SpringBoot Actuator SanitizingFunction Arayüzü

Giriş
Şu satırı dahil ederiz 

import org.springframework.boot.actuate.endpoint.SanitizingFunction;

Örnek

Şöyle yaparız. "test.password" alanı * karakteri ile gizlenir

@Component
public class ActuatorSanitizer implements SanitizingFunction {

  private static final String[] REGEX_PARTS = {"*", "$", "^", "+"};
  private static final Set<String> DEFAULT_KEYS_TO_SANITIZE = 
    Set.of("password","secret");
  private final List<Pattern> keysToSanitize = new ArrayList<>();

  public ActuatorSanitizer(@Value("${management.endpoint.additionalKeysToSanitize:}")
    List<String> additionalKeys) {
    addKeysToSanitize(DEFAULT_KEYS_TO_SANITIZE);
    addKeysToSanitize(additionalKeys);
  }

  @Override
  public SanitizableData apply(SanitizableData data) {
    if (data.getValue() == null) {
      return data;
    }

    for (Pattern pattern : keysToSanitize) {
      if (pattern.matcher(data.getKey()).matches()) {
        return data.withValue(SanitizableData.SANITIZED_VALUE);
      }
     }
     return data;
  }

  private void addKeysToSanitize(Collection<String> keysToSanitize) {
    for (String key : keysToSanitize) {
      this.keysToSanitize.add(getPattern(key));
    }
  }

  private Pattern getPattern(String value) {
    if (isRegex(value)) {
      return Pattern.compile(value, Pattern.CASE_INSENSITIVE);
    }
    return Pattern.compile(".*" + value + "$", Pattern.CASE_INSENSITIVE);
  }

  private boolean isRegex(String value) {
    for (String part : REGEX_PARTS) {
      if (value.contains(part)) {
        return true;
      }
    }
    return false;
  }
}