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util/sasl/external.lua @ 5687:e879b53e9df8
util.sasl.external: Add SASL EXTERNAL mechanism
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 13 Jun 2013 18:20:49 +0200 |
child | 6777:5de6b93d0190 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/util/sasl/external.lua Thu Jun 13 18:20:49 2013 +0200 @@ -0,0 +1,25 @@ +local saslprep = require "util.encodings".stringprep.saslprep; + +module "sasl.external" + +local function external(self, message) + message = saslprep(message); + local state + self.username, state = self.profile.external(message); + + if state == false then + return "failure", "account-disabled"; + elseif state == nil then + return "failure", "not-authorized"; + elseif state == "expired" then + return "false", "credentials-expired"; + end + + return "success"; +end + +function init(registerMechanism) + registerMechanism("EXTERNAL", {"external"}, external); +end + +return _M;