Cookie authentication.

lib/utils.js

@@ -1,24 +1,9 @@
-import crypto from 'crypto';
-import { v5 as uuid } from 'uuid';
 import requestIp from 'request-ip';
 import { browserName, detectOS } from 'detect-browser';
 import maxmind from 'maxmind';
 import geolite2 from 'geolite2-redist';
 import isLocalhost from 'is-localhost-ip';
-
-const UUID_REGEX = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/;
-
-export function md5(s) {
-  return crypto.createHash('md5').update(s).digest('hex');
-}
-
-export function hash(...args) {
-  return uuid(args.join(''), md5(process.env.HASH_SALT));
-}
-
-export function validHash(s) {
-  return UUID_REGEX.test(s);
-}
+import { hash } from './crypto';
 
 export function getIpAddress(req) {
   // Cloudflare