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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2020 Joas Schilling <[email protected]> |
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* |
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* @author Côme Chilliet <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\User_LDAP\Migration; |
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use Closure; |
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use OCP\DB\Exception; |
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use OCP\DB\ISchemaWrapper; |
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use OCP\DB\QueryBuilder\IQueryBuilder; |
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use OCP\DB\Types; |
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use OCP\IDBConnection; |
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use OCP\Migration\IOutput; |
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use OCP\Migration\SimpleMigrationStep; |
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use Psr\Log\LoggerInterface; |
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class Version1130Date20211102154716 extends SimpleMigrationStep { |
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/** @var IDBConnection */ |
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private $dbc; |
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/** @var LoggerInterface */ |
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private $logger; |
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public function __construct(IDBConnection $dbc, LoggerInterface $logger) { |
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$this->dbc = $dbc; |
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$this->logger = $logger; |
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} |
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public function getName() { |
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return 'Adjust LDAP user and group ldap_dn column lengths and add ldap_dn_hash columns'; |
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} |
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/** |
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* @param IOutput $output |
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper` |
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* @param array $options |
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* @return null|ISchemaWrapper |
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*/ |
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public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper { |
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/** @var ISchemaWrapper $schema */ |
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$schema = $schemaClosure(); |
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$changeSchema = false; |
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foreach (['ldap_user_mapping', 'ldap_group_mapping'] as $tableName) { |
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$table = $schema->getTable($tableName); |
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if (!$table->hasColumn('ldap_dn_hash')) { |
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$table->addColumn('ldap_dn_hash', Types::STRING, [ |
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'notnull' => false, |
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'length' => 64, |
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]); |
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$changeSchema = true; |
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} |
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$column = $table->getColumn('ldap_dn'); |
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if ($tableName === 'ldap_user_mapping') { |
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if ($column->getLength() < 4096) { |
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$column->setLength(4096); |
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$changeSchema = true; |
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} |
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if ($table->hasIndex('ldap_dn_users')) { |
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$table->dropIndex('ldap_dn_users'); |
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$changeSchema = true; |
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} |
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if (!$table->hasIndex('ldap_user_dn_hashes')) { |
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$table->addUniqueIndex(['ldap_dn_hash'], 'ldap_user_dn_hashes'); |
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$changeSchema = true; |
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} |
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if (!$table->hasIndex('ldap_user_directory_uuid')) { |
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$table->addUniqueIndex(['directory_uuid'], 'ldap_user_directory_uuid'); |
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$changeSchema = true; |
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} |
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} else { |
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// We need to copy the table twice to be able to change primary key, prepare the backup table |
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$table2 = $schema->createTable('ldap_group_mapping_backup'); |
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$table2->addColumn('ldap_dn', Types::STRING, [ |
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'notnull' => true, |
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'length' => 4096, |
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'default' => '', |
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]); |
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$table2->addColumn('owncloud_name', Types::STRING, [ |
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'notnull' => true, |
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'length' => 64, |
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'default' => '', |
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]); |
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$table2->addColumn('directory_uuid', Types::STRING, [ |
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'notnull' => true, |
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'length' => 255, |
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'default' => '', |
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]); |
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$table2->addColumn('ldap_dn_hash', Types::STRING, [ |
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'notnull' => false, |
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'length' => 64, |
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]); |
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$table2->setPrimaryKey(['owncloud_name'], 'lgm_backup_primary'); |
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$changeSchema = true; |
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} |
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} |
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return $changeSchema ? $schema : null; |
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} |
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/** |
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* @param IOutput $output |
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper` |
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* @param array $options |
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*/ |
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public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) { |
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$this->handleDNHashes('ldap_group_mapping'); |
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$this->handleDNHashes('ldap_user_mapping'); |
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} |
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protected function handleDNHashes(string $table): void { |
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$select = $this->getSelectQuery($table); |
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$update = $this->getUpdateQuery($table); |
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$result = $select->executeQuery(); |
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while ($row = $result->fetch()) { |
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$dnHash = hash('sha256', $row['ldap_dn'], false); |
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$update->setParameter('name', $row['owncloud_name']); |
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$update->setParameter('dn_hash', $dnHash); |
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try { |
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$update->executeStatement(); |
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} catch (Exception $e) { |
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$this->logger->error('Failed to add hash "{dnHash}" ("{name}" of {table})', |
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[ |
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'app' => 'user_ldap', |
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'name' => $row['owncloud_name'], |
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'dnHash' => $dnHash, |
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'table' => $table, |
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'exception' => $e, |
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] |
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); |
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} |
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} |
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$result->closeCursor(); |
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} |
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protected function getSelectQuery(string $table): IQueryBuilder { |
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$qb = $this->dbc->getQueryBuilder(); |
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$qb->select('owncloud_name', 'ldap_dn', 'ldap_dn_hash') |
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->from($table) |
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->where($qb->expr()->isNull('ldap_dn_hash')); |
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return $qb; |
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} |
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protected function getUpdateQuery(string $table): IQueryBuilder { |
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$qb = $this->dbc->getQueryBuilder(); |
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$qb->update($table) |
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->set('ldap_dn_hash', $qb->createParameter('dn_hash')) |
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->where($qb->expr()->eq('owncloud_name', $qb->createParameter('name'))); |
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return $qb; |
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} |
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} |
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nextcloud /
server
