local st = require "util.stanza";

local stores = module:get_option("readonly_stores", {

	vcard = { "vcard-temp", "vCard" };

});

local namespaces = {};

for name, namespace in pairs(stores) do

	namespaces[table.concat(namespace, ":")] = name;

end

function prevent_write(event)

	local stanza = event.stanza;

	if stanza.attr.type ~= "set" then return; end

	local xmlns_and_tag = stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name;

	local store_name = namespaces[xmlns_and_tag];

	if store_name then

		module:log("warn", "Preventing modification of %s store by %s", store_name, stanza.attr.from);

		event.origin.send(st.error_reply(stanza, "cancel", "not-allowed", store_name.." data is read-only"));

		return true; -- Block stanza

	end

end

for namespace in pairs(namespaces) do

	module:hook("iq/bare/"..namespace, prevent_write, 200);

end