$server_name = !empty($_SERVER['HTTP_HOST']) ? strtolower($_SERVER['HTTP_HOST']) : (!empty($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : getenv('SERVER_NAME'));
$server_port = !empty($_SERVER['SERVER_PORT']) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT');
$secure = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 1 : 0;
$script_name = !empty($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : getenv('PHP_SELF');
if (!$script_name) {
$script_name = !empty($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : getenv('REQUEST_URI');
}
// $phpbb_root_path accounts for redirects from e.g. /adm
$script_path = trim(dirname($script_name)) . '/' . $phpbb_root_path . 'install/app.' . $phpEx;
// Replace any number of consecutive backslashes and/or slashes with a single slash
// (could happen on some proxy setups and/or Windows servers)
$script_path = preg_replace('#[\\\\/]{2,}#', '/', $script_path);
// Eliminate . and .. from the path
require $phpbb_root_path . 'phpbb/filesystem.' . $phpEx;
$phpbb_filesystem = new phpbb\filesystem\filesystem();
$script_path = $phpbb_filesystem->clean_path($script_path);
$url = ($secure ? 'https://' : 'http://') . $server_name;
if ($server_port && ($secure && $server_port != 443 || !$secure && $server_port != 80)) {
// HTTP HOST can carry a port number...
if (strpos($server_name, ':') === false) {
$url .= ':' . $server_port;
}
}
$url .= $script_path;
header('Location: ' . $url);
exit;
}
// In case $phpbb_adm_relative_path is not set (in case of an update), use the default.
$phpbb_adm_relative_path = isset($phpbb_adm_relative_path) ? $phpbb_adm_relative_path : 'adm/';
$phpbb_admin_path = defined('PHPBB_ADMIN_PATH') ? PHPBB_ADMIN_PATH : $phpbb_root_path . $phpbb_adm_relative_path;
// Include files
