code: /*
   * 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.skywalking.oap.server.library.server.ssl;
  
  import io.netty.handler.ssl.SslContextBuilder;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.file.Paths;
  import javax.net.ssl.SSLException;
  
  public class HTTPDynamicSslContext extends AbstractSslContext {
  
      public static HTTPDynamicSslContext forServer(String privateKeyFile, String certChainFile) {
          return new HTTPDynamicSslContext(privateKeyFile, certChainFile);
      }
  
      public static HTTPDynamicSslContext forClient(String caFile) {
          return new HTTPDynamicSslContext(caFile);
      }
  
      protected HTTPDynamicSslContext(String privateKeyFile, String certChainFile) {
          super(privateKeyFile, certChainFile, null);
      }
  
      protected HTTPDynamicSslContext(String caFile) {
          super(caFile);
      }
  
      @Override
      protected void updateContext(String caFile) {
          try {
              setCtx(SslContextBuilder.forClient().trustManager(Paths.get(caFile).toFile()).build());
          } catch (SSLException e) {
              throw new IllegalArgumentException(e);
          }
      }
  
      @Override
      protected void updateContext(final String privateKeyFile, final String certChainFile, final String trustedCAsFile) {
          try (InputStream cert = new FileInputStream(Paths.get(certChainFile).toFile());
               InputStream key = PrivateKeyUtil.loadDecryptionKey(privateKeyFile)) {
  
              setCtx(SslContextBuilder.forServer(cert, key).build());
          } catch (IOException e) {
              throw new IllegalArgumentException(e);
          }
      }
  }
  