Merge pull request #109 from tituspijean/mod-redirect-logout

[mod] Redirect after logout if `r` URI argument exists

helpers.lua

@@ -889,9 +889,13 @@ function logout()
         flash("info", t("logged_out"))
     end
 
-    -- Redirect to portal anyway
+    -- 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
 
 
 -- Set cookie and redirect (needed to properly set cookie)