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@cdvillagra
Created September 3, 2016 06:38
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Validação de cartão de crédito com referência à tabela IIN e validação com algoritimo de Luhn mod 10
//# Cria objeto primario caso não exista
if(typeof lavamosnos == 'undefined') lavamosnos = new Object();
//# Cria objeto secundário relacionado à classe quando não existir
if(typeof lavamosnos.card == 'undefined') lavamosnos.card = new Object();
var operators = [{
flag : 'visa',
maxNumber : [
13,16
],
maxCVV : 3,
initNumber : [
4
]
},
{
flag : 'mastercard',
maxNumber : [
16
],
maxCVV : 3,
initNumber : [
5
]
},
{
flag : 'diners',
maxNumber : [
14,16
],
maxCVV : 3,
initNumber : [
301,
305,
36,
38
]
},
{
flag : 'elo',
maxNumber : [
16
],
maxCVV : 3,
initNumber : [ 4011,
401178,
401179,
431274,
438935,
451416,
457393,
4576,
457631,
457632,
504175,
[506699, 506778],
[509000, 509999],
627780,
636297,
636368,
636369,
[650031, 650033],
[650035, 650051],
[650405, 650439],
[650485, 650538],
[650541, 650598],
[650700, 650718],
[650720, 650727],
[650901, 650920],
[651652, 651679],
[655000, 655019],
[655021, 655058]
]
},
{
flag : 'amex',
maxNumber : [
15
],
maxCVV : 4,
initNumber : [
[340000, 349999],
[370000, 379999]
]
},
{
flag : 'discover',
maxNumber : [
16
],
maxCVV : 4,
initNumber : [
6011,
622,
64,
65
]
},
{
flag : 'aura',
maxNumber : [
16
],
maxCVV : 3,
initNumber : [
50
]
},
{
flag : 'jcb',
maxNumber : [
16
],
maxCVV : 3,
initNumber : [
35
]
},
{
flag : 'hipercard',
maxNumber : [
13,16,19
],
maxCVV : 3,
initNumber : [
384100,
384140,
384160,
606282
]
}];
//# Decladração das funções dentro do objeto criado
lavamosnos.card = {
init: function(){
//# check flag
$('#numberCard').keyup(lavamosnos.card.checkFlag);
//# check numMax Card
$('#numberCard').blur(lavamosnos.card.checkNumMax);
//# check CVv
$('#cvvCard').blur(lavamosnos.card.checkCvv);
},
checkFlag: function(){
var number = $('#numberCard').val();
window.flag = false;
var base = 0;
$.each(operators, function(i,j){
$.each(j.initNumber, function(k,w){
if(typeof(w) == 'number'){
if(number.replace(" ", "").substring(0, w.toString().length) == w.toString()){
if(w.toString().length > base){
base = w.toString().length;
flag = j.flag;
}
}
}
if(typeof(w) == 'object'){
var numberBase = parseInt(number.replace(" ", "").substring(0, w[0].toString().length));
if(
(numberBase >= w[0]) &&
(numberBase <= w[1])
){
if(w.toString().length > base){
base = w.toString().length;
flag = j.flag;
}
}
}
var image = false;
switch(flag){
case 'visa':
image = 'card-visa.png';
break;
case 'mastercard':
image = 'card-master.png';
break;
case 'diners':
image = 'card-diners.png';
break;
case 'elo':
image = 'card-elo.png';
break;
case 'amex':
image = 'card-amex.png';
break;
case 'discover':
image = 'card-discover.png';
break;
case 'aura':
image = 'card-aura.png';
break;
case 'jcb':
image = 'card-jcb.png';
break;
case 'hipercard':
image = 'card-hiper.png';
break;
}
if(image !== false){
$('.card-flag').html('<img src="'+lavamosnos.general.image(image)+'" />');
}else{
$('.card-flag').html('');
}
});
});
},
checkNumMax: function(){
var number = $('#numberCard').val();
window.numValidate = false;
if(window.flag !== false){
$.each(operators, function(i,j){
if(j.flag == window.flag)
if(j.maxNumber.indexOf(number.split(" ").join("").length) != -1)
numValidate = true;
});
}
window.luhn = lavamosnos.card.luhn(number);
if((window.flag == 'amex') && (luhn === false))
luhn = lavamosnos.card.luhn(number,true);
},
luhn: function(number, reverse){
var odd = [];
var pair = [];
var tt_odd = 0;
var tt_pair = 0;
var gsdf = 'erwseafdas';
number = number.split(' ').join('');
var lastKey = parseInt(number.slice(-1));
var chars = number.split('');
if(typeof reverse !== 'undefined')
chars = chars.reverse();
$.each(chars,function(j,i){
if((j + 1) < number.length){
if(j % 2 ? 0 : 1){
odd.push(i);
}else{
pair.push(i);
}
}else{
}
});
$.each(odd,function(){
var tt = parseInt(this) * 2;
if(tt > 9){
var tmp = tt.toString().split('');
tt = parseInt(tmp[0]) + parseInt(tmp[1]);
}
tt_odd += tt;
});
$.each(pair,function(){
tt_pair += parseInt(this);
});
var key = ((parseInt((tt_odd + tt_pair) / 10) * 10) + 10) - (tt_odd + tt_pair);
return key == lastKey;
},
checkCvv: function(){
var cvv = $('#cvvCard').val();
window.cvvValidate = false;
if(window.flag !== false){
$.each(operators, function(i,j){
if(j.flag == window.flag)
if(j.maxCVV == cvv.toString().length)
cvvValidate = true;
});
}
}
}
$(document).ready(lavamosnos.card.init);
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