93 lines
2.7 KiB
TypeScript
93 lines
2.7 KiB
TypeScript
import { NextFunction, Request, Response } from "express";
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import { Client } from "@elastic/elasticsearch";
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import permission from "../interfaces/permission";
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if (!process.env.ELASTICSEARCH_INDEX) {
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throw new Error("Require ELASTICSEARCH_INDEX to store log.");
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}
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const ELASTICSEARCH_INDEX = process.env.ELASTICSEARCH_INDEX;
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const LOG_LEVEL_MAP: Record<string, number> = {
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debug: 4,
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info: 3,
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warning: 2,
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error: 1,
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none: 0,
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};
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const elasticsearch = new Client({
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node: `${process.env.ELASTICSEARCH_PROTOCOL}://${process.env.ELASTICSEARCH_HOST}:${process.env.ELASTICSEARCH_PORT}`,
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});
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async function logMiddleware(req: Request, res: Response, next: NextFunction) {
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if (!req.url.startsWith("/api/")) return next();
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let data: any;
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const originalJson = res.json;
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res.json = function (v: any) {
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data = v;
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return originalJson.call(this, v);
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};
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const timestamp = new Date().toISOString();
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const start = performance.now();
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req.app.locals.logData = {};
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res.on("finish", async () => {
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try {
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if (!req.url.startsWith("/api/")) return;
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const level = LOG_LEVEL_MAP[process.env.LOG_LEVEL ?? "debug"] || 4;
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if (level === 1 && res.statusCode < 500) return;
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if (level === 2 && res.statusCode < 400) return;
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if (level === 3 && res.statusCode < 200) return;
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// const token = req.headers["authorization"];
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// let rootId = null;
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// try {
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// rootId = token
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// ? await new permission().checkRootDna(token, req.app.locals.logData.userId)
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// : null;
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// } catch (err) {
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// console.warn("Error fetching rootId:", err);
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// }
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// Get rootId from token
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const rootId = req.app.locals.logData?.orgRootDnaId;
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const obj = {
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logType: res.statusCode >= 500 ? "error" : res.statusCode >= 400 ? "warning" : "info",
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ip: req.ip,
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rootId: rootId ?? null,
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systemName: "KPI",
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startTimeStamp: timestamp,
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endTimeStamp: new Date().toISOString(),
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processTime: performance.now() - start,
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host: req.hostname,
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method: req.method,
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endpoint: req.url,
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responseCode: String(res.statusCode === 304 ? 200 : res.statusCode),
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responseDescription: data?.message,
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input: level === 4 ? JSON.stringify(req.body, null, 2) : undefined,
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output: level === 4 ? JSON.stringify(data, null, 2) : undefined,
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...req.app.locals.logData,
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};
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// Send log to Elasticsearch
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await elasticsearch.index({
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index: ELASTICSEARCH_INDEX,
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document: obj,
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});
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} catch (err) {
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console.error("Error in logMiddleware:", err);
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}
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});
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return next();
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}
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export default logMiddleware;
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