fix: #12227, fix crash in redirect

src/middleware/header.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const user = require('../user');
 const plugins = require('../plugins');
 const helpers = require('./helpers');
 
@@ -27,17 +26,5 @@ async function doBuildHeader(req, res) {
 	}
 
 	await plugins.hooks.fire('filter:middleware.buildHeader', { req: req, locals: res.locals });
-	const [config, canLoginIfBanned] = await Promise.all([
-		controllers.api.loadConfig(req),
-		user.bans.canLoginIfBanned(req.uid),
-	]);
-
-	if (!canLoginIfBanned && req.loggedIn) {
-		req.logout(() => {
-			res.redirect('/');
-		});
-		return;
-	}
-
-	res.locals.config = config;
+	res.locals.config = await controllers.api.loadConfig(req);
 }

src/middleware/user.js

@@ -221,6 +221,20 @@ module.exports = function (middleware) {
 		controllers.helpers.redirect(res, path);
 	});
 
+	middleware.redirectToHomeIfBanned = helpers.try(async (req, res, next) => {
+		if (req.loggedIn) {
+			const canLoginIfBanned = await user.bans.canLoginIfBanned(req.uid);
+			if (!canLoginIfBanned) {
+				req.logout(() => {
+					res.redirect('/');
+				});
+				return;
+			}
+		}
+
+		next();
+	});
+
 	middleware.requireUser = function (req, res, next) {
 		if (req.loggedIn) {
 			return next();

src/routes/helpers.js

@@ -18,6 +18,7 @@ helpers.setupPageRoute = function (...args) {
 	middlewares = [
 		middleware.applyBlacklist,
 		middleware.authenticateRequest,
+		middleware.redirectToHomeIfBanned,
 		middleware.maintenanceMode,
 		middleware.registrationComplete,
 		middleware.pluginHooks,