Files
UmlautAdaptarr/UmlautAdaptarr/Utilities/ApiKeyMaskingEnricher.cs

70 lines
2.0 KiB
C#

using System.Collections;
using System.Text.RegularExpressions;
using Serilog.Core;
using Serilog.Events;
namespace UmlautAdaptarr.Utilities;
public class ApiKeyMaskingEnricher : ILogEventEnricher
{
private readonly List<string> apiKeys = new();
public ApiKeyMaskingEnricher(string appsetting)
{
ExtractApiKeysFromAppSettings(appsetting);
ExtractApiKeysFromEnvironmentVariables();
apiKeys = new List<string>(apiKeys.Distinct());
}
public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory)
{
//if (logEvent.Properties.TryGetValue("apikey", out var value) && value is ScalarValue scalarValue)
//{
var maskedValue = new ScalarValue("**Hidden Api Key**");
foreach (var apikey in apiKeys) logEvent.AddOrUpdateProperty(new LogEventProperty(apikey, maskedValue));
// }
}
/// <summary>
/// Scan all Env Variabels for known Apikeys
/// </summary>
/// <returns>List of all Apikeys</returns>
public List<string> ExtractApiKeysFromEnvironmentVariables()
{
var envVariables = Environment.GetEnvironmentVariables();
foreach (DictionaryEntry envVariable in envVariables)
if (envVariable.Key.ToString()!.Contains("ApiKey"))
apiKeys.Add(envVariable.Value.ToString());
return apiKeys;
}
public List<string> ExtractApiKeysFromAppSettings(string filePath)
{
try
{
if (File.Exists(filePath))
{
var fileContent = File.ReadAllText(filePath);
var pattern = "\"ApiKey\": \"(.*?)\"";
var regex = new Regex(pattern);
var matches = regex.Matches(fileContent);
foreach (Match match in matches) apiKeys.Add(match.Groups[1].Value);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return apiKeys;
}
}