
|
|
865 if (value[i] == separator)
|
|
866 {
|
|
867 result.push_back(currentItem);
|
|
868 currentItem.clear();
|
|
869 }
|
|
870 else
|
|
871 {
|
|
872 currentItem.push_back(value[i]);
|
|
873 }
|
|
874 }
|
|
875
|
|
876 result.push_back(currentItem);
|
|
877 }
|
|
878
|
|
879
|
|
880 #if BOOST_HAS_REGEX == 1
|
|
881 void Toolbox::DecodeDataUriScheme(std::string& mime,
|
|
882 std::string& content,
|
|
883 const std::string& source)
|
|
884 {
|
|
885 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)",
|
|
886 boost::regex::icase /* case insensitive search */);
|
|
887
|
|
888 boost::cmatch what;
|
|
889 if (regex_match(source.c_str(), what, pattern))
|
|
890 {
|
|
891 mime = what[1];
|
|
892 content = what[2];
|
|
893 }
|
|
894 else
|
|
895 {
|
|
896 throw OrthancException(ErrorCode_BadFileFormat);
|
|
897 }
|
|
898 }
|
|
899 #endif
|
|
900
|
|
901
|
|
902 void Toolbox::MakeDirectory(const std::string& path)
|
|
903 {
|
|
904 if (boost::filesystem::exists(path))
|
|
905 {
|
|
906 if (!boost::filesystem::is_directory(path))
|
|
907 {
|
|
908 throw OrthancException("Cannot create the directory over an existing file: " + path);
|
|
909 }
|
|
910 }
|
|
911 else
|
|
912 {
|
|
913 if (!boost::filesystem::create_directories(path))
|
|
914 {
|
|
915 throw OrthancException("Unable to create the directory: " + path);
|
|
916 }
|
|
917 }
|
|
918 }
|
|
919
|
|
920
|
|
921 bool Toolbox::IsExistingFile(const std::string& path)
|
|
922 {
|
|
923 return boost::filesystem::exists(path);
|
|
924 }
|
|
925
|
|
926
|
|
927 #if ORTHANC_PUGIXML_ENABLED == 1
|
|
928 class ChunkedBufferWriter : public pugi::xml_writer
|
|
929 {
|
|
930 private:
|
|
931 ChunkedBuffer buffer_;
|
|
932
|
|
933 public:
|
|
934 virtual void write(const void *data, size_t size)
|
|
935 {
|
|
936 if (size > 0)
|
|
937 {
|
|
938 buffer_.AddChunk(reinterpret_cast<const char*>(data), size);
|
|
939 }
|
|
940 }
|
|
941
|
|
942 void Flatten(std::string& s)
|
|
943 {
|
|
944 buffer_.Flatten(s);
|
|
945 }
|
|
946 };
|
|
947
|
|
948
|
|
949 static void JsonToXmlInternal(pugi::xml_node& target,
|
|
950 const Json::Value& source,
|
|
951 const std::string& arrayElement)
|
|
952 {
|
|
953 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030
|
|
954
|
|
955 switch (source.type())
|
|
956 {
|
|
957 case Json::nullValue:
|
|
958 {
|
|
959 target.append_child(pugi::node_pcdata).set_value("null");
|
|
960 break;
|
|
961 }
|
|
962
|
|
963 case Json::intValue:
|
|
964 {
|
|
965 std::string s = boost::lexical_cast<std::string>(source.asInt());
|
|
966 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
967 break;
|
|
968 }
|
|
969
|
|
970 case Json::uintValue:
|
|
971 {
|
|
972 std::string s = boost::lexical_cast<std::string>(source.asUInt());
|
|
973 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
974 break;
|
|
975 }
|
|
976
|
|
977 case Json::realValue:
|
|
978 {
|
|
979 std::string s = boost::lexical_cast<std::string>(source.asFloat());
|
|
980 target.append_child(pugi::node_pcdata).set_value(s.c_str());
|
|
981 break;
|
|
982 }
|
|
983
|
|
984 case Json::stringValue:
|
|
985 {
|
|
986 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str());
|
|
987 break;
|
|
988 }
|
|
989
|
|
990 case Json::booleanValue:
|
|
991 {
|
|
992 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false");
|
|
993 break;
|
|
994 }
|
|
995
|
|
996 case Json::arrayValue:
|
|
997 {
|
|
998 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++)
|
|
999 {
|
|
1000 pugi::xml_node node = target.append_child();
|
|
1001 node.set_name(arrayElement.c_str());
|
|
1002 JsonToXmlInternal(node, source[i], arrayElement);
|
|
1003 }
|
|
1004 break;
|
|
1005 }
|
|
1006
|
|
1007 case Json::objectValue:
|
|
1008 {
|
|
1009 Json::Value::Members members = source.getMemberNames();
|
|
1010
|
|
1011 for (size_t i = 0; i < members.size(); i++)
|
|
1012 {
|
|
1013 pugi::xml_node node = target.append_child();
|
|
1014 node.set_name(members[i].c_str());
|
|
1015 JsonToXmlInternal(node, source[members[i]], arrayElement);
|
|
1016 }
|
|
1017
|
|
1018 break;
|
|
1019 }
|
|
1020
|
|
1021 default:
|
|
1022 throw OrthancException(ErrorCode_NotImplemented);
|
|
1023 }
|
|
1024 }
|
|
1025
|
|
1026
|
|
1027 void Toolbox::JsonToXml(std::string& target,
|
|
1028 const Json::Value& source,
|
|
1029 const std::string& rootElement,
|
|
1030 const std::string& arrayElement)
|
|
1031 {
|
|
1032 pugi::xml_document doc;
|
|
1033
|
|
1034 pugi::xml_node n = doc.append_child(rootElement.c_str());
|
|
1035 JsonToXmlInternal(n, source, arrayElement);
|
|
1036
|
|
1037 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration);
|
|
1038 decl.append_attribute("version").set_value("1.0");
|
|
1039 decl.append_attribute("encoding").set_value("utf-8");
|
|
1040
|
|
1041 ChunkedBufferWriter writer;
|
|
1042 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8);
|
|
1043 writer.Flatten(target);
|
|
1044 }
|
|
1045
|
|
1046 #endif
|
|
1047
|
|
1048
|
|
1049 void Toolbox::ExecuteSystemCommand(const std::string& command,
|
|
1050 const std::vector<std::string>& arguments)
|
|
1051 {
|
|
1052 // Convert the arguments as a C array
|
|
1053 std::vector<char*> args(arguments.size() + 2);
|
|
1054
|
|
1055 args.front() = const_cast<char*>(command.c_str());
|
|
1056
|
|
1057 for (size_t i = 0; i < arguments.size(); i++)
|
|
1058 {
|
|
1059 args[i + 1] = const_cast<char*>(arguments[i].c_str());
|
|
1060 }
|
|
1061
|
|
1062 args.back() = NULL;
|
|
1063
|
|
1064 int status;
|
|
1065
|
|
1066 #if defined(_WIN32)
|
|
1067 // http://msdn.microsoft.com/en-us/library/275khfab.aspx
|
|
1068 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0]));
|
|
1069
|
|
1070 #else
|
|
1071 int pid = fork();
|
|
1072
|
|
1073 if (pid == -1)
|
|
1074 {
|
|
1075 // Error in fork()
|
|
1076 #if HAVE_GOOGLE_LOG == 1
|
|
1077 LOG(ERROR) << "Cannot fork a child process";
|
|
1078 #endif
|
|
1079
|
|
1080 throw OrthancException(ErrorCode_SystemCommand);
|
|
1081 }
|
|
1082 else if (pid == 0)
|
|
1083 {
|
|
1084 // Execute the system command in the child process
|
|
1085 execvp(command.c_str(), &args[0]);
|
|
1086
|
|
1087 // We should never get here
|
|
1088 _exit(1);
|
|
1089 }
|
|
1090 else
|
|
1091 {
|
|
1092 // Wait for the system command to exit
|
|
1093 waitpid(pid, &status, 0);
|
|
1094 }
|
|
1095 #endif
|
|
1096
|
|
1097 if (status != 0)
|
|
1098 {
|
|
1099 #if HAVE_GOOGLE_LOG == 1
|
|
1100 LOG(ERROR) << "System command failed with status code " << status;
|
|
1101 #endif
|
|
1102
|
|
1103 throw OrthancException(ErrorCode_SystemCommand);
|
|
1104 }
|
|
1105 }
|
|
1106
|
|
1107
|
|
1108 bool Toolbox::IsInteger(const std::string& str)
|
|
1109 {
|
|
1110 std::string s = StripSpaces(str);
|
|
1111
|
|
1112 if (s.size() == 0)
|
|
1113 {
|
|
1114 return false;
|
|
1115 }
|
|
1116
|
|
1117 size_t pos = 0;
|
|
1118 if (s[0] == '-')
|
|
1119 {
|
|
1120 if (s.size() == 1)
|
|
1121 {
|
|
1122 return false;
|
|
1123 }
|
|
1124
|
|
1125 pos = 1;
|
|
1126 }
|
|
1127
|
|
1128 while (pos < s.size())
|
|
1129 {
|
|
1130 if (!isdigit(s[pos]))
|
|
1131 {
|
|
1132 return false;
|
|
1133 }
|
|
1134
|
|
1135 pos++;
|
|
1136 }
|
|
1137
|
|
1138 return true;
|
|
1139 }
|
|
1140 }
|
|
1141
|