Mercurial > hg > orthanc
annotate Core/Toolbox.cpp @ 87:8517e2c44283
path to configuration
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 26 Sep 2012 17:39:03 +0200 |
| parents | de8a5329b069 |
| children | 3b45473c0a73 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 0 | 3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
| 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. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
| 21 #include "Toolbox.h" | |
| 22 | |
| 59 | 23 #include "OrthancException.h" |
| 0 | 24 |
| 25 #include <string.h> | |
| 26 #include <boost/filesystem.hpp> | |
| 27 #include <boost/filesystem/fstream.hpp> | |
| 28 #include <algorithm> | |
| 29 | |
| 30 #if defined(_WIN32) | |
| 31 #include <windows.h> | |
| 32 #endif | |
| 33 | |
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34 #if defined(__APPLE__) && defined(__MACH__) |
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35 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ |
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36 #include <limits.h> /* PATH_MAX */ |
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37 #endif |
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38 |
| 0 | 39 #if defined(__linux) |
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40 #include <limits.h> /* PATH_MAX */ |
| 10 | 41 #include <signal.h> |
| 0 | 42 #include <unistd.h> |
| 43 #endif | |
| 44 | |
| 22 | 45 #include "../Resources/md5/md5.h" |
| 24 | 46 #include "../Resources/base64/base64.h" |
| 0 | 47 |
| 59 | 48 namespace Orthanc |
| 0 | 49 { |
| 50 static bool finish; | |
| 51 | |
| 10 | 52 #if defined(_WIN32) |
| 22 | 53 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) |
| 54 { | |
| 55 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
| 56 finish = true; | |
| 57 return true; | |
| 58 } | |
| 59 #else | |
| 0 | 60 static void SignalHandler(int) |
| 61 { | |
| 62 finish = true; | |
| 63 } | |
| 22 | 64 #endif |
| 0 | 65 |
| 66 void Toolbox::Sleep(uint32_t seconds) | |
| 67 { | |
| 68 #if defined(_WIN32) | |
| 69 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); | |
| 70 #elif defined(__linux) | |
| 71 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); | |
| 72 #else | |
| 73 #error Support your platform here | |
| 74 #endif | |
| 75 } | |
| 76 | |
| 77 void Toolbox::USleep(uint64_t microSeconds) | |
| 78 { | |
| 79 #if defined(_WIN32) | |
| 8 | 80 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); |
| 0 | 81 #elif defined(__linux) |
| 82 usleep(microSeconds); | |
| 83 #else | |
| 84 #error Support your platform here | |
| 85 #endif | |
| 86 } | |
| 87 | |
| 88 | |
| 89 void Toolbox::ServerBarrier() | |
| 90 { | |
| 10 | 91 #if defined(_WIN32) |
| 92 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
| 93 #else | |
| 0 | 94 signal(SIGINT, SignalHandler); |
| 95 signal(SIGQUIT, SignalHandler); | |
| 96 #endif | |
| 97 | |
| 98 finish = false; | |
| 99 while (!finish) | |
| 100 { | |
| 101 USleep(100000); | |
| 102 } | |
| 103 | |
| 10 | 104 #if defined(_WIN32) |
| 105 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
| 106 #else | |
| 0 | 107 signal(SIGINT, NULL); |
| 108 signal(SIGQUIT, NULL); | |
| 109 #endif | |
| 110 } | |
| 111 | |
| 112 | |
| 113 | |
| 114 void Toolbox::ToUpperCase(std::string& s) | |
| 115 { | |
| 116 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
| 117 } | |
| 118 | |
| 119 | |
| 120 void Toolbox::ToLowerCase(std::string& s) | |
| 121 { | |
| 122 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 123 } | |
| 124 | |
| 125 | |
| 126 | |
| 127 void Toolbox::ReadFile(std::string& content, | |
| 128 const std::string& path) | |
| 129 { | |
| 130 boost::filesystem::ifstream f; | |
| 131 f.open(path, std::ifstream::in | std::ios::binary); | |
| 132 if (!f.good()) | |
| 133 { | |
| 59 | 134 throw OrthancException("Unable to open a file"); |
| 0 | 135 } |
| 136 | |
| 137 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
| 138 f.seekg(0, std::ios::end); | |
| 139 std::streamsize size = f.tellg(); | |
| 140 f.seekg(0, std::ios::beg); | |
| 141 | |
| 142 content.resize(size); | |
| 143 if (size != 0) | |
| 144 { | |
| 145 f.read(reinterpret_cast<char*>(&content[0]), size); | |
| 146 } | |
| 147 | |
| 148 f.close(); | |
| 149 } | |
| 150 | |
| 151 | |
| 152 void Toolbox::RemoveFile(const std::string& path) | |
| 153 { | |
| 154 if (boost::filesystem::exists(path)) | |
| 155 { | |
| 156 if (boost::filesystem::is_regular_file(path)) | |
| 157 boost::filesystem::remove(path); | |
| 158 else | |
| 59 | 159 throw OrthancException("The path is not a regular file: " + path); |
| 0 | 160 } |
| 161 } | |
| 162 | |
| 163 | |
| 164 | |
| 165 void Toolbox::SplitUriComponents(UriComponents& components, | |
| 166 const std::string& uri) | |
| 167 { | |
| 168 static const char URI_SEPARATOR = '/'; | |
| 169 | |
| 170 components.clear(); | |
| 171 | |
| 172 if (uri.size() == 0 || | |
| 173 uri[0] != URI_SEPARATOR) | |
| 174 { | |
| 59 | 175 throw OrthancException(ErrorCode_UriSyntax); |
| 0 | 176 } |
| 177 | |
| 178 // Count the number of slashes in the URI to make an assumption | |
| 179 // about the number of components in the URI | |
| 180 unsigned int estimatedSize = 0; | |
| 181 for (unsigned int i = 0; i < uri.size(); i++) | |
| 182 { | |
| 183 if (uri[i] == URI_SEPARATOR) | |
| 184 estimatedSize++; | |
| 185 } | |
| 186 | |
| 187 components.reserve(estimatedSize - 1); | |
| 188 | |
| 189 unsigned int start = 1; | |
| 190 unsigned int end = 1; | |
| 191 while (end < uri.size()) | |
| 192 { | |
| 193 // This is the loop invariant | |
| 194 assert(uri[start - 1] == '/' && (end >= start)); | |
| 195 | |
| 196 if (uri[end] == '/') | |
| 197 { | |
| 198 components.push_back(std::string(&uri[start], end - start)); | |
| 199 end++; | |
| 200 start = end; | |
| 201 } | |
| 202 else | |
| 203 { | |
| 204 end++; | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 if (start < uri.size()) | |
| 209 { | |
| 210 components.push_back(std::string(&uri[start], end - start)); | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 | |
| 215 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
| 216 const UriComponents& testedUri) | |
| 217 { | |
| 218 if (testedUri.size() < baseUri.size()) | |
| 219 { | |
| 220 return false; | |
| 221 } | |
| 222 | |
| 223 for (size_t i = 0; i < baseUri.size(); i++) | |
| 224 { | |
| 225 if (baseUri[i] != testedUri[i]) | |
| 226 return false; | |
| 227 } | |
| 228 | |
| 229 return true; | |
| 230 } | |
| 231 | |
| 232 | |
| 233 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
| 234 { | |
| 235 std::string contentType; | |
| 236 size_t lastDot = path.rfind('.'); | |
| 237 size_t lastSlash = path.rfind('/'); | |
| 238 | |
| 239 if (lastDot == std::string::npos || | |
| 240 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
| 241 { | |
| 242 // No trailing dot, unable to detect the content type | |
| 243 } | |
| 244 else | |
| 245 { | |
| 246 const char* extension = &path[lastDot + 1]; | |
| 247 | |
| 248 // http://en.wikipedia.org/wiki/Mime_types | |
| 249 // Text types | |
| 250 if (!strcmp(extension, "txt")) | |
| 251 contentType = "text/plain"; | |
| 252 else if (!strcmp(extension, "html")) | |
| 253 contentType = "text/html"; | |
| 254 else if (!strcmp(extension, "xml")) | |
| 255 contentType = "text/xml"; | |
| 256 else if (!strcmp(extension, "css")) | |
| 257 contentType = "text/css"; | |
| 258 | |
| 259 // Application types | |
| 260 else if (!strcmp(extension, "js")) | |
| 261 contentType = "application/javascript"; | |
| 262 else if (!strcmp(extension, "json")) | |
| 263 contentType = "application/json"; | |
| 264 else if (!strcmp(extension, "pdf")) | |
| 265 contentType = "application/pdf"; | |
| 266 | |
| 267 // Images types | |
| 268 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
| 269 contentType = "image/jpeg"; | |
| 270 else if (!strcmp(extension, "gif")) | |
| 271 contentType = "image/gif"; | |
| 272 else if (!strcmp(extension, "png")) | |
| 273 contentType = "image/png"; | |
| 274 } | |
| 275 | |
| 276 return contentType; | |
| 277 } | |
| 278 | |
| 279 | |
| 280 std::string Toolbox::FlattenUri(const UriComponents& components, | |
| 281 size_t fromLevel) | |
| 282 { | |
| 283 if (components.size() <= fromLevel) | |
| 284 { | |
| 285 return "/"; | |
| 286 } | |
| 287 else | |
| 288 { | |
| 289 std::string r; | |
| 290 | |
| 291 for (size_t i = fromLevel; i < components.size(); i++) | |
| 292 { | |
| 293 r += "/" + components[i]; | |
| 294 } | |
| 295 | |
| 296 return r; | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 | |
| 301 | |
| 302 uint64_t Toolbox::GetFileSize(const std::string& path) | |
| 303 { | |
| 304 try | |
| 305 { | |
| 306 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
| 307 } | |
| 308 catch (boost::filesystem::filesystem_error) | |
| 309 { | |
| 59 | 310 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 311 } |
| 312 } | |
| 22 | 313 |
| 314 | |
| 315 static char GetHexadecimalCharacter(uint8_t value) | |
| 316 { | |
| 317 assert(value < 16); | |
| 318 | |
| 319 if (value < 10) | |
| 320 return value + '0'; | |
| 321 else | |
| 322 return (value - 10) + 'a'; | |
| 323 } | |
| 324 | |
| 23 | 325 |
| 22 | 326 void Toolbox::ComputeMD5(std::string& result, |
| 327 const std::string& data) | |
| 328 { | |
| 329 md5_state_s state; | |
| 330 md5_init(&state); | |
| 331 | |
| 332 if (data.size() > 0) | |
| 333 { | |
| 334 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]), | |
| 335 static_cast<int>(data.size())); | |
| 336 } | |
| 337 | |
| 338 md5_byte_t actualHash[16]; | |
| 339 md5_finish(&state, actualHash); | |
| 340 | |
| 341 result.resize(32); | |
| 342 for (unsigned int i = 0; i < 16; i++) | |
| 343 { | |
| 344 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
| 345 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
| 346 } | |
| 347 } | |
| 24 | 348 |
| 349 | |
| 350 std::string Toolbox::EncodeBase64(const std::string& data) | |
| 351 { | |
| 86 | 352 return base64_encode(data); |
| 24 | 353 } |
| 354 | |
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355 |
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356 #if defined(_WIN32) |
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357 std::string Toolbox::GetPathToExecutable() |
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358 { |
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359 // Yes, this is ugly, but there is no simple way to get the |
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360 // required buffer size, so we use a big constant |
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361 std::vector<char> buffer(32768); |
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362 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); |
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363 return std::string(&buffer[0]); |
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364 } |
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365 |
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366 #elif defined(__linux) |
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367 std::string Toolbox::GetPathToExecutable() |
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368 { |
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369 std::vector<char> buffer(PATH_MAX + 1); |
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370 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); |
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371 if (bytes == 0) |
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372 { |
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373 throw OrthancException("Unable to get the path to the executable"); |
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374 } |
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375 |
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376 return std::string(&buffer[0]); |
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377 } |
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378 |
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379 #elif defined(__APPLE__) && defined(__MACH__) |
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380 std::string Toolbox::GetPathToExecutable() |
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381 { |
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382 char pathbuf[PATH_MAX + 1]; |
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383 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); |
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384 |
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385 _NSGetExecutablePath( pathbuf, &bufsize); |
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386 |
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387 return std::string(pathbuf); |
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388 } |
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389 |
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390 #else |
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391 #error Support your platform here |
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392 #endif |
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393 |
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394 |
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395 std::string Toolbox::GetDirectoryOfExecutable() |
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396 { |
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397 boost::filesystem::path p(GetPathToExecutable()); |
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398 return p.parent_path().string(); |
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399 } |
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400 |
| 0 | 401 } |