| import bcrypt from 'bcryptjs' |
| import { getCodeByCode } from './persistence' |
|
|
| export function generateCode(): string {
|
| const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
|
| let result = ''
|
| for (let i = 0; i < 5; i++) {
|
| result += chars.charAt(Math.floor(Math.random() * chars.length))
|
| }
|
| return result
|
| }
|
|
|
| export function validateCodeFormat(code: string): boolean {
|
| return /^[A-Z0-9]{5}$/.test(code.toUpperCase())
|
| }
|
|
|
| export async function hashPin(pin: string): Promise<string> {
|
| return bcrypt.hash(pin, 10)
|
| }
|
|
|
| export async function verifyPin(pin: string, hash: string): Promise<boolean> {
|
| return bcrypt.compare(pin, hash)
|
| }
|
|
|
| export function generateSessionHash(code: string, userAgent: string): string {
|
| const timestamp = Date.now().toString()
|
| const combined = `${code}${timestamp}${userAgent}`
|
| return btoa(combined).substring(0, 32)
|
| }
|
|
|
| export async function createCodePair(): Promise<{ code1: string, code2: string }> { |
| const code1 = generateCode() |
| const code2 = generateCode() |
| |
| |
| const [existing1, existing2] = await Promise.all([getCodeByCode(code1), getCodeByCode(code2)]) |
|
|
| if (existing1 || existing2) { |
| return createCodePair() |
| } |
| |
| return { code1, code2 } |
| } |
|
|
