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WIP - refactor user_ldap group membership cache and add check-group c…
…ommand Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>
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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 Côme Chilliet <come.chilliet@nextcloud.com> | ||
* @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\Group_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; | ||
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class CheckGroup extends Command { | ||
public function __construct( | ||
protected Group_Proxy $backend, | ||
protected Helper $helper, | ||
protected UserMapping $mapping | ||
) { | ||
parent::__construct(); | ||
} | ||
|
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protected function configure(): void { | ||
$this | ||
->setName('ldap:check-group') | ||
->setDescription('checks whether a group exists on LDAP.') | ||
->addArgument( | ||
'ocName', | ||
InputArgument::REQUIRED, | ||
'the group name as used in Nextcloud, or the LDAP DN' | ||
) | ||
->addOption( | ||
'force', | ||
null, | ||
InputOption::VALUE_NONE, | ||
'ignores disabled LDAP configuration' | ||
) | ||
->addOption( | ||
'update', | ||
null, | ||
InputOption::VALUE_NONE, | ||
'syncs values from LDAP' | ||
) | ||
; | ||
} | ||
|
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protected function execute(InputInterface $input, OutputInterface $output): int { | ||
try { | ||
$this->assertAllowed($input->getOption('force')); | ||
$gid = $input->getArgument('ocName'); | ||
if ($this->backend->getLDAPAccess($gid)->stringResemblesDN($gid)) { | ||
$groupname = $this->backend->dn2GroupName($gid); | ||
if ($groupname !== false) { | ||
$gid = $groupname; | ||
} | ||
} | ||
$wasMapped = $this->groupWasMapped($gid); | ||
$exists = $this->backend->groupExistsOnLDAP($gid, true); | ||
if ($exists === true) { | ||
$output->writeln('The group is still available on LDAP.'); | ||
if ($input->getOption('update')) { | ||
$this->updateGroup($gid, $output); | ||
} | ||
return 0; | ||
} elseif ($wasMapped) { | ||
$output->writeln('The group does not exists on LDAP anymore.'); | ||
return 0; | ||
} else { | ||
throw new \Exception('The given group is not a recognized LDAP group.'); | ||
} | ||
} catch (\Exception $e) { | ||
$output->writeln('<error>' . $e->getMessage(). '</error>'); | ||
return 1; | ||
} | ||
} | ||
|
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/** | ||
* checks whether a group is actually mapped | ||
* @param string $ocName the groupname as used in Nextcloud | ||
*/ | ||
protected function groupWasMapped(string $ocName): bool { | ||
$dn = $this->mapping->getDNByName($ocName); | ||
return $dn !== false; | ||
} | ||
|
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/** | ||
* checks whether the setup allows reliable checking of LDAP group existence | ||
* @throws \Exception | ||
*/ | ||
protected function assertAllowed(bool $force): void { | ||
if ($this->helper->haveDisabledConfigurations() && !$force) { | ||
throw new \Exception('Cannot check group existence, because ' | ||
. 'disabled LDAP configurations are present.'); | ||
} | ||
|
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// we don't check ldapUserCleanupInterval from config.php because this | ||
// action is triggered manually, while the setting only controls the | ||
// background job. | ||
} | ||
|
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private function updateGroup(string $gid, OutputInterface $output): void { | ||
try { | ||
$access = $this->backend->getLDAPAccess($gid); | ||
$attrs = $access->userManager->getAttributes(); | ||
$user = $access->userManager->get($gid); | ||
$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>'); | ||
} | ||
} | ||
} |
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<?php | ||
|
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declare(strict_types=1); | ||
|
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/** | ||
* @copyright Copyright (c) 2023 Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @author Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @license GNU AGPL version 3 or any later version | ||
* | ||
* This program is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Affero General Public License as | ||
* published by the Free Software Foundation, either version 3 of the | ||
* License, or (at your option) any later version. | ||
* | ||
* 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 | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
* | ||
*/ | ||
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namespace OCA\User_LDAP\Db; | ||
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use OCP\AppFramework\Db\Entity; | ||
|
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/** | ||
* @method void setUserid(string $userid) | ||
* @method string getUserid() | ||
* @method void setGroupid(string $groupid) | ||
* @method string getGroupid() | ||
*/ | ||
class GroupMembership extends Entity { | ||
/** @var string */ | ||
protected $groupid; | ||
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/** @var string */ | ||
protected $userid; | ||
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public function __construct() { | ||
$this->addType('groupid', 'string'); | ||
$this->addType('userid', 'string'); | ||
} | ||
} |
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<?php | ||
|
||
declare(strict_types=1); | ||
|
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/** | ||
* @copyright Copyright (c) 2023 Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @author Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @license GNU AGPL version 3 or any later version | ||
* | ||
* This program is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Affero General Public License as | ||
* published by the Free Software Foundation, either version 3 of the | ||
* License, or (at your option) any later version. | ||
* | ||
* 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 | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
* | ||
*/ | ||
|
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namespace OCA\User_LDAP\Db; | ||
|
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use OCP\AppFramework\Db\QBMapper; | ||
use OCP\IDBConnection; | ||
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/** | ||
* @template-extends QBMapper<GroupMembership> | ||
*/ | ||
class GroupMembershipMapper extends QBMapper { | ||
public function __construct(IDBConnection $db) { | ||
parent::__construct($db, 'ldap_group_membership', GroupMembership::class); | ||
} | ||
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/** | ||
* @return string[] | ||
*/ | ||
public function getKnownGroups(): array { | ||
$query = $this->db->getQueryBuilder(); | ||
$result = $query->selectDistinct('groupid') | ||
->from($this->getTableName()) | ||
->executeQuery(); | ||
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$groups = $result->fetchAll(); | ||
$result->closeCursor(); | ||
return $groups; | ||
} | ||
} |
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