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add API rate limiting and fix ambiguous regexp
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Original file line number | Diff line number | Diff line change |
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@@ -1,7 +1,27 @@ | ||
import { Request, Response } from "express"; | ||
import { rateLimit } from "express-rate-limit"; | ||
import { authMiddleware } from "./auth"; | ||
import { headerMiddleware } from "./headers"; | ||
import { loggingMiddleware } from "./logging"; | ||
import { STATUS_CODES, logResponse } from "../util"; | ||
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const code = 429; | ||
const statusMessage = `${code} ${STATUS_CODES[code]}`; | ||
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export default function getMiddleware() { | ||
return [loggingMiddleware, headerMiddleware, authMiddleware]; | ||
const limiter = rateLimit({ | ||
windowMs: 15 * 60 * 1000, // 15 mins | ||
limit: 100, // 100 requests per 15 mins | ||
standardHeaders: true, | ||
legacyHeaders: false, | ||
statusCode: code, | ||
message: (_req: Request, res: Response) => { | ||
logResponse(res, statusMessage); | ||
return { | ||
[statusMessage]: "You have sent too many requests recently. Try again later." | ||
}; | ||
}, | ||
}); | ||
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return [loggingMiddleware, limiter, headerMiddleware, authMiddleware]; | ||
} |
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