/**
  * Check Captcha On Forgot Password Page
  *
  * @param \Magento\Framework\Event\Observer $observer
  * @return $this
  */
 public function execute(\Magento\Framework\Event\Observer $observer)
 {
     $captchaModel = $this->helper->getCaptcha(self::FORM_ID);
     if ($captchaModel->isRequired()) {
         /** @var \Magento\Framework\App\Action\Action $controller */
         $controller = $observer->getControllerAction();
         if (!$captchaModel->isCorrect($this->captchaStringResolver->resolve($controller->getRequest(), self::FORM_ID))) {
             $customerId = $this->customerSession->getCustomerId();
             $this->authentication->processAuthenticationFailure($customerId);
             if ($this->authentication->isLocked($customerId)) {
                 $this->customerSession->logout();
                 $this->customerSession->start();
                 $message = __('The account is locked. Please wait and try again or contact %1.', $this->scopeConfig->getValue('contact/email/recipient_email'));
                 $this->messageManager->addError($message);
             }
             $this->messageManager->addError(__('Incorrect CAPTCHA'));
             $this->actionFlag->set('', \Magento\Framework\App\Action\Action::FLAG_NO_DISPATCH, true);
             $this->redirect->redirect($controller->getResponse(), '*/*/edit');
         }
     }
     $customer = $this->customerSession->getCustomer();
     $login = $customer->getEmail();
     $captchaModel->logAttempt($login);
     return $this;
 }
 /**
  * Change customer email or password action
  *
  * @return \Magento\Framework\Controller\Result\Redirect
  */
 public function execute()
 {
     /** @var \Magento\Framework\Controller\Result\Redirect $resultRedirect */
     $resultRedirect = $this->resultRedirectFactory->create();
     if (!$this->formKeyValidator->validate($this->getRequest())) {
         return $resultRedirect->setPath('*/*/edit');
     }
     if ($this->getRequest()->isPost()) {
         $currentCustomerDataObject = $this->getCurrentCustomerDataObject();
         $customerCandidateDataObject = $this->populateNewCustomerDataObject($this->_request, $currentCustomerDataObject);
         try {
             // whether a customer enabled change email option
             $this->changeEmail($currentCustomerDataObject);
             // whether a customer enabled change password option
             $isPasswordChanged = $this->changePassword($currentCustomerDataObject);
             $this->customerRepository->save($customerCandidateDataObject);
             $this->getEmailNotification()->sendNotificationEmailsIfRequired($currentCustomerDataObject, $customerCandidateDataObject, $isPasswordChanged);
             $this->dispatchSuccessEvent($customerCandidateDataObject);
             $this->messageManager->addSuccess(__('You saved the account information.'));
             return $resultRedirect->setPath('customer/account');
         } catch (InvalidEmailOrPasswordException $e) {
             $this->messageManager->addError($e->getMessage());
         } catch (UserLockedException $e) {
             $this->session->logout();
             $this->session->start();
             $this->messageManager->addError($e->getMessage());
             return $resultRedirect->setPath('customer/account/login');
         } catch (InputException $e) {
             $this->messageManager->addError($e->getMessage());
             foreach ($e->getErrors() as $error) {
                 $this->messageManager->addError($error->getMessage());
             }
         } catch (\Magento\Framework\Exception\LocalizedException $e) {
             $this->messageManager->addError($e->getMessage());
         } catch (\Exception $e) {
             $this->messageManager->addException($e, __('We can\'t save the customer.'));
         }
         $this->session->setCustomerFormData($this->getRequest()->getPostValue());
         return $resultRedirect->setPath('*/*/edit');
     }
     return $resultRedirect->setPath('*/*/edit');
 }