refactor: logic and routing folders on new-admin

lib/new-admin/routes/authentication.js

@@ -0,0 +1,42 @@
+const express = require('express')
+const router = express.Router()
+
+const login = require('../modules/login')
+const options = require('../../options')
+const T = require('../../time')
+
+const NEVER = new Date(Date.now() + 100 * T.years)
+const hostname = options.hostname
+
+const register = (req, res, next) => {
+  const otp = req.query.otp
+  const ua = req.headers['user-agent']
+  const ip = req.ip
+
+  if (!otp) return next()
+
+  return login.register(otp, ua, ip)
+    .then(r => {
+      if (r.expired) return res.status(401).send('OTP expired, generate new registration link')
+
+      // Maybe user is using old registration key, attempt to authenticate
+      if (!r.success) return next()
+
+      const cookieOpts = {
+        httpOnly: true,
+        secure: true,
+        domain: hostname,
+        sameSite: true,
+        expires: NEVER
+      }
+
+      const token = r.token
+      req.token = token
+      res.cookie('token', token, cookieOpts)
+      res.sendStatus(200)
+    })
+}
+
+router.get('/api/register', register)
+
+module.exports = router