mod_rest: Add JSON mapping of XEP-0128: Service Discovery Extensions Example XEP-0157 payload: { "disco" : { "extensions" : { "http://jabber.org/network/serverinfo" : { "abuse-addresses" : [ "mailto:abuse@shakespeare.lit", "xmpp:abuse@shakespeare.lit" ], "admin-addresses" : [ "mailto:admin@shakespeare.lit", "xmpp:admin@shakespeare.lit" ], "feedback-addresses" : [ "http://shakespeare.lit/feedback.php", "mailto:feedback@shakespeare.lit", "xmpp:feedback@shakespeare.lit" ], "sales-addresses" : [ "xmpp:bard@shakespeare.lit" ], "security-addresses" : [ "xmpp:security@shakespeare.lit" ], "support-addresses" : [ "http://shakespeare.lit/support.php", "xmpp:support@shakespeare.lit" ] } } } }

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

local function prevent_write(event)
	local stanza = event.stanza;
	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-set/bare/"..namespace, prevent_write, 200);
end