bool GetServiceAuthConfig()

in aws_common/src/sdk_utils/auth/service_credentials_provider.cpp [196:248]
47 lines of code
11 McCabe index (conditional complexity)

bool GetServiceAuthConfig(ServiceAuthConfig & config,
                          const std::shared_ptr<Aws::Client::ParameterReaderInterface>& parameters)
{
  bool failed = false;
  Aws::String cafile, certfile, keyfile, host, role, name;
  int connect_timeout_ms = DEFAULT_AUTH_CONNECT_TIMEOUT_MS;
  int total_timeout_ms = DEFAULT_AUTH_TOTAL_TIMEOUT_MS;

  std::map<std::string, std::string> data;
  if (parameters->ReadParam(Aws::Client::ParameterPath("iot"), data) != AWS_ERR_OK) {
    failed = true;
  } else {
    if (!GetConfigValue(data, CFG_CAFILE, cafile)) { failed = true; }
    if (!GetConfigValue(data, CFG_CERTFILE, certfile)) { failed = true; }
    if (!GetConfigValue(data, CFG_KEYFILE, keyfile)) { failed = true; }
    if (!GetConfigValue(data, CFG_ENDPOINT, host)) { failed = true; }
    if (!GetConfigValue(data, CFG_ROLE, role)) { failed = true; }
    if (!GetConfigValue(data, CFG_THING_NAME, name)) { failed = true; }

    if (!GetConfigValue(data, CFG_CONNECT_TIMEOUT_MS, connect_timeout_ms, true)) {
      AWS_LOG_INFO(AWS_LOG_TAG, "Could not find config value %s, using default %d",
                   CFG_CONNECT_TIMEOUT_MS, DEFAULT_AUTH_CONNECT_TIMEOUT_MS);
    }

    if (!GetConfigValue(data, CFG_TOTAL_TIMEOUT_MS, total_timeout_ms, true)) {
      AWS_LOG_INFO(AWS_LOG_TAG, "Could not find config value %s, using default %d",
                   CFG_TOTAL_TIMEOUT_MS, DEFAULT_AUTH_TOTAL_TIMEOUT_MS);
    }
  }

  if (!failed) {
    config.iot.cafile = cafile;
    config.iot.certfile = certfile;
    config.iot.keyfile = keyfile;
    config.iot.host = host;
    config.iot.role = role;
    config.iot.name = name;
    config.iot.connect_timeout_ms = connect_timeout_ms;
    config.iot.total_timeout_ms = total_timeout_ms;

    AWS_LOG_INFO(AWS_LOG_TAG,
                 "IoT provider config: ca=%s,cert=%s,key=%s,ep=%s,role=%s,thing_name=%s,"
                 "connect_timeout=%d,total_timeout=%d",
                 config.iot.cafile.c_str(), config.iot.certfile.c_str(), config.iot.keyfile.c_str(),
                 config.iot.host.c_str(), config.iot.role.c_str(), config.iot.name.c_str(),
                 config.iot.connect_timeout_ms, config.iot.total_timeout_ms);
    return true;
  }

  AWS_LOG_INFO(AWS_LOG_TAG,
               "Missing or incomplete 'iot' parameters, skipping IoT credential provider");
  return false;
}