1 files changed, 3 insertions, 5 deletions
diff --git a/app/lib/otp.js b/app/lib/otp.js
index 751edf4..14763a8 100644
--- a/app/lib/otp.js
+++ b/app/lib/otp.js
@@ -1,6 +1,4 @@
-"use strict";
-
-const { createHmac } = require("crypto");
+import { createHmac } from "node:crypto";
 const getHMAC = (k,c) => { const h = createHmac("sha1", k);
   h.update(c, "hex"); return h.digest("hex"); }
 
@@ -12,7 +10,7 @@ const b32u = s => Uint8Array.from(s.split("").reduce((a,c) =>
     a+b32a.indexOf(c.toUpperCase()).toString(2).padStart(5,0), "")
   .match(/.{8}/g).map(b => parseInt(b,2)));
 
-module.exports = function totp(secret, { expiry=30,
+export default function totp(secret, { expiry=30,
   now=Math.round(new Date().getTime()/1000), length=6 }={}) {
   const time = d2h(now/expiry).padStart(16,0);
   const hmac = getHMAC(b32u(secret), time);
@@ -21,7 +19,7 @@ module.exports = function totp(secret, { expiry=30,
   return otp.padStart(length,0).substr(-length);
 }
 
-module.exports.check = function check(token, secret, { expiry=30,
+export function check(token, secret, { expiry=30,
   now=Math.round(new Date().getTime()/1000), length=6, window=0 }={}) {
   const i = Array(window*2+1).fill().map((e,i) => now+(expiry*(i-window)))
     .findIndex(n => token === this(secret, {now:n, expiry, length}));