1024.js

/*
 * *: alnum
 * #: digit
 * @: alpha
 */
var alpha = [...("a").repeat(6)].map((c, i) => String.fromCharCode(c.charCodeAt(0) + i)).sort(() => Math.random() - 0.5);
var digit = [...("0").repeat(10)].map((c, i) => String.fromCharCode(c.charCodeAt(0) + i)).sort(() => Math.random() - 0.5);
var alnum = [].concat(alpha, digit).sort(() => Math.random() - 0.5);
var collect = {
    "*": alnum,
    "#": digit,
    "@": alpha
};

var code = "abc";
var PAT = /(\*|#|@)/g;
var codes = [for
    (i of permut(...(code.match(PAT) || []).map(i => collect[i])))
        code.replace(PAT, i.shift.bind(i))
];

//var codes = [for (i of [1576, 2503, 1553]) for (j of [...("a").repeat(26)].map((c, i) => String.fromCharCode(c.charCodeAt(0) + i))) ["1a3035e", i, "eda6", j].join("")];
//var codes = [for (i of [].concat(alpha)) for (j of [].concat(digit)) ["b16a0ee2", j, "548445", i].join("")];


var idx = -1;
function invcode(idx) {
    if (++idx >= codes.length) {
        alert("over!");
        return;
    }
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "http://****/register.php?", true);
    xhr.setRequestHeader("Referer", "http://****/register.php")
    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xhr.onload = function (res) {
       console.log(xhr.responseText);
       if (!~xhr.responseText.indexOf("0")) {
           setTimeout(function () {
               invcode(idx);
           }, 4000);
       } else {
           alert(codes[idx]);
       }
    };
    var data = {
       "reginvcode": codes[idx],
       "action": "reginvcodeck"
    };
    var formData = []//new FormData();
    for (let [k, v] of iter(data)) {
       formData.push([k, v].join("="));
       //formData.append(k, v);
    }
    formData = formData.join("&");
    xhr.send(formData);
}
invcode(idx);
function *iter(o) {
    for (let i in o) yield [i, o[i]];
}

function permut(...args) {
    if (!args.length) return;
    var rst = [[]];
    while (args.length) {
        let temp = [];
        let next = args.shift();
        for (let i = 0, ilen = rst.length; i < ilen; i++) {
            for (let j = 0, jlen = next.length; j < jlen; j++) {
                temp.push(rst[i].concat([next[j]]));
            }
        }
        rst = temp;
    }
    return rst;
}