// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#include "common/kerberos/kerberos_config.h"

#include <filesystem>

#include "common/config.h"

#include "util/md5.h"

namespace doris::kerberos {

KerberosConfig::KerberosConfig()

        : _refresh_interval_second(3600), _min_time_before_refresh_second(600) {}

std::string KerberosConfig::get_hash_code(const std::string& principal, const std::string& keytab) {

    return _get_hash_code(principal, keytab);

}

std::string KerberosConfig::_get_hash_code(const std::string& principal,

                                           const std::string& keytab) {

    // use md5(principal + keytab) as hash code

    // so that same (principal + keytab) will have same name.

    std::string combined = principal + keytab;

    Md5Digest digest;

    digest.update(combined.c_str(), combined.length());

    digest.digest();

    return digest.hex();

}

} // namespace doris::kerberos