function base64_to_a32($s) { return str_to_a32(base64urldecode($s)); }
function getfiles() { global $master_key, $root_id, $inbox_id, $trashbin_id; $files = api_req(array('a' => 'f', 'c' => 1)); foreach ($files->f as $file) { if ($file->t == 0 || $file->t == 1) { $key = substr($file->k, strpos($file->k, ':') + 1); $key = decrypt_key(base64_to_a32($key), $master_key); if ($file->t == 0) { $k = array($key[0] ^ $key[4], $key[1] ^ $key[5], $key[2] ^ $key[6], $key[3] ^ $key[7]); $iv = array_merge(array_slice($key, 4, 2), array(0, 0)); $meta_mac = array_slice($key, 6, 2); } else { $k = $key; } $attributes = base64urldecode($file->a); $attributes = dec_attr($attributes, $k); if ($file->h == 'gldU3Tab') { downloadfile($file, $attributes, $k, $iv, $meta_mac); } } else { if ($file->t == 2) { $root_id = $file->k; } else { if ($file->t == 3) { $inbox_id = $file->k; } else { if ($file->t == 4) { $trashbin_id = $file->k; } } } } } }