LuaOTP/test.lua at master · tilkinsc/LuaOTP · GitHub

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--[[
MIT License

Copyright (c) 2021 Cody Tilkins

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
]]

----------------------------------------------------------------
-- Initialization Stuff                                       --
----------------------------------------------------------------


local INTERVAL		= 30;
local DIGITS		= 6;
local BASE32_SECRET	= "JBSWY3DPEHPK3PXP";
local DIGEST 		= "SHA1";


local OTP  = require("otp")
local TOTP = require("totp")
local HOTP = require("hotp")
local UTIL = require("util")


-- Create OTPData struct, which decides the environment
OTP.type = "totp"
local tdata = OTP.new(BASE32_SECRET, DIGITS, DIGEST, 30) -- TODO: needs hmac algo, fix differentiation
OTP.type = "hotp"
local hdata = OTP.new(BASE32_SECRET, DIGITS, DIGEST)


-- Dump data members of struct OTPData tdata
print("\\\\ totp tdata \\\\")
print("tdata.digits: `" .. tdata.digits .. "`")
print("tdata.interval: `" .. tdata.interval .. "`")
-- TODO: print("tdata.bits: `", .. tdata.bits .. "`")
-- TODO: print("tdata.method: `" .. tdata.method .. "`") -- is actually .type
-- TODO: print("tdata.algo: `" .. tdata.algo .. "`")
print("tdata.digest: `" .. tdata.digest .. "`")
print("tdata.secret: `" .. tdata.secret .. "`") -- TODO: base32_secret
print("// totp tdata //\n")

-- Dump data members of struct OTPData hdata
print("\\\\ hotp hdata \\\\")
print("hdata.digits: `" .. hdata.digits .. "`")
-- print("hdata.bits: `" .. hdata.bits .. "`")
-- print("hdata.method: `" .. hdata.method .. "`")
-- print("hdata.algo: `" .. hdata.algo .. "`")
print("hdata.digest: `" .. hdata.digest .. "`")
print("hdata.secret: `" .. hdata.secret .. "`")
print("// hotp hdata //\n")

print("Current Time: `" .. os.time() .. "`")


----------------------------------------------------------------
-- URI Example                                                --
----------------------------------------------------------------

local name1 = "name1"
local name2 = "name2"
local whatever1 = "account@whatever1.com"
local whatever2 = "account@whatever2.com"

local uri1 = OTP.util.build_uri(tdata.secret, name1, nil, whatever1, DIGEST, DIGITS, INTERVAL)
print("TOTP URI 1: `" .. uri1 .. "`\n")

local counter = 52;
local uri2 = OTP.util.build_uri(hdata.secret, name2, counter, whatever2, DIGEST, DIGITS, nil)
print("HOTP URI 2: `" .. uri2 .. "`\n")


----------------------------------------------------------------
-- BASE32 Stuff                                               --
----------------------------------------------------------------

-- seed random generator
math.randomseed(os.time())
math.random(1, 2)

local base32_len = 16

local base32_new_secret = UTIL.random_base32(base32_len, OTP.util.default_chars)
print("Generated BASE32 Secret: `" .. base32_new_secret .. "`")

print("") -- line break for readability


----------------------------------------------------------------
-- TOTP Stuff                                                 --
----------------------------------------------------------------

-- totp.now
local totp_err_1 = TOTP.now(tdata)
print("TOTP Generated: `" .. totp_err_1 .. "`")

-- totp.at
local totp_err_2 = TOTP.at(tdata, 1, 0)
print("TOTP Generated: `" .. totp_err_1 .. "`")


-- Do a verification for a hardcoded code
-- Won't succeed, this code is for a timeblock far into the past
local tv1 = TOTP.verify(tdata, 576203, os.time(), 4)

-- Will succeed, timeblock 0 for JBSWY3DPEHPK3PXP == 282760
local tv2 = TOTP.verify(tdata, 282760, 0, 4)
print("TOTP Verification 1: `" .. tostring(tv1) .. "`")
print("TOTP Verification 2: `" .. tostring(tv2) .. "`")

print("") -- line break for readability


----------------------------------------------------------------
-- HOTP Stuff                                                 --
----------------------------------------------------------------

-- Get HOTP for token 1
--   1. Generate and load hotp key into buffer
--   2. Check for error

local hotp_err_1 = HOTP.at(hdata, 1)
print("HOTP Generated at 1: `" .. hotp_err_1 .. "`")

-- Do a verification for a hardcoded code
-- Will succeed, 1 for JBSWY3DPEHPK3PXP == 996554
local hv = HOTP.verify(hdata, 996554, 1)
print("HOTP Verification 1: `" .. tostring(hv) .. "`")