mod_restrict_xmpp: Treat archive query as a read despite using iq-set
XEP-0313 uses iq-set to initiate a query, but unlike many other uses of
iq-set, this does not mutate anything on the server, so it should not be
treated as a write request.
-- COMPAT for Openfire sending stream headers without to or from.
module:set_global();
module:hook("s2s-check-certificate", function(event)
local session, host = event.session, event.host;
if not event.host then
(session.log or module._log)("warn", "Invalid stream header, certificate will not be trusted")
session.cert_chain_status = "invalid"
return true
end
end, 100);