Redacting still modifies original data

[azakero]

Version:

"pino": "^8.7.0",
"pino-pretty": "^9.1.1"

Hi. I'm not sure if this was fixed or not but I'm still facing the issue where redacting modifies the original data. Here is an example:

Redaction: ['.customer.name', '.customer.age', '*.customer.address'].

const data = {
  customer: {
    name: 'John',
    age: 23,
    address: '221B Baker Street'
  }
}

logger.info({ data }, 'Data');

console.log(data);

Output:

{
  customer: {
    name: '[Redacted]',
    age: '[Redacted]',
    address: '[Redacted]'
  }
}

Can someone please tell me if this was fixed and which version is it available from?

[mcollina]

Can you create a complete example? Thanks

[victorkirov]

Here's a full example. It's kinda weird.

This breaks:

import pino from "pino";

const data = {
  customer: {
    name: "John",
    age: 23,
    address: "221B Baker Street",
    things: [
      {
        name: "Phone",
      },
      {
        name: "Laptop",
      },
      "bloop",
    ],
  },
};

const logger = pino({
  redact: {
    paths: [
      "data.customer.things[*].name",
      "data.customer.things[*]", 
    ],
    censor: (value, path) => {
      if (path[path.length - 1] === "name") {
        return value.substring(0, 2) + "_REDACTED";
      }

      return "[REDACTED]";
    },
  },
});

logger.info({ data }, "Data");

console.log(JSON.stringify(data));
// {"customer":{"name":"John","age":23,"address":"221B Baker Street","things":[{"name":"Ph_REDACTED"},{"name":"La_REDACTED"},"bloop"]}}

If you swap the order of the redact definitions then all is good:

import pino from "pino";

const data = {
  customer: {
    name: "John",
    age: 23,
    address: "221B Baker Street",
    things: [
      {
        name: "Phone",
      },
      {
        name: "Laptop",
      },
      "bloop",
    ],
  },
};

const logger = pino({
  redact: {
    paths: [
      "data.customer.things[*]", 
      "data.customer.things[*].name",
    ],
    censor: (value, path) => {
      if (path[path.length - 1] === "name") {
        return value.substring(0, 2) + "_REDACTED";
      }

      return "[REDACTED]";
    },
  },
});

logger.info({ data }, "Data");

console.log(JSON.stringify(data));

// {"customer":{"name":"John","age":23,"address":"221B Baker Street","things":[{"name":"Phone"},{"name":"Laptop"},"bloop"]}}

In both cases, the log output is:
{"level":30,"time":1732883164360,"pid":94514,"hostname":"host.local","data":{"customer":{"name":"John","age":23,"address":"221B Baker Street","things":["[REDACTED]","[REDACTED]","[REDACTED]"]}},"msg":"Data"}