handler.php

См. документацию.

<?php
 
namespace Sale\Handlers\PaySystem;
 
use Bitrix\Main\Error;
use Bitrix\Main\Request;
use Bitrix\Main\Type\DateTime;
use Bitrix\Sale\Payment;
use Bitrix\Sale\PaySystem;
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
 
PaySystem\Manager::includeHandler('WebMoney');
Loc::loadMessages(__FILE__);

class PayMasterHandler extends WebMoneyHandler
{
    public function initiatePay(Payment $payment, Request $request = null)
    {
        $extraParams = array(
            'PS_MODE' => $this->service->getField('PS_MODE'),
            'URL' => $this->getUrl($payment, 'pay'),
            'BX_PAYSYSTEM_CODE' => $this->service->getField('ID'),
            'PAYMASTER_SUCCESS_URL' => $this->getSuccessUrl($payment),
            'PAYMASTER_FAIL_URL' => $this->getFailUrl($payment),
        );
        $this->setExtraParams($extraParams);
 
        return $this->showTemplate($payment, 'template');
    }

    static public function getIndicativeFields()
    {
        return array('BX_HANDLER' => 'PAYMASTER');
    }

    public function processRequest(Payment $payment, Request $request)
    {
        $serviceResult = new PaySystem\ServiceResult();
 
        if ((int)$request->get('LMI_PREREQUEST') == 1 || (int)$request->get('LMI_PREREQUEST') == 2)
        {
            if (
                !$this->checkSum($payment, $request) ||
                $request->get('LMI_CURRENCY') != $this->getBusinessValue($payment, 'PAYMENT_CURRENCY') ||
                $request->get('LMI_MERCHANT_ID') != $this->getBusinessValue($payment, 'PAYMASTER_SHOP_ACCT')
            )
            {
                $serviceResult->addError(new Error(Loc::getMessage('SALE_HPS_PAYMASTER_ERROR_PARAMS_VALUE')));
            }
            else
            {
                $serviceResult->setData(array('CODE' => 'YES'));
            }
        }
        else
        {
            if ($this->checkHash($payment, $request))
            {
                $psDescription = '';
 
                if ($request->get("LMI_SIM_MODE") != 0)
                    $psDescription .= Loc::getMessage('SALE_HPS_PAYMASTER_SIM_MODE_TEST');
 
                $psDescription .= str_replace('#MERCHANT_ID#', $request->get("LMI_MERCHANT_ID"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_MERCHANT_ID'));
                $psDescription .= str_replace('#SYS_INVS_NO#', $request->get("LMI_SYS_INVS_NO"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_SYS_INVS_NO'));
                $psDescription .= str_replace('#SYS_TRANS_NO#', $request->get("LMI_SYS_TRANS_NO"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_SYS_TRANS_NO'));
                $psDescription .= str_replace('#SYS_TRANS_DATE#', $request->get("LMI_SYS_TRANS_DATE"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_SYS_TRANS_DATE'));
                $psDescription .= str_replace('#PAY_SYSTEM#', $request->get("LMI_PAY_SYSTEM"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_PAY_SYSTEM'));
 
                $psMessage = '';
                if ($request->get("LMI_PAYER_PURSE") !== null)
                    $psMessage .= str_replace('#PAYER_PURSE#', $request->get("LMI_PAYER_PURSE"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_PAYER_PURSE'));
 
                if ($request->get("LMI_PAYER_WM") !== null)
                    $psMessage .= str_replace('#PAYER_WM#', $request->get("LMI_PAYER_WM"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_PAYER_WM'));
 
                if ($request->get("LMI_PAYMER_NUMBER") !== null)
                    $psMessage .= str_replace('#PAYMER_NUMBER#', $request->get("LMI_PAYER_NUMBER"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_PAYER_NUMBER'));
 
                if ($request->get("LMI_PAYMER_EMAIL") !== null)
                    $psMessage .= str_replace('#PAYMER_EMAIL#', $request->get("LMI_PAYER_EMAIL"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_PAYER_EMAIL'));
 
                if ($request->get("LMI_TELEPAT_PHONENUMBER") !== null)
                    $psMessage .= str_replace('#TELEPAT_PHONENUMBER#', $request->get("LMI_TELEPAT_PHONENUMBER"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_TELEPAT_PHONENUMBER'));
 
                if ($request->get("LMI_TELEPAT_ORDERID") !== null)
                    $psMessage .= str_replace('#TELEPAT_ORDERID#', $request->get("LMI_TELEPAT_ORDERID"), Loc::getMessage('SALE_HPS_PAYMASTER_DESC_TELEPAT_ORDERID'));
 
                $psFields = array(
                    "PS_STATUS" => "Y",
                    "PS_STATUS_CODE" => "-",
                    "PS_STATUS_DESCRIPTION" => $psDescription,
                    "PS_STATUS_MESSAGE" => $psMessage,
                    "PS_SUM" => $request->get("LMI_PAYMENT_AMOUNT"),
                    "PS_CURRENCY" => $this->getBusinessValue($payment, 'PAYMENT_CURRENCY'),
                    "PS_RESPONSE_DATE" => new DateTime()
                );
 
                if ($this->checkSum($payment, $request)
                    && $this->getBusinessValue($payment, 'PAYMENT_CURRENCY') == $request->get("LMI_CURRENCY")
                    && $this->getBusinessValue($payment, 'PAYMASTER_SHOP_ACCT') == $request->get("LMI_MERCHANT_ID")
                    && !$payment->isPaid()
                    )
                {
                    $serviceResult->setOperationType(PaySystem\ServiceResult::MONEY_COMING);
                    $serviceResult->setPsData($psFields);
                }
                else
                {
                    $serviceResult->addError(new Error('Incorrect payment sum or payment flag'));
                }
            }
            else
            {
                $serviceResult->addError(new Error('Incorrect payment hash'));
            }
        }
 
        if (!$serviceResult->isSuccess())
        {
            $error = 'Paymaster: processRequest: '.join('\n', $serviceResult->getErrorMessages());
            PaySystem\Logger::addError($error);
        }
 
        return $serviceResult;
    }
 

    protected function getUrlList()
    {
        return array(
            'pay' => array(
                self::ACTIVE_URL => 'https://paymaster.ru/Payment/Init'
            )
        );
    }

    protected function checkHash(Payment $payment, Request $request)
    {
        $algorithm = $this->getBusinessValue($payment, 'PAYMASTER_HASH_ALGO');
 
        $string = $request->get("LMI_MERCHANT_ID").";".$request->get("LMI_PAYMENT_NO").";".$request->get("LMI_SYS_PAYMENT_ID").";".$request->get("LMI_SYS_PAYMENT_DATE").";".$request->get("LMI_PAYMENT_AMOUNT").";".$request->get("LMI_CURRENCY").";".$request->get("LMI_PAID_AMOUNT").";".$request->get("LMI_PAID_CURRENCY").";".$request->get("LMI_PAYMENT_SYSTEM").";".$request->get("LMI_SIM_MODE").";".$this->getBusinessValue($payment, 'PAYMASTER_CNST_SECRET_KEY');
 
        $hash = base64_encode(hash($algorithm, $string, true));
 
        return mb_strtoupper($hash) == mb_strtoupper($request->get('LMI_HASH'));
    }

    public function sendResponse(PaySystem\ServiceResult $result, Request $request)
    {
        global $APPLICATION;
        $APPLICATION->RestartBuffer();
 
        $data = $result->getData();
        if (array_key_exists('CODE', $data))
        {
            echo $data['CODE'];
            die();
        }
    }

    private function getSuccessUrl(Payment $payment)
    {
        return $this->getBusinessValue($payment, 'PAYMASTER_SUCCESS_URL') ?: $this->service->getContext()->getUrl();
    }

    private function getFailUrl(Payment $payment)
    {
        return $this->getBusinessValue($payment, 'PAYMASTER_FAIL_URL') ?: $this->service->getContext()->getUrl();
    }
}