43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
// Simple in-memory rate limiting
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const submissions: Record<string, number> = {};
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const RATE_LIMIT_WINDOW = 60 * 60 * 1000; // 1 hour
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const MAX_SUBMISSIONS_PER_WINDOW = 3;
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export async function rateLimit(
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identifier: string,
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windowMs = RATE_LIMIT_WINDOW,
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maxSubmissions = MAX_SUBMISSIONS_PER_WINDOW,
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) {
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const now = Date.now();
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// Clean up old submissions
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Object.keys(submissions).forEach((key) => {
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if (now - submissions[key] > windowMs) {
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delete submissions[key];
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}
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});
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// Check if identifier has exceeded submission limit
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const currentSubmissions = Object.values(submissions).filter(
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(timestamp) => now - timestamp <= windowMs,
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);
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if (currentSubmissions.length >= maxSubmissions) {
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throw new Error("Too many submissions. Please try again later.");
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}
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// Record this submission
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submissions[identifier] = now;
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}
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export const languages = ["en", "de"] as const;
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export type Lang = (typeof languages)[number];
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export function isValidLang(lang: string): lang is Lang {
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return (languages as readonly string[]).includes(lang);
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}
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export * from "./i18n";
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export * from "./env";
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export * from "./directus";
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