feat: add protect routes

src/pages/auth.tsx

@@ -2,8 +2,9 @@ import { useState } from 'react'
 
 import { useAuth } from 'hooks/useAuth'
 import { fetchData } from 'services/fetchData'
+import { guestUserRoute } from 'utils/guestUserRoute'
 
-import type { GetStaticProps } from 'next'
+import type { GetServerSideProps } from 'next'
 
 export default function AuthPage() {
   const { signIn } = useAuth()
@@ -36,7 +37,7 @@ export default function AuthPage() {
   )
 }
 
-export const getStaticProps: GetStaticProps = async () => {
+export const getServerSideProps: GetServerSideProps = guestUserRoute(async () => {
   const initialData = await fetchData()
-  return { props: { initialData }, revalidate: 1 }
-}
+  return { props: { initialData } }
+})

src/pages/dash.tsx

@@ -1,5 +1,6 @@
 import { Dash } from 'components/Dash'
 import { fetchData } from 'services/fetchData'
+import { authenticatedUserRoute } from 'utils/authenticatedUserRoute'
 
 import type { GetServerSideProps } from 'next'
 import type { Data } from 'types/Data'
@@ -12,7 +13,10 @@ export default function DashPage({ initialData }: DashPageProps) {
   return <Dash initialData={initialData} />
 }
 
-export const getServerSideProps: GetServerSideProps = async () => {
-  const initialData = await fetchData()
-  return { props: { initialData } }
-}
+export const getServerSideProps: GetServerSideProps = authenticatedUserRoute(
+  async () => {
+    const initialData = await fetchData()
+    return { props: { initialData } }
+  },
+  { roles: ['ADMIN', 'EDITOR'] }
+)

src/utils/authenticatedUserRoute.ts

@@ -0,0 +1,46 @@
+import { GetServerSideProps, GetServerSidePropsContext } from 'next'
+import { parseCookies } from 'nookies'
+import { decode } from 'jsonwebtoken'
+
+import { validateUserPermissions } from 'utils/validateUserPermissions'
+
+import type { Role } from '@prisma/client'
+
+type Options = {
+  roles: Role[]
+}
+
+export function authenticatedUserRoute(fn: GetServerSideProps, options?: Options) {
+  return async (ctx: GetServerSidePropsContext) => {
+    const { accessToken } = parseCookies(ctx)
+
+    if (!accessToken) {
+      return {
+        redirect: {
+          destination: '/auth',
+          permanent: false
+        }
+      }
+    }
+
+    const { role: userRole } = decode(accessToken) as { role: Role }
+
+    if (options) {
+      const userHasValidPermissions = validateUserPermissions({
+        userRole,
+        roles: options.roles
+      })
+
+      if (!userHasValidPermissions) {
+        return {
+          redirect: {
+            destination: '/',
+            permanent: false
+          }
+        }
+      }
+    }
+
+    return await fn(ctx)
+  }
+}

src/utils/guestUserRoute.ts

@@ -0,0 +1,20 @@
+import { parseCookies } from 'nookies'
+
+import type { GetStaticProps, GetServerSidePropsContext } from 'next'
+
+export function guestUserRoute(fn: GetStaticProps) {
+  return async (ctx: GetServerSidePropsContext) => {
+    const { accessToken } = parseCookies(ctx)
+
+    if (accessToken) {
+      return {
+        redirect: {
+          destination: '/dash',
+          permanent: false
+        }
+      }
+    }
+
+    return await fn(ctx)
+  }
+}

src/utils/validateUserPermissions.ts

@@ -0,0 +1,20 @@
+import type { Role } from '@prisma/client'
+
+type ValidateUserPermissionsParams = {
+  userRole: Role
+  roles?: Role[]
+}
+
+export function validateUserPermissions({ userRole, roles }: ValidateUserPermissionsParams) {
+  if (roles && roles.length > 0) {
+    const hasPermission = roles.some(role => {
+      return userRole.includes(role)
+    })
+
+    if (!hasPermission) {
+      return false
+    }
+  }
+
+  return true
+}