feat(api): ✨ Add routes for subscribing webhook

apps/viewer/services/api/utils.ts

@@ -0,0 +1,17 @@
+import { User } from 'db'
+import prisma from 'libs/prisma'
+import { NextApiRequest } from 'next'
+
+export const authenticateUser = async (
+  req: NextApiRequest
+): Promise<User | undefined> => authenticateByToken(extractBearerToken(req))
+
+const authenticateByToken = async (
+  apiToken?: string
+): Promise<User | undefined> => {
+  if (!apiToken) return
+  return (await prisma.user.findFirst({ where: { apiToken } })) as User
+}
+
+const extractBearerToken = (req: NextApiRequest) =>
+  req.headers['authorization']?.slice(7)