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import { Redis } from "ioredis";
import { RateLimiterRedis } from "rate-limiter-flexible";
const REDIS_URL: string | undefined = process.env.REDIS_URL;
let redis: Redis;
let rateLimiterRedis: RateLimiterRedis;
let rateLimitStrict: RateLimiterRedis;
let rateSuperStrict: RateLimiterRedis;
if (REDIS_URL) {
redis = new Redis(REDIS_URL);
redis.on("error", (err: Error) => {
console.error("Redis error: ", err);
});
const opt = {
storeClient: redis,
keyPrefix: "rateLimit",
points: 50,
duration: 1,
};
const optStrict = {
storeClient: redis,
keyPrefix: "rateLimitStrict",
points: 20,
duration: 1,
};
const optSuperStrict = {
storeClient: redis,
keyPrefix: "rateLimitSuperStrict",
points: 3,
// duration 10 minutes
duration: 10 * 60,
blockDuration: 10 * 60,
};
rateLimiterRedis = new RateLimiterRedis(opt);
rateLimitStrict = new RateLimiterRedis(optStrict);
rateSuperStrict = new RateLimiterRedis(optSuperStrict);
} else {
console.warn("REDIS_URL is not defined. Redis caching will be disabled.");
}
export { redis, rateLimiterRedis, rateLimitStrict, rateSuperStrict };
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