/*
 * 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.
 */

package org.apache.kyuubi.service.authentication

import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager

import org.apache.kyuubi.config.KyuubiConf
import org.apache.kyuubi.config.KyuubiConf._

case class KyuubiDelegationTokenManager(
    keyUpdateInterval: Long,
    tokenMaxLifetime: Long,
    tokenRenewInterval: Long,
    tokenRemoverScanInterval: Long)
  extends AbstractDelegationTokenSecretManager[KyuubiDelegationTokenIdentifier](
    keyUpdateInterval, tokenMaxLifetime, tokenRenewInterval, tokenRemoverScanInterval) {
  override def createIdentifier(): KyuubiDelegationTokenIdentifier = {
    new KyuubiDelegationTokenIdentifier()
  }
}

object KyuubiDelegationTokenManager {

  def apply(conf: KyuubiConf): KyuubiDelegationTokenManager = {
    val keyUpdateInterval = conf.get(DELEGATION_KEY_UPDATE_INTERVAL)
    val tokenMaxLifetime = conf.get(DELEGATION_TOKEN_MAX_LIFETIME)
    val tokenRenewInterval = conf.get(DELEGATION_TOKEN_RENEW_INTERVAL)
    val tokenRemoverScanInterval = conf.get(DELEGATION_TOKEN_GC_INTERVAL)

    KyuubiDelegationTokenManager(
      keyUpdateInterval, tokenMaxLifetime, tokenRenewInterval, tokenRemoverScanInterval)
  }
}
