1

2025-11-21 16:53:49 +08:00
commit 8309808835
286 changed files with 32656 additions and 0 deletions
--- a/tool/node-wxpay/lib/wx_iwithdraw.js
+++ b/tool/node-wxpay/lib/wx_iwithdraw.js
@@ -0,0 +1,164 @@
+'use strict';
+const md5 = require('md5');
+const xml2js = require('xml2js');
+const util = require('../utils/util');
+const request = require('superagent');
+const crypto = require('crypto');
+// xmlBuilder工具
+const builder = new xml2js.Builder({
+    'headless': true,
+    'allowSurrogateChars': true,
+    'rootName': 'xml',
+    'cdata': true,
+});
+// 请求路径
+const urls = {
+    'sendredpack': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack', // 发放红包
+    'sendgroupredpack': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack', // 发放裂变红包
+    'gethbinfo': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gethbinfo', // 查询红包记录
+    'sendminiprogramhb': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendminiprogramhb', // 小程序红包
+    'transfers': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers', // 企业付款到零钱
+    'gettransferinfo': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gettransferinfo', // 查询企业付款到零钱
+    'pay_bank': 'https://api.mch.weixin.qq.com/mmpaysptrans/pay_bank', // 企业付款到银行卡
+    'query_bank': 'https://api.mch.weixin.qq.com/mmpaysptrans/query_bank', // 查询企业付款到银行卡
+    'getpublickey': 'https://fraud.mch.weixin.qq.com/risk/getpublickey', // 获取RSA加密公钥
+    'send_coupon': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/send_coupon', // 发放代金券
+    'query_coupon_stock': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/query_coupon_stock', // 查询代金券批次
+    'querycouponsinfo': 'https://api.mch.weixin.qq.com/mmpaymkttransfers/querycouponsinfo', // 查询代金券信息
+};
+class IWithdraw {
+    constructor(options) {
+        this._options = {};
+        this._options['pfx'] = options.pfx;
+        this._options['key'] = options.partner_key;
+        this._options['sign'] = '';
+
+        this._params = {};
+    }
+    // 添加其他参数
+    _otherParams(params) {
+        this._params = {
+            'nonce_str': util.getNonceStr(),
+            ...params,
+            ...this._options,
+        };
+    }
+    // 参数检验
+    _checkOptions(properties) {
+        if (!this._params.key) throw new Error('缺少partner_key');
+        if (!this._params.pfx) throw new Error('缺少pfx');
+
+        properties.forEach(item => {
+            if (this._params[item] === undefined || this._params[item] === null) throw new Error('缺少' + item);
+        });
+    }
+    // MD5加密
+    _md5(params) {
+        let object = {
+            ...this._params,
+        };
+        const exclude = [ 'pfx', 'sign', 'partner_key', 'key' ];
+
+        if (params) {
+            object = {
+                ...params,
+                'key': this._options['key'],
+            };
+        }
+
+        // 不能把sign_type 带入加密中
+        const querystring = Object.keys(object).filter(function(key) {
+            return object[key] !== undefined && object[key] !== '' && !exclude.includes(key);
+        }).sort()
+            .map(function(key) {
+                return key + '=' + object[key];
+            })
+            .join('&') + '&key=' + object.key;
+        return md5(querystring).toUpperCase();
+    }
+    // HMAC-SHA256 加密
+    _hmac(params) {
+        let object = {
+            ...this._params,
+        };
+        if (params) {
+            object = {
+                ...params,
+                'key': this._options['key'],
+            };
+        }
+
+        const querystring = Object.keys(object).filter(function(key) {
+            return object[key] !== undefined && object[key] !== '' && ![ 'pfx', 'sign', 'partner_key', 'key' ].includes(key);
+        }).sort()
+            .map(function(key) {
+                return key + '=' + object[key];
+            })
+            .join('&') + '&key=' + object.key;
+        const hash = crypto.createHmac('sha256', this._options['key'])
+            .update(querystring)
+            .digest('hex');
+        return hash.toUpperCase();
+    }
+    // toxml
+    _jsontoxml() {
+        const object = {
+            ...this._params,
+        };
+        if (object.sign_type === 'HMAC-SHA256') {
+            object.sign = this._hmac();
+        } else {
+            object.sign = this._md5();
+        }
+
+        // 移除证书
+        delete object['pfx'];
+        delete object['key']; // 移除密钥 不然会报{ return_code: 'FAIL', return_msg: '不识别的参数key' }
+
+        // 生成请求统一下单下单xml参数
+        const xmlOption = builder.buildObject(object);
+        return xmlOption;
+    }
+    _xmltojson(data) {
+        let body = {};
+        xml2js.parseString(data, { 'trim': true, 'explicitArray': false }, (err, result) => {
+            if (err) {
+                // throw new Error(err);
+                console.error(err);
+                body = {};
+            } else {
+                body = result.xml;
+            }
+        });
+
+        return body;
+    }
+    // 请求
+    async _request(name, xmlOption) {
+        const url = urls[name];
+        let result = await request.post(url)
+            .send(xmlOption)
+            .pfx({
+                'pfx': this._options.pfx, // 证书
+                'passphrase': this._params.mch_id || this._params.mchid, // 证书秘钥【微信设置为商户号id】
+            })
+            .type('xml');
+
+        return this._xmltojson(result.text);
+    }
+    // 请求
+    async _request2(name, xmlOption) {
+        const url = urls[name];
+        let result = await request.post(url)
+            .send(xmlOption)
+            .pfx({
+                'pfx': this._options.pfx, // 证书
+                'passphrase': this._params.mch_id || this._params.mchid, // 证书秘钥【微信设置为商户号id】
+            })
+            .type('xml');
+
+        // application/xml 返回参数是buffer
+        return this._xmltojson(result.body.toString());
+    }
+}
+module.exports = IWithdraw;