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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Carla Schroder <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\Files\Command; |
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use OC\Files\Filesystem; |
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use OC\Files\View; |
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use OCP\Files\FileInfo; |
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use OCP\Files\Mount\IMountManager; |
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use OCP\IUser; |
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use OCP\IUserManager; |
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use OCP\Share\IManager; |
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use OCP\Share\IShare; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Helper\ProgressBar; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class TransferOwnership extends Command { |
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/** @var IUserManager $userManager */ |
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private $userManager; |
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/** @var IManager */ |
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private $shareManager; |
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/** @var IMountManager */ |
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private $mountManager; |
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/** @var FileInfo[] */ |
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private $allFiles = []; |
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/** @var FileInfo[] */ |
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private $encryptedFiles = []; |
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/** @var IShare[] */ |
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private $shares = []; |
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/** @var string */ |
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private $sourceUser; |
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/** @var string */ |
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private $destinationUser; |
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/** @var string */ |
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private $finalTarget; |
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public function __construct(IUserManager $userManager, IManager $shareManager, IMountManager $mountManager) { |
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$this->userManager = $userManager; |
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$this->shareManager = $shareManager; |
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$this->mountManager = $mountManager; |
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parent::__construct(); |
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} |
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protected function configure() { |
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$this |
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->setName('files:transfer-ownership') |
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->setDescription('All files and folders are moved to another user - shares are moved as well.') |
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->addArgument( |
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'source-user', |
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InputArgument::REQUIRED, |
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'owner of files which shall be moved' |
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) |
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->addArgument( |
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'destination-user', |
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InputArgument::REQUIRED, |
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'user who will be the new owner of the files' |
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); |
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} |
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protected function execute(InputInterface $input, OutputInterface $output) { |
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$sourceUserObject = $this->userManager->get($input->getArgument('source-user')); |
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$destinationUserObject = $this->userManager->get($input->getArgument('destination-user')); |
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if (!$sourceUserObject instanceof IUser) { |
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$output->writeln("<error>Unknown source user $this->sourceUser</error>"); |
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return 1; |
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} |
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if (!$destinationUserObject instanceof IUser) { |
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$output->writeln("<error>Unknown destination user $this->destinationUser</error>"); |
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return 1; |
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} |
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$this->sourceUser = $sourceUserObject->getUID(); |
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$this->destinationUser = $destinationUserObject->getUID(); |
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// target user has to be ready |
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if (!\OC::$server->getEncryptionManager()->isReadyForUser($this->destinationUser)) { |
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$output->writeln("<error>The target user is not ready to accept files. The user has at least to be logged in once.</error>"); |
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return 2; |
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} |
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$date = date('c'); |
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$this->finalTarget = "$this->destinationUser/files/transferred from $this->sourceUser on $date"; |
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// setup filesystem |
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Filesystem::initMountPoints($this->sourceUser); |
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Filesystem::initMountPoints($this->destinationUser); |
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// analyse source folder |
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$this->analyse($output); |
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// collect all the shares |
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$this->collectUsersShares($output); |
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// transfer the files |
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$this->transfer($output); |
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// restore the shares |
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$this->restoreShares($output); |
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} |
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private function walkFiles(View $view, $path, \Closure $callBack) { |
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foreach ($view->getDirectoryContent($path) as $fileInfo) { |
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if (!$callBack($fileInfo)) { |
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return; |
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} |
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if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) { |
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$this->walkFiles($view, $fileInfo->getPath(), $callBack); |
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} |
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} |
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} |
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/** |
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* @param OutputInterface $output |
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* @throws \Exception |
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*/ |
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protected function analyse(OutputInterface $output) { |
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$view = new View(); |
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$output->writeln("Analysing files of $this->sourceUser ..."); |
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$progress = new ProgressBar($output); |
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$progress->start(); |
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$self = $this; |
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$this->walkFiles($view, "$this->sourceUser/files", |
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function (FileInfo $fileInfo) use ($progress, $self) { |
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if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) { |
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return true; |
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} |
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$progress->advance(); |
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$this->allFiles[] = $fileInfo; |
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if ($fileInfo->isEncrypted()) { |
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$this->encryptedFiles[] = $fileInfo; |
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} |
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return true; |
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}); |
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$progress->finish(); |
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$output->writeln(''); |
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// no file is allowed to be encrypted |
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if (!empty($this->encryptedFiles)) { |
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$output->writeln("<error>Some files are encrypted - please decrypt them first</error>"); |
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foreach($this->encryptedFiles as $encryptedFile) { |
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/** @var FileInfo $encryptedFile */ |
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$output->writeln(" " . $encryptedFile->getPath()); |
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} |
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throw new \Exception('Execution terminated.'); |
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} |
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} |
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/** |
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* @param OutputInterface $output |
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*/ |
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private function collectUsersShares(OutputInterface $output) { |
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$output->writeln("Collecting all share information for files and folder of $this->sourceUser ..."); |
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$progress = new ProgressBar($output, count($this->shares)); |
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foreach([\OCP\Share::SHARE_TYPE_GROUP, \OCP\Share::SHARE_TYPE_USER, \OCP\Share::SHARE_TYPE_LINK, \OCP\Share::SHARE_TYPE_REMOTE] as $shareType) { |
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$offset = 0; |
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while (true) { |
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$sharePage = $this->shareManager->getSharesBy($this->sourceUser, $shareType, null, true, 50, $offset); |
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$progress->advance(count($sharePage)); |
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if (empty($sharePage)) { |
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break; |
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} |
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$this->shares = array_merge($this->shares, $sharePage); |
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$offset += 50; |
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} |
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} |
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$progress->finish(); |
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$output->writeln(''); |
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} |
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/** |
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* @param OutputInterface $output |
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*/ |
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protected function transfer(OutputInterface $output) { |
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$view = new View(); |
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$output->writeln("Transferring files to $this->finalTarget ..."); |
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$view->rename("$this->sourceUser/files", $this->finalTarget); |
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// because the files folder is moved away we need to recreate it |
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$view->mkdir("$this->sourceUser/files"); |
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} |
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/** |
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* @param OutputInterface $output |
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*/ |
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private function restoreShares(OutputInterface $output) { |
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$output->writeln("Restoring shares ..."); |
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$progress = new ProgressBar($output, count($this->shares)); |
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foreach($this->shares as $share) { |
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try { |
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if ($share->getSharedWith() === $this->destinationUser) { |
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// Unmount the shares before deleting, so we don't try to get the storage later on. |
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$shareMountPoint = $this->mountManager->find('/' . $this->destinationUser . '/files' . $share->getTarget()); |
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if ($shareMountPoint) { |
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$this->mountManager->removeMount($shareMountPoint->getMountPoint()); |
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} |
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$this->shareManager->deleteShare($share); |
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} else { |
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if ($share->getShareOwner() === $this->sourceUser) { |
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$share->setShareOwner($this->destinationUser); |
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} |
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if ($share->getSharedBy() === $this->sourceUser) { |
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$share->setSharedBy($this->destinationUser); |
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} |
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$this->shareManager->updateShare($share); |
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} |
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} catch (\OCP\Files\NotFoundException $e) { |
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$output->writeln('<error>Share with id ' . $share->getId() . ' points at deleted file, skipping</error>'); |
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} catch (\Exception $e) { |
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$output->writeln('<error>Could not restore share with id ' . $share->getId() . ':' . $e->getTraceAsString() . '</error>'); |
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} |
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$progress->advance(); |
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} |
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$progress->finish(); |
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$output->writeln(''); |
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} |
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} |
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nextcloud /
server
