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Merge pull request #12 from amandastecz/chore/security
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| import { NextFunction, Request, Response } from "express"; | ||
| import { RateLimiterRedis } from "rate-limiter-flexible"; | ||
| import { createClient } from "redis"; | ||
| import { AppError } from "../../../../shared/errors/AppError"; | ||
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| const redisClient = createClient({ | ||
| host: process.env.REDIS_HOST, | ||
| port: Number(process.env.REDIS_PORT), | ||
| }); | ||
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| redisClient.on("error", (err) => console.log("Redis Client Error", err)); | ||
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| const limiter = new RateLimiterRedis({ | ||
| storeClient: redisClient, | ||
| keyPrefix: "rateLimiter", | ||
| points: 10, // 5 requests | ||
| duration: 5, // per 5 seconds by IP | ||
| }); | ||
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| export default async function rateLimiter(request: Request, response: Response, next: NextFunction): Promise<void> { | ||
| try { | ||
| await limiter.consume(request.ip); | ||
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| return next(); | ||
| } catch (err) { | ||
| throw new AppError("Too many requests", 429); | ||
| } | ||
| } |
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