From 11d0e0689a6ace3981a213dffdb2a11c41a799f8 Mon Sep 17 00:00:00 2001
From: tituspijean <tituspijean@outlook.com>
Date: Sat, 15 Sep 2018 09:25:48 +0200
Subject: [PATCH] [mod] Redirect after logout if `r` URI argument exists

---
 helpers.lua | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/helpers.lua b/helpers.lua
index 2d5e690..6822d6c 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -889,8 +889,12 @@ function logout()
         flash("info", t("logged_out"))
     end
 
-    -- Redirect to portal anyway
-    return redirect(conf.portal_url)
+    -- Redirect with the `r` URI argument if it exists or redirect to portal
+    if args.r then
+        return redirect(ngx.decode_base64(args.r))
+    else
+        return redirect(conf.portal_url)
+    end
 end