Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 1478:1011bd6ab00b
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 01 Aug 2015 21:49:20 +0200 |
parents | 8dc80ba768aa |
children | f967bdf8534e |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 // http://en.highscore.de/cpp/boost/stringhandling.html | |
34 | |
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35 #include "../PrecompiledHeaders.h" |
0 | 36 #include "MongooseServer.h" |
37 | |
38 #include <algorithm> | |
39 #include <string.h> | |
40 #include <boost/lexical_cast.hpp> | |
41 #include <boost/algorithm/string.hpp> | |
42 #include <iostream> | |
43 #include <string.h> | |
44 #include <stdio.h> | |
45 #include <boost/thread.hpp> | |
108 | 46 #include <glog/logging.h> |
0 | 47 |
59 | 48 #include "../OrthancException.h" |
0 | 49 #include "../ChunkedBuffer.h" |
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50 #include "HttpToolbox.h" |
0 | 51 #include "mongoose.h" |
52 | |
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53 #if ORTHANC_SSL_ENABLED == 1 |
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54 #include <openssl/opensslv.h> |
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55 #endif |
0 | 56 |
59 | 57 #define ORTHANC_REALM "Orthanc Secure Area" |
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58 |
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59 static const long LOCALHOST = (127ll << 24) + 1ll; |
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60 |
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61 |
59 | 62 namespace Orthanc |
0 | 63 { |
64 static const char multipart[] = "multipart/form-data; boundary="; | |
65 static unsigned int multipartLength = sizeof(multipart) / sizeof(char) - 1; | |
66 | |
67 | |
68 namespace | |
69 { | |
70 // Anonymous namespace to avoid clashes between compilation modules | |
911 | 71 class MongooseOutputStream : public IHttpOutputStream |
0 | 72 { |
73 private: | |
74 struct mg_connection* connection_; | |
75 | |
911 | 76 public: |
77 MongooseOutputStream(struct mg_connection* connection) : connection_(connection) | |
78 { | |
79 } | |
80 | |
909 | 81 virtual void Send(bool isHeader, const void* buffer, size_t length) |
0 | 82 { |
217 | 83 if (length > 0) |
84 { | |
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85 int status = mg_write(connection_, buffer, length); |
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86 if (status != static_cast<int>(length)) |
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87 { |
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88 // status == 0 when the connection has been closed, -1 on error |
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89 throw OrthancException(ErrorCode_NetworkProtocol); |
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90 } |
217 | 91 } |
0 | 92 } |
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93 |
911 | 94 virtual void OnHttpStatusReceived(HttpStatus status) |
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95 { |
911 | 96 // Ignore this |
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97 } |
0 | 98 }; |
99 | |
100 | |
101 enum PostDataStatus | |
102 { | |
103 PostDataStatus_Success, | |
104 PostDataStatus_NoLength, | |
105 PostDataStatus_Pending, | |
106 PostDataStatus_Failure | |
107 }; | |
108 } | |
109 | |
110 | |
111 // TODO Move this to external file | |
112 | |
113 | |
114 class ChunkedFile : public ChunkedBuffer | |
115 { | |
116 private: | |
117 std::string filename_; | |
118 | |
119 public: | |
120 ChunkedFile(const std::string& filename) : | |
121 filename_(filename) | |
122 { | |
123 } | |
124 | |
125 const std::string& GetFilename() const | |
126 { | |
127 return filename_; | |
128 } | |
129 }; | |
130 | |
131 | |
132 | |
133 class ChunkStore | |
134 { | |
135 private: | |
136 typedef std::list<ChunkedFile*> Content; | |
137 Content content_; | |
138 unsigned int numPlaces_; | |
139 | |
140 boost::mutex mutex_; | |
141 std::set<std::string> discardedFiles_; | |
142 | |
143 void Clear() | |
144 { | |
145 for (Content::iterator it = content_.begin(); | |
656 | 146 it != content_.end(); ++it) |
0 | 147 { |
148 delete *it; | |
149 } | |
150 } | |
151 | |
152 Content::iterator Find(const std::string& filename) | |
153 { | |
154 for (Content::iterator it = content_.begin(); | |
656 | 155 it != content_.end(); ++it) |
0 | 156 { |
157 if ((*it)->GetFilename() == filename) | |
158 { | |
159 return it; | |
160 } | |
161 } | |
162 | |
163 return content_.end(); | |
164 } | |
165 | |
166 void Remove(const std::string& filename) | |
167 { | |
168 Content::iterator it = Find(filename); | |
169 if (it != content_.end()) | |
170 { | |
171 delete *it; | |
172 content_.erase(it); | |
173 } | |
174 } | |
175 | |
176 public: | |
177 ChunkStore() | |
178 { | |
179 numPlaces_ = 10; | |
180 } | |
181 | |
182 ~ChunkStore() | |
183 { | |
184 Clear(); | |
185 } | |
186 | |
187 PostDataStatus Store(std::string& completed, | |
188 const char* chunkData, | |
189 size_t chunkSize, | |
190 const std::string& filename, | |
191 size_t filesize) | |
192 { | |
193 boost::mutex::scoped_lock lock(mutex_); | |
194 | |
195 std::set<std::string>::iterator wasDiscarded = discardedFiles_.find(filename); | |
196 if (wasDiscarded != discardedFiles_.end()) | |
197 { | |
198 discardedFiles_.erase(wasDiscarded); | |
199 return PostDataStatus_Failure; | |
200 } | |
201 | |
202 ChunkedFile* f; | |
203 Content::iterator it = Find(filename); | |
204 if (it == content_.end()) | |
205 { | |
206 f = new ChunkedFile(filename); | |
207 | |
208 // Make some room | |
209 if (content_.size() >= numPlaces_) | |
210 { | |
211 discardedFiles_.insert(content_.front()->GetFilename()); | |
212 delete content_.front(); | |
213 content_.pop_front(); | |
214 } | |
215 | |
216 content_.push_back(f); | |
217 } | |
218 else | |
219 { | |
220 f = *it; | |
221 } | |
222 | |
223 f->AddChunk(chunkData, chunkSize); | |
224 | |
225 if (f->GetNumBytes() > filesize) | |
226 { | |
227 Remove(filename); | |
228 } | |
229 else if (f->GetNumBytes() == filesize) | |
230 { | |
231 f->Flatten(completed); | |
232 Remove(filename); | |
233 return PostDataStatus_Success; | |
234 } | |
235 | |
236 return PostDataStatus_Pending; | |
237 } | |
238 | |
239 /*void Print() | |
240 { | |
241 boost::mutex::scoped_lock lock(mutex_); | |
242 | |
243 printf("ChunkStore status:\n"); | |
244 for (Content::const_iterator i = content_.begin(); | |
245 i != content_.end(); i++) | |
246 { | |
247 printf(" [%s]: %d\n", (*i)->GetFilename().c_str(), (*i)->GetNumBytes()); | |
248 } | |
249 printf("-----\n"); | |
250 }*/ | |
251 }; | |
252 | |
253 | |
254 struct MongooseServer::PImpl | |
255 { | |
256 struct mg_context *context_; | |
257 ChunkStore chunkStore_; | |
258 }; | |
259 | |
260 | |
261 ChunkStore& MongooseServer::GetChunkStore() | |
262 { | |
263 return pimpl_->chunkStore_; | |
264 } | |
265 | |
266 | |
267 | |
416 | 268 static PostDataStatus ReadBody(std::string& postData, |
269 struct mg_connection *connection, | |
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270 const IHttpHandler::Arguments& headers) |
0 | 271 { |
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272 IHttpHandler::Arguments::const_iterator cs = headers.find("content-length"); |
0 | 273 if (cs == headers.end()) |
274 { | |
275 return PostDataStatus_NoLength; | |
276 } | |
277 | |
278 int length; | |
279 try | |
280 { | |
281 length = boost::lexical_cast<int>(cs->second); | |
282 } | |
283 catch (boost::bad_lexical_cast) | |
284 { | |
285 return PostDataStatus_NoLength; | |
286 } | |
287 | |
288 if (length < 0) | |
289 { | |
290 length = 0; | |
291 } | |
292 | |
293 postData.resize(length); | |
294 | |
295 size_t pos = 0; | |
296 while (length > 0) | |
297 { | |
298 int r = mg_read(connection, &postData[pos], length); | |
299 if (r <= 0) | |
300 { | |
301 return PostDataStatus_Failure; | |
302 } | |
418
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303 |
8 | 304 assert(r <= length); |
0 | 305 length -= r; |
306 pos += r; | |
307 } | |
308 | |
309 return PostDataStatus_Success; | |
310 } | |
311 | |
312 | |
313 | |
314 static PostDataStatus ParseMultipartPost(std::string &completedFile, | |
315 struct mg_connection *connection, | |
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316 const IHttpHandler::Arguments& headers, |
0 | 317 const std::string& contentType, |
318 ChunkStore& chunkStore) | |
319 { | |
320 std::string boundary = "--" + contentType.substr(multipartLength); | |
321 | |
322 std::string postData; | |
416 | 323 PostDataStatus status = ReadBody(postData, connection, headers); |
0 | 324 |
325 if (status != PostDataStatus_Success) | |
326 { | |
327 return status; | |
328 } | |
329 | |
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330 /*for (IHttpHandler::Arguments::const_iterator i = headers.begin(); i != headers.end(); i++) |
0 | 331 { |
332 std::cout << "Header [" << i->first << "] = " << i->second << "\n"; | |
333 } | |
334 printf("CHUNK\n");*/ | |
335 | |
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336 typedef IHttpHandler::Arguments::const_iterator ArgumentIterator; |
0 | 337 |
338 ArgumentIterator requestedWith = headers.find("x-requested-with"); | |
339 ArgumentIterator fileName = headers.find("x-file-name"); | |
340 ArgumentIterator fileSizeStr = headers.find("x-file-size"); | |
341 | |
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342 if (requestedWith != headers.end() && |
0 | 343 requestedWith->second != "XMLHttpRequest") |
344 { | |
345 return PostDataStatus_Failure; | |
346 } | |
347 | |
348 size_t fileSize = 0; | |
349 if (fileSizeStr != headers.end()) | |
350 { | |
351 try | |
352 { | |
353 fileSize = boost::lexical_cast<size_t>(fileSizeStr->second); | |
354 } | |
355 catch (boost::bad_lexical_cast) | |
356 { | |
357 return PostDataStatus_Failure; | |
358 } | |
359 } | |
360 | |
361 typedef boost::find_iterator<std::string::iterator> FindIterator; | |
10 | 362 typedef boost::iterator_range<char*> Range; |
0 | 363 |
364 //chunkStore.Print(); | |
365 | |
366 try | |
367 { | |
368 FindIterator last; | |
369 for (FindIterator it = | |
370 make_find_iterator(postData, boost::first_finder(boundary)); | |
371 it!=FindIterator(); | |
372 ++it) | |
373 { | |
374 if (last != FindIterator()) | |
375 { | |
10 | 376 Range part(&last->back(), &it->front()); |
0 | 377 Range content = boost::find_first(part, "\r\n\r\n"); |
345 | 378 if (/*content != Range()*/!content.empty()) |
0 | 379 { |
380 Range c(&content.back() + 1, &it->front() - 2); | |
381 size_t chunkSize = c.size(); | |
382 | |
383 if (chunkSize > 0) | |
384 { | |
385 const char* chunkData = &c.front(); | |
386 | |
387 if (fileName == headers.end()) | |
388 { | |
389 // This file is stored in a single chunk | |
390 completedFile.resize(chunkSize); | |
391 if (chunkSize > 0) | |
392 { | |
393 memcpy(&completedFile[0], chunkData, chunkSize); | |
394 } | |
395 return PostDataStatus_Success; | |
396 } | |
397 else | |
398 { | |
399 return chunkStore.Store(completedFile, chunkData, chunkSize, fileName->second, fileSize); | |
400 } | |
401 } | |
10 | 402 } |
0 | 403 } |
404 | |
405 last = it; | |
406 } | |
407 } | |
408 catch (std::length_error) | |
409 { | |
410 return PostDataStatus_Failure; | |
411 } | |
412 | |
413 return PostDataStatus_Pending; | |
414 } | |
415 | |
416 | |
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417 static bool IsAccessGranted(const MongooseServer& that, |
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418 const IHttpHandler::Arguments& headers) |
23 | 419 { |
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420 bool granted = false; |
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421 |
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422 IHttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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423 if (auth != headers.end()) |
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424 { |
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425 std::string s = auth->second; |
1213 | 426 if (s.size() > 6 && |
427 s.substr(0, 6) == "Basic ") | |
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428 { |
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429 std::string b64 = s.substr(6); |
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430 granted = that.IsValidBasicHttpAuthentication(b64); |
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431 } |
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432 } |
23 | 433 |
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434 return granted; |
23 | 435 } |
436 | |
437 | |
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438 static std::string GetAuthenticatedUsername(const IHttpHandler::Arguments& headers) |
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439 { |
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440 IHttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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441 |
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442 if (auth == headers.end()) |
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443 { |
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444 return ""; |
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445 } |
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446 |
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447 std::string s = auth->second; |
1213 | 448 if (s.size() <= 6 || |
449 s.substr(0, 6) != "Basic ") | |
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450 { |
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451 return ""; |
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452 } |
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453 |
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454 std::string b64 = s.substr(6); |
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455 std::string decoded; |
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456 Toolbox::DecodeBase64(decoded, b64); |
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457 size_t semicolons = decoded.find(':'); |
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458 |
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459 if (semicolons == std::string::npos) |
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460 { |
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461 // Bad-formatted request |
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462 return ""; |
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463 } |
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464 else |
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465 { |
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466 return decoded.substr(0, semicolons); |
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467 } |
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468 } |
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469 |
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470 |
473
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471 static bool ExtractMethod(HttpMethod& method, |
414 | 472 const struct mg_request_info *request, |
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473 const IHttpHandler::Arguments& headers, |
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474 const IHttpHandler::GetArguments& argumentsGET) |
414 | 475 { |
476 std::string overriden; | |
477 | |
478 // Check whether some PUT/DELETE faking is done | |
479 | |
480 // 1. Faking with Google's approach | |
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481 IHttpHandler::Arguments::const_iterator methodOverride = |
414 | 482 headers.find("x-http-method-override"); |
483 | |
484 if (methodOverride != headers.end()) | |
485 { | |
486 overriden = methodOverride->second; | |
487 } | |
488 else if (!strcmp(request->request_method, "GET")) | |
489 { | |
490 // 2. Faking with Ruby on Rail's approach | |
491 // GET /my/resource?_method=delete <=> DELETE /my/resource | |
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492 for (size_t i = 0; i < argumentsGET.size(); i++) |
414 | 493 { |
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494 if (argumentsGET[i].first == "_method") |
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495 { |
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496 overriden = argumentsGET[i].second; |
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497 break; |
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498 } |
414 | 499 } |
500 } | |
501 | |
502 if (overriden.size() > 0) | |
503 { | |
504 // A faking has been done within this request | |
505 Toolbox::ToUpperCase(overriden); | |
506 | |
416 | 507 LOG(INFO) << "HTTP method faking has been detected for " << overriden; |
508 | |
414 | 509 if (overriden == "PUT") |
510 { | |
473
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511 method = HttpMethod_Put; |
416 | 512 return true; |
414 | 513 } |
514 else if (overriden == "DELETE") | |
515 { | |
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516 method = HttpMethod_Delete; |
416 | 517 return true; |
414 | 518 } |
519 else | |
520 { | |
521 return false; | |
522 } | |
523 } | |
524 | |
525 // No PUT/DELETE faking was present | |
526 if (!strcmp(request->request_method, "GET")) | |
527 { | |
473
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528 method = HttpMethod_Get; |
414 | 529 } |
530 else if (!strcmp(request->request_method, "POST")) | |
531 { | |
473
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532 method = HttpMethod_Post; |
414 | 533 } |
534 else if (!strcmp(request->request_method, "DELETE")) | |
535 { | |
473
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536 method = HttpMethod_Delete; |
414 | 537 } |
538 else if (!strcmp(request->request_method, "PUT")) | |
539 { | |
473
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540 method = HttpMethod_Put; |
414 | 541 } |
542 else | |
543 { | |
544 return false; | |
545 } | |
546 | |
547 return true; | |
548 } | |
549 | |
550 | |
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551 static void InternalCallback(struct mg_connection *connection, |
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552 const struct mg_request_info *request) |
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553 { |
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554 MongooseServer* that = reinterpret_cast<MongooseServer*>(request->user_data); |
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555 |
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556 MongooseOutputStream stream(connection); |
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557 HttpOutput output(stream, that->IsKeepAliveEnabled()); |
0 | 558 |
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559 // Check remote calls |
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560 if (!that->IsRemoteAccessAllowed() && |
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561 request->remote_ip != LOCALHOST) |
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562 { |
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563 output.SendUnauthorized(ORTHANC_REALM); |
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564 return; |
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565 } |
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566 |
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567 |
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568 // Extract the HTTP headers |
1441
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diff
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|
569 IHttpHandler::Arguments headers; |
1112
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570 for (int i = 0; i < request->num_headers; i++) |
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571 { |
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572 std::string name = request->http_headers[i].name; |
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573 std::transform(name.begin(), name.end(), name.begin(), ::tolower); |
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574 headers.insert(std::make_pair(name, request->http_headers[i].value)); |
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575 } |
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576 |
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577 |
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578 // Extract the GET arguments |
1441
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diff
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|
579 IHttpHandler::GetArguments argumentsGET; |
1112
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580 if (!strcmp(request->request_method, "GET")) |
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581 { |
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582 HttpToolbox::ParseGetArguments(argumentsGET, request->query_string); |
1112
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583 } |
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584 |
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|
585 |
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changeset
|
586 // Compute the HTTP method, taking method faking into consideration |
1122
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|
587 HttpMethod method = HttpMethod_Get; |
1112
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588 if (!ExtractMethod(method, request, headers, argumentsGET)) |
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589 { |
1113
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590 output.SendStatus(HttpStatus_400_BadRequest); |
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591 return; |
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592 } |
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593 |
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|
594 |
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|
595 // Authenticate this connection |
1202
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Fix crash when bad HTTP credentials are provided
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596 if (that->IsAuthenticationEnabled() && !IsAccessGranted(*that, headers)) |
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597 { |
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598 output.SendUnauthorized(ORTHANC_REALM); |
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599 return; |
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600 } |
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601 |
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changeset
|
602 |
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603 // Apply the filter, if it is installed |
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604 const IIncomingHttpRequestFilter *filter = that->GetIncomingHttpRequestFilter(); |
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605 if (filter != NULL) |
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606 { |
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607 std::string username = GetAuthenticatedUsername(headers); |
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608 |
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609 char remoteIp[24]; |
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610 sprintf(remoteIp, "%d.%d.%d.%d", |
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611 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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612 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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613 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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614 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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615 |
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616 if (!filter->IsAllowed(method, request->uri, remoteIp, username.c_str())) |
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617 { |
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618 output.SendUnauthorized(ORTHANC_REALM); |
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619 return; |
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620 } |
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621 } |
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622 |
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623 |
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|
624 // Extract the body of the request for PUT and POST |
1446
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625 |
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626 // TODO Avoid unneccessary memcopy of the body |
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
627 |
1112
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changeset
|
628 std::string body; |
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diff
changeset
|
629 if (method == HttpMethod_Post || |
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diff
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|
630 method == HttpMethod_Put) |
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diff
changeset
|
631 { |
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parents:
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diff
changeset
|
632 PostDataStatus status; |
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parents:
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diff
changeset
|
633 |
1441
f3672356c121
refactoring: IHttpHandler and HttpToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1438
diff
changeset
|
634 IHttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
1112
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diff
changeset
|
635 if (ct == headers.end()) |
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diff
changeset
|
636 { |
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parents:
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diff
changeset
|
637 // No content-type specified. Assume no multi-part content occurs at this point. |
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diff
changeset
|
638 status = ReadBody(body, connection, headers); |
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diff
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|
639 } |
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diff
changeset
|
640 else |
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parents:
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diff
changeset
|
641 { |
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parents:
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diff
changeset
|
642 std::string contentType = ct->second; |
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parents:
1110
diff
changeset
|
643 if (contentType.size() >= multipartLength && |
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parents:
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diff
changeset
|
644 !memcmp(contentType.c_str(), multipart, multipartLength)) |
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diff
changeset
|
645 { |
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parents:
1110
diff
changeset
|
646 status = ParseMultipartPost(body, connection, headers, contentType, that->GetChunkStore()); |
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|
647 } |
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parents:
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diff
changeset
|
648 else |
a119f9ae3640
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parents:
1110
diff
changeset
|
649 { |
a119f9ae3640
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parents:
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diff
changeset
|
650 status = ReadBody(body, connection, headers); |
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upgrade to Mongoose 3.8
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parents:
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diff
changeset
|
651 } |
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
652 } |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
653 |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
654 switch (status) |
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upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
655 { |
a119f9ae3640
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parents:
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diff
changeset
|
656 case PostDataStatus_NoLength: |
1113
ba5c0908600c
Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
657 output.SendStatus(HttpStatus_411_LengthRequired); |
1112
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upgrade to Mongoose 3.8
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parents:
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diff
changeset
|
658 return; |
a119f9ae3640
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parents:
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diff
changeset
|
659 |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
660 case PostDataStatus_Failure: |
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
661 output.SendStatus(HttpStatus_400_BadRequest); |
1112
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upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
662 return; |
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parents:
1110
diff
changeset
|
663 |
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parents:
1110
diff
changeset
|
664 case PostDataStatus_Pending: |
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
665 output.SendBody(); |
1112
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
666 return; |
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parents:
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diff
changeset
|
667 |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
668 default: |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
669 break; |
a119f9ae3640
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parents:
1110
diff
changeset
|
670 } |
a119f9ae3640
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parents:
1110
diff
changeset
|
671 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
672 |
a119f9ae3640
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parents:
1110
diff
changeset
|
673 |
a119f9ae3640
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parents:
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diff
changeset
|
674 // Decompose the URI into its components |
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
675 UriComponents uri; |
a119f9ae3640
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parents:
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diff
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|
676 try |
a119f9ae3640
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parents:
1110
diff
changeset
|
677 { |
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parents:
1110
diff
changeset
|
678 Toolbox::SplitUriComponents(uri, request->uri); |
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
679 } |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
680 catch (OrthancException) |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
681 { |
1113
ba5c0908600c
Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
682 output.SendStatus(HttpStatus_400_BadRequest); |
1112
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
683 return; |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
684 } |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
685 |
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
686 |
a119f9ae3640
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parents:
1110
diff
changeset
|
687 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
688 |
1112
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
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diff
changeset
|
689 bool found = false; |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
690 |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
691 try |
1112
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
692 { |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
693 if (that->HasHandler()) |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
694 { |
1446
8dc80ba768aa
refactoring: IHttpHandler does not use std::string to hold the request body
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1443
diff
changeset
|
695 found = that->GetHandler().Handle(output, method, uri, headers, argumentsGET, body.c_str(), body.size()); |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
696 } |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
697 } |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
698 catch (OrthancException& e) |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
699 { |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
700 // Using this candidate handler results in an exception |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
701 LOG(ERROR) << "Exception in the HTTP handler: " << e.What(); |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
702 |
1112
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
703 try |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
704 { |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
705 switch (e.GetErrorCode()) |
1113
ba5c0908600c
Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
706 { |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
707 case ErrorCode_InexistentFile: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
708 case ErrorCode_InexistentItem: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
709 case ErrorCode_UnknownResource: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
710 output.SendStatus(HttpStatus_404_NotFound); |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
711 break; |
1113
ba5c0908600c
Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
712 |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
713 case ErrorCode_BadRequest: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
714 case ErrorCode_UriSyntax: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
715 output.SendStatus(HttpStatus_400_BadRequest); |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
716 break; |
1113
ba5c0908600c
Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1112
diff
changeset
|
717 |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
718 default: |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
719 output.SendStatus(HttpStatus_500_InternalServerError); |
1438 | 720 } |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
721 } |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
722 catch (OrthancException&) |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
723 { |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
724 // An exception here reflects the fact that an exception was |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
725 // triggered after the status code was sent by the HTTP handler. |
1112
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
726 } |
1443
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
727 |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
728 return; |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
729 } |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
730 catch (boost::bad_lexical_cast&) |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
731 { |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
732 LOG(ERROR) << "Exception in the HTTP handler: Bad lexical cast"; |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
733 output.SendStatus(HttpStatus_400_BadRequest); |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
734 return; |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
735 } |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
736 catch (std::runtime_error&) |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
737 { |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
738 LOG(ERROR) << "Exception in the HTTP handler: Presumably a bad JSON request"; |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
739 output.SendStatus(HttpStatus_400_BadRequest); |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1441
diff
changeset
|
740 return; |
1112
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
741 } |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
742 |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
743 if (!found) |
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
744 { |
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745 output.SendStatus(HttpStatus_404_NotFound); |
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746 } |
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747 } |
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748 |
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749 |
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750 #if MONGOOSE_USE_CALLBACKS == 0 |
0 | 751 static void* Callback(enum mg_event event, |
752 struct mg_connection *connection, | |
753 const struct mg_request_info *request) | |
754 { | |
755 if (event == MG_NEW_REQUEST) | |
756 { | |
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757 InternalCallback(connection, request); |
0 | 758 |
759 // Mark as processed | |
760 return (void*) ""; | |
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761 } |
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762 else |
0 | 763 { |
764 return NULL; | |
765 } | |
766 } | |
767 | |
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768 #elif MONGOOSE_USE_CALLBACKS == 1 |
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769 static int Callback(struct mg_connection *connection) |
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770 { |
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771 struct mg_request_info *request = mg_get_request_info(connection); |
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772 |
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773 InternalCallback(connection, request); |
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774 |
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775 return 1; // Do not let Mongoose handle the request by itself |
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776 } |
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777 |
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778 #else |
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779 #error Please set MONGOOSE_USE_CALLBACKS |
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780 #endif |
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781 |
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782 |
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783 |
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784 |
0 | 785 |
786 bool MongooseServer::IsRunning() const | |
787 { | |
788 return (pimpl_->context_ != NULL); | |
789 } | |
790 | |
791 | |
792 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
793 { | |
794 pimpl_->context_ = NULL; | |
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795 handler_ = NULL; |
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796 remoteAllowed_ = false; |
25
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797 authentication_ = false; |
23 | 798 ssl_ = false; |
0 | 799 port_ = 8000; |
417 | 800 filter_ = NULL; |
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801 keepAlive_ = false; |
748
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802 |
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803 #if ORTHANC_SSL_ENABLED == 1 |
749 | 804 // Check for the Heartbleed exploit |
748
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805 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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806 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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807 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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808 { |
749 | 809 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
748
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810 } |
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811 #endif |
0 | 812 } |
813 | |
814 | |
815 MongooseServer::~MongooseServer() | |
816 { | |
817 Stop(); | |
818 } | |
819 | |
820 | |
128 | 821 void MongooseServer::SetPortNumber(uint16_t port) |
0 | 822 { |
823 Stop(); | |
824 port_ = port; | |
825 } | |
826 | |
827 void MongooseServer::Start() | |
828 { | |
829 if (!IsRunning()) | |
830 { | |
831 std::string port = boost::lexical_cast<std::string>(port_); | |
832 | |
23 | 833 if (ssl_) |
834 { | |
835 port += "s"; | |
836 } | |
837 | |
0 | 838 const char *options[] = { |
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839 // Set the TCP port for the HTTP server |
0 | 840 "listening_ports", port.c_str(), |
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841 |
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842 // Optimization reported by Chris Hafey |
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843 // https://groups.google.com/d/msg/orthanc-users/CKueKX0pJ9E/_UCbl8T-VjIJ |
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844 "enable_keep_alive", (keepAlive_ ? "yes" : "no"), |
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845 |
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846 // Set the SSL certificate, if any. This must be the last option. |
23 | 847 ssl_ ? "ssl_certificate" : NULL, |
848 certificate_.c_str(), | |
0 | 849 NULL |
850 }; | |
851 | |
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852 #if MONGOOSE_USE_CALLBACKS == 0 |
0 | 853 pimpl_->context_ = mg_start(&Callback, this, options); |
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854 |
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855 #elif MONGOOSE_USE_CALLBACKS == 1 |
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856 struct mg_callbacks callbacks; |
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857 memset(&callbacks, 0, sizeof(callbacks)); |
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858 callbacks.begin_request = Callback; |
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859 pimpl_->context_ = mg_start(&callbacks, this, options); |
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860 |
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861 #else |
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862 #error Please set MONGOOSE_USE_CALLBACKS |
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863 #endif |
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864 |
0 | 865 if (!pimpl_->context_) |
866 { | |
59 | 867 throw OrthancException("Unable to launch the Mongoose server"); |
0 | 868 } |
869 } | |
870 } | |
871 | |
872 void MongooseServer::Stop() | |
873 { | |
874 if (IsRunning()) | |
875 { | |
876 mg_stop(pimpl_->context_); | |
877 pimpl_->context_ = NULL; | |
878 } | |
879 } | |
880 | |
881 | |
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882 void MongooseServer::ClearUsers() |
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883 { |
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884 Stop(); |
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885 registeredUsers_.clear(); |
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886 } |
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887 |
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888 |
23 | 889 void MongooseServer::RegisterUser(const char* username, |
890 const char* password) | |
891 { | |
892 Stop(); | |
24 | 893 |
894 std::string tag = std::string(username) + ":" + std::string(password); | |
809
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895 std::string encoded; |
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896 Toolbox::EncodeBase64(encoded, tag); |
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897 registeredUsers_.insert(encoded); |
23 | 898 } |
899 | |
900 void MongooseServer::SetSslEnabled(bool enabled) | |
901 { | |
902 Stop(); | |
903 | |
59 | 904 #if ORTHANC_SSL_ENABLED == 0 |
23 | 905 if (enabled) |
906 { | |
59 | 907 throw OrthancException("Orthanc has been built without SSL support"); |
23 | 908 } |
909 else | |
910 { | |
911 ssl_ = false; | |
912 } | |
913 #else | |
914 ssl_ = enabled; | |
915 #endif | |
916 } | |
917 | |
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918 |
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919 void MongooseServer::SetKeepAliveEnabled(bool enabled) |
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920 { |
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921 Stop(); |
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922 keepAlive_ = enabled; |
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923 LOG(WARNING) << "HTTP keep alive is " << (enabled ? "enabled" : "disabled"); |
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924 } |
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925 |
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926 |
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927 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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928 { |
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929 Stop(); |
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930 authentication_ = enabled; |
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931 } |
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932 |
23 | 933 void MongooseServer::SetSslCertificate(const char* path) |
934 { | |
935 Stop(); | |
936 certificate_ = path; | |
937 } | |
25
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938 |
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939 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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940 { |
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941 Stop(); |
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942 remoteAllowed_ = allowed; |
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943 } |
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944 |
409
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945 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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946 { |
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947 Stop(); |
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948 filter_ = &filter; |
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949 } |
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950 |
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951 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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952 { |
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953 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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954 } |
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955 |
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956 |
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957 void MongooseServer::Register(IHttpHandler& handler) |
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Sebastien Jodogne <s.jodogne@gmail.com>
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958 { |
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959 Stop(); |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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960 handler_ = &handler; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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961 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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962 |
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Sebastien Jodogne <s.jodogne@gmail.com>
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963 |
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Sebastien Jodogne <s.jodogne@gmail.com>
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964 IHttpHandler& MongooseServer::GetHandler() const |
895ab369d63c
refactoring: OrthancHttpHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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965 { |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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966 if (handler_ == NULL) |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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967 { |
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Sebastien Jodogne <s.jodogne@gmail.com>
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968 throw OrthancException(ErrorCode_InternalError); |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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969 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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970 |
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971 return *handler_; |
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972 } |
0 | 973 } |