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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Authentication\TwoFactorAuth\Db;
use OCP\IDBConnection;
use function array_map;
/**
* Data access object to query and assign (provider_id, uid, enabled) tuples of
* 2FA providers
*/
class ProviderUserAssignmentDao {
public const TABLE_NAME = 'twofactor_providers';
/** @var IDBConnection */
private $conn;
public function __construct(IDBConnection $dbConn) {
$this->conn = $dbConn;
}
/**
* Get all assigned provider IDs for the given user ID
*
* @return array<string, bool> where the array key is the provider ID (string) and the
* value is the enabled state (bool)
*/
public function getState(string $uid): array {
$qb = $this->conn->getQueryBuilder();
$query = $qb->select('provider_id', 'enabled')
->from(self::TABLE_NAME)
->where($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
$result = $query->execute();
$providers = [];
foreach ($result->fetchAll() as $row) {
$providers[(string)$row['provider_id']] = (int)$row['enabled'] === 1;
}
$result->closeCursor();
return $providers;
}
/**
* Persist a new/updated (provider_id, uid, enabled) tuple
*/
public function persist(string $providerId, string $uid, int $enabled): void {
$conn = $this->conn;
// Insert a new entry
if ($conn->insertIgnoreConflict(self::TABLE_NAME, [
'provider_id' => $providerId,
'uid' => $uid,
'enabled' => $enabled,
])) {
return;
}
// There is already an entry -> update it
$qb = $conn->getQueryBuilder();
$updateQuery = $qb->update(self::TABLE_NAME)
->set('enabled', $qb->createNamedParameter($enabled))
->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
$updateQuery->executeStatement();
}
/**
* Delete all provider states of a user and return the provider IDs
*
* @return list<array{provider_id: string, uid: string, enabled: bool}>
*/
public function deleteByUser(string $uid): array {
$qb1 = $this->conn->getQueryBuilder();
$selectQuery = $qb1->select('*')
->from(self::TABLE_NAME)
->where($qb1->expr()->eq('uid', $qb1->createNamedParameter($uid)));
$selectResult = $selectQuery->executeQuery();
$rows = $selectResult->fetchAll();
$selectResult->closeCursor();
$qb2 = $this->conn->getQueryBuilder();
$deleteQuery = $qb2
->delete(self::TABLE_NAME)
->where($qb2->expr()->eq('uid', $qb2->createNamedParameter($uid)));
$deleteQuery->executeStatement();
return array_values(array_map(function (array $row) {
return [
'provider_id' => (string)$row['provider_id'],
'uid' => (string)$row['uid'],
'enabled' => ((int)$row['enabled']) === 1,
];
}, $rows));
}
public function deleteAll(string $providerId): void {
$qb = $this->conn->getQueryBuilder();
$deleteQuery = $qb->delete(self::TABLE_NAME)
->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)));
$deleteQuery->execute();
}
}
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