f080919563
Ensure `ip` parameter is explicitly cast to string before creating a SHA-256 hash to prevent runtime errors.
36 lines
1.0 KiB
TypeScript
36 lines
1.0 KiB
TypeScript
import { createHash } from "node:crypto";
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import { Injectable, Logger, NestMiddleware } from "@nestjs/common";
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import { NextFunction, Request, Response } from "express";
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@Injectable()
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export class HTTPLoggerMiddleware implements NestMiddleware {
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private readonly logger = new Logger("HTTP");
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use(request: Request, response: Response, next: NextFunction): void {
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const { method, originalUrl, ip } = request;
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const userAgent = request.get("user-agent") || "";
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const startTime = Date.now();
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response.on("finish", () => {
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const { statusCode } = response;
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const contentLength = response.get("content-length");
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const duration = Date.now() - startTime;
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const hashedIp = createHash("sha256").update(ip as string).digest("hex");
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const message = `${method} ${originalUrl} ${statusCode} ${contentLength || 0} - ${userAgent} ${hashedIp} +${duration}ms`;
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if (statusCode >= 500) {
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return this.logger.error(message);
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}
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if (statusCode >= 400) {
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return this.logger.warn(message);
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}
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return this.logger.log(message);
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});
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next();
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}
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}
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