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annotate Core/Toolbox.cpp @ 136:fe180eae201d

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openssl exception
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 09 Oct 2012 18:21:01 +0200
parents fd7b0a3e6260
children 81b6f3013738
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * 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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33 #include "Toolbox.h"
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34
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35 #include "OrthancException.h"
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37 #include <string.h>
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38 #include <boost/filesystem.hpp>
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39 #include <boost/filesystem/fstream.hpp>
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40 #include <algorithm>
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41 #include <ctype.h>
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42
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43 #if defined(_WIN32)
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44 #include <windows.h>
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45 #endif
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46
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47 #if defined(__APPLE__) && defined(__MACH__)
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48 #include <mach-o/dyld.h> /* _NSGetExecutablePath */
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49 #include <limits.h> /* PATH_MAX */
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50 #endif
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51
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52 #if defined(__linux)
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53 #include <limits.h> /* PATH_MAX */
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54 #include <signal.h>
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55 #include <unistd.h>
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56 #endif
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57
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58 #if BOOST_HAS_LOCALE == 1
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59 #include <boost/locale.hpp>
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60 #else
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61 #include <iconv.h>
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62 #endif
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63
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64 #include "../Resources/md5/md5.h"
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65 #include "../Resources/base64/base64.h"
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66
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68 #if BOOST_HAS_LOCALE == 0
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69 namespace
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70 {
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71 class IconvRabi
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72 {
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73 private:
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74 iconv_t context_;
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75
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76 public:
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77 IconvRabi(const char* tocode, const char* fromcode)
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78 {
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79 context_ = iconv_open(tocode, fromcode);
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80 if (!context_)
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81 {
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82 throw Orthanc::OrthancException("Unknown code page");
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83 }
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84 }
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85
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86 ~IconvRabi()
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87 {
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88 iconv_close(context_);
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89 }
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91 std::string Convert(const std::string& source)
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92 {
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93 if (source.size() == 0)
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94 {
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95 return "";
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96 }
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97
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98 std::string result;
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99 char* sourcePos = const_cast<char*>(&source[0]);
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100 size_t sourceLeft = source.size();
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101
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102 std::vector<char> storage(source.size() + 10);
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103
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104 while (sourceLeft > 0)
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105 {
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106 char* tmp = &storage[0];
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107 size_t outputLeft = storage.size();
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108 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft);
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109 if (err < 0)
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110 {
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111 throw Orthanc::OrthancException("Bad character in sequence");
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112 }
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113
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114 size_t count = storage.size() - outputLeft;
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115 result += std::string(&storage[0], count);
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116 }
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117
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118 return result;
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119 }
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120 };
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121 }
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122 #endif
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123
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124
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125 namespace Orthanc
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126 {
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127 static bool finish;
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128
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129 #if defined(_WIN32)
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130 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
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131 {
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132 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
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133 finish = true;
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134 return true;
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135 }
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136 #else
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137 static void SignalHandler(int)
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138 {
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139 finish = true;
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140 }
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141 #endif
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142
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143 void Toolbox::Sleep(uint32_t seconds)
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144 {
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145 #if defined(_WIN32)
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146 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000));
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147 #elif defined(__linux)
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148 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000));
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149 #else
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150 #error Support your platform here
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151 #endif
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152 }
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153
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154 void Toolbox::USleep(uint64_t microSeconds)
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155 {
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156 #if defined(_WIN32)
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157 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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158 #elif defined(__linux)
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159 usleep(microSeconds);
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160 #else
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161 #error Support your platform here
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162 #endif
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163 }
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164
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165
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166 void Toolbox::ServerBarrier()
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167 {
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168 #if defined(_WIN32)
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169 SetConsoleCtrlHandler(ConsoleControlHandler, true);
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170 #else
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171 signal(SIGINT, SignalHandler);
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172 signal(SIGQUIT, SignalHandler);
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173 #endif
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174
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175 finish = false;
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176 while (!finish)
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177 {
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178 USleep(100000);
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179 }
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180
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181 #if defined(_WIN32)
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182 SetConsoleCtrlHandler(ConsoleControlHandler, false);
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183 #else
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184 signal(SIGINT, NULL);
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185 signal(SIGQUIT, NULL);
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186 #endif
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187 }
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188
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189
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190
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191 void Toolbox::ToUpperCase(std::string& s)
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192 {
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193 std::transform(s.begin(), s.end(), s.begin(), toupper);
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194 }
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195
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196
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197 void Toolbox::ToLowerCase(std::string& s)
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198 {
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199 std::transform(s.begin(), s.end(), s.begin(), tolower);
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200 }
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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::ios::binary);
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209 if (!f.good())
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210 {
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211 throw OrthancException("Unable to open a file");
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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::RemoveFile(const std::string& path)
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230 {
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231 if (boost::filesystem::exists(path))
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232 {
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233 if (boost::filesystem::is_regular_file(path))
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234 boost::filesystem::remove(path);
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235 else
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236 throw OrthancException("The path is not a regular file: " + path);
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237 }
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238 }
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239
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240
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241
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242 void Toolbox::SplitUriComponents(UriComponents& components,
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243 const std::string& uri)
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244 {
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245 static const char URI_SEPARATOR = '/';
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246
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247 components.clear();
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248
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249 if (uri.size() == 0 ||
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250 uri[0] != URI_SEPARATOR)
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251 {
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252 throw OrthancException(ErrorCode_UriSyntax);
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253 }
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254
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255 // Count the number of slashes in the URI to make an assumption
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256 // about the number of components in the URI
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257 unsigned int estimatedSize = 0;
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258 for (unsigned int i = 0; i < uri.size(); i++)
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259 {
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260 if (uri[i] == URI_SEPARATOR)
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261 estimatedSize++;
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262 }
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263
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264 components.reserve(estimatedSize - 1);
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265
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266 unsigned int start = 1;
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267 unsigned int end = 1;
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268 while (end < uri.size())
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269 {
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270 // This is the loop invariant
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271 assert(uri[start - 1] == '/' && (end >= start));
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272
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273 if (uri[end] == '/')
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274 {
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275 components.push_back(std::string(&uri[start], end - start));
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276 end++;
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277 start = end;
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278 }
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279 else
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280 {
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281 end++;
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282 }
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283 }
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284
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285 if (start < uri.size())
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286 {
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287 components.push_back(std::string(&uri[start], end - start));
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288 }
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289 }
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290
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291
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292 bool Toolbox::IsChildUri(const UriComponents& baseUri,
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293 const UriComponents& testedUri)
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294 {
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295 if (testedUri.size() < baseUri.size())
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296 {
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297 return false;
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298 }
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299
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300 for (size_t i = 0; i < baseUri.size(); i++)
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301 {
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302 if (baseUri[i] != testedUri[i])
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303 return false;
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304 }
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305
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306 return true;
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307 }
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308
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309
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310 std::string Toolbox::AutodetectMimeType(const std::string& path)
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311 {
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312 std::string contentType;
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313 size_t lastDot = path.rfind('.');
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314 size_t lastSlash = path.rfind('/');
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315
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316 if (lastDot == std::string::npos ||
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317 (lastSlash != std::string::npos && lastDot < lastSlash))
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318 {
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319 // No trailing dot, unable to detect the content type
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320 }
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321 else
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322 {
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323 const char* extension = &path[lastDot + 1];
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324
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325 // http://en.wikipedia.org/wiki/Mime_types
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326 // Text types
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327 if (!strcmp(extension, "txt"))
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328 contentType = "text/plain";
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329 else if (!strcmp(extension, "html"))
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330 contentType = "text/html";
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331 else if (!strcmp(extension, "xml"))
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332 contentType = "text/xml";
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333 else if (!strcmp(extension, "css"))
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334 contentType = "text/css";
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335
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336 // Application types
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337 else if (!strcmp(extension, "js"))
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338 contentType = "application/javascript";
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339 else if (!strcmp(extension, "json"))
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340 contentType = "application/json";
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341 else if (!strcmp(extension, "pdf"))
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342 contentType = "application/pdf";
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343
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344 // Images types
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345 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg"))
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346 contentType = "image/jpeg";
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347 else if (!strcmp(extension, "gif"))
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348 contentType = "image/gif";
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349 else if (!strcmp(extension, "png"))
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350 contentType = "image/png";
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351 }
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352
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353 return contentType;
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354 }
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355
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356
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357 std::string Toolbox::FlattenUri(const UriComponents& components,
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358 size_t fromLevel)
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359 {
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360 if (components.size() <= fromLevel)
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361 {
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362 return "/";
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363 }
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364 else
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365 {
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366 std::string r;
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367
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368 for (size_t i = fromLevel; i < components.size(); i++)
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369 {
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370 r += "/" + components[i];
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371 }
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372
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373 return r;
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374 }
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375 }
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376
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377
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378
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379 uint64_t Toolbox::GetFileSize(const std::string& path)
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380 {
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381 try
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382 {
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383 return static_cast<uint64_t>(boost::filesystem::file_size(path));
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384 }
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385 catch (boost::filesystem::filesystem_error)
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386 {
59
c996319e90bc renaming in Core
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387 throw OrthancException(ErrorCode_InexistentFile);
0
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388 }
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389 }
22
1bc6327d1de3 MD5 sum
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parents: 10
diff changeset
390
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diff changeset
391
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392 static char GetHexadecimalCharacter(uint8_t value)
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393 {
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394 assert(value < 16);
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395
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396 if (value < 10)
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397 return value + '0';
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398 else
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399 return (value - 10) + 'a';
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400 }
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parents: 10
diff changeset
401
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62bd05fe4b7c support for ssl
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parents: 22
diff changeset
402
22
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403 void Toolbox::ComputeMD5(std::string& result,
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404 const std::string& data)
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diff changeset
405 {
1bc6327d1de3 MD5 sum
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diff changeset
406 md5_state_s state;
1bc6327d1de3 MD5 sum
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407 md5_init(&state);
1bc6327d1de3 MD5 sum
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parents: 10
diff changeset
408
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parents: 10
diff changeset
409 if (data.size() > 0)
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parents: 10
diff changeset
410 {
1bc6327d1de3 MD5 sum
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411 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]),
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diff changeset
412 static_cast<int>(data.size()));
1bc6327d1de3 MD5 sum
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 10
diff changeset
413 }
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parents: 10
diff changeset
414
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diff changeset
415 md5_byte_t actualHash[16];
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416 md5_finish(&state, actualHash);
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parents: 10
diff changeset
417
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diff changeset
418 result.resize(32);
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parents: 10
diff changeset
419 for (unsigned int i = 0; i < 16; i++)
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420 {
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421 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16);
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parents: 10
diff changeset
422 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16);
1bc6327d1de3 MD5 sum
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 10
diff changeset
423 }
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parents: 10
diff changeset
424 }
24
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parents: 23
diff changeset
425
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parents: 23
diff changeset
426
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427 std::string Toolbox::EncodeBase64(const std::string& data)
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428 {
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429 return base64_encode(data);
24
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parents: 23
diff changeset
430 }
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parents: 23
diff changeset
431
87
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diff changeset
432
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diff changeset
433 #if defined(_WIN32)
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434 std::string Toolbox::GetPathToExecutable()
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diff changeset
435 {
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parents: 86
diff changeset
436 // Yes, this is ugly, but there is no simple way to get the
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parents: 86
diff changeset
437 // required buffer size, so we use a big constant
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438 std::vector<char> buffer(32768);
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diff changeset
439 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1));
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440 return std::string(&buffer[0]);
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diff changeset
441 }
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diff changeset
442
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diff changeset
443 #elif defined(__linux)
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444 std::string Toolbox::GetPathToExecutable()
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445 {
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diff changeset
446 std::vector<char> buffer(PATH_MAX + 1);
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diff changeset
447 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1);
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diff changeset
448 if (bytes == 0)
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449 {
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diff changeset
450 throw OrthancException("Unable to get the path to the executable");
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451 }
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452
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diff changeset
453 return std::string(&buffer[0]);
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diff changeset
454 }
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parents: 86
diff changeset
455
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diff changeset
456 #elif defined(__APPLE__) && defined(__MACH__)
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457 std::string Toolbox::GetPathToExecutable()
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458 {
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459 char pathbuf[PATH_MAX + 1];
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460 unsigned int bufsize = static_cast<int>(sizeof(pathbuf));
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461
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462 _NSGetExecutablePath( pathbuf, &bufsize);
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diff changeset
463
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diff changeset
464 return std::string(pathbuf);
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diff changeset
465 }
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parents: 86
diff changeset
466
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467 #else
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468 #error Support your platform here
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469 #endif
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470
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471
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472 std::string Toolbox::GetDirectoryOfExecutable()
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473 {
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474 boost::filesystem::path p(GetPathToExecutable());
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475 return p.parent_path().string();
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476 }
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477
107
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478
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479 std::string Toolbox::ConvertToUtf8(const std::string& source,
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480 const char* fromEncoding)
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481 {
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482 #if BOOST_HAS_LOCALE == 1
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483 try
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484 {
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485 return boost::locale::conv::to_utf<char>(source, fromEncoding);
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486 }
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487 catch (std::runtime_error&)
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488 {
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489 // Bad input string or bad encoding
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490 return ConvertToAscii(source);
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491 }
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492 #else
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493 IconvRabi iconv("UTF-8", fromEncoding);
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494 try
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495 {
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496 return iconv.Convert(source);
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497 }
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498 catch (OrthancException)
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499 {
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500 return ConvertToAscii(source);
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501 }
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502 #endif
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503 }
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504
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505
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506 std::string Toolbox::ConvertToAscii(const std::string& source)
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507 {
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508 std::string result;
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509
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510 result.reserve(source.size());
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511 for (size_t i = 0; i < source.size(); i++)
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512 {
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513 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i]))
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514 {
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515 result.push_back(source[i]);
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516 }
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517 }
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518
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519 return result;
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520 }
0
3959d33612cc initial commit
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521 }