kavehhn
f04c797be6
Express/MongoDB backend with JWT auth, RBAC, S3 uploads, notifications, and scheduled jobs.
28 lines
708 B
JavaScript
28 lines
708 B
JavaScript
// /utils/credentials.js
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'use strict';
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const crypto = require('crypto');
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const LETTERS = 'abcdefghijkmnpqrstuvwxyz';
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const DIGITS = '23456789';
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const randomFrom = (alphabet, length) => {
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let out = '';
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const bytes = crypto.randomBytes(length);
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for (let i = 0; i < length; i += 1) {
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out += alphabet[bytes[i] % alphabet.length];
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}
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return out;
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};
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/** Simple password: exactly 2 English letters + 4 digits (e.g. kx4821) */
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const generateSimplePassword = () => `${randomFrom(LETTERS, 2)}${randomFrom(DIGITS, 4)}`;
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/** Random username: u + 6 digits (e.g. u482910) */
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const generateUsername = () => `u${randomFrom(DIGITS, 6)}`;
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module.exports = {
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generateSimplePassword,
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generateUsername,
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};
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