wechat-pay-sdk
Version:
sdk for wechat developer
260 lines (242 loc) • 9.08 kB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("js2xmlparser"), require("xml2json"), require("md5"), require("request"), require("url"));
else if(typeof define === 'function' && define.amd)
define(["js2xmlparser", "xml2json", "md5", "request", "url"], factory);
else {
var a = typeof exports === 'object' ? factory(require("js2xmlparser"), require("xml2json"), require("md5"), require("request"), require("url")) : factory(root["js2xmlparser"], root["xml2json"], root["md5"], root["request"], root["url"]);
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
})(this, function(__WEBPACK_EXTERNAL_MODULE_1__, __WEBPACK_EXTERNAL_MODULE_2__, __WEBPACK_EXTERNAL_MODULE_3__, __WEBPACK_EXTERNAL_MODULE_4__, __WEBPACK_EXTERNAL_MODULE_5__) {
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var js2xml = __webpack_require__(1);
var xml2json = __webpack_require__(2);
var md5_1 = __webpack_require__(3);
var request = __webpack_require__(4);
var url = __webpack_require__(5);
var util_1 = __webpack_require__(6);
var WechatPay = (function () {
function WechatPay(options) {
this.baseApiObj = {
protocol: 'https',
hostname: 'api.weixin.qq.com',
};
if (!options) {
throw new Error('options is required');
}
this.baseUrl = options.baseUrl || 'https://api.weixin.qq.com';
this.appid = options.appid;
this.secret = options.secret;
this.mch_id = options.mch_id;
this.key = options.key;
}
/**
* 获取用户openid
* @param code url上的code
* @param callback 回调
*/
WechatPay.prototype.getUserOpenId = function (code, callback) {
var _this = this;
var _a = this, appid = _a.appid, secret = _a.secret;
return new Promise(function (resolve, reject) {
var openidUrl = url.format(Object.assign({}, {
pathname: '/sns/jscode2session',
query: {
appid: appid,
secret: secret,
js_code: code,
grant_type: 'authorization_code',
},
}, _this.baseApiObj));
request.get(openidUrl, { json: true }, function (err, res, data) {
if (err || res.statusCode !== 200) {
throw new Error('get openid failed');
}
else {
resolve(data);
if (callback)
callback(data);
}
});
});
};
/**
* generator sign
* @param obj
*/
WechatPay.prototype._generatorSign = function (obj) {
var sortArr = Object.keys(obj).sort();
var sortStr = '';
sortArr = sortArr.map(function (key) {
return key + "=" + obj[key];
});
sortArr.push("key=" + this.key);
sortStr = sortArr.join('&');
return md5_1.default(sortStr).toUpperCase();
};
/**
* 发起微信支付
* @param options 发起支付的参数
* @param callback 回调函数
*/
WechatPay.prototype.payment = function (options, callback) {
var _this = this;
if (!options)
throw new Error('payment method need args');
return new Promise(function (resolve, reject) {
var basicReq = {
appid: _this.appid,
mch_id: _this.mch_id,
nonce_str: util_1.readomString(32),
trade_type: 'JSAPI',
};
var customerReq = Object.assign({}, basicReq, options);
var sign = _this._generatorSign(customerReq);
customerReq.sign = sign;
var modal2xml = js2xml.parse('xml', customerReq);
request({
url: url.format(Object.assign({}, _this.baseApiObj, { hostname: 'api.mch.weixin.qq.com', pathname: '/pay/unifiedorder' })),
method: 'POST',
body: modal2xml,
}, function (err, res, data) {
var originalData = { xml: {} }, wechatPayData = {};
if (err || res.statusCode !== 200) {
reject(new Error('connect failed'));
return;
}
try {
originalData = JSON.parse(xml2json.toJson(data));
}
catch (error) {
reject(new Error('xml parse failed'));
return;
}
if (originalData.xml.return_code === 'SUCCESS') {
var prepay_id = originalData.xml.prepay_id;
wechatPayData = {
appId: _this.appid,
timeStamp: new Date().getTime(),
nonceStr: util_1.readomString(32),
package: "prepay_id=" + prepay_id,
signType: 'MD5',
};
wechatPayData.paySign = _this._generatorSign(wechatPayData);
}
resolve({
original_data: originalData.xml,
wechatpay_data: wechatPayData,
});
if (callback)
callback({ original_data: originalData, wechatpay_data: wechatPayData });
});
});
};
return WechatPay;
}());
module.exports = WechatPay;
/***/ }),
/* 1 */
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module.exports = __WEBPACK_EXTERNAL_MODULE_1__;
/***/ }),
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module.exports = __WEBPACK_EXTERNAL_MODULE_2__;
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module.exports = __WEBPACK_EXTERNAL_MODULE_3__;
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module.exports = __WEBPACK_EXTERNAL_MODULE_4__;
/***/ }),
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module.exports = __WEBPACK_EXTERNAL_MODULE_5__;
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function readomString(length) {
if (length === void 0) { length = 32; }
var possibleStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
var tempStrArr = [];
for (var i = 0; i < length; i++) {
tempStrArr.push(possibleStr.charAt(Math.floor(Math.random() * length)));
}
return tempStrArr.join('');
}
exports.readomString = readomString;
/***/ })
/******/ ]);
});