JezK

Edit File: Mutex.php

<?php namespace GeminiLabs\SiteReviews\Modules; use GeminiLabs\SiteReviews\Helper; use GeminiLabs\SiteReviews\Helpers\Str; /** * An IP-based request lock, shared by the admin-ajax and REST transports. */ class Mutex { public function actions(): array { return glsr()->filterArray('router/mutex/actions', [ 'submit-review', ]); } /** * @todo: what happens if the IP address cannot be detected? */ public function isValid(string $action): bool { if (!in_array($action, $this->actions())) { return true; } $ipAddress = Helper::clientIp(); $hash = Str::hash($ipAddress, 13); $lock = Str::prefix($hash, glsr()->prefix); if (get_transient($lock)) { return false; // is parallel request } $expiration = glsr()->filterInt('router/mutex/expiration', 5, $ipAddress); $transient = set_transient($lock, 1, $expiration); if (!$transient) { return false; // parallel requests cannot set transient } return true; } }