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Code Issues Releases Activity

Add failed login lockout

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This commit is contained in:
Robbie Antenesse 2019-05-29 16:35:51 -06:00 • committed by Robbie Antenesse
parent 63b1f20d58
commit dafecd9582
2 changed files with 39 additions and 2 deletions
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5
src/php/api/config.php.changeme
View file

@ -1,4 +1,7 @@
<?php
define('DB_USER', 'lexiconga_db_username');
define('DB_PASSWORD', 'user_password');
define('DB_PASSWORD', 'user_password');
define('LOGIN_FAILURES_ALLOWED', 10);
define('LOGIN_FAILURES_LOCKOUT_MINUTES', 60);

36
src/php/api/index.php
View file

@ -39,6 +39,26 @@ switch ($action) {
), 400);
}
case 'login': {
session_start();
if (isset($_SESSION['unlock'])) {
if (time() < $_SESSION['unlock']) {
$seconds_left = ($_SESSION['unlock'] - time());
$minutes_left = floor($seconds_left / 60);
$seconds_left = $seconds_left % 60;
return Response::json(array(
'data' => 'Too many failed login attempts. You must wait another '
. ($minutes_left > 0 ? $minutes_left . ' minutes ' : '')
. ($minutes_left > 0 && $seconds_left > 0 ? 'and ' : '')
. ($seconds_left > 0 ? $seconds_left . ' seconds ' : '')
. 'until you can log in again.',
'error' => true,
), 403);
} else {
unset($_SESSION['failures']);
unset($_SESSION['unlock']);
}
}
if (isset($request['email']) && isset($request['password'])) {
$user = new User();
$user_data = $user->logIn($request['email'], $request['password']);
@ -48,8 +68,22 @@ switch ($action) {
'error' => false,
), 200);
}
if (!isset($_SESSION['failures'])) {
$_SESSION['failures'] = 0;
}
$_SESSION['failures']++;
if ($_SESSION['failures'] >= LOGIN_FAILURES_ALLOWED) {
$_SESSION['unlock'] = time() + (LOGIN_FAILURES_LOCKOUT_MINUTES * 60);
return Response::json(array(
'data' => 'Too many failed login attempts. You must wait ' . LOGIN_FAILURES_LOCKOUT_MINUTES . ' minutes until you can log in again.',
'error' => true,
), 403);
}
return Response::json(array(
'data' => 'Could not log in: incorrect data',
'data' => 'Incorrect email or password.<br>After ' . (LOGIN_FAILURES_ALLOWED - $_SESSION['failures']) . ' more failures, you will be locked out for ' . LOGIN_FAILURES_LOCKOUT_MINUTES . ' minutes.',
'error' => true,
), 401);
}