Checking authentication on the backend

static/js/common.js

@@ -62,3 +62,32 @@ export function stripeInit(pubKey) {
         });
     })();
 }
+
+export function checkAuth(api) {
+    if (localStorage.getItem("token") === null) {
+        location.href = "/login";
+        return
+    } else {
+        let token = localStorage.getItem("token")
+        const myHeaders = new Headers();
+        myHeaders.append("Content-Type", "application/json");
+        myHeaders.append("Authorization", "Bearer " + token);
+
+        const requestOptions = {
+            method: "POST",
+            Headers: myHeaders,
+        }
+
+        fetch(api + "/api/is-authenticated", requestOptions)
+        .then(response => response.json())
+            .then(function(data) {
+                if (data.error === true) {
+                    console.log("not logged in");
+                    location.href = "/login"
+                } else {
+                    console.log("Logged in");
+                }
+            })
+    }
+}
+