private boolean updateJwtSettings()

in streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/setup/StreamPipesEnvChecker.java [80:132]
50 lines of code
14 McCabe index (conditional complexity)

  private boolean updateJwtSettings() {
    LocalAuthConfig localAuthConfig = coreConfig.getLocalAuthConfig();
    boolean incompleteConfig = false;
    var signingMode = env.getJwtSigningMode();
    var jwtSecret = env.getJwtSecret();
    var publicKeyLoc = env.getJwtPublicKeyLoc();
    var privateKeyLoc = env.getJwtPrivateKeyLoc();

    if (signingMode.exists()) {
      localAuthConfig.setJwtSigningMode(JwtSigningMode.valueOf(signingMode.getValue()));
    } else {
      if (localAuthConfig.getJwtSigningMode() != JwtSigningMode.HMAC) {
        localAuthConfig.setJwtSigningMode(JwtSigningMode.HMAC);
      }
    }

    if (jwtSecret.exists()) {
      localAuthConfig.setTokenSecret(jwtSecret.getValue());
    }
    if (publicKeyLoc.exists()) {
      try {
        localAuthConfig.setPublicKey(readPublicKey(publicKeyLoc.getValue()));
      } catch (IOException e) {
        incompleteConfig = true;
        LOG.warn("Could not read public key at location " + publicKeyLoc.getValue());
      }
    }

    if (!signingMode.exists()) {
      LOG.info(
          "No JWT signing mode provided (using default settings), "
              + "consult the docs to learn how to provide JWT settings");
    } else if (localAuthConfig.getJwtSigningMode() == JwtSigningMode.HMAC && !jwtSecret.exists()) {
      LOG.warn(
          "JWT signing mode set to HMAC but no secret provided (falling back to auto-generated secret), "
              + "provide a {} variable",
          jwtSecret.getEnvVariableName());
    } else if (localAuthConfig.getJwtSigningMode() == JwtSigningMode.RSA
        && ((!publicKeyLoc.exists() || !privateKeyLoc.exists()) || incompleteConfig)) {
      LOG.warn(
          "JWT signing mode set to RSA but no public or private key location provided, "
              + "do you provide {} and {} variables?",
          privateKeyLoc.getEnvVariableName(),
          publicKeyLoc.getEnvVariableName());
    }
    if (!incompleteConfig) {
      LOG.info("Updating local auth config with signing mode {}", localAuthConfig.getJwtSigningMode().name());
      coreConfig.setLocalAuthConfig(localAuthConfig);
      return true;
    } else {
      return false;
    }
  }