From acd2e2e0ec72a383d705c2fd62f62d4b0ee5335e Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.com>
Date: Sat, 13 Jul 2024 18:06:14 +0530
Subject: refreshing the token on every page change; also makes sure that user
 is logged in with a valid session everytime

---
 src/router/index.ts | 42 +++++++++++++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 13 deletions(-)

diff --git a/src/router/index.ts b/src/router/index.ts
index d498728..73d7499 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -1,4 +1,5 @@
 import { createRouter, createWebHistory } from 'vue-router'
+import axios from "axios"
 
 import Register from '../views/Register.vue'
 import LogIn from '../views/LogIn.vue'
@@ -19,74 +20,89 @@ const router = createRouter({
       path: '/register',
       name: 'register',
       component: Register,
-      meta: { isAuth: false }
+      meta: { requiresAuth: false }
     },
     {
       path: '/login',
       name: 'log in',
       component: LogIn,
-      meta: { isAuth: false }
+      meta: { requiresAuth: false }
     },
     {
       path: '/',
       name: 'home',
       component: HomeView,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/brand',
       name: 'brand',
       component: AllBrands,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/customer',
       name: 'customer',
       component: AllCustomers,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/customer/new',
       name: 'new-customer',
       component: NewCustomer,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/item',
       name: 'item',
       component: AllItems,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/item/new',
       name: 'new-item',
       component: NewItem,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/invoice/new',
       name: 'new-invoice',
       component: NewInvoice,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/invoice/edit/:id',
       name: 'edit-invoice',
       component: EditInvoice,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
     {
       path: '/invoice/view/:id',
       name: 'view-invoice',
       component: ViewInvoice,
-      meta: { isAuth: true }
+      meta: { requiresAuth: true }
     },
   ]
 })
 
 router.beforeEach((to, _, next) => {
-  if (to.meta.isAuth && !localStorage.getItem('authToken')) {
-    next(`/login?redirect=${to.fullPath}`)
+  if (to.meta.requiresAuth) {
+    if (!localStorage.getItem('authToken')) {
+      next(`/login?redirect=${to.fullPath}&reason=not_logged_in`)
+    } else {
+      // refresh the token on every route change
+      // this makes sure token isn't expired
+      axios.post(
+        '/auth/refresh',
+        { RefreshToken: localStorage.getItem('refToken') }
+      ).then(res => {
+        localStorage.setItem('authToken', res.data.auth_token)
+        next()
+      }).catch(_ => {
+        // if error is 401 then axios interceptor will automatically handle it
+        next(`/login?redirect=${to.fullPath}&reason=err`)
+      })
+    }
   } else {
     next()
   }
-- 
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