view mod_auth_token/test_token_auth.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
line wrap: on
line source

local base64 = require "util.encodings".base64;
local hmac = require "openssl.hmac";
local luatz = require "luatz";
local luaunit = require "luaunit";
local uuid = require "uuid";
local otp = require "otp";
local mock = require "mock";
local pkey = require "openssl.pkey";
local token_utils = dofile("token_auth_utils.lib.lua");

math.randomseed(os.time())

local OTP_SEED = 'E3W374VRSFO4NVKE';


function generate_token(jid, key)
	local nonce = '';
	for i=1,32 do
		nonce = nonce..math.random(9);
	end
	local utc_time_table = luatz.gmtime(luatz.time());
	local totp = otp.new_totp_from_key(
		OTP_SEED,
		token_utils.OTP_DIGITS,
		token_utils.OTP_INTERVAL
	):generate(0, utc_time_table);

	local hmac_ctx = hmac.new(key, token_utils.DIGEST_TYPE)
	local signature = hmac_ctx:final(totp..nonce..jid)
	return totp..nonce..' '..base64.encode(signature)
end


function test_token_verification()
	-- Test verification of a valid token
	local key = uuid();
	local result = token_utils.verify_token(
		'root',
		generate_token('root@localhost', key),
		'localhost',
		OTP_SEED,
		key
	)
	luaunit.assert_is(result, true)
end


function test_token_is_valid_only_once()
	local key = uuid();
	local token = generate_token('root@localhost', key);
	local result = token_utils.verify_token(
		'root',
		token,
		'localhost',
		OTP_SEED,
		key
	)
	luaunit.assert_is(result, true)

	result = token_utils.verify_token(
		'root',
		token,
		'localhost',
		OTP_SEED,
		key
	)
	luaunit.assert_is(result, false)
end


function test_token_expiration()
	-- Test that a token expires after (at most) the configured interval plus
	-- any amount of deviations.
	local key = uuid();
	local token = generate_token('root@localhost', key);
	-- Wait two ticks of the interval window and then check that the token is
	-- no longer valid.
	mock.mock(os);
	os.time.replace(function ()
		return os.time.original() +
			(token_utils.OTP_INTERVAL + 
				(token_utils.OTP_DEVIATION * token_utils.OTP_INTERVAL));
	end)
	result = token_utils.verify_token(
		'root',
		token,
		'localhost',
		OTP_SEED,
		key
	)
	mock.unmock(os);
	luaunit.assert_is(result, false)
end

os.exit(luaunit.LuaUnit.run())