From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Sat, 3 Aug 2013 19:26:54 +0200
Subject: twig implementation

---
 .../Extension/Csrf/Type/FormTypeCsrfExtension.php  | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php

(limited to 'vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php')

diff --git a/vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php b/vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php
new file mode 100644
index 00000000..336cf047
--- /dev/null
+++ b/vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php
@@ -0,0 +1,129 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Extension\Csrf\Type;
+
+use Symfony\Component\Form\AbstractTypeExtension;
+use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface;
+use Symfony\Component\Form\Extension\Csrf\EventListener\CsrfValidationListener;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class FormTypeCsrfExtension extends AbstractTypeExtension
+{
+    /**
+     * @var CsrfProviderInterface
+     */
+    private $defaultCsrfProvider;
+
+    /**
+     * @var Boolean
+     */
+    private $defaultEnabled;
+
+    /**
+     * @var string
+     */
+    private $defaultFieldName;
+
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+
+    /**
+     * @var null|string
+     */
+    private $translationDomain;
+
+    public function __construct(CsrfProviderInterface $defaultCsrfProvider, $defaultEnabled = true, $defaultFieldName = '_token', TranslatorInterface $translator = null, $translationDomain = null)
+    {
+        $this->defaultCsrfProvider = $defaultCsrfProvider;
+        $this->defaultEnabled = $defaultEnabled;
+        $this->defaultFieldName = $defaultFieldName;
+        $this->translator = $translator;
+        $this->translationDomain = $translationDomain;
+    }
+
+    /**
+     * Adds a CSRF field to the form when the CSRF protection is enabled.
+     *
+     * @param FormBuilderInterface $builder The form builder
+     * @param array                $options The options
+     */
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        if (!$options['csrf_protection']) {
+            return;
+        }
+
+        $builder
+            ->setAttribute('csrf_factory', $builder->getFormFactory())
+            ->addEventSubscriber(new CsrfValidationListener(
+                $options['csrf_field_name'],
+                $options['csrf_provider'],
+                $options['intention'],
+                $options['csrf_message'],
+                $this->translator,
+                $this->translationDomain
+            ))
+        ;
+    }
+
+    /**
+     * Adds a CSRF field to the root form view.
+     *
+     * @param FormView      $view    The form view
+     * @param FormInterface $form    The form
+     * @param array         $options The options
+     */
+    public function finishView(FormView $view, FormInterface $form, array $options)
+    {
+        if ($options['csrf_protection'] && !$view->parent && $options['compound']) {
+            $factory = $form->getConfig()->getAttribute('csrf_factory');
+            $data = $options['csrf_provider']->generateCsrfToken($options['intention']);
+
+            $csrfForm = $factory->createNamed($options['csrf_field_name'], 'hidden', $data, array(
+                'mapped' => false,
+            ));
+
+            $view->children[$options['csrf_field_name']] = $csrfForm->createView($view);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'csrf_protection'   => $this->defaultEnabled,
+            'csrf_field_name'   => $this->defaultFieldName,
+            'csrf_provider'     => $this->defaultCsrfProvider,
+            'csrf_message'      => 'The CSRF token is invalid. Please try to resubmit the form.',
+            'intention'         => 'unknown',
+        ));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getExtendedType()
+    {
+        return 'form';
+    }
+}
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