How is a CAPTCHA checked for the frontend customer registration form?

dmitrii_fediuk · March 4, 2016, 1:57am

magento/magento2/blob/cf7df72/app/code/Magento/Captcha/etc/events.xml#L12-L14


<event name="controller_action_predispatch_customer_account_createpost">
    <observer name="captcha" instance="Magento\Captcha\Observer\CheckUserCreateObserver" />
</event>

github.com

magento/magento2/blob/cf7df72/app/code/Magento/Captcha/Observer/CheckUserCreateObserver.php#L81-L98


public function execute(\Magento\Framework\Event\Observer $observer)
{
    $formId = 'user_create';
    $captchaModel = $this->_helper->getCaptcha($formId);
    if ($captchaModel->isRequired()) {
        /** @var \Magento\Framework\App\Action\Action $controller */
        $controller = $observer->getControllerAction();
        if (!$captchaModel->isCorrect($this->captchaStringResolver->resolve($controller->getRequest(), $formId))) {
            $this->messageManager->addError(__('Incorrect CAPTCHA'));
            $this->_actionFlag->set('', \Magento\Framework\App\Action\Action::FLAG_NO_DISPATCH, true);
            $this->_session->setCustomerFormData($controller->getRequest()->getPostValue());
            $url = $this->_urlManager->getUrl('*/*/create', ['_nosecret' => true]);
            $controller->getResponse()->setRedirect($this->redirect->error($url));
        }
    }


    return $this;
}

dmitrii_fediuk · March 4, 2016, 2:02am