Files
chatgpt-web/service/src/middleware/limiter.ts
xiaozhu e02ab1fbad feat: 新增限流功能 (#718)
* 请求速率限制

* perf: 优化代码

---------

Co-authored-by: ChenZhaoYu <790348264@qq.com>
2023-03-21 09:20:27 +08:00

20 lines
698 B
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
import { rateLimit } from 'express-rate-limit'
import { isNotEmptyString } from '../utils/is'
const MAX_REQUEST_PER_HOUR = process.env.MAX_REQUEST_PER_HOUR
const maxCount = (isNotEmptyString(MAX_REQUEST_PER_HOUR) && !isNaN(Number(MAX_REQUEST_PER_HOUR)))
? parseInt(MAX_REQUEST_PER_HOUR)
: 0 // 0 means unlimited
const limiter = rateLimit({
windowMs: 60 * 60 * 1000, // Maximum number of accesses within an hour
max: maxCount,
statusCode: 200, // 200 means successbut the message is 'Too many request from this IP in 1 hour'
message: async (req, res) => {
res.send({ status: 'Fail', message: 'Too many request from this IP in 1 hour', data: null })
},
})
export { limiter }