var express = require('express');

var path = require('path');

var app = express();

var port = process.env.port||;

var wx = require('./admin/wx/wx.js');

//token认证--get请求

app.get('/wx',wx.token);

var config = require('./config/config.js');

var API = require('wechat-api');

var url = require("url");

var crypto = require("crypto");

function wx(){

    //token认证

    this.token = function(req,res){

        function sha1(str){

        var md5sum = crypto.createHash("sha1");

        md5sum.update(str);

        str = md5sum.digest("hex");

        return str;

        }

        var query = url.parse(req.url,true).query;

        var signature = query.signature;

        var echostr = query.echostr;

        var timestamp = query['timestamp'];

        var nonce = query.nonce;

        var oriArray = new Array();

        oriArray[] = nonce;

        oriArray[] = timestamp;

        oriArray[] = "weixin";//这里是你在微信开发者中心页面里填的token，而不是****

        oriArray.sort();

        var original = oriArray.join('');

        var scyptoString = sha1(original);

        if(signature == scyptoString){

            res.end(echostr);

            console.log("确认成功！");

        }else {

            res.end("false");

            console.log("失败!");

        }

    }

}

module.exports = new wx();