Update token generation (#1372)

- Permit only decode token to get map details,
 - If user have token expired, set the token to null and reload the page. This feature will be updated when authentication stategy will be finished.

Signed-off-by: Gregoire Parant <g.parant@thecodingmachine.com>

front/src/Connexion/ConnectionManager.ts

@@ -29,11 +29,24 @@ class ConnectionManager {
         });
     }
 
-    public loadOpenIDScreen() {
-        localUserStore.setAuthToken(null);
+    /**
+     * @return Promise<void>
+     */
+    public loadOpenIDScreen(): Promise<void> {
         const state = localUserStore.generateState();
         const nonce = localUserStore.generateNonce();
-        window.location.assign(`http://${PUSHER_URL}/login-screen?state=${state}&nonce=${nonce}`);
+        localUserStore.setAuthToken(null);
+
+        //TODO refactor this and don't realise previous call
+        return Axios.get(`http://${PUSHER_URL}/login-screen?state=${state}&nonce=${nonce}`)
+            .then(() => {
+                window.location.assign(`http://${PUSHER_URL}/login-screen?state=${state}&nonce=${nonce}`);
+            })
+            .catch((err) => {
+                console.error(err, "We don't have URL to regenerate authentication user");
+                //TODO show modal login
+                window.location.reload();
+            });
     }
 
     public logout() {