1 files changed, 134 insertions, 0 deletions
diff --git a/apps/user_ldap/lib/Command/CheckUser.php b/apps/user_ldap/lib/Command/CheckUser.php
new file mode 100644
index 00000000000..43de421de6a
--- /dev/null
+++ b/apps/user_ldap/lib/Command/CheckUser.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * @author Arthur Schiwon <blizzz@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\User_LDAP\Command;
+
+use Symfony\Component\Console\Command\Command;
+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 OCA\User_LDAP\User\DeletedUsersIndex;
+use OCA\User_LDAP\Mapping\UserMapping;
+use OCA\User_LDAP\Helper as LDAPHelper;
+use OCA\User_LDAP\User_Proxy;
+
+class CheckUser extends Command {
+	/** @var \OCA\User_LDAP\User_Proxy */
+	protected $backend;
+
+	/** @var \OCA\User_LDAP\Helper */
+	protected $helper;
+
+	/** @var \OCA\User_LDAP\User\DeletedUsersIndex */
+	protected $dui;
+
+	/** @var \OCA\User_LDAP\Mapping\UserMapping */
+	protected $mapping;
+
+	/**
+	 * @param User_Proxy $uBackend
+	 * @param LDAPHelper $helper
+	 * @param DeletedUsersIndex $dui
+	 * @param UserMapping $mapping
+	 */
+	public function __construct(User_Proxy $uBackend, LDAPHelper $helper, DeletedUsersIndex $dui, UserMapping $mapping) {
+		$this->backend = $uBackend;
+		$this->helper = $helper;
+		$this->dui = $dui;
+		$this->mapping = $mapping;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('ldap:check-user')
+			->setDescription('checks whether a user exists on LDAP.')
+			->addArgument(
+					'ocName',
+					InputArgument::REQUIRED,
+					'the user name as used in ownCloud'
+				     )
+			->addOption(
+					'force',
+					null,
+					InputOption::VALUE_NONE,
+					'ignores disabled LDAP configuration'
+				     )
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+		try {
+			$uid = $input->getArgument('ocName');
+			$this->isAllowed($input->getOption('force'));
+			$this->confirmUserIsMapped($uid);
+			$exists = $this->backend->userExistsOnLDAP($uid);
+			if($exists === true) {
+				$output->writeln('The user is still available on LDAP.');
+				return;
+			}
+
+			$this->dui->markUser($uid);
+			$output->writeln('The user does not exists on LDAP anymore.');
+			$output->writeln('Clean up the user\'s remnants by: ./occ user:delete "'
+				. $uid . '"');
+		} catch (\Exception $e) {
+			$output->writeln('<error>' . $e->getMessage(). '</error>');
+		}
+	}
+
+	/**
+	 * checks whether a user is actually mapped
+	 * @param string $ocName the username as used in ownCloud
+	 * @throws \Exception
+	 * @return true
+	 */
+	protected function confirmUserIsMapped($ocName) {
+		$dn = $this->mapping->getDNByName($ocName);
+		if ($dn === false) {
+			throw new \Exception('The given user is not a recognized LDAP user.');
+		}
+
+		return true;
+	}
+
+	/**
+	 * checks whether the setup allows reliable checking of LDAP user existence
+	 * @throws \Exception
+	 * @return true
+	 */
+	protected function isAllowed($force) {
+		if($this->helper->haveDisabledConfigurations() && !$force) {
+			throw new \Exception('Cannot check user existence, because '
+				. 'disabled LDAP configurations are present.');
+		}
+
+		// we don't check ldapUserCleanupInterval from config.php because this
+		// action is triggered manually, while the setting only controls the
+		// background job.
+
+		return true;
+	}
+
+}