CensorField censors a field in a JSON string by replacing everything after the first three characters with asterisks

gistfile1.txt

package main

import (
    "encoding/json"
    "fmt"
    "strings"
)

// CensorField censors a field in a JSON string by replacing everything after the first three characters with asterisks
func CensorField(jsonStr string, field string) (string, error) {
    // Convert JSON string to map
    var jsonMap map[string]string
    err := json.Unmarshal([]byte(jsonStr), &jsonMap)
    if err != nil {
        return "", err
    }

    // Censor specified field by replacing everything after the first three characters with asterisks
    jsonMap[field] = strings.Replace(jsonMap[field], jsonMap[field][3:], "***", -1)

    // Convert map back to JSON string
    censoredJSON, err := json.Marshal(jsonMap)
    if err != nil {
        return "", err
    }

    return string(censoredJSON), nil
}

func main() {
    // Sample JSON string
    jsonStr := {
        "name": "John Doe",
        "email": "[email protected]",
        "password": "secret123"
    }

    // Censor password field
    censoredJSON, err := CensorField(jsonStr, "password")
    if err != nil {
        fmt.Println(err)
        return
    }

    // Print censored JSON string
    fmt.Println(censoredJSON)
}

gistfile2.txt

// Sample JSON string
jsonStr := {
    "name": "John Doe",
    "email": "[email protected]",
    "password": "secret123"
}

// Censor password field
censoredJSON, err := CensorField(jsonStr, "password")
if err != nil {
    fmt.Println(err)
    return
}

// Print censored JSON string
fmt.Println(censoredJSON)