content: /*
   * Copyright 2023 Ant Group
   *
   * Licensed 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 com.alipay.antchain.bridge.commons.bcdns.utils;
  
  import java.security.PublicKey;
  
  import com.alipay.antchain.bridge.commons.core.base.ObjectIdentity;
  import com.alipay.antchain.bridge.commons.core.base.X509PubkeyInfoObjectIdentity;
  import com.alipay.antchain.bridge.commons.exception.AntChainBridgeCommonsException;
  import com.alipay.antchain.bridge.commons.exception.CommonsErrorCodeEnum;
  
  public class ObjectIdentityUtil {
  
      public static PublicKey getPublicKeyFromSubject(ObjectIdentity oid, byte[] rawSubject) {
          switch (oid.getType()) {
              case X509_PUBLIC_KEY_INFO:
                  return new X509PubkeyInfoObjectIdentity(oid).getPublicKey();
              case BID:
                  // TODO: Q : BID OID 应该放入did， BID Document 应该放到subject；获取公钥不应该给到OID接口
                  return BIDHelper.getPublicKeyFromBIDDocument(
                          BIDHelper.getBIDDocumentFromRawSubject(rawSubject)
                  );
              default:
                  throw new AntChainBridgeCommonsException(
                          CommonsErrorCodeEnum.BCDNS_OID_UNSUPPORTED_TYPE,
                          "unsupported oid type" + oid.getType().name()
                  );
          }
      }
  
      public static byte[] getRawPublicKeyFromSubject(ObjectIdentity oid, byte[] rawSubject) {
          switch (oid.getType()) {
              case X509_PUBLIC_KEY_INFO:
                  return new X509PubkeyInfoObjectIdentity(oid).getRawPublicKey();
              case BID:
                  return BIDHelper.getRawPublicKeyFromBIDDocument(
                          BIDHelper.getBIDDocumentFromRawSubject(rawSubject)
                  );
              default:
                  throw new AntChainBridgeCommonsException(
                          CommonsErrorCodeEnum.BCDNS_OID_UNSUPPORTED_TYPE,
                          "unsupported oid type" + oid.getType().name()
                  );
          }
      }
  }
  