view mod_auth_token/test_token_auth.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +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	-- no longer valid.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())