21 local um_user_exists = require "core.usermanager".user_exists;

    21 local um_user_exists = require "core.usermanager".user_exists;

    22 local st = require "util.stanza";

    22 local st = require "util.stanza";

    23 local storagemanager = require "core.storagemanager";

    23 local storagemanager = require "core.storagemanager";

    24 

    24 

    25 local _ENV = nil;

    25 local _ENV = nil;

    26 

    27 

    27 local save_roster; -- forward declaration

    28 local save_roster; -- forward declaration

    28 

    29 

    29 local function add_to_roster(session, jid, item)

    30 local function add_to_roster(session, jid, item)

    30 	if session.roster then

    31 	if session.roster then