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<?php |
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/* |
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* Copyright (C) by Ahmed Ammar <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated |
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* documentation files (the "Software"), to deal in the Software without restriction, including without limitation the |
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE |
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* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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namespace OCA\DAV\Upload; |
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use OCA\DAV\Connector\Sabre\File; |
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use Sabre\DAV\Exception\BadRequest; |
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use Sabre\DAV\Server; |
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use Sabre\DAV\ServerPlugin; |
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use Sabre\DAV\Exception\NotFound; |
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use OC\Files\View; |
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class ChunkingPluginZsync extends ServerPlugin { |
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/** @var Server */ |
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private $server; |
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/** @var FutureFileZsync */ |
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private $sourceNode; |
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/** @var OC\Files\View */ |
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private $view; |
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public function __construct(View $view) { |
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$this->view = $view; |
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$this->view->mkdir('files_zsync'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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function initialize(Server $server) { |
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$server->on('beforeMove', [$this, 'beforeMove']); |
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$this->server = $server; |
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} |
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/** |
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* @param string $sourcePath source path |
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* @param string $destination destination path |
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*/ |
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View Code Duplication |
function beforeMove($sourcePath, $destination) { |
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$this->sourceNode = $this->server->tree->getNodeForPath($sourcePath); |
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if (!$this->sourceNode instanceof FutureFileZsync) { |
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// skip handling as the source is not a chunked FutureFileZsync |
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return; |
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} |
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$this->verifySize(); |
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return $this->performMove($sourcePath, $destination); |
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} |
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/** |
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* Handles the temporary copy of the zsync metadata file |
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* |
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* Will not execute on external storage. |
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* |
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* @param string $path metadata path |
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* @param string $destination destination path |
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*/ |
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private function preMoveZsync($path, $destination) { |
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try { |
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$node = $this->server->tree->getNodeForPath($destination); |
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} catch (NotFound $e) { |
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$node = $this->server->tree->getNodeForPath(dirname($destination)); |
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} |
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// Disable if external storage used. |
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if (strpos($node->getDavPermissions(), 'M') === false) { |
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$zsyncMetadataNode = $this->server->tree->getNodeForPath($path); |
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$zsyncMetadataHandle = $zsyncMetadataNode->get(); |
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// get .zsync contents before its deletion |
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$zsyncMetadata = ''; |
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while (!feof($zsyncMetadataHandle)) { |
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$zsyncMetadata .= fread($zsyncMetadataHandle, $zsyncMetadataNode->getSize()); |
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} |
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fclose($zsyncMetadataHandle); |
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if ($this->server->tree->nodeExists($destination)) { |
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// set backingFile which is needed by AssemblyStreamZsync |
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$backingFile = $this->server->tree->getNodeForPath($destination); |
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$this->sourceNode->setBackingFile($backingFile); |
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} |
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$fileLength = $this->server->httpRequest->getHeader('OC-Total-File-Length'); |
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$this->sourceNode->setFileLength($fileLength); |
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return $zsyncMetadata; |
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} |
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} |
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/** |
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* Handles the creation of the zsync metadata file |
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* |
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* @param string &$zsyncMetadata actual metadata |
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* @param string $destination destination path |
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*/ |
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private function postMoveZsync(&$zsyncMetadata, $destination) { |
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if (!$zsyncMetadata) |
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return; |
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$destination = implode('/', array_slice(explode('/', $destination), 2)); |
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$info = $this->view->getFileInfo('files/'.$destination); |
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$zsyncMetadataFile = 'files_zsync/'.$info->getId(); |
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$this->view->file_put_contents($zsyncMetadataFile, $zsyncMetadata); |
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} |
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/** |
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* Move handler for future file. |
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* |
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* This overrides the default move behavior to prevent Sabre |
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* to delete the target file before moving. Because deleting would |
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* lose the file id and metadata. |
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* |
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* @param string $path source path |
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* @param string $destination destination path |
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* @return bool|void false to stop handling, void to skip this handler |
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*/ |
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public function performMove($path, $destination) { |
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$response = $this->server->httpResponse; |
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$response->setHeader('Content-Length', '0'); |
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$this->server->tree->nodeExists($destination) ? $response->setStatus(204) : $response->setStatus(201); |
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// copy the zsync metadata file contents, before it gets removed. |
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$zsyncMetadataPath = dirname($path).'/.zsync'; |
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$zsyncMetadata = $this->preMoveZsync($zsyncMetadataPath, $destination); |
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// do a move manually, skipping Sabre's default "delete" for existing nodes |
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$this->server->tree->move($path, $destination); |
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// create the zsync metadata file |
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$this->postMoveZsync($zsyncMetadata, $destination); |
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// trigger all default events (copied from CorePlugin::move) |
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$this->server->emit('afterMove', [$path, $destination]); |
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$this->server->emit('afterUnbind', [$path]); |
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$this->server->emit('afterBind', [$destination]); |
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return false; |
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} |
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/** |
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* @throws BadRequest |
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*/ |
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View Code Duplication |
private function verifySize() { |
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$expectedSize = $this->server->httpRequest->getHeader('OC-Total-Length'); |
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if ($expectedSize === null) { |
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return; |
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} |
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$actualSize = $this->sourceNode->getSize(); |
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if ((int)$expectedSize !== $actualSize) { |
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throw new BadRequest("Chunks on server do not sum up to $expectedSize but to $actualSize"); |
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} |
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} |
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} |
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owncloud /
core
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..