swaf/src/components/LogRequestsComponent.ts

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import ApplicationComponent from "../ApplicationComponent";
import onFinished from "on-finished";
import Logger from "../Logger";
import {Request, Response, Router} from "express";
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export default class LogRequestsComponent extends ApplicationComponent {
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private static fullRequests: boolean = false;
public static logFullHttpRequests() {
this.fullRequests = true;
Logger.info('Http requests will be logged with more details.');
}
public static logRequest(req: Request, res: Response, err: any = null, additionalStr: string = '', silent: boolean = false): string {
if (!LogRequestsComponent.fullRequests) {
let logStr = `${req.method} ${req.originalUrl} - ${res.statusCode}`;
if (err) {
if (silent) {
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logStr += ` ${err.errorCode} ${err.name}`;
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return Logger.silentError(err, logStr);
} else {
return Logger.error(err, logStr, additionalStr, err);
}
} else {
Logger.info(logStr);
}
} else {
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const requestObj = JSON.stringify({
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ip: req.ip,
host: req.hostname,
method: req.method,
url: req.originalUrl,
headers: req.headers,
query: req.query,
params: req.params,
body: req.body,
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files: req.files,
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cookies: req.cookies,
sessionId: req.sessionID,
result: {
code: res.statusCode
}
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}, null, 4);
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if (err) {
return Logger.error(err, requestObj, err);
} else {
Logger.info(requestObj);
}
}
return '';
}
public async init(router: Router): Promise<void> {
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router.use((req, res, next) => {
onFinished(res, (err) => {
if (!err) {
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LogRequestsComponent.logRequest(req, res);
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}
});
next();
});
}
}