1 files changed, 111 insertions, 0 deletions
diff --git a/apps/user_ldap/lib/Command/PromoteGroup.php b/apps/user_ldap/lib/Command/PromoteGroup.php
new file mode 100644
index 00000000000..b203a910b14
--- /dev/null
+++ b/apps/user_ldap/lib/Command/PromoteGroup.php
@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\User_LDAP\Command;
+
+use OCA\User_LDAP\Group_Proxy;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+
+class PromoteGroup extends Command {
+
+	public function __construct(
+		private IGroupManager $groupManager,
+		private Group_Proxy $backend,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this
+			->setName('ldap:promote-group')
+			->setDescription('declares the specified group as admin group (only one is possible per LDAP configuration)')
+			->addArgument(
+				'group',
+				InputArgument::REQUIRED,
+				'the group ID in Nextcloud or a group name'
+			)
+			->addOption(
+				'yes',
+				'y',
+				InputOption::VALUE_NONE,
+				'do not ask for confirmation'
+			);
+	}
+
+	protected function formatGroupName(IGroup $group): string {
+		$idLabel = '';
+		if ($group->getGID() !== $group->getDisplayName()) {
+			$idLabel = sprintf(' (Group ID: %s)', $group->getGID());
+		}
+		return sprintf('%s%s', $group->getDisplayName(), $idLabel);
+	}
+
+	protected function promoteGroup(IGroup $group, InputInterface $input, OutputInterface $output): void {
+		$access = $this->backend->getLDAPAccess($group->getGID());
+		$currentlyPromotedGroupId = $access->connection->ldapAdminGroup;
+		if ($currentlyPromotedGroupId === $group->getGID()) {
+			$output->writeln('<info>The specified group is already promoted</info>');
+			return;
+		}
+
+		if ($input->getOption('yes') === false) {
+			$currentlyPromotedGroup = $this->groupManager->get($currentlyPromotedGroupId);
+			$demoteLabel = '';
+			if ($currentlyPromotedGroup instanceof IGroup && $this->backend->groupExists($currentlyPromotedGroup->getGID())) {
+				$groupNameLabel = $this->formatGroupName($currentlyPromotedGroup);
+				$demoteLabel = sprintf('and demote %s ', $groupNameLabel);
+			}
+
+			/** @var QuestionHelper $helper */
+			$helper = $this->getHelper('question');
+			$q = new Question(sprintf('Promote %s to the admin group %s(y|N)? ', $this->formatGroupName($group), $demoteLabel));
+			$input->setOption('yes', $helper->ask($input, $output, $q) === 'y');
+		}
+		if ($input->getOption('yes') === true) {
+			$access->connection->setConfiguration(['ldapAdminGroup' => $group->getGID()]);
+			$access->connection->saveConfiguration();
+			$output->writeln(sprintf('<info>Group %s was promoted</info>', $group->getDisplayName()));
+		} else {
+			$output->writeln('<comment>Group promotion cancelled</comment>');
+		}
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$groupInput = (string)$input->getArgument('group');
+		$group = $this->groupManager->get($groupInput);
+
+		if ($group instanceof IGroup && $this->backend->groupExists($group->getGID())) {
+			$this->promoteGroup($group, $input, $output);
+			return 0;
+		}
+
+		$groupCandidates = $this->backend->getGroups($groupInput, 20);
+		foreach ($groupCandidates as $gidCandidate) {
+			$group = $this->groupManager->get($gidCandidate);
+			if ($group !== null
+				&& $this->backend->groupExists($group->getGID()) // ensure it is an LDAP group
+				&& ($group->getGID() === $groupInput
+					|| $group->getDisplayName() === $groupInput)
+			) {
+				$this->promoteGroup($group, $input, $output);
+				return 0;
+			}
+		}
+
+		$output->writeln('<error>No matching group found</error>');
+		return 1;
+	}
+
+}