Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 908:e078ea944089 plugins
refactoring HttpOutput
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 19 Jun 2014 17:47:39 +0200 |
| parents | 7d88f3f4a3b3 |
| children | ef71057d8b26 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 // http://en.highscore.de/cpp/boost/stringhandling.html | |
| 34 | |
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35 #include "../PrecompiledHeaders.h" |
| 0 | 36 #include "MongooseServer.h" |
| 37 | |
| 38 #include <algorithm> | |
| 39 #include <string.h> | |
| 40 #include <boost/lexical_cast.hpp> | |
| 41 #include <boost/algorithm/string.hpp> | |
| 42 #include <iostream> | |
| 43 #include <string.h> | |
| 44 #include <stdio.h> | |
| 45 #include <boost/thread.hpp> | |
| 108 | 46 #include <glog/logging.h> |
| 0 | 47 |
| 59 | 48 #include "../OrthancException.h" |
| 0 | 49 #include "../ChunkedBuffer.h" |
| 324 | 50 #include "HttpOutput.h" |
| 0 | 51 #include "mongoose.h" |
| 52 | |
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53 #if ORTHANC_SSL_ENABLED == 1 |
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54 #include <openssl/opensslv.h> |
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55 #endif |
| 0 | 56 |
| 59 | 57 #define ORTHANC_REALM "Orthanc Secure Area" |
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58 |
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59 static const long LOCALHOST = (127ll << 24) + 1ll; |
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60 |
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61 |
| 59 | 62 namespace Orthanc |
| 0 | 63 { |
| 64 static const char multipart[] = "multipart/form-data; boundary="; | |
| 65 static unsigned int multipartLength = sizeof(multipart) / sizeof(char) - 1; | |
| 66 | |
| 67 | |
| 68 namespace | |
| 69 { | |
| 70 // Anonymous namespace to avoid clashes between compilation modules | |
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71 class MongooseOutputStream : public HttpOutputStream |
| 0 | 72 { |
| 73 private: | |
| 74 struct mg_connection* connection_; | |
| 75 | |
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76 protected: |
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77 virtual void SendBody(const void* buffer, size_t length) |
| 0 | 78 { |
| 217 | 79 if (length > 0) |
| 80 { | |
| 81 mg_write(connection_, buffer, length); | |
| 82 } | |
| 0 | 83 } |
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84 |
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85 virtual void SendHeader(const void* buffer, size_t length) |
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86 { |
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87 SendBody(buffer, length); |
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88 } |
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89 |
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90 public: |
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91 MongooseOutputStream(struct mg_connection* connection) : connection_(connection) |
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92 { |
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93 } |
| 0 | 94 }; |
| 95 | |
| 96 | |
| 97 enum PostDataStatus | |
| 98 { | |
| 99 PostDataStatus_Success, | |
| 100 PostDataStatus_NoLength, | |
| 101 PostDataStatus_Pending, | |
| 102 PostDataStatus_Failure | |
| 103 }; | |
| 104 } | |
| 105 | |
| 106 | |
| 107 // TODO Move this to external file | |
| 108 | |
| 109 | |
| 110 class ChunkedFile : public ChunkedBuffer | |
| 111 { | |
| 112 private: | |
| 113 std::string filename_; | |
| 114 | |
| 115 public: | |
| 116 ChunkedFile(const std::string& filename) : | |
| 117 filename_(filename) | |
| 118 { | |
| 119 } | |
| 120 | |
| 121 const std::string& GetFilename() const | |
| 122 { | |
| 123 return filename_; | |
| 124 } | |
| 125 }; | |
| 126 | |
| 127 | |
| 128 | |
| 129 class ChunkStore | |
| 130 { | |
| 131 private: | |
| 132 typedef std::list<ChunkedFile*> Content; | |
| 133 Content content_; | |
| 134 unsigned int numPlaces_; | |
| 135 | |
| 136 boost::mutex mutex_; | |
| 137 std::set<std::string> discardedFiles_; | |
| 138 | |
| 139 void Clear() | |
| 140 { | |
| 141 for (Content::iterator it = content_.begin(); | |
| 656 | 142 it != content_.end(); ++it) |
| 0 | 143 { |
| 144 delete *it; | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 Content::iterator Find(const std::string& filename) | |
| 149 { | |
| 150 for (Content::iterator it = content_.begin(); | |
| 656 | 151 it != content_.end(); ++it) |
| 0 | 152 { |
| 153 if ((*it)->GetFilename() == filename) | |
| 154 { | |
| 155 return it; | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 return content_.end(); | |
| 160 } | |
| 161 | |
| 162 void Remove(const std::string& filename) | |
| 163 { | |
| 164 Content::iterator it = Find(filename); | |
| 165 if (it != content_.end()) | |
| 166 { | |
| 167 delete *it; | |
| 168 content_.erase(it); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 public: | |
| 173 ChunkStore() | |
| 174 { | |
| 175 numPlaces_ = 10; | |
| 176 } | |
| 177 | |
| 178 ~ChunkStore() | |
| 179 { | |
| 180 Clear(); | |
| 181 } | |
| 182 | |
| 183 PostDataStatus Store(std::string& completed, | |
| 184 const char* chunkData, | |
| 185 size_t chunkSize, | |
| 186 const std::string& filename, | |
| 187 size_t filesize) | |
| 188 { | |
| 189 boost::mutex::scoped_lock lock(mutex_); | |
| 190 | |
| 191 std::set<std::string>::iterator wasDiscarded = discardedFiles_.find(filename); | |
| 192 if (wasDiscarded != discardedFiles_.end()) | |
| 193 { | |
| 194 discardedFiles_.erase(wasDiscarded); | |
| 195 return PostDataStatus_Failure; | |
| 196 } | |
| 197 | |
| 198 ChunkedFile* f; | |
| 199 Content::iterator it = Find(filename); | |
| 200 if (it == content_.end()) | |
| 201 { | |
| 202 f = new ChunkedFile(filename); | |
| 203 | |
| 204 // Make some room | |
| 205 if (content_.size() >= numPlaces_) | |
| 206 { | |
| 207 discardedFiles_.insert(content_.front()->GetFilename()); | |
| 208 delete content_.front(); | |
| 209 content_.pop_front(); | |
| 210 } | |
| 211 | |
| 212 content_.push_back(f); | |
| 213 } | |
| 214 else | |
| 215 { | |
| 216 f = *it; | |
| 217 } | |
| 218 | |
| 219 f->AddChunk(chunkData, chunkSize); | |
| 220 | |
| 221 if (f->GetNumBytes() > filesize) | |
| 222 { | |
| 223 Remove(filename); | |
| 224 } | |
| 225 else if (f->GetNumBytes() == filesize) | |
| 226 { | |
| 227 f->Flatten(completed); | |
| 228 Remove(filename); | |
| 229 return PostDataStatus_Success; | |
| 230 } | |
| 231 | |
| 232 return PostDataStatus_Pending; | |
| 233 } | |
| 234 | |
| 235 /*void Print() | |
| 236 { | |
| 237 boost::mutex::scoped_lock lock(mutex_); | |
| 238 | |
| 239 printf("ChunkStore status:\n"); | |
| 240 for (Content::const_iterator i = content_.begin(); | |
| 241 i != content_.end(); i++) | |
| 242 { | |
| 243 printf(" [%s]: %d\n", (*i)->GetFilename().c_str(), (*i)->GetNumBytes()); | |
| 244 } | |
| 245 printf("-----\n"); | |
| 246 }*/ | |
| 247 }; | |
| 248 | |
| 249 | |
| 250 struct MongooseServer::PImpl | |
| 251 { | |
| 252 struct mg_context *context_; | |
| 253 ChunkStore chunkStore_; | |
| 254 }; | |
| 255 | |
| 256 | |
| 257 ChunkStore& MongooseServer::GetChunkStore() | |
| 258 { | |
| 259 return pimpl_->chunkStore_; | |
| 260 } | |
| 261 | |
| 262 | |
| 263 | |
| 416 | 264 static PostDataStatus ReadBody(std::string& postData, |
| 265 struct mg_connection *connection, | |
| 266 const HttpHandler::Arguments& headers) | |
| 0 | 267 { |
| 268 HttpHandler::Arguments::const_iterator cs = headers.find("content-length"); | |
| 269 if (cs == headers.end()) | |
| 270 { | |
| 271 return PostDataStatus_NoLength; | |
| 272 } | |
| 273 | |
| 274 int length; | |
| 275 try | |
| 276 { | |
| 277 length = boost::lexical_cast<int>(cs->second); | |
| 278 } | |
| 279 catch (boost::bad_lexical_cast) | |
| 280 { | |
| 281 return PostDataStatus_NoLength; | |
| 282 } | |
| 283 | |
| 284 if (length < 0) | |
| 285 { | |
| 286 length = 0; | |
| 287 } | |
| 288 | |
| 289 postData.resize(length); | |
| 290 | |
| 291 size_t pos = 0; | |
| 292 while (length > 0) | |
| 293 { | |
| 294 int r = mg_read(connection, &postData[pos], length); | |
| 295 if (r <= 0) | |
| 296 { | |
| 297 return PostDataStatus_Failure; | |
| 298 } | |
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299 |
| 8 | 300 assert(r <= length); |
| 0 | 301 length -= r; |
| 302 pos += r; | |
| 303 } | |
| 304 | |
| 305 return PostDataStatus_Success; | |
| 306 } | |
| 307 | |
| 308 | |
| 309 | |
| 310 static PostDataStatus ParseMultipartPost(std::string &completedFile, | |
| 311 struct mg_connection *connection, | |
| 312 const HttpHandler::Arguments& headers, | |
| 313 const std::string& contentType, | |
| 314 ChunkStore& chunkStore) | |
| 315 { | |
| 316 std::string boundary = "--" + contentType.substr(multipartLength); | |
| 317 | |
| 318 std::string postData; | |
| 416 | 319 PostDataStatus status = ReadBody(postData, connection, headers); |
| 0 | 320 |
| 321 if (status != PostDataStatus_Success) | |
| 322 { | |
| 323 return status; | |
| 324 } | |
| 325 | |
| 326 /*for (HttpHandler::Arguments::const_iterator i = headers.begin(); i != headers.end(); i++) | |
| 327 { | |
| 328 std::cout << "Header [" << i->first << "] = " << i->second << "\n"; | |
| 329 } | |
| 330 printf("CHUNK\n");*/ | |
| 331 | |
| 332 typedef HttpHandler::Arguments::const_iterator ArgumentIterator; | |
| 333 | |
| 334 ArgumentIterator requestedWith = headers.find("x-requested-with"); | |
| 335 ArgumentIterator fileName = headers.find("x-file-name"); | |
| 336 ArgumentIterator fileSizeStr = headers.find("x-file-size"); | |
| 337 | |
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338 if (requestedWith != headers.end() && |
| 0 | 339 requestedWith->second != "XMLHttpRequest") |
| 340 { | |
| 341 return PostDataStatus_Failure; | |
| 342 } | |
| 343 | |
| 344 size_t fileSize = 0; | |
| 345 if (fileSizeStr != headers.end()) | |
| 346 { | |
| 347 try | |
| 348 { | |
| 349 fileSize = boost::lexical_cast<size_t>(fileSizeStr->second); | |
| 350 } | |
| 351 catch (boost::bad_lexical_cast) | |
| 352 { | |
| 353 return PostDataStatus_Failure; | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 typedef boost::find_iterator<std::string::iterator> FindIterator; | |
| 10 | 358 typedef boost::iterator_range<char*> Range; |
| 0 | 359 |
| 360 //chunkStore.Print(); | |
| 361 | |
| 362 try | |
| 363 { | |
| 364 FindIterator last; | |
| 365 for (FindIterator it = | |
| 366 make_find_iterator(postData, boost::first_finder(boundary)); | |
| 367 it!=FindIterator(); | |
| 368 ++it) | |
| 369 { | |
| 370 if (last != FindIterator()) | |
| 371 { | |
| 10 | 372 Range part(&last->back(), &it->front()); |
| 0 | 373 Range content = boost::find_first(part, "\r\n\r\n"); |
| 345 | 374 if (/*content != Range()*/!content.empty()) |
| 0 | 375 { |
| 376 Range c(&content.back() + 1, &it->front() - 2); | |
| 377 size_t chunkSize = c.size(); | |
| 378 | |
| 379 if (chunkSize > 0) | |
| 380 { | |
| 381 const char* chunkData = &c.front(); | |
| 382 | |
| 383 if (fileName == headers.end()) | |
| 384 { | |
| 385 // This file is stored in a single chunk | |
| 386 completedFile.resize(chunkSize); | |
| 387 if (chunkSize > 0) | |
| 388 { | |
| 389 memcpy(&completedFile[0], chunkData, chunkSize); | |
| 390 } | |
| 391 return PostDataStatus_Success; | |
| 392 } | |
| 393 else | |
| 394 { | |
| 395 return chunkStore.Store(completedFile, chunkData, chunkSize, fileName->second, fileSize); | |
| 396 } | |
| 397 } | |
| 10 | 398 } |
| 0 | 399 } |
| 400 | |
| 401 last = it; | |
| 402 } | |
| 403 } | |
| 404 catch (std::length_error) | |
| 405 { | |
| 406 return PostDataStatus_Failure; | |
| 407 } | |
| 408 | |
| 409 return PostDataStatus_Pending; | |
| 410 } | |
| 411 | |
| 412 | |
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413 static bool Authorize(const MongooseServer& that, |
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414 const HttpHandler::Arguments& headers, |
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415 HttpOutput& output) |
| 23 | 416 { |
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417 bool granted = false; |
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418 |
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419 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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420 if (auth != headers.end()) |
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421 { |
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422 std::string s = auth->second; |
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423 if (s.substr(0, 6) == "Basic ") |
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424 { |
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425 std::string b64 = s.substr(6); |
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426 granted = that.IsValidBasicHttpAuthentication(b64); |
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427 } |
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428 } |
| 23 | 429 |
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430 if (!granted) |
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431 { |
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432 output.SendUnauthorized(ORTHANC_REALM); |
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433 return false; |
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434 } |
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435 else |
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436 { |
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437 return true; |
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438 } |
| 23 | 439 } |
| 440 | |
| 441 | |
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442 static std::string GetAuthenticatedUsername(const HttpHandler::Arguments& headers) |
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443 { |
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444 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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445 |
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446 if (auth == headers.end()) |
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447 { |
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448 return ""; |
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449 } |
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450 |
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451 std::string s = auth->second; |
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452 if (s.substr(0, 6) != "Basic ") |
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453 { |
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454 return ""; |
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455 } |
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456 |
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457 std::string b64 = s.substr(6); |
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458 std::string decoded; |
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459 Toolbox::DecodeBase64(decoded, b64); |
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460 size_t semicolons = decoded.find(':'); |
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461 |
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462 if (semicolons == std::string::npos) |
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463 { |
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464 // Bad-formatted request |
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465 return ""; |
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466 } |
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467 else |
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468 { |
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469 return decoded.substr(0, semicolons); |
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470 } |
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471 } |
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472 |
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473 |
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474 static bool ExtractMethod(HttpMethod& method, |
| 414 | 475 const struct mg_request_info *request, |
| 476 const HttpHandler::Arguments& headers, | |
| 477 const HttpHandler::Arguments& argumentsGET) | |
| 478 { | |
| 479 std::string overriden; | |
| 480 | |
| 481 // Check whether some PUT/DELETE faking is done | |
| 482 | |
| 483 // 1. Faking with Google's approach | |
| 484 HttpHandler::Arguments::const_iterator methodOverride = | |
| 485 headers.find("x-http-method-override"); | |
| 486 | |
| 487 if (methodOverride != headers.end()) | |
| 488 { | |
| 489 overriden = methodOverride->second; | |
| 490 } | |
| 491 else if (!strcmp(request->request_method, "GET")) | |
| 492 { | |
| 493 // 2. Faking with Ruby on Rail's approach | |
| 494 // GET /my/resource?_method=delete <=> DELETE /my/resource | |
| 495 methodOverride = argumentsGET.find("_method"); | |
| 496 if (methodOverride != argumentsGET.end()) | |
| 497 { | |
| 498 overriden = methodOverride->second; | |
| 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 | |
| 0 | 551 |
| 552 static void* Callback(enum mg_event event, | |
| 553 struct mg_connection *connection, | |
| 554 const struct mg_request_info *request) | |
| 555 { | |
| 556 if (event == MG_NEW_REQUEST) | |
| 557 { | |
| 656 | 558 MongooseServer* that = reinterpret_cast<MongooseServer*>(request->user_data); |
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559 MongooseOutputStream stream(connection); |
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560 HttpOutput output(stream); |
|
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561 |
| 414 | 562 // Check remote calls |
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563 if (!that->IsRemoteAccessAllowed() && |
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564 request->remote_ip != LOCALHOST) |
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565 { |
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566 output.SendUnauthorized(ORTHANC_REALM); |
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567 return (void*) ""; |
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568 } |
| 0 | 569 |
| 570 | |
| 414 | 571 // Extract the HTTP headers |
| 572 HttpHandler::Arguments headers; | |
| 0 | 573 for (int i = 0; i < request->num_headers; i++) |
| 574 { | |
| 575 std::string name = request->http_headers[i].name; | |
| 576 std::transform(name.begin(), name.end(), name.begin(), ::tolower); | |
| 577 headers.insert(std::make_pair(name, request->http_headers[i].value)); | |
| 578 } | |
| 579 | |
| 414 | 580 |
| 581 // Extract the GET arguments | |
| 582 HttpHandler::Arguments argumentsGET; | |
| 583 if (!strcmp(request->request_method, "GET")) | |
| 584 { | |
| 585 HttpHandler::ParseGetQuery(argumentsGET, request->query_string); | |
| 586 } | |
| 587 | |
| 588 | |
| 589 // Compute the HTTP method, taking method faking into consideration | |
|
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590 HttpMethod method; |
| 414 | 591 if (!ExtractMethod(method, request, headers, argumentsGET)) |
| 592 { | |
|
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593 output.SendHeader(HttpStatus_400_BadRequest); |
| 414 | 594 return (void*) ""; |
| 595 } | |
| 596 | |
| 597 | |
| 23 | 598 // Authenticate this connection |
|
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599 if (that->IsAuthenticationEnabled() && |
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600 !Authorize(*that, headers, output)) |
| 23 | 601 { |
| 602 return (void*) ""; | |
| 603 } | |
| 604 | |
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605 |
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606 // Apply the filter, if it is installed |
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607 const IIncomingHttpRequestFilter *filter = that->GetIncomingHttpRequestFilter(); |
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608 if (filter != NULL) |
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609 { |
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610 std::string username = GetAuthenticatedUsername(headers); |
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611 |
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612 char remoteIp[24]; |
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613 sprintf(remoteIp, "%d.%d.%d.%d", |
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614 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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615 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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616 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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617 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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618 |
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619 if (!filter->IsAllowed(method, request->uri, remoteIp, username.c_str())) |
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620 { |
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621 output.SendUnauthorized(ORTHANC_REALM); |
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622 return (void*) ""; |
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623 } |
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624 } |
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625 |
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626 |
| 414 | 627 // Extract the body of the request for PUT and POST |
| 628 std::string body; | |
|
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629 if (method == HttpMethod_Post || |
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630 method == HttpMethod_Put) |
| 0 | 631 { |
| 416 | 632 PostDataStatus status; |
| 633 | |
| 0 | 634 HttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
| 635 if (ct == headers.end()) | |
| 636 { | |
| 416 | 637 // No content-type specified. Assume no multi-part content occurs at this point. |
| 638 status = ReadBody(body, connection, headers); | |
| 0 | 639 } |
| 640 else | |
| 641 { | |
| 416 | 642 std::string contentType = ct->second; |
| 643 if (contentType.size() >= multipartLength && | |
| 644 !memcmp(contentType.c_str(), multipart, multipartLength)) | |
| 645 { | |
| 646 status = ParseMultipartPost(body, connection, headers, contentType, that->GetChunkStore()); | |
| 647 } | |
| 648 else | |
| 649 { | |
| 650 status = ReadBody(body, connection, headers); | |
| 651 } | |
| 0 | 652 } |
| 653 | |
| 654 switch (status) | |
| 655 { | |
| 416 | 656 case PostDataStatus_NoLength: |
|
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657 output.SendHeader(HttpStatus_411_LengthRequired); |
| 416 | 658 return (void*) ""; |
| 0 | 659 |
| 416 | 660 case PostDataStatus_Failure: |
|
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661 output.SendHeader(HttpStatus_400_BadRequest); |
| 416 | 662 return (void*) ""; |
| 0 | 663 |
| 416 | 664 case PostDataStatus_Pending: |
| 665 output.AnswerBufferWithContentType(NULL, 0, ""); | |
| 666 return (void*) ""; | |
| 0 | 667 |
| 416 | 668 default: |
| 669 break; | |
| 0 | 670 } |
| 671 } | |
| 672 | |
| 414 | 673 |
| 896 | 674 // Decompose the URI into its components |
| 0 | 675 UriComponents uri; |
| 415 | 676 try |
| 677 { | |
| 678 Toolbox::SplitUriComponents(uri, request->uri); | |
| 679 } | |
| 680 catch (OrthancException) | |
| 681 { | |
|
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682 output.SendHeader(HttpStatus_400_BadRequest); |
| 415 | 683 return (void*) ""; |
| 684 } | |
| 685 | |
| 0 | 686 |
|
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687 // Loop over the candidate handlers for this URI |
| 896 | 688 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
|
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689 bool found = false; |
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690 |
|
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691 for (MongooseServer::Handlers::const_iterator it = |
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692 that->GetHandlers().begin(); it != that->GetHandlers().end() && !found; ++it) |
| 0 | 693 { |
| 694 try | |
| 695 { | |
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696 found = (*it)->Handle(output, method, uri, headers, argumentsGET, body); |
| 0 | 697 } |
| 59 | 698 catch (OrthancException& e) |
| 0 | 699 { |
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700 // Using this candidate handler results in an exception |
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701 LOG(ERROR) << "Exception in the HTTP handler: " << e.What(); |
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702 return (void*) ""; |
| 0 | 703 } |
|
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704 catch (boost::bad_lexical_cast&) |
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705 { |
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706 LOG(ERROR) << "Exception in the HTTP handler: Bad lexical cast"; |
|
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707 return (void*) ""; |
| 333 | 708 } |
| 709 catch (std::runtime_error&) | |
| 710 { | |
|
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711 LOG(ERROR) << "Exception in the HTTP handler: Presumably a bad JSON request"; |
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712 return (void*) ""; |
|
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713 } |
| 0 | 714 } |
|
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715 |
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716 if (!found) |
| 0 | 717 { |
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718 output.SendHeader(HttpStatus_404_NotFound); |
| 0 | 719 } |
| 720 | |
| 721 // Mark as processed | |
| 722 return (void*) ""; | |
| 723 } | |
| 724 else | |
| 725 { | |
| 726 return NULL; | |
| 727 } | |
| 728 } | |
| 729 | |
| 730 | |
| 731 bool MongooseServer::IsRunning() const | |
| 732 { | |
| 733 return (pimpl_->context_ != NULL); | |
| 734 } | |
| 735 | |
| 736 | |
| 737 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
| 738 { | |
| 739 pimpl_->context_ = NULL; | |
|
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740 remoteAllowed_ = false; |
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741 authentication_ = false; |
| 23 | 742 ssl_ = false; |
| 0 | 743 port_ = 8000; |
| 417 | 744 filter_ = NULL; |
|
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745 |
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746 #if ORTHANC_SSL_ENABLED == 1 |
| 749 | 747 // Check for the Heartbleed exploit |
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748 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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749 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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750 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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751 { |
| 749 | 752 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
|
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753 } |
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754 #endif |
| 0 | 755 } |
| 756 | |
| 757 | |
| 758 MongooseServer::~MongooseServer() | |
| 759 { | |
| 760 Stop(); | |
| 761 ClearHandlers(); | |
| 762 } | |
| 763 | |
| 764 | |
| 128 | 765 void MongooseServer::SetPortNumber(uint16_t port) |
| 0 | 766 { |
| 767 Stop(); | |
| 768 port_ = port; | |
| 769 } | |
| 770 | |
| 771 void MongooseServer::Start() | |
| 772 { | |
| 773 if (!IsRunning()) | |
| 774 { | |
| 775 std::string port = boost::lexical_cast<std::string>(port_); | |
| 776 | |
| 23 | 777 if (ssl_) |
| 778 { | |
| 779 port += "s"; | |
| 780 } | |
| 781 | |
| 0 | 782 const char *options[] = { |
| 783 "listening_ports", port.c_str(), | |
| 23 | 784 ssl_ ? "ssl_certificate" : NULL, |
| 785 certificate_.c_str(), | |
| 0 | 786 NULL |
| 787 }; | |
| 788 | |
| 789 pimpl_->context_ = mg_start(&Callback, this, options); | |
| 790 if (!pimpl_->context_) | |
| 791 { | |
| 59 | 792 throw OrthancException("Unable to launch the Mongoose server"); |
| 0 | 793 } |
| 794 } | |
| 795 } | |
| 796 | |
| 797 void MongooseServer::Stop() | |
| 798 { | |
| 799 if (IsRunning()) | |
| 800 { | |
| 801 mg_stop(pimpl_->context_); | |
| 802 pimpl_->context_ = NULL; | |
| 803 } | |
| 804 } | |
| 805 | |
| 806 | |
| 899 | 807 void MongooseServer::RegisterHandler(HttpHandler& handler) |
| 0 | 808 { |
| 809 Stop(); | |
| 810 | |
| 899 | 811 handlers_.push_back(&handler); |
| 0 | 812 } |
| 813 | |
| 814 | |
| 815 void MongooseServer::ClearHandlers() | |
| 816 { | |
| 817 Stop(); | |
| 818 } | |
| 819 | |
| 23 | 820 |
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821 void MongooseServer::ClearUsers() |
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822 { |
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823 Stop(); |
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824 registeredUsers_.clear(); |
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825 } |
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826 |
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827 |
| 23 | 828 void MongooseServer::RegisterUser(const char* username, |
| 829 const char* password) | |
| 830 { | |
| 831 Stop(); | |
| 24 | 832 |
| 833 std::string tag = std::string(username) + ":" + std::string(password); | |
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834 std::string encoded; |
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835 Toolbox::EncodeBase64(encoded, tag); |
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836 registeredUsers_.insert(encoded); |
| 23 | 837 } |
| 838 | |
| 839 void MongooseServer::SetSslEnabled(bool enabled) | |
| 840 { | |
| 841 Stop(); | |
| 842 | |
| 59 | 843 #if ORTHANC_SSL_ENABLED == 0 |
| 23 | 844 if (enabled) |
| 845 { | |
| 59 | 846 throw OrthancException("Orthanc has been built without SSL support"); |
| 23 | 847 } |
| 848 else | |
| 849 { | |
| 850 ssl_ = false; | |
| 851 } | |
| 852 #else | |
| 853 ssl_ = enabled; | |
| 854 #endif | |
| 855 } | |
| 856 | |
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857 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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858 { |
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859 Stop(); |
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860 authentication_ = enabled; |
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861 } |
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862 |
| 23 | 863 void MongooseServer::SetSslCertificate(const char* path) |
| 864 { | |
| 865 Stop(); | |
| 866 certificate_ = path; | |
| 867 } | |
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868 |
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869 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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870 { |
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871 Stop(); |
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872 remoteAllowed_ = allowed; |
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873 } |
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874 |
|
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875 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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876 { |
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877 Stop(); |
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878 filter_ = &filter; |
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879 } |
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880 |
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881 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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882 { |
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883 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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884 } |
| 0 | 885 } |