From a478dc7ee8efa43d50283346f904e3a6125ae3b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <baris@nodebb.org>
Date: Mon, 26 Apr 2021 10:35:34 -0400
Subject: [PATCH] feat: add filter:middleware.autoLocale

---
 src/middleware/headers.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/middleware/headers.js b/src/middleware/headers.js
index e06082851c..dacfb62dec 100644
--- a/src/middleware/headers.js
+++ b/src/middleware/headers.js
@@ -7,6 +7,7 @@ const _ = require('lodash');
 const meta = require('../meta');
 const languages = require('../languages');
 const helpers = require('./helpers');
+const plugins = require('../plugins');
 
 module.exports = function (middleware) {
 	middleware.addHeaders = helpers.try((req, res, next) => {
@@ -74,9 +75,12 @@ module.exports = function (middleware) {
 	});
 
 	middleware.autoLocale = helpers.try(async (req, res, next) => {
-		let langs;
+		await plugins.hooks.fire('filter:middleware.autoLocale', {
+			req: req,
+			res: res,
+		});
 		if (req.query.lang) {
-			langs = await listCodes();
+			const langs = await listCodes();
 			if (!langs.includes(req.query.lang)) {
 				req.query.lang = meta.config.defaultLang;
 			}
@@ -85,7 +89,7 @@ module.exports = function (middleware) {
 		if (parseInt(req.uid, 10) > 0 || !meta.config.autoDetectLang) {
 			return next();
 		}
-		langs = await listCodes();
+		const langs = await listCodes();
 		const lang = req.acceptsLanguages(langs);
 		if (!lang) {
 			return next();