Mercurial > hg > orthanc
annotate Core/Toolbox.cpp @ 596:4e7cd90e982c Orthanc-0.6.2
Orthanc-0.6.2
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 04 Oct 2013 16:31:38 +0200 |
| parents | 2737806bcf60 |
| children | b82292ba2083 0bedf8ff9288 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 398 | 3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "Toolbox.h" | |
| 34 | |
| 59 | 35 #include "OrthancException.h" |
| 0 | 36 |
| 453 | 37 #include <stdint.h> |
| 0 | 38 #include <string.h> |
| 39 #include <boost/filesystem.hpp> | |
| 40 #include <boost/filesystem/fstream.hpp> | |
|
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41 #include <boost/date_time/posix_time/posix_time.hpp> |
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42 #include <boost/uuid/sha1.hpp> |
| 0 | 43 #include <algorithm> |
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44 #include <ctype.h> |
| 0 | 45 |
| 46 #if defined(_WIN32) | |
| 47 #include <windows.h> | |
| 48 #endif | |
| 49 | |
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50 #if defined(__APPLE__) && defined(__MACH__) |
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51 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ |
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52 #include <limits.h> /* PATH_MAX */ |
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53 #endif |
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54 |
| 0 | 55 #if defined(__linux) |
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56 #include <limits.h> /* PATH_MAX */ |
| 10 | 57 #include <signal.h> |
| 0 | 58 #include <unistd.h> |
| 59 #endif | |
| 60 | |
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61 #if BOOST_HAS_LOCALE == 1 |
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62 #include <boost/locale.hpp> |
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63 #else |
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64 #include <iconv.h> |
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65 #endif |
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66 |
| 22 | 67 #include "../Resources/md5/md5.h" |
| 24 | 68 #include "../Resources/base64/base64.h" |
| 0 | 69 |
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70 |
| 570 | 71 #ifdef _MSC_VER |
| 72 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio | |
| 73 extern "C" | |
| 74 { | |
| 75 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
| 76 int64_t strtoll(const char *nptr, char **endptr, int base) | |
| 77 { | |
| 78 return _strtoi64(nptr, endptr, base); | |
| 79 } | |
| 80 } | |
| 568 | 81 #endif |
| 82 | |
| 83 | |
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84 #if BOOST_HAS_LOCALE == 0 |
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85 namespace |
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86 { |
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87 class IconvRabi |
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88 { |
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89 private: |
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90 iconv_t context_; |
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91 |
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92 public: |
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93 IconvRabi(const char* tocode, const char* fromcode) |
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94 { |
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95 context_ = iconv_open(tocode, fromcode); |
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96 if (!context_) |
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97 { |
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98 throw Orthanc::OrthancException("Unknown code page"); |
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99 } |
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100 } |
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101 |
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102 ~IconvRabi() |
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103 { |
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104 iconv_close(context_); |
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105 } |
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106 |
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107 std::string Convert(const std::string& source) |
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108 { |
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109 if (source.size() == 0) |
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110 { |
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111 return ""; |
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112 } |
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113 |
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114 std::string result; |
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115 char* sourcePos = const_cast<char*>(&source[0]); |
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116 size_t sourceLeft = source.size(); |
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117 |
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118 std::vector<char> storage(source.size() + 10); |
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119 |
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120 while (sourceLeft > 0) |
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121 { |
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122 char* tmp = &storage[0]; |
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123 size_t outputLeft = storage.size(); |
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124 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft); |
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125 if (err < 0) |
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126 { |
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127 throw Orthanc::OrthancException("Bad character in sequence"); |
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128 } |
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129 |
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130 size_t count = storage.size() - outputLeft; |
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131 result += std::string(&storage[0], count); |
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132 } |
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133 |
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134 return result; |
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135 } |
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136 }; |
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137 } |
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138 #endif |
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139 |
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140 |
| 59 | 141 namespace Orthanc |
| 0 | 142 { |
| 143 static bool finish; | |
| 144 | |
| 10 | 145 #if defined(_WIN32) |
| 22 | 146 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) |
| 147 { | |
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148 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx |
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149 finish = true; |
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150 return true; |
| 22 | 151 } |
| 152 #else | |
| 0 | 153 static void SignalHandler(int) |
| 154 { | |
| 155 finish = true; | |
| 156 } | |
| 22 | 157 #endif |
| 0 | 158 |
| 159 void Toolbox::Sleep(uint32_t seconds) | |
| 160 { | |
| 161 #if defined(_WIN32) | |
| 162 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); | |
| 163 #elif defined(__linux) | |
| 164 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); | |
| 165 #else | |
| 166 #error Support your platform here | |
| 167 #endif | |
| 168 } | |
| 169 | |
| 170 void Toolbox::USleep(uint64_t microSeconds) | |
| 171 { | |
| 172 #if defined(_WIN32) | |
| 8 | 173 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); |
| 0 | 174 #elif defined(__linux) |
| 175 usleep(microSeconds); | |
| 176 #else | |
| 177 #error Support your platform here | |
| 178 #endif | |
| 179 } | |
| 180 | |
| 181 | |
| 182 void Toolbox::ServerBarrier() | |
| 183 { | |
| 10 | 184 #if defined(_WIN32) |
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185 SetConsoleCtrlHandler(ConsoleControlHandler, true); |
| 10 | 186 #else |
| 0 | 187 signal(SIGINT, SignalHandler); |
| 188 signal(SIGQUIT, SignalHandler); | |
| 189 #endif | |
| 190 | |
| 191 finish = false; | |
| 192 while (!finish) | |
| 193 { | |
| 194 USleep(100000); | |
| 195 } | |
| 196 | |
| 10 | 197 #if defined(_WIN32) |
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198 SetConsoleCtrlHandler(ConsoleControlHandler, false); |
| 10 | 199 #else |
| 0 | 200 signal(SIGINT, NULL); |
| 201 signal(SIGQUIT, NULL); | |
| 202 #endif | |
| 203 } | |
| 204 | |
| 205 | |
| 206 | |
| 207 void Toolbox::ToUpperCase(std::string& s) | |
| 208 { | |
| 209 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
| 210 } | |
| 211 | |
| 212 | |
| 213 void Toolbox::ToLowerCase(std::string& s) | |
| 214 { | |
| 215 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 216 } | |
| 217 | |
| 218 | |
| 219 | |
| 220 void Toolbox::ReadFile(std::string& content, | |
| 221 const std::string& path) | |
| 222 { | |
| 223 boost::filesystem::ifstream f; | |
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224 f.open(path, std::ifstream::in | std::ifstream::binary); |
| 0 | 225 if (!f.good()) |
| 226 { | |
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227 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 228 } |
| 229 | |
| 230 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
| 231 f.seekg(0, std::ios::end); | |
| 232 std::streamsize size = f.tellg(); | |
| 233 f.seekg(0, std::ios::beg); | |
| 234 | |
| 235 content.resize(size); | |
| 236 if (size != 0) | |
| 237 { | |
| 238 f.read(reinterpret_cast<char*>(&content[0]), size); | |
| 239 } | |
| 240 | |
| 241 f.close(); | |
| 242 } | |
| 243 | |
| 244 | |
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245 void Toolbox::WriteFile(const std::string& content, |
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246 const std::string& path) |
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247 { |
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248 boost::filesystem::ofstream f; |
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249 f.open(path, std::ofstream::binary); |
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250 if (!f.good()) |
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251 { |
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252 throw OrthancException(ErrorCode_CannotWriteFile); |
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253 } |
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254 |
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255 if (content.size() != 0) |
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256 { |
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257 f.write(content.c_str(), content.size()); |
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258 } |
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259 |
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260 f.close(); |
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261 } |
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262 |
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263 |
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264 |
| 0 | 265 void Toolbox::RemoveFile(const std::string& path) |
| 266 { | |
| 267 if (boost::filesystem::exists(path)) | |
| 268 { | |
| 269 if (boost::filesystem::is_regular_file(path)) | |
| 270 boost::filesystem::remove(path); | |
| 271 else | |
| 59 | 272 throw OrthancException("The path is not a regular file: " + path); |
| 0 | 273 } |
| 274 } | |
| 275 | |
| 276 | |
| 277 | |
| 278 void Toolbox::SplitUriComponents(UriComponents& components, | |
| 279 const std::string& uri) | |
| 280 { | |
| 281 static const char URI_SEPARATOR = '/'; | |
| 282 | |
| 283 components.clear(); | |
| 284 | |
| 285 if (uri.size() == 0 || | |
| 286 uri[0] != URI_SEPARATOR) | |
| 287 { | |
| 59 | 288 throw OrthancException(ErrorCode_UriSyntax); |
| 0 | 289 } |
| 290 | |
| 291 // Count the number of slashes in the URI to make an assumption | |
| 292 // about the number of components in the URI | |
| 293 unsigned int estimatedSize = 0; | |
| 294 for (unsigned int i = 0; i < uri.size(); i++) | |
| 295 { | |
| 296 if (uri[i] == URI_SEPARATOR) | |
| 297 estimatedSize++; | |
| 298 } | |
| 299 | |
| 300 components.reserve(estimatedSize - 1); | |
| 301 | |
| 302 unsigned int start = 1; | |
| 303 unsigned int end = 1; | |
| 304 while (end < uri.size()) | |
| 305 { | |
| 306 // This is the loop invariant | |
| 307 assert(uri[start - 1] == '/' && (end >= start)); | |
| 308 | |
| 309 if (uri[end] == '/') | |
| 310 { | |
| 311 components.push_back(std::string(&uri[start], end - start)); | |
| 312 end++; | |
| 313 start = end; | |
| 314 } | |
| 315 else | |
| 316 { | |
| 317 end++; | |
| 318 } | |
| 319 } | |
| 320 | |
| 321 if (start < uri.size()) | |
| 322 { | |
| 323 components.push_back(std::string(&uri[start], end - start)); | |
| 324 } | |
| 207 | 325 |
| 326 for (size_t i = 0; i < components.size(); i++) | |
| 327 { | |
| 328 if (components[i].size() == 0) | |
| 329 { | |
| 330 // Empty component, as in: "/coucou//e" | |
| 331 throw OrthancException(ErrorCode_UriSyntax); | |
| 332 } | |
| 333 } | |
| 0 | 334 } |
| 335 | |
| 336 | |
| 337 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
| 338 const UriComponents& testedUri) | |
| 339 { | |
| 340 if (testedUri.size() < baseUri.size()) | |
| 341 { | |
| 342 return false; | |
| 343 } | |
| 344 | |
| 345 for (size_t i = 0; i < baseUri.size(); i++) | |
| 346 { | |
| 347 if (baseUri[i] != testedUri[i]) | |
| 348 return false; | |
| 349 } | |
| 350 | |
| 351 return true; | |
| 352 } | |
| 353 | |
| 354 | |
| 355 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
| 356 { | |
| 357 std::string contentType; | |
| 358 size_t lastDot = path.rfind('.'); | |
| 359 size_t lastSlash = path.rfind('/'); | |
| 360 | |
| 361 if (lastDot == std::string::npos || | |
| 362 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
| 363 { | |
| 364 // No trailing dot, unable to detect the content type | |
| 365 } | |
| 366 else | |
| 367 { | |
| 368 const char* extension = &path[lastDot + 1]; | |
| 369 | |
| 370 // http://en.wikipedia.org/wiki/Mime_types | |
| 371 // Text types | |
| 372 if (!strcmp(extension, "txt")) | |
| 373 contentType = "text/plain"; | |
| 374 else if (!strcmp(extension, "html")) | |
| 375 contentType = "text/html"; | |
| 376 else if (!strcmp(extension, "xml")) | |
| 377 contentType = "text/xml"; | |
| 378 else if (!strcmp(extension, "css")) | |
| 379 contentType = "text/css"; | |
| 380 | |
| 381 // Application types | |
| 382 else if (!strcmp(extension, "js")) | |
| 383 contentType = "application/javascript"; | |
| 384 else if (!strcmp(extension, "json")) | |
| 385 contentType = "application/json"; | |
| 386 else if (!strcmp(extension, "pdf")) | |
| 387 contentType = "application/pdf"; | |
| 388 | |
| 389 // Images types | |
| 390 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
| 391 contentType = "image/jpeg"; | |
| 392 else if (!strcmp(extension, "gif")) | |
| 393 contentType = "image/gif"; | |
| 394 else if (!strcmp(extension, "png")) | |
| 395 contentType = "image/png"; | |
| 396 } | |
| 397 | |
| 398 return contentType; | |
| 399 } | |
| 400 | |
| 401 | |
| 402 std::string Toolbox::FlattenUri(const UriComponents& components, | |
| 403 size_t fromLevel) | |
| 404 { | |
| 405 if (components.size() <= fromLevel) | |
| 406 { | |
| 407 return "/"; | |
| 408 } | |
| 409 else | |
| 410 { | |
| 411 std::string r; | |
| 412 | |
| 413 for (size_t i = fromLevel; i < components.size(); i++) | |
| 414 { | |
| 415 r += "/" + components[i]; | |
| 416 } | |
| 417 | |
| 418 return r; | |
| 419 } | |
| 420 } | |
| 421 | |
| 422 | |
| 423 | |
| 424 uint64_t Toolbox::GetFileSize(const std::string& path) | |
| 425 { | |
| 426 try | |
| 427 { | |
| 428 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
| 429 } | |
| 430 catch (boost::filesystem::filesystem_error) | |
| 431 { | |
| 59 | 432 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 433 } |
| 434 } | |
| 22 | 435 |
| 436 | |
| 437 static char GetHexadecimalCharacter(uint8_t value) | |
| 438 { | |
| 439 assert(value < 16); | |
| 440 | |
| 441 if (value < 10) | |
| 442 return value + '0'; | |
| 443 else | |
| 444 return (value - 10) + 'a'; | |
| 445 } | |
| 446 | |
| 23 | 447 |
| 22 | 448 void Toolbox::ComputeMD5(std::string& result, |
| 449 const std::string& data) | |
| 450 { | |
| 451 md5_state_s state; | |
| 452 md5_init(&state); | |
| 453 | |
| 454 if (data.size() > 0) | |
| 455 { | |
| 456 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]), | |
| 457 static_cast<int>(data.size())); | |
| 458 } | |
| 459 | |
| 460 md5_byte_t actualHash[16]; | |
| 461 md5_finish(&state, actualHash); | |
| 462 | |
| 463 result.resize(32); | |
| 464 for (unsigned int i = 0; i < 16; i++) | |
| 465 { | |
| 466 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
| 467 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
| 468 } | |
| 469 } | |
| 24 | 470 |
| 471 | |
| 472 std::string Toolbox::EncodeBase64(const std::string& data) | |
| 473 { | |
| 86 | 474 return base64_encode(data); |
| 24 | 475 } |
| 476 | |
| 365 | 477 std::string Toolbox::DecodeBase64(const std::string& data) |
| 478 { | |
| 479 return base64_decode(data); | |
| 480 } | |
| 481 | |
|
87
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482 |
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483 #if defined(_WIN32) |
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484 std::string Toolbox::GetPathToExecutable() |
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485 { |
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486 // Yes, this is ugly, but there is no simple way to get the |
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487 // required buffer size, so we use a big constant |
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488 std::vector<char> buffer(32768); |
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489 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); |
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490 return std::string(&buffer[0]); |
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491 } |
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492 |
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493 #elif defined(__linux) |
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494 std::string Toolbox::GetPathToExecutable() |
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495 { |
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496 std::vector<char> buffer(PATH_MAX + 1); |
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497 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); |
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498 if (bytes == 0) |
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499 { |
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500 throw OrthancException("Unable to get the path to the executable"); |
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501 } |
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502 |
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503 return std::string(&buffer[0]); |
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504 } |
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505 |
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506 #elif defined(__APPLE__) && defined(__MACH__) |
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507 std::string Toolbox::GetPathToExecutable() |
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508 { |
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509 char pathbuf[PATH_MAX + 1]; |
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510 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); |
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511 |
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512 _NSGetExecutablePath( pathbuf, &bufsize); |
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513 |
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514 return std::string(pathbuf); |
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515 } |
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516 |
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517 #else |
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518 #error Support your platform here |
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519 #endif |
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520 |
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521 |
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522 std::string Toolbox::GetDirectoryOfExecutable() |
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523 { |
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524 boost::filesystem::path p(GetPathToExecutable()); |
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525 return p.parent_path().string(); |
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526 } |
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527 |
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528 |
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529 std::string Toolbox::ConvertToUtf8(const std::string& source, |
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530 const char* fromEncoding) |
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531 { |
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532 #if BOOST_HAS_LOCALE == 1 |
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533 try |
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534 { |
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535 return boost::locale::conv::to_utf<char>(source, fromEncoding); |
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536 } |
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537 catch (std::runtime_error&) |
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538 { |
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539 // Bad input string or bad encoding |
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540 return ConvertToAscii(source); |
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541 } |
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542 #else |
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543 IconvRabi iconv("UTF-8", fromEncoding); |
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544 try |
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545 { |
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546 return iconv.Convert(source); |
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547 } |
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548 catch (OrthancException) |
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549 { |
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550 return ConvertToAscii(source); |
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551 } |
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552 #endif |
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553 } |
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554 |
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555 |
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556 std::string Toolbox::ConvertToAscii(const std::string& source) |
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557 { |
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558 std::string result; |
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559 |
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560 result.reserve(source.size()); |
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561 for (size_t i = 0; i < source.size(); i++) |
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562 { |
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563 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i])) |
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564 { |
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565 result.push_back(source[i]); |
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566 } |
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567 } |
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568 |
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569 return result; |
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570 } |
| 177 | 571 |
| 572 void Toolbox::ComputeSHA1(std::string& result, | |
| 573 const std::string& data) | |
| 574 { | |
|
560
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575 boost::uuids::detail::sha1 sha1; |
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576 |
| 177 | 577 if (data.size() > 0) |
| 578 { | |
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579 sha1.process_bytes(&data[0], data.size()); |
| 177 | 580 } |
| 581 | |
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582 unsigned int digest[5]; |
| 177 | 583 |
| 584 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
|
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585 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); |
| 177 | 586 |
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587 sha1.get_digest(digest); |
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588 |
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589 result.resize(8 * 5 + 4); |
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590 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", |
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591 digest[0], |
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592 digest[1], |
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593 digest[2], |
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594 digest[3], |
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595 digest[4]); |
| 177 | 596 } |
| 597 | |
| 402 | 598 bool Toolbox::IsSHA1(const std::string& str) |
| 599 { | |
| 600 if (str.size() != 44) | |
| 601 { | |
| 602 return false; | |
| 603 } | |
| 604 | |
| 605 for (unsigned int i = 0; i < 44; i++) | |
| 606 { | |
| 607 if (i == 8 || | |
| 608 i == 17 || | |
| 609 i == 26 || | |
| 610 i == 35) | |
| 611 { | |
| 612 if (str[i] != '-') | |
| 613 return false; | |
| 614 } | |
| 615 else | |
| 616 { | |
| 617 if (!isalnum(str[i])) | |
| 618 return false; | |
| 619 } | |
| 620 } | |
| 621 | |
| 622 return true; | |
| 623 } | |
| 624 | |
|
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625 std::string Toolbox::GetNowIsoString() |
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626 { |
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627 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); |
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628 return boost::posix_time::to_iso_string(now); |
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629 } |
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630 |
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631 std::string Toolbox::StripSpaces(const std::string& source) |
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632 { |
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633 size_t first = 0; |
| 177 | 634 |
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635 while (first < source.length() && |
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636 isspace(source[first])) |
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637 { |
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638 first++; |
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639 } |
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640 |
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641 if (first == source.length()) |
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642 { |
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643 // String containing only spaces |
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644 return ""; |
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645 } |
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646 |
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647 size_t last = source.length(); |
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648 while (last > first && |
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649 isspace(source[last - 1])) |
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650 { |
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651 last--; |
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652 } |
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653 |
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654 assert(first <= last); |
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655 return source.substr(first, last - first); |
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656 } |
| 336 | 657 |
| 658 | |
| 337 | 659 static char Hex2Dec(char c) |
| 336 | 660 { |
| 661 return ((c >= '0' && c <= '9') ? c - '0' : | |
| 662 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
| 663 } | |
| 664 | |
| 665 void Toolbox::UrlDecode(std::string& s) | |
| 666 { | |
| 667 // http://en.wikipedia.org/wiki/Percent-encoding | |
| 668 // http://www.w3schools.com/tags/ref_urlencode.asp | |
| 669 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
| 670 | |
| 671 if (s.size() == 0) | |
| 672 { | |
| 673 return; | |
| 674 } | |
| 675 | |
| 676 size_t source = 0; | |
| 677 size_t target = 0; | |
| 678 | |
| 679 while (source < s.size()) | |
| 680 { | |
| 681 if (s[source] == '%' && | |
| 682 source + 2 < s.size() && | |
| 683 isalnum(s[source + 1]) && | |
| 684 isalnum(s[source + 2])) | |
| 685 { | |
| 686 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
| 687 source += 3; | |
| 688 target += 1; | |
| 689 } | |
| 690 else | |
| 691 { | |
| 692 if (s[source] == '+') | |
| 693 s[target] = ' '; | |
| 694 else | |
| 695 s[target] = s[source]; | |
| 696 | |
| 697 source++; | |
| 698 target++; | |
| 699 } | |
| 700 } | |
| 701 | |
| 702 s.resize(target); | |
| 703 } | |
| 453 | 704 |
| 705 | |
| 706 Endianness Toolbox::DetectEndianness() | |
| 707 { | |
| 708 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
| 709 | |
| 710 uint8_t buffer[4]; | |
| 711 | |
| 712 buffer[0] = 0x00; | |
| 713 buffer[1] = 0x01; | |
| 714 buffer[2] = 0x02; | |
| 715 buffer[3] = 0x03; | |
| 716 | |
| 717 switch (*((uint32_t *)buffer)) | |
| 718 { | |
| 719 case 0x00010203: | |
| 720 return Endianness_Big; | |
| 721 | |
| 722 case 0x03020100: | |
| 723 return Endianness_Little; | |
| 724 | |
| 725 default: | |
| 726 throw OrthancException(ErrorCode_NotImplemented); | |
| 727 } | |
| 728 } | |
| 0 | 729 } |