@@ -71,613 +71,613 @@ |
||
71 | 71 | use Sabre\DAV\IFile; |
72 | 72 | |
73 | 73 | class File extends Node implements IFile { |
74 | - protected $request; |
|
75 | - |
|
76 | - /** |
|
77 | - * Sets up the node, expects a full path name |
|
78 | - * |
|
79 | - * @param \OC\Files\View $view |
|
80 | - * @param \OCP\Files\FileInfo $info |
|
81 | - * @param \OCP\Share\IManager $shareManager |
|
82 | - * @param \OC\AppFramework\Http\Request $request |
|
83 | - */ |
|
84 | - public function __construct(View $view, FileInfo $info, IManager $shareManager = null, Request $request = null) { |
|
85 | - parent::__construct($view, $info, $shareManager); |
|
86 | - |
|
87 | - if (isset($request)) { |
|
88 | - $this->request = $request; |
|
89 | - } else { |
|
90 | - $this->request = \OC::$server->getRequest(); |
|
91 | - } |
|
92 | - } |
|
93 | - |
|
94 | - /** |
|
95 | - * Updates the data |
|
96 | - * |
|
97 | - * The data argument is a readable stream resource. |
|
98 | - * |
|
99 | - * After a successful put operation, you may choose to return an ETag. The |
|
100 | - * etag must always be surrounded by double-quotes. These quotes must |
|
101 | - * appear in the actual string you're returning. |
|
102 | - * |
|
103 | - * Clients may use the ETag from a PUT request to later on make sure that |
|
104 | - * when they update the file, the contents haven't changed in the mean |
|
105 | - * time. |
|
106 | - * |
|
107 | - * If you don't plan to store the file byte-by-byte, and you return a |
|
108 | - * different object on a subsequent GET you are strongly recommended to not |
|
109 | - * return an ETag, and just return null. |
|
110 | - * |
|
111 | - * @param resource $data |
|
112 | - * |
|
113 | - * @throws Forbidden |
|
114 | - * @throws UnsupportedMediaType |
|
115 | - * @throws BadRequest |
|
116 | - * @throws Exception |
|
117 | - * @throws EntityTooLarge |
|
118 | - * @throws ServiceUnavailable |
|
119 | - * @throws FileLocked |
|
120 | - * @return string|null |
|
121 | - */ |
|
122 | - public function put($data) { |
|
123 | - try { |
|
124 | - $exists = $this->fileView->file_exists($this->path); |
|
125 | - if ($this->info && $exists && !$this->info->isUpdateable()) { |
|
126 | - throw new Forbidden(); |
|
127 | - } |
|
128 | - } catch (StorageNotAvailableException $e) { |
|
129 | - throw new ServiceUnavailable("File is not updatable: " . $e->getMessage()); |
|
130 | - } |
|
131 | - |
|
132 | - // verify path of the target |
|
133 | - $this->verifyPath(); |
|
134 | - |
|
135 | - // chunked handling |
|
136 | - if (isset($_SERVER['HTTP_OC_CHUNKED'])) { |
|
137 | - try { |
|
138 | - return $this->createFileChunked($data); |
|
139 | - } catch (\Exception $e) { |
|
140 | - $this->convertToSabreException($e); |
|
141 | - } |
|
142 | - } |
|
143 | - |
|
144 | - /** @var Storage $partStorage */ |
|
145 | - list($partStorage) = $this->fileView->resolvePath($this->path); |
|
146 | - $needsPartFile = $partStorage->needsPartFile() && (strlen($this->path) > 1); |
|
147 | - |
|
148 | - $view = \OC\Files\Filesystem::getView(); |
|
149 | - |
|
150 | - if ($needsPartFile) { |
|
151 | - // mark file as partial while uploading (ignored by the scanner) |
|
152 | - $partFilePath = $this->getPartFileBasePath($this->path) . '.ocTransferId' . rand() . '.part'; |
|
153 | - |
|
154 | - if (!$view->isCreatable($partFilePath) && $view->isUpdatable($this->path)) { |
|
155 | - $needsPartFile = false; |
|
156 | - } |
|
157 | - } |
|
158 | - if (!$needsPartFile) { |
|
159 | - // upload file directly as the final path |
|
160 | - $partFilePath = $this->path; |
|
161 | - |
|
162 | - if ($view && !$this->emitPreHooks($exists)) { |
|
163 | - throw new Exception('Could not write to final file, canceled by hook'); |
|
164 | - } |
|
165 | - } |
|
166 | - |
|
167 | - // the part file and target file might be on a different storage in case of a single file storage (e.g. single file share) |
|
168 | - /** @var \OC\Files\Storage\Storage $partStorage */ |
|
169 | - list($partStorage, $internalPartPath) = $this->fileView->resolvePath($partFilePath); |
|
170 | - /** @var \OC\Files\Storage\Storage $storage */ |
|
171 | - list($storage, $internalPath) = $this->fileView->resolvePath($this->path); |
|
172 | - try { |
|
173 | - if (!$needsPartFile) { |
|
174 | - $this->changeLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
175 | - } |
|
176 | - |
|
177 | - if (!is_resource($data)) { |
|
178 | - $tmpData = fopen('php://temp', 'r+'); |
|
179 | - if ($data !== null) { |
|
180 | - fwrite($tmpData, $data); |
|
181 | - rewind($tmpData); |
|
182 | - } |
|
183 | - $data = $tmpData; |
|
184 | - } |
|
185 | - |
|
186 | - $data = HashWrapper::wrap($data, 'md5', function ($hash) { |
|
187 | - $this->header('X-Hash-MD5: ' . $hash); |
|
188 | - }); |
|
189 | - $data = HashWrapper::wrap($data, 'sha1', function ($hash) { |
|
190 | - $this->header('X-Hash-SHA1: ' . $hash); |
|
191 | - }); |
|
192 | - $data = HashWrapper::wrap($data, 'sha256', function ($hash) { |
|
193 | - $this->header('X-Hash-SHA256: ' . $hash); |
|
194 | - }); |
|
195 | - |
|
196 | - if ($partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) { |
|
197 | - $isEOF = false; |
|
198 | - $wrappedData = CallbackWrapper::wrap($data, null, null, null, null, function ($stream) use (&$isEOF) { |
|
199 | - $isEOF = feof($stream); |
|
200 | - }); |
|
201 | - |
|
202 | - $count = $partStorage->writeStream($internalPartPath, $wrappedData); |
|
203 | - $result = $count > 0; |
|
204 | - |
|
205 | - if ($result === false) { |
|
206 | - $result = $isEOF; |
|
207 | - if (is_resource($wrappedData)) { |
|
208 | - $result = feof($wrappedData); |
|
209 | - } |
|
210 | - } |
|
211 | - } else { |
|
212 | - $target = $partStorage->fopen($internalPartPath, 'wb'); |
|
213 | - if ($target === false) { |
|
214 | - \OC::$server->getLogger()->error('\OC\Files\Filesystem::fopen() failed', ['app' => 'webdav']); |
|
215 | - // because we have no clue about the cause we can only throw back a 500/Internal Server Error |
|
216 | - throw new Exception('Could not write file contents'); |
|
217 | - } |
|
218 | - list($count, $result) = \OC_Helper::streamCopy($data, $target); |
|
219 | - fclose($target); |
|
220 | - } |
|
221 | - |
|
222 | - if ($result === false) { |
|
223 | - $expected = -1; |
|
224 | - if (isset($_SERVER['CONTENT_LENGTH'])) { |
|
225 | - $expected = $_SERVER['CONTENT_LENGTH']; |
|
226 | - } |
|
227 | - if ($expected !== "0") { |
|
228 | - throw new Exception('Error while copying file to target location (copied bytes: ' . $count . ', expected filesize: ' . $expected . ' )'); |
|
229 | - } |
|
230 | - } |
|
231 | - |
|
232 | - // if content length is sent by client: |
|
233 | - // double check if the file was fully received |
|
234 | - // compare expected and actual size |
|
235 | - if (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
|
236 | - $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
237 | - if ($count !== $expected) { |
|
238 | - throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $count . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
239 | - } |
|
240 | - } |
|
241 | - } catch (\Exception $e) { |
|
242 | - $context = []; |
|
243 | - |
|
244 | - if ($e instanceof LockedException) { |
|
245 | - $context['level'] = ILogger::DEBUG; |
|
246 | - } |
|
247 | - |
|
248 | - \OC::$server->getLogger()->logException($e, $context); |
|
249 | - if ($needsPartFile) { |
|
250 | - $partStorage->unlink($internalPartPath); |
|
251 | - } |
|
252 | - $this->convertToSabreException($e); |
|
253 | - } |
|
254 | - |
|
255 | - try { |
|
256 | - if ($needsPartFile) { |
|
257 | - if ($view && !$this->emitPreHooks($exists)) { |
|
258 | - $partStorage->unlink($internalPartPath); |
|
259 | - throw new Exception('Could not rename part file to final file, canceled by hook'); |
|
260 | - } |
|
261 | - try { |
|
262 | - $this->changeLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
263 | - } catch (LockedException $e) { |
|
264 | - // during very large uploads, the shared lock we got at the start might have been expired |
|
265 | - // meaning that the above lock can fail not just only because somebody else got a shared lock |
|
266 | - // or because there is no existing shared lock to make exclusive |
|
267 | - // |
|
268 | - // Thus we try to get a new exclusive lock, if the original lock failed because of a different shared |
|
269 | - // lock this will still fail, if our original shared lock expired the new lock will be successful and |
|
270 | - // the entire operation will be safe |
|
271 | - |
|
272 | - try { |
|
273 | - $this->acquireLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
274 | - } catch (LockedException $ex) { |
|
275 | - if ($needsPartFile) { |
|
276 | - $partStorage->unlink($internalPartPath); |
|
277 | - } |
|
278 | - throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
279 | - } |
|
280 | - } |
|
281 | - |
|
282 | - // rename to correct path |
|
283 | - try { |
|
284 | - $renameOkay = $storage->moveFromStorage($partStorage, $internalPartPath, $internalPath); |
|
285 | - $fileExists = $storage->file_exists($internalPath); |
|
286 | - if ($renameOkay === false || $fileExists === false) { |
|
287 | - \OC::$server->getLogger()->error('renaming part file to final file failed $renameOkay: ' . ($renameOkay ? 'true' : 'false') . ', $fileExists: ' . ($fileExists ? 'true' : 'false') . ')', ['app' => 'webdav']); |
|
288 | - throw new Exception('Could not rename part file to final file'); |
|
289 | - } |
|
290 | - } catch (ForbiddenException $ex) { |
|
291 | - throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
292 | - } catch (\Exception $e) { |
|
293 | - $partStorage->unlink($internalPartPath); |
|
294 | - $this->convertToSabreException($e); |
|
295 | - } |
|
296 | - } |
|
297 | - |
|
298 | - // since we skipped the view we need to scan and emit the hooks ourselves |
|
299 | - $storage->getUpdater()->update($internalPath); |
|
300 | - |
|
301 | - try { |
|
302 | - $this->changeLock(ILockingProvider::LOCK_SHARED); |
|
303 | - } catch (LockedException $e) { |
|
304 | - throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
305 | - } |
|
306 | - |
|
307 | - // allow sync clients to send the mtime along in a header |
|
308 | - if (isset($this->request->server['HTTP_X_OC_MTIME'])) { |
|
309 | - $mtime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_MTIME']); |
|
310 | - if ($this->fileView->touch($this->path, $mtime)) { |
|
311 | - $this->header('X-OC-MTime: accepted'); |
|
312 | - } |
|
313 | - } |
|
314 | - |
|
315 | - $fileInfoUpdate = [ |
|
316 | - 'upload_time' => time() |
|
317 | - ]; |
|
318 | - |
|
319 | - // allow sync clients to send the creation time along in a header |
|
320 | - if (isset($this->request->server['HTTP_X_OC_CTIME'])) { |
|
321 | - $ctime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_CTIME']); |
|
322 | - $fileInfoUpdate['creation_time'] = $ctime; |
|
323 | - $this->header('X-OC-CTime: accepted'); |
|
324 | - } |
|
325 | - |
|
326 | - $this->fileView->putFileInfo($this->path, $fileInfoUpdate); |
|
327 | - |
|
328 | - if ($view) { |
|
329 | - $this->emitPostHooks($exists); |
|
330 | - } |
|
331 | - |
|
332 | - $this->refreshInfo(); |
|
333 | - |
|
334 | - if (isset($this->request->server['HTTP_OC_CHECKSUM'])) { |
|
335 | - $checksum = trim($this->request->server['HTTP_OC_CHECKSUM']); |
|
336 | - $this->fileView->putFileInfo($this->path, ['checksum' => $checksum]); |
|
337 | - $this->refreshInfo(); |
|
338 | - } elseif ($this->getChecksum() !== null && $this->getChecksum() !== '') { |
|
339 | - $this->fileView->putFileInfo($this->path, ['checksum' => '']); |
|
340 | - $this->refreshInfo(); |
|
341 | - } |
|
342 | - } catch (StorageNotAvailableException $e) { |
|
343 | - throw new ServiceUnavailable("Failed to check file size: " . $e->getMessage(), 0, $e); |
|
344 | - } |
|
345 | - |
|
346 | - return '"' . $this->info->getEtag() . '"'; |
|
347 | - } |
|
348 | - |
|
349 | - private function getPartFileBasePath($path) { |
|
350 | - $partFileInStorage = \OC::$server->getConfig()->getSystemValue('part_file_in_storage', true); |
|
351 | - if ($partFileInStorage) { |
|
352 | - return $path; |
|
353 | - } else { |
|
354 | - return md5($path); // will place it in the root of the view with a unique name |
|
355 | - } |
|
356 | - } |
|
357 | - |
|
358 | - /** |
|
359 | - * @param string $path |
|
360 | - */ |
|
361 | - private function emitPreHooks($exists, $path = null) { |
|
362 | - if (is_null($path)) { |
|
363 | - $path = $this->path; |
|
364 | - } |
|
365 | - $hookPath = Filesystem::getView()->getRelativePath($this->fileView->getAbsolutePath($path)); |
|
366 | - $run = true; |
|
367 | - |
|
368 | - if (!$exists) { |
|
369 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_create, [ |
|
370 | - \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
371 | - \OC\Files\Filesystem::signal_param_run => &$run, |
|
372 | - ]); |
|
373 | - } else { |
|
374 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_update, [ |
|
375 | - \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
376 | - \OC\Files\Filesystem::signal_param_run => &$run, |
|
377 | - ]); |
|
378 | - } |
|
379 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_write, [ |
|
380 | - \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
381 | - \OC\Files\Filesystem::signal_param_run => &$run, |
|
382 | - ]); |
|
383 | - return $run; |
|
384 | - } |
|
385 | - |
|
386 | - /** |
|
387 | - * @param string $path |
|
388 | - */ |
|
389 | - private function emitPostHooks($exists, $path = null) { |
|
390 | - if (is_null($path)) { |
|
391 | - $path = $this->path; |
|
392 | - } |
|
393 | - $hookPath = Filesystem::getView()->getRelativePath($this->fileView->getAbsolutePath($path)); |
|
394 | - if (!$exists) { |
|
395 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_create, [ |
|
396 | - \OC\Files\Filesystem::signal_param_path => $hookPath |
|
397 | - ]); |
|
398 | - } else { |
|
399 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_update, [ |
|
400 | - \OC\Files\Filesystem::signal_param_path => $hookPath |
|
401 | - ]); |
|
402 | - } |
|
403 | - \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_write, [ |
|
404 | - \OC\Files\Filesystem::signal_param_path => $hookPath |
|
405 | - ]); |
|
406 | - } |
|
407 | - |
|
408 | - /** |
|
409 | - * Returns the data |
|
410 | - * |
|
411 | - * @return resource |
|
412 | - * @throws Forbidden |
|
413 | - * @throws ServiceUnavailable |
|
414 | - */ |
|
415 | - public function get() { |
|
416 | - //throw exception if encryption is disabled but files are still encrypted |
|
417 | - try { |
|
418 | - if (!$this->info->isReadable()) { |
|
419 | - // do a if the file did not exist |
|
420 | - throw new NotFound(); |
|
421 | - } |
|
422 | - try { |
|
423 | - $res = $this->fileView->fopen(ltrim($this->path, '/'), 'rb'); |
|
424 | - } catch (\Exception $e) { |
|
425 | - $this->convertToSabreException($e); |
|
426 | - } |
|
427 | - if ($res === false) { |
|
428 | - throw new ServiceUnavailable("Could not open file"); |
|
429 | - } |
|
430 | - return $res; |
|
431 | - } catch (GenericEncryptionException $e) { |
|
432 | - // returning 503 will allow retry of the operation at a later point in time |
|
433 | - throw new ServiceUnavailable("Encryption not ready: " . $e->getMessage()); |
|
434 | - } catch (StorageNotAvailableException $e) { |
|
435 | - throw new ServiceUnavailable("Failed to open file: " . $e->getMessage()); |
|
436 | - } catch (ForbiddenException $ex) { |
|
437 | - throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
438 | - } catch (LockedException $e) { |
|
439 | - throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
440 | - } |
|
441 | - } |
|
442 | - |
|
443 | - /** |
|
444 | - * Delete the current file |
|
445 | - * |
|
446 | - * @throws Forbidden |
|
447 | - * @throws ServiceUnavailable |
|
448 | - */ |
|
449 | - public function delete() { |
|
450 | - if (!$this->info->isDeletable()) { |
|
451 | - throw new Forbidden(); |
|
452 | - } |
|
453 | - |
|
454 | - try { |
|
455 | - if (!$this->fileView->unlink($this->path)) { |
|
456 | - // assume it wasn't possible to delete due to permissions |
|
457 | - throw new Forbidden(); |
|
458 | - } |
|
459 | - } catch (StorageNotAvailableException $e) { |
|
460 | - throw new ServiceUnavailable("Failed to unlink: " . $e->getMessage()); |
|
461 | - } catch (ForbiddenException $ex) { |
|
462 | - throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
463 | - } catch (LockedException $e) { |
|
464 | - throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
465 | - } |
|
466 | - } |
|
467 | - |
|
468 | - /** |
|
469 | - * Returns the mime-type for a file |
|
470 | - * |
|
471 | - * If null is returned, we'll assume application/octet-stream |
|
472 | - * |
|
473 | - * @return string |
|
474 | - */ |
|
475 | - public function getContentType() { |
|
476 | - $mimeType = $this->info->getMimetype(); |
|
477 | - |
|
478 | - // PROPFIND needs to return the correct mime type, for consistency with the web UI |
|
479 | - if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') { |
|
480 | - return $mimeType; |
|
481 | - } |
|
482 | - return \OC::$server->getMimeTypeDetector()->getSecureMimeType($mimeType); |
|
483 | - } |
|
484 | - |
|
485 | - /** |
|
486 | - * @return array|false |
|
487 | - */ |
|
488 | - public function getDirectDownload() { |
|
489 | - if (\OCP\App::isEnabled('encryption')) { |
|
490 | - return []; |
|
491 | - } |
|
492 | - /** @var \OCP\Files\Storage $storage */ |
|
493 | - list($storage, $internalPath) = $this->fileView->resolvePath($this->path); |
|
494 | - if (is_null($storage)) { |
|
495 | - return []; |
|
496 | - } |
|
497 | - |
|
498 | - return $storage->getDirectDownload($internalPath); |
|
499 | - } |
|
500 | - |
|
501 | - /** |
|
502 | - * @param resource $data |
|
503 | - * @return null|string |
|
504 | - * @throws Exception |
|
505 | - * @throws BadRequest |
|
506 | - * @throws NotImplemented |
|
507 | - * @throws ServiceUnavailable |
|
508 | - */ |
|
509 | - private function createFileChunked($data) { |
|
510 | - list($path, $name) = \Sabre\Uri\split($this->path); |
|
511 | - |
|
512 | - $info = \OC_FileChunking::decodeName($name); |
|
513 | - if (empty($info)) { |
|
514 | - throw new NotImplemented('Invalid chunk name'); |
|
515 | - } |
|
516 | - |
|
517 | - $chunk_handler = new \OC_FileChunking($info); |
|
518 | - $bytesWritten = $chunk_handler->store($info['index'], $data); |
|
519 | - |
|
520 | - //detect aborted upload |
|
521 | - if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
|
522 | - if (isset($_SERVER['CONTENT_LENGTH'])) { |
|
523 | - $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
524 | - if ($bytesWritten !== $expected) { |
|
525 | - $chunk_handler->remove($info['index']); |
|
526 | - throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $bytesWritten . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
527 | - } |
|
528 | - } |
|
529 | - } |
|
530 | - |
|
531 | - if ($chunk_handler->isComplete()) { |
|
532 | - /** @var Storage $storage */ |
|
533 | - list($storage,) = $this->fileView->resolvePath($path); |
|
534 | - $needsPartFile = $storage->needsPartFile(); |
|
535 | - $partFile = null; |
|
536 | - |
|
537 | - $targetPath = $path . '/' . $info['name']; |
|
538 | - /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
539 | - list($targetStorage, $targetInternalPath) = $this->fileView->resolvePath($targetPath); |
|
540 | - |
|
541 | - $exists = $this->fileView->file_exists($targetPath); |
|
542 | - |
|
543 | - try { |
|
544 | - $this->fileView->lockFile($targetPath, ILockingProvider::LOCK_SHARED); |
|
545 | - |
|
546 | - $this->emitPreHooks($exists, $targetPath); |
|
547 | - $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_EXCLUSIVE); |
|
548 | - /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
549 | - list($targetStorage, $targetInternalPath) = $this->fileView->resolvePath($targetPath); |
|
550 | - |
|
551 | - if ($needsPartFile) { |
|
552 | - // we first assembly the target file as a part file |
|
553 | - $partFile = $this->getPartFileBasePath($path . '/' . $info['name']) . '.ocTransferId' . $info['transferid'] . '.part'; |
|
554 | - /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
555 | - list($partStorage, $partInternalPath) = $this->fileView->resolvePath($partFile); |
|
556 | - |
|
557 | - |
|
558 | - $chunk_handler->file_assemble($partStorage, $partInternalPath); |
|
559 | - |
|
560 | - // here is the final atomic rename |
|
561 | - $renameOkay = $targetStorage->moveFromStorage($partStorage, $partInternalPath, $targetInternalPath); |
|
562 | - $fileExists = $targetStorage->file_exists($targetInternalPath); |
|
563 | - if ($renameOkay === false || $fileExists === false) { |
|
564 | - \OC::$server->getLogger()->error('\OC\Files\Filesystem::rename() failed', ['app' => 'webdav']); |
|
565 | - // only delete if an error occurred and the target file was already created |
|
566 | - if ($fileExists) { |
|
567 | - // set to null to avoid double-deletion when handling exception |
|
568 | - // stray part file |
|
569 | - $partFile = null; |
|
570 | - $targetStorage->unlink($targetInternalPath); |
|
571 | - } |
|
572 | - $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_SHARED); |
|
573 | - throw new Exception('Could not rename part file assembled from chunks'); |
|
574 | - } |
|
575 | - } else { |
|
576 | - // assemble directly into the final file |
|
577 | - $chunk_handler->file_assemble($targetStorage, $targetInternalPath); |
|
578 | - } |
|
579 | - |
|
580 | - // allow sync clients to send the mtime along in a header |
|
581 | - if (isset($this->request->server['HTTP_X_OC_MTIME'])) { |
|
582 | - $mtime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_MTIME']); |
|
583 | - if ($targetStorage->touch($targetInternalPath, $mtime)) { |
|
584 | - $this->header('X-OC-MTime: accepted'); |
|
585 | - } |
|
586 | - } |
|
587 | - |
|
588 | - // since we skipped the view we need to scan and emit the hooks ourselves |
|
589 | - $targetStorage->getUpdater()->update($targetInternalPath); |
|
590 | - |
|
591 | - $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_SHARED); |
|
592 | - |
|
593 | - $this->emitPostHooks($exists, $targetPath); |
|
594 | - |
|
595 | - // FIXME: should call refreshInfo but can't because $this->path is not the of the final file |
|
596 | - $info = $this->fileView->getFileInfo($targetPath); |
|
597 | - |
|
598 | - if (isset($this->request->server['HTTP_OC_CHECKSUM'])) { |
|
599 | - $checksum = trim($this->request->server['HTTP_OC_CHECKSUM']); |
|
600 | - $this->fileView->putFileInfo($targetPath, ['checksum' => $checksum]); |
|
601 | - } elseif ($info->getChecksum() !== null && $info->getChecksum() !== '') { |
|
602 | - $this->fileView->putFileInfo($this->path, ['checksum' => '']); |
|
603 | - } |
|
604 | - |
|
605 | - $this->fileView->unlockFile($targetPath, ILockingProvider::LOCK_SHARED); |
|
606 | - |
|
607 | - return $info->getEtag(); |
|
608 | - } catch (\Exception $e) { |
|
609 | - if ($partFile !== null) { |
|
610 | - $targetStorage->unlink($targetInternalPath); |
|
611 | - } |
|
612 | - $this->convertToSabreException($e); |
|
613 | - } |
|
614 | - } |
|
615 | - |
|
616 | - return null; |
|
617 | - } |
|
618 | - |
|
619 | - /** |
|
620 | - * Convert the given exception to a SabreException instance |
|
621 | - * |
|
622 | - * @param \Exception $e |
|
623 | - * |
|
624 | - * @throws \Sabre\DAV\Exception |
|
625 | - */ |
|
626 | - private function convertToSabreException(\Exception $e) { |
|
627 | - if ($e instanceof \Sabre\DAV\Exception) { |
|
628 | - throw $e; |
|
629 | - } |
|
630 | - if ($e instanceof NotPermittedException) { |
|
631 | - // a more general case - due to whatever reason the content could not be written |
|
632 | - throw new Forbidden($e->getMessage(), 0, $e); |
|
633 | - } |
|
634 | - if ($e instanceof ForbiddenException) { |
|
635 | - // the path for the file was forbidden |
|
636 | - throw new DAVForbiddenException($e->getMessage(), $e->getRetry(), $e); |
|
637 | - } |
|
638 | - if ($e instanceof EntityTooLargeException) { |
|
639 | - // the file is too big to be stored |
|
640 | - throw new EntityTooLarge($e->getMessage(), 0, $e); |
|
641 | - } |
|
642 | - if ($e instanceof InvalidContentException) { |
|
643 | - // the file content is not permitted |
|
644 | - throw new UnsupportedMediaType($e->getMessage(), 0, $e); |
|
645 | - } |
|
646 | - if ($e instanceof InvalidPathException) { |
|
647 | - // the path for the file was not valid |
|
648 | - // TODO: find proper http status code for this case |
|
649 | - throw new Forbidden($e->getMessage(), 0, $e); |
|
650 | - } |
|
651 | - if ($e instanceof LockedException || $e instanceof LockNotAcquiredException) { |
|
652 | - // the file is currently being written to by another process |
|
653 | - throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
654 | - } |
|
655 | - if ($e instanceof GenericEncryptionException) { |
|
656 | - // returning 503 will allow retry of the operation at a later point in time |
|
657 | - throw new ServiceUnavailable('Encryption not ready: ' . $e->getMessage(), 0, $e); |
|
658 | - } |
|
659 | - if ($e instanceof StorageNotAvailableException) { |
|
660 | - throw new ServiceUnavailable('Failed to write file contents: ' . $e->getMessage(), 0, $e); |
|
661 | - } |
|
662 | - if ($e instanceof NotFoundException) { |
|
663 | - throw new NotFound('File not found: ' . $e->getMessage(), 0, $e); |
|
664 | - } |
|
665 | - |
|
666 | - throw new \Sabre\DAV\Exception($e->getMessage(), 0, $e); |
|
667 | - } |
|
668 | - |
|
669 | - /** |
|
670 | - * Get the checksum for this file |
|
671 | - * |
|
672 | - * @return string |
|
673 | - */ |
|
674 | - public function getChecksum() { |
|
675 | - return $this->info->getChecksum(); |
|
676 | - } |
|
677 | - |
|
678 | - protected function header($string) { |
|
679 | - if (!\OC::$CLI) { |
|
680 | - \header($string); |
|
681 | - } |
|
682 | - } |
|
74 | + protected $request; |
|
75 | + |
|
76 | + /** |
|
77 | + * Sets up the node, expects a full path name |
|
78 | + * |
|
79 | + * @param \OC\Files\View $view |
|
80 | + * @param \OCP\Files\FileInfo $info |
|
81 | + * @param \OCP\Share\IManager $shareManager |
|
82 | + * @param \OC\AppFramework\Http\Request $request |
|
83 | + */ |
|
84 | + public function __construct(View $view, FileInfo $info, IManager $shareManager = null, Request $request = null) { |
|
85 | + parent::__construct($view, $info, $shareManager); |
|
86 | + |
|
87 | + if (isset($request)) { |
|
88 | + $this->request = $request; |
|
89 | + } else { |
|
90 | + $this->request = \OC::$server->getRequest(); |
|
91 | + } |
|
92 | + } |
|
93 | + |
|
94 | + /** |
|
95 | + * Updates the data |
|
96 | + * |
|
97 | + * The data argument is a readable stream resource. |
|
98 | + * |
|
99 | + * After a successful put operation, you may choose to return an ETag. The |
|
100 | + * etag must always be surrounded by double-quotes. These quotes must |
|
101 | + * appear in the actual string you're returning. |
|
102 | + * |
|
103 | + * Clients may use the ETag from a PUT request to later on make sure that |
|
104 | + * when they update the file, the contents haven't changed in the mean |
|
105 | + * time. |
|
106 | + * |
|
107 | + * If you don't plan to store the file byte-by-byte, and you return a |
|
108 | + * different object on a subsequent GET you are strongly recommended to not |
|
109 | + * return an ETag, and just return null. |
|
110 | + * |
|
111 | + * @param resource $data |
|
112 | + * |
|
113 | + * @throws Forbidden |
|
114 | + * @throws UnsupportedMediaType |
|
115 | + * @throws BadRequest |
|
116 | + * @throws Exception |
|
117 | + * @throws EntityTooLarge |
|
118 | + * @throws ServiceUnavailable |
|
119 | + * @throws FileLocked |
|
120 | + * @return string|null |
|
121 | + */ |
|
122 | + public function put($data) { |
|
123 | + try { |
|
124 | + $exists = $this->fileView->file_exists($this->path); |
|
125 | + if ($this->info && $exists && !$this->info->isUpdateable()) { |
|
126 | + throw new Forbidden(); |
|
127 | + } |
|
128 | + } catch (StorageNotAvailableException $e) { |
|
129 | + throw new ServiceUnavailable("File is not updatable: " . $e->getMessage()); |
|
130 | + } |
|
131 | + |
|
132 | + // verify path of the target |
|
133 | + $this->verifyPath(); |
|
134 | + |
|
135 | + // chunked handling |
|
136 | + if (isset($_SERVER['HTTP_OC_CHUNKED'])) { |
|
137 | + try { |
|
138 | + return $this->createFileChunked($data); |
|
139 | + } catch (\Exception $e) { |
|
140 | + $this->convertToSabreException($e); |
|
141 | + } |
|
142 | + } |
|
143 | + |
|
144 | + /** @var Storage $partStorage */ |
|
145 | + list($partStorage) = $this->fileView->resolvePath($this->path); |
|
146 | + $needsPartFile = $partStorage->needsPartFile() && (strlen($this->path) > 1); |
|
147 | + |
|
148 | + $view = \OC\Files\Filesystem::getView(); |
|
149 | + |
|
150 | + if ($needsPartFile) { |
|
151 | + // mark file as partial while uploading (ignored by the scanner) |
|
152 | + $partFilePath = $this->getPartFileBasePath($this->path) . '.ocTransferId' . rand() . '.part'; |
|
153 | + |
|
154 | + if (!$view->isCreatable($partFilePath) && $view->isUpdatable($this->path)) { |
|
155 | + $needsPartFile = false; |
|
156 | + } |
|
157 | + } |
|
158 | + if (!$needsPartFile) { |
|
159 | + // upload file directly as the final path |
|
160 | + $partFilePath = $this->path; |
|
161 | + |
|
162 | + if ($view && !$this->emitPreHooks($exists)) { |
|
163 | + throw new Exception('Could not write to final file, canceled by hook'); |
|
164 | + } |
|
165 | + } |
|
166 | + |
|
167 | + // the part file and target file might be on a different storage in case of a single file storage (e.g. single file share) |
|
168 | + /** @var \OC\Files\Storage\Storage $partStorage */ |
|
169 | + list($partStorage, $internalPartPath) = $this->fileView->resolvePath($partFilePath); |
|
170 | + /** @var \OC\Files\Storage\Storage $storage */ |
|
171 | + list($storage, $internalPath) = $this->fileView->resolvePath($this->path); |
|
172 | + try { |
|
173 | + if (!$needsPartFile) { |
|
174 | + $this->changeLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
175 | + } |
|
176 | + |
|
177 | + if (!is_resource($data)) { |
|
178 | + $tmpData = fopen('php://temp', 'r+'); |
|
179 | + if ($data !== null) { |
|
180 | + fwrite($tmpData, $data); |
|
181 | + rewind($tmpData); |
|
182 | + } |
|
183 | + $data = $tmpData; |
|
184 | + } |
|
185 | + |
|
186 | + $data = HashWrapper::wrap($data, 'md5', function ($hash) { |
|
187 | + $this->header('X-Hash-MD5: ' . $hash); |
|
188 | + }); |
|
189 | + $data = HashWrapper::wrap($data, 'sha1', function ($hash) { |
|
190 | + $this->header('X-Hash-SHA1: ' . $hash); |
|
191 | + }); |
|
192 | + $data = HashWrapper::wrap($data, 'sha256', function ($hash) { |
|
193 | + $this->header('X-Hash-SHA256: ' . $hash); |
|
194 | + }); |
|
195 | + |
|
196 | + if ($partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) { |
|
197 | + $isEOF = false; |
|
198 | + $wrappedData = CallbackWrapper::wrap($data, null, null, null, null, function ($stream) use (&$isEOF) { |
|
199 | + $isEOF = feof($stream); |
|
200 | + }); |
|
201 | + |
|
202 | + $count = $partStorage->writeStream($internalPartPath, $wrappedData); |
|
203 | + $result = $count > 0; |
|
204 | + |
|
205 | + if ($result === false) { |
|
206 | + $result = $isEOF; |
|
207 | + if (is_resource($wrappedData)) { |
|
208 | + $result = feof($wrappedData); |
|
209 | + } |
|
210 | + } |
|
211 | + } else { |
|
212 | + $target = $partStorage->fopen($internalPartPath, 'wb'); |
|
213 | + if ($target === false) { |
|
214 | + \OC::$server->getLogger()->error('\OC\Files\Filesystem::fopen() failed', ['app' => 'webdav']); |
|
215 | + // because we have no clue about the cause we can only throw back a 500/Internal Server Error |
|
216 | + throw new Exception('Could not write file contents'); |
|
217 | + } |
|
218 | + list($count, $result) = \OC_Helper::streamCopy($data, $target); |
|
219 | + fclose($target); |
|
220 | + } |
|
221 | + |
|
222 | + if ($result === false) { |
|
223 | + $expected = -1; |
|
224 | + if (isset($_SERVER['CONTENT_LENGTH'])) { |
|
225 | + $expected = $_SERVER['CONTENT_LENGTH']; |
|
226 | + } |
|
227 | + if ($expected !== "0") { |
|
228 | + throw new Exception('Error while copying file to target location (copied bytes: ' . $count . ', expected filesize: ' . $expected . ' )'); |
|
229 | + } |
|
230 | + } |
|
231 | + |
|
232 | + // if content length is sent by client: |
|
233 | + // double check if the file was fully received |
|
234 | + // compare expected and actual size |
|
235 | + if (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
|
236 | + $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
237 | + if ($count !== $expected) { |
|
238 | + throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $count . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
239 | + } |
|
240 | + } |
|
241 | + } catch (\Exception $e) { |
|
242 | + $context = []; |
|
243 | + |
|
244 | + if ($e instanceof LockedException) { |
|
245 | + $context['level'] = ILogger::DEBUG; |
|
246 | + } |
|
247 | + |
|
248 | + \OC::$server->getLogger()->logException($e, $context); |
|
249 | + if ($needsPartFile) { |
|
250 | + $partStorage->unlink($internalPartPath); |
|
251 | + } |
|
252 | + $this->convertToSabreException($e); |
|
253 | + } |
|
254 | + |
|
255 | + try { |
|
256 | + if ($needsPartFile) { |
|
257 | + if ($view && !$this->emitPreHooks($exists)) { |
|
258 | + $partStorage->unlink($internalPartPath); |
|
259 | + throw new Exception('Could not rename part file to final file, canceled by hook'); |
|
260 | + } |
|
261 | + try { |
|
262 | + $this->changeLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
263 | + } catch (LockedException $e) { |
|
264 | + // during very large uploads, the shared lock we got at the start might have been expired |
|
265 | + // meaning that the above lock can fail not just only because somebody else got a shared lock |
|
266 | + // or because there is no existing shared lock to make exclusive |
|
267 | + // |
|
268 | + // Thus we try to get a new exclusive lock, if the original lock failed because of a different shared |
|
269 | + // lock this will still fail, if our original shared lock expired the new lock will be successful and |
|
270 | + // the entire operation will be safe |
|
271 | + |
|
272 | + try { |
|
273 | + $this->acquireLock(ILockingProvider::LOCK_EXCLUSIVE); |
|
274 | + } catch (LockedException $ex) { |
|
275 | + if ($needsPartFile) { |
|
276 | + $partStorage->unlink($internalPartPath); |
|
277 | + } |
|
278 | + throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
279 | + } |
|
280 | + } |
|
281 | + |
|
282 | + // rename to correct path |
|
283 | + try { |
|
284 | + $renameOkay = $storage->moveFromStorage($partStorage, $internalPartPath, $internalPath); |
|
285 | + $fileExists = $storage->file_exists($internalPath); |
|
286 | + if ($renameOkay === false || $fileExists === false) { |
|
287 | + \OC::$server->getLogger()->error('renaming part file to final file failed $renameOkay: ' . ($renameOkay ? 'true' : 'false') . ', $fileExists: ' . ($fileExists ? 'true' : 'false') . ')', ['app' => 'webdav']); |
|
288 | + throw new Exception('Could not rename part file to final file'); |
|
289 | + } |
|
290 | + } catch (ForbiddenException $ex) { |
|
291 | + throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
292 | + } catch (\Exception $e) { |
|
293 | + $partStorage->unlink($internalPartPath); |
|
294 | + $this->convertToSabreException($e); |
|
295 | + } |
|
296 | + } |
|
297 | + |
|
298 | + // since we skipped the view we need to scan and emit the hooks ourselves |
|
299 | + $storage->getUpdater()->update($internalPath); |
|
300 | + |
|
301 | + try { |
|
302 | + $this->changeLock(ILockingProvider::LOCK_SHARED); |
|
303 | + } catch (LockedException $e) { |
|
304 | + throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
305 | + } |
|
306 | + |
|
307 | + // allow sync clients to send the mtime along in a header |
|
308 | + if (isset($this->request->server['HTTP_X_OC_MTIME'])) { |
|
309 | + $mtime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_MTIME']); |
|
310 | + if ($this->fileView->touch($this->path, $mtime)) { |
|
311 | + $this->header('X-OC-MTime: accepted'); |
|
312 | + } |
|
313 | + } |
|
314 | + |
|
315 | + $fileInfoUpdate = [ |
|
316 | + 'upload_time' => time() |
|
317 | + ]; |
|
318 | + |
|
319 | + // allow sync clients to send the creation time along in a header |
|
320 | + if (isset($this->request->server['HTTP_X_OC_CTIME'])) { |
|
321 | + $ctime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_CTIME']); |
|
322 | + $fileInfoUpdate['creation_time'] = $ctime; |
|
323 | + $this->header('X-OC-CTime: accepted'); |
|
324 | + } |
|
325 | + |
|
326 | + $this->fileView->putFileInfo($this->path, $fileInfoUpdate); |
|
327 | + |
|
328 | + if ($view) { |
|
329 | + $this->emitPostHooks($exists); |
|
330 | + } |
|
331 | + |
|
332 | + $this->refreshInfo(); |
|
333 | + |
|
334 | + if (isset($this->request->server['HTTP_OC_CHECKSUM'])) { |
|
335 | + $checksum = trim($this->request->server['HTTP_OC_CHECKSUM']); |
|
336 | + $this->fileView->putFileInfo($this->path, ['checksum' => $checksum]); |
|
337 | + $this->refreshInfo(); |
|
338 | + } elseif ($this->getChecksum() !== null && $this->getChecksum() !== '') { |
|
339 | + $this->fileView->putFileInfo($this->path, ['checksum' => '']); |
|
340 | + $this->refreshInfo(); |
|
341 | + } |
|
342 | + } catch (StorageNotAvailableException $e) { |
|
343 | + throw new ServiceUnavailable("Failed to check file size: " . $e->getMessage(), 0, $e); |
|
344 | + } |
|
345 | + |
|
346 | + return '"' . $this->info->getEtag() . '"'; |
|
347 | + } |
|
348 | + |
|
349 | + private function getPartFileBasePath($path) { |
|
350 | + $partFileInStorage = \OC::$server->getConfig()->getSystemValue('part_file_in_storage', true); |
|
351 | + if ($partFileInStorage) { |
|
352 | + return $path; |
|
353 | + } else { |
|
354 | + return md5($path); // will place it in the root of the view with a unique name |
|
355 | + } |
|
356 | + } |
|
357 | + |
|
358 | + /** |
|
359 | + * @param string $path |
|
360 | + */ |
|
361 | + private function emitPreHooks($exists, $path = null) { |
|
362 | + if (is_null($path)) { |
|
363 | + $path = $this->path; |
|
364 | + } |
|
365 | + $hookPath = Filesystem::getView()->getRelativePath($this->fileView->getAbsolutePath($path)); |
|
366 | + $run = true; |
|
367 | + |
|
368 | + if (!$exists) { |
|
369 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_create, [ |
|
370 | + \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
371 | + \OC\Files\Filesystem::signal_param_run => &$run, |
|
372 | + ]); |
|
373 | + } else { |
|
374 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_update, [ |
|
375 | + \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
376 | + \OC\Files\Filesystem::signal_param_run => &$run, |
|
377 | + ]); |
|
378 | + } |
|
379 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_write, [ |
|
380 | + \OC\Files\Filesystem::signal_param_path => $hookPath, |
|
381 | + \OC\Files\Filesystem::signal_param_run => &$run, |
|
382 | + ]); |
|
383 | + return $run; |
|
384 | + } |
|
385 | + |
|
386 | + /** |
|
387 | + * @param string $path |
|
388 | + */ |
|
389 | + private function emitPostHooks($exists, $path = null) { |
|
390 | + if (is_null($path)) { |
|
391 | + $path = $this->path; |
|
392 | + } |
|
393 | + $hookPath = Filesystem::getView()->getRelativePath($this->fileView->getAbsolutePath($path)); |
|
394 | + if (!$exists) { |
|
395 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_create, [ |
|
396 | + \OC\Files\Filesystem::signal_param_path => $hookPath |
|
397 | + ]); |
|
398 | + } else { |
|
399 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_update, [ |
|
400 | + \OC\Files\Filesystem::signal_param_path => $hookPath |
|
401 | + ]); |
|
402 | + } |
|
403 | + \OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_write, [ |
|
404 | + \OC\Files\Filesystem::signal_param_path => $hookPath |
|
405 | + ]); |
|
406 | + } |
|
407 | + |
|
408 | + /** |
|
409 | + * Returns the data |
|
410 | + * |
|
411 | + * @return resource |
|
412 | + * @throws Forbidden |
|
413 | + * @throws ServiceUnavailable |
|
414 | + */ |
|
415 | + public function get() { |
|
416 | + //throw exception if encryption is disabled but files are still encrypted |
|
417 | + try { |
|
418 | + if (!$this->info->isReadable()) { |
|
419 | + // do a if the file did not exist |
|
420 | + throw new NotFound(); |
|
421 | + } |
|
422 | + try { |
|
423 | + $res = $this->fileView->fopen(ltrim($this->path, '/'), 'rb'); |
|
424 | + } catch (\Exception $e) { |
|
425 | + $this->convertToSabreException($e); |
|
426 | + } |
|
427 | + if ($res === false) { |
|
428 | + throw new ServiceUnavailable("Could not open file"); |
|
429 | + } |
|
430 | + return $res; |
|
431 | + } catch (GenericEncryptionException $e) { |
|
432 | + // returning 503 will allow retry of the operation at a later point in time |
|
433 | + throw new ServiceUnavailable("Encryption not ready: " . $e->getMessage()); |
|
434 | + } catch (StorageNotAvailableException $e) { |
|
435 | + throw new ServiceUnavailable("Failed to open file: " . $e->getMessage()); |
|
436 | + } catch (ForbiddenException $ex) { |
|
437 | + throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
438 | + } catch (LockedException $e) { |
|
439 | + throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
440 | + } |
|
441 | + } |
|
442 | + |
|
443 | + /** |
|
444 | + * Delete the current file |
|
445 | + * |
|
446 | + * @throws Forbidden |
|
447 | + * @throws ServiceUnavailable |
|
448 | + */ |
|
449 | + public function delete() { |
|
450 | + if (!$this->info->isDeletable()) { |
|
451 | + throw new Forbidden(); |
|
452 | + } |
|
453 | + |
|
454 | + try { |
|
455 | + if (!$this->fileView->unlink($this->path)) { |
|
456 | + // assume it wasn't possible to delete due to permissions |
|
457 | + throw new Forbidden(); |
|
458 | + } |
|
459 | + } catch (StorageNotAvailableException $e) { |
|
460 | + throw new ServiceUnavailable("Failed to unlink: " . $e->getMessage()); |
|
461 | + } catch (ForbiddenException $ex) { |
|
462 | + throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
|
463 | + } catch (LockedException $e) { |
|
464 | + throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
465 | + } |
|
466 | + } |
|
467 | + |
|
468 | + /** |
|
469 | + * Returns the mime-type for a file |
|
470 | + * |
|
471 | + * If null is returned, we'll assume application/octet-stream |
|
472 | + * |
|
473 | + * @return string |
|
474 | + */ |
|
475 | + public function getContentType() { |
|
476 | + $mimeType = $this->info->getMimetype(); |
|
477 | + |
|
478 | + // PROPFIND needs to return the correct mime type, for consistency with the web UI |
|
479 | + if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') { |
|
480 | + return $mimeType; |
|
481 | + } |
|
482 | + return \OC::$server->getMimeTypeDetector()->getSecureMimeType($mimeType); |
|
483 | + } |
|
484 | + |
|
485 | + /** |
|
486 | + * @return array|false |
|
487 | + */ |
|
488 | + public function getDirectDownload() { |
|
489 | + if (\OCP\App::isEnabled('encryption')) { |
|
490 | + return []; |
|
491 | + } |
|
492 | + /** @var \OCP\Files\Storage $storage */ |
|
493 | + list($storage, $internalPath) = $this->fileView->resolvePath($this->path); |
|
494 | + if (is_null($storage)) { |
|
495 | + return []; |
|
496 | + } |
|
497 | + |
|
498 | + return $storage->getDirectDownload($internalPath); |
|
499 | + } |
|
500 | + |
|
501 | + /** |
|
502 | + * @param resource $data |
|
503 | + * @return null|string |
|
504 | + * @throws Exception |
|
505 | + * @throws BadRequest |
|
506 | + * @throws NotImplemented |
|
507 | + * @throws ServiceUnavailable |
|
508 | + */ |
|
509 | + private function createFileChunked($data) { |
|
510 | + list($path, $name) = \Sabre\Uri\split($this->path); |
|
511 | + |
|
512 | + $info = \OC_FileChunking::decodeName($name); |
|
513 | + if (empty($info)) { |
|
514 | + throw new NotImplemented('Invalid chunk name'); |
|
515 | + } |
|
516 | + |
|
517 | + $chunk_handler = new \OC_FileChunking($info); |
|
518 | + $bytesWritten = $chunk_handler->store($info['index'], $data); |
|
519 | + |
|
520 | + //detect aborted upload |
|
521 | + if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
|
522 | + if (isset($_SERVER['CONTENT_LENGTH'])) { |
|
523 | + $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
524 | + if ($bytesWritten !== $expected) { |
|
525 | + $chunk_handler->remove($info['index']); |
|
526 | + throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $bytesWritten . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
527 | + } |
|
528 | + } |
|
529 | + } |
|
530 | + |
|
531 | + if ($chunk_handler->isComplete()) { |
|
532 | + /** @var Storage $storage */ |
|
533 | + list($storage,) = $this->fileView->resolvePath($path); |
|
534 | + $needsPartFile = $storage->needsPartFile(); |
|
535 | + $partFile = null; |
|
536 | + |
|
537 | + $targetPath = $path . '/' . $info['name']; |
|
538 | + /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
539 | + list($targetStorage, $targetInternalPath) = $this->fileView->resolvePath($targetPath); |
|
540 | + |
|
541 | + $exists = $this->fileView->file_exists($targetPath); |
|
542 | + |
|
543 | + try { |
|
544 | + $this->fileView->lockFile($targetPath, ILockingProvider::LOCK_SHARED); |
|
545 | + |
|
546 | + $this->emitPreHooks($exists, $targetPath); |
|
547 | + $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_EXCLUSIVE); |
|
548 | + /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
549 | + list($targetStorage, $targetInternalPath) = $this->fileView->resolvePath($targetPath); |
|
550 | + |
|
551 | + if ($needsPartFile) { |
|
552 | + // we first assembly the target file as a part file |
|
553 | + $partFile = $this->getPartFileBasePath($path . '/' . $info['name']) . '.ocTransferId' . $info['transferid'] . '.part'; |
|
554 | + /** @var \OC\Files\Storage\Storage $targetStorage */ |
|
555 | + list($partStorage, $partInternalPath) = $this->fileView->resolvePath($partFile); |
|
556 | + |
|
557 | + |
|
558 | + $chunk_handler->file_assemble($partStorage, $partInternalPath); |
|
559 | + |
|
560 | + // here is the final atomic rename |
|
561 | + $renameOkay = $targetStorage->moveFromStorage($partStorage, $partInternalPath, $targetInternalPath); |
|
562 | + $fileExists = $targetStorage->file_exists($targetInternalPath); |
|
563 | + if ($renameOkay === false || $fileExists === false) { |
|
564 | + \OC::$server->getLogger()->error('\OC\Files\Filesystem::rename() failed', ['app' => 'webdav']); |
|
565 | + // only delete if an error occurred and the target file was already created |
|
566 | + if ($fileExists) { |
|
567 | + // set to null to avoid double-deletion when handling exception |
|
568 | + // stray part file |
|
569 | + $partFile = null; |
|
570 | + $targetStorage->unlink($targetInternalPath); |
|
571 | + } |
|
572 | + $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_SHARED); |
|
573 | + throw new Exception('Could not rename part file assembled from chunks'); |
|
574 | + } |
|
575 | + } else { |
|
576 | + // assemble directly into the final file |
|
577 | + $chunk_handler->file_assemble($targetStorage, $targetInternalPath); |
|
578 | + } |
|
579 | + |
|
580 | + // allow sync clients to send the mtime along in a header |
|
581 | + if (isset($this->request->server['HTTP_X_OC_MTIME'])) { |
|
582 | + $mtime = $this->sanitizeMtime($this->request->server['HTTP_X_OC_MTIME']); |
|
583 | + if ($targetStorage->touch($targetInternalPath, $mtime)) { |
|
584 | + $this->header('X-OC-MTime: accepted'); |
|
585 | + } |
|
586 | + } |
|
587 | + |
|
588 | + // since we skipped the view we need to scan and emit the hooks ourselves |
|
589 | + $targetStorage->getUpdater()->update($targetInternalPath); |
|
590 | + |
|
591 | + $this->fileView->changeLock($targetPath, ILockingProvider::LOCK_SHARED); |
|
592 | + |
|
593 | + $this->emitPostHooks($exists, $targetPath); |
|
594 | + |
|
595 | + // FIXME: should call refreshInfo but can't because $this->path is not the of the final file |
|
596 | + $info = $this->fileView->getFileInfo($targetPath); |
|
597 | + |
|
598 | + if (isset($this->request->server['HTTP_OC_CHECKSUM'])) { |
|
599 | + $checksum = trim($this->request->server['HTTP_OC_CHECKSUM']); |
|
600 | + $this->fileView->putFileInfo($targetPath, ['checksum' => $checksum]); |
|
601 | + } elseif ($info->getChecksum() !== null && $info->getChecksum() !== '') { |
|
602 | + $this->fileView->putFileInfo($this->path, ['checksum' => '']); |
|
603 | + } |
|
604 | + |
|
605 | + $this->fileView->unlockFile($targetPath, ILockingProvider::LOCK_SHARED); |
|
606 | + |
|
607 | + return $info->getEtag(); |
|
608 | + } catch (\Exception $e) { |
|
609 | + if ($partFile !== null) { |
|
610 | + $targetStorage->unlink($targetInternalPath); |
|
611 | + } |
|
612 | + $this->convertToSabreException($e); |
|
613 | + } |
|
614 | + } |
|
615 | + |
|
616 | + return null; |
|
617 | + } |
|
618 | + |
|
619 | + /** |
|
620 | + * Convert the given exception to a SabreException instance |
|
621 | + * |
|
622 | + * @param \Exception $e |
|
623 | + * |
|
624 | + * @throws \Sabre\DAV\Exception |
|
625 | + */ |
|
626 | + private function convertToSabreException(\Exception $e) { |
|
627 | + if ($e instanceof \Sabre\DAV\Exception) { |
|
628 | + throw $e; |
|
629 | + } |
|
630 | + if ($e instanceof NotPermittedException) { |
|
631 | + // a more general case - due to whatever reason the content could not be written |
|
632 | + throw new Forbidden($e->getMessage(), 0, $e); |
|
633 | + } |
|
634 | + if ($e instanceof ForbiddenException) { |
|
635 | + // the path for the file was forbidden |
|
636 | + throw new DAVForbiddenException($e->getMessage(), $e->getRetry(), $e); |
|
637 | + } |
|
638 | + if ($e instanceof EntityTooLargeException) { |
|
639 | + // the file is too big to be stored |
|
640 | + throw new EntityTooLarge($e->getMessage(), 0, $e); |
|
641 | + } |
|
642 | + if ($e instanceof InvalidContentException) { |
|
643 | + // the file content is not permitted |
|
644 | + throw new UnsupportedMediaType($e->getMessage(), 0, $e); |
|
645 | + } |
|
646 | + if ($e instanceof InvalidPathException) { |
|
647 | + // the path for the file was not valid |
|
648 | + // TODO: find proper http status code for this case |
|
649 | + throw new Forbidden($e->getMessage(), 0, $e); |
|
650 | + } |
|
651 | + if ($e instanceof LockedException || $e instanceof LockNotAcquiredException) { |
|
652 | + // the file is currently being written to by another process |
|
653 | + throw new FileLocked($e->getMessage(), $e->getCode(), $e); |
|
654 | + } |
|
655 | + if ($e instanceof GenericEncryptionException) { |
|
656 | + // returning 503 will allow retry of the operation at a later point in time |
|
657 | + throw new ServiceUnavailable('Encryption not ready: ' . $e->getMessage(), 0, $e); |
|
658 | + } |
|
659 | + if ($e instanceof StorageNotAvailableException) { |
|
660 | + throw new ServiceUnavailable('Failed to write file contents: ' . $e->getMessage(), 0, $e); |
|
661 | + } |
|
662 | + if ($e instanceof NotFoundException) { |
|
663 | + throw new NotFound('File not found: ' . $e->getMessage(), 0, $e); |
|
664 | + } |
|
665 | + |
|
666 | + throw new \Sabre\DAV\Exception($e->getMessage(), 0, $e); |
|
667 | + } |
|
668 | + |
|
669 | + /** |
|
670 | + * Get the checksum for this file |
|
671 | + * |
|
672 | + * @return string |
|
673 | + */ |
|
674 | + public function getChecksum() { |
|
675 | + return $this->info->getChecksum(); |
|
676 | + } |
|
677 | + |
|
678 | + protected function header($string) { |
|
679 | + if (!\OC::$CLI) { |
|
680 | + \header($string); |
|
681 | + } |
|
682 | + } |
|
683 | 683 | } |
@@ -126,7 +126,7 @@ discard block |
||
126 | 126 | throw new Forbidden(); |
127 | 127 | } |
128 | 128 | } catch (StorageNotAvailableException $e) { |
129 | - throw new ServiceUnavailable("File is not updatable: " . $e->getMessage()); |
|
129 | + throw new ServiceUnavailable("File is not updatable: ".$e->getMessage()); |
|
130 | 130 | } |
131 | 131 | |
132 | 132 | // verify path of the target |
@@ -149,7 +149,7 @@ discard block |
||
149 | 149 | |
150 | 150 | if ($needsPartFile) { |
151 | 151 | // mark file as partial while uploading (ignored by the scanner) |
152 | - $partFilePath = $this->getPartFileBasePath($this->path) . '.ocTransferId' . rand() . '.part'; |
|
152 | + $partFilePath = $this->getPartFileBasePath($this->path).'.ocTransferId'.rand().'.part'; |
|
153 | 153 | |
154 | 154 | if (!$view->isCreatable($partFilePath) && $view->isUpdatable($this->path)) { |
155 | 155 | $needsPartFile = false; |
@@ -183,19 +183,19 @@ discard block |
||
183 | 183 | $data = $tmpData; |
184 | 184 | } |
185 | 185 | |
186 | - $data = HashWrapper::wrap($data, 'md5', function ($hash) { |
|
187 | - $this->header('X-Hash-MD5: ' . $hash); |
|
186 | + $data = HashWrapper::wrap($data, 'md5', function($hash) { |
|
187 | + $this->header('X-Hash-MD5: '.$hash); |
|
188 | 188 | }); |
189 | - $data = HashWrapper::wrap($data, 'sha1', function ($hash) { |
|
190 | - $this->header('X-Hash-SHA1: ' . $hash); |
|
189 | + $data = HashWrapper::wrap($data, 'sha1', function($hash) { |
|
190 | + $this->header('X-Hash-SHA1: '.$hash); |
|
191 | 191 | }); |
192 | - $data = HashWrapper::wrap($data, 'sha256', function ($hash) { |
|
193 | - $this->header('X-Hash-SHA256: ' . $hash); |
|
192 | + $data = HashWrapper::wrap($data, 'sha256', function($hash) { |
|
193 | + $this->header('X-Hash-SHA256: '.$hash); |
|
194 | 194 | }); |
195 | 195 | |
196 | 196 | if ($partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) { |
197 | 197 | $isEOF = false; |
198 | - $wrappedData = CallbackWrapper::wrap($data, null, null, null, null, function ($stream) use (&$isEOF) { |
|
198 | + $wrappedData = CallbackWrapper::wrap($data, null, null, null, null, function($stream) use (&$isEOF) { |
|
199 | 199 | $isEOF = feof($stream); |
200 | 200 | }); |
201 | 201 | |
@@ -225,7 +225,7 @@ discard block |
||
225 | 225 | $expected = $_SERVER['CONTENT_LENGTH']; |
226 | 226 | } |
227 | 227 | if ($expected !== "0") { |
228 | - throw new Exception('Error while copying file to target location (copied bytes: ' . $count . ', expected filesize: ' . $expected . ' )'); |
|
228 | + throw new Exception('Error while copying file to target location (copied bytes: '.$count.', expected filesize: '.$expected.' )'); |
|
229 | 229 | } |
230 | 230 | } |
231 | 231 | |
@@ -233,9 +233,9 @@ discard block |
||
233 | 233 | // double check if the file was fully received |
234 | 234 | // compare expected and actual size |
235 | 235 | if (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
236 | - $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
236 | + $expected = (int) $_SERVER['CONTENT_LENGTH']; |
|
237 | 237 | if ($count !== $expected) { |
238 | - throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $count . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
238 | + throw new BadRequest('Expected filesize of '.$expected.' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) '.$count.' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
239 | 239 | } |
240 | 240 | } |
241 | 241 | } catch (\Exception $e) { |
@@ -284,7 +284,7 @@ discard block |
||
284 | 284 | $renameOkay = $storage->moveFromStorage($partStorage, $internalPartPath, $internalPath); |
285 | 285 | $fileExists = $storage->file_exists($internalPath); |
286 | 286 | if ($renameOkay === false || $fileExists === false) { |
287 | - \OC::$server->getLogger()->error('renaming part file to final file failed $renameOkay: ' . ($renameOkay ? 'true' : 'false') . ', $fileExists: ' . ($fileExists ? 'true' : 'false') . ')', ['app' => 'webdav']); |
|
287 | + \OC::$server->getLogger()->error('renaming part file to final file failed $renameOkay: '.($renameOkay ? 'true' : 'false').', $fileExists: '.($fileExists ? 'true' : 'false').')', ['app' => 'webdav']); |
|
288 | 288 | throw new Exception('Could not rename part file to final file'); |
289 | 289 | } |
290 | 290 | } catch (ForbiddenException $ex) { |
@@ -340,10 +340,10 @@ discard block |
||
340 | 340 | $this->refreshInfo(); |
341 | 341 | } |
342 | 342 | } catch (StorageNotAvailableException $e) { |
343 | - throw new ServiceUnavailable("Failed to check file size: " . $e->getMessage(), 0, $e); |
|
343 | + throw new ServiceUnavailable("Failed to check file size: ".$e->getMessage(), 0, $e); |
|
344 | 344 | } |
345 | 345 | |
346 | - return '"' . $this->info->getEtag() . '"'; |
|
346 | + return '"'.$this->info->getEtag().'"'; |
|
347 | 347 | } |
348 | 348 | |
349 | 349 | private function getPartFileBasePath($path) { |
@@ -430,9 +430,9 @@ discard block |
||
430 | 430 | return $res; |
431 | 431 | } catch (GenericEncryptionException $e) { |
432 | 432 | // returning 503 will allow retry of the operation at a later point in time |
433 | - throw new ServiceUnavailable("Encryption not ready: " . $e->getMessage()); |
|
433 | + throw new ServiceUnavailable("Encryption not ready: ".$e->getMessage()); |
|
434 | 434 | } catch (StorageNotAvailableException $e) { |
435 | - throw new ServiceUnavailable("Failed to open file: " . $e->getMessage()); |
|
435 | + throw new ServiceUnavailable("Failed to open file: ".$e->getMessage()); |
|
436 | 436 | } catch (ForbiddenException $ex) { |
437 | 437 | throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
438 | 438 | } catch (LockedException $e) { |
@@ -457,7 +457,7 @@ discard block |
||
457 | 457 | throw new Forbidden(); |
458 | 458 | } |
459 | 459 | } catch (StorageNotAvailableException $e) { |
460 | - throw new ServiceUnavailable("Failed to unlink: " . $e->getMessage()); |
|
460 | + throw new ServiceUnavailable("Failed to unlink: ".$e->getMessage()); |
|
461 | 461 | } catch (ForbiddenException $ex) { |
462 | 462 | throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry()); |
463 | 463 | } catch (LockedException $e) { |
@@ -520,10 +520,10 @@ discard block |
||
520 | 520 | //detect aborted upload |
521 | 521 | if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') { |
522 | 522 | if (isset($_SERVER['CONTENT_LENGTH'])) { |
523 | - $expected = (int)$_SERVER['CONTENT_LENGTH']; |
|
523 | + $expected = (int) $_SERVER['CONTENT_LENGTH']; |
|
524 | 524 | if ($bytesWritten !== $expected) { |
525 | 525 | $chunk_handler->remove($info['index']); |
526 | - throw new BadRequest('Expected filesize of ' . $expected . ' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) ' . $bytesWritten . ' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
526 | + throw new BadRequest('Expected filesize of '.$expected.' bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) '.$bytesWritten.' bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.'); |
|
527 | 527 | } |
528 | 528 | } |
529 | 529 | } |
@@ -534,7 +534,7 @@ discard block |
||
534 | 534 | $needsPartFile = $storage->needsPartFile(); |
535 | 535 | $partFile = null; |
536 | 536 | |
537 | - $targetPath = $path . '/' . $info['name']; |
|
537 | + $targetPath = $path.'/'.$info['name']; |
|
538 | 538 | /** @var \OC\Files\Storage\Storage $targetStorage */ |
539 | 539 | list($targetStorage, $targetInternalPath) = $this->fileView->resolvePath($targetPath); |
540 | 540 | |
@@ -550,7 +550,7 @@ discard block |
||
550 | 550 | |
551 | 551 | if ($needsPartFile) { |
552 | 552 | // we first assembly the target file as a part file |
553 | - $partFile = $this->getPartFileBasePath($path . '/' . $info['name']) . '.ocTransferId' . $info['transferid'] . '.part'; |
|
553 | + $partFile = $this->getPartFileBasePath($path.'/'.$info['name']).'.ocTransferId'.$info['transferid'].'.part'; |
|
554 | 554 | /** @var \OC\Files\Storage\Storage $targetStorage */ |
555 | 555 | list($partStorage, $partInternalPath) = $this->fileView->resolvePath($partFile); |
556 | 556 | |
@@ -654,13 +654,13 @@ discard block |
||
654 | 654 | } |
655 | 655 | if ($e instanceof GenericEncryptionException) { |
656 | 656 | // returning 503 will allow retry of the operation at a later point in time |
657 | - throw new ServiceUnavailable('Encryption not ready: ' . $e->getMessage(), 0, $e); |
|
657 | + throw new ServiceUnavailable('Encryption not ready: '.$e->getMessage(), 0, $e); |
|
658 | 658 | } |
659 | 659 | if ($e instanceof StorageNotAvailableException) { |
660 | - throw new ServiceUnavailable('Failed to write file contents: ' . $e->getMessage(), 0, $e); |
|
660 | + throw new ServiceUnavailable('Failed to write file contents: '.$e->getMessage(), 0, $e); |
|
661 | 661 | } |
662 | 662 | if ($e instanceof NotFoundException) { |
663 | - throw new NotFound('File not found: ' . $e->getMessage(), 0, $e); |
|
663 | + throw new NotFound('File not found: '.$e->getMessage(), 0, $e); |
|
664 | 664 | } |
665 | 665 | |
666 | 666 | throw new \Sabre\DAV\Exception($e->getMessage(), 0, $e); |
@@ -24,49 +24,49 @@ |
||
24 | 24 | use Icewind\Streams\Wrapper; |
25 | 25 | |
26 | 26 | class HashWrapper extends Wrapper { |
27 | - protected $callback; |
|
28 | - protected $hash; |
|
27 | + protected $callback; |
|
28 | + protected $hash; |
|
29 | 29 | |
30 | - public static function wrap($source, string $algo, callable $callback) { |
|
31 | - $hash = hash_init($algo); |
|
32 | - $context = stream_context_create([ |
|
33 | - 'hash' => [ |
|
34 | - 'source' => $source, |
|
35 | - 'callback' => $callback, |
|
36 | - 'hash' => $hash, |
|
37 | - ], |
|
38 | - ]); |
|
39 | - return Wrapper::wrapSource($source, $context, 'hash', self::class); |
|
40 | - } |
|
30 | + public static function wrap($source, string $algo, callable $callback) { |
|
31 | + $hash = hash_init($algo); |
|
32 | + $context = stream_context_create([ |
|
33 | + 'hash' => [ |
|
34 | + 'source' => $source, |
|
35 | + 'callback' => $callback, |
|
36 | + 'hash' => $hash, |
|
37 | + ], |
|
38 | + ]); |
|
39 | + return Wrapper::wrapSource($source, $context, 'hash', self::class); |
|
40 | + } |
|
41 | 41 | |
42 | - protected function open() { |
|
43 | - $context = $this->loadContext('hash'); |
|
42 | + protected function open() { |
|
43 | + $context = $this->loadContext('hash'); |
|
44 | 44 | |
45 | - $this->callback = $context['callback']; |
|
46 | - $this->hash = $context['hash']; |
|
47 | - return true; |
|
48 | - } |
|
45 | + $this->callback = $context['callback']; |
|
46 | + $this->hash = $context['hash']; |
|
47 | + return true; |
|
48 | + } |
|
49 | 49 | |
50 | - public function dir_opendir($path, $options) { |
|
51 | - return $this->open(); |
|
52 | - } |
|
50 | + public function dir_opendir($path, $options) { |
|
51 | + return $this->open(); |
|
52 | + } |
|
53 | 53 | |
54 | - public function stream_open($path, $mode, $options, &$opened_path) { |
|
55 | - return $this->open(); |
|
56 | - } |
|
54 | + public function stream_open($path, $mode, $options, &$opened_path) { |
|
55 | + return $this->open(); |
|
56 | + } |
|
57 | 57 | |
58 | - public function stream_read($count) { |
|
59 | - $result = parent::stream_read($count); |
|
60 | - hash_update($this->hash, $result); |
|
61 | - return $result; |
|
62 | - } |
|
58 | + public function stream_read($count) { |
|
59 | + $result = parent::stream_read($count); |
|
60 | + hash_update($this->hash, $result); |
|
61 | + return $result; |
|
62 | + } |
|
63 | 63 | |
64 | - public function stream_close() { |
|
65 | - if (is_callable($this->callback)) { |
|
66 | - call_user_func($this->callback, hash_final($this->hash)); |
|
67 | - // prevent further calls by potential PHP 7 GC ghosts |
|
68 | - $this->callback = null; |
|
69 | - } |
|
70 | - return parent::stream_close(); |
|
71 | - } |
|
64 | + public function stream_close() { |
|
65 | + if (is_callable($this->callback)) { |
|
66 | + call_user_func($this->callback, hash_final($this->hash)); |
|
67 | + // prevent further calls by potential PHP 7 GC ghosts |
|
68 | + $this->callback = null; |
|
69 | + } |
|
70 | + return parent::stream_close(); |
|
71 | + } |
|
72 | 72 | } |