fgx--增加md5签名验证

tx-fi-tax/app/base/system.js

@@ -3,6 +3,7 @@ var objsettings = require("../config/objsettings");
 var settings = require("../config/settings");
 var settings = require("../config/settings");
 const request = require('request');
 const request = require('request');
 const cryptoJS = require('crypto-js');
 const cryptoJS = require('crypto-js');
+const md5 = require('MD5');
 
 
 class System {
 class System {
 	static declare(ns) {
 	static declare(ns) {
@@ -330,6 +331,46 @@ class System {
 		return plaintext;
 		return plaintext;
 	}
 	}
 
 
+	/**
+	 * 签名认证
+	 * @param {json} vo json对象
+	 * @param {string} secret 签名信息
+	 */
+	static signValid(obj, secret) {
+		console.log("secret:{}", secret);
+		// obj json字符串
+		var svrSign;
+		if (obj == "{}" || !secret || secret == 'undefined') {
+			svrSign = "";
+		} else {
+			// 对传入的json   obj进行处理得到toSignStr
+			let arr = [];
+			for (var key in obj) {
+				arr.push(key)
+			}
+			arr.sort();
+			let str = '';
+			for (var i in arr) {
+				if (arr[i] != "sign" && arr[i] != "ip" &&
+					(!(Object.prototype.toString.call(obj[arr[i]]) == '[object Object]' || Object.prototype.toString.call(obj[arr[i]]) == '[object Array]')
+						&& (obj[arr[i]] && obj[arr[i]] != 'undefined'))) {
+					str += arr[i] + "=" + obj[arr[i]] + "&";
+				}
+			}
+			var toSignStr = str.substr(0, str.length - 1);
+			var sb = toSignStr + secret;
+			console.log("cmd=ApiSignUtils:toSign msg=original Sign:" + sb.toString() + "  req param:" + obj);
+			// 对sb进行md5加密后得到svrSign
+			svrSign = md5(sb);
+			console.log("svrSign===>" + svrSign);
+		}
+		if (svrSign.toLowerCase() == obj["sign"].toLowerCase()) {
+			console.log("cmd=ApiSignUtils:SignValid msg=original Sign:" + svrSign)
+			return true;
+		}
+		console.error("cmd=ApiSignUtils:SignValid msg=Sign validtate fail! svrSign:" + svrSign + "   reqSign:" + obj["sign"]);
+		return false;
+	}
 
 
 }
 }
 Date.prototype.Format = function (fmt) { //author: meizz
 Date.prototype.Format = function (fmt) { //author: meizz
@@ -416,3 +457,21 @@ module.exports = System;
 //         console.log(e);
 //         console.log(e);
 // 	}
 // 	}
 // })()
 // })()
+
+(async () => {
+	var obj = {
+		"postWay": '2',
+		"courier_number": '1805679087555',
+		"companyId": 102,
+		"customerId": 499482,
+		"sign": '57acb7037f64d558edf2e844340791e2',
+		"currentPeriod": 202001
+	}
+	var secret = "2a24a72dc78679bb0796dd3af50a429a";
+	try {
+		var flag = await System.signValid(obj, secret)
+		console.log(flag);
+	} catch (e) {
+		console.log(e);
+	}
+})()
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