silverstripe-framework/tests/php/Forms/FormTest/ControllerWithSecurityToken.php

<?php

namespace SilverStripe\Forms\Tests\FormTest;

use SilverStripe\Control\Controller;
use SilverStripe\Dev\TestOnly;
use SilverStripe\Forms\EmailField;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;
use SilverStripe\Forms\FormAction;

/**
 * @skipUpgrade
 */
class ControllerWithSecurityToken extends Controller implements TestOnly
{

	private static $allowed_actions = array('Form');

	private static $url_handlers = array(
		'$Action//$ID/$OtherID' => "handleAction",
	);

	protected $template = 'BlankPage';

	public function Link($action = null)
	{
		return Controller::join_links('FormTest_ControllerWithSecurityToken',
			$this->getRequest()->latestParam('Action'),
			$this->getRequest()->latestParam('ID'), $action);
	}

	public function Form()
	{
		$form = new Form(
			$this,
			'Form',
			new FieldList(
				new EmailField('Email')
			),
			new FieldList(
				new FormAction('doSubmit')
			)
		);

		return $form;
	}

	public function doSubmit($data, $form, $request)
	{
		$form->sessionMessage('Test save was successful', 'good');
		return $this->redirectBack();
	}

}