Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 2412:cad393b41bc3
handy shortcuts in DicomMap
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 29 Sep 2017 11:35:45 +0200 |
| parents | 32bea64e070b |
| children | 878b59270859 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017 Osimis, Belgium |
| 0 | 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. | |
| 136 | 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. | |
| 0 | 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 // http://en.highscore.de/cpp/boost/stringhandling.html | |
| 35 | |
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36 #include "../PrecompiledHeaders.h" |
| 0 | 37 #include "MongooseServer.h" |
| 38 | |
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39 #include "../Logging.h" |
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40 #include "../ChunkedBuffer.h" |
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41 #include "HttpToolbox.h" |
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42 |
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43 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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44 # include "mongoose.h" |
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45 |
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46 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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47 # include "civetweb.h" |
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48 # define MONGOOSE_USE_CALLBACKS 1 |
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49 |
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50 #else |
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51 # error "Either Mongoose or Civetweb must be enabled to compile this file" |
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52 #endif |
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53 |
| 0 | 54 #include <algorithm> |
| 55 #include <string.h> | |
| 56 #include <boost/lexical_cast.hpp> | |
| 57 #include <boost/algorithm/string.hpp> | |
| 58 #include <iostream> | |
| 59 #include <string.h> | |
| 60 #include <stdio.h> | |
| 61 #include <boost/thread.hpp> | |
| 62 | |
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63 #if !defined(ORTHANC_ENABLE_SSL) |
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64 # error The macro ORTHANC_ENABLE_SSL must be defined |
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65 #endif |
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66 |
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67 #if ORTHANC_ENABLE_SSL == 1 |
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68 #include <openssl/opensslv.h> |
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69 #endif |
| 0 | 70 |
| 59 | 71 #define ORTHANC_REALM "Orthanc Secure Area" |
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72 |
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73 |
| 59 | 74 namespace Orthanc |
| 0 | 75 { |
| 76 static const char multipart[] = "multipart/form-data; boundary="; | |
| 77 static unsigned int multipartLength = sizeof(multipart) / sizeof(char) - 1; | |
| 78 | |
| 79 | |
| 80 namespace | |
| 81 { | |
| 82 // Anonymous namespace to avoid clashes between compilation modules | |
| 911 | 83 class MongooseOutputStream : public IHttpOutputStream |
| 0 | 84 { |
| 85 private: | |
| 86 struct mg_connection* connection_; | |
| 87 | |
| 911 | 88 public: |
| 89 MongooseOutputStream(struct mg_connection* connection) : connection_(connection) | |
| 90 { | |
| 91 } | |
| 92 | |
| 909 | 93 virtual void Send(bool isHeader, const void* buffer, size_t length) |
| 0 | 94 { |
| 217 | 95 if (length > 0) |
| 96 { | |
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97 int status = mg_write(connection_, buffer, length); |
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98 if (status != static_cast<int>(length)) |
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99 { |
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100 // status == 0 when the connection has been closed, -1 on error |
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101 throw OrthancException(ErrorCode_NetworkProtocol); |
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102 } |
| 217 | 103 } |
| 0 | 104 } |
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105 |
| 911 | 106 virtual void OnHttpStatusReceived(HttpStatus status) |
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107 { |
| 911 | 108 // Ignore this |
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109 } |
| 0 | 110 }; |
| 111 | |
| 112 | |
| 113 enum PostDataStatus | |
| 114 { | |
| 115 PostDataStatus_Success, | |
| 116 PostDataStatus_NoLength, | |
| 117 PostDataStatus_Pending, | |
| 118 PostDataStatus_Failure | |
| 119 }; | |
| 120 } | |
| 121 | |
| 122 | |
| 123 // TODO Move this to external file | |
| 124 | |
| 125 | |
| 126 class ChunkedFile : public ChunkedBuffer | |
| 127 { | |
| 128 private: | |
| 129 std::string filename_; | |
| 130 | |
| 131 public: | |
| 132 ChunkedFile(const std::string& filename) : | |
| 133 filename_(filename) | |
| 134 { | |
| 135 } | |
| 136 | |
| 137 const std::string& GetFilename() const | |
| 138 { | |
| 139 return filename_; | |
| 140 } | |
| 141 }; | |
| 142 | |
| 143 | |
| 144 | |
| 145 class ChunkStore | |
| 146 { | |
| 147 private: | |
| 148 typedef std::list<ChunkedFile*> Content; | |
| 149 Content content_; | |
| 150 unsigned int numPlaces_; | |
| 151 | |
| 152 boost::mutex mutex_; | |
| 153 std::set<std::string> discardedFiles_; | |
| 154 | |
| 155 void Clear() | |
| 156 { | |
| 157 for (Content::iterator it = content_.begin(); | |
| 656 | 158 it != content_.end(); ++it) |
| 0 | 159 { |
| 160 delete *it; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 Content::iterator Find(const std::string& filename) | |
| 165 { | |
| 166 for (Content::iterator it = content_.begin(); | |
| 656 | 167 it != content_.end(); ++it) |
| 0 | 168 { |
| 169 if ((*it)->GetFilename() == filename) | |
| 170 { | |
| 171 return it; | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 return content_.end(); | |
| 176 } | |
| 177 | |
| 178 void Remove(const std::string& filename) | |
| 179 { | |
| 180 Content::iterator it = Find(filename); | |
| 181 if (it != content_.end()) | |
| 182 { | |
| 183 delete *it; | |
| 184 content_.erase(it); | |
| 185 } | |
| 186 } | |
| 187 | |
| 188 public: | |
| 189 ChunkStore() | |
| 190 { | |
| 191 numPlaces_ = 10; | |
| 192 } | |
| 193 | |
| 194 ~ChunkStore() | |
| 195 { | |
| 196 Clear(); | |
| 197 } | |
| 198 | |
| 199 PostDataStatus Store(std::string& completed, | |
| 200 const char* chunkData, | |
| 201 size_t chunkSize, | |
| 202 const std::string& filename, | |
| 203 size_t filesize) | |
| 204 { | |
| 205 boost::mutex::scoped_lock lock(mutex_); | |
| 206 | |
| 207 std::set<std::string>::iterator wasDiscarded = discardedFiles_.find(filename); | |
| 208 if (wasDiscarded != discardedFiles_.end()) | |
| 209 { | |
| 210 discardedFiles_.erase(wasDiscarded); | |
| 211 return PostDataStatus_Failure; | |
| 212 } | |
| 213 | |
| 214 ChunkedFile* f; | |
| 215 Content::iterator it = Find(filename); | |
| 216 if (it == content_.end()) | |
| 217 { | |
| 218 f = new ChunkedFile(filename); | |
| 219 | |
| 220 // Make some room | |
| 221 if (content_.size() >= numPlaces_) | |
| 222 { | |
| 223 discardedFiles_.insert(content_.front()->GetFilename()); | |
| 224 delete content_.front(); | |
| 225 content_.pop_front(); | |
| 226 } | |
| 227 | |
| 228 content_.push_back(f); | |
| 229 } | |
| 230 else | |
| 231 { | |
| 232 f = *it; | |
| 233 } | |
| 234 | |
| 235 f->AddChunk(chunkData, chunkSize); | |
| 236 | |
| 237 if (f->GetNumBytes() > filesize) | |
| 238 { | |
| 239 Remove(filename); | |
| 240 } | |
| 241 else if (f->GetNumBytes() == filesize) | |
| 242 { | |
| 243 f->Flatten(completed); | |
| 244 Remove(filename); | |
| 245 return PostDataStatus_Success; | |
| 246 } | |
| 247 | |
| 248 return PostDataStatus_Pending; | |
| 249 } | |
| 250 | |
| 251 /*void Print() | |
| 252 { | |
| 253 boost::mutex::scoped_lock lock(mutex_); | |
| 254 | |
| 255 printf("ChunkStore status:\n"); | |
| 256 for (Content::const_iterator i = content_.begin(); | |
| 257 i != content_.end(); i++) | |
| 258 { | |
| 259 printf(" [%s]: %d\n", (*i)->GetFilename().c_str(), (*i)->GetNumBytes()); | |
| 260 } | |
| 261 printf("-----\n"); | |
| 262 }*/ | |
| 263 }; | |
| 264 | |
| 265 | |
| 266 struct MongooseServer::PImpl | |
| 267 { | |
| 268 struct mg_context *context_; | |
| 269 ChunkStore chunkStore_; | |
| 270 }; | |
| 271 | |
| 272 | |
| 273 ChunkStore& MongooseServer::GetChunkStore() | |
| 274 { | |
| 275 return pimpl_->chunkStore_; | |
| 276 } | |
| 277 | |
| 278 | |
| 279 | |
| 416 | 280 static PostDataStatus ReadBody(std::string& postData, |
| 281 struct mg_connection *connection, | |
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282 const IHttpHandler::Arguments& headers) |
| 0 | 283 { |
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284 IHttpHandler::Arguments::const_iterator cs = headers.find("content-length"); |
| 0 | 285 if (cs == headers.end()) |
| 286 { | |
| 287 return PostDataStatus_NoLength; | |
| 288 } | |
| 289 | |
| 290 int length; | |
| 291 try | |
| 292 { | |
| 293 length = boost::lexical_cast<int>(cs->second); | |
| 294 } | |
| 295 catch (boost::bad_lexical_cast) | |
| 296 { | |
| 297 return PostDataStatus_NoLength; | |
| 298 } | |
| 299 | |
| 300 if (length < 0) | |
| 301 { | |
| 302 length = 0; | |
| 303 } | |
| 304 | |
| 305 postData.resize(length); | |
| 306 | |
| 307 size_t pos = 0; | |
| 308 while (length > 0) | |
| 309 { | |
| 310 int r = mg_read(connection, &postData[pos], length); | |
| 311 if (r <= 0) | |
| 312 { | |
| 313 return PostDataStatus_Failure; | |
| 314 } | |
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315 |
| 8 | 316 assert(r <= length); |
| 0 | 317 length -= r; |
| 318 pos += r; | |
| 319 } | |
| 320 | |
| 321 return PostDataStatus_Success; | |
| 322 } | |
| 323 | |
| 324 | |
| 325 | |
| 326 static PostDataStatus ParseMultipartPost(std::string &completedFile, | |
| 327 struct mg_connection *connection, | |
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328 const IHttpHandler::Arguments& headers, |
| 0 | 329 const std::string& contentType, |
| 330 ChunkStore& chunkStore) | |
| 331 { | |
| 332 std::string boundary = "--" + contentType.substr(multipartLength); | |
| 333 | |
| 334 std::string postData; | |
| 416 | 335 PostDataStatus status = ReadBody(postData, connection, headers); |
| 0 | 336 |
| 337 if (status != PostDataStatus_Success) | |
| 338 { | |
| 339 return status; | |
| 340 } | |
| 341 | |
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342 /*for (IHttpHandler::Arguments::const_iterator i = headers.begin(); i != headers.end(); i++) |
| 0 | 343 { |
| 344 std::cout << "Header [" << i->first << "] = " << i->second << "\n"; | |
| 345 } | |
| 346 printf("CHUNK\n");*/ | |
| 347 | |
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348 typedef IHttpHandler::Arguments::const_iterator ArgumentIterator; |
| 0 | 349 |
| 350 ArgumentIterator requestedWith = headers.find("x-requested-with"); | |
| 351 ArgumentIterator fileName = headers.find("x-file-name"); | |
| 352 ArgumentIterator fileSizeStr = headers.find("x-file-size"); | |
| 353 | |
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354 if (requestedWith != headers.end() && |
| 0 | 355 requestedWith->second != "XMLHttpRequest") |
| 356 { | |
| 357 return PostDataStatus_Failure; | |
| 358 } | |
| 359 | |
| 360 size_t fileSize = 0; | |
| 361 if (fileSizeStr != headers.end()) | |
| 362 { | |
| 363 try | |
| 364 { | |
| 365 fileSize = boost::lexical_cast<size_t>(fileSizeStr->second); | |
| 366 } | |
| 367 catch (boost::bad_lexical_cast) | |
| 368 { | |
| 369 return PostDataStatus_Failure; | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 typedef boost::find_iterator<std::string::iterator> FindIterator; | |
| 10 | 374 typedef boost::iterator_range<char*> Range; |
| 0 | 375 |
| 376 //chunkStore.Print(); | |
| 377 | |
| 378 try | |
| 379 { | |
| 380 FindIterator last; | |
| 381 for (FindIterator it = | |
| 382 make_find_iterator(postData, boost::first_finder(boundary)); | |
| 383 it!=FindIterator(); | |
| 384 ++it) | |
| 385 { | |
| 386 if (last != FindIterator()) | |
| 387 { | |
| 10 | 388 Range part(&last->back(), &it->front()); |
| 0 | 389 Range content = boost::find_first(part, "\r\n\r\n"); |
| 345 | 390 if (/*content != Range()*/!content.empty()) |
| 0 | 391 { |
| 392 Range c(&content.back() + 1, &it->front() - 2); | |
| 393 size_t chunkSize = c.size(); | |
| 394 | |
| 395 if (chunkSize > 0) | |
| 396 { | |
| 397 const char* chunkData = &c.front(); | |
| 398 | |
| 399 if (fileName == headers.end()) | |
| 400 { | |
| 401 // This file is stored in a single chunk | |
| 402 completedFile.resize(chunkSize); | |
| 403 if (chunkSize > 0) | |
| 404 { | |
| 405 memcpy(&completedFile[0], chunkData, chunkSize); | |
| 406 } | |
| 407 return PostDataStatus_Success; | |
| 408 } | |
| 409 else | |
| 410 { | |
| 411 return chunkStore.Store(completedFile, chunkData, chunkSize, fileName->second, fileSize); | |
| 412 } | |
| 413 } | |
| 10 | 414 } |
| 0 | 415 } |
| 416 | |
| 417 last = it; | |
| 418 } | |
| 419 } | |
| 420 catch (std::length_error) | |
| 421 { | |
| 422 return PostDataStatus_Failure; | |
| 423 } | |
| 424 | |
| 425 return PostDataStatus_Pending; | |
| 426 } | |
| 427 | |
| 428 | |
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429 static bool IsAccessGranted(const MongooseServer& that, |
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430 const IHttpHandler::Arguments& headers) |
| 23 | 431 { |
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432 bool granted = false; |
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433 |
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434 IHttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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435 if (auth != headers.end()) |
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436 { |
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437 std::string s = auth->second; |
| 1213 | 438 if (s.size() > 6 && |
| 439 s.substr(0, 6) == "Basic ") | |
|
25
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440 { |
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441 std::string b64 = s.substr(6); |
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442 granted = that.IsValidBasicHttpAuthentication(b64); |
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443 } |
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444 } |
| 23 | 445 |
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446 return granted; |
| 23 | 447 } |
| 448 | |
| 449 | |
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450 static std::string GetAuthenticatedUsername(const IHttpHandler::Arguments& headers) |
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451 { |
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452 IHttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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453 |
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454 if (auth == headers.end()) |
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455 { |
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456 return ""; |
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457 } |
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458 |
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459 std::string s = auth->second; |
| 1213 | 460 if (s.size() <= 6 || |
| 461 s.substr(0, 6) != "Basic ") | |
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462 { |
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463 return ""; |
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464 } |
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465 |
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466 std::string b64 = s.substr(6); |
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467 std::string decoded; |
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468 Toolbox::DecodeBase64(decoded, b64); |
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469 size_t semicolons = decoded.find(':'); |
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470 |
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471 if (semicolons == std::string::npos) |
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472 { |
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473 // Bad-formatted request |
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474 return ""; |
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475 } |
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476 else |
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477 { |
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478 return decoded.substr(0, semicolons); |
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479 } |
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480 } |
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481 |
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482 |
|
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483 static bool ExtractMethod(HttpMethod& method, |
| 414 | 484 const struct mg_request_info *request, |
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485 const IHttpHandler::Arguments& headers, |
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486 const IHttpHandler::GetArguments& argumentsGET) |
| 414 | 487 { |
| 488 std::string overriden; | |
| 489 | |
| 490 // Check whether some PUT/DELETE faking is done | |
| 491 | |
| 492 // 1. Faking with Google's approach | |
|
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493 IHttpHandler::Arguments::const_iterator methodOverride = |
| 414 | 494 headers.find("x-http-method-override"); |
| 495 | |
| 496 if (methodOverride != headers.end()) | |
| 497 { | |
| 498 overriden = methodOverride->second; | |
| 499 } | |
| 500 else if (!strcmp(request->request_method, "GET")) | |
| 501 { | |
| 502 // 2. Faking with Ruby on Rail's approach | |
| 503 // GET /my/resource?_method=delete <=> DELETE /my/resource | |
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504 for (size_t i = 0; i < argumentsGET.size(); i++) |
| 414 | 505 { |
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506 if (argumentsGET[i].first == "_method") |
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507 { |
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508 overriden = argumentsGET[i].second; |
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509 break; |
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510 } |
| 414 | 511 } |
| 512 } | |
| 513 | |
| 514 if (overriden.size() > 0) | |
| 515 { | |
| 516 // A faking has been done within this request | |
| 517 Toolbox::ToUpperCase(overriden); | |
| 518 | |
| 416 | 519 LOG(INFO) << "HTTP method faking has been detected for " << overriden; |
| 520 | |
| 414 | 521 if (overriden == "PUT") |
| 522 { | |
|
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523 method = HttpMethod_Put; |
| 416 | 524 return true; |
| 414 | 525 } |
| 526 else if (overriden == "DELETE") | |
| 527 { | |
|
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528 method = HttpMethod_Delete; |
| 416 | 529 return true; |
| 414 | 530 } |
| 531 else | |
| 532 { | |
| 533 return false; | |
| 534 } | |
| 535 } | |
| 536 | |
| 537 // No PUT/DELETE faking was present | |
| 538 if (!strcmp(request->request_method, "GET")) | |
| 539 { | |
|
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540 method = HttpMethod_Get; |
| 414 | 541 } |
| 542 else if (!strcmp(request->request_method, "POST")) | |
| 543 { | |
|
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544 method = HttpMethod_Post; |
| 414 | 545 } |
| 546 else if (!strcmp(request->request_method, "DELETE")) | |
| 547 { | |
|
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548 method = HttpMethod_Delete; |
| 414 | 549 } |
| 550 else if (!strcmp(request->request_method, "PUT")) | |
| 551 { | |
|
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552 method = HttpMethod_Put; |
| 414 | 553 } |
| 554 else | |
| 555 { | |
| 556 return false; | |
| 557 } | |
| 558 | |
| 559 return true; | |
| 560 } | |
| 561 | |
| 562 | |
| 1517 | 563 static void ConfigureHttpCompression(HttpOutput& output, |
| 564 const IHttpHandler::Arguments& headers) | |
| 565 { | |
| 566 // Look if the client wishes HTTP compression | |
| 567 // https://en.wikipedia.org/wiki/HTTP_compression | |
| 568 IHttpHandler::Arguments::const_iterator it = headers.find("accept-encoding"); | |
| 569 if (it != headers.end()) | |
| 570 { | |
| 571 std::vector<std::string> encodings; | |
| 572 Toolbox::TokenizeString(encodings, it->second, ','); | |
| 573 | |
| 574 for (size_t i = 0; i < encodings.size(); i++) | |
| 575 { | |
| 576 std::string s = Toolbox::StripSpaces(encodings[i]); | |
| 577 | |
| 578 if (s == "deflate") | |
| 579 { | |
| 580 output.SetDeflateAllowed(true); | |
| 581 } | |
| 582 else if (s == "gzip") | |
| 583 { | |
| 584 output.SetGzipAllowed(true); | |
| 585 } | |
| 586 } | |
| 587 } | |
| 588 } | |
| 589 | |
| 590 | |
|
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591 static void InternalCallback(HttpOutput& output /* out */, |
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592 HttpMethod& method /* out */, |
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593 MongooseServer& server, |
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594 struct mg_connection *connection, |
|
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595 const struct mg_request_info *request) |
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596 { |
|
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597 bool localhost; |
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598 |
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599 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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600 static const long LOCALHOST = (127ll << 24) + 1ll; |
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601 localhost = (request->remote_ip == LOCALHOST); |
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602 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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603 // The "remote_ip" field of "struct mg_request_info" is tagged as |
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604 // deprecated in Civetweb, using "remote_addr" instead. |
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605 localhost = (std::string(request->remote_addr) == "127.0.0.1"); |
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606 #else |
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607 #error |
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608 #endif |
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609 |
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610 // Check remote calls |
|
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611 if (!server.IsRemoteAccessAllowed() && |
|
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612 !localhost) |
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613 { |
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614 output.SendUnauthorized(ORTHANC_REALM); |
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615 return; |
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616 } |
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617 |
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618 |
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619 // Extract the HTTP headers |
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620 IHttpHandler::Arguments headers; |
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621 for (int i = 0; i < request->num_headers; i++) |
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622 { |
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623 std::string name = request->http_headers[i].name; |
|
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624 std::string value = request->http_headers[i].value; |
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625 |
|
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626 std::transform(name.begin(), name.end(), name.begin(), ::tolower); |
|
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627 headers.insert(std::make_pair(name, value)); |
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628 VLOG(1) << "HTTP header: [" << name << "]: [" << value << "]"; |
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629 } |
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630 |
|
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|
631 if (server.IsHttpCompressionEnabled()) |
| 1517 | 632 { |
| 633 ConfigureHttpCompression(output, headers); | |
| 634 } | |
| 635 | |
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636 |
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637 // Extract the GET arguments |
|
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638 IHttpHandler::GetArguments argumentsGET; |
|
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639 if (!strcmp(request->request_method, "GET")) |
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|
640 { |
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|
641 HttpToolbox::ParseGetArguments(argumentsGET, request->query_string); |
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642 } |
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643 |
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644 |
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645 // Compute the HTTP method, taking method faking into consideration |
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646 method = HttpMethod_Get; |
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647 if (!ExtractMethod(method, request, headers, argumentsGET)) |
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648 { |
|
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649 output.SendStatus(HttpStatus_400_BadRequest); |
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650 return; |
|
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|
651 } |
|
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652 |
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653 |
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654 // Authenticate this connection |
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655 if (server.IsAuthenticationEnabled() && |
|
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656 !IsAccessGranted(server, headers)) |
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657 { |
|
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658 output.SendUnauthorized(ORTHANC_REALM); |
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659 return; |
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660 } |
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661 |
|
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662 |
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|
663 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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664 // Apply the filter, if it is installed |
|
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665 char remoteIp[24]; |
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666 sprintf(remoteIp, "%d.%d.%d.%d", |
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667 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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668 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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669 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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670 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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671 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
|
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672 const char* remoteIp = request->remote_addr; |
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673 #else |
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674 #error |
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|
675 #endif |
|
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676 |
|
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|
677 std::string username = GetAuthenticatedUsername(headers); |
|
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|
678 |
|
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|
679 const IIncomingHttpRequestFilter *filter = server.GetIncomingHttpRequestFilter(); |
|
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680 if (filter != NULL) |
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|
681 { |
|
2268
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New function: OrthancPluginRegisterIncomingHttpRequestFilter2()
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|
682 if (!filter->IsAllowed(method, request->uri, remoteIp, |
|
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New function: OrthancPluginRegisterIncomingHttpRequestFilter2()
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|
683 username.c_str(), headers, argumentsGET)) |
|
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|
684 { |
|
1963
af0c90ae0915
Use 403 Forbidden status if the incoming HTTP request is disallowed
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|
685 //output.SendUnauthorized(ORTHANC_REALM); |
|
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|
686 output.SendStatus(HttpStatus_403_Forbidden); |
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687 return; |
|
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|
688 } |
|
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|
689 } |
|
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|
690 |
|
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|
691 |
|
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|
692 // Extract the body of the request for PUT and POST |
|
1446
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|
693 |
|
8dc80ba768aa
refactoring: IHttpHandler does not use std::string to hold the request body
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changeset
|
694 // TODO Avoid unneccessary memcopy of the body |
|
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|
695 |
|
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|
696 std::string body; |
|
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|
697 if (method == HttpMethod_Post || |
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|
698 method == HttpMethod_Put) |
|
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|
699 { |
|
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|
700 PostDataStatus status; |
|
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|
701 |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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|
702 IHttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
|
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|
703 if (ct == headers.end()) |
|
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|
704 { |
|
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|
705 // No content-type specified. Assume no multi-part content occurs at this point. |
|
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|
706 status = ReadBody(body, connection, headers); |
|
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|
707 } |
|
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|
708 else |
|
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|
709 { |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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|
710 std::string contentType = ct->second; |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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|
711 if (contentType.size() >= multipartLength && |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
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|
712 !memcmp(contentType.c_str(), multipart, multipartLength)) |
|
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|
713 { |
|
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714 status = ParseMultipartPost(body, connection, headers, contentType, server.GetChunkStore()); |
|
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|
715 } |
|
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diff
changeset
|
716 else |
|
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diff
changeset
|
717 { |
|
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upgrade to Mongoose 3.8
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changeset
|
718 status = ReadBody(body, connection, headers); |
|
a119f9ae3640
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Sebastien Jodogne <s.jodogne@gmail.com>
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|
719 } |
|
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upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
720 } |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
721 |
|
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
1110
diff
changeset
|
722 switch (status) |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
723 { |
|
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upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
724 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
|
725 output.SendStatus(HttpStatus_411_LengthRequired); |
|
1112
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upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
726 return; |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
727 |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
728 case PostDataStatus_Failure: |
|
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
Sebastien Jodogne <s.jodogne@gmail.com>
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1112
diff
changeset
|
729 output.SendStatus(HttpStatus_400_BadRequest); |
|
1112
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
730 return; |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
731 |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
732 case PostDataStatus_Pending: |
| 1521 | 733 output.AnswerEmpty(); |
|
1112
a119f9ae3640
upgrade to Mongoose 3.8
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parents:
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diff
changeset
|
734 return; |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
735 |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
736 default: |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
737 break; |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
738 } |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
739 } |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
740 |
|
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 // Decompose the URI into its components |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
743 UriComponents uri; |
|
a119f9ae3640
upgrade to Mongoose 3.8
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1110
diff
changeset
|
744 try |
|
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|
745 { |
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|
746 Toolbox::SplitUriComponents(uri, request->uri); |
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|
747 } |
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|
748 catch (OrthancException&) |
|
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|
749 { |
|
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
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|
750 output.SendStatus(HttpStatus_400_BadRequest); |
|
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|
751 return; |
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|
752 } |
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upgrade to Mongoose 3.8
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diff
changeset
|
753 |
|
a119f9ae3640
upgrade to Mongoose 3.8
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changeset
|
754 |
|
a119f9ae3640
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diff
changeset
|
755 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
|
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refactoring: OrthancHttpHandler
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|
756 |
|
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|
757 bool found = false; |
|
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|
758 |
|
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759 if (server.HasHandler()) |
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|
760 { |
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Avoid hard crash if not enough memory
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|
761 found = server.GetHandler().Handle(output, RequestOrigin_RestApi, remoteIp, username.c_str(), |
|
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Avoid hard crash if not enough memory
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762 method, uri, headers, argumentsGET, body.c_str(), body.size()); |
|
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Avoid hard crash if not enough memory
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|
763 } |
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Avoid hard crash if not enough memory
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|
764 |
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Avoid hard crash if not enough memory
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|
765 if (!found) |
|
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Avoid hard crash if not enough memory
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changeset
|
766 { |
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Avoid hard crash if not enough memory
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changeset
|
767 throw OrthancException(ErrorCode_UnknownResource); |
|
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changeset
|
768 } |
|
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Avoid hard crash if not enough memory
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|
769 } |
|
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changeset
|
770 |
|
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|
771 |
|
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|
772 static void ProtectedCallback(struct mg_connection *connection, |
|
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|
773 const struct mg_request_info *request) |
|
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|
774 { |
|
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|
775 try |
|
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|
776 { |
|
2377
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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|
777 void* that = NULL; |
|
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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|
778 |
|
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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|
779 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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780 that = request->user_data; |
|
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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|
781 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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|
782 // https://github.com/civetweb/civetweb/issues/409 |
|
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changeset
|
783 that = mg_get_user_data(mg_get_context(connection)); |
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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changeset
|
784 #else |
|
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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changeset
|
785 #error |
|
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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|
786 #endif |
|
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|
787 |
|
2377
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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changeset
|
788 MongooseServer* server = reinterpret_cast<MongooseServer*>(that); |
|
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changeset
|
789 |
|
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|
790 if (server == NULL) |
|
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|
791 { |
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changeset
|
792 MongooseOutputStream stream(connection); |
|
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|
793 HttpOutput output(stream, false /* assume no keep-alive */); |
|
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|
794 output.SendStatus(HttpStatus_500_InternalServerError); |
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changeset
|
795 return; |
|
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Avoid hard crash if not enough memory
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changeset
|
796 } |
|
2377
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Experimental support of actively maintained Civetweb to replace Mongoose 3.8
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changeset
|
797 |
|
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changeset
|
798 MongooseOutputStream stream(connection); |
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changeset
|
799 HttpOutput output(stream, server->IsKeepAliveEnabled()); |
|
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changeset
|
800 HttpMethod method = HttpMethod_Get; |
| 1569 | 801 |
| 802 try | |
| 1570 | 803 { |
|
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|
804 try |
|
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Avoid hard crash if not enough memory
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diff
changeset
|
805 { |
|
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changeset
|
806 InternalCallback(output, method, *server, connection, request); |
|
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Avoid hard crash if not enough memory
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changeset
|
807 } |
|
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Avoid hard crash if not enough memory
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changeset
|
808 catch (OrthancException&) |
|
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Avoid hard crash if not enough memory
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changeset
|
809 { |
|
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changeset
|
810 throw; // Pass the exception to the main handler below |
|
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changeset
|
811 } |
|
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diff
changeset
|
812 // Now convert native exceptions as OrthancException |
|
ddc75c6c712d
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|
813 catch (boost::bad_lexical_cast&) |
| 1570 | 814 { |
|
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|
815 LOG(ERROR) << "Syntax error in some user-supplied data"; |
|
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changeset
|
816 throw OrthancException(ErrorCode_BadParameterType); |
|
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changeset
|
817 } |
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Avoid hard crash if not enough memory
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changeset
|
818 catch (std::runtime_error&) |
|
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changeset
|
819 { |
|
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|
820 // Presumably an error while parsing the JSON body |
|
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|
821 throw OrthancException(ErrorCode_BadRequest); |
|
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|
822 } |
|
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Avoid hard crash if not enough memory
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changeset
|
823 catch (std::bad_alloc&) |
|
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Avoid hard crash if not enough memory
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|
824 { |
|
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Avoid hard crash if not enough memory
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|
825 LOG(ERROR) << "The server hosting Orthanc is running out of memory"; |
|
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|
826 throw OrthancException(ErrorCode_NotEnoughMemory); |
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Avoid hard crash if not enough memory
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|
827 } |
|
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Avoid hard crash if not enough memory
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changeset
|
828 catch (...) |
|
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Avoid hard crash if not enough memory
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changeset
|
829 { |
|
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Avoid hard crash if not enough memory
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|
830 LOG(ERROR) << "An unhandled exception was generated inside the HTTP server"; |
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|
831 throw OrthancException(ErrorCode_InternalError); |
| 1570 | 832 } |
| 833 } | |
|
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|
834 catch (OrthancException& e) |
| 1570 | 835 { |
|
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|
836 assert(server != NULL); |
| 1569 | 837 |
|
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|
838 // Using this candidate handler results in an exception |
|
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|
839 try |
|
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Avoid hard crash if not enough memory
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changeset
|
840 { |
|
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Avoid hard crash if not enough memory
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changeset
|
841 if (server->GetExceptionFormatter() == NULL) |
|
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Avoid hard crash if not enough memory
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changeset
|
842 { |
|
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Avoid hard crash if not enough memory
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changeset
|
843 LOG(ERROR) << "Exception in the HTTP handler: " << e.What(); |
|
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|
844 output.SendStatus(e.GetHttpStatus()); |
|
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Avoid hard crash if not enough memory
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|
845 } |
|
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Avoid hard crash if not enough memory
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|
846 else |
|
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Avoid hard crash if not enough memory
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changeset
|
847 { |
|
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changeset
|
848 server->GetExceptionFormatter()->Format(output, e, method, request->uri); |
|
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Avoid hard crash if not enough memory
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changeset
|
849 } |
|
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Avoid hard crash if not enough memory
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|
850 } |
|
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Avoid hard crash if not enough memory
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changeset
|
851 catch (OrthancException&) |
|
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|
852 { |
|
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Avoid hard crash if not enough memory
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changeset
|
853 // An exception here reflects the fact that the status code |
|
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changeset
|
854 // was already set by the HTTP handler. |
|
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Avoid hard crash if not enough memory
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|
855 } |
| 1570 | 856 } |
|
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refactoring: OrthancHttpHandler
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|
857 } |
|
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Avoid hard crash if not enough memory
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changeset
|
858 catch (...) |
|
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|
859 { |
|
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changeset
|
860 // We should never arrive at this point, where it is even impossible to send an answer |
|
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Avoid hard crash if not enough memory
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861 LOG(ERROR) << "Catastrophic error inside the HTTP server, giving up"; |
|
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862 } |
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863 } |
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864 |
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865 |
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866 #if MONGOOSE_USE_CALLBACKS == 0 |
| 0 | 867 static void* Callback(enum mg_event event, |
| 868 struct mg_connection *connection, | |
| 869 const struct mg_request_info *request) | |
| 870 { | |
| 871 if (event == MG_NEW_REQUEST) | |
| 872 { | |
|
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873 ProtectedCallback(connection, request); |
| 0 | 874 |
| 875 // Mark as processed | |
| 876 return (void*) ""; | |
|
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877 } |
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878 else |
| 0 | 879 { |
| 880 return NULL; | |
| 881 } | |
| 882 } | |
| 883 | |
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884 #elif MONGOOSE_USE_CALLBACKS == 1 |
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885 static int Callback(struct mg_connection *connection) |
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886 { |
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887 const struct mg_request_info *request = mg_get_request_info(connection); |
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888 |
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889 ProtectedCallback(connection, request); |
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890 |
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891 return 1; // Do not let Mongoose handle the request by itself |
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892 } |
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893 |
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894 #else |
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895 #error Please set MONGOOSE_USE_CALLBACKS |
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896 #endif |
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897 |
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898 |
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899 |
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900 |
| 0 | 901 |
| 902 bool MongooseServer::IsRunning() const | |
| 903 { | |
| 904 return (pimpl_->context_ != NULL); | |
| 905 } | |
| 906 | |
| 907 | |
| 908 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
| 909 { | |
| 910 pimpl_->context_ = NULL; | |
|
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911 handler_ = NULL; |
|
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912 remoteAllowed_ = false; |
|
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913 authentication_ = false; |
| 23 | 914 ssl_ = false; |
| 0 | 915 port_ = 8000; |
| 417 | 916 filter_ = NULL; |
|
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917 keepAlive_ = false; |
| 1517 | 918 httpCompression_ = true; |
|
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919 exceptionFormatter_ = NULL; |
|
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920 |
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921 #if ORTHANC_ENABLE_SSL == 1 |
| 749 | 922 // Check for the Heartbleed exploit |
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923 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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924 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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925 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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926 { |
| 749 | 927 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
|
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928 } |
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929 #endif |
| 0 | 930 } |
| 931 | |
| 932 | |
| 933 MongooseServer::~MongooseServer() | |
| 934 { | |
| 935 Stop(); | |
| 936 } | |
| 937 | |
| 938 | |
| 128 | 939 void MongooseServer::SetPortNumber(uint16_t port) |
| 0 | 940 { |
| 941 Stop(); | |
| 942 port_ = port; | |
| 943 } | |
| 944 | |
| 945 void MongooseServer::Start() | |
| 946 { | |
|
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947 #if ORTHANC_ENABLE_MONGOOSE == 1 |
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948 LOG(INFO) << "Starting embedded Web server using Mongoose"; |
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949 #elif ORTHANC_ENABLE_CIVETWEB == 1 |
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950 LOG(INFO) << "Starting embedded Web server using Civetweb"; |
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951 #else |
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952 #error |
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953 #endif |
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|
954 |
| 0 | 955 if (!IsRunning()) |
| 956 { | |
| 957 std::string port = boost::lexical_cast<std::string>(port_); | |
| 958 | |
| 23 | 959 if (ssl_) |
| 960 { | |
| 961 port += "s"; | |
| 962 } | |
| 963 | |
| 0 | 964 const char *options[] = { |
|
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965 // Set the TCP port for the HTTP server |
| 0 | 966 "listening_ports", port.c_str(), |
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967 |
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968 // Optimization reported by Chris Hafey |
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969 // https://groups.google.com/d/msg/orthanc-users/CKueKX0pJ9E/_UCbl8T-VjIJ |
|
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970 "enable_keep_alive", (keepAlive_ ? "yes" : "no"), |
|
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971 |
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972 // Set the SSL certificate, if any. This must be the last option. |
| 23 | 973 ssl_ ? "ssl_certificate" : NULL, |
| 974 certificate_.c_str(), | |
| 0 | 975 NULL |
| 976 }; | |
| 977 | |
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978 #if MONGOOSE_USE_CALLBACKS == 0 |
| 0 | 979 pimpl_->context_ = mg_start(&Callback, this, options); |
|
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980 |
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981 #elif MONGOOSE_USE_CALLBACKS == 1 |
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982 struct mg_callbacks callbacks; |
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983 memset(&callbacks, 0, sizeof(callbacks)); |
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984 callbacks.begin_request = Callback; |
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985 pimpl_->context_ = mg_start(&callbacks, this, options); |
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986 |
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987 #else |
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988 #error Please set MONGOOSE_USE_CALLBACKS |
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989 #endif |
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990 |
| 0 | 991 if (!pimpl_->context_) |
| 992 { | |
|
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993 throw OrthancException(ErrorCode_HttpPortInUse); |
| 0 | 994 } |
| 995 } | |
| 996 } | |
| 997 | |
| 998 void MongooseServer::Stop() | |
| 999 { | |
| 1000 if (IsRunning()) | |
| 1001 { | |
| 1002 mg_stop(pimpl_->context_); | |
| 1003 pimpl_->context_ = NULL; | |
| 1004 } | |
| 1005 } | |
| 1006 | |
| 1007 | |
|
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1008 void MongooseServer::ClearUsers() |
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1009 { |
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1010 Stop(); |
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1011 registeredUsers_.clear(); |
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1012 } |
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1013 |
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1014 |
| 23 | 1015 void MongooseServer::RegisterUser(const char* username, |
| 1016 const char* password) | |
| 1017 { | |
| 1018 Stop(); | |
| 24 | 1019 |
| 1020 std::string tag = std::string(username) + ":" + std::string(password); | |
|
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1021 std::string encoded; |
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1022 Toolbox::EncodeBase64(encoded, tag); |
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1023 registeredUsers_.insert(encoded); |
| 23 | 1024 } |
| 1025 | |
| 1026 void MongooseServer::SetSslEnabled(bool enabled) | |
| 1027 { | |
| 1028 Stop(); | |
| 1029 | |
|
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1030 #if ORTHANC_ENABLE_SSL == 0 |
| 23 | 1031 if (enabled) |
| 1032 { | |
|
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1033 throw OrthancException(ErrorCode_SslDisabled); |
| 23 | 1034 } |
| 1035 else | |
| 1036 { | |
| 1037 ssl_ = false; | |
| 1038 } | |
| 1039 #else | |
| 1040 ssl_ = enabled; | |
| 1041 #endif | |
| 1042 } | |
| 1043 | |
|
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1044 |
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1045 void MongooseServer::SetKeepAliveEnabled(bool enabled) |
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1046 { |
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1047 Stop(); |
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1048 keepAlive_ = enabled; |
|
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1049 LOG(INFO) << "HTTP keep alive is " << (enabled ? "enabled" : "disabled"); |
|
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1050 } |
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1051 |
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1052 |
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1053 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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1054 { |
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1055 Stop(); |
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1056 authentication_ = enabled; |
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1057 } |
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1058 |
| 23 | 1059 void MongooseServer::SetSslCertificate(const char* path) |
| 1060 { | |
| 1061 Stop(); | |
| 1062 certificate_ = path; | |
| 1063 } | |
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1064 |
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1065 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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1066 { |
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1067 Stop(); |
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1068 remoteAllowed_ = allowed; |
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1069 } |
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1070 |
| 1517 | 1071 void MongooseServer::SetHttpCompressionEnabled(bool enabled) |
| 1072 { | |
| 1073 Stop(); | |
| 1074 httpCompression_ = enabled; | |
| 1518 | 1075 LOG(WARNING) << "HTTP compression is " << (enabled ? "enabled" : "disabled"); |
| 1517 | 1076 } |
|
1592
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1077 |
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1078 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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1079 { |
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1080 Stop(); |
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1081 filter_ = &filter; |
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1082 } |
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1083 |
|
1645
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1084 |
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1085 void MongooseServer::SetHttpExceptionFormatter(IHttpExceptionFormatter& formatter) |
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1086 { |
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1087 Stop(); |
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1088 exceptionFormatter_ = &formatter; |
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1089 } |
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1090 |
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1091 |
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1092 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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1093 { |
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1094 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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1095 } |
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1096 |
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1097 |
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1098 void MongooseServer::Register(IHttpHandler& handler) |
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1099 { |
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1100 Stop(); |
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1101 handler_ = &handler; |
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1102 } |
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1103 |
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1104 |
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1105 IHttpHandler& MongooseServer::GetHandler() const |
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1106 { |
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1107 if (handler_ == NULL) |
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1108 { |
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1109 throw OrthancException(ErrorCode_InternalError); |
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1110 } |
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1111 |
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1112 return *handler_; |
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1113 } |
| 0 | 1114 } |