Redirect with relative URL.

That allows proxy middleware to adjust/complete the Location header.

1 files changed, 3 insertions, 1 deletions

diff --git a/talermerchantdemos/donations/donations.py b/talermerchantdemos/donations/donations.py
index 01e8f12..dd42713 100644
--- a/talermerchantdemos/donations/donations.py
+++ b/talermerchantdemos/donations/donations.py
@@ -25,6 +25,7 @@ from flask_babel import Babel
 from flask_babel import refresh
 from flask_babel import force_locale
 from flask_babel import gettext
+from werkzeug.middleware.proxy_fix import ProxyFix
 import os
 import time
 import traceback
@@ -48,6 +49,7 @@ LOGGER = logging.getLogger(__name__)
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
 app = flask.Flask(__name__, template_folder="../templates", static_folder="../static")
+app.wsgi_app = ProxyFix(app.wsgi_app, x_host=1, x_prefix=1)
 app.debug = True
 app.secret_key = base64.b64encode(os.urandom(64)).decode("utf-8")
 
@@ -158,7 +160,7 @@ def favicon():
 def index():
     default = "en"
     target = flask.request.accept_languages.best_match(translations, default)
-    return flask.redirect("/" + target + "/", code=302)
+    return flask.redirect(target + "/", code=302)
 
 
 ##