+function room_mt:_route_stanza(stanza)
+ local muc_child;
+ local to_occupant = self._occupants[self._jid_nick[stanza.attr.to]];
+ local from_occupant = self._occupants[stanza.attr.from];
+ if stanza.name == "presence" then
+ if to_occupant and from_occupant then
+ if to_occupant.role == "moderator" or jid_bare(to_occupant.jid) == jid_bare(from_occupant.jid) then
+ 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
+ muc_child = tag;
+ break;
+ end
+ end
+ end
+ end
+ end
+ if muc_child then
+ for _, item in pairs(muc_child.tags) do
+ if item.name == "item" then
+ if from_occupant == to_occupant then
+ item.attr.jid = stanza.attr.to;
+ else
+ item.attr.jid = from_occupant.jid;
+ end
+ end
+ end
+ end
+ self:route_stanza(stanza);
+ if muc_child then
+ for _, item in pairs(muc_child.tags) do
+ if item.name == "item" then
+ item.attr.jid = nil;
+ end
+ end
+ end
+end
+