From e04136524c1bf74c9bcfca8dc471a1339f94f537 Mon Sep 17 00:00:00 2001
From: Christophe Coevoet <stof@notk.org>
Date: Mon, 11 Jul 2016 11:55:50 +0200
Subject: [PATCH] Fix the retrieval of the last username when using forwarding

---
 .../Security/Http/Authentication/AuthenticationUtils.php  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Security/Http/Authentication/AuthenticationUtils.php b/src/Symfony/Component/Security/Http/Authentication/AuthenticationUtils.php
index 4d5c71aa5c..c6397e8ca1 100644
--- a/src/Symfony/Component/Security/Http/Authentication/AuthenticationUtils.php
+++ b/src/Symfony/Component/Security/Http/Authentication/AuthenticationUtils.php
@@ -65,7 +65,13 @@ class AuthenticationUtils
      */
     public function getLastUsername()
     {
-        $session = $this->getRequest()->getSession();
+        $request = $this->getRequest();
+
+        if ($request->attributes->has(Security::LAST_USERNAME)) {
+            return $request->attributes->get(Security::LAST_USERNAME);
+        }
+
+        $session = $request->getSession();
 
         return null === $session ? '' : $session->get(Security::LAST_USERNAME);
     }