diff --git a/apps/user_ldap/appinfo/info.xml b/apps/user_ldap/appinfo/info.xml index c5d3ee10b7ae0..780a1846ffeb2 100644 --- a/apps/user_ldap/appinfo/info.xml +++ b/apps/user_ldap/appinfo/info.xml @@ -9,7 +9,7 @@ A user logs into Nextcloud with their LDAP or AD credentials, and is granted access based on an authentication request handled by the LDAP or AD server. Nextcloud does not store LDAP or AD passwords, rather these credentials are used to authenticate a user and then Nextcloud uses a session for the user ID. More information is available in the LDAP User and Group Backend documentation. - 1.11.1 + 1.11.2 agpl Dominik Schmidt Arthur Schiwon diff --git a/apps/user_ldap/composer/composer/autoload_classmap.php b/apps/user_ldap/composer/composer/autoload_classmap.php index ffd023dd15f43..341195b36f463 100644 --- a/apps/user_ldap/composer/composer/autoload_classmap.php +++ b/apps/user_ldap/composer/composer/autoload_classmap.php @@ -62,6 +62,7 @@ 'OCA\\User_LDAP\\Migration\\UnsetDefaultProvider' => $baseDir . '/../lib/Migration/UnsetDefaultProvider.php', 'OCA\\User_LDAP\\Migration\\Version1010Date20200630192842' => $baseDir . '/../lib/Migration/Version1010Date20200630192842.php', 'OCA\\User_LDAP\\Migration\\Version1120Date20210917155206' => $baseDir . '/../lib/Migration/Version1120Date20210917155206.php', + 'OCA\\User_LDAP\\Migration\\Version1130Date20211102154716' => $baseDir . '/../lib/Migration/Version1130Date20211102154716.php', 'OCA\\User_LDAP\\Notification\\Notifier' => $baseDir . '/../lib/Notification/Notifier.php', 'OCA\\User_LDAP\\PagedResults\\IAdapter' => $baseDir . '/../lib/PagedResults/IAdapter.php', 'OCA\\User_LDAP\\PagedResults\\Php54' => $baseDir . '/../lib/PagedResults/Php54.php', diff --git a/apps/user_ldap/composer/composer/autoload_static.php b/apps/user_ldap/composer/composer/autoload_static.php index 55398cc00034c..3a5e1d826b9a5 100644 --- a/apps/user_ldap/composer/composer/autoload_static.php +++ b/apps/user_ldap/composer/composer/autoload_static.php @@ -77,6 +77,7 @@ class ComposerStaticInitUser_LDAP 'OCA\\User_LDAP\\Migration\\UnsetDefaultProvider' => __DIR__ . '/..' . '/../lib/Migration/UnsetDefaultProvider.php', 'OCA\\User_LDAP\\Migration\\Version1010Date20200630192842' => __DIR__ . '/..' . '/../lib/Migration/Version1010Date20200630192842.php', 'OCA\\User_LDAP\\Migration\\Version1120Date20210917155206' => __DIR__ . '/..' . '/../lib/Migration/Version1120Date20210917155206.php', + 'OCA\\User_LDAP\\Migration\\Version1130Date20211102154716' => __DIR__ . '/..' . '/../lib/Migration/Version1130Date20211102154716.php', 'OCA\\User_LDAP\\Notification\\Notifier' => __DIR__ . '/..' . '/../lib/Notification/Notifier.php', 'OCA\\User_LDAP\\PagedResults\\IAdapter' => __DIR__ . '/..' . '/../lib/PagedResults/IAdapter.php', 'OCA\\User_LDAP\\PagedResults\\Php54' => __DIR__ . '/..' . '/../lib/PagedResults/Php54.php', diff --git a/apps/user_ldap/lib/Mapping/AbstractMapping.php b/apps/user_ldap/lib/Mapping/AbstractMapping.php index 50cf57ac5f946..20f22b7529f02 100644 --- a/apps/user_ldap/lib/Mapping/AbstractMapping.php +++ b/apps/user_ldap/lib/Mapping/AbstractMapping.php @@ -69,6 +69,7 @@ public function __construct(\OCP\IDBConnection $dbc) { public function isColNameValid($col) { switch ($col) { case 'ldap_dn': + case 'ldap_dn_hash': case 'owncloud_name': case 'directory_uuid': return true; @@ -152,11 +153,11 @@ public function setDNbyUUID($fdn, $uuid) { $oldDn = $this->getDnByUUID($uuid); $statement = $this->dbc->prepare(' UPDATE `' . $this->getTableName() . '` - SET `ldap_dn` = ? + SET `ldap_dn_hash` = ?, `ldap_dn` = ? WHERE `directory_uuid` = ? '); - $r = $this->modify($statement, [$fdn, $uuid]); + $r = $this->modify($statement, [$this->getDNHash($fdn), $fdn, $uuid]); if ($r && is_string($oldDn) && isset($this->cache[$oldDn])) { $this->cache[$fdn] = $this->cache[$oldDn]; @@ -179,12 +180,24 @@ public function setUUIDbyDN($uuid, $fdn) { $statement = $this->dbc->prepare(' UPDATE `' . $this->getTableName() . '` SET `directory_uuid` = ? - WHERE `ldap_dn` = ? + WHERE `ldap_dn_hash` = ? '); unset($this->cache[$fdn]); - return $this->modify($statement, [$uuid, $fdn]); + return $this->modify($statement, [$uuid, $this->getDNHash($fdn)]); + } + + /** + * Get the hash to store in database column ldap_dn_hash for a given dn + */ + protected function getDNHash(string $fdn): string { + $hash = hash('sha256', $fdn, false); + if (is_string($hash)) { + return $hash; + } else { + throw new \RuntimeException('hash function did not return a string'); + } } /** @@ -195,16 +208,19 @@ public function setUUIDbyDN($uuid, $fdn) { */ public function getNameByDN($fdn) { if (!isset($this->cache[$fdn])) { - $this->cache[$fdn] = $this->getXbyY('owncloud_name', 'ldap_dn', $fdn); + $this->cache[$fdn] = $this->getXbyY('owncloud_name', 'ldap_dn_hash', $this->getDNHash($fdn)); } return $this->cache[$fdn]; } - protected function prepareListOfIdsQuery(array $dnList): IQueryBuilder { + /** + * @param array $hashList + */ + protected function prepareListOfIdsQuery(array $hashList): IQueryBuilder { $qb = $this->dbc->getQueryBuilder(); - $qb->select('owncloud_name', 'ldap_dn') + $qb->select('owncloud_name', 'ldap_dn_hash', 'ldap_dn') ->from($this->getTableName(false)) - ->where($qb->expr()->in('ldap_dn', $qb->createNamedParameter($dnList, QueryBuilder::PARAM_STR_ARRAY))); + ->where($qb->expr()->in('ldap_dn_hash', $qb->createNamedParameter($hashList, QueryBuilder::PARAM_STR_ARRAY))); return $qb; } @@ -217,6 +233,10 @@ protected function collectResultsFromListOfIdsQuery(IQueryBuilder $qb, array &$r $stmt->closeCursor(); } + /** + * @param array $fdns + * @return array + */ public function getListOfIdsByDn(array $fdns): array { $totalDBParamLimit = 65000; $sliceSize = 1000; @@ -224,6 +244,7 @@ public function getListOfIdsByDn(array $fdns): array { $results = []; $slice = 1; + $fdns = array_map([$this, 'getDNHash'], $fdns); $fdnsSlice = count($fdns) > $sliceSize ? array_slice($fdns, 0, $sliceSize) : $fdns; $qb = $this->prepareListOfIdsQuery($fdnsSlice); @@ -241,7 +262,7 @@ public function getListOfIdsByDn(array $fdns): array { } if (!empty($fdnsSlice)) { - $qb->orWhere($qb->expr()->in('ldap_dn', $qb->createNamedParameter($fdnsSlice, QueryBuilder::PARAM_STR_ARRAY))); + $qb->orWhere($qb->expr()->in('ldap_dn_hash', $qb->createNamedParameter($fdnsSlice, QueryBuilder::PARAM_STR_ARRAY))); } if ($slice % $maxSlices === 0) { @@ -306,7 +327,7 @@ public function getDnByUUID($uuid) { * @throws \Exception */ public function getUUIDByDN($dn) { - return $this->getXbyY('directory_uuid', 'ldap_dn', $dn); + return $this->getXbyY('directory_uuid', 'ldap_dn_hash', $this->getDNHash($dn)); } /** @@ -340,9 +361,9 @@ public function getList($offset = null, $limit = null) { * @return bool */ public function map($fdn, $name, $uuid) { - if (mb_strlen($fdn) > 255) { + if (mb_strlen($fdn) > 4096) { \OC::$server->getLogger()->error( - 'Cannot map, because the DN exceeds 255 characters: {dn}', + 'Cannot map, because the DN exceeds 4096 characters: {dn}', [ 'app' => 'user_ldap', 'dn' => $fdn, @@ -352,6 +373,7 @@ public function map($fdn, $name, $uuid) { } $row = [ + 'ldap_dn_hash' => $this->getDNHash($fdn), 'ldap_dn' => $fdn, 'owncloud_name' => $name, 'directory_uuid' => $uuid @@ -439,7 +461,7 @@ public function clearCb(callable $preCallback, callable $postCallback): bool { */ public function count() { $qb = $this->dbc->getQueryBuilder(); - $query = $qb->select($qb->func()->count('ldap_dn')) + $query = $qb->select($qb->func()->count('ldap_dn_hash')) ->from($this->getTableName()); $res = $query->execute(); $count = $res->fetchOne(); diff --git a/apps/user_ldap/lib/Migration/Version1010Date20200630192842.php b/apps/user_ldap/lib/Migration/Version1010Date20200630192842.php index 3d9cc40b5b281..ab3f93cc875d6 100644 --- a/apps/user_ldap/lib/Migration/Version1010Date20200630192842.php +++ b/apps/user_ldap/lib/Migration/Version1010Date20200630192842.php @@ -60,8 +60,13 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt 'length' => 255, 'default' => '', ]); + $table->addColumn('ldap_dn_hash', Types::STRING, [ + 'notnull' => false, + 'length' => 64, + ]); $table->setPrimaryKey(['owncloud_name']); - $table->addUniqueIndex(['ldap_dn'], 'ldap_dn_users'); + $table->addUniqueIndex(['ldap_dn_hash'], 'ldap_user_dn_hashes'); + $table->addUniqueIndex(['directory_uuid'], 'ldap_user_directory_uuid'); } if (!$schema->hasTable('ldap_group_mapping')) { @@ -81,8 +86,13 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt 'length' => 255, 'default' => '', ]); - $table->setPrimaryKey(['ldap_dn']); - $table->addUniqueIndex(['owncloud_name'], 'owncloud_name_groups'); + $table->addColumn('ldap_dn_hash', Types::STRING, [ + 'notnull' => false, + 'length' => 64, + ]); + $table->setPrimaryKey(['owncloud_name']); + $table->addUniqueIndex(['ldap_dn_hash'], 'ldap_group_dn_hashes'); + $table->addUniqueIndex(['directory_uuid'], 'ldap_group_directory_uuid'); } if (!$schema->hasTable('ldap_group_members')) { diff --git a/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php b/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php index 94db4e72c696a..9dfe1fdf045f3 100644 --- a/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php +++ b/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php @@ -2,6 +2,28 @@ declare(strict_types=1); +/** + * @copyright Copyright (c) 2020 Joas Schilling + * + * @author Arthur Schiwon + * + * @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 . + * + */ + namespace OCA\User_LDAP\Migration; use Closure; diff --git a/apps/user_ldap/lib/Migration/Version1130Date20211102154716.php b/apps/user_ldap/lib/Migration/Version1130Date20211102154716.php new file mode 100644 index 0000000000000..80a6f0650da2a --- /dev/null +++ b/apps/user_ldap/lib/Migration/Version1130Date20211102154716.php @@ -0,0 +1,168 @@ + + * + * @author Côme Chilliet + * + * @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 . + * + */ + +namespace OCA\User_LDAP\Migration; + +use Closure; +use OCP\DB\Exception; +use OCP\DB\ISchemaWrapper; +use OCP\DB\QueryBuilder\IQueryBuilder; +use OCP\DB\Types; +use OCP\IDBConnection; +use OCP\Migration\IOutput; +use OCP\Migration\SimpleMigrationStep; +use Psr\Log\LoggerInterface; + +class Version1130Date20211102154716 extends SimpleMigrationStep { + + /** @var IDBConnection */ + private $dbc; + /** @var LoggerInterface */ + private $logger; + + public function __construct(IDBConnection $dbc, LoggerInterface $logger) { + $this->dbc = $dbc; + $this->logger = $logger; + } + + public function getName() { + return 'Adjust LDAP user and group ldap_dn column lengths and add ldap_dn_hash columns'; + } + + /** + * @param IOutput $output + * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper` + * @param array $options + * @return null|ISchemaWrapper + */ + public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper { + /** @var ISchemaWrapper $schema */ + $schema = $schemaClosure(); + + $changeSchema = false; + foreach (['ldap_user_mapping', 'ldap_group_mapping'] as $tableName) { + $table = $schema->getTable($tableName); + if (!$table->hasColumn('ldap_dn_hash')) { + $table->addColumn('ldap_dn_hash', Types::STRING, [ + 'notnull' => false, + 'length' => 64, + ]); + $changeSchema = true; + } + $column = $table->getColumn('ldap_dn'); + if ($column->getLength() < 4096) { + $column->setLength(4096); + $changeSchema = true; + } + if ($tableName === 'ldap_user_mapping') { + if ($table->hasIndex('ldap_dn_users')) { + $table->dropIndex('ldap_dn_users'); + $changeSchema = true; + } + if (!$table->hasIndex('ldap_user_dn_hashes')) { + $table->addUniqueIndex(['ldap_dn_hash'], 'ldap_user_dn_hashes'); + $changeSchema = true; + } + if (!$table->hasIndex('ldap_user_directory_uuid')) { + $table->addUniqueIndex(['directory_uuid'], 'ldap_user_directory_uuid'); + $changeSchema = true; + } + } else { + if ($table->hasIndex('owncloud_name_groups')) { + $table->dropIndex('owncloud_name_groups'); + $changeSchema = true; + } + if (!$table->hasIndex('ldap_group_dn_hashes')) { + $table->addUniqueIndex(['ldap_dn_hash'], 'ldap_group_dn_hashes'); + $changeSchema = true; + } + if (!$table->hasIndex('ldap_group_directory_uuid')) { + $table->addUniqueIndex(['directory_uuid'], 'ldap_group_directory_uuid'); + $changeSchema = true; + } + if (!$table->hasPrimaryKey() || ($table->getPrimaryKeyColumns() !== ['owncloud_name'])) { + $table->dropPrimaryKey(); + $table->setPrimaryKey(['owncloud_name']); + $changeSchema = true; + } + } + } + + return $changeSchema ? $schema : null; + } + + /** + * @param IOutput $output + * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper` + * @param array $options + */ + public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) { + $this->handleDNHashes('ldap_group_mapping'); + $this->handleDNHashes('ldap_user_mapping'); + } + + protected function handleDNHashes(string $table): void { + $select = $this->getSelectQuery($table); + $update = $this->getUpdateQuery($table); + + $result = $select->execute(); + while ($row = $result->fetch()) { + $dnHash = hash('sha256', $row['ldap_dn'], false); + $update->setParameter('name', $row['owncloud_name']); + $update->setParameter('dn_hash', $dnHash); + try { + $update->execute(); + } catch (Exception $e) { + $this->logger->error('Failed to add hash "{dnHash}" ("{name}" of {table})', + [ + 'app' => 'user_ldap', + 'name' => $row['owncloud_name'], + 'dnHash' => $dnHash, + 'table' => $table, + 'exception' => $e, + ] + ); + } + } + $result->closeCursor(); + } + + protected function getSelectQuery(string $table): IQueryBuilder { + $qb = $this->dbc->getQueryBuilder(); + $qb->select('owncloud_name', 'ldap_dn', 'ldap_dn_hash') + ->from($table) + ->where($qb->expr()->isNull('ldap_dn_hash')); + return $qb; + } + + protected function getUpdateQuery(string $table): IQueryBuilder { + $qb = $this->dbc->getQueryBuilder(); + $qb->update($table) + ->set('ldap_dn_hash', $qb->createParameter('dn_hash')) + ->where($qb->expr()->eq('owncloud_name', $qb->createParameter('name'))); + return $qb; + } +}