Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 1571:3232f1c995a5
provide the origin of the requests to HTTP handlers
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 25 Aug 2015 11:04:19 +0200 |
| parents | 2bd2c280f9b5 |
| children | f8aae45011c9 |
| rev | line source |
|---|---|
| 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 | |
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38 #include "../Logging.h" |
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39 #include "../OrthancException.h" |
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40 #include "../ChunkedBuffer.h" |
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41 #include "HttpToolbox.h" |
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42 #include "mongoose.h" |
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43 |
| 0 | 44 #include <algorithm> |
| 45 #include <string.h> | |
| 46 #include <boost/lexical_cast.hpp> | |
| 47 #include <boost/algorithm/string.hpp> | |
| 48 #include <iostream> | |
| 49 #include <string.h> | |
| 50 #include <stdio.h> | |
| 51 #include <boost/thread.hpp> | |
| 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 } | |
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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 |
|
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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 { | |
|
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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 { | |
|
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528 method = HttpMethod_Get; |
| 414 | 529 } |
| 530 else if (!strcmp(request->request_method, "POST")) | |
| 531 { | |
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532 method = HttpMethod_Post; |
| 414 | 533 } |
| 534 else if (!strcmp(request->request_method, "DELETE")) | |
| 535 { | |
|
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536 method = HttpMethod_Delete; |
| 414 | 537 } |
| 538 else if (!strcmp(request->request_method, "PUT")) | |
| 539 { | |
|
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540 method = HttpMethod_Put; |
| 414 | 541 } |
| 542 else | |
| 543 { | |
| 544 return false; | |
| 545 } | |
| 546 | |
| 547 return true; | |
| 548 } | |
| 549 | |
| 550 | |
| 1517 | 551 static void ConfigureHttpCompression(HttpOutput& output, |
| 552 const IHttpHandler::Arguments& headers) | |
| 553 { | |
| 554 // Look if the client wishes HTTP compression | |
| 555 // https://en.wikipedia.org/wiki/HTTP_compression | |
| 556 IHttpHandler::Arguments::const_iterator it = headers.find("accept-encoding"); | |
| 557 if (it != headers.end()) | |
| 558 { | |
| 559 std::vector<std::string> encodings; | |
| 560 Toolbox::TokenizeString(encodings, it->second, ','); | |
| 561 | |
| 562 for (size_t i = 0; i < encodings.size(); i++) | |
| 563 { | |
| 564 std::string s = Toolbox::StripSpaces(encodings[i]); | |
| 565 | |
| 566 if (s == "deflate") | |
| 567 { | |
| 568 output.SetDeflateAllowed(true); | |
| 569 } | |
| 570 else if (s == "gzip") | |
| 571 { | |
| 572 output.SetGzipAllowed(true); | |
| 573 } | |
| 574 } | |
| 575 } | |
| 576 } | |
| 577 | |
| 578 | |
|
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579 static void InternalCallback(struct mg_connection *connection, |
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580 const struct mg_request_info *request) |
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581 { |
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582 MongooseServer* that = reinterpret_cast<MongooseServer*>(request->user_data); |
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583 |
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584 MongooseOutputStream stream(connection); |
|
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585 HttpOutput output(stream, that->IsKeepAliveEnabled()); |
| 0 | 586 |
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587 // Check remote calls |
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588 if (!that->IsRemoteAccessAllowed() && |
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589 request->remote_ip != LOCALHOST) |
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590 { |
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591 output.SendUnauthorized(ORTHANC_REALM); |
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592 return; |
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593 } |
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594 |
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595 |
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596 // Extract the HTTP headers |
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597 IHttpHandler::Arguments headers; |
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598 for (int i = 0; i < request->num_headers; i++) |
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599 { |
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600 std::string name = request->http_headers[i].name; |
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601 std::transform(name.begin(), name.end(), name.begin(), ::tolower); |
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602 headers.insert(std::make_pair(name, request->http_headers[i].value)); |
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603 } |
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604 |
| 1517 | 605 if (that->IsHttpCompressionEnabled()) |
| 606 { | |
| 607 ConfigureHttpCompression(output, headers); | |
| 608 } | |
| 609 | |
|
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610 |
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611 // Extract the GET arguments |
|
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612 IHttpHandler::GetArguments argumentsGET; |
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613 if (!strcmp(request->request_method, "GET")) |
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614 { |
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615 HttpToolbox::ParseGetArguments(argumentsGET, request->query_string); |
|
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616 } |
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617 |
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618 |
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619 // Compute the HTTP method, taking method faking into consideration |
|
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620 HttpMethod method = HttpMethod_Get; |
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621 if (!ExtractMethod(method, request, headers, argumentsGET)) |
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622 { |
|
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623 output.SendStatus(HttpStatus_400_BadRequest); |
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624 return; |
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625 } |
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626 |
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627 |
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628 // Authenticate this connection |
|
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629 if (that->IsAuthenticationEnabled() && !IsAccessGranted(*that, headers)) |
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630 { |
|
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631 output.SendUnauthorized(ORTHANC_REALM); |
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632 return; |
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633 } |
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634 |
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635 |
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636 // Apply the filter, if it is installed |
|
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|
637 char remoteIp[24]; |
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638 sprintf(remoteIp, "%d.%d.%d.%d", |
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639 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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640 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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641 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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|
642 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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643 |
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644 std::string username = GetAuthenticatedUsername(headers); |
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645 |
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646 const IIncomingHttpRequestFilter *filter = that->GetIncomingHttpRequestFilter(); |
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647 if (filter != NULL) |
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648 { |
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649 if (!filter->IsAllowed(method, request->uri, remoteIp, username.c_str())) |
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|
650 { |
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651 output.SendUnauthorized(ORTHANC_REALM); |
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652 return; |
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653 } |
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654 } |
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655 |
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656 |
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657 // Extract the body of the request for PUT and POST |
|
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658 |
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659 // TODO Avoid unneccessary memcopy of the body |
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660 |
|
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|
661 std::string body; |
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662 if (method == HttpMethod_Post || |
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|
663 method == HttpMethod_Put) |
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|
664 { |
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|
665 PostDataStatus status; |
|
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666 |
|
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changeset
|
667 IHttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
|
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668 if (ct == headers.end()) |
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|
669 { |
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|
670 // No content-type specified. Assume no multi-part content occurs at this point. |
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671 status = ReadBody(body, connection, headers); |
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672 } |
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673 else |
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|
674 { |
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675 std::string contentType = ct->second; |
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676 if (contentType.size() >= multipartLength && |
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677 !memcmp(contentType.c_str(), multipart, multipartLength)) |
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|
678 { |
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679 status = ParseMultipartPost(body, connection, headers, contentType, that->GetChunkStore()); |
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680 } |
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681 else |
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|
682 { |
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683 status = ReadBody(body, connection, headers); |
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684 } |
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685 } |
|
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686 |
|
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|
687 switch (status) |
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688 { |
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689 case PostDataStatus_NoLength: |
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690 output.SendStatus(HttpStatus_411_LengthRequired); |
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|
691 return; |
|
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|
692 |
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693 case PostDataStatus_Failure: |
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694 output.SendStatus(HttpStatus_400_BadRequest); |
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|
695 return; |
|
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|
696 |
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|
697 case PostDataStatus_Pending: |
| 1521 | 698 output.AnswerEmpty(); |
|
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|
699 return; |
|
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|
700 |
|
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|
701 default: |
|
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|
702 break; |
|
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|
703 } |
|
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704 } |
|
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changeset
|
705 |
|
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|
706 |
|
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|
707 // Decompose the URI into its components |
|
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|
708 UriComponents uri; |
|
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|
709 try |
|
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|
710 { |
|
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|
711 Toolbox::SplitUriComponents(uri, request->uri); |
|
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|
712 } |
|
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|
713 catch (OrthancException) |
|
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|
714 { |
|
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
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|
715 output.SendStatus(HttpStatus_400_BadRequest); |
|
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|
716 return; |
|
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|
717 } |
|
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|
718 |
|
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changeset
|
719 |
|
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|
720 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
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|
721 |
|
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|
722 |
|
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changeset
|
723 try |
|
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|
724 { |
| 1569 | 725 bool found = false; |
| 726 | |
| 727 try | |
| 1570 | 728 { |
| 729 if (that->HasHandler()) | |
| 730 { | |
|
1571
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|
731 found = that->GetHandler().Handle(output, RequestOrigin_Http, remoteIp, username.c_str(), |
|
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|
732 method, uri, headers, argumentsGET, body.c_str(), body.size()); |
| 1570 | 733 } |
| 734 } | |
| 1569 | 735 catch (boost::bad_lexical_cast&) |
| 1570 | 736 { |
| 737 throw OrthancException(ErrorCode_BadParameterType); | |
| 738 } | |
| 1569 | 739 catch (std::runtime_error&) |
| 1570 | 740 { |
| 741 // Presumably an error while parsing the JSON body | |
| 742 throw OrthancException(ErrorCode_BadRequest); | |
| 743 } | |
| 1569 | 744 |
| 745 if (!found) | |
| 1570 | 746 { |
| 747 throw OrthancException(ErrorCode_UnknownResource); | |
| 748 } | |
|
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749 } |
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|
750 catch (OrthancException& e) |
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|
751 { |
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|
752 // Using this candidate handler results in an exception |
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|
753 LOG(ERROR) << "Exception in the HTTP handler: " << e.What(); |
|
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|
754 |
| 1569 | 755 HttpStatus status; |
| 756 | |
|
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|
757 try |
|
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|
758 { |
|
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changeset
|
759 switch (e.GetErrorCode()) |
|
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
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diff
changeset
|
760 { |
| 1570 | 761 case ErrorCode_InexistentFile: |
| 762 case ErrorCode_InexistentItem: | |
| 763 case ErrorCode_UnknownResource: | |
| 764 status = HttpStatus_404_NotFound; | |
| 765 break; | |
|
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
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changeset
|
766 |
| 1570 | 767 case ErrorCode_BadRequest: |
| 768 case ErrorCode_UriSyntax: | |
| 769 case ErrorCode_BadParameterType: | |
| 1569 | 770 status = HttpStatus_400_BadRequest; |
|
1443
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changeset
|
771 break; |
|
1113
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Refactoring of HttpOutput ("Content-Length" header is now always sent)
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changeset
|
772 |
|
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refactoring: OrthancHttpHandler
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changeset
|
773 default: |
| 1569 | 774 status = HttpStatus_500_InternalServerError; |
| 775 break; | |
| 1438 | 776 } |
| 1569 | 777 |
| 778 Json::Value message = Json::objectValue; | |
| 779 message["HttpStatus"] = status; | |
| 780 message["HttpError"] = EnumerationToString(status); | |
| 781 message["OrthancStatus"] = e.GetErrorCode(); | |
| 782 message["OrthancError"] = e.GetDescription(e.GetErrorCode()); | |
| 783 message["Message"] = e.What(); | |
| 784 message["Uri"] = request->uri; | |
| 785 message["Method"] = EnumerationToString(method); | |
| 786 std::string s = message.toStyledString(); | |
| 787 output.SendStatus(status, s); | |
|
1443
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788 } |
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789 catch (OrthancException&) |
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790 { |
| 1569 | 791 // An exception here reflects the fact that the status code |
| 792 // was already set by the HTTP handler. | |
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793 } |
|
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794 |
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795 return; |
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796 } |
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797 } |
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798 |
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799 |
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800 #if MONGOOSE_USE_CALLBACKS == 0 |
| 0 | 801 static void* Callback(enum mg_event event, |
| 802 struct mg_connection *connection, | |
| 803 const struct mg_request_info *request) | |
| 804 { | |
| 805 if (event == MG_NEW_REQUEST) | |
| 806 { | |
|
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807 InternalCallback(connection, request); |
| 0 | 808 |
| 809 // Mark as processed | |
| 810 return (void*) ""; | |
|
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811 } |
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812 else |
| 0 | 813 { |
| 814 return NULL; | |
| 815 } | |
| 816 } | |
| 817 | |
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818 #elif MONGOOSE_USE_CALLBACKS == 1 |
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819 static int Callback(struct mg_connection *connection) |
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820 { |
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821 struct mg_request_info *request = mg_get_request_info(connection); |
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822 |
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823 InternalCallback(connection, request); |
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824 |
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825 return 1; // Do not let Mongoose handle the request by itself |
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826 } |
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827 |
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828 #else |
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829 #error Please set MONGOOSE_USE_CALLBACKS |
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830 #endif |
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831 |
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832 |
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833 |
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834 |
| 0 | 835 |
| 836 bool MongooseServer::IsRunning() const | |
| 837 { | |
| 838 return (pimpl_->context_ != NULL); | |
| 839 } | |
| 840 | |
| 841 | |
| 842 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
| 843 { | |
| 844 pimpl_->context_ = NULL; | |
|
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845 handler_ = NULL; |
|
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846 remoteAllowed_ = false; |
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847 authentication_ = false; |
| 23 | 848 ssl_ = false; |
| 0 | 849 port_ = 8000; |
| 417 | 850 filter_ = NULL; |
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851 keepAlive_ = false; |
| 1517 | 852 httpCompression_ = true; |
|
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853 |
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854 #if ORTHANC_SSL_ENABLED == 1 |
| 749 | 855 // Check for the Heartbleed exploit |
|
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856 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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857 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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858 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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859 { |
| 749 | 860 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
|
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861 } |
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862 #endif |
| 0 | 863 } |
| 864 | |
| 865 | |
| 866 MongooseServer::~MongooseServer() | |
| 867 { | |
| 868 Stop(); | |
| 869 } | |
| 870 | |
| 871 | |
| 128 | 872 void MongooseServer::SetPortNumber(uint16_t port) |
| 0 | 873 { |
| 874 Stop(); | |
| 875 port_ = port; | |
| 876 } | |
| 877 | |
| 878 void MongooseServer::Start() | |
| 879 { | |
| 880 if (!IsRunning()) | |
| 881 { | |
| 882 std::string port = boost::lexical_cast<std::string>(port_); | |
| 883 | |
| 23 | 884 if (ssl_) |
| 885 { | |
| 886 port += "s"; | |
| 887 } | |
| 888 | |
| 0 | 889 const char *options[] = { |
|
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890 // Set the TCP port for the HTTP server |
| 0 | 891 "listening_ports", port.c_str(), |
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892 |
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893 // Optimization reported by Chris Hafey |
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894 // https://groups.google.com/d/msg/orthanc-users/CKueKX0pJ9E/_UCbl8T-VjIJ |
|
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|
895 "enable_keep_alive", (keepAlive_ ? "yes" : "no"), |
|
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896 |
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897 // Set the SSL certificate, if any. This must be the last option. |
| 23 | 898 ssl_ ? "ssl_certificate" : NULL, |
| 899 certificate_.c_str(), | |
| 0 | 900 NULL |
| 901 }; | |
| 902 | |
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903 #if MONGOOSE_USE_CALLBACKS == 0 |
| 0 | 904 pimpl_->context_ = mg_start(&Callback, this, options); |
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905 |
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906 #elif MONGOOSE_USE_CALLBACKS == 1 |
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907 struct mg_callbacks callbacks; |
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908 memset(&callbacks, 0, sizeof(callbacks)); |
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909 callbacks.begin_request = Callback; |
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910 pimpl_->context_ = mg_start(&callbacks, this, options); |
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911 |
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912 #else |
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913 #error Please set MONGOOSE_USE_CALLBACKS |
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|
914 #endif |
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|
915 |
| 0 | 916 if (!pimpl_->context_) |
| 917 { | |
| 59 | 918 throw OrthancException("Unable to launch the Mongoose server"); |
| 0 | 919 } |
| 920 } | |
| 921 } | |
| 922 | |
| 923 void MongooseServer::Stop() | |
| 924 { | |
| 925 if (IsRunning()) | |
| 926 { | |
| 927 mg_stop(pimpl_->context_); | |
| 928 pimpl_->context_ = NULL; | |
| 929 } | |
| 930 } | |
| 931 | |
| 932 | |
|
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933 void MongooseServer::ClearUsers() |
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934 { |
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935 Stop(); |
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936 registeredUsers_.clear(); |
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937 } |
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938 |
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939 |
| 23 | 940 void MongooseServer::RegisterUser(const char* username, |
| 941 const char* password) | |
| 942 { | |
| 943 Stop(); | |
| 24 | 944 |
| 945 std::string tag = std::string(username) + ":" + std::string(password); | |
|
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946 std::string encoded; |
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947 Toolbox::EncodeBase64(encoded, tag); |
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|
948 registeredUsers_.insert(encoded); |
| 23 | 949 } |
| 950 | |
| 951 void MongooseServer::SetSslEnabled(bool enabled) | |
| 952 { | |
| 953 Stop(); | |
| 954 | |
| 59 | 955 #if ORTHANC_SSL_ENABLED == 0 |
| 23 | 956 if (enabled) |
| 957 { | |
| 59 | 958 throw OrthancException("Orthanc has been built without SSL support"); |
| 23 | 959 } |
| 960 else | |
| 961 { | |
| 962 ssl_ = false; | |
| 963 } | |
| 964 #else | |
| 965 ssl_ = enabled; | |
| 966 #endif | |
| 967 } | |
| 968 | |
|
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969 |
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|
970 void MongooseServer::SetKeepAliveEnabled(bool enabled) |
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971 { |
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972 Stop(); |
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973 keepAlive_ = enabled; |
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974 LOG(WARNING) << "HTTP keep alive is " << (enabled ? "enabled" : "disabled"); |
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975 } |
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976 |
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|
977 |
|
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978 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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979 { |
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980 Stop(); |
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981 authentication_ = enabled; |
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982 } |
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983 |
| 23 | 984 void MongooseServer::SetSslCertificate(const char* path) |
| 985 { | |
| 986 Stop(); | |
| 987 certificate_ = path; | |
| 988 } | |
|
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989 |
|
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|
990 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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991 { |
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|
992 Stop(); |
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993 remoteAllowed_ = allowed; |
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|
994 } |
|
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|
995 |
| 1517 | 996 void MongooseServer::SetHttpCompressionEnabled(bool enabled) |
| 997 { | |
| 998 Stop(); | |
| 999 httpCompression_ = enabled; | |
| 1518 | 1000 LOG(WARNING) << "HTTP compression is " << (enabled ? "enabled" : "disabled"); |
| 1517 | 1001 } |
| 1002 | |
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1003 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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1004 { |
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1005 Stop(); |
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1006 filter_ = &filter; |
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1007 } |
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1008 |
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1009 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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1010 { |
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1011 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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1012 } |
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1013 |
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1014 |
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1015 void MongooseServer::Register(IHttpHandler& handler) |
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1016 { |
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1017 Stop(); |
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1018 handler_ = &handler; |
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1019 } |
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1020 |
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1021 |
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1022 IHttpHandler& MongooseServer::GetHandler() const |
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1023 { |
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1024 if (handler_ == NULL) |
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1025 { |
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1026 throw OrthancException(ErrorCode_InternalError); |
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1027 } |
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1028 |
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1029 return *handler_; |
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1030 } |
| 0 | 1031 } |