tenpay.js 2.95 KB
/**
 *
 * @author: xiaoxiao.hao<xiaoxiao.hao>
 * @date: 2017/3/24
 */

'use strict';

const helpers = global.yoho.helpers;
const moment = require('moment');
const sign = require('./sign');
const md5 = require('md5');
const logger = global.yoho.logger;
const PAY_URL = 'https://gw.tenpay.com/gateway/pay.htm?';

const Tenpay = {

    pay(user, order, param, protocol) {
        let payParams = JSON.parse(param.payParams);
        let extraParam = JSON.stringify({
            sign_id_ext: user.uid
        });
        let params = {
            partner: payParams.merchant_id, // 商户号
            out_trade_no: order.order_code, // 商户订单号
            total_fee: order.payment_amount * 100, // 总金额 以分为单位
            return_url: protocol + ':' + helpers.urlFormat('/shopping/pay/callback/tenpay'), // 同步地址
            notify_url: protocol + ':' + helpers.urlFormat('/shopping/pay/notify/tenpay'), // 异步通知地址
            body: '有货订单号:' + order.order_code, // 商品描述
            bank_type: 'DEFAULT', // 银行类型,默认为财付通
            spbill_create_ip: user.IP, // 客户端IP
            fee_type: '1', // 币种
            subject: '有货订单号:' + order.order_code, // 商品名称,(中介交易时必填)
            sign_type: 'MD5',
            service_version: '1.0', // 接口版本号
            input_charset: 'UTF-8', // 字符集
            sign_key_index: '1', // 密钥序号
            time_start: moment(order.create_time * 1000).format('YYYYMMDDHHmmss'), // 订单生成时间-yyyymmddhhmmss
            time_expire: moment(order.pay_expire).format('YYYYMMDDHHmmss'), // 订单失效时间--yyyymmddhhmmss
            attach: extraParam // 附加数据,原样返回
        };

        let signStr = md5(sign.raw(params) + '&key=' + payParams.merchant_key).toLocaleUpperCase();
        let body = sign.rawUncode(params) + '&sign=' + signStr;

        return {
            code: 200,
            data: {
                href: PAY_URL + body
            }
        };
    },
    notify(data, param) {
        let payParams = JSON.parse(param.payParams || '{}');
        let orderCode = parseInt(data.out_trade_no, 10);

        logger.info(`Alipay notify, params = ${JSON.stringify(data)}`);

        if (!this.checkNotify(data, payParams)) {
            return {payResult: -1};
        }

        return {
            bankName: '',
            orderCode: orderCode,
            payResult: 200,
            totalFee: data.total_fee * 0.01,
            tradeNo: data.transaction_id,
            bankBillNo: ''
        };
    },

    checkNotify(data, payParams) {
        let signValue;

        if (data && parseInt(data.trade_state, 10) !== 0) {
            return false;
        }

        signValue = data.sign;
        delete data.sign;

        let signStr = md5(sign.raw(data) + '&key=' + payParams.merchant_key).toLocaleUpperCase();

        return signValue === signStr;
    }
};

module.exports = Tenpay;