Begin integration of dotnet backend with biergarten nextjs code

Website/src/config/auth/cookie.ts

@@ -0,0 +1,35 @@
+import { NextApiResponse } from 'next';
+import { serialize, parse } from 'cookie';
+import { SessionRequest } from './types';
+import { NODE_ENV, SESSION_MAX_AGE, SESSION_TOKEN_NAME } from '../env';
+
+export function setTokenCookie(res: NextApiResponse, token: string) {
+  const cookie = serialize(SESSION_TOKEN_NAME, token, {
+    maxAge: SESSION_MAX_AGE,
+    httpOnly: false,
+    secure: NODE_ENV === 'production',
+    path: '/',
+    sameSite: 'lax',
+  });
+
+  res.setHeader('Set-Cookie', cookie);
+}
+
+export function removeTokenCookie(res: NextApiResponse) {
+  const cookie = serialize(SESSION_TOKEN_NAME, '', { maxAge: -1, path: '/' });
+  res.setHeader('Set-Cookie', cookie);
+}
+
+export function parseCookies(req: SessionRequest) {
+  // For API Routes we don't need to parse the cookies.
+  if (req.cookies) return req.cookies;
+
+  // For pages we do need to parse the cookies.
+  const cookie = req.headers?.cookie;
+  return parse(cookie || '');
+}
+
+export function getTokenCookie(req: SessionRequest) {
+  const cookies = parseCookies(req);
+  return cookies[SESSION_TOKEN_NAME];
+}