@bared/wechatpay-node-v3
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JavaScript
'use strict';
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return (mod && mod.__esModule) ? mod : { "default": mod };
};
var crypto_1 = __importDefault(require("crypto"));
var superagent_1 = __importDefault(require("superagent"));
var x509_1 = require('@fidm/x509');
var Pay = /** @class */ (function () {
function Pay(options) {
this.serial_no = ''; // 证书序列号
this.authType = 'WECHATPAY2-SHA256-RSA2048'; // 认证类型，目前为WECHATPAY2-SHA256-RSA2048
this.userAgent = '127.0.0.1'; // User-Agent
this.appid = options.appid || '';
this.mchid = options.mchid || '';
this.publicKey = options.publicKey;
this.privateKey = options.privateKey;
this.sp_appid = options.sp_appid || '';
this.sp_mchid = options.sp_mchid || '';
this.sub_mchid = options.sub_mchid || '';
this.notify_url = options.notify_url || '';
this.authType = options.authType || 'WECHATPAY2-SHA256-RSA2048';
this.userAgent = options.userAgent || '127.0.0.1';
this.key = options.key;
this.serial_no = options.serial_no || '';
if (!this.publicKey)
throw new Error('缺少公钥');
if (!this.serial_no)
this.serial_no = this.getSN(this.publicKey);
}
/**
* 拉取平台证书到 Pay.certificates 中
* @param apiSecret APIv3密钥
*/
Pay.prototype.fetchCertificates = function (apiSecret) {
return __awaiter(this, void 0, void 0, function () {
var url, authorization, result, data, newCertificates_1;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = 'https://api.mch.weixin.qq.com/v3/certificates';
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1:
result = _a.sent();
if (result.status === 200) {
data = result.data;
newCertificates_1 = {};
data.forEach(function (item) {
var decryptCertificate = _this.decipher_gcm(item.encrypt_certificate.ciphertext, item.encrypt_certificate.associated_data, item.encrypt_certificate.nonce, apiSecret);
newCertificates_1[item.serial_no] = x509_1.Certificate.fromPEM(Buffer.from(decryptCertificate)).publicKey.toPEM();
});
Pay.certificates = __assign(__assign({}, Pay.certificates), newCertificates_1);
}
else {
throw new Error('拉取平台证书失败');
}
return [2 /*return*/];
}
});
});
};
/**
* 验证签名，提醒：node 取头部信息时需要用小写，例如：req.headers['wechatpay-timestamp']
* @param params.timestamp HTTP头Wechatpay-Timestamp 中的应答时间戳
* @param params.nonce HTTP头Wechatpay-Nonce 中的应答随机串
* @param params.body 应答主体（response Body），需要按照接口返回的顺序进行验签，错误的顺序将导致验签失败。
* @param params.serial HTTP头Wechatpay-Serial 证书序列号
* @param params.signature HTTP头Wechatpay-Signature 签名
* @param params.apiSecret APIv3密钥，如果在 构造器 中有初始化该值(this.key)，则可以不传入。当然传入也可以
*/
Pay.prototype.verifySign = function (params) {
return __awaiter(this, void 0, void 0, function () {
var timestamp, nonce, body, serial, signature, apiSecret, publicKey, bodyStr, data, verify;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
timestamp = params.timestamp, nonce = params.nonce, body = params.body, serial = params.serial, signature = params.signature, apiSecret = params.apiSecret;
publicKey = Pay.certificates[serial];
if (!!publicKey) return [3 /*break*/, 2];
return [4 /*yield*/, this.fetchCertificates(apiSecret)];
case 1:
_a.sent();
_a.label = 2;
case 2:
publicKey = Pay.certificates[serial];
if (!publicKey) {
throw new Error('平台证书序列号不相符，未找到平台序列号');
}
bodyStr = typeof body === 'string' ? body : JSON.stringify(body);
data = "".concat(timestamp, "\n").concat(nonce, "\n").concat(bodyStr, "\n");
verify = crypto_1.default.createVerify('RSA-SHA256');
verify.update(data);
return [2 /*return*/, verify.verify(publicKey, signature, 'base64')];
}
});
});
};
/**
* 构建请求签名参数
* @param method Http 请求方式
* @param url 请求接口 例如/v3/certificates
* @param timestamp 获取发起请求时的系统当前时间戳
* @param nonceStr 随机字符串
* @param body 请求报文主体
*/
Pay.prototype.getSignature = function (method, nonce_str, timestamp, url, body) {
var str = method + '\n' + url + '\n' + timestamp + '\n' + nonce_str + '\n';
if (body && body instanceof Object)
body = JSON.stringify(body);
if (body)
str = str + body + '\n';
if (method === 'GET')
str = str + '\n';
// console.log('=== before sig ===')
// console.log(str)
return this.sha256WithRsa(str);
};
// jsapi 和 app 支付参数签名 加密自动顺序如下 不能错乱
// 应用id
// 时间戳
// 随机字符串
// 预支付交易会话ID
Pay.prototype.sign = function (str) {
// let str = '';
// const exclude = ['signType', 'paySign', 'status', 'package', 'partnerid'];
// for (const key in params) {
// if (!exclude.includes(key)) {
// str = str + params[key] + '\n';
// }
// }
return this.sha256WithRsa(str);
};
// 获取序列号
Pay.prototype.getSN = function (fileData) {
if (!fileData && !this.publicKey)
throw new Error('缺少公钥');
if (!fileData)
fileData = this.publicKey;
if (typeof fileData == 'string') {
fileData = Buffer.from(fileData);
}
var certificate = x509_1.Certificate.fromPEM(fileData);
return certificate.serialNumber;
};
/**
* SHA256withRSA
* @param data 待加密字符
* @param privatekey 私钥key key.pem fs.readFileSync(keyPath)
*/
Pay.prototype.sha256WithRsa = function (data) {
if (!this.privateKey)
throw new Error('缺少秘钥文件');
return crypto_1.default
.createSign('RSA-SHA256')
.update(data)
.sign(this.privateKey, 'base64');
};
/**
* 获取授权认证信息
* @param nonceStr 请求随机串
* @param timestamp 时间戳
* @param signature 签名值
*/
Pay.prototype.getAuthorization = function (nonce_str, timestamp, signature) {
var _authorization = 'mchid="' +
(this.mchid || this.sp_mchid) +
'",' +
'nonce_str="' +
nonce_str +
'",' +
'timestamp="' +
timestamp +
'",' +
'serial_no="' +
this.serial_no +
'",' +
'signature="' +
signature +
'"';
return this.authType.concat(' ').concat(_authorization);
};
/**
* 回调解密
* @param ciphertext Base64编码后的开启/停用结果数据密文
* @param associated_data 附加数据
* @param nonce 加密使用的随机串
* @param key APIv3密钥
*/
Pay.prototype.decipher_gcm = function (ciphertext, associated_data, nonce, key) {
if (key)
this.key = key;
if (!this.key)
throw new Error('缺少key');
var _ciphertext = Buffer.from(ciphertext, 'base64');
// 解密 ciphertext字符 AEAD_AES_256_GCM算法
var authTag = _ciphertext.slice(_ciphertext.length - 16);
var data = _ciphertext.slice(0, _ciphertext.length - 16);
var decipher = crypto_1.default.createDecipheriv('aes-256-gcm', this.key, nonce);
decipher.setAuthTag(authTag);
decipher.setAAD(Buffer.from(associated_data));
var decoded = decipher.update(data, undefined, 'utf8');
decipher.final();
try {
return JSON.parse(decoded);
}
catch (e) {
return decoded;
}
};
/**
* 参数初始化
*/
Pay.prototype.init = function (method, url, params) {
var nonce_str = Math.random()
.toString(36)
.substr(2, 15);
var timestamp = parseInt(+new Date() / 1000 + '').toString();
var signature = this.getSignature(method, nonce_str, timestamp, url.replace('https://api.mch.weixin.qq.com', ''), params);
// console.log('=== signature ===')
// console.log(signature)
var authorization = this.getAuthorization(nonce_str, timestamp, signature);
// console.log('=== authorization ===')
// console.log(authorization)
return authorization;
};
/**
* post 请求
* @param url 请求接口
* @param params 请求参数
*/
Pay.prototype.postRequest = function (url, params, authorization) {
return __awaiter(this, void 0, void 0, function () {
var result, error_1, err;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, superagent_1.default
.post(url)
.send(params)
.set({
Accept: 'application/json',
'Content-Type': 'application/json',
'User-Agent': this.userAgent,
Authorization: authorization,
'Accept-Encoding': 'gzip',
})];
case 1:
result = _a.sent();
return [2 /*return*/, __assign({ status: result.status }, result.body)];
case 2:
error_1 = _a.sent();
err = JSON.parse(JSON.stringify(error_1));
return [2 /*return*/, __assign({ status: err.status }, (err.response.text && JSON.parse(err.response.text)))];
case 3: return [2 /*return*/];
}
});
});
};
/**
* get 请求
* @param url 请求接口
* @param params 请求参数
*/
Pay.prototype.getRequest = function (url, authorization) {
return __awaiter(this, void 0, void 0, function () {
var result, data, error_2, err;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, superagent_1.default.get(url).set({
Accept: 'application/json',
'User-Agent': this.userAgent,
Authorization: authorization,
})];
case 1:
result = _a.sent();
data = {};
switch (result.type) {
case 'application/json':
data = __assign({ status: result.status }, result.body);
break;
case 'text/plain':
data = {
status: result.status,
data: result.text,
};
break;
case 'application/x-gzip':
data = {
status: result.status,
data: result.body,
};
break;
default:
data = __assign({ status: result.status }, result.body);
}
return [2 /*return*/, data];
case 2:
error_2 = _a.sent();
err = JSON.parse(JSON.stringify(error_2));
return [2 /*return*/, __assign({ status: err.status }, (err.response.text && JSON.parse(err.response.text)))];
case 3: return [2 /*return*/];
}
});
});
};
// ---------------支付相关接口--------------//
/**
* h5支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_3_1.shtml
*/
Pay.prototype.transactions_h5 = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ appid: this.appid, mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/h5';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 合单h5支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_2.shtml
*/
Pay.prototype.combine_transactions_h5 = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ combine_appid: this.appid, combine_mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/combine-transactions/h5';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* native支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_4_1.shtml
*/
Pay.prototype.transactions_native = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ appid: this.appid, mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/native';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 合单native支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_5.shtml
*/
Pay.prototype.combine_transactions_native = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ combine_appid: this.appid, combine_mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/combine-transactions/native';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* app支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_2_1.shtml
*/
Pay.prototype.transactions_app = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization, result, data, str;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ appid: this.appid, mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/app';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1:
result = _a.sent();
if (result.status === 200 && result.prepay_id) {
data = {
status: result.status,
appid: this.appid,
partnerid: this.mchid,
package: 'Sign=WXPay',
timestamp: parseInt(+new Date() / 1000 + '').toString(),
noncestr: Math.random()
.toString(36)
.substr(2, 15),
prepayid: result.prepay_id,
sign: '',
};
str = [data.appid, data.timestamp, data.noncestr, data.package, ''].join('\n');
data.sign = this.sign(str);
return [2 /*return*/, data];
}
return [2 /*return*/, result];
}
});
});
};
/**
* 合单app支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_1.shtml
*/
Pay.prototype.combine_transactions_app = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization, result, data, str;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ combine_appid: this.appid, combine_mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/combine-transactions/app';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1:
result = _a.sent();
if (result.status === 200 && result.prepay_id) {
data = {
status: result.status,
appid: this.appid,
partnerid: this.mchid,
package: 'Sign=WXPay',
timestamp: parseInt(+new Date() / 1000 + '').toString(),
noncestr: Math.random()
.toString(36)
.substr(2, 15),
prepayid: result.prepay_id,
sign: '',
};
str = [data.appid, data.timestamp, data.noncestr, data.prepayid, ''].join('\n');
data.sign = this.sign(str);
return [2 /*return*/, data];
}
return [2 /*return*/, result];
}
});
});
};
/**
* JSAPI支付 或者 小程序支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_1.shtml
*/
Pay.prototype.transactions_jsapi = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization, result, data, str;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ appid: this.appid, mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1:
result = _a.sent();
if (result.status === 200 && result.prepay_id) {
data = {
status: result.status,
appId: this.appid,
timeStamp: parseInt(+new Date() / 1000 + '').toString(),
nonceStr: Math.random()
.toString(36)
.substr(2, 15),
package: "prepay_id=".concat(result.prepay_id),
signType: 'RSA',
paySign: '',
};
str = [data.appId, data.timeStamp, data.nonceStr, data.package, ''].join('\n');
data.paySign = this.sign(str);
return [2 /*return*/, data];
}
return [2 /*return*/, result];
}
});
});
};
/**
* 服务商逻辑
* https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_1.shtml
*/
Pay.prototype.transactions_jsapi_sp = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization, result, data, str;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ sp_appid: this.sp_appid, sp_mchid: this.sp_mchid, notify_url: this.notify_url }, params);
url = 'https://api.mch.weixin.qq.com/v3/pay/partner/transactions/jsapi';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1:
result = _a.sent();
if (result.status === 200 && result.prepay_id) {
data = {
status: result.status,
appId: _params.sub_appid,
timeStamp: parseInt(+new Date() / 1000 + '').toString(),
nonceStr: Math.random()
.toString(36)
.substr(2, 15),
package: "prepay_id=".concat(result.prepay_id),
signType: 'RSA',
paySign: '',
};
str = [data.appId, data.timeStamp, data.nonceStr, data.package, ''].join('\n');
data.paySign = this.sign(str);
return [2 /*return*/, data];
}
return [2 /*return*/, result];
}
});
});
};
/**
* 合单JSAPI支付 或者 小程序支付
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_3.shtml
*/
Pay.prototype.combine_transactions_jsapi = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization, result, data, str;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ combine_appid: this.appid, combine_mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/combine-transactions/jsapi';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1:
result = _a.sent();
if (result.status === 200 && result.prepay_id) {
data = {
status: result.status,
appId: this.appid,
timeStamp: parseInt(+new Date() / 1000 + '').toString(),
nonceStr: Math.random()
.toString(36)
.substr(2, 15),
package: "prepay_id=".concat(result.prepay_id),
signType: 'RSA',
paySign: '',
};
str = [data.appId, data.timeStamp, data.nonceStr, data.package, ''].join('\n');
data.paySign = this.sign(str);
return [2 /*return*/, data];
}
return [2 /*return*/, result];
}
});
});
};
/**
* 查询订单
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_3_2.shtml
*/
Pay.prototype.query = function (params) {
return __awaiter(this, void 0, void 0, function () {
var url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = '';
if (params.transaction_id) {
url = "https://api.mch.weixin.qq.com/v3/pay/transactions/id/".concat(params.transaction_id, "?mchid=").concat(this.mchid);
}
else if (params.out_trade_no) {
url = "https://api.mch.weixin.qq.com/v3/pay/transactions/out-trade-no/".concat(params.out_trade_no, "?mchid=").concat(this.mchid);
}
else {
throw new Error('缺少transaction_id或者out_trade_no');
}
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 合单查询订单
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_11.shtml
*/
Pay.prototype.combine_query = function (combine_out_trade_no) {
return __awaiter(this, void 0, void 0, function () {
var url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!combine_out_trade_no)
throw new Error('缺少combine_out_trade_no');
url = "https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/".concat(combine_out_trade_no);
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 关闭订单
* @param out_trade_no 请求参数 商户订单号 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_3_3.shtml
*/
Pay.prototype.close = function (out_trade_no) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!out_trade_no)
throw new Error('缺少out_trade_no');
_params = {
mchid: this.mchid,
};
url = "https://api.mch.weixin.qq.com/v3/pay/transactions/out-trade-no/".concat(out_trade_no, "/close");
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 合单关闭订单
* @param combine_out_trade_no 请求参数 总订单号 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter5_1_12.shtml
* @param sub_orders array 子单信息
*/
Pay.prototype.combine_close = function (combine_out_trade_no, sub_orders) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!combine_out_trade_no)
throw new Error('缺少out_trade_no');
_params = {
combine_appid: this.appid,
sub_orders: sub_orders,
};
url = "https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/".concat(combine_out_trade_no, "/close");
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 申请交易账单
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_6.shtml
*/
Pay.prototype.tradebill = function (params) {
return __awaiter(this, void 0, void 0, function () {
var url, _params, querystring, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = 'https://api.mch.weixin.qq.com/v3/bill/tradebill';
_params = __assign({}, params);
querystring = Object.keys(_params)
.filter(function (key) {
return !!_params[key];
})
.sort()
.map(function (key) {
return key + '=' + _params[key];
})
.join('&');
url = url + "?".concat(querystring);
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 申请资金账单
* @param params 请求参数 object 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_7.shtml
*/
Pay.prototype.fundflowbill = function (params) {
return __awaiter(this, void 0, void 0, function () {
var url, _params, querystring, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = 'https://api.mch.weixin.qq.com/v3/bill/fundflowbill';
_params = __assign({}, params);
querystring = Object.keys(_params)
.filter(function (key) {
return !!_params[key];
})
.sort()
.map(function (key) {
return key + '=' + _params[key];
})
.join('&');
url = url + "?".concat(querystring);
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 下载账单
* @param download_url 请求参数 路径 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_8.shtml
*/
Pay.prototype.downloadbill = function (download_url) {
return __awaiter(this, void 0, void 0, function () {
var authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
authorization = this.init('GET', download_url);
return [4 /*yield*/, this.getRequest(download_url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 申请退款
* @param 请求参数 路径 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_2_9.shtml
*/
Pay.prototype.refunds = function (params) {
return __awaiter(this, void 0, void 0, function () {
var url, _params, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = 'https://api.mch.weixin.qq.com/v3/refund/domestic/refunds';
_params = this.sub_mchid ? __assign({}, params) : __assign(__assign({}, params), { sub_mchid: this.sub_mchid });
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
// https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter4_3_1.shtml
Pay.prototype.transfer_batches = function (params) {
return __awaiter(this, void 0, void 0, function () {
var _params, url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_params = __assign({ appid: this.appid, mchid: this.mchid }, params);
url = 'https://api.mch.weixin.qq.com/v3/transfer/batches';
authorization = this.init('POST', url, _params);
return [4 /*yield*/, this.postRequest(url, _params, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* 查询单笔退款
* @param 请求参数 路径 参数介绍 请看文档https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_2_10.shtml
*/
Pay.prototype.find_refunds = function (out_refund_no) {
return __awaiter(this, void 0, void 0, function () {
var url, authorization;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!out_refund_no)
throw new Error('缺少out_refund_no');
url = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds/".concat(out_refund_no);
authorization = this.init('GET', url);
return [4 /*yield*/, this.getRequest(url, authorization)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
Pay.certificates = {}; // 商户平台证书 key 是 serialNo, value 是 publicKey
Pay.decipher_gcm = decipher_gcm;
return Pay;
}());
function decipher_gcm(ciphertext, associated_data, nonce, key) {
var _ciphertext = Buffer.from(ciphertext, 'base64');
// 解密 ciphertext字符 AEAD_AES_256_GCM算法
var authTag = _ciphertext.slice(_ciphertext.length - 16);
var data = _ciphertext.slice(0, _ciphertext.length - 16);
var decipher = crypto_1.default.createDecipheriv('aes-256-gcm', key, nonce);
decipher.setAuthTag(authTag);
decipher.setAAD(Buffer.from(associated_data));
var decoded = decipher.update(data, undefined, 'utf8');
decipher.final();
try {
return JSON.parse(decoded);
}
catch (e) {
return decoded;
}
}
module.exports = Pay;