From a80b6a5d8eada7c9d17bcc5964dd6ce3ac1478f2 Mon Sep 17 00:00:00 2001
From: MS <ms@taler.net>
Date: Wed, 2 Nov 2022 11:20:44 +0100
Subject: i18n

manage unsupported languages
---
 talermerchantdemos/survey/survey.py | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'talermerchantdemos/survey/survey.py')

diff --git a/talermerchantdemos/survey/survey.py b/talermerchantdemos/survey/survey.py
index fbdbf25..1f0fffb 100644
--- a/talermerchantdemos/survey/survey.py
+++ b/talermerchantdemos/survey/survey.py
@@ -22,6 +22,7 @@ import datetime
 import base64
 import uwsgi
 import logging
+import werkzeug
 from urllib.parse import urljoin
 import flask
 from flask import request
@@ -159,6 +160,13 @@ def index():
 @app.route("/<lang>/", methods=["GET"])
 def start(lang):
     LOGGER.info("Serving main page.  Currency: {}".format(CURRENCY))
+
+    # get_locale defaults to english, hence the
+    # condition below happens only when lang is
+    # wrong or unsupported, respond 404.
+    if lang != get_locale():
+        raise werkzeug.exceptions.NotFound()
+
     return flask.render_template(
         "survey-index.html.j2",
         page_title=gettext("GNU Taler Demo: Survey"),
@@ -167,6 +175,7 @@ def start(lang):
 
 
 @app.errorhandler(404)
+@app.errorhandler(werkzeug.exceptions.NotFound)
 def handler_404(e):
     return flask.render_template(
         "survey-error.html.j2",
-- 
cgit v1.2.3