true real fix

app.js

@@ -45,7 +45,7 @@ app.use(server_session);
 store.sync()
 
 // Auth middleware
-let redirect_uri = process.env.NODE_ENV === "development" ? 'http://localhost:3000/auth' : 'https://graphe-des-assos.cs-campus.fr';
+let redirect_uri = process.env.NODE_ENV === "development" ? 'http://localhost:3000/auth' : 'https://graphe-des-assos.cs-campus.fr/auth';
 function auth (req, res, next) {
   if (req.session
     && req.session.expires_at