view mod_auth_token/mod_sasl_token.lua @ 5342:e28ba69b5307

mod_rest: Implement use of refresh tokens in rest.sh example Because having access tokens expire daily was becoming annoying. Now this is starting to be in dire need of refactoring.
author Kim Alvefur <zash@zash.se>
date Wed, 12 Apr 2023 11:24:50 +0200
parents d0ca211e1b0e
children
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-- Copyright (C) 2018 Minddistrict
--
-- This file is MIT/X11 licensed.
--

local s_match = string.match;
local registerMechanism = require "util.sasl".registerMechanism;
local saslprep = require "util.encodings".stringprep.saslprep;
local nodeprep = require "util.encodings".stringprep.nodeprep;
local log = require "util.logger".init("sasl");
local _ENV = nil;


local function token_auth(self, message)
	if not message then
		return "failure", "malformed-request";
	end

	local authorization, authentication, password = s_match(message, "^([^%z]*)%z([^%z]+)%z([^%z]+)");

	if not authorization then
		return "failure", "malformed-request";
	end

	-- SASLprep password and authentication
	authentication = saslprep(authentication);
	password = saslprep(password);

	if (not password) or (password == "") or (not authentication) or (authentication == "") then
		log("debug", "Username or password violates SASLprep.");
		return "failure", "malformed-request", "Invalid username or password.";
	end

	local _nodeprep = self.profile.nodeprep;
	if _nodeprep ~= false then
		authentication = (_nodeprep or nodeprep)(authentication);
		if not authentication or authentication == "" then
			return "failure", "malformed-request", "Invalid username or password."
		end
	end

	local correct, state = false, false;
    correct, state = self.profile.token(self, authentication, password, self.realm);

	self.username = authentication
	if state == false then
		return "failure", "account-disabled";
	elseif state == nil or not correct then
		return "failure", "not-authorized", "Unable to authorize you with the authentication credentials you've sent.";
	end
	return "success";
end

registerMechanism("X-TOKEN", {"token"}, token_auth);