wechat-payment-node
Version:
微信支付 for nodejs,创建统一支付订单,查询订单,关闭订单,申请退款,查询退款详情,企业付款，即转账到个人微信钱包,查询企业付款详情 Payment API of Weixin (WeChat) for APP and also JSAPI
467 lines (390 loc) • 18.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _regenerator = require('babel-runtime/regenerator');
var _regenerator2 = _interopRequireDefault(_regenerator);
var _assign = require('babel-runtime/core-js/object/assign');
var _assign2 = _interopRequireDefault(_assign);
var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
var _keys = require('babel-runtime/core-js/object/keys');
var _keys2 = _interopRequireDefault(_keys);
var _promise = require('babel-runtime/core-js/promise');
var _promise2 = _interopRequireDefault(_promise);
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _utils = require('./utils');
var _utils2 = _interopRequireDefault(_utils);
var _urls = require('./urls');
var _urls2 = _interopRequireDefault(_urls);
var _request = require('request');
var _request2 = _interopRequireDefault(_request);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var WechatPayment = function () {
function WechatPayment(options) {
(0, _classCallCheck3.default)(this, WechatPayment);
if (!options.appid || !options.mch_id) {
throw new Error("Seems that app id or merchant id is not set, please provide wechat app id and merchant id.");
//throw new Error('haha');
}
this.options = options;
}
/**
* create wechat unified order
* @params order object
*
* spec: https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
*/
(0, _createClass3.default)(WechatPayment, [{
key: 'createUnifiedOrder',
value: function createUnifiedOrder(order) {
var _this2 = this;
return new _promise2.default(function (resolve, reject) {
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.appid = _this2.options.appid;
order.mch_id = _this2.options.mch_id;
order.sign = _utils2.default.sign(order, _this2.options.apiKey);
var requestParam = {
url: _urls2.default.UNIFIED_ORDER,
method: 'POST',
body: _utils2.default.buildXML(order)
};
(0, _request2.default)(requestParam, function (err, response, body) {
if (err) {
reject(err);
}
_utils2.default.parseXML(body).then(function (result) {
resolve(result);
}).catch(function (err) {
reject(err);
});
});
});
}
/**
* config for payment
*
* @param prepayId from prepay id
*/
}, {
key: 'configForPayment',
value: function configForPayment(prepayId) {
var configData = {
appid: this.options.appid,
partnerid: this.options.mch_id,
prepayid: prepayId,
package: 'Sign=WXPay',
noncestr: _utils2.default.createNonceStr(),
timestamp: parseInt(new Date().getTime() / 1000).toString()
};
configData.sign = _utils2.default.sign(configData, this.options.apiKey);
return configData;
}
/**
* query
*
*
* spec: https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2
*/
}, {
key: 'queryOrder',
value: function queryOrder(query) {
var _this3 = this;
return new _promise2.default(function (resolve, reject) {
if (!(query.transaction_id || query.out_trade_no)) {
reject(new Error('缺少参数'));
}
query.nonce_str = query.nonce_str || _utils2.default.createNonceStr();
query.appid = _this3.options.appid;
query.mch_id = _this3.options.mch_id;
query.sign = _utils2.default.sign(query, _this3.options.apiKey);
(0, _request2.default)({
url: _urls2.default.ORDER_QUERY,
method: "POST",
body: _utils2.default.buildXML({ xml: query })
}, function (err, res, body) {
_utils2.default.parseXML(body).then(function (result) {
resolve(result);
}).catch(function (err) {
reject(err);
});
});
});
}
}, {
key: 'closeOrder',
value: function closeOrder(order) {
var _this4 = this;
return new _promise2.default(function (resolve, reject) {
if (!order.out_trade_no) {
reject(new Error('缺少参数'));
}
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.appid = _this4.options.appid;
order.mch_id = _this4.options.mch_id;
order.sign = _utils2.default.sign(order, _this4.options.apiKey);
(0, _request2.default)({
url: _urls2.default.CLOSE_ORDER,
method: "POST",
body: _utils2.default.buildXML({ xml: order })
}, function (err, res, body) {
_utils2.default.parseXML(body).then(function (result) {
resolve(result);
}).catch(function (err) {
reject(err);
});
});
});
}
}, {
key: 'refund',
value: function refund(order) {
var _this5 = this;
return new _promise2.default(function (resolve, reject) {
if (!order.transaction_id && !order.out_trade_no || !order.out_refund_no) {
reject(new Error('缺少参数'));
}
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.appid = _this5.options.appid;
order.mch_id = _this5.options.mch_id;
order.op_user_id = order.op_user_id || order.mch_id;
order.sign = _utils2.default.sign(order, _this5.options.apiKey);
(0, _request2.default)({
url: _urls2.default.REFUND,
method: "POST",
body: _utils2.default.buildXML({ xml: order }),
agentOptions: {
pfx: _this5.options.pfx,
passphrase: _this5.options.mch_id
}
}, function (err, response, body) {
_utils2.default.parseXML(body).then(function (result) {
resolve(result);
}).catch(function (err) {
reject(err);
});
});
});
}
}, {
key: 'queryRefund',
value: function queryRefund(order) {
var _this6 = this;
return new _promise2.default(function (resolve, reject) {
if (!(order.transaction_id || order.out_trade_no || order.out_refund_no || order.refund_id)) {
reject(new Error('缺少参数'));
}
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.appid = _this6.options.appid;
order.mch_id = _this6.options.mch_id;
order.sign = _utils2.default.sign(order, _this6.options.apiKey);
(0, _request2.default)({
url: _urls2.default.REFUND_QUERY,
method: "POST",
body: _utils2.default.buildXML({ xml: order })
}, function (err, response, body) {
_utils2.default.parseXML(body).then(function (result) {
resolve(result);
}).catch(function (err) {
reject(err);
});
});
});
}
}, {
key: 'transfers',
value: function transfers(order) {
var _this7 = this;
return new _promise2.default(function (resolve, reject) {
if (!(order.partner_trade_no && order.openid && order.check_name && order.amount && order.desc && order.spbill_create_ip)) {
reject(new Error('缺少参数'));
}
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.mch_appid = _this7.options.appid;
order.mchid = _this7.options.mch_id;
order.sign = _utils2.default.sign(order, _this7.options.apiKey);
(0, _request2.default)({
url: _urls2.default.TRANSFERS,
method: "POST",
body: _utils2.default.buildXML(order),
agentOptions: {
pfx: _this7.options.pfx,
passphrase: _this7.options.mch_id
}
}, function (err, response, body) {
if (err) return reject(err);
_utils2.default.parseXML.parseXML(body).then(function (result) {
if (!result || result.result_code === 'FAIL') reject(result);else resolve(result);
}).catch(reject);
});
});
}
}, {
key: 'queryTransferInfo',
value: function queryTransferInfo(order, fn) {
var _this8 = this;
return new _promise2.default(function (resolve, reject) {
if (!order.partner_trade_no) {
reject(new Error('缺少参数'));
}
order.nonce_str = order.nonce_str || _utils2.default.createNonceStr();
order.appid = _this8.options.appid;
order.mch_id = _this8.options.mch_id;
order.sign = _utils2.default.sign(order, _this8.options.apiKey);
(0, _request2.default)({
url: _urls2.default.TRNSFER_INFO,
method: "POST",
body: _utils2.default.buildXML({ xml: order }),
agentOptions: {
pfx: _this8.options.pfx,
passphrase: _this8.options.mch_id
}
}, function (err, response, body) {
_utils2.default.parseXML(body, fn);
});
});
}
}, {
key: 'getBrandWCPayRequestParams',
value: function getBrandWCPayRequestParams(order) {
var _this9 = this;
return new _promise2.default(function (resolve, reject) {
order.trade_type = "JSAPI";
_this9.createUnifiedOrder(order).then(function (data) {
var reqparam = {
appId: _this9.options.appid,
timeStamp: _utils2.default.createTimestamp(),
nonceStr: data.nonce_str,
package: "prepay_id=" + data.prepay_id,
signType: "MD5"
};
reqparam.paySign = _utils2.default.sign(reqparam, _this9.options.apiKey);
resolve(reqparam);
}).catch(function (err) {
reject(err);
});
});
}
}, {
key: 'createMerchantPrepayUrl',
value: function createMerchantPrepayUrl(param) {
param.time_stamp = param.time_stamp || _utils2.default.createTimestamp();
param.nonce_str = param.nonce_str || _utils2.default.createNonceStr();
param.appid = this.options.appid;
param.mch_id = this.options.mch_id;
param.sign = _utils2.default.sign(param, this.options.apiKey);
var query = (0, _keys2.default)(param).filter(function (key) {
return ['sign', 'mch_id', 'product_id', 'appid', 'time_stamp', 'nonce_str'].indexOf(key) >= 0;
}).map(function (key) {
return key + "=" + encodeURIComponent(param[key]);
}).join('&');
return "weixin://wxpay/bizpayurl?" + query;
}
}], [{
key: 'checkNotification',
value: function () {
var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(xml, apiKey) {
var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'payment';
var notification, dataForSign, signValue, _notification, decryptedData, finalData;
return _regenerator2.default.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
_context.prev = 0;
if (!(type == 'payment')) {
_context.next = 15;
break;
}
_context.next = 4;
return _utils2.default.parseXML(xml);
case 4:
notification = _context.sent;
dataForSign = (0, _assign2.default)({}, notification);
delete dataForSign.sign;
signValue = _utils2.default.sign(dataForSign, apiKey);
if (!(signValue != notification.sign)) {
_context.next = 12;
break;
}
return _context.abrupt('return', null);
case 12:
return _context.abrupt('return', notification);
case 13:
_context.next = 23;
break;
case 15:
_context.next = 17;
return _utils2.default.parseXML(xml);
case 17:
_notification = _context.sent;
decryptedData = _utils2.default.decryptByAes256Cbc(_notification.req_info, apiKey);
_context.next = 21;
return _utils2.default.parseXML(decryptedData);
case 21:
finalData = _context.sent;
return _context.abrupt('return', finalData);
case 23:
_context.next = 28;
break;
case 25:
_context.prev = 25;
_context.t0 = _context['catch'](0);
return _context.abrupt('return', _context.t0);
case 28:
case 'end':
return _context.stop();
}
}
}, _callee, this, [[0, 25]]);
}));
function checkNotification(_x2, _x3) {
return _ref.apply(this, arguments);
}
return checkNotification;
}()
}, {
key: 'wxCallback',
value: function wxCallback(fn, apiKey) {
var _this10 = this;
var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'payment';
return function (req, res, next) {
var _this = _this10;
res.success = function () {
res.end(_utils2.default.buildXML({ xml: { return_code: 'SUCCESS' } }));
};
res.fail = function () {
res.end(_utils2.default.buildXML({ xml: { return_code: 'FAIL' } }));
};
_utils2.default.pipe(req, function () {
var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(err, data) {
var xml, notification;
return _regenerator2.default.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
xml = data.toString('utf8');
_context2.next = 3;
return WechatPayment.checkNotification(xml, apiKey, type);
case 3:
notification = _context2.sent;
fn.apply(_this, [notification, req, res, next]);
case 5:
case 'end':
return _context2.stop();
}
}
}, _callee2, this);
}));
return function (_x5, _x6) {
return _ref2.apply(this, arguments);
};
}());
};
}
}]);
return WechatPayment;
}();
exports.default = WechatPayment;