# HG changeset patch # User Tobias Markmann <tm@ayena.de> # Date 1219705066 -7200 # Node ID c0d754774db29e3b10f29b8fda5d68f6586a379f # Parent 90f22275f7aedcc7524f1c7563d2c5b54d2cdf85 adding SASL lib with PLAIN support, not tested yet diff -r 90f22275f7ae -r c0d754774db2 util/sasl.lua --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/util/sasl.lua Tue Aug 26 00:57:46 2008 +0200 @@ -0,0 +1,33 @@ +require "base64" + +function sasl:new_plain(onAuth, onSuccess, onFail, onWrite) + local object = { mechanism = "PLAIN", onAuth = onAuth, onSuccess = onSuccess, onFail = onFail, + onWrite = onWrite} + local challenge = base64.encode(""); + onWrite(stanza.stanza("challenge", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"}):text(challenge)) + object.feed = function(self, stanza) + if (stanza.name ~= "response") then self.onFail() end + if (stanza.attr.xmlns ~= "urn:ietf:params:xml:ns:xmpp-sasl") then self.onFail() end + local response = stanza.tag[1] + local authorization = string.match(response, [[([^&\0]+)]]) + local authentication = string.match(response, [[\0([^&\0]+)\0]]) + local password = string.match(response, [[\0[^&\0]+\0([^&\0]+)]]) + if self.onAuth(authorization, password) == true then + self.onWrite(stanza.stanza("success", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"})) + self.onSuccess() + else + self.onWrite(stanza.stanza("failure", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"}):tag("temporary-auth-failure")); + end + end + return object +end + +function sasl:new(mechanism, onAuth, onSuccess, onFail, onWrite) + local object + if mechanism == "PLAIN" then object = new_plain(onAuth, onSuccess, onFail, onWrite) + else onFail() + end + return object +end + +module "sasl"