Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/WebDavStorage.cpp @ 4327:9684a690ca63
fix link errors on wasm unit tests
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 24 Nov 2020 20:53:21 +0100 |
| parents | 50b0c69b653a |
| children | d9473bd5ed43 |
| rev | line source |
|---|---|
| 4230 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Lesser General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Lesser General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Lesser General Public | |
| 18 * License along with this program. If not, see | |
| 19 * <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "../PrecompiledHeaders.h" | |
| 24 #include "WebDavStorage.h" | |
| 25 | |
| 4304 | 26 #include "../Logging.h" |
| 4230 | 27 #include "../OrthancException.h" |
| 28 #include "../SystemToolbox.h" | |
| 29 #include "../TemporaryFile.h" | |
| 30 #include "../Toolbox.h" | |
| 31 | |
| 32 namespace Orthanc | |
| 33 { | |
| 34 class WebDavStorage::StorageFile : public boost::noncopyable | |
| 35 { | |
| 36 private: | |
| 37 std::unique_ptr<TemporaryFile> file_; | |
| 38 std::string content_; | |
| 39 MimeType mime_; | |
| 40 boost::posix_time::ptime time_; | |
| 41 | |
| 42 void Touch() | |
| 43 { | |
| 44 time_ = boost::posix_time::second_clock::universal_time(); | |
| 45 } | |
| 46 | |
| 47 public: | |
| 48 StorageFile() : | |
| 49 mime_(MimeType_Binary) | |
| 50 { | |
| 51 Touch(); | |
| 52 } | |
| 53 | |
| 54 void SetContent(const std::string& content, | |
| 55 MimeType mime, | |
| 56 bool isMemory) | |
| 57 { | |
| 58 if (isMemory) | |
| 59 { | |
| 60 content_ = content; | |
| 61 file_.reset(); | |
| 62 } | |
| 63 else | |
| 64 { | |
| 65 content_.clear(); | |
| 66 file_.reset(new TemporaryFile); | |
| 67 file_->Write(content); | |
| 68 } | |
| 69 | |
| 70 mime_ = mime; | |
| 71 Touch(); | |
| 72 } | |
| 73 | |
| 74 MimeType GetMimeType() const | |
| 75 { | |
| 76 return mime_; | |
| 77 } | |
| 78 | |
| 79 void GetContent(std::string& target) const | |
| 80 { | |
| 81 if (file_.get() == NULL) | |
| 82 { | |
| 83 target = content_; | |
| 84 } | |
| 85 else | |
| 86 { | |
| 87 file_->Read(target); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 const boost::posix_time::ptime& GetTime() const | |
| 92 { | |
| 93 return time_; | |
| 94 } | |
| 95 | |
| 96 uint64_t GetContentLength() const | |
| 97 { | |
| 98 if (file_.get() == NULL) | |
| 99 { | |
| 100 return content_.size(); | |
| 101 } | |
| 102 else | |
| 103 { | |
| 104 return file_->GetFileSize(); | |
| 105 } | |
| 106 } | |
| 107 }; | |
| 108 | |
| 109 | |
| 110 class WebDavStorage::StorageFolder : public boost::noncopyable | |
| 111 { | |
| 112 private: | |
| 113 typedef std::map<std::string, StorageFile*> Files; | |
| 114 typedef std::map<std::string, StorageFolder*> Subfolders; | |
| 115 | |
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116 Files files_; |
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117 Subfolders subfolders_; |
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118 boost::posix_time::ptime time_; |
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119 |
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120 void Touch() |
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121 { |
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122 time_ = boost::posix_time::second_clock::universal_time(); |
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123 } |
| 4230 | 124 |
| 125 void CheckName(const std::string& name) | |
| 126 { | |
| 127 if (name.empty() || | |
| 128 name.find('/') != std::string::npos || | |
| 129 name.find('\\') != std::string::npos || | |
| 130 name.find('\0') != std::string::npos) | |
| 131 { | |
| 132 throw OrthancException(ErrorCode_ParameterOutOfRange, | |
| 133 "Bad resource name for WebDAV: " + name); | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 bool IsExisting(const std::string& name) const | |
| 138 { | |
| 139 return (files_.find(name) != files_.end() || | |
| 140 subfolders_.find(name) != subfolders_.end()); | |
| 141 } | |
| 142 | |
| 143 public: | |
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144 StorageFolder() |
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145 { |
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146 Touch(); |
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147 } |
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148 |
| 4230 | 149 ~StorageFolder() |
| 150 { | |
| 151 for (Files::iterator it = files_.begin(); it != files_.end(); ++it) | |
| 152 { | |
| 153 assert(it->second != NULL); | |
| 154 delete it->second; | |
| 155 } | |
| 156 | |
| 157 for (Subfolders::iterator it = subfolders_.begin(); it != subfolders_.end(); ++it) | |
| 158 { | |
| 159 assert(it->second != NULL); | |
| 160 delete it->second; | |
| 161 } | |
| 162 } | |
| 163 | |
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164 size_t GetSize() const |
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165 { |
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166 return files_.size() + subfolders_.size(); |
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167 } |
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168 |
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169 const boost::posix_time::ptime& GetModificationTime() const |
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170 { |
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171 return time_; |
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172 } |
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173 |
| 4230 | 174 const StorageFile* LookupFile(const std::string& name) const |
| 175 { | |
| 176 Files::const_iterator found = files_.find(name); | |
| 177 if (found == files_.end()) | |
| 178 { | |
| 179 return NULL; | |
| 180 } | |
| 181 else | |
| 182 { | |
| 183 assert(found->second != NULL); | |
| 184 return found->second; | |
| 185 } | |
| 186 } | |
| 187 | |
| 188 bool CreateSubfolder(const std::string& name) | |
| 189 { | |
| 190 CheckName(name); | |
| 191 | |
| 192 if (IsExisting(name)) | |
| 193 { | |
| 194 LOG(ERROR) << "WebDAV folder already existing: " << name; | |
| 195 return false; | |
| 196 } | |
| 197 else | |
| 198 { | |
| 199 subfolders_[name] = new StorageFolder; | |
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200 Touch(); |
| 4230 | 201 return true; |
| 202 } | |
| 203 } | |
| 204 | |
| 205 bool StoreFile(const std::string& name, | |
| 206 const std::string& content, | |
| 207 MimeType mime, | |
| 208 bool isMemory) | |
| 209 { | |
| 210 CheckName(name); | |
| 211 | |
| 212 if (subfolders_.find(name) != subfolders_.end()) | |
| 213 { | |
| 214 LOG(ERROR) << "WebDAV folder already existing: " << name; | |
| 215 return false; | |
| 216 } | |
| 217 | |
| 218 Files::iterator found = files_.find(name); | |
| 219 if (found == files_.end()) | |
| 220 { | |
| 221 std::unique_ptr<StorageFile> f(new StorageFile); | |
| 222 f->SetContent(content, mime, isMemory); | |
| 223 files_[name] = f.release(); | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 assert(found->second != NULL); | |
| 228 found->second->SetContent(content, mime, isMemory); | |
| 229 } | |
| 230 | |
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231 Touch(); |
| 4230 | 232 return true; |
| 233 } | |
| 234 | |
| 235 StorageFolder* LookupFolder(const std::vector<std::string>& path) | |
| 236 { | |
| 237 if (path.empty()) | |
| 238 { | |
| 239 return this; | |
| 240 } | |
| 241 else | |
| 242 { | |
| 243 Subfolders::const_iterator found = subfolders_.find(path[0]); | |
| 244 if (found == subfolders_.end()) | |
| 245 { | |
| 246 return NULL; | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 assert(found->second != NULL); | |
| 251 | |
| 252 std::vector<std::string> p(path.begin() + 1, path.end()); | |
| 253 return found->second->LookupFolder(p); | |
| 254 } | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 void ListCollection(Collection& collection) const | |
| 259 { | |
| 260 for (Files::const_iterator it = files_.begin(); it != files_.end(); ++it) | |
| 261 { | |
| 262 assert(it->second != NULL); | |
| 263 | |
| 264 std::unique_ptr<File> f(new File(it->first)); | |
| 265 f->SetContentLength(it->second->GetContentLength()); | |
| 266 f->SetCreationTime(it->second->GetTime()); | |
| 267 collection.AddResource(f.release()); | |
| 268 } | |
| 269 | |
| 270 for (Subfolders::const_iterator it = subfolders_.begin(); it != subfolders_.end(); ++it) | |
| 271 { | |
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272 std::unique_ptr<Folder> f(new Folder(it->first)); |
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273 f->SetModificationTime(it->second->GetModificationTime()); |
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274 collection.AddResource(f.release()); |
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275 } |
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276 } |
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277 |
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278 bool DeleteItem(const std::vector<std::string>& path) |
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279 { |
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280 if (path.size() == 0) |
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281 { |
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282 throw OrthancException(ErrorCode_InternalError); |
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283 } |
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284 else if (path.size() == 1) |
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285 { |
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286 { |
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287 Files::iterator f = files_.find(path[0]); |
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288 if (f != files_.end()) |
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289 { |
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290 assert(f->second != NULL); |
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291 delete f->second; |
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292 files_.erase(f); |
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293 Touch(); |
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294 return true; |
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295 } |
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296 } |
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297 |
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298 { |
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299 Subfolders::iterator f = subfolders_.find(path[0]); |
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300 if (f != subfolders_.end()) |
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301 { |
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302 assert(f->second != NULL); |
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303 delete f->second; |
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304 subfolders_.erase(f); |
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305 Touch(); |
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306 return true; |
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307 } |
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308 } |
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309 |
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310 return false; |
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311 } |
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312 else |
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313 { |
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314 Subfolders::iterator f = subfolders_.find(path[0]); |
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315 if (f != subfolders_.end()) |
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316 { |
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317 assert(f->second != NULL); |
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318 |
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319 std::vector<std::string> p(path.begin() + 1, path.end()); |
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320 if (f->second->DeleteItem(p)) |
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321 { |
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322 Touch(); |
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323 return true; |
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324 } |
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325 else |
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326 { |
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327 return false; |
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328 } |
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329 } |
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330 else |
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331 { |
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332 return false; |
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333 } |
| 4230 | 334 } |
| 335 } | |
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336 |
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337 |
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338 void RemoveEmptyFolders() |
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339 { |
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340 std::list<std::string> emptyFolders; |
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341 |
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342 for (Subfolders::const_iterator it = subfolders_.begin(); it != subfolders_.end(); ++it) |
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343 { |
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344 assert(it->second != NULL); |
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345 it->second->RemoveEmptyFolders(); |
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346 |
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347 if (it->second->GetSize() == 0) |
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348 { |
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349 assert(it->second != NULL); |
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350 delete it->second; |
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351 |
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352 emptyFolders.push_back(it->first); |
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353 } |
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354 } |
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355 |
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356 for (std::list<std::string>::const_iterator it = emptyFolders.begin(); |
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357 it != emptyFolders.end(); ++it) |
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358 { |
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359 assert(subfolders_.find(*it) != subfolders_.end()); |
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360 subfolders_.erase(*it); |
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361 } |
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362 } |
| 4230 | 363 }; |
| 364 | |
| 365 | |
| 366 WebDavStorage::StorageFolder* WebDavStorage::LookupParentFolder(const std::vector<std::string>& path) | |
| 367 { | |
| 368 if (path.empty()) | |
| 369 { | |
| 370 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 371 } | |
| 372 | |
| 373 std::vector<std::string> p(path.begin(), path.end() - 1); | |
| 374 return root_->LookupFolder(p); | |
| 375 } | |
| 376 | |
| 377 | |
| 378 WebDavStorage::WebDavStorage(bool isMemory) : | |
| 379 root_(new StorageFolder), | |
| 380 isMemory_(isMemory) | |
| 381 { | |
| 382 } | |
| 383 | |
| 384 | |
| 385 bool WebDavStorage::IsExistingFolder(const std::vector<std::string>& path) | |
| 386 { | |
| 387 boost::recursive_mutex::scoped_lock lock(mutex_); | |
| 388 | |
| 389 return (root_->LookupFolder(path) != NULL); | |
| 390 } | |
| 391 | |
| 392 | |
| 393 bool WebDavStorage::ListCollection(Collection& collection, | |
| 394 const std::vector<std::string>& path) | |
| 395 { | |
| 396 boost::recursive_mutex::scoped_lock lock(mutex_); | |
| 397 | |
| 398 const StorageFolder* folder = root_->LookupFolder(path); | |
| 399 if (folder == NULL) | |
| 400 { | |
| 401 return false; | |
| 402 } | |
| 403 else | |
| 404 { | |
| 405 folder->ListCollection(collection); | |
| 406 return true; | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 | |
| 411 bool WebDavStorage::GetFileContent(MimeType& mime, | |
| 412 std::string& content, | |
| 413 boost::posix_time::ptime& modificationTime, | |
| 414 const std::vector<std::string>& path) | |
| 415 { | |
| 416 boost::recursive_mutex::scoped_lock lock(mutex_); | |
| 417 | |
| 418 const StorageFolder* folder = LookupParentFolder(path); | |
| 419 if (folder == NULL) | |
| 420 { | |
| 421 return false; | |
| 422 } | |
| 423 else | |
| 424 { | |
| 425 const StorageFile* file = folder->LookupFile(path.back()); | |
| 426 if (file == NULL) | |
| 427 { | |
| 428 return false; | |
| 429 } | |
| 430 else | |
| 431 { | |
| 432 mime = file->GetMimeType(); | |
| 433 file->GetContent(content); | |
| 434 modificationTime = file->GetTime(); | |
| 435 return true; | |
| 436 } | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 | |
| 441 bool WebDavStorage::StoreFile(const std::string& content, | |
| 442 const std::vector<std::string>& path) | |
| 443 { | |
| 444 boost::recursive_mutex::scoped_lock lock(mutex_); | |
| 445 | |
| 446 StorageFolder* folder = LookupParentFolder(path); | |
| 447 if (folder == NULL) | |
| 448 { | |
| 449 LOG(WARNING) << "Inexisting folder in WebDAV: " << Toolbox::FlattenUri(path); | |
| 450 return false; | |
| 451 } | |
| 452 else | |
| 453 { | |
| 454 LOG(INFO) << "Storing " << content.size() | |
| 455 << " bytes in WebDAV bucket: " << Toolbox::FlattenUri(path);; | |
| 456 | |
| 457 MimeType mime = SystemToolbox::AutodetectMimeType(path.back()); | |
| 458 return folder->StoreFile(path.back(), content, mime, isMemory_); | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 | |
| 463 bool WebDavStorage::CreateFolder(const std::vector<std::string>& path) | |
| 464 { | |
| 465 boost::recursive_mutex::scoped_lock lock(mutex_); | |
| 466 | |
| 467 StorageFolder* folder = LookupParentFolder(path); | |
| 468 if (folder == NULL) | |
| 469 { | |
| 470 LOG(WARNING) << "Inexisting folder in WebDAV: " << Toolbox::FlattenUri(path); | |
| 471 return false; | |
| 472 } | |
| 473 else | |
| 474 { | |
| 475 LOG(INFO) << "Creating folder in WebDAV bucket: " << Toolbox::FlattenUri(path); | |
| 476 return folder->CreateSubfolder(path.back()); | |
| 477 } | |
| 478 } | |
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479 |
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480 |
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481 bool WebDavStorage::DeleteItem(const std::vector<std::string>& path) |
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482 { |
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483 if (path.empty()) |
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484 { |
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485 return false; // Cannot delete the root |
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486 } |
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487 else |
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488 { |
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489 boost::recursive_mutex::scoped_lock lock(mutex_); |
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490 |
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491 LOG(INFO) << "Deleting from WebDAV bucket: " << Toolbox::FlattenUri(path); |
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492 return root_->DeleteItem(path); |
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493 } |
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494 } |
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495 |
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496 |
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497 void WebDavStorage::RemoveEmptyFolders() |
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498 { |
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499 boost::recursive_mutex::scoped_lock lock(mutex_); |
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500 root_->RemoveEmptyFolders(); |
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501 } |
| 4230 | 502 } |