Adding CC generator

src/data/base/creditcards/creditcards.rs

@@ -0,0 +1,98 @@
+use wasm_bindgen::prelude::*;
+use crate::utils::seeder;
+use rand::Rng;
+use std::iter;
+use chrono::{Datelike, Utc};
+
+#[wasm_bindgen]
+pub fn get_credit_card_number() -> String {
+    let cardnum = get_credit_card_number_and_issuer();
+    let cardnum_split = cardnum.split_once(": ").unwrap();
+    cardnum_split.1.to_string()
+}
+
+#[wasm_bindgen]
+pub fn get_credit_card_issuer() -> String {
+    ISSUERS[seeder::gen_range(0..ISSUERS_LEN)].to_string()
+}
+
+#[wasm_bindgen]
+pub fn get_credit_card_number_and_issuer() -> String {
+    let mut card_number = String::from("");
+    let issuer = ISSUERS[seeder::gen_range(0..ISSUERS_LEN)];
+    const CHARSET: &[u8] = b"0123456789";
+    let mut rng = rand::thread_rng();
+    let one_char = || CHARSET[rng.gen_range(0..CHARSET.len())] as char;
+
+    match issuer {
+        "Visa" => {
+            card_number.push('4');
+            let num_of_digits = [12,15][seeder::gen_range(0..2)];
+            let digits: String = iter::repeat_with(one_char).take(num_of_digits).collect();
+            card_number.push_str(&digits);
+        },
+        "Mastercard" => {
+            card_number.push('5');
+            let digits: String = iter::repeat_with(one_char).take(15).collect();
+            card_number.push_str(&digits);
+        },
+        "American Express" => {
+            card_number.push('3');
+            card_number.push(['4','7'][seeder::gen_range(0..2)]);
+            let digits: String = iter::repeat_with(one_char).take(13).collect();
+            card_number.push_str(&digits);
+
+        },
+        "Discover" => {
+            card_number.push('6');
+            let digits: String = iter::repeat_with(one_char).take(15).collect();
+            card_number.push_str(&digits);
+        },
+        "Diners Club" => {
+            card_number.push('3');
+            card_number.push(['0','6','8'][seeder::gen_range(0..3)]);
+            let digits: String = iter::repeat_with(one_char).take(12).collect();
+            card_number.push_str(&digits);
+            // Add either 0, 6, 8
+        },
+        "Carte Blanche" => {
+            card_number.push('3');
+            card_number.push(['0','6','8'][seeder::gen_range(0..3)]);
+            let digits: String = iter::repeat_with(one_char).take(12).collect();
+            card_number.push_str(&digits);
+            // Add either 0, 6, 8
+        },
+        _ => {},
+    };
+
+    format!("{}: {}", issuer, card_number)
+}
+
+#[wasm_bindgen]
+pub fn get_credit_card_cvv() -> String {
+    const CHARSET: &[u8] = b"0123456789";
+    let mut rng = rand::thread_rng();
+    let one_char = || CHARSET[rng.gen_range(0..CHARSET.len())] as char;
+    let digits: String = iter::repeat_with(one_char).take(3).collect();
+    digits
+}
+
+#[wasm_bindgen]
+pub fn get_credit_card_expiry() -> String {
+    let mut rng = rand::thread_rng();
+    let month = rng.gen_range(1..13);
+    let now = Utc::now();
+    let year = (now.year() + rng.gen_range(1..6)).to_string().split_off(2);
+
+    format!("{:02}/{}", month, year)
+}
+
+static ISSUERS: [&'static str; 6] = [
+    "Visa",
+    "Mastercard",
+    "American Express",
+    "Discover",
+    "Diners Club",
+    "Carte Blanche",
+];
+static ISSUERS_LEN: usize = ISSUERS.len();

src/data/base/creditcards/mod.rs

@@ -0,0 +1 @@
+pub mod creditcards;

src/data/base/mod.rs

@@ -2,4 +2,5 @@ pub mod hacker;
 pub mod color;
 pub mod location;
 pub mod internet;
-pub mod car;
+pub mod creditcards;
+pub mod car;