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<?php |
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/** |
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* ownCloud - files_antivirus |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Viktar Dubiniuk <[email protected]> |
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* |
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* @copyright Viktar Dubiniuk 2017-2018 |
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* @license AGPL-3.0 |
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*/ |
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namespace OCA\Files_Antivirus; |
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use OC\Cache\CappedMemoryCache; |
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use OC\Files\Storage\Storage; |
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use \OCP\IRequest; |
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/** |
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* Used to detect the size of the uploaded file |
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* |
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* @package OCA\Files_Antivirus |
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*/ |
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class RequestHelper { |
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/** |
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* @var IRequest |
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*/ |
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private $request; |
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/** |
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* @var CappedMemoryCache |
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*/ |
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private static $fileSizeCache; |
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/** |
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* RequestHelper constructor. |
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* |
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* @param IRequest $request |
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*/ |
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public function __construct(IRequest $request) { |
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$this->request = $request; |
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} |
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/** |
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* @return CappedMemoryCache |
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*/ |
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public function getCache() { |
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if (self::$fileSizeCache === null) { |
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self::$fileSizeCache = new CappedMemoryCache(); |
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} |
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return self::$fileSizeCache; |
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} |
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/** |
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* @param string $path |
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* @param string $size |
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* |
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* @return void |
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*/ |
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public function setSizeForPath($path, $size) { |
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$this->getCache()->set($path, $size); |
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} |
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/** |
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* Get current upload size |
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* returns null for chunks and when there is no upload |
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* |
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* @param Storage $storage |
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* @param string $path |
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* |
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* @return int|null |
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*/ |
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public function getUploadSize(Storage $storage, $path) { |
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$requestMethod = $this->request->getMethod(); |
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// Handle MOVE first |
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// the size is cached by the app dav plugin in this case |
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if ($requestMethod === 'MOVE') { |
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// remove .ocTransferId444531916.part from part files |
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$cleanedPath = \preg_replace( |
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'|\.ocTransferId\d+\.part$|', |
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'', |
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$path |
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); |
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// cache uses dav path in /files/$user/path format |
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$translatedPath = \preg_replace( |
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'|^files/|', |
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'files/' . $storage->getOwner('/') . '/', |
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$cleanedPath |
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); |
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$cachedSize = $this->getCache()->get($translatedPath); |
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if ($cachedSize > 0) { |
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return $cachedSize; |
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} |
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} |
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// Are we uploading anything? |
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if ($requestMethod !== 'PUT') { |
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return null; |
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} |
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$isRemoteScript = $this->isScriptName('remote.php'); |
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$isPublicScript = $this->isScriptName('public.php'); |
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if (!$isRemoteScript && !$isPublicScript) { |
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return null; |
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} |
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if ($isRemoteScript) { |
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// v1 && v2 Chunks are not scanned |
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if (\strpos($path, 'uploads/') === 0) { |
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return null; |
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} |
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if (\OC_FileChunking::isWebdavChunk() |
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&& \strpos($path, 'cache/') === 0 |
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) { |
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return null; |
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} |
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} |
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$uploadSize = (int)$this->request->getHeader('CONTENT_LENGTH'); |
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return $uploadSize; |
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} |
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/** |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public function isScriptName($string) { |
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$pattern = \sprintf('|/%s|', \preg_quote($string)); |
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return \preg_match($pattern, $this->request->getScriptName()) === 1; |
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} |
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} |
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owncloud /
files_antivirus
