81 lines
2.1 KiB
TypeScript
81 lines
2.1 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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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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let token: any
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token = req.headers["authorization"]
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const rootId = await new permission().checkOrg(token, req.app.locals.logData.userId)
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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 ? rootId.orgRootId : null,
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systemName: "probation",
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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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elasticsearch.index({
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index: ELASTICSEARCH_INDEX,
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document: obj,
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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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