From edf2b5ff5e95fac66e70ba41773ecb3868e86bbf Mon Sep 17 00:00:00 2001
From: Saksham Shekher <95137948+OshekharO@users.noreply.github.com>
Date: Sat, 13 Jul 2024 13:36:47 +0530
Subject: [PATCH] Update script.js

---
 script.js | 59 ++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 45 insertions(+), 14 deletions(-)

diff --git a/script.js b/script.js
index b9b1cdb..569528c 100644
--- a/script.js
+++ b/script.js
@@ -6,6 +6,32 @@ const stopCheckBtn = document.getElementById("stop-check-btn");
 
 let updateNumbers;
 
+// Function to perform Luhn check (standard and Amex)
+function isValidCreditCard(number) {
+  // Remove non-digit characters
+  number = number.replace(/\D/g, '');
+
+  // Check if it's potentially a valid credit card number
+  if (!/^(?:3[47][0-9]{13}|4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/.test(number)) {
+    return false;
+  }
+
+  let sum = 0;
+  let alternate = false;
+  for (let i = number.length - 1; i >= 0; i--) {
+    let n = parseInt(number.substring(i, i + 1));
+    if (alternate) {
+      n *= 2;
+      if (n > 9) {
+        n = (n % 10) + 1;
+      }
+    }
+    sum += n;
+    alternate = !alternate;
+  }
+  return (sum % 10) === 0;
+}
+
 checkBtn.addEventListener("click", function () {
   const numbers = document.getElementById("numbers").value;
   const numberArray = numbers.split("\n").filter((number) => {
@@ -26,28 +52,27 @@ checkBtn.addEventListener("click", function () {
   let muradList = [];
 
   for (let i = 0; i < numberArray.length; i++) {
-    const number = numberArray[i].trim();
-    const firstDigit = number.charAt(0);
-    const secondDigit = number.charAt(1);
-    const thirdDigit = number.charAt(2);
+    const line = numberArray[i].trim();
+    const cardNumber = line.split("|")[0].trim(); // Extract card number
 
-    const validPattern = /^\d{16}\|\s*\d{2}\|\s*\d{4}\|\s*\d{3}$|^\d{15}\|\s*\d{2}\|\s*\d{4}\|\s*\d{4}$|^\d{14}\|\s*\d{2}\|\s*\d{4}\|\s*\d{4}$/;
-    if (!validPattern.test(number)) {
+    if (!isValidCreditCard(cardNumber)) {
+      muradList.push(`<span style='color:grey; font-weight:bold;'>Invalid (Luhn Check)</span> | ${line} /OshekherO`);
       continue;
     }
 
     const randomNumber = Math.random();
     const randomFour = Math.floor(Math.random() * 4);
     const randomTen = Math.floor(Math.random() * 10);
-    const randomZero1 = Math.floor(Math.random() * 0);
-    const randomZero2 = Math.floor(Math.random() * 0);
+    const randomZero1 = Math.floor(Math.random() * 0); // This will always be 0
+    const randomZero2 = Math.floor(Math.random() * 0); // This will also always be 0
 
+    // Output includes the full line (including expiration and CVV)
     if (randomNumber < 0.2) {
-      aliList.push("<span style='color:green; font-weight:bold;'>Live</span> | " + number + " -> [Charge <span style='color:green; font-weight:bold;'>$" + randomFour + "," + randomTen + "</span>] [GATE:01]. /OshekherO");
+      aliList.push("<span style='color:green; font-weight:bold;'>Live</span> | " + line + " -> [Charge <span style='color:green; font-weight:bold;'>$" + randomFour + "," + randomTen + "</span>] [GATE:01]. /OshekherO");
     } else if (randomNumber < 0.9) {
-      muhammadList.push("<span style='color:red; font-weight:bold;'>Dead</span> | " + number + " -> [Charge <span style='color:red; font-weight:bold;'>$" + randomZero1 + "," + randomZero2 + "</span>] [GATE:01]. /OshekherO");
+      muhammadList.push("<span style='color:red; font-weight:bold;'>Dead</span> | " + line + " -> [Charge <span style='color:red; font-weight:bold;'>$" + randomZero1 + "," + randomZero2 + "</span>] [GATE:01]. /OshekherO");
     } else {
-      muradList.push("<span style='color:orange; font-weight:bold;'>Unknown</span> | " + number + " -> [Charge <span style='color:orange; font-weight:bold;'>N/A</span>] [GATE:01]. /OshekherO");
+      muradList.push("<span style='color:orange; font-weight:bold;'>Unknown</span> | " + line + " -> [Charge <span style='color:orange; font-weight:bold;'>N/A</span>] [GATE:01]. /OshekherO");
     }
   }
 
@@ -67,15 +92,21 @@ checkBtn.addEventListener("click", function () {
     if (i < muhammadList.length) {
       muhammadCount++;
       muhammadNumbersDiv.innerHTML += muhammadList[i] + "<br>";
-      document.getElementById("muhammad-count").innerHTML = "Checked: " + muhammadCount;
+      document.getElementById("muhammad-count").innerHTML =
+        "Checked: " + muhammadCount;
     }
     if (i < muradList.length) {
       muradCount++;
       muradNumbersDiv.innerHTML += muradList[i] + "<br>";
-      document.getElementById("murad-count").innerHTML = "Checked: " + muradCount;
+      document.getElementById("murad-count").innerHTML =
+        "Checked: " + muradCount;
     }
     i++;
-    if (i >= aliList.length && i >= muhammadList.length && i >= muradList.length) {
+    if (
+      i >= aliList.length &&
+      i >= muhammadList.length &&
+      i >= muradList.length
+    ) {
       clearInterval(updateNumbers);
       Swal.fire({
         title: "Checking completed!",