mod_roster_command: Fix subscription when the "user JID" is a bare domain. Do not attempt to update the roster when the user is bare domain (e.g. a component), since they don't have rosters and the attempt results in an error: $ prosodyctl mod_roster_command subscribe proxy.example.com contact@example.com xxxxxxxxxxFailed to execute command: Error: /usr/lib/prosody/core/rostermanager.lua:104: attempt to concatenate local 'username' (a nil value) stack traceback: /usr/lib/prosody/core/rostermanager.lua:104: in function 'load_roster' /usr/lib/prosody/core/rostermanager.lua:305: in function 'set_contact_pending_out' mod_roster_command.lua:44: in function 'subscribe'

-- mod_statistics_auth
module:set_global();

local auth_ok, auth_fail = 0, 0

function module.add_host(module)
	module:hook("authentication-success", function(event)
		auth_ok = auth_ok + 1
	end);
	module:hook("authentication-failure", function(event)
		auth_fail = auth_fail + 1
	end);
end

module:provides("statistics", {
	statistics = {
		c2s_auth = {
			get = function ()
				return auth_ok;
			end;
			tostring = tostring;
		};
		c2s_authfail = {
			get = function ()
				return auth_fail;
			end;
			tostring = tostring;
		};
	}
});