mod_muc/muc.lib: Use stanza:get_child() to locate MUC child element

diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua
index d28efa630231ac94b6a38ca4816ab7b43b6afffa..abbcb9a490c1e07fcfdd67aff58317041c25539f 100644 (file)
--- a/plugins/muc/muc.lib.lua
+++ b/plugins/muc/muc.lib.lua
@@ -777,15 +777,6 @@ function room_mt:set_role(actor, nick, role, callback, reason)
        return true;
 end
 
-local function _get_muc_child(stanza)
-       for i=#stanza.tags,1,-1 do
-               local tag = stanza.tags[i];
-               if tag.name == "x" and tag.attr.xmlns == "http://jabber.org/protocol/muc#user" then
-                       return tag;
-               end
-       end
-end
-
 function room_mt:_route_stanza(stanza)
        local muc_child;
        local to_occupant = self._occupants[self._jid_nick[stanza.attr.to]];
@@ -793,10 +784,10 @@ function room_mt:_route_stanza(stanza)
        if stanza.name == "presence" then
                if to_occupant and from_occupant then
                        if self._data.whois == 'anyone' then
-                           muc_child = _get_muc_child(stanza)
+                           muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
                        else
                                if to_occupant.role == "moderator" or jid_bare(to_occupant.jid) == jid_bare(from_occupant.jid) then
-                                       muc_child = _get_muc_child(stanza)
+                                       muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
                                end
                        end
                end