Merge pull request #18025 from nextcloud/refactor/extract-ownership-transfer-service
Extract transfer ownership logic into a reusable service
This commit is contained in:
Roeland Jago Douma
GitHub
commit
dfe85ae0c2
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@ -34,7 +34,9 @@ return array(
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'OCA\\Files\\Controller\\ViewController' => $baseDir . '/../lib/Controller/ViewController.php',
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'OCA\\Files\\Event\\LoadAdditionalScriptsEvent' => $baseDir . '/../lib/Event/LoadAdditionalScriptsEvent.php',
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'OCA\\Files\\Event\\LoadSidebar' => $baseDir . '/../lib/Event/LoadSidebar.php',
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'OCA\\Files\\Exception\\TransferOwnershipException' => $baseDir . '/../lib/Exception/TransferOwnershipException.php',
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'OCA\\Files\\Helper' => $baseDir . '/../lib/Helper.php',
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'OCA\\Files\\Listener\\LegacyLoadAdditionalScriptsAdapter' => $baseDir . '/../lib/Listener/LegacyLoadAdditionalScriptsAdapter.php',
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'OCA\\Files\\Service\\OwnershipTransferService' => $baseDir . '/../lib/Service/OwnershipTransferService.php',
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'OCA\\Files\\Service\\TagService' => $baseDir . '/../lib/Service/TagService.php',
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);
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@ -49,8 +49,10 @@ class ComposerStaticInitFiles
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'OCA\\Files\\Controller\\ViewController' => __DIR__ . '/..' . '/../lib/Controller/ViewController.php',
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'OCA\\Files\\Event\\LoadAdditionalScriptsEvent' => __DIR__ . '/..' . '/../lib/Event/LoadAdditionalScriptsEvent.php',
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'OCA\\Files\\Event\\LoadSidebar' => __DIR__ . '/..' . '/../lib/Event/LoadSidebar.php',
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'OCA\\Files\\Exception\\TransferOwnershipException' => __DIR__ . '/..' . '/../lib/Exception/TransferOwnershipException.php',
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'OCA\\Files\\Helper' => __DIR__ . '/..' . '/../lib/Helper.php',
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'OCA\\Files\\Listener\\LegacyLoadAdditionalScriptsAdapter' => __DIR__ . '/..' . '/../lib/Listener/LegacyLoadAdditionalScriptsAdapter.php',
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'OCA\\Files\\Service\\OwnershipTransferService' => __DIR__ . '/..' . '/../lib/Service/OwnershipTransferService.php',
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'OCA\\Files\\Service\\TagService' => __DIR__ . '/..' . '/../lib/Service/TagService.php',
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);
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@ -1,4 +1,5 @@
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<?php
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<?php declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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@ -28,18 +29,11 @@
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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\IHomeStorage;
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use OCP\Files\IRootFolder;
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use OCP\Files\Mount\IMountManager;
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use OCA\Files\Exception\TransferOwnershipException;
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use OCA\Files\Service\OwnershipTransferService;
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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\Input\InputOption;
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@ -47,44 +41,17 @@ 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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/** @var IUserManager */
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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 $sourcePath;
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/** @var string */
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private $finalTarget;
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/** @var OwnershipTransferService */
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private $transferService;
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public function __construct(IUserManager $userManager,
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IManager $shareManager,
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IMountManager $mountManager,
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IRootFolder $rootFolder) {
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$this->userManager = $userManager;
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$this->shareManager = $shareManager;
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$this->mountManager = $mountManager;
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OwnershipTransferService $transferService) {
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parent::__construct();
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$this->userManager = $userManager;
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$this->transferService = $transferService;
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}
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protected function configure() {
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@ -115,192 +82,28 @@ class TransferOwnership extends Command {
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$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 $this->sourceUser</error>");
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$output->writeln("<error>Unknown source user " . $input->getArgument('source-user') . "</error>");
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return 1;
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}
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if (!$destinationUserObject instanceof IUser) {
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$output->writeln("<error>Unknown destination user $this->destinationUser</error>");
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$output->writeln("<error>Unknown destination user " . $input->getArgument('destination-user') . "</error>");
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return 1;
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}
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$this->sourceUser = $sourceUserObject->getUID();
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$this->destinationUser = $destinationUserObject->getUID();
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$sourcePathOption = ltrim($input->getOption('path'), '/');
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$this->sourcePath = rtrim($this->sourceUser . '/files/' . $sourcePathOption, '/');
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// target user has to be ready
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if (!\OC::$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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try {
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$this->transferService->transfer(
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$sourceUserObject,
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$destinationUserObject,
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ltrim($input->getOption('path'), '/'),
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$output
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);
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} catch (TransferOwnershipException $e) {
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$output->writeln("<error>" . $e->getMessage() . "</error>");
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return $e->getCode() !== 0 ? $e->getCode() : 1;
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}
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$date = date('Y-m-d H-i-s');
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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($this->destinationUser);
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$view = new View();
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if (!$view->is_dir($this->sourcePath)) {
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$output->writeln("<error>Unknown path provided: $sourcePathOption</error>");
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return 1;
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}
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// analyse source folder
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$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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return 0;
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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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$output->writeln('Validating quota');
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$size = $view->getFileInfo($this->sourcePath, false)->getSize(false);
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$freeSpace = $view->free_space($this->destinationUser . '/files/');
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if ($size > $freeSpace) {
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$output->writeln('<error>Target user does not have enough free space available</error>');
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throw new \Exception('Execution terminated');
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}
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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->sourcePath,
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function (FileInfo $fileInfo) use ($progress, $self) {
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if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) {
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// only analyze into folders from main storage,
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if (!$fileInfo->getStorage()->instanceOfStorage(IHomeStorage::class)) {
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return false;
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}
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return true;
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}
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$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, \OCP\Share::SHARE_TYPE_ROOM] 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 $this->finalTarget ...");
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// This change will help user to transfer the folder specified using --path option.
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// Else only the content inside folder is transferred which is not correct.
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if($this->sourcePath !== "$this->sourceUser/files") {
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$view->mkdir($this->finalTarget);
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$this->finalTarget = $this->finalTarget . '/' . basename($this->sourcePath);
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}
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$view->rename($this->sourcePath, $this->finalTarget);
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if (!is_dir("$this->sourceUser/files")) {
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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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/**
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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->getShareType() === \OCP\Share::SHARE_TYPE_USER &&
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$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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@ -0,0 +1,30 @@
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<?php declare(strict_types=1);
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/**
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* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
|
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Files\Exception;
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use Exception;
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class TransferOwnershipException extends Exception {
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}
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@ -0,0 +1,276 @@
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<?php declare(strict_types=1);
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/**
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* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @license GNU AGPL version 3 or any later version
|
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*
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* This program 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 as
|
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* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
|
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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
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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namespace OCA\Files\Service;
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use Closure;
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use OC\Files\Filesystem;
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use OC\Files\View;
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use OCA\Files\Exception\TransferOwnershipException;
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use OCP\Encryption\IManager as IEncryptionManager;
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use OCP\Files\FileInfo;
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use OCP\Files\IHomeStorage;
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use OCP\Files\Mount\IMountManager;
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use OCP\IUser;
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use OCP\Share\IManager as IShareManager;
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use Symfony\Component\Console\Helper\ProgressBar;
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use Symfony\Component\Console\Output\NullOutput;
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use Symfony\Component\Console\Output\OutputInterface;
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use function array_merge;
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use function basename;
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use function count;
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use function date;
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use function is_dir;
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use function rtrim;
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class OwnershipTransferService {
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|
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/** @var IEncryptionManager */
|
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private $encryptionManager;
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/** @var IShareManager */
|
||||
private $shareManager;
|
||||
|
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/** @var IMountManager */
|
||||
private $mountManager;
|
||||
|
||||
public function __construct(IEncryptionManager $manager,
|
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IShareManager $shareManager,
|
||||
IMountManager $mountManager) {
|
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$this->encryptionManager = $manager;
|
||||
$this->shareManager = $shareManager;
|
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$this->mountManager = $mountManager;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IUser $sourceUser
|
||||
* @param IUser $destinationUser
|
||||
* @param string $path
|
||||
*
|
||||
* @throws TransferOwnershipException
|
||||
*/
|
||||
public function transfer(IUser $sourceUser,
|
||||
IUser $destinationUser,
|
||||
string $path,
|
||||
?OutputInterface $output = null): void {
|
||||
$output = $output ?? new NullOutput();
|
||||
$sourceUid = $sourceUser->getUID();
|
||||
$destinationUid = $destinationUser->getUID();
|
||||
$sourcePath = rtrim($sourceUid . '/files/' . $path, '/');
|
||||
|
||||
// target user has to be ready
|
||||
if (!$this->encryptionManager->isReadyForUser($destinationUid)) {
|
||||
throw new TransferOwnershipException("The target user is not ready to accept files. The user has at least to be logged in once.", 2);
|
||||
}
|
||||
|
||||
$date = date('Y-m-d H-i-s');
|
||||
$finalTarget = "$destinationUid/files/transferred from $sourceUid on $date";
|
||||
|
||||
// setup filesystem
|
||||
Filesystem::initMountPoints($sourceUid);
|
||||
Filesystem::initMountPoints($destinationUid);
|
||||
|
||||
$view = new View();
|
||||
if (!$view->is_dir($sourcePath)) {
|
||||
throw new TransferOwnershipException("Unknown path provided: $path", 1);
|
||||
}
|
||||
|
||||
// analyse source folder
|
||||
$this->analyse(
|
||||
$sourceUid,
|
||||
$destinationUid,
|
||||
$sourcePath,
|
||||
$view,
|
||||
$output
|
||||
);
|
||||
|
||||
// collect all the shares
|
||||
$shares = $this->collectUsersShares(
|
||||
$sourceUid,
|
||||
$output
|
||||
);
|
||||
|
||||
// transfer the files
|
||||
$this->transferFiles(
|
||||
$sourceUid,
|
||||
$sourcePath,
|
||||
$finalTarget,
|
||||
$view,
|
||||
$output
|
||||
);
|
||||
|
||||
// restore the shares
|
||||
$this->restoreShares(
|
||||
$sourceUid,
|
||||
$destinationUid,
|
||||
$shares,
|
||||
$output
|
||||
);
|
||||
}
|
||||
|
||||
private function walkFiles(View $view, $path, Closure $callBack) {
|
||||
foreach ($view->getDirectoryContent($path) as $fileInfo) {
|
||||
if (!$callBack($fileInfo)) {
|
||||
return;
|
||||
}
|
||||
if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) {
|
||||
$this->walkFiles($view, $fileInfo->getPath(), $callBack);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param OutputInterface $output
|
||||
*
|
||||
* @throws \Exception
|
||||
*/
|
||||
protected function analyse(string $sourceUid,
|
||||
string $destinationUid,
|
||||
string $sourcePath,
|
||||
View $view,
|
||||
OutputInterface $output): void {
|
||||
$output->writeln('Validating quota');
|
||||
$size = $view->getFileInfo($sourcePath, false)->getSize(false);
|
||||
$freeSpace = $view->free_space($destinationUid . '/files/');
|
||||
if ($size > $freeSpace) {
|
||||
$output->writeln('<error>Target user does not have enough free space available</error>');
|
||||
throw new \Exception('Execution terminated');
|
||||
}
|
||||
|
||||
$output->writeln("Analysing files of $sourceUid ...");
|
||||
$progress = new ProgressBar($output);
|
||||
$progress->start();
|
||||
|
||||
$encryptedFiles = [];
|
||||
$this->walkFiles($view, $sourcePath,
|
||||
function (FileInfo $fileInfo) use ($progress) {
|
||||
if ($fileInfo->getType() === FileInfo::TYPE_FOLDER) {
|
||||
// only analyze into folders from main storage,
|
||||
if (!$fileInfo->getStorage()->instanceOfStorage(IHomeStorage::class)) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
$progress->advance();
|
||||
if ($fileInfo->isEncrypted()) {
|
||||
$encryptedFiles[] = $fileInfo;
|
||||
}
|
||||
return true;
|
||||
});
|
||||
$progress->finish();
|
||||
$output->writeln('');
|
||||
|
||||
// no file is allowed to be encrypted
|
||||
if (!empty($encryptedFiles)) {
|
||||
$output->writeln("<error>Some files are encrypted - please decrypt them first</error>");
|
||||
foreach ($encryptedFiles as $encryptedFile) {
|
||||
/** @var FileInfo $encryptedFile */
|
||||
$output->writeln(" " . $encryptedFile->getPath());
|
||||
}
|
||||
throw new \Exception('Execution terminated.');
|
||||
}
|
||||
}
|
||||
|
||||
private function collectUsersShares(string $sourceUid,
|
||||
OutputInterface $output): array {
|
||||
$output->writeln("Collecting all share information for files and folder of $sourceUid ...");
|
||||
|
||||
$shares = [];
|
||||
$progress = new ProgressBar($output);
|
||||
foreach ([\OCP\Share::SHARE_TYPE_GROUP, \OCP\Share::SHARE_TYPE_USER, \OCP\Share::SHARE_TYPE_LINK, \OCP\Share::SHARE_TYPE_REMOTE, \OCP\Share::SHARE_TYPE_ROOM] as $shareType) {
|
||||
$offset = 0;
|
||||
while (true) {
|
||||
$sharePage = $this->shareManager->getSharesBy($sourceUid, $shareType, null, true, 50, $offset);
|
||||
$progress->advance(count($sharePage));
|
||||
if (empty($sharePage)) {
|
||||
break;
|
||||
}
|
||||
$shares = array_merge($shares, $sharePage);
|
||||
$offset += 50;
|
||||
}
|
||||
}
|
||||
|
||||
$progress->finish();
|
||||
$output->writeln('');
|
||||
return $shares;
|
||||
}
|
||||
|
||||
protected function transferFiles(string $sourceUid,
|
||||
string $sourcePath,
|
||||
string $finalTarget,
|
||||
View $view,
|
||||
OutputInterface $output): void {
|
||||
$output->writeln("Transferring files to $finalTarget ...");
|
||||
|
||||
// This change will help user to transfer the folder specified using --path option.
|
||||
// Else only the content inside folder is transferred which is not correct.
|
||||
if ($sourcePath !== "$sourceUid/files") {
|
||||
$view->mkdir($finalTarget);
|
||||
$finalTarget = $finalTarget . '/' . basename($sourcePath);
|
||||
}
|
||||
$view->rename($sourcePath, $finalTarget);
|
||||
if (!is_dir("$sourceUid/files")) {
|
||||
// because the files folder is moved away we need to recreate it
|
||||
$view->mkdir("$sourceUid/files");
|
||||
}
|
||||
}
|
||||
|
||||
private function restoreShares(string $sourceUid,
|
||||
string $destinationUid,
|
||||
array $shares,
|
||||
OutputInterface $output) {
|
||||
$output->writeln("Restoring shares ...");
|
||||
$progress = new ProgressBar($output, count($shares));
|
||||
|
||||
foreach ($shares as $share) {
|
||||
try {
|
||||
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER &&
|
||||
$share->getSharedWith() === $destinationUid) {
|
||||
// Unmount the shares before deleting, so we don't try to get the storage later on.
|
||||
$shareMountPoint = $this->mountManager->find('/' . $destinationUid . '/files' . $share->getTarget());
|
||||
if ($shareMountPoint) {
|
||||
$this->mountManager->removeMount($shareMountPoint->getMountPoint());
|
||||
}
|
||||
$this->shareManager->deleteShare($share);
|
||||
} else {
|
||||
if ($share->getShareOwner() === $sourceUid) {
|
||||
$share->setShareOwner($destinationUid);
|
||||
}
|
||||
if ($share->getSharedBy() === $sourceUid) {
|
||||
$share->setSharedBy($destinationUid);
|
||||
}
|
||||
|
||||
$this->shareManager->updateShare($share);
|
||||
}
|
||||
} catch (\OCP\Files\NotFoundException $e) {
|
||||
$output->writeln('<error>Share with id ' . $share->getId() . ' points at deleted file, skipping</error>');
|
||||
} catch (\Exception $e) {
|
||||
$output->writeln('<error>Could not restore share with id ' . $share->getId() . ':' . $e->getTraceAsString() . '</error>');
|
||||
}
|
||||
$progress->advance();
|
||||
}
|
||||
$progress->finish();
|
||||
$output->writeln('');
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue