How to generate Password Reset Token in Magento 2

Question

I want to generate password reset token in Magento 2.

In magento 1, I was generating token by using below code -

$oldtoken = $cust->getRpToken();
$newResetPasswordLinkToken = Mage::helper('customer')->generateResetPasswordLinkToken();
$cust->changeResetPasswordLinkToken($newResetPasswordLinkToken);`

But not sure how to generate in magento 2.

I have search complete /vendor/magento/module-customer but not able to generate Token.

Edit -

Code for Magento 2 -

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$helper = $objectManager->get('\Magento\Customer\Helper\View');
$newResetPasswordLinkToken = $helper->generateResetPasswordLinkToken();
$cust->changeResetPasswordLinkToken($newResetPasswordLinkToken);

Answer 1

You can load the helper \Magento\User\Helper\Data, it's located on vendor/magento/module-user/Helper/Data.php. Then find the function generateResetPasswordLinkToken() on line 50.

======Update on 19:00 16 Jun 2017======

Per user request, I added an example to get token using DI

class XXXX{
    protected $_userHelper;

    /* Other DIs come here */

    public function __construct(
        \Magento\User\Helper\Data $user_helper,
        /* Other DIs come here */
    ) {
        $this->_userHelper= $user_helper;
        /* Other DIs come here */
    }

    /* The function name is up to you */
    public function getToken(){
        return $this->_userHelper->generateResetPasswordLinkToken();
    }
    /* other functions */
}

Answer 2

Find below

vendor/magento/module-customer/Model/AccountManagement.php

Please find public function initiatePasswordReset($email, $template, $websiteId = null)

you can get it from line 505, as below

$newPasswordToken = $this->mathRandom->getUniqueHash();
$this->changeResetPasswordLinkToken($customer, $newPasswordToken);

======== Reset Password Token for Customer ============

class YOURCLASSNAME {

    protected $_accountmanagement;
    private $_customerRepository;
    private $_mathRandom;

    /* Other DIs come here */

    public function __construct(
        \Magento\Customer\Model\AccountManagement $accountmanagement,
        \Magento\Customer\Api\CustomerRepositoryInterface $customerRepository,
        \Magento\Framework\Math\Random $mathRandom,
        /* Other DIs come here */
    ) {
        $this->_accountmanagement= $accountmanagement;
        $this->_customerRepository= $customerRepository;
        $this->_mathRandom= $mathRandom;
        /* Other DIs come here */
    }

    /* The function name is up to you */
    public function getToken($email, $websiteId){
        $customer = $this->_customerRepository->get($email, $websiteId);

        $newPasswordToken = $this->_mathRandom->getUniqueHash();
        $this->_accountmanagement->changeResetPasswordLinkToken($customer, $newPasswordToken);
    }
    /* other functions */
}