2letters_domains_available

var https = require("https");
var fs = require("fs");
var ws = fs.createWriteStream("2letters_domains_available.txt");

var domain = "aa.lc"; // format: aa.tld
var numbers = false; // include numbers

function apiParse(body)
{
    var status = JSON.parse(body)[0].available;
    if (status == "pending")
        apiRequest();
    else
    {
        console.log(domain + ": " + status);
        if (status == "available")
            ws.write(domain + "\n");
        var ascii = domain.charCodeAt(1);
        if (ascii > 96 && ascii < 122) // > 'a' - 1 && < 'z' character
            domain = domain.substring(0, 1) + String.fromCharCode(ascii + 1) + domain.substring(2);
        else if (numbers && (ascii == 122 || ascii < 57)) // < '9' character
        {
            if (ascii == 122)
                ascii = 47; // '0' character - 1
            domain = domain.substring(0, 1) + String.fromCharCode(ascii + 1) + domain.substring(2);
        }
        else if ((ascii = domain.charCodeAt(0)) > 96 && ascii < 122)
        {
            domain = domain.substring(0, 1) + 'a' + domain.substring(2);
            domain = String.fromCharCode(ascii + 1) + domain.substring(1);
        }
        else if (numbers && (ascii == 122 || ascii < 57))
        {
            if (ascii == 122)
                ascii = 47;
            domain = domain.substring(0, 1) + 'a' + domain.substring(2);
            domain = String.fromCharCode(ascii + 1) + domain.substring(1);
        }
        else
        {
            ws.end();
            return;
        }
        apiRequest();
    }
}

function apiResponse(res)
{
    var body = "";
    res.on("data", function(d) {
        body += d;
    });
    res.on("end", function() {
        apiParse(body);
    });
}

function apiRequest()
{
    console.log("checking " + domain);
    https.get("https://www.gandi.net/domain/suggest/verbose_tlds?currency=EUR&tld=" + domain, apiResponse);
}

apiRequest();