CSV downloader for Absa, using phantomjs

absa.js

var page = require('webpage').create(),
    access = '4XXXXXXXXX',
    pin = '1234',
    userno = '7',
    password = 'password22',
    accountno = '0000001111';

function waitFor(selector, callback, count){
    count = count || 0;
    // TODO make this more flexibile than just aborting after 30 seconds.
    if (count > 30){
        console.error('Timeout waiting for ' + selector);
        phantom.exit();
    }
    console.log('Waiting for ' + selector);
    var notthere = page.evaluate(
        function(selector){
            return document.querySelectorAll(selector).length == 0
        }, selector)

    if(notthere){
        console.log('waiting...');
        setTimeout(function(){ waitFor(selector, callback, count+1); }, 1000);
    } else {
        console.log('continuing.');
        callback();
    }
}

function step1(){
    // Fill in the login details
    page.evaluate(function(access, pin, userno){
        document.querySelector('input[name="AccessAccount"]').value = access;
        document.querySelector('input[name="PIN"]').value = pin;
        document.querySelector('input[name="Operator"]').value = userno;
        document.querySelector('*[type="submit"]').click();
    }, access, pin, userno);
    waitFor('form input.pf', step2);
}

function step2(){
    // Solve the password Challenge
    page.evaluate(function(password){
        Array.prototype.forEach.bind(document.querySelectorAll('form input.pf'))
        function(ob, idx){
            if (ob.type == 'password'){
                ob.value = password[idx];
            }
        });
        document.querySelector('*[type="submit"]').click();
    }, password);
    waitFor('.ap-accountbar', function(){
        var fs = require('fs'),
            result = page.evaluate(downloadStatement, accountno);
            fs.write('csv/' + (new Date()).getTime() + '.csv', result, 'w');
            logout();
            waitFor('body', function(){ phantom.exit(); });
    });
}

function logout(){
    // Logout
    page.evaluate(function(){
        Array.prototype.filter.bind(
            document.getElementsByTagName('a'))(
        function(el, idx){
            return el.textContent.trim() == 'Logoff'
        })[0].click();
    });
}

// API for statement download
// https://ib.absa.co.za/absa-online/report/transactionHistory.csv
//  ?isCreditCard=false
//  &fromAccount=12345678
//  &fromDate=2015-06-11
//  &toDate=2015-06-18
//  &sortField=lineNumber
//  &sortOrder=DESC
//  &cBal=true
//  &query=Search%20transactions
//  &uniq=new Date().getTime()
//  &nonce=absa.NONCE
function downloadStatement(account){
    var xmlhttp = new XMLHttpRequest(),
        url = 'https://ib.absa.co.za/absa-online/report/transactionHistory.csv?isCreditCard=false',
        now = new Date(),
        lastweek = new Date(now.getTime()-(7*1000*86400));

    url += '&fromAccount=' + account;
    url += '&fromDate=' + lastweek.getFullYear() + '-' + (lastweek.getMonth()+1) + '-' + lastweek.getDate();
    url += '&toDate=' + now.getFullYear() + '-' + (now.getMonth()+1) + '-' + now.getDate();

    url += '&sortField=lineNumber&sortOrder=DESC&cBal=true&query=Search%20transactions';
    url += '&uniq=' + now.getTime();
    url += '&nonce=' + window.absa.NONCE;

    xmlhttp.withCredentials = true;
    xmlhttp.open("GET", url, false); // synchronous
    xmlhttp.send();
    if (xmlhttp.status == 200) {
        return xmlhttp.responseText;
    }
    return null;
}

// Topple the first domino
page.open('https://ib.absa.co.za/absa-online/login.jsp', function(stat){
    step1();
});