Mercurial > hg > orthanc-webviewer
annotate Orthanc/Core/Toolbox.cpp @ 129:2c73a785c08e
sync
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 14 May 2016 16:39:55 +0200 |
parents | e8cfda4c8a2f |
children | d73006baca3f |
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 { | |
114 static bool finish; | |
115 | |
116 #if defined(_WIN32) | |
117 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) | |
118 { | |
119 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
120 finish = true; | |
121 return true; | |
122 } | |
123 #else | |
124 static void SignalHandler(int) | |
125 { | |
126 finish = true; | |
127 } | |
128 #endif | |
129 | |
125 | 130 |
78 | 131 void Toolbox::USleep(uint64_t microSeconds) |
132 { | |
133 #if defined(_WIN32) | |
134 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); | |
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135 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) |
78 | 136 usleep(microSeconds); |
137 #else | |
138 #error Support your platform here | |
139 #endif | |
140 } | |
141 | |
142 | |
143 static void ServerBarrierInternal(const bool* stopFlag) | |
144 { | |
145 #if defined(_WIN32) | |
146 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
147 #else | |
148 signal(SIGINT, SignalHandler); | |
149 signal(SIGQUIT, SignalHandler); | |
150 signal(SIGTERM, SignalHandler); | |
151 #endif | |
152 | |
153 // Active loop that awakens every 100ms | |
154 finish = false; | |
155 while (!(*stopFlag || finish)) | |
156 { | |
157 Toolbox::USleep(100 * 1000); | |
158 } | |
159 | |
160 #if defined(_WIN32) | |
161 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
162 #else | |
163 signal(SIGINT, NULL); | |
164 signal(SIGQUIT, NULL); | |
165 signal(SIGTERM, NULL); | |
166 #endif | |
167 } | |
168 | |
169 | |
170 void Toolbox::ServerBarrier(const bool& stopFlag) | |
171 { | |
172 ServerBarrierInternal(&stopFlag); | |
173 } | |
174 | |
175 void Toolbox::ServerBarrier() | |
176 { | |
177 const bool stopFlag = false; | |
178 ServerBarrierInternal(&stopFlag); | |
179 } | |
180 | |
181 | |
182 void Toolbox::ToUpperCase(std::string& s) | |
183 { | |
184 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
185 } | |
186 | |
187 | |
188 void Toolbox::ToLowerCase(std::string& s) | |
189 { | |
190 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
191 } | |
192 | |
193 | |
194 void Toolbox::ToUpperCase(std::string& result, | |
195 const std::string& source) | |
196 { | |
197 result = source; | |
198 ToUpperCase(result); | |
199 } | |
200 | |
201 void Toolbox::ToLowerCase(std::string& result, | |
202 const std::string& source) | |
203 { | |
204 result = source; | |
205 ToLowerCase(result); | |
206 } | |
207 | |
208 | |
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209 static std::streamsize GetStreamSize(std::istream& f) |
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210 { |
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211 // http://www.cplusplus.com/reference/iostream/istream/tellg/ |
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212 f.seekg(0, std::ios::end); |
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213 std::streamsize size = f.tellg(); |
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214 f.seekg(0, std::ios::beg); |
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215 |
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216 return size; |
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217 } |
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218 |
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219 |
78 | 220 void Toolbox::ReadFile(std::string& content, |
221 const std::string& path) | |
222 { | |
125 | 223 if (!IsRegularFile(path)) |
78 | 224 { |
89 | 225 LOG(ERROR) << std::string("The path does not point to a regular file: ") << path; |
78 | 226 throw OrthancException(ErrorCode_RegularFileExpected); |
227 } | |
228 | |
229 boost::filesystem::ifstream f; | |
230 f.open(path, std::ifstream::in | std::ifstream::binary); | |
231 if (!f.good()) | |
232 { | |
233 throw OrthancException(ErrorCode_InexistentFile); | |
234 } | |
235 | |
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236 std::streamsize size = GetStreamSize(f); |
78 | 237 content.resize(size); |
238 if (size != 0) | |
239 { | |
240 f.read(reinterpret_cast<char*>(&content[0]), size); | |
241 } | |
242 | |
243 f.close(); | |
244 } | |
245 | |
246 | |
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247 bool Toolbox::ReadHeader(std::string& header, |
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248 const std::string& path, |
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249 size_t headerSize) |
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250 { |
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251 if (!IsRegularFile(path)) |
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252 { |
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253 LOG(ERROR) << std::string("The path does not point to a regular file: ") << path; |
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254 throw OrthancException(ErrorCode_RegularFileExpected); |
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255 } |
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256 |
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257 boost::filesystem::ifstream f; |
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258 f.open(path, std::ifstream::in | std::ifstream::binary); |
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259 if (!f.good()) |
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260 { |
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261 throw OrthancException(ErrorCode_InexistentFile); |
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262 } |
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263 |
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264 bool full = true; |
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265 |
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266 { |
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267 std::streamsize size = GetStreamSize(f); |
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268 if (size <= 0) |
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269 { |
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270 headerSize = 0; |
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271 full = false; |
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272 } |
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273 else if (static_cast<size_t>(size) < headerSize) |
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274 { |
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275 headerSize = size; // Truncate to the size of the file |
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276 full = false; |
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277 } |
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278 } |
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279 |
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280 header.resize(headerSize); |
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281 if (headerSize != 0) |
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282 { |
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283 f.read(reinterpret_cast<char*>(&header[0]), headerSize); |
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284 } |
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285 |
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286 f.close(); |
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287 |
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288 return full; |
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289 } |
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290 |
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291 |
78 | 292 void Toolbox::WriteFile(const void* content, |
293 size_t size, | |
294 const std::string& path) | |
295 { | |
296 boost::filesystem::ofstream f; | |
297 f.open(path, std::ofstream::binary); | |
298 if (!f.good()) | |
299 { | |
300 throw OrthancException(ErrorCode_CannotWriteFile); | |
301 } | |
302 | |
303 if (size != 0) | |
304 { | |
305 f.write(reinterpret_cast<const char*>(content), size); | |
306 } | |
307 | |
308 f.close(); | |
309 } | |
310 | |
311 | |
312 void Toolbox::WriteFile(const std::string& content, | |
313 const std::string& path) | |
314 { | |
315 WriteFile(content.size() > 0 ? content.c_str() : NULL, | |
316 content.size(), path); | |
317 } | |
318 | |
319 | |
320 void Toolbox::RemoveFile(const std::string& path) | |
321 { | |
322 if (boost::filesystem::exists(path)) | |
323 { | |
125 | 324 if (IsRegularFile(path)) |
78 | 325 { |
326 boost::filesystem::remove(path); | |
327 } | |
328 else | |
329 { | |
330 throw OrthancException(ErrorCode_RegularFileExpected); | |
331 } | |
332 } | |
333 } | |
334 | |
335 | |
336 | |
337 void Toolbox::SplitUriComponents(UriComponents& components, | |
338 const std::string& uri) | |
339 { | |
340 static const char URI_SEPARATOR = '/'; | |
341 | |
342 components.clear(); | |
343 | |
344 if (uri.size() == 0 || | |
345 uri[0] != URI_SEPARATOR) | |
346 { | |
347 throw OrthancException(ErrorCode_UriSyntax); | |
348 } | |
349 | |
350 // Count the number of slashes in the URI to make an assumption | |
351 // about the number of components in the URI | |
352 unsigned int estimatedSize = 0; | |
353 for (unsigned int i = 0; i < uri.size(); i++) | |
354 { | |
355 if (uri[i] == URI_SEPARATOR) | |
356 estimatedSize++; | |
357 } | |
358 | |
359 components.reserve(estimatedSize - 1); | |
360 | |
361 unsigned int start = 1; | |
362 unsigned int end = 1; | |
363 while (end < uri.size()) | |
364 { | |
365 // This is the loop invariant | |
366 assert(uri[start - 1] == '/' && (end >= start)); | |
367 | |
368 if (uri[end] == '/') | |
369 { | |
370 components.push_back(std::string(&uri[start], end - start)); | |
371 end++; | |
372 start = end; | |
373 } | |
374 else | |
375 { | |
376 end++; | |
377 } | |
378 } | |
379 | |
380 if (start < uri.size()) | |
381 { | |
382 components.push_back(std::string(&uri[start], end - start)); | |
383 } | |
384 | |
385 for (size_t i = 0; i < components.size(); i++) | |
386 { | |
387 if (components[i].size() == 0) | |
388 { | |
389 // Empty component, as in: "/coucou//e" | |
390 throw OrthancException(ErrorCode_UriSyntax); | |
391 } | |
392 } | |
393 } | |
394 | |
395 | |
396 void Toolbox::TruncateUri(UriComponents& target, | |
397 const UriComponents& source, | |
398 size_t fromLevel) | |
399 { | |
400 target.clear(); | |
401 | |
402 if (source.size() > fromLevel) | |
403 { | |
404 target.resize(source.size() - fromLevel); | |
405 | |
406 size_t j = 0; | |
407 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
408 { | |
409 target[j] = source[i]; | |
410 } | |
411 | |
412 assert(j == target.size()); | |
413 } | |
414 } | |
415 | |
416 | |
417 | |
418 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
419 const UriComponents& testedUri) | |
420 { | |
421 if (testedUri.size() < baseUri.size()) | |
422 { | |
423 return false; | |
424 } | |
425 | |
426 for (size_t i = 0; i < baseUri.size(); i++) | |
427 { | |
428 if (baseUri[i] != testedUri[i]) | |
429 return false; | |
430 } | |
431 | |
432 return true; | |
433 } | |
434 | |
435 | |
436 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
437 { | |
438 std::string contentType; | |
439 size_t lastDot = path.rfind('.'); | |
440 size_t lastSlash = path.rfind('/'); | |
441 | |
442 if (lastDot == std::string::npos || | |
443 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
444 { | |
445 // No trailing dot, unable to detect the content type | |
446 } | |
447 else | |
448 { | |
449 const char* extension = &path[lastDot + 1]; | |
450 | |
451 // http://en.wikipedia.org/wiki/Mime_types | |
452 // Text types | |
453 if (!strcmp(extension, "txt")) | |
454 contentType = "text/plain"; | |
455 else if (!strcmp(extension, "html")) | |
456 contentType = "text/html"; | |
457 else if (!strcmp(extension, "xml")) | |
458 contentType = "text/xml"; | |
459 else if (!strcmp(extension, "css")) | |
460 contentType = "text/css"; | |
461 | |
462 // Application types | |
463 else if (!strcmp(extension, "js")) | |
464 contentType = "application/javascript"; | |
465 else if (!strcmp(extension, "json")) | |
466 contentType = "application/json"; | |
467 else if (!strcmp(extension, "pdf")) | |
468 contentType = "application/pdf"; | |
469 | |
470 // Images types | |
471 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
472 contentType = "image/jpeg"; | |
473 else if (!strcmp(extension, "gif")) | |
474 contentType = "image/gif"; | |
475 else if (!strcmp(extension, "png")) | |
476 contentType = "image/png"; | |
477 } | |
478 | |
479 return contentType; | |
480 } | |
481 | |
482 | |
483 std::string Toolbox::FlattenUri(const UriComponents& components, | |
484 size_t fromLevel) | |
485 { | |
486 if (components.size() <= fromLevel) | |
487 { | |
488 return "/"; | |
489 } | |
490 else | |
491 { | |
492 std::string r; | |
493 | |
494 for (size_t i = fromLevel; i < components.size(); i++) | |
495 { | |
496 r += "/" + components[i]; | |
497 } | |
498 | |
499 return r; | |
500 } | |
501 } | |
502 | |
503 | |
504 | |
505 uint64_t Toolbox::GetFileSize(const std::string& path) | |
506 { | |
507 try | |
508 { | |
509 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
510 } | |
511 catch (boost::filesystem::filesystem_error&) | |
512 { | |
513 throw OrthancException(ErrorCode_InexistentFile); | |
514 } | |
515 } | |
516 | |
517 | |
518 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 | |
519 static char GetHexadecimalCharacter(uint8_t value) | |
520 { | |
521 assert(value < 16); | |
522 | |
523 if (value < 10) | |
82 | 524 { |
78 | 525 return value + '0'; |
82 | 526 } |
78 | 527 else |
82 | 528 { |
78 | 529 return (value - 10) + 'a'; |
82 | 530 } |
78 | 531 } |
532 | |
533 | |
534 void Toolbox::ComputeMD5(std::string& result, | |
535 const std::string& data) | |
536 { | |
537 if (data.size() > 0) | |
538 { | |
539 ComputeMD5(result, &data[0], data.size()); | |
540 } | |
541 else | |
542 { | |
543 ComputeMD5(result, NULL, 0); | |
544 } | |
545 } | |
546 | |
547 | |
548 void Toolbox::ComputeMD5(std::string& result, | |
549 const void* data, | |
90 | 550 size_t size) |
78 | 551 { |
552 md5_state_s state; | |
553 md5_init(&state); | |
554 | |
90 | 555 if (size > 0) |
78 | 556 { |
557 md5_append(&state, | |
558 reinterpret_cast<const md5_byte_t*>(data), | |
90 | 559 static_cast<int>(size)); |
78 | 560 } |
561 | |
562 md5_byte_t actualHash[16]; | |
563 md5_finish(&state, actualHash); | |
564 | |
565 result.resize(32); | |
566 for (unsigned int i = 0; i < 16; i++) | |
567 { | |
82 | 568 result[2 * i] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] / 16)); |
569 result[2 * i + 1] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] % 16)); | |
78 | 570 } |
571 } | |
572 #endif | |
573 | |
574 | |
575 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 | |
576 void Toolbox::EncodeBase64(std::string& result, | |
577 const std::string& data) | |
578 { | |
579 result = base64_encode(data); | |
580 } | |
581 | |
582 void Toolbox::DecodeBase64(std::string& result, | |
583 const std::string& data) | |
584 { | |
129 | 585 for (size_t i = 0; i < data.length(); i++) |
586 { | |
587 if (!isalnum(data[i]) && | |
588 data[i] != '+' && | |
589 data[i] != '/' && | |
590 data[i] != '=') | |
591 { | |
592 // This is not a valid character for a Base64 string | |
593 throw OrthancException(ErrorCode_BadFileFormat); | |
594 } | |
595 } | |
596 | |
78 | 597 result = base64_decode(data); |
598 } | |
79 | 599 |
600 | |
601 # if BOOST_HAS_REGEX == 1 | |
129 | 602 bool Toolbox::DecodeDataUriScheme(std::string& mime, |
79 | 603 std::string& content, |
604 const std::string& source) | |
605 { | |
606 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
607 boost::regex::icase /* case insensitive search */); | |
608 | |
609 boost::cmatch what; | |
610 if (regex_match(source.c_str(), what, pattern)) | |
611 { | |
612 mime = what[1]; | |
613 DecodeBase64(content, what[2]); | |
129 | 614 return true; |
79 | 615 } |
616 else | |
617 { | |
129 | 618 return false; |
79 | 619 } |
620 } | |
621 # endif | |
622 | |
90 | 623 |
624 void Toolbox::EncodeDataUriScheme(std::string& result, | |
625 const std::string& mime, | |
626 const std::string& content) | |
627 { | |
628 result = "data:" + mime + ";base64," + base64_encode(content); | |
629 } | |
630 | |
78 | 631 #endif |
632 | |
633 | |
634 | |
635 #if defined(_WIN32) | |
636 static std::string GetPathToExecutableInternal() | |
637 { | |
638 // Yes, this is ugly, but there is no simple way to get the | |
639 // required buffer size, so we use a big constant | |
640 std::vector<char> buffer(32768); | |
641 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); | |
642 return std::string(&buffer[0]); | |
643 } | |
644 | |
128
e8cfda4c8a2f
Sync + support of JPEG2000 lossless images with YBR_RCT photometric interpretation
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
125
diff
changeset
|
645 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) |
78 | 646 static std::string GetPathToExecutableInternal() |
647 { | |
648 std::vector<char> buffer(PATH_MAX + 1); | |
649 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); | |
650 if (bytes == 0) | |
651 { | |
652 throw OrthancException(ErrorCode_PathToExecutable); | |
653 } | |
654 | |
655 return std::string(&buffer[0]); | |
656 } | |
657 | |
658 #elif defined(__APPLE__) && defined(__MACH__) | |
659 static std::string GetPathToExecutableInternal() | |
660 { | |
661 char pathbuf[PATH_MAX + 1]; | |
662 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); | |
663 | |
664 _NSGetExecutablePath( pathbuf, &bufsize); | |
665 | |
666 return std::string(pathbuf); | |
667 } | |
668 | |
669 #else | |
670 #error Support your platform here | |
671 #endif | |
672 | |
673 | |
674 std::string Toolbox::GetPathToExecutable() | |
675 { | |
676 boost::filesystem::path p(GetPathToExecutableInternal()); | |
677 return boost::filesystem::absolute(p).string(); | |
678 } | |
679 | |
680 | |
681 std::string Toolbox::GetDirectoryOfExecutable() | |
682 { | |
683 boost::filesystem::path p(GetPathToExecutableInternal()); | |
684 return boost::filesystem::absolute(p.parent_path()).string(); | |
685 } | |
686 | |
687 | |
688 static const char* GetBoostLocaleEncoding(const Encoding sourceEncoding) | |
689 { | |
690 switch (sourceEncoding) | |
691 { | |
692 case Encoding_Utf8: | |
693 return "UTF-8"; | |
694 | |
695 case Encoding_Ascii: | |
696 return "ASCII"; | |
697 | |
698 case Encoding_Latin1: | |
699 return "ISO-8859-1"; | |
700 break; | |
701 | |
702 case Encoding_Latin2: | |
703 return "ISO-8859-2"; | |
704 break; | |
705 | |
706 case Encoding_Latin3: | |
707 return "ISO-8859-3"; | |
708 break; | |
709 | |
710 case Encoding_Latin4: | |
711 return "ISO-8859-4"; | |
712 break; | |
713 | |
714 case Encoding_Latin5: | |
715 return "ISO-8859-9"; | |
716 break; | |
717 | |
718 case Encoding_Cyrillic: | |
719 return "ISO-8859-5"; | |
720 break; | |
721 | |
722 case Encoding_Windows1251: | |
723 return "WINDOWS-1251"; | |
724 break; | |
725 | |
726 case Encoding_Arabic: | |
727 return "ISO-8859-6"; | |
728 break; | |
729 | |
730 case Encoding_Greek: | |
731 return "ISO-8859-7"; | |
732 break; | |
733 | |
734 case Encoding_Hebrew: | |
735 return "ISO-8859-8"; | |
736 break; | |
737 | |
738 case Encoding_Japanese: | |
739 return "SHIFT-JIS"; | |
740 break; | |
741 | |
742 case Encoding_Chinese: | |
743 return "GB18030"; | |
744 break; | |
745 | |
746 case Encoding_Thai: | |
747 return "TIS620.2533-0"; | |
748 break; | |
749 | |
750 default: | |
751 throw OrthancException(ErrorCode_NotImplemented); | |
752 } | |
753 } | |
754 | |
755 | |
756 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
757 Encoding sourceEncoding) | |
758 { | |
759 if (sourceEncoding == Encoding_Utf8) | |
760 { | |
761 // Already in UTF-8: No conversion is required | |
762 return source; | |
763 } | |
764 | |
765 if (sourceEncoding == Encoding_Ascii) | |
766 { | |
767 return ConvertToAscii(source); | |
768 } | |
769 | |
770 const char* encoding = GetBoostLocaleEncoding(sourceEncoding); | |
771 | |
772 try | |
773 { | |
774 return boost::locale::conv::to_utf<char>(source, encoding); | |
775 } | |
776 catch (std::runtime_error&) | |
777 { | |
778 // Bad input string or bad encoding | |
779 return ConvertToAscii(source); | |
780 } | |
781 } | |
782 | |
783 | |
784 std::string Toolbox::ConvertFromUtf8(const std::string& source, | |
785 Encoding targetEncoding) | |
786 { | |
787 if (targetEncoding == Encoding_Utf8) | |
788 { | |
789 // Already in UTF-8: No conversion is required | |
790 return source; | |
791 } | |
792 | |
793 if (targetEncoding == Encoding_Ascii) | |
794 { | |
795 return ConvertToAscii(source); | |
796 } | |
797 | |
798 const char* encoding = GetBoostLocaleEncoding(targetEncoding); | |
799 | |
800 try | |
801 { | |
802 return boost::locale::conv::from_utf<char>(source, encoding); | |
803 } | |
804 catch (std::runtime_error&) | |
805 { | |
806 // Bad input string or bad encoding | |
807 return ConvertToAscii(source); | |
808 } | |
809 } | |
810 | |
811 | |
812 std::string Toolbox::ConvertToAscii(const std::string& source) | |
813 { | |
814 std::string result; | |
815 | |
816 result.reserve(source.size() + 1); | |
817 for (size_t i = 0; i < source.size(); i++) | |
818 { | |
819 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
820 { | |
821 result.push_back(source[i]); | |
822 } | |
823 } | |
824 | |
825 return result; | |
826 } | |
827 | |
90 | 828 |
78 | 829 void Toolbox::ComputeSHA1(std::string& result, |
90 | 830 const void* data, |
831 size_t size) | |
78 | 832 { |
833 boost::uuids::detail::sha1 sha1; | |
834 | |
90 | 835 if (size > 0) |
78 | 836 { |
90 | 837 sha1.process_bytes(data, size); |
78 | 838 } |
839 | |
840 unsigned int digest[5]; | |
841 | |
842 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
843 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
844 | |
845 sha1.get_digest(digest); | |
846 | |
847 result.resize(8 * 5 + 4); | |
848 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
849 digest[0], | |
850 digest[1], | |
851 digest[2], | |
852 digest[3], | |
853 digest[4]); | |
854 } | |
855 | |
90 | 856 void Toolbox::ComputeSHA1(std::string& result, |
857 const std::string& data) | |
858 { | |
859 if (data.size() > 0) | |
860 { | |
861 ComputeSHA1(result, data.c_str(), data.size()); | |
862 } | |
863 else | |
864 { | |
865 ComputeSHA1(result, NULL, 0); | |
866 } | |
867 } | |
868 | |
869 | |
78 | 870 bool Toolbox::IsSHA1(const char* str, |
871 size_t size) | |
872 { | |
873 if (size == 0) | |
874 { | |
875 return false; | |
876 } | |
877 | |
878 const char* start = str; | |
879 const char* end = str + size; | |
880 | |
881 // Trim the beginning of the string | |
882 while (start < end) | |
883 { | |
884 if (*start == '\0' || | |
885 isspace(*start)) | |
886 { | |
887 start++; | |
888 } | |
889 else | |
890 { | |
891 break; | |
892 } | |
893 } | |
894 | |
895 // Trim the trailing of the string | |
896 while (start < end) | |
897 { | |
898 if (*(end - 1) == '\0' || | |
899 isspace(*(end - 1))) | |
900 { | |
901 end--; | |
902 } | |
903 else | |
904 { | |
905 break; | |
906 } | |
907 } | |
908 | |
909 if (end - start != 44) | |
910 { | |
911 return false; | |
912 } | |
913 | |
914 for (unsigned int i = 0; i < 44; i++) | |
915 { | |
916 if (i == 8 || | |
917 i == 17 || | |
918 i == 26 || | |
919 i == 35) | |
920 { | |
921 if (start[i] != '-') | |
922 return false; | |
923 } | |
924 else | |
925 { | |
926 if (!isalnum(start[i])) | |
927 return false; | |
928 } | |
929 } | |
930 | |
931 return true; | |
932 } | |
933 | |
934 | |
935 bool Toolbox::IsSHA1(const std::string& s) | |
936 { | |
937 if (s.size() == 0) | |
938 { | |
939 return false; | |
940 } | |
941 else | |
942 { | |
943 return IsSHA1(s.c_str(), s.size()); | |
944 } | |
945 } | |
946 | |
947 | |
948 #if BOOST_HAS_DATE_TIME == 1 | |
949 std::string Toolbox::GetNowIsoString() | |
950 { | |
951 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
952 return boost::posix_time::to_iso_string(now); | |
953 } | |
954 | |
955 void Toolbox::GetNowDicom(std::string& date, | |
956 std::string& time) | |
957 { | |
958 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
959 tm tm = boost::posix_time::to_tm(now); | |
960 | |
961 char s[32]; | |
962 sprintf(s, "%04d%02d%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); | |
963 date.assign(s); | |
964 | |
965 // TODO milliseconds | |
966 sprintf(s, "%02d%02d%02d.%06d", tm.tm_hour, tm.tm_min, tm.tm_sec, 0); | |
967 time.assign(s); | |
968 } | |
969 #endif | |
970 | |
971 | |
972 std::string Toolbox::StripSpaces(const std::string& source) | |
973 { | |
974 size_t first = 0; | |
975 | |
976 while (first < source.length() && | |
977 isspace(source[first])) | |
978 { | |
979 first++; | |
980 } | |
981 | |
982 if (first == source.length()) | |
983 { | |
984 // String containing only spaces | |
985 return ""; | |
986 } | |
987 | |
988 size_t last = source.length(); | |
989 while (last > first && | |
990 isspace(source[last - 1])) | |
991 { | |
992 last--; | |
993 } | |
994 | |
995 assert(first <= last); | |
996 return source.substr(first, last - first); | |
997 } | |
998 | |
999 | |
1000 static char Hex2Dec(char c) | |
1001 { | |
1002 return ((c >= '0' && c <= '9') ? c - '0' : | |
1003 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
1004 } | |
1005 | |
1006 void Toolbox::UrlDecode(std::string& s) | |
1007 { | |
1008 // http://en.wikipedia.org/wiki/Percent-encoding | |
1009 // http://www.w3schools.com/tags/ref_urlencode.asp | |
1010 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
1011 | |
1012 if (s.size() == 0) | |
1013 { | |
1014 return; | |
1015 } | |
1016 | |
1017 size_t source = 0; | |
1018 size_t target = 0; | |
1019 | |
1020 while (source < s.size()) | |
1021 { | |
1022 if (s[source] == '%' && | |
1023 source + 2 < s.size() && | |
1024 isalnum(s[source + 1]) && | |
1025 isalnum(s[source + 2])) | |
1026 { | |
1027 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
1028 source += 3; | |
1029 target += 1; | |
1030 } | |
1031 else | |
1032 { | |
1033 if (s[source] == '+') | |
1034 s[target] = ' '; | |
1035 else | |
1036 s[target] = s[source]; | |
1037 | |
1038 source++; | |
1039 target++; | |
1040 } | |
1041 } | |
1042 | |
1043 s.resize(target); | |
1044 } | |
1045 | |
1046 | |
1047 Endianness Toolbox::DetectEndianness() | |
1048 { | |
1049 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
1050 | |
1051 uint8_t buffer[4]; | |
1052 | |
1053 buffer[0] = 0x00; | |
1054 buffer[1] = 0x01; | |
1055 buffer[2] = 0x02; | |
1056 buffer[3] = 0x03; | |
1057 | |
1058 switch (*((uint32_t *)buffer)) | |
1059 { | |
1060 case 0x00010203: | |
1061 return Endianness_Big; | |
1062 | |
1063 case 0x03020100: | |
1064 return Endianness_Little; | |
1065 | |
1066 default: | |
1067 throw OrthancException(ErrorCode_NotImplemented); | |
1068 } | |
1069 } | |
1070 | |
1071 | |
1072 #if BOOST_HAS_REGEX == 1 | |
1073 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
1074 { | |
1075 // TODO - Speed up this with a regular expression | |
1076 | |
1077 std::string result = source; | |
1078 | |
1079 // Escape all special characters | |
1080 boost::replace_all(result, "\\", "\\\\"); | |
1081 boost::replace_all(result, "^", "\\^"); | |
1082 boost::replace_all(result, ".", "\\."); | |
1083 boost::replace_all(result, "$", "\\$"); | |
1084 boost::replace_all(result, "|", "\\|"); | |
1085 boost::replace_all(result, "(", "\\("); | |
1086 boost::replace_all(result, ")", "\\)"); | |
1087 boost::replace_all(result, "[", "\\["); | |
1088 boost::replace_all(result, "]", "\\]"); | |
1089 boost::replace_all(result, "+", "\\+"); | |
1090 boost::replace_all(result, "/", "\\/"); | |
1091 boost::replace_all(result, "{", "\\{"); | |
1092 boost::replace_all(result, "}", "\\}"); | |
1093 | |
1094 // Convert wildcards '*' and '?' to their regex equivalents | |
1095 boost::replace_all(result, "?", "."); | |
1096 boost::replace_all(result, "*", ".*"); | |
1097 | |
1098 return result; | |
1099 } | |
1100 #endif | |
1101 | |
1102 | |
1103 | |
1104 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
1105 const std::string& value, | |
1106 char separator) | |
1107 { | |
1108 result.clear(); | |
1109 | |
1110 std::string currentItem; | |
1111 | |
1112 for (size_t i = 0; i < value.size(); i++) | |
1113 { | |
1114 if (value[i] == separator) | |
1115 { | |
1116 result.push_back(currentItem); | |
1117 currentItem.clear(); | |
1118 } | |
1119 else | |
1120 { | |
1121 currentItem.push_back(value[i]); | |
1122 } | |
1123 } | |
1124 | |
1125 result.push_back(currentItem); | |
1126 } | |
1127 | |
1128 | |
1129 void Toolbox::MakeDirectory(const std::string& path) | |
1130 { | |
1131 if (boost::filesystem::exists(path)) | |
1132 { | |
1133 if (!boost::filesystem::is_directory(path)) | |
1134 { | |
1135 throw OrthancException(ErrorCode_DirectoryOverFile); | |
1136 } | |
1137 } | |
1138 else | |
1139 { | |
1140 if (!boost::filesystem::create_directories(path)) | |
1141 { | |
1142 throw OrthancException(ErrorCode_MakeDirectory); | |
1143 } | |
1144 } | |
1145 } | |
1146 | |
1147 | |
1148 bool Toolbox::IsExistingFile(const std::string& path) | |
1149 { | |
1150 return boost::filesystem::exists(path); | |
1151 } | |
1152 | |
1153 | |
1154 #if ORTHANC_PUGIXML_ENABLED == 1 | |
1155 class ChunkedBufferWriter : public pugi::xml_writer | |
1156 { | |
1157 private: | |
1158 ChunkedBuffer buffer_; | |
1159 | |
1160 public: | |
1161 virtual void write(const void *data, size_t size) | |
1162 { | |
1163 if (size > 0) | |
1164 { | |
1165 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
1166 } | |
1167 } | |
1168 | |
1169 void Flatten(std::string& s) | |
1170 { | |
1171 buffer_.Flatten(s); | |
1172 } | |
1173 }; | |
1174 | |
1175 | |
1176 static void JsonToXmlInternal(pugi::xml_node& target, | |
1177 const Json::Value& source, | |
1178 const std::string& arrayElement) | |
1179 { | |
1180 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
1181 | |
1182 switch (source.type()) | |
1183 { | |
1184 case Json::nullValue: | |
1185 { | |
1186 target.append_child(pugi::node_pcdata).set_value("null"); | |
1187 break; | |
1188 } | |
1189 | |
1190 case Json::intValue: | |
1191 { | |
1192 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
1193 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1194 break; | |
1195 } | |
1196 | |
1197 case Json::uintValue: | |
1198 { | |
1199 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
1200 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1201 break; | |
1202 } | |
1203 | |
1204 case Json::realValue: | |
1205 { | |
1206 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
1207 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1208 break; | |
1209 } | |
1210 | |
1211 case Json::stringValue: | |
1212 { | |
1213 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
1214 break; | |
1215 } | |
1216 | |
1217 case Json::booleanValue: | |
1218 { | |
1219 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
1220 break; | |
1221 } | |
1222 | |
1223 case Json::arrayValue: | |
1224 { | |
1225 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1226 { | |
1227 pugi::xml_node node = target.append_child(); | |
1228 node.set_name(arrayElement.c_str()); | |
1229 JsonToXmlInternal(node, source[i], arrayElement); | |
1230 } | |
1231 break; | |
1232 } | |
1233 | |
1234 case Json::objectValue: | |
1235 { | |
1236 Json::Value::Members members = source.getMemberNames(); | |
1237 | |
1238 for (size_t i = 0; i < members.size(); i++) | |
1239 { | |
1240 pugi::xml_node node = target.append_child(); | |
1241 node.set_name(members[i].c_str()); | |
1242 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
1243 } | |
1244 | |
1245 break; | |
1246 } | |
1247 | |
1248 default: | |
1249 throw OrthancException(ErrorCode_NotImplemented); | |
1250 } | |
1251 } | |
1252 | |
1253 | |
1254 void Toolbox::JsonToXml(std::string& target, | |
1255 const Json::Value& source, | |
1256 const std::string& rootElement, | |
1257 const std::string& arrayElement) | |
1258 { | |
1259 pugi::xml_document doc; | |
1260 | |
1261 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
1262 JsonToXmlInternal(n, source, arrayElement); | |
1263 | |
1264 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
1265 decl.append_attribute("version").set_value("1.0"); | |
1266 decl.append_attribute("encoding").set_value("utf-8"); | |
1267 | |
1268 ChunkedBufferWriter writer; | |
1269 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
1270 writer.Flatten(target); | |
1271 } | |
1272 | |
1273 #endif | |
1274 | |
1275 | |
1276 void Toolbox::ExecuteSystemCommand(const std::string& command, | |
1277 const std::vector<std::string>& arguments) | |
1278 { | |
1279 // Convert the arguments as a C array | |
1280 std::vector<char*> args(arguments.size() + 2); | |
1281 | |
1282 args.front() = const_cast<char*>(command.c_str()); | |
1283 | |
1284 for (size_t i = 0; i < arguments.size(); i++) | |
1285 { | |
1286 args[i + 1] = const_cast<char*>(arguments[i].c_str()); | |
1287 } | |
1288 | |
1289 args.back() = NULL; | |
1290 | |
1291 int status; | |
1292 | |
1293 #if defined(_WIN32) | |
1294 // http://msdn.microsoft.com/en-us/library/275khfab.aspx | |
1295 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0])); | |
1296 | |
1297 #else | |
1298 int pid = fork(); | |
1299 | |
1300 if (pid == -1) | |
1301 { | |
1302 // Error in fork() | |
1303 #if ORTHANC_ENABLE_LOGGING == 1 | |
1304 LOG(ERROR) << "Cannot fork a child process"; | |
1305 #endif | |
1306 | |
1307 throw OrthancException(ErrorCode_SystemCommand); | |
1308 } | |
1309 else if (pid == 0) | |
1310 { | |
1311 // Execute the system command in the child process | |
1312 execvp(command.c_str(), &args[0]); | |
1313 | |
1314 // We should never get here | |
1315 _exit(1); | |
1316 } | |
1317 else | |
1318 { | |
1319 // Wait for the system command to exit | |
1320 waitpid(pid, &status, 0); | |
1321 } | |
1322 #endif | |
1323 | |
1324 if (status != 0) | |
1325 { | |
1326 #if ORTHANC_ENABLE_LOGGING == 1 | |
1327 LOG(ERROR) << "System command failed with status code " << status; | |
1328 #endif | |
1329 | |
1330 throw OrthancException(ErrorCode_SystemCommand); | |
1331 } | |
1332 } | |
1333 | |
1334 | |
1335 bool Toolbox::IsInteger(const std::string& str) | |
1336 { | |
1337 std::string s = StripSpaces(str); | |
1338 | |
1339 if (s.size() == 0) | |
1340 { | |
1341 return false; | |
1342 } | |
1343 | |
1344 size_t pos = 0; | |
1345 if (s[0] == '-') | |
1346 { | |
1347 if (s.size() == 1) | |
1348 { | |
1349 return false; | |
1350 } | |
1351 | |
1352 pos = 1; | |
1353 } | |
1354 | |
1355 while (pos < s.size()) | |
1356 { | |
1357 if (!isdigit(s[pos])) | |
1358 { | |
1359 return false; | |
1360 } | |
1361 | |
1362 pos++; | |
1363 } | |
1364 | |
1365 return true; | |
1366 } | |
1367 | |
1368 | |
1369 void Toolbox::CopyJsonWithoutComments(Json::Value& target, | |
1370 const Json::Value& source) | |
1371 { | |
1372 switch (source.type()) | |
1373 { | |
1374 case Json::nullValue: | |
1375 target = Json::nullValue; | |
1376 break; | |
1377 | |
1378 case Json::intValue: | |
1379 target = source.asInt64(); | |
1380 break; | |
1381 | |
1382 case Json::uintValue: | |
1383 target = source.asUInt64(); | |
1384 break; | |
1385 | |
1386 case Json::realValue: | |
1387 target = source.asDouble(); | |
1388 break; | |
1389 | |
1390 case Json::stringValue: | |
1391 target = source.asString(); | |
1392 break; | |
1393 | |
1394 case Json::booleanValue: | |
1395 target = source.asBool(); | |
1396 break; | |
1397 | |
1398 case Json::arrayValue: | |
1399 { | |
1400 target = Json::arrayValue; | |
1401 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1402 { | |
1403 Json::Value& item = target.append(Json::nullValue); | |
1404 CopyJsonWithoutComments(item, source[i]); | |
1405 } | |
1406 | |
1407 break; | |
1408 } | |
1409 | |
1410 case Json::objectValue: | |
1411 { | |
1412 target = Json::objectValue; | |
1413 Json::Value::Members members = source.getMemberNames(); | |
1414 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) | |
1415 { | |
1416 const std::string item = members[i]; | |
1417 CopyJsonWithoutComments(target[item], source[item]); | |
1418 } | |
1419 | |
1420 break; | |
1421 } | |
1422 | |
1423 default: | |
1424 break; | |
1425 } | |
1426 } | |
1427 | |
1428 | |
1429 bool Toolbox::StartsWith(const std::string& str, | |
1430 const std::string& prefix) | |
1431 { | |
1432 if (str.size() < prefix.size()) | |
1433 { | |
1434 return false; | |
1435 } | |
1436 else | |
1437 { | |
1438 return str.compare(0, prefix.size(), prefix) == 0; | |
1439 } | |
1440 } | |
1441 | |
1442 | |
1443 int Toolbox::GetProcessId() | |
1444 { | |
1445 #if defined(_WIN32) | |
1446 return static_cast<int>(_getpid()); | |
1447 #else | |
1448 return static_cast<int>(getpid()); | |
1449 #endif | |
1450 } | |
125 | 1451 |
1452 | |
1453 bool Toolbox::IsRegularFile(const std::string& path) | |
1454 { | |
1455 namespace fs = boost::filesystem; | |
1456 | |
1457 try | |
1458 { | |
1459 if (fs::exists(path)) | |
1460 { | |
1461 fs::file_status status = fs::status(path); | |
1462 return (status.type() == boost::filesystem::regular_file || | |
1463 status.type() == boost::filesystem::reparse_file); // Fix BitBucket issue #11 | |
1464 } | |
1465 } | |
1466 catch (fs::filesystem_error&) | |
1467 { | |
1468 } | |
1469 | |
1470 return false; | |
1471 } | |
78 | 1472 } |
1473 |