Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 795:d466b3606aca
refactoring
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 06 May 2014 11:01:30 +0200 |
| parents | b8c49473be38 |
| children | 8ce2f69436ca |
| 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 | |
| 35 #include "MongooseServer.h" | |
| 36 | |
| 37 #include <algorithm> | |
| 38 #include <string.h> | |
| 39 #include <boost/lexical_cast.hpp> | |
| 40 #include <boost/algorithm/string.hpp> | |
| 41 #include <iostream> | |
| 42 #include <string.h> | |
| 43 #include <stdio.h> | |
| 44 #include <boost/thread.hpp> | |
| 108 | 45 #include <glog/logging.h> |
| 0 | 46 |
| 59 | 47 #include "../OrthancException.h" |
| 0 | 48 #include "../ChunkedBuffer.h" |
| 324 | 49 #include "HttpOutput.h" |
| 0 | 50 #include "mongoose.h" |
| 51 | |
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52 #if ORTHANC_SSL_ENABLED == 1 |
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53 #include <openssl/opensslv.h> |
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54 #endif |
| 0 | 55 |
| 59 | 56 #define ORTHANC_REALM "Orthanc Secure Area" |
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57 |
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58 static const long LOCALHOST = (127ll << 24) + 1ll; |
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59 |
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60 |
| 59 | 61 namespace Orthanc |
| 0 | 62 { |
| 63 static const char multipart[] = "multipart/form-data; boundary="; | |
| 64 static unsigned int multipartLength = sizeof(multipart) / sizeof(char) - 1; | |
| 65 | |
| 66 | |
| 67 namespace | |
| 68 { | |
| 69 // Anonymous namespace to avoid clashes between compilation modules | |
| 70 class MongooseOutput : public HttpOutput | |
| 71 { | |
| 72 private: | |
| 73 struct mg_connection* connection_; | |
| 74 | |
| 75 public: | |
| 76 MongooseOutput(struct mg_connection* connection) : connection_(connection) | |
| 77 { | |
| 78 } | |
| 79 | |
| 80 virtual void Send(const void* buffer, size_t length) | |
| 81 { | |
| 217 | 82 if (length > 0) |
| 83 { | |
| 84 mg_write(connection_, buffer, length); | |
| 85 } | |
| 0 | 86 } |
| 87 }; | |
| 88 | |
| 89 | |
| 90 enum PostDataStatus | |
| 91 { | |
| 92 PostDataStatus_Success, | |
| 93 PostDataStatus_NoLength, | |
| 94 PostDataStatus_Pending, | |
| 95 PostDataStatus_Failure | |
| 96 }; | |
| 97 } | |
| 98 | |
| 99 | |
| 100 // TODO Move this to external file | |
| 101 | |
| 102 | |
| 103 class ChunkedFile : public ChunkedBuffer | |
| 104 { | |
| 105 private: | |
| 106 std::string filename_; | |
| 107 | |
| 108 public: | |
| 109 ChunkedFile(const std::string& filename) : | |
| 110 filename_(filename) | |
| 111 { | |
| 112 } | |
| 113 | |
| 114 const std::string& GetFilename() const | |
| 115 { | |
| 116 return filename_; | |
| 117 } | |
| 118 }; | |
| 119 | |
| 120 | |
| 121 | |
| 122 class ChunkStore | |
| 123 { | |
| 124 private: | |
| 125 typedef std::list<ChunkedFile*> Content; | |
| 126 Content content_; | |
| 127 unsigned int numPlaces_; | |
| 128 | |
| 129 boost::mutex mutex_; | |
| 130 std::set<std::string> discardedFiles_; | |
| 131 | |
| 132 void Clear() | |
| 133 { | |
| 134 for (Content::iterator it = content_.begin(); | |
| 656 | 135 it != content_.end(); ++it) |
| 0 | 136 { |
| 137 delete *it; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 Content::iterator Find(const std::string& filename) | |
| 142 { | |
| 143 for (Content::iterator it = content_.begin(); | |
| 656 | 144 it != content_.end(); ++it) |
| 0 | 145 { |
| 146 if ((*it)->GetFilename() == filename) | |
| 147 { | |
| 148 return it; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 return content_.end(); | |
| 153 } | |
| 154 | |
| 155 void Remove(const std::string& filename) | |
| 156 { | |
| 157 Content::iterator it = Find(filename); | |
| 158 if (it != content_.end()) | |
| 159 { | |
| 160 delete *it; | |
| 161 content_.erase(it); | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 public: | |
| 166 ChunkStore() | |
| 167 { | |
| 168 numPlaces_ = 10; | |
| 169 } | |
| 170 | |
| 171 ~ChunkStore() | |
| 172 { | |
| 173 Clear(); | |
| 174 } | |
| 175 | |
| 176 PostDataStatus Store(std::string& completed, | |
| 177 const char* chunkData, | |
| 178 size_t chunkSize, | |
| 179 const std::string& filename, | |
| 180 size_t filesize) | |
| 181 { | |
| 182 boost::mutex::scoped_lock lock(mutex_); | |
| 183 | |
| 184 std::set<std::string>::iterator wasDiscarded = discardedFiles_.find(filename); | |
| 185 if (wasDiscarded != discardedFiles_.end()) | |
| 186 { | |
| 187 discardedFiles_.erase(wasDiscarded); | |
| 188 return PostDataStatus_Failure; | |
| 189 } | |
| 190 | |
| 191 ChunkedFile* f; | |
| 192 Content::iterator it = Find(filename); | |
| 193 if (it == content_.end()) | |
| 194 { | |
| 195 f = new ChunkedFile(filename); | |
| 196 | |
| 197 // Make some room | |
| 198 if (content_.size() >= numPlaces_) | |
| 199 { | |
| 200 discardedFiles_.insert(content_.front()->GetFilename()); | |
| 201 delete content_.front(); | |
| 202 content_.pop_front(); | |
| 203 } | |
| 204 | |
| 205 content_.push_back(f); | |
| 206 } | |
| 207 else | |
| 208 { | |
| 209 f = *it; | |
| 210 } | |
| 211 | |
| 212 f->AddChunk(chunkData, chunkSize); | |
| 213 | |
| 214 if (f->GetNumBytes() > filesize) | |
| 215 { | |
| 216 Remove(filename); | |
| 217 } | |
| 218 else if (f->GetNumBytes() == filesize) | |
| 219 { | |
| 220 f->Flatten(completed); | |
| 221 Remove(filename); | |
| 222 return PostDataStatus_Success; | |
| 223 } | |
| 224 | |
| 225 return PostDataStatus_Pending; | |
| 226 } | |
| 227 | |
| 228 /*void Print() | |
| 229 { | |
| 230 boost::mutex::scoped_lock lock(mutex_); | |
| 231 | |
| 232 printf("ChunkStore status:\n"); | |
| 233 for (Content::const_iterator i = content_.begin(); | |
| 234 i != content_.end(); i++) | |
| 235 { | |
| 236 printf(" [%s]: %d\n", (*i)->GetFilename().c_str(), (*i)->GetNumBytes()); | |
| 237 } | |
| 238 printf("-----\n"); | |
| 239 }*/ | |
| 240 }; | |
| 241 | |
| 242 | |
| 243 struct MongooseServer::PImpl | |
| 244 { | |
| 245 struct mg_context *context_; | |
| 246 ChunkStore chunkStore_; | |
| 247 }; | |
| 248 | |
| 249 | |
| 250 ChunkStore& MongooseServer::GetChunkStore() | |
| 251 { | |
| 252 return pimpl_->chunkStore_; | |
| 253 } | |
| 254 | |
| 255 | |
| 256 | |
| 257 HttpHandler* MongooseServer::FindHandler(const UriComponents& forUri) const | |
| 258 { | |
| 259 for (Handlers::const_iterator it = | |
| 656 | 260 handlers_.begin(); it != handlers_.end(); ++it) |
| 0 | 261 { |
| 262 if ((*it)->IsServedUri(forUri)) | |
| 263 { | |
| 264 return *it; | |
| 265 } | |
| 266 } | |
| 267 | |
| 268 return NULL; | |
| 269 } | |
| 270 | |
| 271 | |
| 272 | |
| 273 | |
| 416 | 274 static PostDataStatus ReadBody(std::string& postData, |
| 275 struct mg_connection *connection, | |
| 276 const HttpHandler::Arguments& headers) | |
| 0 | 277 { |
| 278 HttpHandler::Arguments::const_iterator cs = headers.find("content-length"); | |
| 279 if (cs == headers.end()) | |
| 280 { | |
| 281 return PostDataStatus_NoLength; | |
| 282 } | |
| 283 | |
| 284 int length; | |
| 285 try | |
| 286 { | |
| 287 length = boost::lexical_cast<int>(cs->second); | |
| 288 } | |
| 289 catch (boost::bad_lexical_cast) | |
| 290 { | |
| 291 return PostDataStatus_NoLength; | |
| 292 } | |
| 293 | |
| 294 if (length < 0) | |
| 295 { | |
| 296 length = 0; | |
| 297 } | |
| 298 | |
| 299 postData.resize(length); | |
| 300 | |
| 301 size_t pos = 0; | |
| 302 while (length > 0) | |
| 303 { | |
| 304 int r = mg_read(connection, &postData[pos], length); | |
| 305 if (r <= 0) | |
| 306 { | |
| 307 return PostDataStatus_Failure; | |
| 308 } | |
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309 |
| 8 | 310 assert(r <= length); |
| 0 | 311 length -= r; |
| 312 pos += r; | |
| 313 } | |
| 314 | |
| 315 return PostDataStatus_Success; | |
| 316 } | |
| 317 | |
| 318 | |
| 319 | |
| 320 static PostDataStatus ParseMultipartPost(std::string &completedFile, | |
| 321 struct mg_connection *connection, | |
| 322 const HttpHandler::Arguments& headers, | |
| 323 const std::string& contentType, | |
| 324 ChunkStore& chunkStore) | |
| 325 { | |
| 326 std::string boundary = "--" + contentType.substr(multipartLength); | |
| 327 | |
| 328 std::string postData; | |
| 416 | 329 PostDataStatus status = ReadBody(postData, connection, headers); |
| 0 | 330 |
| 331 if (status != PostDataStatus_Success) | |
| 332 { | |
| 333 return status; | |
| 334 } | |
| 335 | |
| 336 /*for (HttpHandler::Arguments::const_iterator i = headers.begin(); i != headers.end(); i++) | |
| 337 { | |
| 338 std::cout << "Header [" << i->first << "] = " << i->second << "\n"; | |
| 339 } | |
| 340 printf("CHUNK\n");*/ | |
| 341 | |
| 342 typedef HttpHandler::Arguments::const_iterator ArgumentIterator; | |
| 343 | |
| 344 ArgumentIterator requestedWith = headers.find("x-requested-with"); | |
| 345 ArgumentIterator fileName = headers.find("x-file-name"); | |
| 346 ArgumentIterator fileSizeStr = headers.find("x-file-size"); | |
| 347 | |
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348 if (requestedWith != headers.end() && |
| 0 | 349 requestedWith->second != "XMLHttpRequest") |
| 350 { | |
| 351 return PostDataStatus_Failure; | |
| 352 } | |
| 353 | |
| 354 size_t fileSize = 0; | |
| 355 if (fileSizeStr != headers.end()) | |
| 356 { | |
| 357 try | |
| 358 { | |
| 359 fileSize = boost::lexical_cast<size_t>(fileSizeStr->second); | |
| 360 } | |
| 361 catch (boost::bad_lexical_cast) | |
| 362 { | |
| 363 return PostDataStatus_Failure; | |
| 364 } | |
| 365 } | |
| 366 | |
| 367 typedef boost::find_iterator<std::string::iterator> FindIterator; | |
| 10 | 368 typedef boost::iterator_range<char*> Range; |
| 0 | 369 |
| 370 //chunkStore.Print(); | |
| 371 | |
| 372 try | |
| 373 { | |
| 374 FindIterator last; | |
| 375 for (FindIterator it = | |
| 376 make_find_iterator(postData, boost::first_finder(boundary)); | |
| 377 it!=FindIterator(); | |
| 378 ++it) | |
| 379 { | |
| 380 if (last != FindIterator()) | |
| 381 { | |
| 10 | 382 Range part(&last->back(), &it->front()); |
| 0 | 383 Range content = boost::find_first(part, "\r\n\r\n"); |
| 345 | 384 if (/*content != Range()*/!content.empty()) |
| 0 | 385 { |
| 386 Range c(&content.back() + 1, &it->front() - 2); | |
| 387 size_t chunkSize = c.size(); | |
| 388 | |
| 389 if (chunkSize > 0) | |
| 390 { | |
| 391 const char* chunkData = &c.front(); | |
| 392 | |
| 393 if (fileName == headers.end()) | |
| 394 { | |
| 395 // This file is stored in a single chunk | |
| 396 completedFile.resize(chunkSize); | |
| 397 if (chunkSize > 0) | |
| 398 { | |
| 399 memcpy(&completedFile[0], chunkData, chunkSize); | |
| 400 } | |
| 401 return PostDataStatus_Success; | |
| 402 } | |
| 403 else | |
| 404 { | |
| 405 return chunkStore.Store(completedFile, chunkData, chunkSize, fileName->second, fileSize); | |
| 406 } | |
| 407 } | |
| 10 | 408 } |
| 0 | 409 } |
| 410 | |
| 411 last = it; | |
| 412 } | |
| 413 } | |
| 414 catch (std::length_error) | |
| 415 { | |
| 416 return PostDataStatus_Failure; | |
| 417 } | |
| 418 | |
| 419 return PostDataStatus_Pending; | |
| 420 } | |
| 421 | |
| 422 | |
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423 static void SendUnauthorized(HttpOutput& output) |
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424 { |
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425 std::string s = "HTTP/1.1 401 Unauthorized\r\n" |
| 59 | 426 "WWW-Authenticate: Basic realm=\"" ORTHANC_REALM "\"" |
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427 "\r\n\r\n"; |
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428 output.Send(&s[0], s.size()); |
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429 } |
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430 |
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431 |
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432 static bool Authorize(const MongooseServer& that, |
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433 const HttpHandler::Arguments& headers, |
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434 HttpOutput& output) |
| 23 | 435 { |
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436 bool granted = false; |
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437 |
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438 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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439 if (auth != headers.end()) |
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440 { |
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441 std::string s = auth->second; |
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442 if (s.substr(0, 6) == "Basic ") |
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443 { |
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444 std::string b64 = s.substr(6); |
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445 granted = that.IsValidBasicHttpAuthentication(b64); |
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446 } |
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447 } |
| 23 | 448 |
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449 if (!granted) |
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450 { |
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451 SendUnauthorized(output); |
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452 return false; |
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453 } |
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454 else |
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455 { |
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456 return true; |
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457 } |
| 23 | 458 } |
| 459 | |
| 460 | |
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461 static std::string GetAuthenticatedUsername(const HttpHandler::Arguments& headers) |
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462 { |
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463 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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464 |
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465 if (auth == headers.end()) |
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466 { |
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467 return ""; |
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468 } |
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469 |
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470 std::string s = auth->second; |
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471 if (s.substr(0, 6) != "Basic ") |
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472 { |
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473 return ""; |
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474 } |
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475 |
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476 std::string b64 = s.substr(6); |
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477 std::string decoded = Toolbox::DecodeBase64(b64); |
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478 size_t semicolons = decoded.find(':'); |
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479 |
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480 if (semicolons == std::string::npos) |
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481 { |
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482 // Bad-formatted request |
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483 return ""; |
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484 } |
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485 else |
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486 { |
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487 return decoded.substr(0, semicolons); |
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488 } |
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489 } |
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490 |
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491 |
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492 static bool ExtractMethod(HttpMethod& method, |
| 414 | 493 const struct mg_request_info *request, |
| 494 const HttpHandler::Arguments& headers, | |
| 495 const HttpHandler::Arguments& argumentsGET) | |
| 496 { | |
| 497 std::string overriden; | |
| 498 | |
| 499 // Check whether some PUT/DELETE faking is done | |
| 500 | |
| 501 // 1. Faking with Google's approach | |
| 502 HttpHandler::Arguments::const_iterator methodOverride = | |
| 503 headers.find("x-http-method-override"); | |
| 504 | |
| 505 if (methodOverride != headers.end()) | |
| 506 { | |
| 507 overriden = methodOverride->second; | |
| 508 } | |
| 509 else if (!strcmp(request->request_method, "GET")) | |
| 510 { | |
| 511 // 2. Faking with Ruby on Rail's approach | |
| 512 // GET /my/resource?_method=delete <=> DELETE /my/resource | |
| 513 methodOverride = argumentsGET.find("_method"); | |
| 514 if (methodOverride != argumentsGET.end()) | |
| 515 { | |
| 516 overriden = methodOverride->second; | |
| 517 } | |
| 518 } | |
| 519 | |
| 520 if (overriden.size() > 0) | |
| 521 { | |
| 522 // A faking has been done within this request | |
| 523 Toolbox::ToUpperCase(overriden); | |
| 524 | |
| 416 | 525 LOG(INFO) << "HTTP method faking has been detected for " << overriden; |
| 526 | |
| 414 | 527 if (overriden == "PUT") |
| 528 { | |
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529 method = HttpMethod_Put; |
| 416 | 530 return true; |
| 414 | 531 } |
| 532 else if (overriden == "DELETE") | |
| 533 { | |
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534 method = HttpMethod_Delete; |
| 416 | 535 return true; |
| 414 | 536 } |
| 537 else | |
| 538 { | |
| 539 return false; | |
| 540 } | |
| 541 } | |
| 542 | |
| 543 // No PUT/DELETE faking was present | |
| 544 if (!strcmp(request->request_method, "GET")) | |
| 545 { | |
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546 method = HttpMethod_Get; |
| 414 | 547 } |
| 548 else if (!strcmp(request->request_method, "POST")) | |
| 549 { | |
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550 method = HttpMethod_Post; |
| 414 | 551 } |
| 552 else if (!strcmp(request->request_method, "DELETE")) | |
| 553 { | |
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554 method = HttpMethod_Delete; |
| 414 | 555 } |
| 556 else if (!strcmp(request->request_method, "PUT")) | |
| 557 { | |
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558 method = HttpMethod_Put; |
| 414 | 559 } |
| 560 else | |
| 561 { | |
| 562 return false; | |
| 563 } | |
| 564 | |
| 565 return true; | |
| 566 } | |
| 567 | |
| 568 | |
| 0 | 569 |
| 570 static void* Callback(enum mg_event event, | |
| 571 struct mg_connection *connection, | |
| 572 const struct mg_request_info *request) | |
| 573 { | |
| 574 if (event == MG_NEW_REQUEST) | |
| 575 { | |
| 656 | 576 MongooseServer* that = reinterpret_cast<MongooseServer*>(request->user_data); |
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577 MongooseOutput output(connection); |
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578 |
| 414 | 579 // Check remote calls |
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580 if (!that->IsRemoteAccessAllowed() && |
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581 request->remote_ip != LOCALHOST) |
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582 { |
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583 SendUnauthorized(output); |
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584 return (void*) ""; |
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585 } |
| 0 | 586 |
| 587 | |
| 414 | 588 // Extract the HTTP headers |
| 589 HttpHandler::Arguments headers; | |
| 0 | 590 for (int i = 0; i < request->num_headers; i++) |
| 591 { | |
| 592 std::string name = request->http_headers[i].name; | |
| 593 std::transform(name.begin(), name.end(), name.begin(), ::tolower); | |
| 594 headers.insert(std::make_pair(name, request->http_headers[i].value)); | |
| 595 } | |
| 596 | |
| 414 | 597 |
| 598 // Extract the GET arguments | |
| 599 HttpHandler::Arguments argumentsGET; | |
| 600 if (!strcmp(request->request_method, "GET")) | |
| 601 { | |
| 602 HttpHandler::ParseGetQuery(argumentsGET, request->query_string); | |
| 603 } | |
| 604 | |
| 605 | |
| 606 // Compute the HTTP method, taking method faking into consideration | |
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607 HttpMethod method; |
| 414 | 608 if (!ExtractMethod(method, request, headers, argumentsGET)) |
| 609 { | |
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610 output.SendHeader(HttpStatus_400_BadRequest); |
| 414 | 611 return (void*) ""; |
| 612 } | |
| 613 | |
| 614 | |
| 23 | 615 // Authenticate this connection |
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616 if (that->IsAuthenticationEnabled() && |
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617 !Authorize(*that, headers, output)) |
| 23 | 618 { |
| 619 return (void*) ""; | |
| 620 } | |
| 621 | |
|
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622 |
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623 // Apply the filter, if it is installed |
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624 const IIncomingHttpRequestFilter *filter = that->GetIncomingHttpRequestFilter(); |
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625 if (filter != NULL) |
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626 { |
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627 std::string username = GetAuthenticatedUsername(headers); |
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628 |
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629 char remoteIp[24]; |
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630 sprintf(remoteIp, "%d.%d.%d.%d", |
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631 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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632 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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633 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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634 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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635 |
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636 if (!filter->IsAllowed(method, request->uri, remoteIp, username.c_str())) |
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637 { |
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638 SendUnauthorized(output); |
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639 return (void*) ""; |
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640 } |
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641 } |
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642 |
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643 |
| 414 | 644 // Extract the body of the request for PUT and POST |
| 645 std::string body; | |
|
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646 if (method == HttpMethod_Post || |
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647 method == HttpMethod_Put) |
| 0 | 648 { |
| 416 | 649 PostDataStatus status; |
| 650 | |
| 0 | 651 HttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
| 652 if (ct == headers.end()) | |
| 653 { | |
| 416 | 654 // No content-type specified. Assume no multi-part content occurs at this point. |
| 655 status = ReadBody(body, connection, headers); | |
| 0 | 656 } |
| 657 else | |
| 658 { | |
| 416 | 659 std::string contentType = ct->second; |
| 660 if (contentType.size() >= multipartLength && | |
| 661 !memcmp(contentType.c_str(), multipart, multipartLength)) | |
| 662 { | |
| 663 status = ParseMultipartPost(body, connection, headers, contentType, that->GetChunkStore()); | |
| 664 } | |
| 665 else | |
| 666 { | |
| 667 status = ReadBody(body, connection, headers); | |
| 668 } | |
| 0 | 669 } |
| 670 | |
| 671 switch (status) | |
| 672 { | |
| 416 | 673 case PostDataStatus_NoLength: |
|
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674 output.SendHeader(HttpStatus_411_LengthRequired); |
| 416 | 675 return (void*) ""; |
| 0 | 676 |
| 416 | 677 case PostDataStatus_Failure: |
|
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678 output.SendHeader(HttpStatus_400_BadRequest); |
| 416 | 679 return (void*) ""; |
| 0 | 680 |
| 416 | 681 case PostDataStatus_Pending: |
| 682 output.AnswerBufferWithContentType(NULL, 0, ""); | |
| 683 return (void*) ""; | |
| 0 | 684 |
| 416 | 685 default: |
| 686 break; | |
| 0 | 687 } |
| 688 } | |
| 689 | |
| 414 | 690 |
| 691 // Call the proper handler for this URI | |
| 0 | 692 UriComponents uri; |
| 415 | 693 try |
| 694 { | |
| 695 Toolbox::SplitUriComponents(uri, request->uri); | |
| 696 } | |
| 697 catch (OrthancException) | |
| 698 { | |
|
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699 output.SendHeader(HttpStatus_400_BadRequest); |
| 415 | 700 return (void*) ""; |
| 701 } | |
| 702 | |
| 0 | 703 |
| 704 HttpHandler* handler = that->FindHandler(uri); | |
| 705 if (handler) | |
| 706 { | |
| 707 try | |
| 708 { | |
| 477 | 709 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
| 414 | 710 handler->Handle(output, method, uri, headers, argumentsGET, body); |
| 0 | 711 } |
| 59 | 712 catch (OrthancException& e) |
| 0 | 713 { |
| 108 | 714 LOG(ERROR) << "MongooseServer Exception [" << e.What() << "]"; |
|
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715 output.SendHeader(HttpStatus_500_InternalServerError); |
| 0 | 716 } |
|
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717 catch (boost::bad_lexical_cast&) |
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718 { |
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719 LOG(ERROR) << "MongooseServer Exception: Bad lexical cast"; |
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720 output.SendHeader(HttpStatus_400_BadRequest); |
| 333 | 721 } |
| 722 catch (std::runtime_error&) | |
| 723 { | |
| 724 LOG(ERROR) << "MongooseServer Exception: Presumably a bad JSON request"; | |
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725 output.SendHeader(HttpStatus_400_BadRequest); |
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726 } |
| 0 | 727 } |
| 728 else | |
| 729 { | |
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730 output.SendHeader(HttpStatus_404_NotFound); |
| 0 | 731 } |
| 732 | |
| 733 // Mark as processed | |
| 734 return (void*) ""; | |
| 735 } | |
| 736 else | |
| 737 { | |
| 738 return NULL; | |
| 739 } | |
| 740 } | |
| 741 | |
| 742 | |
| 743 bool MongooseServer::IsRunning() const | |
| 744 { | |
| 745 return (pimpl_->context_ != NULL); | |
| 746 } | |
| 747 | |
| 748 | |
| 749 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
| 750 { | |
| 751 pimpl_->context_ = NULL; | |
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752 remoteAllowed_ = false; |
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753 authentication_ = false; |
| 23 | 754 ssl_ = false; |
| 0 | 755 port_ = 8000; |
| 417 | 756 filter_ = NULL; |
|
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757 |
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758 #if ORTHANC_SSL_ENABLED == 1 |
| 749 | 759 // Check for the Heartbleed exploit |
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748
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760 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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761 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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762 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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763 { |
| 749 | 764 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
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765 } |
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766 #endif |
| 0 | 767 } |
| 768 | |
| 769 | |
| 770 MongooseServer::~MongooseServer() | |
| 771 { | |
| 772 Stop(); | |
| 773 ClearHandlers(); | |
| 774 } | |
| 775 | |
| 776 | |
| 128 | 777 void MongooseServer::SetPortNumber(uint16_t port) |
| 0 | 778 { |
| 779 Stop(); | |
| 780 port_ = port; | |
| 781 } | |
| 782 | |
| 783 void MongooseServer::Start() | |
| 784 { | |
| 785 if (!IsRunning()) | |
| 786 { | |
| 787 std::string port = boost::lexical_cast<std::string>(port_); | |
| 788 | |
| 23 | 789 if (ssl_) |
| 790 { | |
| 791 port += "s"; | |
| 792 } | |
| 793 | |
| 0 | 794 const char *options[] = { |
| 795 "listening_ports", port.c_str(), | |
| 23 | 796 ssl_ ? "ssl_certificate" : NULL, |
| 797 certificate_.c_str(), | |
| 0 | 798 NULL |
| 799 }; | |
| 800 | |
| 801 pimpl_->context_ = mg_start(&Callback, this, options); | |
| 802 if (!pimpl_->context_) | |
| 803 { | |
| 59 | 804 throw OrthancException("Unable to launch the Mongoose server"); |
| 0 | 805 } |
| 806 } | |
| 807 } | |
| 808 | |
| 809 void MongooseServer::Stop() | |
| 810 { | |
| 811 if (IsRunning()) | |
| 812 { | |
| 813 mg_stop(pimpl_->context_); | |
| 814 pimpl_->context_ = NULL; | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 | |
| 819 void MongooseServer::RegisterHandler(HttpHandler* handler) | |
| 820 { | |
| 821 Stop(); | |
| 822 | |
| 823 handlers_.push_back(handler); | |
| 824 } | |
| 825 | |
| 826 | |
| 827 void MongooseServer::ClearHandlers() | |
| 828 { | |
| 829 Stop(); | |
| 830 | |
| 831 for (Handlers::iterator it = | |
| 656 | 832 handlers_.begin(); it != handlers_.end(); ++it) |
| 0 | 833 { |
| 834 delete *it; | |
| 835 } | |
| 836 } | |
| 837 | |
| 23 | 838 |
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839 void MongooseServer::ClearUsers() |
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840 { |
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841 Stop(); |
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842 registeredUsers_.clear(); |
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843 } |
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844 |
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845 |
| 23 | 846 void MongooseServer::RegisterUser(const char* username, |
| 847 const char* password) | |
| 848 { | |
| 849 Stop(); | |
| 24 | 850 |
| 851 std::string tag = std::string(username) + ":" + std::string(password); | |
| 852 registeredUsers_.insert(Toolbox::EncodeBase64(tag)); | |
| 23 | 853 } |
| 854 | |
| 855 void MongooseServer::SetSslEnabled(bool enabled) | |
| 856 { | |
| 857 Stop(); | |
| 858 | |
| 59 | 859 #if ORTHANC_SSL_ENABLED == 0 |
| 23 | 860 if (enabled) |
| 861 { | |
| 59 | 862 throw OrthancException("Orthanc has been built without SSL support"); |
| 23 | 863 } |
| 864 else | |
| 865 { | |
| 866 ssl_ = false; | |
| 867 } | |
| 868 #else | |
| 869 ssl_ = enabled; | |
| 870 #endif | |
| 871 } | |
| 872 | |
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873 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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874 { |
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875 Stop(); |
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876 authentication_ = enabled; |
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877 } |
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878 |
| 23 | 879 void MongooseServer::SetSslCertificate(const char* path) |
| 880 { | |
| 881 Stop(); | |
| 882 certificate_ = path; | |
| 883 } | |
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884 |
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885 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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886 { |
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887 Stop(); |
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888 remoteAllowed_ = allowed; |
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889 } |
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890 |
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891 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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892 { |
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893 Stop(); |
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894 filter_ = &filter; |
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895 } |
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896 |
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897 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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898 { |
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899 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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900 } |
| 0 | 901 } |