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9853b20 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | 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()
// Ensure uniqueness by checking persistence (local-first)
const [existing1, existing2] = await Promise.all([getCodeByCode(code1), getCodeByCode(code2)])
if (existing1 || existing2) {
return createCodePair()
}
return { code1, code2 }
}
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