Mask confidential data in Node.js analytics

The setAnalyticsMask function allows you to modify the request/response headers, body, or query parameters before they are sent to Atatus. You can utilize this function to make alterations such as removing specific header or body fields. It will give you the flexibility to customize the request data that is ultimately sent to Atatus.

Compatibility

Requires Node.js agent version 1.6.1 or higher.

Syntax

atatus.setAnalyticsMask(fn)

Parameter

Parameter	Type	Description
fn	Function (Required)	Mask any field in analytics payload.

Example

copy

import atatus from "atatus-nodejs";

atatus.setAnalyticsMask((event) => {
  event.responseHeaders['x-powered-by'] = '';

  try {
    if (event.name === 'POST /login') {
      if (event.requestBody) {
        let requestBody = JSON.parse(event.requestBody);
        if (requestBody.password) {
          requestBody.password = '****';
        }
        event.requestBody = JSON.stringify(requestBody);
      }
    }

    if (event.name === 'GET /api/token') {
      if (event.responseBody) {
        let responseBody = JSON.parse(event.responseBody);
        if (responseBody.token) {
          responseBody.token = '****';
        }
        event.responseBody = JSON.stringify(responseBody);
      }
    }

  } catch (e) {
    console.error('Error in mask event ', e)
  }
});