local st = require "util.stanza";

local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';

local starttls_attr = { xmlns = xmlns_starttls };

local s2s_feature = st.stanza("starttls", starttls_attr);

local starttls_failure = st.stanza("failure", starttls_attr);

module:hook("stream-features", function(event)

	local features = event.features;

	features:add_child(s2s_feature);

end);

module:hook("s2s-stream-features", function(event)

	local features = event.features;

	features:add_child(s2s_feature);

end);

-- Hook <starttls/>

module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)

	local origin = event.origin;

	(origin.sends2s or origin.send)(starttls_failure);

	origin:close();

	return true;

end);