[Security] fixes some regressions

src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php

@@ -66,12 +66,8 @@ class SecurityExtension extends Extension
         $loader->load('collectors.xml');
 
         // set some global scalars
-        if (isset($config['access_denied_url'])) {
-            $container->setParameter('security.access.denied_url', $config['access_denied_url']);
-        }
-        if (isset($config['session_fixation_protection'])) {
-            $container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_protection']);
-        }
+        $container->setParameter('security.access.denied_url', $config['access_denied_url']);
+        $container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_strategy']);
 
         $this->createFirewalls($config, $container);
         $this->createAuthorization($config, $container);

src/Symfony/Component/Security/Http/Firewall/AbstractAuthenticationListener.php

@@ -195,7 +195,7 @@ abstract class AbstractAuthenticationListener implements ListenerInterface
             }
 
             $subRequest = Request::create($this->options['failure_path']);
-            $subRequest->attributes->set(SecurityContext::AUTHENTICATION_ERROR, $failed->getMessage());
+            $subRequest->attributes->set(SecurityContextInterface::AUTHENTICATION_ERROR, $failed->getMessage());
 
             return $event->getSubject()->handle($subRequest, HttpKernelInterface::SUB_REQUEST);
         } else {
@@ -203,7 +203,7 @@ abstract class AbstractAuthenticationListener implements ListenerInterface
                 $this->logger->debug(sprintf('Redirecting to %s', $this->options['failure_path']));
             }
 
-            $request->getSession()->set(SecurityContext::AUTHENTICATION_ERROR, $failed->getMessage());
+            $request->getSession()->set(SecurityContextInterface::AUTHENTICATION_ERROR, $failed->getMessage());
 
             $response = new Response();
             $response->setRedirect(0 !== strpos($this->options['failure_path'], 'http') ? $request->getUriForPath($this->options['failure_path']) : $this->options['failure_path'], 302);
@@ -221,8 +221,8 @@ abstract class AbstractAuthenticationListener implements ListenerInterface
         $this->securityContext->setToken($token);
 
         $session = $request->getSession();
-        $session->remove(SecurityContext::AUTHENTICATION_ERROR);
-        $session->remove(SecurityContext::LAST_USERNAME);
+        $session->remove(SecurityContextInterface::AUTHENTICATION_ERROR);
+        $session->remove(SecurityContextInterface::LAST_USERNAME);
 
         if (null !== $this->eventDispatcher) {
             $this->eventDispatcher->notify(new Event($this, 'security.interactive_login', array('request' => $request, 'token' => $token)));

src/Symfony/Component/Security/Http/Firewall/ExceptionListener.php

@@ -124,7 +124,7 @@ class ExceptionListener implements ListenerInterface
                         }
 
                         $subRequest = Request::create($this->errorPage);
-                        $subRequest->attributes->set(SecurityContext::ACCESS_DENIED_ERROR, $exception->getMessage());
+                        $subRequest->attributes->set(SecurityContextInterface::ACCESS_DENIED_ERROR, $exception->getMessage());
 
                         $response = $event->getSubject()->handle($subRequest, HttpKernelInterface::SUB_REQUEST, true);
                         $response->setStatusCode(403);

src/Symfony/Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php

@@ -57,7 +57,7 @@ class UsernamePasswordFormAuthenticationListener extends AbstractAuthenticationL
         $username = trim($request->get($this->options['username_parameter']));
         $password = $request->get($this->options['password_parameter']);
 
-        $request->getSession()->set(SecurityContext::LAST_USERNAME, $username);
+        $request->getSession()->set(SecurityContextInterface::LAST_USERNAME, $username);
 
         return $this->authenticationManager->authenticate(new UsernamePasswordToken($username, $password, $this->providerKey));
     }