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fix #38749, postgresql GRANT user's permission after createDatabase, … #38750

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merged 2 commits into from
Aug 16, 2024
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fix #38749, postgresql GRANT user's permission after createDatabase, … #38750

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f490a4e
fix: postgresql GRANT user's permission after createDatabase, ensure …
whlsxl Jun 12, 2023
67c52d2
fix: use `$this->tryCreateDbUser` condition
whlsxl Jun 12, 2023
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24 changes: 14 additions & 10 deletions lib/private/Setup/PostgreSQL.php
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Original file line number Diff line number Diff line change
Expand Up @@ -51,16 +51,6 @@ public function setupDatabase($username) {
$this->dbPassword = \OC::$server->get(ISecureRandom::class)->generate(30, ISecureRandom::CHAR_ALPHANUMERIC);

$this->createDBUser($connection);

// Go to the main database and grant create on the public schema
// The code below is implemented to make installing possible with PostgreSQL version 15:
// https://www.postgresql.org/docs/release/15.0/
// From the release notes: For new databases having no need to defend against insider threats, granting CREATE permission will yield the behavior of prior releases
// Therefore we assume that the database is only used by one user/service which is Nextcloud
// Additional services should get installed in a separate database in order to stay secure
// Also see https://www.postgresql.org/docs/15/ddl-schemas.html#DDL-SCHEMAS-PATTERNS
$connectionMainDatabase->executeQuery('GRANT CREATE ON SCHEMA public TO "' . addslashes($this->dbUser) . '"');
$connectionMainDatabase->close();
}
}

Expand All @@ -73,6 +63,20 @@ public function setupDatabase($username) {
$this->createDatabase($connection);
// the connection to dbname=postgres is not needed anymore
$connection->close();

if ($this->tryCreateDbUser) {
if ($canCreateRoles) {
// Go to the main database and grant create on the public schema
// The code below is implemented to make installing possible with PostgreSQL version 15:
// https://www.postgresql.org/docs/release/15.0/
// From the release notes: For new databases having no need to defend against insider threats, granting CREATE permission will yield the behavior of prior releases
// Therefore we assume that the database is only used by one user/service which is Nextcloud
// Additional services should get installed in a separate database in order to stay secure
// Also see https://www.postgresql.org/docs/15/ddl-schemas.html#DDL-SCHEMAS-PATTERNS
$connectionMainDatabase->executeQuery('GRANT CREATE ON SCHEMA public TO "' . addslashes($this->dbUser) . '"');
$connectionMainDatabase->close();
}
}
} catch (\Exception $e) {
$this->logger->warning('Error trying to connect as "postgres", assuming database is setup and tables need to be created', [
'exception' => $e,
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