import { randomUUID } from 'crypto'
export interface ConfirmationEntry<T = unknown> {
confirmationId: string
used: boolean
createdAt: number
params: T
}
export function createConfirmationStore<T>() {
return new Map<string, ConfirmationEntry<T>>()
}
export function createConfirmation<T>(
store: Map<string, ConfirmationEntry<T>>,
params: T
): ConfirmationEntry<T> {
const confirmationId = randomUUID()
const entry: ConfirmationEntry<T> = {
confirmationId,
used: false,
createdAt: Date.now(),
params,
}
store.set(confirmationId, entry)
return entry
}
export function validateConfirmation<T>(
store: Map<string, ConfirmationEntry<T>>,
confirmationId: string,
paramsCheck?: (params: T) => boolean,
expiryMs = 10 * 60 * 1000
): ConfirmationEntry<T> | null {
const entry = store.get(confirmationId)
if (!entry || entry.used) return null
if (Date.now() - entry.createdAt > expiryMs) {
store.delete(confirmationId)
return null
}
if (paramsCheck && !paramsCheck(entry.params)) return null
return entry
}
export function markConfirmationUsed<T>(
store: Map<string, ConfirmationEntry<T>>,
confirmationId: string
) {
const entry = store.get(confirmationId)
if (entry) {
entry.used = true
store.set(confirmationId, entry)
}
}
