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<?php |
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/** |
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* Copyright (c) 2012 Bart Visscher <[email protected]> |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. |
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* See the COPYING-README file. |
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*/ |
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namespace OCA\Files_Antivirus; |
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use OCP\IUserManager; |
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use OCP\IL10N; |
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use OCA\Files_Antivirus\Item; |
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class BackgroundScanner { |
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/** @var ScannerFactory */ |
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private $scannerFactory; |
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/** @var IUserManager */ |
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private $userManager; |
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/** @var IL10N */ |
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private $l10n; |
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/** @var AppConfig */ |
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private $appConfig; |
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/** @var string */ |
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protected $currentFilesystemUser; |
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/** @var \OCP\IUserSession */ |
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protected $userSession; |
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/** |
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* A constructor |
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* |
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* @param \OCA\Files_Antivirus\ScannerFactory $scannerFactory |
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* @param AppConfig $appConfig |
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* @param IUserManager $userManager |
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* @param IL10N $l10n |
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*/ |
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public function __construct(ScannerFactory $scannerFactory, AppConfig $appConfig, IUserManager $userManager, IL10N $l10n){ |
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$this->scannerFactory = $scannerFactory; |
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$this->userManager = $userManager; |
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$this->l10n = $l10n; |
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$this->appConfig = $appConfig; |
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} |
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/** |
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* Background scanner main job |
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* @return null |
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*/ |
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public function run(){ |
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if (!$this->initFS()) { |
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return; |
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} |
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// locate files that are not checked yet |
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$dirMimetypeId = \OC::$server->getMimeTypeLoader()->getId('httpd/unix-directory'); |
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$sql = 'SELECT `*PREFIX*filecache`.`fileid`, `*PREFIX*storages`.*' |
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.' FROM `*PREFIX*filecache`' |
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.' LEFT JOIN `*PREFIX*files_antivirus` ON `*PREFIX*files_antivirus`.`fileid` = `*PREFIX*filecache`.`fileid`' |
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.' JOIN `*PREFIX*storages` ON `*PREFIX*storages`.`numeric_id` = `*PREFIX*filecache`.`storage`' |
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.' WHERE `mimetype` != ?' |
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.' AND (`*PREFIX*storages`.`id` LIKE ? OR `*PREFIX*storages`.`id` LIKE ?)' |
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.' AND (`*PREFIX*files_antivirus`.`fileid` IS NULL OR `mtime` > `check_time`)' |
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.' AND `path` LIKE ?' |
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.' AND `*PREFIX*filecache`.`size` != 0'; |
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$stmt = \OCP\DB::prepare($sql, 5); |
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try { |
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$result = $stmt->execute(array($dirMimetypeId, 'local::%', 'home::%', 'files/%')); |
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if (\OCP\DB::isError($result)) { |
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\OCP\Util::writeLog('files_antivirus', __METHOD__. 'DB error: ' . \OCP\DB::getErrorMessage($result), \OCP\Util::ERROR); |
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return; |
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} |
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} catch(\Exception $e) { |
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\OCP\Util::writeLog('files_antivirus', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR); |
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return; |
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} |
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$view = new \OC\Files\View('/'); |
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while ($row = $result->fetchRow()) { |
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$path = $view->getPath($row['fileid']); |
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if (!is_null($path)) { |
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$item = new Item($this->l10n, $view, $path, $row['fileid']); |
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$scanner = $this->scannerFactory->getScanner(); |
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$status = $scanner->scan($item); |
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$status->dispatch($item, true); |
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} |
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} |
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\OC_Util::tearDownFS(); |
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} |
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/** |
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* A hack to access files and views. Better than before. |
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*/ |
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protected function initFS(){ |
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//Need any valid user to mount FS |
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$results = $this->userManager->search('', 2, 0); |
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$anyUser = array_pop($results); |
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if (is_null($anyUser)) { |
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\OCP\Util::writeLog('files_antivirus', "Failed to setup file system", \OCP\Util::ERROR); |
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return false; |
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} |
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\OC_Util::tearDownFS(); |
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\OC_Util::setupFS($anyUser->getUID()); |
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return true; |
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} |
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/** |
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* @deprecated |
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*/ |
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public static function check(){ |
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return \OCA\Files_Antivirus\Cron\Task::run(); |
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} |
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} |
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owncloud /
files_antivirus
