1 local saslprep = require "util.encodings".stringprep.saslprep;

     2 

     3 module "sasl.external"

     4 

     5 local function external(self, message)

     6 	message = saslprep(message);

     7 	local state

     8 	self.username, state = self.profile.external(message);

     9 

    10 	if state == false then

    11 		return "failure", "account-disabled";

    12 	elseif state == nil  then

    13 		return "failure", "not-authorized";

    14 	elseif state == "expired" then

    15 		return "false", "credentials-expired";

    16 	end

    17 

    18 	return "success";

    19 end

    20 

    21 function init(registerMechanism)

    22 	registerMechanism("EXTERNAL", {"external"}, external);

    23 end

    24 

    25 return _M;