Current File : //www/varak.net/nextcloud.varak.net/apps_old/apps/files_trashbin/lib/Command/RestoreAllFiles.php
<?php
/**
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\Files_Trashbin\Command;
use OC\Core\Command\Base;
use OCA\Files_Trashbin\Trash\ITrashManager;
use OCP\Files\IRootFolder;
use OCP\IDBConnection;
use OCP\IL10N;
use OCP\IUserBackend;
use OCP\IUserManager;
use OCP\L10N\IFactory;
use Symfony\Component\Console\Exception\InvalidOptionException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class RestoreAllFiles extends Base {
private const SCOPE_ALL = 0;
private const SCOPE_USER = 1;
private const SCOPE_GROUPFOLDERS = 2;
private static array $SCOPE_MAP = [
'user' => self::SCOPE_USER,
'groupfolders' => self::SCOPE_GROUPFOLDERS,
'all' => self::SCOPE_ALL
];
/** @var IUserManager */
protected $userManager;
/** @var IRootFolder */
protected $rootFolder;
/** @var \OCP\IDBConnection */
protected $dbConnection;
protected ITrashManager $trashManager;
/** @var IL10N */
protected $l10n;
/**
* @param IRootFolder $rootFolder
* @param IUserManager $userManager
* @param IDBConnection $dbConnection
* @param ITrashManager $trashManager
* @param IFactory $l10nFactory
*/
public function __construct(IRootFolder $rootFolder, IUserManager $userManager, IDBConnection $dbConnection, ITrashManager $trashManager, IFactory $l10nFactory) {
parent::__construct();
$this->userManager = $userManager;
$this->rootFolder = $rootFolder;
$this->dbConnection = $dbConnection;
$this->trashManager = $trashManager;
$this->l10n = $l10nFactory->get('files_trashbin');
}
protected function configure(): void {
parent::configure();
$this
->setName('trashbin:restore')
->setDescription('Restore all deleted files according to the given filters')
->addArgument(
'user_id',
InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
'restore all deleted files of the given user(s)'
)
->addOption(
'all-users',
null,
InputOption::VALUE_NONE,
'run action on all users'
)
->addOption(
'scope',
's',
InputOption::VALUE_OPTIONAL,
'Restore files from the given scope. Possible values are "user", "groupfolders" or "all"',
'user'
)
->addOption(
'since',
null,
InputOption::VALUE_OPTIONAL,
'Only restore files deleted after the given date and time, see https://www.php.net/manual/en/function.strtotime.php for more information on supported formats'
)
->addOption(
'until',
null,
InputOption::VALUE_OPTIONAL,
'Only restore files deleted before the given date and time, see https://www.php.net/manual/en/function.strtotime.php for more information on supported formats'
)
->addOption(
'dry-run',
'd',
InputOption::VALUE_NONE,
'Only show which files would be restored but do not perform any action'
);
}
protected function execute(InputInterface $input, OutputInterface $output): int {
/** @var string[] $users */
$users = $input->getArgument('user_id');
if ((!empty($users)) && ($input->getOption('all-users'))) {
throw new InvalidOptionException('Either specify a user_id or --all-users');
}
[$scope, $since, $until, $dryRun] = $this->parseArgs($input);
if (!empty($users)) {
foreach ($users as $user) {
$output->writeln("Restoring deleted files for user <info>$user</info>");
$this->restoreDeletedFiles($user, $scope, $since, $until, $dryRun, $output);
}
} elseif ($input->getOption('all-users')) {
$output->writeln('Restoring deleted files for all users');
foreach ($this->userManager->getBackends() as $backend) {
$name = get_class($backend);
if ($backend instanceof IUserBackend) {
$name = $backend->getBackendName();
}
$output->writeln("Restoring deleted files for users on backend <info>$name</info>");
$limit = 500;
$offset = 0;
do {
$users = $backend->getUsers('', $limit, $offset);
foreach ($users as $user) {
$output->writeln("<info>$user</info>");
$this->restoreDeletedFiles($user, $scope, $since, $until, $dryRun, $output);
}
$offset += $limit;
} while (count($users) >= $limit);
}
} else {
throw new InvalidOptionException('Either specify a user_id or --all-users');
}
return 0;
}
/**
* Restore deleted files for the given user according to the given filters
*/
protected function restoreDeletedFiles(string $uid, int $scope, ?int $since, ?int $until, bool $dryRun, OutputInterface $output): void {
\OC_Util::tearDownFS();
\OC_Util::setupFS($uid);
\OC_User::setUserId($uid);
$user = $this->userManager->get($uid);
if ($user === null) {
$output->writeln("<error>Unknown user $uid</error>");
return;
}
$userTrashItems = $this->filterTrashItems(
$this->trashManager->listTrashRoot($user),
$scope,
$since,
$until,
$output);
$trashCount = count($userTrashItems);
if ($trashCount == 0) {
$output->writeln("User has no deleted files in the trashbin matching the given filters");
return;
}
$prepMsg = $dryRun ? 'Would restore' : 'Preparing to restore';
$output->writeln("$prepMsg <info>$trashCount</info> files...");
$count = 0;
foreach($userTrashItems as $trashItem) {
$filename = $trashItem->getName();
$humanTime = $this->l10n->l('datetime', $trashItem->getDeletedTime());
// We use getTitle() here instead of getOriginalLocation() because
// for groupfolders this contains the groupfolder name itself as prefix
// which makes it more human readable
$location = $trashItem->getTitle();
if ($dryRun) {
$output->writeln("Would restore <info>$filename</info> originally deleted at <info>$humanTime</info> to <info>/$location</info>");
continue;
}
$output->write("File <info>$filename</info> originally deleted at <info>$humanTime</info> restoring to <info>/$location</info>:");
try {
$trashItem->getTrashBackend()->restoreItem($trashItem);
} catch (\Throwable $e) {
$output->writeln(" <error>Failed: " . $e->getMessage() . "</error>");
$output->writeln(" <error>" . $e->getTraceAsString() . "</error>", OutputInterface::VERBOSITY_VERY_VERBOSE);
continue;
}
$count++;
$output->writeln(" <info>success</info>");
}
if (!$dryRun) {
$output->writeln("Successfully restored <info>$count</info> out of <info>$trashCount</info> files.");
}
}
protected function parseArgs(InputInterface $input): array {
$since = $this->parseTimestamp($input->getOption('since'));
$until = $this->parseTimestamp($input->getOption('until'));
if ($since !== null && $until !== null && $since > $until) {
throw new InvalidOptionException('since must be before until');
}
return [
$this->parseScope($input->getOption('scope')),
$since,
$until,
$input->getOption('dry-run')
];
}
protected function parseScope(string $scope): int {
if (isset(self::$SCOPE_MAP[$scope])) {
return self::$SCOPE_MAP[$scope];
}
throw new InvalidOptionException("Invalid scope '$scope'");
}
protected function parseTimestamp(?string $timestamp): ?int {
if ($timestamp === null) {
return null;
}
$timestamp = strtotime($timestamp);
if ($timestamp === false) {
throw new InvalidOptionException("Invalid timestamp '$timestamp'");
}
return $timestamp;
}
protected function filterTrashItems(array $trashItems, int $scope, ?int $since, ?int $until, OutputInterface $output): array {
$filteredTrashItems = [];
foreach ($trashItems as $trashItem) {
$trashItemClass = get_class($trashItem);
// Check scope with exact class name for locally deleted files
if ($scope === self::SCOPE_USER && $trashItemClass !== \OCA\Files_Trashbin\Trash\TrashItem::class) {
$output->writeln("Skipping <info>" . $trashItem->getName() . "</info> because it is not a user trash item", OutputInterface::VERBOSITY_VERBOSE);
continue;
}
/**
* Check scope for groupfolders by string because the groupfolders app might not be installed.
* That's why PSALM doesn't know the class GroupTrashItem.
* @psalm-suppress RedundantCondition
*/
if ($scope === self::SCOPE_GROUPFOLDERS && $trashItemClass !== 'OCA\GroupFolders\Trash\GroupTrashItem') {
$output->writeln("Skipping <info>" . $trashItem->getName() . "</info> because it is not a groupfolders trash item", OutputInterface::VERBOSITY_VERBOSE);
continue;
}
// Check left timestamp boundary
if ($since !== null && $trashItem->getDeletedTime() <= $since) {
$output->writeln("Skipping <info>" . $trashItem->getName() . "</info> because it was deleted before the 'since' timestamp", OutputInterface::VERBOSITY_VERBOSE);
continue;
}
// Check right timestamp boundary
if ($until !== null && $trashItem->getDeletedTime() >= $until) {
$output->writeln("Skipping <info>" . $trashItem->getName() . "</info> because it was deleted after the 'until' timestamp", OutputInterface::VERBOSITY_VERBOSE);
continue;
}
$filteredTrashItems[] = $trashItem;
}
return $filteredTrashItems;
}
}
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