javascript_Witcher题目源码

javascript_Witcher.js

function (urandom) {

    function step1(){
        var a = new Date();
        var b = Number(a.getFullYear());
        t = 0;
        for (var i = 0; i < b.length;	i++ ){
            t += parseInt();
        }
        var c = String(a.getFullYear());
        for (var i = 0; i < c.length; i++ ){
            t += b % 10;
            b = b / 10;
        }
        var b = Number(a.getFullYear());
        if (!(b%400===0 || b%100!=0 && b%4===0))
            return false;
        if (!(t > 11 & t < 27))
            return false;

        return true;
    }

    function step2() {
        var a = Array.apply(null, new Array(Math.floor(Math.random() * 20 + 12) + 10)).map(function () {return Math.random() * 0x10000;});
        var b = urandom(a.length);

        if (!Array.isArray(b)) {
            return false;
        }

        if (b.length < a.length) {
            for (var i = 0, n = a.length - b.length; i < n; i++) {
                delete b[b.length];
                b[b.length] = [Math.random() * 0x10000];
            }
        } else if (b.length > a.length) {
            for (var i = 0, n = b.length - a.length; i < n; i++)
                Array.prototype.pop.apply(b);
        }

        for (var i = 0, n = b.length; i < n; i++) {
            if (a[i] != b[i]) {
                return false;
            }
        }

        return true;
    }

    function step3() {
        var a = Array.apply(null, new Array((urandom() % 20 + 12) + 10)).map(function () {return urandom() % 0x10000;});
        var b = urandom(a.length);

        if (!Array.isArray(b)) {
            return false;
        }

        if (b.length < a.length) {
            for (var i = 0, n = a.length - b.length; i < n; i++) {
                delete b[b.length];
                b[b.length] = [Math.random() * 0x10000];
            }
        } else if (b.length > a.length) {
            for (var i = 0, n = b.length - a.length; i < n; i++)
                Array.prototype.pop.apply(b);
        }

        for (var i = 0, n = b.length; i < n; i++) {
            if (a[i] != b[i]) {
                return false;
            }
        }

        return true;
    }



    if (!step1())
        return "Thinkphp!";

    if (!step2())
        return "Yiiii~";

    if (!step3())
        return "Laravel!";

    return flag;