[Security] updated with "intention"

src/Symfony/Bundle/SecurityBundle/DependencyInjection/Security/Factory/FormLoginFactory.php

@@ -30,7 +30,7 @@ class FormLoginFactory extends AbstractFactory
         $this->addOption('username_parameter', '_username');
         $this->addOption('password_parameter', '_password');
         $this->addOption('csrf_parameter', '_csrf_token');
-        $this->addOption('csrf_page_id', 'form_login');
+        $this->addOption('intention', 'authenticate');
         $this->addOption('post_only', true);
     }
 

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

@@ -42,7 +42,7 @@ class UsernamePasswordFormAuthenticationListener extends AbstractAuthenticationL
             'username_parameter' => '_username',
             'password_parameter' => '_password',
             'csrf_parameter'     => '_csrf_token',
-            'csrf_page_id'       => 'form_login',
+            'intention'          => 'authenticate',
             'post_only'          => true,
         ), $options), $successHandler, $failureHandler, $logger, $dispatcher);
 
@@ -65,7 +65,7 @@ class UsernamePasswordFormAuthenticationListener extends AbstractAuthenticationL
         if (null !== $this->csrfProvider) {
             $csrfToken = $request->get($this->options['csrf_parameter']);
 
-            if (false === $this->csrfProvider->isCsrfTokenValid($this->options['csrf_page_id'], $csrfToken)) {
+            if (false === $this->csrfProvider->isCsrfTokenValid($this->options['intention'], $csrfToken)) {
                 throw new InvalidCsrfTokenException('Invalid CSRF token.');
             }
         }