feat: disable auth (#59)

backend/routes/auth.js

@@ -3,6 +3,14 @@ const router = express.Router();
 
 const auth = require("../services/auth");
 
+router.get("/login", async function (req, res) {
+  if (process.env.ZU_DISABLE_AUTH === "true") {
+    res.send({ enabled: false });
+  } else {
+    res.send({ enabled: true });
+  }
+});
+
 router.post("/login", async function (req, res) {
   if (req.body.username && req.body.password) {
     auth.authorize(req.body.username, req.body.password, function (err, user) {

backend/services/auth.js

@@ -20,6 +20,9 @@ async function authorize(username, password, callback) {
 
 exports.isAuthorized = isAuthorized;
 async function isAuthorized(req, res, next) {
+  if (process.env.ZU_DISABLE_AUTH === "true") {
+    next();
+  } else {
     if (req.token) {
       const user = await db.get("users").find({ token: req.token }).value();
       if (user) {
@@ -31,3 +34,4 @@ async function isAuthorized(req, res, next) {
       res.status(401).send({ error: "Specify token" });
     }
   }
+}

frontend/src/components/HomeLoggedOut/HomeLoggedOut.jsx

@@ -1,6 +1,19 @@
 import { Grid, Typography } from "@material-ui/core";
+import { useLocalStorage } from "react-use";
+import axios from "axios";
+import { useHistory } from "react-router-dom";
 
 function HomeLoggedOut() {
+  const [, setLoggedIn] = useLocalStorage("loggedIn", false);
+  const [, setToken] = useLocalStorage("token", null);
+  const history = useHistory();
+  axios.get("/auth/login").then(function (response) {
+    if (!response.data.enabled) {
+      setLoggedIn(true);
+      setToken("");
+      history.go(0);
+    }
+  });
   return (
     <Grid
       container