- local path = get_base_path(module, app_name, default_path or "/"..app_name);
- port = tonumber(ext.port) or port or 80;
- if port == 80 then port = ""; else port = ":"..port; end
- return (ext.scheme or services[1].service.name).."://"
- ..(ext.host or module.host)..port
- ..normalize_path(ext.path or "/")..(path:sub(2));
+ local url = {
+ scheme = (external_url.scheme or services[1].service.name);
+ host = (external_url.host or module:get_option_string("http_host", module.host));
+ port = tonumber(external_url.port) or port or 80;
+ path = normalize_path(external_url.path or "/")..
+ (get_base_path(module, app_name, default_path or "/"..app_name):sub(2));
+ }
+ if ports_by_scheme[url.scheme] == url.port then url.port = nil end
+ return url_build(url);