Mercurial > hg > orthanc-stone
annotate Resources/Orthanc/Core/Toolbox.cpp @ 79:4e21f6b3aa0d wasm
cleaning up
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 24 May 2017 21:23:29 +0200 |
parents | 7207a407bcd8 |
children |
rev | line source |
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1 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
39
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
1 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "PrecompiledHeaders.h" | |
35 #include "Toolbox.h" | |
36 | |
37 #include "OrthancException.h" | |
38 #include "Logging.h" | |
39 | |
15 | 40 #include <boost/algorithm/string/replace.hpp> |
41 #include <boost/lexical_cast.hpp> | |
42 #include <boost/locale.hpp> | |
43 #include <boost/uuid/sha1.hpp> | |
44 | |
1 | 45 #include <string> |
46 #include <stdint.h> | |
47 #include <string.h> | |
48 #include <algorithm> | |
49 #include <ctype.h> | |
50 | |
51 #if BOOST_HAS_REGEX == 1 | |
15 | 52 # include <boost/regex.hpp> |
1 | 53 #endif |
54 | |
55 #if BOOST_HAS_LOCALE != 1 | |
15 | 56 # error Since version 0.7.6, Orthanc entirely relies on boost::locale |
1 | 57 #endif |
58 | |
14 | 59 #if ORTHANC_ENABLE_MD5 == 1 |
60 # include "../Resources/ThirdParty/md5/md5.h" | |
1 | 61 #endif |
62 | |
14 | 63 #if ORTHANC_ENABLE_BASE64 == 1 |
64 # include "../Resources/ThirdParty/base64/base64.h" | |
1 | 65 #endif |
66 | |
67 | |
68 #if defined(_MSC_VER) && (_MSC_VER < 1800) | |
69 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013 | |
70 extern "C" | |
71 { | |
72 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
73 int64_t strtoll(const char *nptr, char **endptr, int base) | |
74 { | |
75 return _strtoi64(nptr, endptr, base); | |
76 } | |
77 } | |
78 #endif | |
79 | |
80 | |
23 | 81 #if defined(_WIN32) |
82 # include <windows.h> // For ::Sleep | |
83 #endif | |
84 | |
15 | 85 |
12 | 86 #if ORTHANC_ENABLE_PUGIXML == 1 |
15 | 87 # include "ChunkedBuffer.h" |
88 # include <pugixml.hpp> | |
1 | 89 #endif |
90 | |
91 | |
92 namespace Orthanc | |
93 { | |
94 void Toolbox::ToUpperCase(std::string& s) | |
95 { | |
96 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
97 } | |
98 | |
99 | |
100 void Toolbox::ToLowerCase(std::string& s) | |
101 { | |
102 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
103 } | |
104 | |
105 | |
106 void Toolbox::ToUpperCase(std::string& result, | |
107 const std::string& source) | |
108 { | |
109 result = source; | |
110 ToUpperCase(result); | |
111 } | |
112 | |
113 void Toolbox::ToLowerCase(std::string& result, | |
114 const std::string& source) | |
115 { | |
116 result = source; | |
117 ToLowerCase(result); | |
118 } | |
119 | |
120 | |
121 void Toolbox::SplitUriComponents(UriComponents& components, | |
122 const std::string& uri) | |
123 { | |
124 static const char URI_SEPARATOR = '/'; | |
125 | |
126 components.clear(); | |
127 | |
128 if (uri.size() == 0 || | |
129 uri[0] != URI_SEPARATOR) | |
130 { | |
131 throw OrthancException(ErrorCode_UriSyntax); | |
132 } | |
133 | |
134 // Count the number of slashes in the URI to make an assumption | |
135 // about the number of components in the URI | |
136 unsigned int estimatedSize = 0; | |
137 for (unsigned int i = 0; i < uri.size(); i++) | |
138 { | |
139 if (uri[i] == URI_SEPARATOR) | |
140 estimatedSize++; | |
141 } | |
142 | |
143 components.reserve(estimatedSize - 1); | |
144 | |
145 unsigned int start = 1; | |
146 unsigned int end = 1; | |
147 while (end < uri.size()) | |
148 { | |
149 // This is the loop invariant | |
150 assert(uri[start - 1] == '/' && (end >= start)); | |
151 | |
152 if (uri[end] == '/') | |
153 { | |
154 components.push_back(std::string(&uri[start], end - start)); | |
155 end++; | |
156 start = end; | |
157 } | |
158 else | |
159 { | |
160 end++; | |
161 } | |
162 } | |
163 | |
164 if (start < uri.size()) | |
165 { | |
166 components.push_back(std::string(&uri[start], end - start)); | |
167 } | |
168 | |
169 for (size_t i = 0; i < components.size(); i++) | |
170 { | |
171 if (components[i].size() == 0) | |
172 { | |
173 // Empty component, as in: "/coucou//e" | |
174 throw OrthancException(ErrorCode_UriSyntax); | |
175 } | |
176 } | |
177 } | |
178 | |
179 | |
180 void Toolbox::TruncateUri(UriComponents& target, | |
181 const UriComponents& source, | |
182 size_t fromLevel) | |
183 { | |
184 target.clear(); | |
185 | |
186 if (source.size() > fromLevel) | |
187 { | |
188 target.resize(source.size() - fromLevel); | |
189 | |
190 size_t j = 0; | |
191 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
192 { | |
193 target[j] = source[i]; | |
194 } | |
195 | |
196 assert(j == target.size()); | |
197 } | |
198 } | |
199 | |
200 | |
201 | |
202 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
203 const UriComponents& testedUri) | |
204 { | |
205 if (testedUri.size() < baseUri.size()) | |
206 { | |
207 return false; | |
208 } | |
209 | |
210 for (size_t i = 0; i < baseUri.size(); i++) | |
211 { | |
212 if (baseUri[i] != testedUri[i]) | |
213 return false; | |
214 } | |
215 | |
216 return true; | |
217 } | |
218 | |
219 | |
220 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
221 { | |
222 std::string contentType; | |
223 size_t lastDot = path.rfind('.'); | |
224 size_t lastSlash = path.rfind('/'); | |
225 | |
226 if (lastDot == std::string::npos || | |
227 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
228 { | |
229 // No trailing dot, unable to detect the content type | |
230 } | |
231 else | |
232 { | |
233 const char* extension = &path[lastDot + 1]; | |
234 | |
235 // http://en.wikipedia.org/wiki/Mime_types | |
236 // Text types | |
237 if (!strcmp(extension, "txt")) | |
238 contentType = "text/plain"; | |
239 else if (!strcmp(extension, "html")) | |
240 contentType = "text/html"; | |
241 else if (!strcmp(extension, "xml")) | |
242 contentType = "text/xml"; | |
243 else if (!strcmp(extension, "css")) | |
244 contentType = "text/css"; | |
245 | |
246 // Application types | |
247 else if (!strcmp(extension, "js")) | |
248 contentType = "application/javascript"; | |
249 else if (!strcmp(extension, "json")) | |
250 contentType = "application/json"; | |
251 else if (!strcmp(extension, "pdf")) | |
252 contentType = "application/pdf"; | |
253 | |
254 // Images types | |
255 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
256 contentType = "image/jpeg"; | |
257 else if (!strcmp(extension, "gif")) | |
258 contentType = "image/gif"; | |
259 else if (!strcmp(extension, "png")) | |
260 contentType = "image/png"; | |
261 } | |
262 | |
263 return contentType; | |
264 } | |
265 | |
266 | |
267 std::string Toolbox::FlattenUri(const UriComponents& components, | |
268 size_t fromLevel) | |
269 { | |
270 if (components.size() <= fromLevel) | |
271 { | |
272 return "/"; | |
273 } | |
274 else | |
275 { | |
276 std::string r; | |
277 | |
278 for (size_t i = fromLevel; i < components.size(); i++) | |
279 { | |
280 r += "/" + components[i]; | |
281 } | |
282 | |
283 return r; | |
284 } | |
285 } | |
286 | |
287 | |
14 | 288 #if ORTHANC_ENABLE_MD5 == 1 |
1 | 289 static char GetHexadecimalCharacter(uint8_t value) |
290 { | |
291 assert(value < 16); | |
292 | |
293 if (value < 10) | |
294 { | |
295 return value + '0'; | |
296 } | |
297 else | |
298 { | |
299 return (value - 10) + 'a'; | |
300 } | |
301 } | |
302 | |
303 | |
304 void Toolbox::ComputeMD5(std::string& result, | |
305 const std::string& data) | |
306 { | |
307 if (data.size() > 0) | |
308 { | |
309 ComputeMD5(result, &data[0], data.size()); | |
310 } | |
311 else | |
312 { | |
313 ComputeMD5(result, NULL, 0); | |
314 } | |
315 } | |
316 | |
317 | |
318 void Toolbox::ComputeMD5(std::string& result, | |
319 const void* data, | |
320 size_t size) | |
321 { | |
322 md5_state_s state; | |
323 md5_init(&state); | |
324 | |
325 if (size > 0) | |
326 { | |
327 md5_append(&state, | |
328 reinterpret_cast<const md5_byte_t*>(data), | |
329 static_cast<int>(size)); | |
330 } | |
331 | |
332 md5_byte_t actualHash[16]; | |
333 md5_finish(&state, actualHash); | |
334 | |
335 result.resize(32); | |
336 for (unsigned int i = 0; i < 16; i++) | |
337 { | |
338 result[2 * i] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] / 16)); | |
339 result[2 * i + 1] = GetHexadecimalCharacter(static_cast<uint8_t>(actualHash[i] % 16)); | |
340 } | |
341 } | |
342 #endif | |
343 | |
344 | |
14 | 345 #if ORTHANC_ENABLE_BASE64 == 1 |
1 | 346 void Toolbox::EncodeBase64(std::string& result, |
347 const std::string& data) | |
348 { | |
349 result = base64_encode(data); | |
350 } | |
351 | |
352 void Toolbox::DecodeBase64(std::string& result, | |
353 const std::string& data) | |
354 { | |
355 for (size_t i = 0; i < data.length(); i++) | |
356 { | |
357 if (!isalnum(data[i]) && | |
358 data[i] != '+' && | |
359 data[i] != '/' && | |
360 data[i] != '=') | |
361 { | |
362 // This is not a valid character for a Base64 string | |
363 throw OrthancException(ErrorCode_BadFileFormat); | |
364 } | |
365 } | |
366 | |
367 result = base64_decode(data); | |
368 } | |
369 | |
370 | |
371 # if BOOST_HAS_REGEX == 1 | |
372 bool Toolbox::DecodeDataUriScheme(std::string& mime, | |
373 std::string& content, | |
374 const std::string& source) | |
375 { | |
376 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
377 boost::regex::icase /* case insensitive search */); | |
378 | |
379 boost::cmatch what; | |
380 if (regex_match(source.c_str(), what, pattern)) | |
381 { | |
382 mime = what[1]; | |
383 DecodeBase64(content, what[2]); | |
384 return true; | |
385 } | |
386 else | |
387 { | |
388 return false; | |
389 } | |
390 } | |
391 # endif | |
392 | |
393 | |
394 void Toolbox::EncodeDataUriScheme(std::string& result, | |
395 const std::string& mime, | |
396 const std::string& content) | |
397 { | |
398 result = "data:" + mime + ";base64," + base64_encode(content); | |
399 } | |
400 | |
401 #endif | |
402 | |
403 | |
404 static const char* GetBoostLocaleEncoding(const Encoding sourceEncoding) | |
405 { | |
406 switch (sourceEncoding) | |
407 { | |
408 case Encoding_Utf8: | |
409 return "UTF-8"; | |
410 | |
411 case Encoding_Ascii: | |
412 return "ASCII"; | |
413 | |
414 case Encoding_Latin1: | |
415 return "ISO-8859-1"; | |
416 break; | |
417 | |
418 case Encoding_Latin2: | |
419 return "ISO-8859-2"; | |
420 break; | |
421 | |
422 case Encoding_Latin3: | |
423 return "ISO-8859-3"; | |
424 break; | |
425 | |
426 case Encoding_Latin4: | |
427 return "ISO-8859-4"; | |
428 break; | |
429 | |
430 case Encoding_Latin5: | |
431 return "ISO-8859-9"; | |
432 break; | |
433 | |
434 case Encoding_Cyrillic: | |
435 return "ISO-8859-5"; | |
436 break; | |
437 | |
438 case Encoding_Windows1251: | |
439 return "WINDOWS-1251"; | |
440 break; | |
441 | |
442 case Encoding_Arabic: | |
443 return "ISO-8859-6"; | |
444 break; | |
445 | |
446 case Encoding_Greek: | |
447 return "ISO-8859-7"; | |
448 break; | |
449 | |
450 case Encoding_Hebrew: | |
451 return "ISO-8859-8"; | |
452 break; | |
453 | |
454 case Encoding_Japanese: | |
455 return "SHIFT-JIS"; | |
456 break; | |
457 | |
458 case Encoding_Chinese: | |
459 return "GB18030"; | |
460 break; | |
461 | |
462 case Encoding_Thai: | |
463 return "TIS620.2533-0"; | |
464 break; | |
465 | |
466 default: | |
467 throw OrthancException(ErrorCode_NotImplemented); | |
468 } | |
469 } | |
470 | |
471 | |
472 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
473 Encoding sourceEncoding) | |
474 { | |
475 if (sourceEncoding == Encoding_Utf8) | |
476 { | |
477 // Already in UTF-8: No conversion is required | |
478 return source; | |
479 } | |
480 | |
481 if (sourceEncoding == Encoding_Ascii) | |
482 { | |
483 return ConvertToAscii(source); | |
484 } | |
485 | |
486 const char* encoding = GetBoostLocaleEncoding(sourceEncoding); | |
487 | |
488 try | |
489 { | |
490 return boost::locale::conv::to_utf<char>(source, encoding); | |
491 } | |
492 catch (std::runtime_error&) | |
493 { | |
494 // Bad input string or bad encoding | |
495 return ConvertToAscii(source); | |
496 } | |
497 } | |
498 | |
499 | |
500 std::string Toolbox::ConvertFromUtf8(const std::string& source, | |
501 Encoding targetEncoding) | |
502 { | |
503 if (targetEncoding == Encoding_Utf8) | |
504 { | |
505 // Already in UTF-8: No conversion is required | |
506 return source; | |
507 } | |
508 | |
509 if (targetEncoding == Encoding_Ascii) | |
510 { | |
511 return ConvertToAscii(source); | |
512 } | |
513 | |
514 const char* encoding = GetBoostLocaleEncoding(targetEncoding); | |
515 | |
516 try | |
517 { | |
518 return boost::locale::conv::from_utf<char>(source, encoding); | |
519 } | |
520 catch (std::runtime_error&) | |
521 { | |
522 // Bad input string or bad encoding | |
523 return ConvertToAscii(source); | |
524 } | |
525 } | |
526 | |
527 | |
12 | 528 bool Toolbox::IsAsciiString(const void* data, |
529 size_t size) | |
530 { | |
531 const uint8_t* p = reinterpret_cast<const uint8_t*>(data); | |
532 | |
533 for (size_t i = 0; i < size; i++, p++) | |
534 { | |
535 if (*p > 127 || (*p != 0 && iscntrl(*p))) | |
536 { | |
537 return false; | |
538 } | |
539 } | |
540 | |
541 return true; | |
542 } | |
543 | |
544 | |
1 | 545 std::string Toolbox::ConvertToAscii(const std::string& source) |
546 { | |
547 std::string result; | |
548 | |
549 result.reserve(source.size() + 1); | |
550 for (size_t i = 0; i < source.size(); i++) | |
551 { | |
552 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
553 { | |
554 result.push_back(source[i]); | |
555 } | |
556 } | |
557 | |
558 return result; | |
559 } | |
560 | |
561 | |
562 void Toolbox::ComputeSHA1(std::string& result, | |
563 const void* data, | |
564 size_t size) | |
565 { | |
566 boost::uuids::detail::sha1 sha1; | |
567 | |
568 if (size > 0) | |
569 { | |
570 sha1.process_bytes(data, size); | |
571 } | |
572 | |
573 unsigned int digest[5]; | |
574 | |
575 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
576 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
577 | |
578 sha1.get_digest(digest); | |
579 | |
580 result.resize(8 * 5 + 4); | |
581 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
582 digest[0], | |
583 digest[1], | |
584 digest[2], | |
585 digest[3], | |
586 digest[4]); | |
587 } | |
588 | |
589 void Toolbox::ComputeSHA1(std::string& result, | |
590 const std::string& data) | |
591 { | |
592 if (data.size() > 0) | |
593 { | |
594 ComputeSHA1(result, data.c_str(), data.size()); | |
595 } | |
596 else | |
597 { | |
598 ComputeSHA1(result, NULL, 0); | |
599 } | |
600 } | |
601 | |
602 | |
603 bool Toolbox::IsSHA1(const char* str, | |
604 size_t size) | |
605 { | |
606 if (size == 0) | |
607 { | |
608 return false; | |
609 } | |
610 | |
611 const char* start = str; | |
612 const char* end = str + size; | |
613 | |
614 // Trim the beginning of the string | |
615 while (start < end) | |
616 { | |
617 if (*start == '\0' || | |
618 isspace(*start)) | |
619 { | |
620 start++; | |
621 } | |
622 else | |
623 { | |
624 break; | |
625 } | |
626 } | |
627 | |
628 // Trim the trailing of the string | |
629 while (start < end) | |
630 { | |
631 if (*(end - 1) == '\0' || | |
632 isspace(*(end - 1))) | |
633 { | |
634 end--; | |
635 } | |
636 else | |
637 { | |
638 break; | |
639 } | |
640 } | |
641 | |
642 if (end - start != 44) | |
643 { | |
644 return false; | |
645 } | |
646 | |
647 for (unsigned int i = 0; i < 44; i++) | |
648 { | |
649 if (i == 8 || | |
650 i == 17 || | |
651 i == 26 || | |
652 i == 35) | |
653 { | |
654 if (start[i] != '-') | |
655 return false; | |
656 } | |
657 else | |
658 { | |
659 if (!isalnum(start[i])) | |
660 return false; | |
661 } | |
662 } | |
663 | |
664 return true; | |
665 } | |
666 | |
667 | |
668 bool Toolbox::IsSHA1(const std::string& s) | |
669 { | |
670 if (s.size() == 0) | |
671 { | |
672 return false; | |
673 } | |
674 else | |
675 { | |
676 return IsSHA1(s.c_str(), s.size()); | |
677 } | |
678 } | |
679 | |
680 | |
681 std::string Toolbox::StripSpaces(const std::string& source) | |
682 { | |
683 size_t first = 0; | |
684 | |
685 while (first < source.length() && | |
686 isspace(source[first])) | |
687 { | |
688 first++; | |
689 } | |
690 | |
691 if (first == source.length()) | |
692 { | |
693 // String containing only spaces | |
694 return ""; | |
695 } | |
696 | |
697 size_t last = source.length(); | |
698 while (last > first && | |
699 isspace(source[last - 1])) | |
700 { | |
701 last--; | |
702 } | |
703 | |
704 assert(first <= last); | |
705 return source.substr(first, last - first); | |
706 } | |
707 | |
708 | |
709 static char Hex2Dec(char c) | |
710 { | |
711 return ((c >= '0' && c <= '9') ? c - '0' : | |
712 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
713 } | |
714 | |
715 void Toolbox::UrlDecode(std::string& s) | |
716 { | |
717 // http://en.wikipedia.org/wiki/Percent-encoding | |
718 // http://www.w3schools.com/tags/ref_urlencode.asp | |
719 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
720 | |
721 if (s.size() == 0) | |
722 { | |
723 return; | |
724 } | |
725 | |
726 size_t source = 0; | |
727 size_t target = 0; | |
728 | |
729 while (source < s.size()) | |
730 { | |
731 if (s[source] == '%' && | |
732 source + 2 < s.size() && | |
733 isalnum(s[source + 1]) && | |
734 isalnum(s[source + 2])) | |
735 { | |
736 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
737 source += 3; | |
738 target += 1; | |
739 } | |
740 else | |
741 { | |
742 if (s[source] == '+') | |
743 s[target] = ' '; | |
744 else | |
745 s[target] = s[source]; | |
746 | |
747 source++; | |
748 target++; | |
749 } | |
750 } | |
751 | |
752 s.resize(target); | |
753 } | |
754 | |
755 | |
756 Endianness Toolbox::DetectEndianness() | |
757 { | |
758 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
759 | |
760 uint8_t buffer[4]; | |
761 | |
762 buffer[0] = 0x00; | |
763 buffer[1] = 0x01; | |
764 buffer[2] = 0x02; | |
765 buffer[3] = 0x03; | |
766 | |
767 switch (*((uint32_t *)buffer)) | |
768 { | |
769 case 0x00010203: | |
770 return Endianness_Big; | |
771 | |
772 case 0x03020100: | |
773 return Endianness_Little; | |
774 | |
775 default: | |
776 throw OrthancException(ErrorCode_NotImplemented); | |
777 } | |
778 } | |
779 | |
780 | |
781 #if BOOST_HAS_REGEX == 1 | |
782 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
783 { | |
784 // TODO - Speed up this with a regular expression | |
785 | |
786 std::string result = source; | |
787 | |
788 // Escape all special characters | |
789 boost::replace_all(result, "\\", "\\\\"); | |
790 boost::replace_all(result, "^", "\\^"); | |
791 boost::replace_all(result, ".", "\\."); | |
792 boost::replace_all(result, "$", "\\$"); | |
793 boost::replace_all(result, "|", "\\|"); | |
794 boost::replace_all(result, "(", "\\("); | |
795 boost::replace_all(result, ")", "\\)"); | |
796 boost::replace_all(result, "[", "\\["); | |
797 boost::replace_all(result, "]", "\\]"); | |
798 boost::replace_all(result, "+", "\\+"); | |
799 boost::replace_all(result, "/", "\\/"); | |
800 boost::replace_all(result, "{", "\\{"); | |
801 boost::replace_all(result, "}", "\\}"); | |
802 | |
803 // Convert wildcards '*' and '?' to their regex equivalents | |
804 boost::replace_all(result, "?", "."); | |
805 boost::replace_all(result, "*", ".*"); | |
806 | |
807 return result; | |
808 } | |
809 #endif | |
810 | |
811 | |
812 | |
813 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
814 const std::string& value, | |
815 char separator) | |
816 { | |
817 result.clear(); | |
818 | |
819 std::string currentItem; | |
820 | |
821 for (size_t i = 0; i < value.size(); i++) | |
822 { | |
823 if (value[i] == separator) | |
824 { | |
825 result.push_back(currentItem); | |
826 currentItem.clear(); | |
827 } | |
828 else | |
829 { | |
830 currentItem.push_back(value[i]); | |
831 } | |
832 } | |
833 | |
834 result.push_back(currentItem); | |
835 } | |
836 | |
837 | |
12 | 838 #if ORTHANC_ENABLE_PUGIXML == 1 |
1 | 839 class ChunkedBufferWriter : public pugi::xml_writer |
840 { | |
841 private: | |
842 ChunkedBuffer buffer_; | |
843 | |
844 public: | |
845 virtual void write(const void *data, size_t size) | |
846 { | |
847 if (size > 0) | |
848 { | |
849 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
850 } | |
851 } | |
852 | |
853 void Flatten(std::string& s) | |
854 { | |
855 buffer_.Flatten(s); | |
856 } | |
857 }; | |
858 | |
859 | |
860 static void JsonToXmlInternal(pugi::xml_node& target, | |
861 const Json::Value& source, | |
862 const std::string& arrayElement) | |
863 { | |
864 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
865 | |
866 switch (source.type()) | |
867 { | |
868 case Json::nullValue: | |
869 { | |
870 target.append_child(pugi::node_pcdata).set_value("null"); | |
871 break; | |
872 } | |
873 | |
874 case Json::intValue: | |
875 { | |
876 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
877 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
878 break; | |
879 } | |
880 | |
881 case Json::uintValue: | |
882 { | |
883 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
884 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
885 break; | |
886 } | |
887 | |
888 case Json::realValue: | |
889 { | |
890 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
891 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
892 break; | |
893 } | |
894 | |
895 case Json::stringValue: | |
896 { | |
897 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
898 break; | |
899 } | |
900 | |
901 case Json::booleanValue: | |
902 { | |
903 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
904 break; | |
905 } | |
906 | |
907 case Json::arrayValue: | |
908 { | |
909 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
910 { | |
911 pugi::xml_node node = target.append_child(); | |
912 node.set_name(arrayElement.c_str()); | |
913 JsonToXmlInternal(node, source[i], arrayElement); | |
914 } | |
915 break; | |
916 } | |
917 | |
918 case Json::objectValue: | |
919 { | |
920 Json::Value::Members members = source.getMemberNames(); | |
921 | |
922 for (size_t i = 0; i < members.size(); i++) | |
923 { | |
924 pugi::xml_node node = target.append_child(); | |
925 node.set_name(members[i].c_str()); | |
926 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
927 } | |
928 | |
929 break; | |
930 } | |
931 | |
932 default: | |
933 throw OrthancException(ErrorCode_NotImplemented); | |
934 } | |
935 } | |
936 | |
937 | |
938 void Toolbox::JsonToXml(std::string& target, | |
939 const Json::Value& source, | |
940 const std::string& rootElement, | |
941 const std::string& arrayElement) | |
942 { | |
943 pugi::xml_document doc; | |
944 | |
945 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
946 JsonToXmlInternal(n, source, arrayElement); | |
947 | |
948 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
949 decl.append_attribute("version").set_value("1.0"); | |
950 decl.append_attribute("encoding").set_value("utf-8"); | |
951 | |
952 ChunkedBufferWriter writer; | |
953 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
954 writer.Flatten(target); | |
955 } | |
956 | |
957 #endif | |
958 | |
959 | |
960 | |
961 bool Toolbox::IsInteger(const std::string& str) | |
962 { | |
963 std::string s = StripSpaces(str); | |
964 | |
965 if (s.size() == 0) | |
966 { | |
967 return false; | |
968 } | |
969 | |
970 size_t pos = 0; | |
971 if (s[0] == '-') | |
972 { | |
973 if (s.size() == 1) | |
974 { | |
975 return false; | |
976 } | |
977 | |
978 pos = 1; | |
979 } | |
980 | |
981 while (pos < s.size()) | |
982 { | |
983 if (!isdigit(s[pos])) | |
984 { | |
985 return false; | |
986 } | |
987 | |
988 pos++; | |
989 } | |
990 | |
991 return true; | |
992 } | |
993 | |
994 | |
995 void Toolbox::CopyJsonWithoutComments(Json::Value& target, | |
996 const Json::Value& source) | |
997 { | |
998 switch (source.type()) | |
999 { | |
1000 case Json::nullValue: | |
1001 target = Json::nullValue; | |
1002 break; | |
1003 | |
1004 case Json::intValue: | |
1005 target = source.asInt64(); | |
1006 break; | |
1007 | |
1008 case Json::uintValue: | |
1009 target = source.asUInt64(); | |
1010 break; | |
1011 | |
1012 case Json::realValue: | |
1013 target = source.asDouble(); | |
1014 break; | |
1015 | |
1016 case Json::stringValue: | |
1017 target = source.asString(); | |
1018 break; | |
1019 | |
1020 case Json::booleanValue: | |
1021 target = source.asBool(); | |
1022 break; | |
1023 | |
1024 case Json::arrayValue: | |
1025 { | |
1026 target = Json::arrayValue; | |
1027 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1028 { | |
1029 Json::Value& item = target.append(Json::nullValue); | |
1030 CopyJsonWithoutComments(item, source[i]); | |
1031 } | |
1032 | |
1033 break; | |
1034 } | |
1035 | |
1036 case Json::objectValue: | |
1037 { | |
1038 target = Json::objectValue; | |
1039 Json::Value::Members members = source.getMemberNames(); | |
1040 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) | |
1041 { | |
1042 const std::string item = members[i]; | |
1043 CopyJsonWithoutComments(target[item], source[item]); | |
1044 } | |
1045 | |
1046 break; | |
1047 } | |
1048 | |
1049 default: | |
1050 break; | |
1051 } | |
1052 } | |
1053 | |
1054 | |
1055 bool Toolbox::StartsWith(const std::string& str, | |
1056 const std::string& prefix) | |
1057 { | |
1058 if (str.size() < prefix.size()) | |
1059 { | |
1060 return false; | |
1061 } | |
1062 else | |
1063 { | |
1064 return str.compare(0, prefix.size(), prefix) == 0; | |
1065 } | |
1066 } | |
1067 | |
1068 | |
1069 static bool IsUnreservedCharacter(char c) | |
1070 { | |
1071 // This function checks whether "c" is an unserved character | |
1072 // wrt. an URI percent-encoding | |
1073 // https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding%5Fin%5Fa%5FURI | |
1074 | |
1075 return ((c >= 'A' && c <= 'Z') || | |
1076 (c >= 'a' && c <= 'z') || | |
1077 (c >= '0' && c <= '9') || | |
1078 c == '-' || | |
1079 c == '_' || | |
1080 c == '.' || | |
1081 c == '~'); | |
1082 } | |
1083 | |
1084 void Toolbox::UriEncode(std::string& target, | |
1085 const std::string& source) | |
1086 { | |
1087 // Estimate the length of the percent-encoded URI | |
1088 size_t length = 0; | |
1089 | |
1090 for (size_t i = 0; i < source.size(); i++) | |
1091 { | |
1092 if (IsUnreservedCharacter(source[i])) | |
1093 { | |
1094 length += 1; | |
1095 } | |
1096 else | |
1097 { | |
1098 // This character must be percent-encoded | |
1099 length += 3; | |
1100 } | |
1101 } | |
1102 | |
1103 target.clear(); | |
1104 target.reserve(length); | |
1105 | |
1106 for (size_t i = 0; i < source.size(); i++) | |
1107 { | |
1108 if (IsUnreservedCharacter(source[i])) | |
1109 { | |
1110 target.push_back(source[i]); | |
1111 } | |
1112 else | |
1113 { | |
1114 // This character must be percent-encoded | |
1115 uint8_t byte = static_cast<uint8_t>(source[i]); | |
1116 uint8_t a = byte >> 4; | |
1117 uint8_t b = byte & 0x0f; | |
1118 | |
1119 target.push_back('%'); | |
1120 target.push_back(a < 10 ? a + '0' : a - 10 + 'A'); | |
1121 target.push_back(b < 10 ? b + '0' : b - 10 + 'A'); | |
1122 } | |
1123 } | |
1124 } | |
1125 | |
1126 | |
1127 static bool HasField(const Json::Value& json, | |
1128 const std::string& key, | |
1129 Json::ValueType expectedType) | |
1130 { | |
1131 if (json.type() != Json::objectValue || | |
1132 !json.isMember(key)) | |
1133 { | |
1134 return false; | |
1135 } | |
1136 else if (json[key].type() == expectedType) | |
1137 { | |
1138 return true; | |
1139 } | |
1140 else | |
1141 { | |
1142 throw OrthancException(ErrorCode_BadParameterType); | |
1143 } | |
1144 } | |
1145 | |
1146 | |
1147 std::string Toolbox::GetJsonStringField(const Json::Value& json, | |
1148 const std::string& key, | |
1149 const std::string& defaultValue) | |
1150 { | |
1151 if (HasField(json, key, Json::stringValue)) | |
1152 { | |
1153 return json[key].asString(); | |
1154 } | |
1155 else | |
1156 { | |
1157 return defaultValue; | |
1158 } | |
1159 } | |
1160 | |
1161 | |
1162 bool Toolbox::GetJsonBooleanField(const ::Json::Value& json, | |
1163 const std::string& key, | |
1164 bool defaultValue) | |
1165 { | |
1166 if (HasField(json, key, Json::booleanValue)) | |
1167 { | |
1168 return json[key].asBool(); | |
1169 } | |
1170 else | |
1171 { | |
1172 return defaultValue; | |
1173 } | |
1174 } | |
1175 | |
1176 | |
1177 int Toolbox::GetJsonIntegerField(const ::Json::Value& json, | |
1178 const std::string& key, | |
1179 int defaultValue) | |
1180 { | |
1181 if (HasField(json, key, Json::intValue)) | |
1182 { | |
1183 return json[key].asInt(); | |
1184 } | |
1185 else | |
1186 { | |
1187 return defaultValue; | |
1188 } | |
1189 } | |
1190 | |
1191 | |
1192 unsigned int Toolbox::GetJsonUnsignedIntegerField(const ::Json::Value& json, | |
1193 const std::string& key, | |
1194 unsigned int defaultValue) | |
1195 { | |
1196 int v = GetJsonIntegerField(json, key, defaultValue); | |
1197 | |
1198 if (v < 0) | |
1199 { | |
1200 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
1201 } | |
1202 else | |
1203 { | |
1204 return static_cast<unsigned int>(v); | |
1205 } | |
1206 } | |
15 | 1207 |
1208 | |
1209 bool Toolbox::IsUuid(const std::string& str) | |
1210 { | |
1211 if (str.size() != 36) | |
1212 { | |
1213 return false; | |
1214 } | |
1215 | |
1216 for (size_t i = 0; i < str.length(); i++) | |
1217 { | |
1218 if (i == 8 || i == 13 || i == 18 || i == 23) | |
1219 { | |
1220 if (str[i] != '-') | |
1221 return false; | |
1222 } | |
1223 else | |
1224 { | |
1225 if (!isalnum(str[i])) | |
1226 return false; | |
1227 } | |
1228 } | |
1229 | |
1230 return true; | |
1231 } | |
1232 | |
1233 | |
1234 bool Toolbox::StartsWithUuid(const std::string& str) | |
1235 { | |
1236 if (str.size() < 36) | |
1237 { | |
1238 return false; | |
1239 } | |
1240 | |
1241 if (str.size() == 36) | |
1242 { | |
1243 return IsUuid(str); | |
1244 } | |
1245 | |
1246 assert(str.size() > 36); | |
1247 if (!isspace(str[36])) | |
1248 { | |
1249 return false; | |
1250 } | |
1251 | |
1252 return IsUuid(str.substr(0, 36)); | |
1253 } | |
1 | 1254 } |