core-bundle/src/Cors/WebsiteRootsConfigProvider.php
public function getOptions(Request $request): array
    {
        if (!$this->isCorsRequest($request) || !$this->canRunDbQuery()) {
            return [];
        }

        $stmt = $this->connection->prepare("
            SELECT EXISTS (
                SELECT
                    id
                FROM
                    tl_page
                WHERE
                    type = 'root' AND dns = :dns
            )
        ");

        $stmt->bindValue('dns', preg_replace('@^https?://@', '', $request->headers->get('origin')));
        $stmt->execute();

        if (!$stmt->fetchColumn()) {
            return [];
        }

        return [
            'allow_origin' => true,
            'allow_methods' => ['HEAD', 'GET'],
            'allow_headers' => ['x-requested-with'],
        ];
    }
public function getOptions(Request $request): array
    {
        if (!$this->isCorsRequest($request) || !$this->canRunDbQuery()) {
            return [];
        }

        $stmt = $this->connection->prepare("
            SELECT EXISTS (
                SELECT
                    id
                FROM
                    tl_page
                WHERE
                    type = 'root' AND dns = :dns
            )
        ");

        $stmt->bindValue('dns', preg_replace('@^https?://@', '', $request->headers->get('origin')));
        $stmt->execute();

        if (!$stmt->fetchColumn()) {
            return [];
        }

        return [
            'allow_origin' => true,
            'allow_methods' => ['HEAD', 'GET'],
            'allow_headers' => ['x-requested-with'],
        ];
    }
{@inheritdoc}