js-dicom/src/VerifyUtility/verify.js

this is js-dicom

import jsDicomCfg from '../jsDicomCfg';
import $ from 'jquery';
import CryptoJS from 'crypto-js';
import  version from '../version';


function buildMachineCode(deferred) {

    let  AESPassWord = "104955D36AE07843";
    let url = jsDicomCfg.url + "/buildMachineCode";

     deferred = $.Deferred();

    try {
        $.get(url, function (rest) {
            console.log("machineCode:" + rest);
            AESPassWord += new Date().Format("yyyy-MM-dd hh:mm");
            let shapass = CryptoJS.SHA1(AESPassWord);
            let key = new shapass.init(shapass.words, 16);
            let iv = key;
            var decrypted = CryptoJS.AES.decrypt(rest, key, {
                iv: iv,
                mode: CryptoJS.mode.CBC,
                padding: CryptoJS.pad.Pkcs7
            });

            //字符串格式   CPUID#SerialNumber#随机数
            let machineCodeStr = CryptoJS.enc.Utf8.stringify(decrypted);
            let machineCodeArray = machineCodeStr.split("#");
            let machineCode = {
                CPUID: machineCodeArray[0],
                SerialNumber: machineCodeArray[1]
            };

            deferred.resolve(machineCode);
        });
    }
    catch(error){
        deferred.reject(error);
    }

    return deferred.promise();

}

function authCode(deferred) {

    let AESPassWord = "85C57567355F8A6C";
    let url = jsDicomCfg.url + "/authCode";

     deferred = $.Deferred();
    try {
        $.get(url, function (rest) {
            console.log("authCode:" + rest);
            let shapass = CryptoJS.SHA1(AESPassWord);
            let key = new shapass.init(shapass.words, 16);
            let iv = key;
            var decrypted = CryptoJS.AES.decrypt(rest, key, {
                iv: iv,
                mode: CryptoJS.mode.CBC,
                padding: CryptoJS.pad.Pkcs7
            });

            //orgName#orgCode#medCode#CPUID#SerialNumber#申请日期#开发商Code#授权类型#机构类型#机构等级#最大连接数#产品名称#版本号#随机数
            let authCodeStr = CryptoJS.enc.Utf8.stringify(decrypted);
            let authCodeArray = authCodeStr.split("#");
            let authCode = {
                OrgName: authCodeArray[0],
                OrgCode: authCodeArray[1],
                MedCode: authCodeArray[2],
                CPUID: authCodeArray[3],
                SerialNumber: authCodeArray[4],
                ApplyDate: authCodeArray[5],
                DevMerCode: authCodeArray[6],
                AuthorType: authCodeArray[7],
                OrgType: authCodeArray[8],
                OrgGrade: authCodeArray[9],
                MaxConNum: authCodeArray[10],
                ProductName: authCodeArray[11],
                Version: authCodeArray[12]
            };

            deferred.resolve(authCode);
        })
    }
    catch (error) {
        deferred.reject(error);
    }
    return deferred.promise();
}

function verifyLicense(canvasContext,imageW,imageH) {



    $.when(buildMachineCode(),authCode()).done(function (machineCode,authCode) {

        if(machineCode.CPUID!=authCode.CPUID && machineCode.SerialNumber!=authCode.SerialNumber){
            drawDemo(canvasContext,imageW,imageH);
            return;
        }

        if(authCode.ProductName!="js-dicom"){
            drawDemo(canvasContext,imageW,imageH);
            return;
        }
        let Version = version;
        if(Version.split(".")[0]>authCode.Version.split(".")[0]){
            drawDemo(canvasContext,imageW,imageH);
            return;
        }
    }).fail(function (error) {
        console.error(error);
        drawDemo(canvasContext,imageW,imageH);
    });

}

function drawDemo(canvasContext,imageW,imageH) {

    let t ="js-dicom";
    canvasContext.font="bold 48px Arial";
    canvasContext.fillStyle =  "#b2b2b2";

    //canvasContext.fillText(t,imageW/2.0,imageH/2.0);
    let tw = canvasContext.measureText(t).width;
    //console.log(tw);
    let th = 48;
    //console.log(th);
    canvasContext.fillText(t,(imageW-tw)/2.0,(imageH-th)/2.0);
}

export default verifyLicense;