server: Fixed redirect loop on auth internal failure.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@gisle/rpdata-frontend",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "RPData (www.aiterp.net) frontend/proxy",
   "main": "./index.js",
   "scripts": {

routes/auth.js

@@ -17,7 +17,11 @@ router.get("/login", saveReferer, passport.authenticate("auth0", {scope: "openid
   res.redirect("/")
 })
 
-router.get("/callback", passport.authenticate("auth0", { failureRedirect: "/auth/login" }), (req, res) => {
+router.get("/error", (req, res) => {  
+  res.render("Login error")
+})
+
+router.get("/callback", passport.authenticate("auth0", { failureRedirect: "/auth/error" }), (req, res) => {
   if (req.user == null) {
     throw new Error("user null");
   }