local allowed_streamhosts = module:get_option_set("allowed_streamhosts", {}); -- eg proxy.eu.jabber.org

if module:get_option_boolean("allow_local_streamhosts", true) then

	for hostname, host in pairs(hosts) do

		if host.modules.proxy65 then

			allowed_streamhosts:add(hostname);

		end

	end

end

local function filter_streamhosts(tag)

	if tag.name == "streamhost" and not allowed_streamhosts:contains(tag.attr.jid) then

		return nil;

	end

	return tag;

end

module:hook("iq/full", function (event)

	local stanza, origin = event.stanza, event.origin;

	if stanza.attr.type == "set" then

		local payload = stanza:get_child("query", "http://jabber.org/protocol/bytestreams");

		if payload then

			payload:maptags(filter_streamhosts);

		end

	end

end, 1);