How to use

sha1Hash

method

in

org.stagemonitor.util.StringUtils

private void setTrackingInformation(Span span, HttpServletRequest httpServletRequest, String clientIp, String userAgenHeader) {
  final String userName = getUserName(httpServletRequest);
  final String sessionId = getSessionId(httpServletRequest);
  span.setTag(SpanUtils.USERNAME, userName);
  span.setTag("session_id", sessionId);
  if (userName != null) {
    span.setTag("tracking.unique_visitor_id", StringUtils.sha1Hash(userName));
  } else {
    span.setTag("tracking.unique_visitor_id", StringUtils.sha1Hash(clientIp + sessionId + userAgenHeader));
  }
  SpanUtils.setClientIp(span, clientIp);
}

  @Test
  public void testSha1Hash() throws Exception {
    // result from org.apache.commons.codec.digest.DigestUtils.sha1Hex
    assertEquals("a94a8fe5ccb19ba61c4c0873d391e987982fbbd3", StringUtils.sha1Hash("test"));
  }
}

@Override
public void onFinish(SpanWrapper spanWrapper, String operationName, long durationNanos) {
  final boolean pseudonymizeUserNames = tracingPlugin.isPseudonymizeUserNames();
  final boolean anonymizeIPs = tracingPlugin.isAnonymizeIPs();
  if (!anonymizeIPs && !pseudonymizeUserNames) {
    return;
  }
  final String username = spanWrapper.getStringTag(SpanUtils.USERNAME);
  String hashedUserName = username;
  if (pseudonymizeUserNames) {
    hashedUserName = StringUtils.sha1Hash(username);
    spanWrapper.setTag(SpanUtils.USERNAME, hashedUserName);
  }
  final boolean disclose = tracingPlugin.getDiscloseUsers().contains(hashedUserName);
  if (disclose) {
    spanWrapper.setTag("username_disclosed", username);
  }
  if (anonymizeIPs && !disclose) {
    final String ipV6Address = spanWrapper.getStringTag(Tags.PEER_HOST_IPV6.getKey());
    final Number ipV4Address = spanWrapper.getNumberTag(Tags.PEER_HOST_IPV4.getKey());
    if (ipV6Address != null) {
      Tags.PEER_HOST_IPV6.set(spanWrapper, IPAnonymizationUtils.anonymize(ipV6Address));
    } else if (ipV4Address != null) {
      final Inet4Address anonymizedIp = IPAnonymizationUtils.anonymizeIpV4Address(InetAddresses.fromInteger(ipV4Address.intValue()));
      Tags.PEER_HOST_IPV4.set(spanWrapper, InetAddresses.inetAddressToInt(anonymizedIp));
    }
  }
}