std::string SaslUtil::ParseServiceName()

in src/hbase/connection/sasl-util.cc [75:92]

• 16 lines of code
• 5 McCabe index (conditional complexity)

std::string SaslUtil::ParseServiceName(std::shared_ptr<hbase::Configuration> conf, bool secure) {
  if (!secure) {
    return std::string();
  }
  std::string svrPrincipal = conf->Get(kServerPrincipalConfKey, "");
  // principal is of this form: hbase/23a03935850c@EXAMPLE.COM
  // where 23a03935850c is the host (optional)
  std::size_t pos = svrPrincipal.find("/");
  if (pos == std::string::npos && svrPrincipal.find("@") != std::string::npos) {
    pos = svrPrincipal.find("@");
  }
  if (pos == std::string::npos) {
    throw std::runtime_error("Couldn't retrieve service principal from conf");
  }
  VLOG(1) << "pos " << pos << " " << svrPrincipal;
  std::string service_name = svrPrincipal.substr(0, pos);
  return service_name;
}