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@Pamblam
Forked from B-Con/Credit Card Generator
Last active August 14, 2023 14:33
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Generate a valid random credit card number, CVV, issuer and expiration date
/**
* Generate a valid random credit card number, CVV, issuer and expiration date
*
* Original Copywrite/license:
*
* Copyright (c) 2015, Brad Conte (http: *bradconte.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
function cc_gen() {
var pos;
var str = new Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
var sum = 0;
var final_digit = 0;
var t = 0;
var len_offset = 0;
var len = 0;
var issuerIndex = Math.floor(Math.random() * 3);
var issuers = ['Mastercard', 'Visa', 'American Express', 'Discover'];
var issuer = issuers[issuerIndex];
var CVV = (Math.floor(Math.random() * 9) + 1 + "")
.concat(Math.floor(Math.random() * 9) + 1 + "")
.concat(Math.floor(Math.random() * 9) + 1 + "");
var exp_year = new Date().getFullYear() + Math.floor(Math.random() * 4) + 1;
var exp_month = Math.floor(Math.random() * 12) + 1
switch (issuer) {
case "Visa":
str[0] = 4;
pos = 1;
len = Math.random() > .5 ? 16 : 13;
break;
case "Mastercard":
str[0] = 5;
t = Math.floor(Math.random() * 5) % 5;
str[1] = 1 + t; // Between 1 and 5.
pos = 2;
len = 16;
break;
case "American Express":
str[0] = 3;
t = Math.floor(Math.random() * 4) % 4;
str[1] = 4 + t; // Between 4 and 7.
pos = 2;
len = 15;
CVV = CVV.concat(Math.floor(Math.random() * 9) + 1 + "");
break;
case "Discover":
str[0] = 6;
str[1] = 0;
str[2] = 1;
str[3] = 1;
pos = 4;
len = 16;
break;
}
while (pos < len - 1)
str[pos++] = Math.floor(Math.random() * 10) % 10;
// Calculate the Luhn checksum of the values thus far.
len_offset = (len + 1) % 2;
for (pos = 0; pos < len - 1; pos++) {
if ((pos + len_offset) % 2) {
t = str[pos] * 2;
if (t > 9) {
t -= 9;
}
sum += t;
} else {
sum += str[pos];
}
}
// Choose the last digit so that it causes the entire string to pass the checksum.
final_digit = (10 - (sum % 10)) % 10;
str[len - 1] = final_digit;
t = str.join('');
t = t.substr(0, len);
return {
cc: t,
cvv: CVV,
issuer: issuer,
exp_year: exp_year,
exp_month: exp_month
}
}
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