79 lines
2.0 KiB
JavaScript
79 lines
2.0 KiB
JavaScript
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// Generated, do not edit. sha256:267314982d9469bd348aa537982dfb5f7b94157d526aea6cbeeb8cefdfe06595
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import { randomBytes } from 'node:crypto';
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import { CONFIG } from '../shared/config.js';
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const nieuwToken = () => randomBytes(32).toString('hex');
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export function createSessionStore({ ttlMs = CONFIG.AUTH.SESSION_TTL_MS, now = Date.now } = {}) {
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const sessies = new Map();
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const verlopen = (aangemaakt) => now() - aangemaakt >= ttlMs;
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return {
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create() {
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for (const [token, aangemaakt] of sessies) if (verlopen(aangemaakt)) sessies.delete(token);
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const token = nieuwToken();
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sessies.set(token, now());
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return token;
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},
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isValid(token) {
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if (typeof token !== 'string' || !token) return false;
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const aangemaakt = sessies.get(token);
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if (aangemaakt === undefined) return false;
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if (verlopen(aangemaakt)) { sessies.delete(token); return false; }
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return true;
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},
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drop(token) {
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return sessies.delete(token);
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},
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size() {
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return sessies.size;
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},
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};
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}
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export function createAttemptLimiter({
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free = CONFIG.AUTH.LOGIN_ATTEMPTS.FREE,
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baseLockMs = CONFIG.AUTH.LOGIN_ATTEMPTS.BASE_LOCK_MS,
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maxLockMs = CONFIG.AUTH.LOGIN_ATTEMPTS.MAX_LOCK_MS,
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now = Date.now,
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} = {}) {
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const pogingen = new Map();
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const wachttijd = (missers) => {
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if (missers <= free) return 0;
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return Math.min(maxLockMs, baseLockMs * 2 ** (missers - free - 1));
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};
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return {
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retryAfterMs(adres) {
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const staat = pogingen.get(adres);
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if (!staat) return 0;
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const over = staat.laatste + wachttijd(staat.missers) - now();
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if (over <= 0) {
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if (over < -maxLockMs) pogingen.delete(adres);
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return 0;
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}
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return over;
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},
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fail(adres) {
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const staat = pogingen.get(adres) || { missers: 0, laatste: 0 };
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staat.missers += 1;
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staat.laatste = now();
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pogingen.set(adres, staat);
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return wachttijd(staat.missers);
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},
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succeed(adres) {
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pogingen.delete(adres);
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},
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size() {
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return pogingen.size;
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},
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};
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}
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