Mercurial > hg > orthanc-webviewer
annotate Orthanc/Core/Toolbox.cpp @ 140:31615831e42d
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 30 Jun 2016 20:45:54 +0200 |
parents | d73006baca3f |
children | 9362080e5e3d |
rev | line source |
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78 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
122 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
78 | 4 * Department, University Hospital of Liege, 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 * 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. | |
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 "PrecompiledHeaders.h" | |
34 #include "Toolbox.h" | |
35 | |
36 #include "OrthancException.h" | |
37 #include "Logging.h" | |
38 | |
39 #include <string> | |
40 #include <stdint.h> | |
41 #include <string.h> | |
42 #include <boost/filesystem.hpp> | |
43 #include <boost/filesystem/fstream.hpp> | |
44 #include <boost/uuid/sha1.hpp> | |
45 #include <boost/lexical_cast.hpp> | |
46 #include <algorithm> | |
47 #include <ctype.h> | |
48 | |
49 #if BOOST_HAS_DATE_TIME == 1 | |
50 #include <boost/date_time/posix_time/posix_time.hpp> | |
51 #endif | |
52 | |
53 #if BOOST_HAS_REGEX == 1 | |
54 #include <boost/regex.hpp> | |
55 #endif | |
56 | |
57 #if defined(_WIN32) | |
58 #include <windows.h> | |
59 #include <process.h> // For "_spawnvp()" and "_getpid()" | |
60 #else | |
61 #include <unistd.h> // For "execvp()" | |
62 #include <sys/wait.h> // For "waitpid()" | |
63 #endif | |
64 | |
65 #if defined(__APPLE__) && defined(__MACH__) | |
66 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ | |
67 #include <limits.h> /* PATH_MAX */ | |
68 #endif | |
69 | |
128
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70 #if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) |
78 | 71 #include <limits.h> /* PATH_MAX */ |
72 #include <signal.h> | |
73 #include <unistd.h> | |
74 #endif | |
75 | |
76 #if BOOST_HAS_LOCALE != 1 | |
77 #error Since version 0.7.6, Orthanc entirely relies on boost::locale | |
78 #endif | |
79 | |
80 #include <boost/locale.hpp> | |
81 | |
82 | |
83 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 | |
84 #include "../Resources/ThirdParty/md5/md5.h" | |
85 #endif | |
86 | |
87 | |
88 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 | |
89 #include "../Resources/ThirdParty/base64/base64.h" | |
90 #endif | |
91 | |
92 | |
93 #if defined(_MSC_VER) && (_MSC_VER < 1800) | |
94 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013 | |
95 extern "C" | |
96 { | |
97 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
98 int64_t strtoll(const char *nptr, char **endptr, int base) | |
99 { | |
100 return _strtoi64(nptr, endptr, base); | |
101 } | |
102 } | |
103 #endif | |
104 | |
105 | |
106 #if ORTHANC_PUGIXML_ENABLED == 1 | |
107 #include "ChunkedBuffer.h" | |
108 #include <pugixml.hpp> | |
109 #endif | |
110 | |
111 | |
112 namespace Orthanc | |
113 { | |
134 | 114 static bool finish_; |
115 static ServerBarrierEvent barrierEvent_; | |
78 | 116 |
117 #if defined(_WIN32) | |
118 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) | |
119 { | |
120 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
134 | 121 finish_ = true; |
78 | 122 return true; |
123 } | |
124 #else | |
134 | 125 static void SignalHandler(int signal) |
78 | 126 { |
134 | 127 if (signal == SIGHUP) |
128 { | |
129 barrierEvent_ = ServerBarrierEvent_Reload; | |
130 } | |
131 | |
132 finish_ = true; | |
78 | 133 } |
134 #endif | |
135 | |
125 | 136 |
78 | 137 void Toolbox::USleep(uint64_t microSeconds) |
138 { | |
139 #if defined(_WIN32) | |
140 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); | |
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141 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) |
78 | 142 usleep(microSeconds); |
143 #else | |
144 #error Support your platform here | |
145 #endif | |
146 } | |
147 | |
148 | |
134 | 149 static ServerBarrierEvent ServerBarrierInternal(const bool* stopFlag) |
78 | 150 { |
151 #if defined(_WIN32) | |
152 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
153 #else | |
154 signal(SIGINT, SignalHandler); | |
155 signal(SIGQUIT, SignalHandler); | |
156 signal(SIGTERM, SignalHandler); | |
134 | 157 signal(SIGHUP, SignalHandler); |
78 | 158 #endif |
159 | |
160 // Active loop that awakens every 100ms | |
134 | 161 finish_ = false; |
162 barrierEvent_ = ServerBarrierEvent_Stop; | |
163 while (!(*stopFlag || finish_)) | |
78 | 164 { |
165 Toolbox::USleep(100 * 1000); | |
166 } | |
167 | |
168 #if defined(_WIN32) | |
169 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
170 #else | |
171 signal(SIGINT, NULL); | |
172 signal(SIGQUIT, NULL); | |
173 signal(SIGTERM, NULL); | |
134 | 174 signal(SIGHUP, NULL); |
78 | 175 #endif |
134 | 176 |
177 return barrierEvent_; | |
78 | 178 } |
179 | |
180 | |
134 | 181 ServerBarrierEvent Toolbox::ServerBarrier(const bool& stopFlag) |
78 | 182 { |
134 | 183 return ServerBarrierInternal(&stopFlag); |
78 | 184 } |
185 | |
134 | 186 ServerBarrierEvent Toolbox::ServerBarrier() |
78 | 187 { |
188 const bool stopFlag = false; | |
134 | 189 return ServerBarrierInternal(&stopFlag); |
78 | 190 } |
191 | |
192 | |
193 void Toolbox::ToUpperCase(std::string& s) | |
194 { | |
195 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
196 } | |
197 | |
198 | |
199 void Toolbox::ToLowerCase(std::string& s) | |
200 { | |
201 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
202 } | |
203 | |
204 | |
205 void Toolbox::ToUpperCase(std::string& result, | |
206 const std::string& source) | |
207 { | |
208 result = source; | |
209 ToUpperCase(result); | |
210 } | |
211 | |
212 void Toolbox::ToLowerCase(std::string& result, | |
213 const std::string& source) | |
214 { | |
215 result = source; | |
216 ToLowerCase(result); | |
217 } | |
218 | |
219 | |
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220 static std::streamsize GetStreamSize(std::istream& f) |
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221 { |
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222 // http://www.cplusplus.com/reference/iostream/istream/tellg/ |
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223 f.seekg(0, std::ios::end); |
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224 std::streamsize size = f.tellg(); |
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225 f.seekg(0, std::ios::beg); |
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226 |
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227 return size; |
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228 } |
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229 |
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230 |
78 | 231 void Toolbox::ReadFile(std::string& content, |
232 const std::string& path) | |
233 { | |
125 | 234 if (!IsRegularFile(path)) |
78 | 235 { |
89 | 236 LOG(ERROR) << std::string("The path does not point to a regular file: ") << path; |
78 | 237 throw OrthancException(ErrorCode_RegularFileExpected); |
238 } | |
239 | |
240 boost::filesystem::ifstream f; | |
241 f.open(path, std::ifstream::in | std::ifstream::binary); | |
242 if (!f.good()) | |
243 { | |
244 throw OrthancException(ErrorCode_InexistentFile); | |
245 } | |
246 | |
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247 std::streamsize size = GetStreamSize(f); |
78 | 248 content.resize(size); |
249 if (size != 0) | |
250 { | |
251 f.read(reinterpret_cast<char*>(&content[0]), size); | |
252 } | |
253 | |
254 f.close(); | |
255 } | |
256 | |
257 | |
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258 bool Toolbox::ReadHeader(std::string& header, |
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259 const std::string& path, |
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260 size_t headerSize) |
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261 { |
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262 if (!IsRegularFile(path)) |
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263 { |
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264 LOG(ERROR) << std::string("The path does not point to a regular file: ") << path; |
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265 throw OrthancException(ErrorCode_RegularFileExpected); |
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266 } |
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267 |
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268 boost::filesystem::ifstream f; |
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269 f.open(path, std::ifstream::in | std::ifstream::binary); |
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270 if (!f.good()) |
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271 { |
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272 throw OrthancException(ErrorCode_InexistentFile); |
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273 } |
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274 |
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275 bool full = true; |
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276 |
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277 { |
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278 std::streamsize size = GetStreamSize(f); |
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279 if (size <= 0) |
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280 { |
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281 headerSize = 0; |
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282 full = false; |
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283 } |
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284 else if (static_cast<size_t>(size) < headerSize) |
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285 { |
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286 headerSize = size; // Truncate to the size of the file |
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287 full = false; |
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288 } |
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289 } |
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290 |
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291 header.resize(headerSize); |
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292 if (headerSize != 0) |
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293 { |
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294 f.read(reinterpret_cast<char*>(&header[0]), headerSize); |
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295 } |
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296 |
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297 f.close(); |
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298 |
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299 return full; |
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300 } |
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301 |
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302 |
78 | 303 void Toolbox::WriteFile(const void* content, |
304 size_t size, | |
305 const std::string& path) | |
306 { | |
307 boost::filesystem::ofstream f; | |
308 f.open(path, std::ofstream::binary); | |
309 if (!f.good()) | |
310 { | |
311 throw OrthancException(ErrorCode_CannotWriteFile); | |
312 } | |
313 | |
314 if (size != 0) | |
315 { | |
316 f.write(reinterpret_cast<const char*>(content), size); | |
317 } | |
318 | |
319 f.close(); | |
320 } | |
321 | |
322 | |
323 void Toolbox::WriteFile(const std::string& content, | |
324 const std::string& path) | |
325 { | |
326 WriteFile(content.size() > 0 ? content.c_str() : NULL, | |
327 content.size(), path); | |
328 } | |
329 | |
330 | |
331 void Toolbox::RemoveFile(const std::string& path) | |
332 { | |
333 if (boost::filesystem::exists(path)) | |
334 { | |
125 | 335 if (IsRegularFile(path)) |
78 | 336 { |
337 boost::filesystem::remove(path); | |
338 } | |
339 else | |
340 { | |
341 throw OrthancException(ErrorCode_RegularFileExpected); | |
342 } | |
343 } | |
344 } | |
345 | |
346 | |
347 | |
348 void Toolbox::SplitUriComponents(UriComponents& components, | |
349 const std::string& uri) | |
350 { | |
351 static const char URI_SEPARATOR = '/'; | |
352 | |
353 components.clear(); | |
354 | |
355 if (uri.size() == 0 || | |
356 uri[0] != URI_SEPARATOR) | |
357 { | |
358 throw OrthancException(ErrorCode_UriSyntax); | |
359 } | |
360 | |
361 // Count the number of slashes in the URI to make an assumption | |
362 // about the number of components in the URI | |
363 unsigned int estimatedSize = 0; | |
364 for (unsigned int i = 0; i < uri.size(); i++) | |
365 { | |
366 if (uri[i] == URI_SEPARATOR) | |
367 estimatedSize++; | |
368 } | |
369 | |
370 components.reserve(estimatedSize - 1); | |
371 | |
372 unsigned int start = 1; | |
373 unsigned int end = 1; | |
374 while (end < uri.size()) | |
375 { | |
376 // This is the loop invariant | |
377 assert(uri[start - 1] == '/' && (end >= start)); | |
378 | |
379 if (uri[end] == '/') | |
380 { | |
381 components.push_back(std::string(&uri[start], end - start)); | |
382 end++; | |
383 start = end; | |
384 } | |
385 else | |
386 { | |
387 end++; | |
388 } | |
389 } | |
390 | |
391 if (start < uri.size()) | |
392 { | |
393 components.push_back(std::string(&uri[start], end - start)); | |
394 } | |
395 | |
396 for (size_t i = 0; i < components.size(); i++) | |
397 { | |
398 if (components[i].size() == 0) | |
399 { | |
400 // Empty component, as in: "/coucou//e" | |
401 throw OrthancException(ErrorCode_UriSyntax); | |
402 } | |
403 } | |
404 } | |
405 | |
406 | |
407 void Toolbox::TruncateUri(UriComponents& target, | |
408 const UriComponents& source, | |
409 size_t fromLevel) | |
410 { | |
411 target.clear(); | |
412 | |
413 if (source.size() > fromLevel) | |
414 { | |
415 target.resize(source.size() - fromLevel); | |
416 | |
417 size_t j = 0; | |
418 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
419 { | |
420 target[j] = source[i]; | |
421 } | |
422 | |
423 assert(j == target.size()); | |
424 } | |
425 } | |
426 | |
427 | |
428 | |
429 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
430 const UriComponents& testedUri) | |
431 { | |
432 if (testedUri.size() < baseUri.size()) | |
433 { | |
434 return false; | |
435 } | |
436 | |
437 for (size_t i = 0; i < baseUri.size(); i++) | |
438 { | |
439 if (baseUri[i] != testedUri[i]) | |
440 return false; | |
441 } | |
442 | |
443 return true; | |
444 } | |
445 | |
446 | |
447 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
448 { | |
449 std::string contentType; | |
450 size_t lastDot = path.rfind('.'); | |
451 size_t lastSlash = path.rfind('/'); | |
452 | |
453 if (lastDot == std::string::npos || | |
454 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
455 { | |
456 // No trailing dot, unable to detect the content type | |
457 } | |
458 else | |
459 { | |
460 const char* extension = &path[lastDot + 1]; | |
461 | |
462 // http://en.wikipedia.org/wiki/Mime_types | |
463 // Text types | |
464 if (!strcmp(extension, "txt")) | |
465 contentType = "text/plain"; | |
466 else if (!strcmp(extension, "html")) | |
467 contentType = "text/html"; | |
468 else if (!strcmp(extension, "xml")) | |
469 contentType = "text/xml"; | |
470 else if (!strcmp(extension, "css")) | |
471 contentType = "text/css"; | |
472 | |
473 // Application types | |
474 else if (!strcmp(extension, "js")) | |
475 contentType = "application/javascript"; | |
476 else if (!strcmp(extension, "json")) | |
477 contentType = "application/json"; | |
478 else if (!strcmp(extension, "pdf")) | |
479 contentType = "application/pdf"; | |
480 | |
481 // Images types | |
482 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
483 contentType = "image/jpeg"; | |
484 else if (!strcmp(extension, "gif")) | |
485 contentType = "image/gif"; | |
486 else if (!strcmp(extension, "png")) | |
487 contentType = "image/png"; | |
488 } | |
489 | |
490 return contentType; | |
491 } | |
492 | |
493 | |
494 std::string Toolbox::FlattenUri(const UriComponents& components, | |
495 size_t fromLevel) | |
496 { | |
497 if (components.size() <= fromLevel) | |
498 { | |
499 return "/"; | |
500 } | |
501 else | |
502 { | |
503 std::string r; | |
504 | |
505 for (size_t i = fromLevel; i < components.size(); i++) | |
506 { | |
507 r += "/" + components[i]; | |
508 } | |
509 | |
510 return r; | |
511 } | |
512 } | |
513 | |
514 | |
515 | |
516 uint64_t Toolbox::GetFileSize(const std::string& path) | |
517 { | |
518 try | |
519 { | |
520 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
521 } | |
522 catch (boost::filesystem::filesystem_error&) | |
523 { | |
524 throw OrthancException(ErrorCode_InexistentFile); | |
525 } | |
526 } | |
527 | |
528 | |
529 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 | |
530 static char GetHexadecimalCharacter(uint8_t value) | |
531 { | |
532 assert(value < 16); | |
533 | |
534 if (value < 10) | |
82 | 535 { |
78 | 536 return value + '0'; |
82 | 537 } |
78 | 538 else |
82 | 539 { |
78 | 540 return (value - 10) + 'a'; |
82 | 541 } |
78 | 542 } |
543 | |
544 | |
545 void Toolbox::ComputeMD5(std::string& result, | |
546 const std::string& data) | |
547 { | |
548 if (data.size() > 0) | |
549 { | |
550 ComputeMD5(result, &data[0], data.size()); | |
551 } | |
552 else | |
553 { | |
554 ComputeMD5(result, NULL, 0); | |
555 } | |
556 } | |
557 | |
558 | |
559 void Toolbox::ComputeMD5(std::string& result, | |
560 const void* data, | |
90 | 561 size_t size) |
78 | 562 { |
563 md5_state_s state; | |
564 md5_init(&state); | |
565 | |
90 | 566 if (size > 0) |
78 | 567 { |
568 md5_append(&state, | |
569 reinterpret_cast<const md5_byte_t*>(data), | |
90 | 570 static_cast<int>(size)); |
78 | 571 } |
572 | |
573 md5_byte_t actualHash[16]; | |
574 md5_finish(&state, actualHash); | |
575 | |
576 result.resize(32); | |
577 for (unsigned int i = 0; i < 16; i++) | |
578 { | |
82 | 579 result[2 * i] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] / 16)); |
580 result[2 * i + 1] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] % 16)); | |
78 | 581 } |
582 } | |
583 #endif | |
584 | |
585 | |
586 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 | |
587 void Toolbox::EncodeBase64(std::string& result, | |
588 const std::string& data) | |
589 { | |
590 result = base64_encode(data); | |
591 } | |
592 | |
593 void Toolbox::DecodeBase64(std::string& result, | |
594 const std::string& data) | |
595 { | |
129 | 596 for (size_t i = 0; i < data.length(); i++) |
597 { | |
598 if (!isalnum(data[i]) && | |
599 data[i] != '+' && | |
600 data[i] != '/' && | |
601 data[i] != '=') | |
602 { | |
603 // This is not a valid character for a Base64 string | |
604 throw OrthancException(ErrorCode_BadFileFormat); | |
605 } | |
606 } | |
607 | |
78 | 608 result = base64_decode(data); |
609 } | |
79 | 610 |
611 | |
612 # if BOOST_HAS_REGEX == 1 | |
129 | 613 bool Toolbox::DecodeDataUriScheme(std::string& mime, |
79 | 614 std::string& content, |
615 const std::string& source) | |
616 { | |
617 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
618 boost::regex::icase /* case insensitive search */); | |
619 | |
620 boost::cmatch what; | |
621 if (regex_match(source.c_str(), what, pattern)) | |
622 { | |
623 mime = what[1]; | |
624 DecodeBase64(content, what[2]); | |
129 | 625 return true; |
79 | 626 } |
627 else | |
628 { | |
129 | 629 return false; |
79 | 630 } |
631 } | |
632 # endif | |
633 | |
90 | 634 |
635 void Toolbox::EncodeDataUriScheme(std::string& result, | |
636 const std::string& mime, | |
637 const std::string& content) | |
638 { | |
639 result = "data:" + mime + ";base64," + base64_encode(content); | |
640 } | |
641 | |
78 | 642 #endif |
643 | |
644 | |
645 | |
646 #if defined(_WIN32) | |
647 static std::string GetPathToExecutableInternal() | |
648 { | |
649 // Yes, this is ugly, but there is no simple way to get the | |
650 // required buffer size, so we use a big constant | |
651 std::vector<char> buffer(32768); | |
652 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); | |
653 return std::string(&buffer[0]); | |
654 } | |
655 | |
128
e8cfda4c8a2f
Sync + support of JPEG2000 lossless images with YBR_RCT photometric interpretation
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
125
diff
changeset
|
656 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) |
78 | 657 static std::string GetPathToExecutableInternal() |
658 { | |
659 std::vector<char> buffer(PATH_MAX + 1); | |
660 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); | |
661 if (bytes == 0) | |
662 { | |
663 throw OrthancException(ErrorCode_PathToExecutable); | |
664 } | |
665 | |
666 return std::string(&buffer[0]); | |
667 } | |
668 | |
669 #elif defined(__APPLE__) && defined(__MACH__) | |
670 static std::string GetPathToExecutableInternal() | |
671 { | |
672 char pathbuf[PATH_MAX + 1]; | |
673 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); | |
674 | |
675 _NSGetExecutablePath( pathbuf, &bufsize); | |
676 | |
677 return std::string(pathbuf); | |
678 } | |
679 | |
680 #else | |
681 #error Support your platform here | |
682 #endif | |
683 | |
684 | |
685 std::string Toolbox::GetPathToExecutable() | |
686 { | |
687 boost::filesystem::path p(GetPathToExecutableInternal()); | |
688 return boost::filesystem::absolute(p).string(); | |
689 } | |
690 | |
691 | |
692 std::string Toolbox::GetDirectoryOfExecutable() | |
693 { | |
694 boost::filesystem::path p(GetPathToExecutableInternal()); | |
695 return boost::filesystem::absolute(p.parent_path()).string(); | |
696 } | |
697 | |
698 | |
699 static const char* GetBoostLocaleEncoding(const Encoding sourceEncoding) | |
700 { | |
701 switch (sourceEncoding) | |
702 { | |
703 case Encoding_Utf8: | |
704 return "UTF-8"; | |
705 | |
706 case Encoding_Ascii: | |
707 return "ASCII"; | |
708 | |
709 case Encoding_Latin1: | |
710 return "ISO-8859-1"; | |
711 break; | |
712 | |
713 case Encoding_Latin2: | |
714 return "ISO-8859-2"; | |
715 break; | |
716 | |
717 case Encoding_Latin3: | |
718 return "ISO-8859-3"; | |
719 break; | |
720 | |
721 case Encoding_Latin4: | |
722 return "ISO-8859-4"; | |
723 break; | |
724 | |
725 case Encoding_Latin5: | |
726 return "ISO-8859-9"; | |
727 break; | |
728 | |
729 case Encoding_Cyrillic: | |
730 return "ISO-8859-5"; | |
731 break; | |
732 | |
733 case Encoding_Windows1251: | |
734 return "WINDOWS-1251"; | |
735 break; | |
736 | |
737 case Encoding_Arabic: | |
738 return "ISO-8859-6"; | |
739 break; | |
740 | |
741 case Encoding_Greek: | |
742 return "ISO-8859-7"; | |
743 break; | |
744 | |
745 case Encoding_Hebrew: | |
746 return "ISO-8859-8"; | |
747 break; | |
748 | |
749 case Encoding_Japanese: | |
750 return "SHIFT-JIS"; | |
751 break; | |
752 | |
753 case Encoding_Chinese: | |
754 return "GB18030"; | |
755 break; | |
756 | |
757 case Encoding_Thai: | |
758 return "TIS620.2533-0"; | |
759 break; | |
760 | |
761 default: | |
762 throw OrthancException(ErrorCode_NotImplemented); | |
763 } | |
764 } | |
765 | |
766 | |
767 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
768 Encoding sourceEncoding) | |
769 { | |
770 if (sourceEncoding == Encoding_Utf8) | |
771 { | |
772 // Already in UTF-8: No conversion is required | |
773 return source; | |
774 } | |
775 | |
776 if (sourceEncoding == Encoding_Ascii) | |
777 { | |
778 return ConvertToAscii(source); | |
779 } | |
780 | |
781 const char* encoding = GetBoostLocaleEncoding(sourceEncoding); | |
782 | |
783 try | |
784 { | |
785 return boost::locale::conv::to_utf<char>(source, encoding); | |
786 } | |
787 catch (std::runtime_error&) | |
788 { | |
789 // Bad input string or bad encoding | |
790 return ConvertToAscii(source); | |
791 } | |
792 } | |
793 | |
794 | |
795 std::string Toolbox::ConvertFromUtf8(const std::string& source, | |
796 Encoding targetEncoding) | |
797 { | |
798 if (targetEncoding == Encoding_Utf8) | |
799 { | |
800 // Already in UTF-8: No conversion is required | |
801 return source; | |
802 } | |
803 | |
804 if (targetEncoding == Encoding_Ascii) | |
805 { | |
806 return ConvertToAscii(source); | |
807 } | |
808 | |
809 const char* encoding = GetBoostLocaleEncoding(targetEncoding); | |
810 | |
811 try | |
812 { | |
813 return boost::locale::conv::from_utf<char>(source, encoding); | |
814 } | |
815 catch (std::runtime_error&) | |
816 { | |
817 // Bad input string or bad encoding | |
818 return ConvertToAscii(source); | |
819 } | |
820 } | |
821 | |
822 | |
823 std::string Toolbox::ConvertToAscii(const std::string& source) | |
824 { | |
825 std::string result; | |
826 | |
827 result.reserve(source.size() + 1); | |
828 for (size_t i = 0; i < source.size(); i++) | |
829 { | |
830 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
831 { | |
832 result.push_back(source[i]); | |
833 } | |
834 } | |
835 | |
836 return result; | |
837 } | |
838 | |
90 | 839 |
78 | 840 void Toolbox::ComputeSHA1(std::string& result, |
90 | 841 const void* data, |
842 size_t size) | |
78 | 843 { |
844 boost::uuids::detail::sha1 sha1; | |
845 | |
90 | 846 if (size > 0) |
78 | 847 { |
90 | 848 sha1.process_bytes(data, size); |
78 | 849 } |
850 | |
851 unsigned int digest[5]; | |
852 | |
853 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
854 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
855 | |
856 sha1.get_digest(digest); | |
857 | |
858 result.resize(8 * 5 + 4); | |
859 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
860 digest[0], | |
861 digest[1], | |
862 digest[2], | |
863 digest[3], | |
864 digest[4]); | |
865 } | |
866 | |
90 | 867 void Toolbox::ComputeSHA1(std::string& result, |
868 const std::string& data) | |
869 { | |
870 if (data.size() > 0) | |
871 { | |
872 ComputeSHA1(result, data.c_str(), data.size()); | |
873 } | |
874 else | |
875 { | |
876 ComputeSHA1(result, NULL, 0); | |
877 } | |
878 } | |
879 | |
880 | |
78 | 881 bool Toolbox::IsSHA1(const char* str, |
882 size_t size) | |
883 { | |
884 if (size == 0) | |
885 { | |
886 return false; | |
887 } | |
888 | |
889 const char* start = str; | |
890 const char* end = str + size; | |
891 | |
892 // Trim the beginning of the string | |
893 while (start < end) | |
894 { | |
895 if (*start == '\0' || | |
896 isspace(*start)) | |
897 { | |
898 start++; | |
899 } | |
900 else | |
901 { | |
902 break; | |
903 } | |
904 } | |
905 | |
906 // Trim the trailing of the string | |
907 while (start < end) | |
908 { | |
909 if (*(end - 1) == '\0' || | |
910 isspace(*(end - 1))) | |
911 { | |
912 end--; | |
913 } | |
914 else | |
915 { | |
916 break; | |
917 } | |
918 } | |
919 | |
920 if (end - start != 44) | |
921 { | |
922 return false; | |
923 } | |
924 | |
925 for (unsigned int i = 0; i < 44; i++) | |
926 { | |
927 if (i == 8 || | |
928 i == 17 || | |
929 i == 26 || | |
930 i == 35) | |
931 { | |
932 if (start[i] != '-') | |
933 return false; | |
934 } | |
935 else | |
936 { | |
937 if (!isalnum(start[i])) | |
938 return false; | |
939 } | |
940 } | |
941 | |
942 return true; | |
943 } | |
944 | |
945 | |
946 bool Toolbox::IsSHA1(const std::string& s) | |
947 { | |
948 if (s.size() == 0) | |
949 { | |
950 return false; | |
951 } | |
952 else | |
953 { | |
954 return IsSHA1(s.c_str(), s.size()); | |
955 } | |
956 } | |
957 | |
958 | |
959 #if BOOST_HAS_DATE_TIME == 1 | |
960 std::string Toolbox::GetNowIsoString() | |
961 { | |
962 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
963 return boost::posix_time::to_iso_string(now); | |
964 } | |
965 | |
966 void Toolbox::GetNowDicom(std::string& date, | |
967 std::string& time) | |
968 { | |
969 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
970 tm tm = boost::posix_time::to_tm(now); | |
971 | |
972 char s[32]; | |
973 sprintf(s, "%04d%02d%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); | |
974 date.assign(s); | |
975 | |
976 // TODO milliseconds | |
977 sprintf(s, "%02d%02d%02d.%06d", tm.tm_hour, tm.tm_min, tm.tm_sec, 0); | |
978 time.assign(s); | |
979 } | |
980 #endif | |
981 | |
982 | |
983 std::string Toolbox::StripSpaces(const std::string& source) | |
984 { | |
985 size_t first = 0; | |
986 | |
987 while (first < source.length() && | |
988 isspace(source[first])) | |
989 { | |
990 first++; | |
991 } | |
992 | |
993 if (first == source.length()) | |
994 { | |
995 // String containing only spaces | |
996 return ""; | |
997 } | |
998 | |
999 size_t last = source.length(); | |
1000 while (last > first && | |
1001 isspace(source[last - 1])) | |
1002 { | |
1003 last--; | |
1004 } | |
1005 | |
1006 assert(first <= last); | |
1007 return source.substr(first, last - first); | |
1008 } | |
1009 | |
1010 | |
1011 static char Hex2Dec(char c) | |
1012 { | |
1013 return ((c >= '0' && c <= '9') ? c - '0' : | |
1014 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
1015 } | |
1016 | |
1017 void Toolbox::UrlDecode(std::string& s) | |
1018 { | |
1019 // http://en.wikipedia.org/wiki/Percent-encoding | |
1020 // http://www.w3schools.com/tags/ref_urlencode.asp | |
1021 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
1022 | |
1023 if (s.size() == 0) | |
1024 { | |
1025 return; | |
1026 } | |
1027 | |
1028 size_t source = 0; | |
1029 size_t target = 0; | |
1030 | |
1031 while (source < s.size()) | |
1032 { | |
1033 if (s[source] == '%' && | |
1034 source + 2 < s.size() && | |
1035 isalnum(s[source + 1]) && | |
1036 isalnum(s[source + 2])) | |
1037 { | |
1038 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
1039 source += 3; | |
1040 target += 1; | |
1041 } | |
1042 else | |
1043 { | |
1044 if (s[source] == '+') | |
1045 s[target] = ' '; | |
1046 else | |
1047 s[target] = s[source]; | |
1048 | |
1049 source++; | |
1050 target++; | |
1051 } | |
1052 } | |
1053 | |
1054 s.resize(target); | |
1055 } | |
1056 | |
1057 | |
1058 Endianness Toolbox::DetectEndianness() | |
1059 { | |
1060 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
1061 | |
1062 uint8_t buffer[4]; | |
1063 | |
1064 buffer[0] = 0x00; | |
1065 buffer[1] = 0x01; | |
1066 buffer[2] = 0x02; | |
1067 buffer[3] = 0x03; | |
1068 | |
1069 switch (*((uint32_t *)buffer)) | |
1070 { | |
1071 case 0x00010203: | |
1072 return Endianness_Big; | |
1073 | |
1074 case 0x03020100: | |
1075 return Endianness_Little; | |
1076 | |
1077 default: | |
1078 throw OrthancException(ErrorCode_NotImplemented); | |
1079 } | |
1080 } | |
1081 | |
1082 | |
1083 #if BOOST_HAS_REGEX == 1 | |
1084 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
1085 { | |
1086 // TODO - Speed up this with a regular expression | |
1087 | |
1088 std::string result = source; | |
1089 | |
1090 // Escape all special characters | |
1091 boost::replace_all(result, "\\", "\\\\"); | |
1092 boost::replace_all(result, "^", "\\^"); | |
1093 boost::replace_all(result, ".", "\\."); | |
1094 boost::replace_all(result, "$", "\\$"); | |
1095 boost::replace_all(result, "|", "\\|"); | |
1096 boost::replace_all(result, "(", "\\("); | |
1097 boost::replace_all(result, ")", "\\)"); | |
1098 boost::replace_all(result, "[", "\\["); | |
1099 boost::replace_all(result, "]", "\\]"); | |
1100 boost::replace_all(result, "+", "\\+"); | |
1101 boost::replace_all(result, "/", "\\/"); | |
1102 boost::replace_all(result, "{", "\\{"); | |
1103 boost::replace_all(result, "}", "\\}"); | |
1104 | |
1105 // Convert wildcards '*' and '?' to their regex equivalents | |
1106 boost::replace_all(result, "?", "."); | |
1107 boost::replace_all(result, "*", ".*"); | |
1108 | |
1109 return result; | |
1110 } | |
1111 #endif | |
1112 | |
1113 | |
1114 | |
1115 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
1116 const std::string& value, | |
1117 char separator) | |
1118 { | |
1119 result.clear(); | |
1120 | |
1121 std::string currentItem; | |
1122 | |
1123 for (size_t i = 0; i < value.size(); i++) | |
1124 { | |
1125 if (value[i] == separator) | |
1126 { | |
1127 result.push_back(currentItem); | |
1128 currentItem.clear(); | |
1129 } | |
1130 else | |
1131 { | |
1132 currentItem.push_back(value[i]); | |
1133 } | |
1134 } | |
1135 | |
1136 result.push_back(currentItem); | |
1137 } | |
1138 | |
1139 | |
1140 void Toolbox::MakeDirectory(const std::string& path) | |
1141 { | |
1142 if (boost::filesystem::exists(path)) | |
1143 { | |
1144 if (!boost::filesystem::is_directory(path)) | |
1145 { | |
1146 throw OrthancException(ErrorCode_DirectoryOverFile); | |
1147 } | |
1148 } | |
1149 else | |
1150 { | |
1151 if (!boost::filesystem::create_directories(path)) | |
1152 { | |
1153 throw OrthancException(ErrorCode_MakeDirectory); | |
1154 } | |
1155 } | |
1156 } | |
1157 | |
1158 | |
1159 bool Toolbox::IsExistingFile(const std::string& path) | |
1160 { | |
1161 return boost::filesystem::exists(path); | |
1162 } | |
1163 | |
1164 | |
1165 #if ORTHANC_PUGIXML_ENABLED == 1 | |
1166 class ChunkedBufferWriter : public pugi::xml_writer | |
1167 { | |
1168 private: | |
1169 ChunkedBuffer buffer_; | |
1170 | |
1171 public: | |
1172 virtual void write(const void *data, size_t size) | |
1173 { | |
1174 if (size > 0) | |
1175 { | |
1176 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
1177 } | |
1178 } | |
1179 | |
1180 void Flatten(std::string& s) | |
1181 { | |
1182 buffer_.Flatten(s); | |
1183 } | |
1184 }; | |
1185 | |
1186 | |
1187 static void JsonToXmlInternal(pugi::xml_node& target, | |
1188 const Json::Value& source, | |
1189 const std::string& arrayElement) | |
1190 { | |
1191 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
1192 | |
1193 switch (source.type()) | |
1194 { | |
1195 case Json::nullValue: | |
1196 { | |
1197 target.append_child(pugi::node_pcdata).set_value("null"); | |
1198 break; | |
1199 } | |
1200 | |
1201 case Json::intValue: | |
1202 { | |
1203 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
1204 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1205 break; | |
1206 } | |
1207 | |
1208 case Json::uintValue: | |
1209 { | |
1210 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
1211 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1212 break; | |
1213 } | |
1214 | |
1215 case Json::realValue: | |
1216 { | |
1217 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
1218 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1219 break; | |
1220 } | |
1221 | |
1222 case Json::stringValue: | |
1223 { | |
1224 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
1225 break; | |
1226 } | |
1227 | |
1228 case Json::booleanValue: | |
1229 { | |
1230 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
1231 break; | |
1232 } | |
1233 | |
1234 case Json::arrayValue: | |
1235 { | |
1236 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1237 { | |
1238 pugi::xml_node node = target.append_child(); | |
1239 node.set_name(arrayElement.c_str()); | |
1240 JsonToXmlInternal(node, source[i], arrayElement); | |
1241 } | |
1242 break; | |
1243 } | |
1244 | |
1245 case Json::objectValue: | |
1246 { | |
1247 Json::Value::Members members = source.getMemberNames(); | |
1248 | |
1249 for (size_t i = 0; i < members.size(); i++) | |
1250 { | |
1251 pugi::xml_node node = target.append_child(); | |
1252 node.set_name(members[i].c_str()); | |
1253 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
1254 } | |
1255 | |
1256 break; | |
1257 } | |
1258 | |
1259 default: | |
1260 throw OrthancException(ErrorCode_NotImplemented); | |
1261 } | |
1262 } | |
1263 | |
1264 | |
1265 void Toolbox::JsonToXml(std::string& target, | |
1266 const Json::Value& source, | |
1267 const std::string& rootElement, | |
1268 const std::string& arrayElement) | |
1269 { | |
1270 pugi::xml_document doc; | |
1271 | |
1272 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
1273 JsonToXmlInternal(n, source, arrayElement); | |
1274 | |
1275 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
1276 decl.append_attribute("version").set_value("1.0"); | |
1277 decl.append_attribute("encoding").set_value("utf-8"); | |
1278 | |
1279 ChunkedBufferWriter writer; | |
1280 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
1281 writer.Flatten(target); | |
1282 } | |
1283 | |
1284 #endif | |
1285 | |
1286 | |
1287 void Toolbox::ExecuteSystemCommand(const std::string& command, | |
1288 const std::vector<std::string>& arguments) | |
1289 { | |
1290 // Convert the arguments as a C array | |
1291 std::vector<char*> args(arguments.size() + 2); | |
1292 | |
1293 args.front() = const_cast<char*>(command.c_str()); | |
1294 | |
1295 for (size_t i = 0; i < arguments.size(); i++) | |
1296 { | |
1297 args[i + 1] = const_cast<char*>(arguments[i].c_str()); | |
1298 } | |
1299 | |
1300 args.back() = NULL; | |
1301 | |
1302 int status; | |
1303 | |
1304 #if defined(_WIN32) | |
1305 // http://msdn.microsoft.com/en-us/library/275khfab.aspx | |
1306 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0])); | |
1307 | |
1308 #else | |
1309 int pid = fork(); | |
1310 | |
1311 if (pid == -1) | |
1312 { | |
1313 // Error in fork() | |
1314 #if ORTHANC_ENABLE_LOGGING == 1 | |
1315 LOG(ERROR) << "Cannot fork a child process"; | |
1316 #endif | |
1317 | |
1318 throw OrthancException(ErrorCode_SystemCommand); | |
1319 } | |
1320 else if (pid == 0) | |
1321 { | |
1322 // Execute the system command in the child process | |
1323 execvp(command.c_str(), &args[0]); | |
1324 | |
1325 // We should never get here | |
1326 _exit(1); | |
1327 } | |
1328 else | |
1329 { | |
1330 // Wait for the system command to exit | |
1331 waitpid(pid, &status, 0); | |
1332 } | |
1333 #endif | |
1334 | |
1335 if (status != 0) | |
1336 { | |
1337 #if ORTHANC_ENABLE_LOGGING == 1 | |
1338 LOG(ERROR) << "System command failed with status code " << status; | |
1339 #endif | |
1340 | |
1341 throw OrthancException(ErrorCode_SystemCommand); | |
1342 } | |
1343 } | |
1344 | |
1345 | |
1346 bool Toolbox::IsInteger(const std::string& str) | |
1347 { | |
1348 std::string s = StripSpaces(str); | |
1349 | |
1350 if (s.size() == 0) | |
1351 { | |
1352 return false; | |
1353 } | |
1354 | |
1355 size_t pos = 0; | |
1356 if (s[0] == '-') | |
1357 { | |
1358 if (s.size() == 1) | |
1359 { | |
1360 return false; | |
1361 } | |
1362 | |
1363 pos = 1; | |
1364 } | |
1365 | |
1366 while (pos < s.size()) | |
1367 { | |
1368 if (!isdigit(s[pos])) | |
1369 { | |
1370 return false; | |
1371 } | |
1372 | |
1373 pos++; | |
1374 } | |
1375 | |
1376 return true; | |
1377 } | |
1378 | |
1379 | |
1380 void Toolbox::CopyJsonWithoutComments(Json::Value& target, | |
1381 const Json::Value& source) | |
1382 { | |
1383 switch (source.type()) | |
1384 { | |
1385 case Json::nullValue: | |
1386 target = Json::nullValue; | |
1387 break; | |
1388 | |
1389 case Json::intValue: | |
1390 target = source.asInt64(); | |
1391 break; | |
1392 | |
1393 case Json::uintValue: | |
1394 target = source.asUInt64(); | |
1395 break; | |
1396 | |
1397 case Json::realValue: | |
1398 target = source.asDouble(); | |
1399 break; | |
1400 | |
1401 case Json::stringValue: | |
1402 target = source.asString(); | |
1403 break; | |
1404 | |
1405 case Json::booleanValue: | |
1406 target = source.asBool(); | |
1407 break; | |
1408 | |
1409 case Json::arrayValue: | |
1410 { | |
1411 target = Json::arrayValue; | |
1412 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1413 { | |
1414 Json::Value& item = target.append(Json::nullValue); | |
1415 CopyJsonWithoutComments(item, source[i]); | |
1416 } | |
1417 | |
1418 break; | |
1419 } | |
1420 | |
1421 case Json::objectValue: | |
1422 { | |
1423 target = Json::objectValue; | |
1424 Json::Value::Members members = source.getMemberNames(); | |
1425 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) | |
1426 { | |
1427 const std::string item = members[i]; | |
1428 CopyJsonWithoutComments(target[item], source[item]); | |
1429 } | |
1430 | |
1431 break; | |
1432 } | |
1433 | |
1434 default: | |
1435 break; | |
1436 } | |
1437 } | |
1438 | |
1439 | |
1440 bool Toolbox::StartsWith(const std::string& str, | |
1441 const std::string& prefix) | |
1442 { | |
1443 if (str.size() < prefix.size()) | |
1444 { | |
1445 return false; | |
1446 } | |
1447 else | |
1448 { | |
1449 return str.compare(0, prefix.size(), prefix) == 0; | |
1450 } | |
1451 } | |
1452 | |
1453 | |
1454 int Toolbox::GetProcessId() | |
1455 { | |
1456 #if defined(_WIN32) | |
1457 return static_cast<int>(_getpid()); | |
1458 #else | |
1459 return static_cast<int>(getpid()); | |
1460 #endif | |
1461 } | |
125 | 1462 |
1463 | |
1464 bool Toolbox::IsRegularFile(const std::string& path) | |
1465 { | |
1466 namespace fs = boost::filesystem; | |
1467 | |
1468 try | |
1469 { | |
1470 if (fs::exists(path)) | |
1471 { | |
1472 fs::file_status status = fs::status(path); | |
1473 return (status.type() == boost::filesystem::regular_file || | |
1474 status.type() == boost::filesystem::reparse_file); // Fix BitBucket issue #11 | |
1475 } | |
1476 } | |
1477 catch (fs::filesystem_error&) | |
1478 { | |
1479 } | |
1480 | |
1481 return false; | |
1482 } | |
78 | 1483 } |
1484 |