From efc644c960bbc59ac5a48ecef085d0feda195e27 Mon Sep 17 00:00:00 2001
From: Steven Daniele <sdaniele@gatech.edu>
Date: Thu, 28 Oct 2021 14:23:38 -0400
Subject: [PATCH] support apache REDIRECT_* for remote user login

---
 app/Http/Controllers/Auth/LoginController.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index b7bbe45365..2c94cc70b2 100644
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -154,6 +154,9 @@ class LoginController extends Controller
     {
         $header_name = Setting::getSettings()->login_remote_user_header_name ?: 'REMOTE_USER';
         $remote_user = $request->server($header_name);
+        if (!isset($remote_user)) {
+          $remote_user = $request->server('REDIRECT_'.$header_name);
+        }
         if (Setting::getSettings()->login_remote_user_enabled == '1' && isset($remote_user) && ! empty($remote_user)) {
             Log::debug("Authenticating via HTTP header $header_name.");