1 files changed, 114 insertions, 0 deletions
diff --git a/apps/dav/lib/Command/ClearCalendarUnshares.php b/apps/dav/lib/Command/ClearCalendarUnshares.php
new file mode 100644
index 00000000000..bb367a9cd0f
--- /dev/null
+++ b/apps/dav/lib/Command/ClearCalendarUnshares.php
@@ -0,0 +1,114 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\Command;
+
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCA\DAV\CalDAV\Sharing\Backend;
+use OCA\DAV\CalDAV\Sharing\Service;
+use OCA\DAV\Connector\Sabre\Principal;
+use OCA\DAV\DAV\Sharing\Backend as BackendAlias;
+use OCA\DAV\DAV\Sharing\SharingMapper;
+use OCP\IAppConfig;
+use OCP\IUserManager;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Helper\Table;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+
+#[AsCommand(
+	name: 'dav:clear-calendar-unshares',
+	description: 'Clear calendar unshares for a user',
+	hidden: false,
+)]
+class ClearCalendarUnshares extends Command {
+	public function __construct(
+		private IUserManager $userManager,
+		private IAppConfig $appConfig,
+		private Principal $principal,
+		private CalDavBackend $caldav,
+		private Backend $sharingBackend,
+		private Service $sharingService,
+		private SharingMapper $mapper,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this->addArgument(
+			'uid',
+			InputArgument::REQUIRED,
+			'User whose unshares to clear'
+		);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$user = (string)$input->getArgument('uid');
+		if (!$this->userManager->userExists($user)) {
+			throw new \InvalidArgumentException("User $user is unknown");
+		}
+
+		$principal = $this->principal->getPrincipalByPath('principals/users/' . $user);
+		if ($principal === null) {
+			throw new \InvalidArgumentException("Unable to fetch principal for user $user ");
+		}
+
+		$shares = $this->mapper->getSharesByPrincipals([$principal['uri']], 'calendar');
+		$unshares = array_filter($shares, static fn ($share) => $share['access'] === BackendAlias::ACCESS_UNSHARED);
+
+		if (count($unshares) === 0) {
+			$output->writeln("User $user has no calendar unshares");
+			return self::SUCCESS;
+		}
+
+		$rows = array_map(fn ($share) => $this->formatCalendarUnshare($share), $shares);
+
+		$table = new Table($output);
+		$table
+			->setHeaders(['Share Id', 'Calendar Id', 'Calendar URI', 'Calendar Name'])
+			->setRows($rows)
+			->render();
+
+		$output->writeln('');
+
+		/** @var QuestionHelper $helper */
+		$helper = $this->getHelper('question');
+		$question = new ConfirmationQuestion('Please confirm to delete the above calendar unshare entries [y/n]', false);
+
+		if ($helper->ask($input, $output, $question)) {
+			$this->mapper->deleteUnsharesByPrincipal($principal['uri'], 'calendar');
+			$output->writeln("Calendar unshares for user $user deleted");
+		}
+
+		return self::SUCCESS;
+	}
+
+	private function formatCalendarUnshare(array $share): array {
+		$calendarInfo = $this->caldav->getCalendarById($share['resourceid']);
+
+		$resourceUri = 'Resource not found';
+		$resourceName = '';
+
+		if ($calendarInfo !== null) {
+			$resourceUri = $calendarInfo['uri'];
+			$resourceName = $calendarInfo['{DAV:}displayname'];
+		}
+
+		return [
+			$share['id'],
+			$share['resourceid'],
+			$resourceUri,
+			$resourceName,
+		];
+	}
+}