protected UserAuthenticationController::getLoginFloodIdentifier(Request $request, $username)
Gets the login identifier for user login flood control.
Parameters
\Symfony\Component\HttpFoundation\Request $request: The current request.
string $username: The username supplied in login credentials.
Return value
string The login identifier or if the user does not exist an empty string.
File
- core/modules/user/src/Controller/UserAuthenticationController.php, line 325
Class
- UserAuthenticationController
- Provides controllers for login, login status and logout via HTTP requests.
Namespace
Drupal\user\Controller
Code
protected function getLoginFloodIdentifier(Request $request, $username) {
$flood_config = $this->config('user.flood');
$accounts = $this->userStorage->loadByProperties(['name' => $username, 'status' => 1]);
if ($account = reset($accounts)) {
if ($flood_config->get('uid_only')) {
// Register flood events based on the uid only, so they apply for any
// IP address. This is the most secure option.
$identifier = $account->id();
}
else {
// The default identifier is a combination of uid and IP address. This
// is less secure but more resistant to denial-of-service attacks that
// could lock out all users with public user names.
$identifier = $account->id() . '-' . $request->getClientIp();
}
return $identifier;
}
return '';
}
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