*
* - Unknown or expired galleries show the same neutral "not available" page.
* - Password-protected galleries show a password form; a successful unlock
* is remembered in the session for that gallery only.
* - Thumbnails and full-res originals are loaded by the browser directly
* from S3 via short-lived presigned URLs.
*/
require __DIR__ . '/app/bootstrap.php';
session_boot();
$slug = (string)($_GET['g'] ?? '');
$gallery = $slug !== '' ? gallery_load($slug) : null;
if ($gallery === null || gallery_is_expired($gallery)) {
http_response_code(404);
public_header('Gallery not available');
echo '
Gallery not available
'
. '
This gallery does not exist or is no longer online.