mod_http_oauth2: Enforce client scope restrictions in authorization When registering a client, a scope field can be included as a promise to only ever use those. Here we enforce that promise, if given, ensuring a client can't request or be granted a scope it didn't provide in its registration. While currently there is no restrictions at registration time, this could be changed in the future in various ways.

local st = require "util.stanza";

local important_payloads = module:get_option_set("csi_important_payloads", { });

module:hook("csi-is-stanza-important", function (event)
	local stanza = event.stanza;
	if st.is_stanza(stanza) then
		for important in important_payloads do
			if stanza:find(important) then
				return true;
			end
		end
	end
end);