From 57c92bdbc6f719bcf6abb839fca80afc38bc4519 Mon Sep 17 00:00:00 2001
From: Yasmany Cubela Medina <yasmanycm@gmail.com>
Date: Tue, 3 Jul 2012 22:23:48 -0530
Subject: [PATCH] fixing firewall only response to the entry point if there is
 a query string for facebook auth

---
 Security/Firewall/FacebookListener.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Security/Firewall/FacebookListener.php b/Security/Firewall/FacebookListener.php
index 00ef0ea..5c567fe 100644
--- a/Security/Firewall/FacebookListener.php
+++ b/Security/Firewall/FacebookListener.php
@@ -22,6 +22,7 @@ class FacebookListener extends AbstractAuthenticationListener
 {
     protected function attemptAuthentication(Request $request)
     {
-        return $this->authenticationManager->authenticate(new FacebookUserToken($this->providerKey));
+        if(!$request->getQueryString())
+            return $this->authenticationManager->authenticate(new FacebookUserToken($this->providerKey));
     }
 }