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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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 OCA\User_LDAP\Helper;
use OCA\User_LDAP\Mapping\UserMapping;
use OCA\User_LDAP\User\DeletedUsersIndex;
use OCA\User_LDAP\User_Proxy;
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;
class CheckUser extends Command {
/** @var User_Proxy */
protected $backend;
/** @var Helper */
protected $helper;
/** @var DeletedUsersIndex */
protected $dui;
/** @var UserMapping */
protected $mapping;
/**
* @param User_Proxy $uBackend
* @param Helper $helper
* @param DeletedUsersIndex $dui
* @param UserMapping $mapping
*/
public function __construct(User_Proxy $uBackend, Helper $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 Nextcloud'
)
->addOption(
'force',
null,
InputOption::VALUE_NONE,
'ignores disabled LDAP configuration'
)
->addOption(
'update',
null,
InputOption::VALUE_NONE,
'syncs values from LDAP'
)
;
}
protected function execute(InputInterface $input, OutputInterface $output): int {
try {
$uid = $input->getArgument('ocName');
$this->isAllowed($input->getOption('force'));
$this->confirmUserIsMapped($uid);
$exists = $this->backend->userExistsOnLDAP($uid, true);
if ($exists === true) {
$output->writeln('The user is still available on LDAP.');
if ($input->getOption('update')) {
$this->updateUser($uid, $output);
}
return 0;
}
$this->dui->markUser($uid);
$output->writeln('The user does not exists on LDAP anymore.');
$output->writeln('Clean up the user\'s remnants by: ./occ user:delete "'
. $uid . '"');
return 0;
} catch (\Exception $e) {
$output->writeln('<error>' . $e->getMessage(). '</error>');
return 1;
}
}
/**
* checks whether a user is actually mapped
* @param string $ocName the username as used in Nextcloud
* @throws \Exception
* @return true
*/
protected function confirmUserIsMapped($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;
}
private function updateUser(string $uid, OutputInterface $output): void {
try {
$access = $this->backend->getLDAPAccess($uid);
$attrs = $access->userManager->getAttributes();
$user = $access->userManager->get($uid);
$avatarAttributes = $access->getConnection()->resolveRule('avatar');
$result = $access->search('objectclass=*', $user->getDN(), $attrs, 1, 0);
foreach ($result[0] as $attribute => $valueSet) {
$output->writeln(' ' . $attribute . ': ');
foreach ($valueSet as $value) {
if (in_array($attribute, $avatarAttributes)) {
$value = '{ImageData}';
}
$output->writeln(' ' . $value);
}
}
$access->batchApplyUserAttributes($result);
} catch (\Exception $e) {
$output->writeln('<error>Error while trying to lookup and update attributes from LDAP</error>');
}
}
}
|
