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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\Files; |
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use OC\AppFramework\Http; |
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use OCP\Files\NotFoundException; |
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use OCP\Files\NotPermittedException; |
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use Sabre\DAV\Server; |
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use Sabre\DAV\ServerPlugin; |
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use Sabre\DAV\PropFind; |
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use Sabre\HTTP\RequestInterface; |
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use Sabre\HTTP\ResponseInterface; |
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use OC\Files\View; |
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use \Exception; |
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class ZsyncPlugin extends ServerPlugin { |
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// namespace |
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const ZSYNC_PROPERTYNAME = '{http://owncloud.org/ns}zsync'; |
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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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* Initializes the plugin and registers event handlers |
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* |
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* @param Server $server |
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* @return void |
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*/ |
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function initialize(Server $server) { |
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$server->on('method:GET', [$this, 'httpGet'], 90); |
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$server->on('method:DELETE', [$this, 'httpDelete'], 90); |
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$server->on('propFind', [$this, 'handleGetProperties']); |
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} |
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/** |
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* Intercepts GET requests on file urls ending with ?zsync. |
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* |
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* @param RequestInterface $request |
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* @param ResponseInterface $response |
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*/ |
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function httpGet(RequestInterface $request, ResponseInterface $response) { |
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$queryParams = $request->getQueryParameters(); |
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if (!array_key_exists('zsync', $queryParams)) { |
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return true; |
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} |
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$path = ltrim($request->getPath(), '/'); |
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/* remove files/$user */ |
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$path = implode('/', array_slice(explode('/', $path), 2)); |
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/* If basefile not found this is an error */ |
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if (!$this->view->file_exists('files/'.$path)) { |
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$response->setStatus(Http::STATUS_NOT_FOUND); |
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return false; |
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} |
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$info = $this->view->getFileInfo('files/'.$path); |
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$zsyncMetadataFile = 'files_zsync/'.$info->getId(); |
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if ($this->view->file_exists($zsyncMetadataFile)) { |
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$content = $this->view->file_get_contents($zsyncMetadataFile); |
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$response->setHeader('OC-ETag', $info->getEtag()); |
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$response->setStatus(Http::STATUS_OK); |
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$response->setBody($content); |
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} else { |
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$response->setStatus(Http::STATUS_NOT_FOUND); |
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} |
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return false; |
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} |
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/** |
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* Intercepts DELETE requests on file urls ending with ?zsync. |
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* |
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* @param RequestInterface $request |
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* @param ResponseInterface $response |
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*/ |
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function httpDelete(RequestInterface $request, ResponseInterface $response) { |
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$queryParams = $request->getQueryParameters(); |
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if (!array_key_exists('zsync', $queryParams)) { |
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return true; |
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} |
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$path = ltrim($request->getPath(), '/'); |
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/* remove files/$user */ |
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$path = implode('/', array_slice(explode('/', $path), 2)); |
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/* If basefile not found this is an error */ |
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if (!$this->view->file_exists('files/'.$path)) { |
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$response->setStatus(Http::STATUS_NOT_FOUND); |
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return false; |
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} |
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$info = $this->view->getFileInfo('files/'.$path); |
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$zsyncMetadataFile = 'files_zsync/'.$info->getId(); |
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if ($this->view->file_exists($zsyncMetadataFile)) { |
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$this->view->unlink($zsyncMetadataFile); |
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$response->setStatus(Http::STATUS_OK); |
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} else { |
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$response->setStatus(Http::STATUS_NOT_FOUND); |
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} |
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return false; |
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} |
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/** |
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* Adds zsync property if metadata exists |
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* |
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* @param PropFind $propFind |
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* @param \Sabre\DAV\INode $node |
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* @return void |
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*/ |
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public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) { |
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if ($node instanceof \OCA\DAV\Connector\Sabre\File) { |
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if (!$this->view->is_file('files/'.$node->getPath())) |
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return; |
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$info = $this->view->getFileInfo('files/'.$node->getPath()); |
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$zsyncMetadataFile = 'files_zsync/'.$info->getId(); |
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if ($this->view->file_exists($zsyncMetadataFile)) { |
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$propFind->handle(self::ZSYNC_PROPERTYNAME, function() use ($node) { |
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return 'true'; |
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}); |
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} |
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} |
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} |
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} |
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owncloud /
core
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..