Fix handlng of concurrent inserts of the 2FA provider registry DAO
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
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@ -26,6 +26,7 @@ declare(strict_types=1);
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namespace OC\Authentication\TwoFactorAuth\Db;
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use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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@ -72,25 +73,7 @@ class ProviderUserAssignmentDao {
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public function persist(string $providerId, string $uid, int $enabled) {
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$qb = $this->conn->getQueryBuilder();
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$this->conn->beginTransaction();
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// To prevent duplicate primary key, we have to first check if an INSERT
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// or UPDATE is required
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$query = $qb->select('*')
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->from(self::TABLE_NAME)
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->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
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->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
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$result = $query->execute();
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$rowCount = count($result->fetchAll());
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$result->closeCursor();
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if ($rowCount > 0) {
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// There is an entry -> update it
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$updateQuery = $qb->update(self::TABLE_NAME)
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->set('enabled', $qb->createNamedParameter($enabled))
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->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
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->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
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$updateQuery->execute();
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} else {
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try {
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// Insert a new entry
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$insertQuery = $qb->insert(self::TABLE_NAME)->values([
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'provider_id' => $qb->createNamedParameter($providerId),
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@ -99,8 +82,14 @@ class ProviderUserAssignmentDao {
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]);
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$insertQuery->execute();
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} catch (UniqueConstraintViolationException $ex) {
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// There is already an entry -> update it
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$updateQuery = $qb->update(self::TABLE_NAME)
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->set('enabled', $qb->createNamedParameter($enabled))
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->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
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->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
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$updateQuery->execute();
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}
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$this->conn->commit();
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}
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