From 0121e053f65563095b464c9f8366c6ede97a880b Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@rami.io>
Date: Tue, 21 Mar 2023 17:17:39 +0100
Subject: [PATCH] Fix non-functional login page after session timeout

---
 src/pretix/control/templates/pretixcontrol/auth/login.html | 1 +
 src/pretix/static/pretixcontrol/js/ui/main.js              | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/pretix/control/templates/pretixcontrol/auth/login.html b/src/pretix/control/templates/pretixcontrol/auth/login.html
index 560d4ddff7..f343aad729 100644
--- a/src/pretix/control/templates/pretixcontrol/auth/login.html
+++ b/src/pretix/control/templates/pretixcontrol/auth/login.html
@@ -46,4 +46,5 @@
             {% endif %}
         </div>
     </form>
+    <!-- pretix-login-marker -->{# marker required for ajax calls to detect that user session is over #}
 {% endblock %}
diff --git a/src/pretix/static/pretixcontrol/js/ui/main.js b/src/pretix/static/pretixcontrol/js/ui/main.js
index fec7bddac7..faf3193c4e 100644
--- a/src/pretix/static/pretixcontrol/js/ui/main.js
+++ b/src/pretix/static/pretixcontrol/js/ui/main.js
@@ -100,7 +100,9 @@ var i18nToString = function (i18nstring) {
 $(document).ajaxError(function (event, jqXHR, settings, thrownError) {
     waitingDialog.hide();
     var c = $(jqXHR.responseText).filter('.container');
-    if (c.length > 0) {
+    if (jqXHR.responseText.indexOf("<!-- pretix-login-marker -->") !== -1) {
+        location.href = '/control/login?next=' + encodeURIComponent(location.pathname + location.search + location.hash)
+    } else if (c.length > 0) {
         ajaxErrDialog.show(c.first().html());
     } else if (thrownError !== "abort" && thrownError !== "") {
         console.log(thrownError);