367 lines
15 KiB
JavaScript
367 lines
15 KiB
JavaScript
import fs from 'fs';
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import dayJs from 'dayjs';
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import { AlipaySdk } from 'alipay-sdk';
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import { compressTo32, decompressFrom32 } from 'oak-domain/lib/utils/uuid';
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import { ExternalPayUtilException } from "../../../types/Exception";
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import assert from "assert";
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import { omit } from "oak-domain/lib/utils/lodash";
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import AliPayDebug from './AliPay.debug';
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import { ToYuan } from "oak-domain/lib/utils/money";
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// WAIT_BUYER_PAY（交易创建，等待买家付款）、TRADE_CLOSED（未付款交易超时关闭，或支付完成后全额退款）、TRADE_SUCCESS（交易支付成功）、TRADE_FINISHED（交易结束，不可退款）
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const TRADE_STATE_MATRIX = {
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'TRADE_SUCCESS': 'paid',
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'WAIT_BUYER_PAY': 'paying',
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'TRADE_CLOSED': 'closed',
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'TRADE_FINISHED': 'closed',
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};
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// REFUND_SUCCESS 退款处理成功； 未返回该字段表示退款请求未收到或者退款失败；
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const REFUND_STATE_MATRIX = {
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'REFUND_SUCCESS': "successful",
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'REFUND_CLOSED': "failed",
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"PROCESSING": 'refunding',
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};
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const PREPAY_TIMEOUT = 15 * 60 * 1000; // 默认订单15分钟过期
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export default class AliPay extends AliPayDebug {
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alipaySdk;
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refundGapDays;
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mchId;
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appId;
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publicKeyPath;
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privateKeyPath;
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payNotifyUrl;
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refundNotifyUrl;
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mode;
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keyType;
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gateway;
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alipayRootCertPath;
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alipayPublicCertPath;
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appCertPath;
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encryptKey;
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needEncrypt;
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static MAX_REFUND_DAYS_GAP = 365;
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static MIN_REFUND_DAYS_GAP = 7;
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static DEFAULT_REFUND_DAYS_GAP = 300;
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constructor(apProduct) {
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super(apProduct);
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const { apAccount } = apProduct;
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this.apProduct = apProduct;
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// 这此不记也行，懒得改了
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this.refundGapDays = typeof apProduct.refundGapDays === 'number' ? apProduct.refundGapDays : apAccount.refundGapDays;
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if (typeof this.refundGapDays !== 'number') {
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throw new Error('apProduct/apAccount的refundGapDays必须要设置');
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}
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this.mchId = apAccount.mchId;
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this.appId = apAccount.appId;
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this.publicKeyPath = apAccount.publicKeyPath;
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this.privateKeyPath = apAccount.privateKeyPath;
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this.payNotifyUrl = apAccount.aliPay.payNotifyUrl;
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this.refundNotifyUrl = apAccount.aliPay.refundNotifyUrl;
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this.mode = apAccount.mode;
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this.keyType = apAccount.keyType;
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this.gateway = apAccount.gateway;
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this.alipayRootCertPath = apAccount.alipayRootCertPath;
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this.alipayPublicCertPath = apAccount.alipayPublicCertPath;
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this.appCertPath = apAccount.appCertPath;
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this.encryptKey = apAccount.encryptKey;
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this.needEncrypt = apAccount.needEncrypt || false;
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const alipaySdkConfig = {
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appId: this.appId,
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// 密钥类型，请与生成的密钥格式保持一致，参考平台配置一节
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keyType: this.keyType ? this.keyType : undefined,
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gateway: apAccount.gateway ? apAccount.gateway : undefined,
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// 设置应用私钥
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privateKey: fs.readFileSync(this.privateKeyPath).toString(),
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endpoint: apAccount.gateway ? apAccount.gateway.replace('/gateway.do', '') : undefined,
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};
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if (this.needEncrypt) {
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alipaySdkConfig.encryptKey = this.encryptKey;
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}
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if (this.mode === 'publicKey') {
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alipaySdkConfig.alipayPublicKey = fs.readFileSync(this.publicKeyPath).toString();
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}
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if (this.mode === 'certificate') {
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alipaySdkConfig.alipayRootCertContent = fs.readFileSync(this.alipayRootCertPath);
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alipaySdkConfig.alipayPublicCertContent = fs.readFileSync(this.alipayPublicCertPath);
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alipaySdkConfig.appCertContent = fs.readFileSync(this.appCertPath);
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}
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this.alipaySdk = new AlipaySdk(alipaySdkConfig);
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}
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async refund(refund, context) {
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const { id, price, pay, reason } = refund;
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const serverUrl = context.composeAccessPath();
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const endpoint = this.refundNotifyUrl;
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const refundNotifyUrl = `${serverUrl}/endpoint/${endpoint}/${id}`;
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const out_trade_no = compressTo32(pay.id);
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const out_request_no = compressTo32(id);
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const refundAmount = ToYuan(price);
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const result = await this.alipaySdk.curl('POST', '/v3/alipay/trade/refund', {
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body: {
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out_trade_no: out_trade_no,
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refund_amount: refundAmount,
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out_request_no: out_request_no,
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notify_url: refundNotifyUrl,
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},
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needEncrypt: this.needEncrypt,
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});
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// out_trade_no: '1749093519542',
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// refund_fee: '0.01',
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// gmt_refund_pay: '2025-06-05 11:38:47',
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// trade_no: '2025060522001400570506333003',
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// send_back_fee: '0.00',
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// buyer_logon_id: 'enb***@sandbox.com',
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// buyer_open_id: '057XBJUPmv-O8pJZYRH7AtgMTnmk4REw9lZKkcaTurFn542',
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// fund_change: 'Y'
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const { trade_no } = this.analyzeResult(result);
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return {
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externalId: trade_no,
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};
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}
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async getRefundState(refund) {
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const out_request_no = compressTo32(refund.id);
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const out_trade_no = compressTo32(refund.payId);
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const result = await this.alipaySdk.curl('POST', '/v3/alipay/trade/fastpay/refund/query', {
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body: {
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out_trade_no: out_trade_no,
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out_request_no: out_request_no,
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query_options: [
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"refund_detail_item_list",
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"gmt_refund_pay"
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]
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},
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needEncrypt: this.needEncrypt,
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});
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// refund_detail_item_list: [ [Object] ],
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// refund_status: 'REFUND_SUCCESS',
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// out_trade_no: '1749093519542',
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// total_amount: '0.01',
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// refund_amount: '0.01',
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// gmt_refund_pay: '2025-06-05 11:38:47',
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// trade_no: '2025060522001400570506333003',
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// send_back_fee: '0.01',
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// out_request_no: '1749094724197'
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const externalMeta = this.analyzeResult(result);
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const { refund_status, gmt_refund_pay } = externalMeta;
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/**
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* 【退款状态。枚举值： REFUND_SUCCESS 退款处理成功； 未返回该字段表示退款请求未收到或者退款失败； 注：如果退款查询发起时间早于退款时间，或者间隔退款发起时间太短，可能出现退款查询时还没处理成功，后面又处理成功的情况，建议商户在退款发起后间隔10秒以上再发起退款查询请求
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*/
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let status = refund_status;
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if (refund_status !== 'REFUND_SUCCESS') {
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status = 'REFUND_CLOSED';
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}
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const iState = REFUND_STATE_MATRIX[status];
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return [iState, gmt_refund_pay ? {
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successAt: gmt_refund_pay ? dayJs(gmt_refund_pay).valueOf() : undefined,
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externalMeta,
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} : undefined];
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}
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analyzeResult(result) {
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const { data, responseHttpStatus } = result;
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if (responseHttpStatus !== 200) {
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console.error(JSON.stringify(result));
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throw new ExternalPayUtilException(result);
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}
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return data;
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}
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caclRefundDeadline(successTime) {
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let gapDays = this.refundGapDays || AliPay.DEFAULT_REFUND_DAYS_GAP;
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if (gapDays > AliPay.MAX_REFUND_DAYS_GAP) {
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gapDays = AliPay.MAX_REFUND_DAYS_GAP;
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}
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if (gapDays < AliPay.MIN_REFUND_DAYS_GAP) {
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gapDays = AliPay.MIN_REFUND_DAYS_GAP;
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}
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return dayJs(successTime).add(gapDays, 'day').subtract(12, 'hour').valueOf();
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}
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async prepay(pay, data, context) {
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const applicationId = context.getApplicationId();
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const userId = context.getCurrentUserId();
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const serverUrl = context.composeAccessPath();
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const endpoint = this.payNotifyUrl;
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const payNotifyUrl = `${serverUrl}/endpoint${endpoint.startsWith('/') ? endpoint : '/' + endpoint}/${pay.id}`;
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const out_trade_no = compressTo32(pay.id);
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// 支付宝金额单位为元，需要转换
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const totalAmount = ToYuan(pay.price);
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const timeoutAt = Date.now() + PREPAY_TIMEOUT;
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switch (this.apProduct.type) {
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case 'native': {
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const method = this.apProduct.config?.prepayMethod || 'GET';
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const returnUrl = this.apProduct.config?.returnUrl;
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const qrPayMode = this.apProduct.config?.qrPayMode || '2';
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const qrCodeWidth = this.apProduct.config?.qrCodeWidth || 100;
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const params = {
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bizContent: {
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subject: pay.order?.desc || (pay.orderId ? '订单支付' : '帐户充值'),
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out_trade_no: out_trade_no,
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total_amount: totalAmount,
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product_code: 'FAST_INSTANT_TRADE_PAY',
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notify_url: payNotifyUrl,
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qr_pay_mode: qrPayMode,
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qrcode_width: qrCodeWidth,
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time_expire: dayJs(timeoutAt).format('YYYY-MM-DD HH:mm:ss'),
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},
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notify_url: payNotifyUrl,
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needEncrypt: this.needEncrypt,
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};
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if (returnUrl) {
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params.return_url = returnUrl;
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}
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const htmlUrl = this.alipaySdk.pageExecute('alipay.trade.page.pay', method, params);
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// 电脑网站支付 下单不会返回trade_no, 等支付回调后再获取
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data.externalId = '';
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data.meta = {
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...(pay.meta || {}),
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htmlUrl: htmlUrl,
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};
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break;
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}
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default: {
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throw new Error('本支付方法还没来的及实现呢');
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}
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}
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// pay加一个过期时间，到期自动close
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data.timeoutAt = timeoutAt + 1000 * 60;
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}
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async getState(pay) {
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const outTradeNo = compressTo32(pay.id);
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let result;
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try {
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result = await this.alipaySdk.curl('POST', '/v3/alipay/trade/query', {
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body: {
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out_trade_no: outTradeNo,
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query_options: ['trade_settle_info'],
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},
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needEncrypt: this.needEncrypt,
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});
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}
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catch (e) {
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// 在电脑网站下单时，系统首先生成URL；用户扫码后才会创建交易订单。若未完成扫码而查询订单，提示'交易不存在'。
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if (e.code === 'ACQ.TRADE_NOT_EXIST') {
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return ['paying', {}];
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}
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throw e;
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}
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// WAIT_BUYER_PAY（交易创建，等待买家付款）、TRADE_CLOSED（未付款交易超时关闭，或支付完成后全额退款）、TRADE_SUCCESS（交易支付成功）、TRADE_FINISHED（交易结束，不可退款）
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// out_trade_no: '1749093519542',
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// total_amount: '0.01',
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// buyer_user_type: 'PRIVATE',
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// trade_status: 'TRADE_SUCCESS',
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// trade_no: '2025060522001400570506333003',
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// receipt_amount: '0.00',
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// buyer_logon_id: 'enb***@sandbox.com',
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// send_pay_date: '2025-06-05 11:20:42',
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// point_amount: '0.00',
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// buyer_open_id: '057XBJUPmv-O8pJZYRH7AtgMTnmk4REw9lZKkcaTurFn542',
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// buyer_pay_amount: '0.00',
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// invoice_amount: '0.00'
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const { trade_status: tradeState, send_pay_date, trade_no } = this.analyzeResult(result);
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const iState = TRADE_STATE_MATRIX[tradeState];
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assert(iState);
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const updateData = {
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meta: {
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...(pay.meta || {}),
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getState: omit(result, ['mch_id', 'app_id', 'out_trade_no']),
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},
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};
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if (!pay.externalId) {
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updateData.externalId = trade_no;
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}
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if (iState === 'paid') {
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updateData.successAt = dayJs(send_pay_date).valueOf();
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}
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return [iState, updateData];
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}
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async close(pay) {
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const outTradeNo = compressTo32(pay.id);
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try {
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const result = await this.alipaySdk.curl('POST', '/v3/alipay/trade/close', {
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body: {
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out_trade_no: outTradeNo,
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},
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needEncrypt: this.needEncrypt,
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});
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this.analyzeResult(result);
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}
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catch (e) {
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throw e;
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}
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}
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async decodePayNotification(params, body) {
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const { sign, sign_type } = body;
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const result = body;
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/**
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* {
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gmt_create: '2025-06-05 11:20:25',
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charset: 'utf-8',
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gmt_payment: '2025-06-05 11:20:42',
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notify_time: '2025-06-05 11:20:44',
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subject: '测试商品20250605111839',
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sign: 'G5UXRw3+Kn8HMT+gNbNLFt/Weg+WNTIzCC+0MjtRjMxygRb9KXU71fXtnUUwVBUtAUbaQKGn4tz7mWum97GGWQtyPGfOZIfCeXZ59bAnnJWIczltwF/7rBlDFryZMSHzW8ghgJF/mmzqg77cucqbTi3kWAN6vmvSG+3hD6QDc3wPvFhHFjbFB+OKdg4Qfo1z68l4P+4DnrCmvtESDTyrAdfCk5HOu6zFz5wq/dO1huMCzsUx+cRK+dEGIY4IRfLkqq2QPMzy56iNIOsi64Ma1gbh3P4ngkDbt4xpwfWx+QLWM2fwbWyziJXiseOyxK9HXWknwPcdk1IcCejmpbpkog==',
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buyer_id: '2088722068900570',
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invoice_amount: '0.01',
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version: '1.0',
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notify_id: '2025060501222112043100570506479893',
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fund_bill_list: '[{"amount":"0.01","fundChannel":"ALIPAYACCOUNT"}]',
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notify_type: 'trade_status_sync',
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out_trade_no: '1749093519542',
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total_amount: '0.01',
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trade_status: 'TRADE_SUCCESS',
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trade_no: '2025060522001400570506333003',
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auth_app_id: '2021000149620427',
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receipt_amount: '0.01',
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point_amount: '0.00',
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buyer_pay_amount: '0.01',
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app_id: '2021000149620427',
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sign_type: 'RSA2',
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seller_id: '2088721068920157'
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}
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*/
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const { out_trade_no, app_id, trade_status, gmt_payment, trade_no, } = result;
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const payId = decompressFrom32(out_trade_no);
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assert(app_id === this.appId);
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const iState = TRADE_STATE_MATRIX[trade_status];
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assert(iState);
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const extra = {
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externalId: trade_no,
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meta: {
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decodePayNotification: omit(result, ['app_id', 'out_trade_no'])
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},
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};
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if (iState === 'paid') {
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extra.successAt = dayJs(gmt_payment).valueOf();
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}
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return {
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payId,
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iState,
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extra,
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};
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}
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async decodeRefundNotification(params, body) {
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// 支付宝不支持退款回调通知，只能通过查询退款接口获取
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const { sign, sign_type } = body;
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const result = body;
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const { out_refund_no, app_id, refund_status, success_time, } = result;
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const refundId = decompressFrom32(out_refund_no);
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assert(app_id === this.appId);
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const iState = REFUND_STATE_MATRIX[refund_status];
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assert(iState);
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const extra = {
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externalMeta: omit(result, ['app_id',]),
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};
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if (iState === 'successful') {
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assert(success_time);
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extra.successAt = dayJs(success_time).valueOf();
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}
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return {
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refundId,
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iState,
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extra,
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};
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}
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getRefundableAt(successAt) {
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return this.caclRefundDeadline(successAt);
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}
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uploadShipInfo(pay) {
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// assert(pay.entity === 'apProduct' && pay.apProduct?.shipping);
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}
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}
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