content: /*
   * Copyright (c) 2010-2019 Nathan Rajlich
   *
   *  Permission is hereby granted, free of charge, to any person
   *  obtaining a copy of this software and associated documentation
   *  files (the "Software"), to deal in the Software without
   *  restriction, including without limitation the rights to use,
   *  copy, modify, merge, publish, distribute, sublicense, and/or sell
   *  copies of the Software, and to permit persons to whom the
   *  Software is furnished to do so, subject to the following
   *  conditions:
   *
   *  The above copyright notice and this permission notice shall be
   *  included in all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   *  OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package com.alibaba.gaiax.studio.third.socket.java_websocket.server;
  
  import androidx.annotation.Keep;
  
  import com.alibaba.gaiax.studio.third.socket.java_websocket.SSLSocketChannel2;
  
  import java.io.IOException;
  import java.nio.channels.ByteChannel;
  import java.nio.channels.SelectionKey;
  import java.nio.channels.SocketChannel;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  
  import javax.net.ssl.SSLContext;
  import javax.net.ssl.SSLEngine;
  
  /**
   * WebSocketFactory that can be configured to only support specific protocols and cipher suites.
   */
  @Keep
  public class CustomSSLWebSocketServerFactory extends DefaultSSLWebSocketServerFactory {
  
      /**
       * The enabled protocols saved as a String array
       */
      private final String[] enabledProtocols;
  
      /**
       * The enabled ciphersuites saved as a String array
       */
      private final String[] enabledCiphersuites;
  
      /**
       * New CustomSSLWebSocketServerFactory configured to only support given protocols and given cipher suites.
       *
       * @param sslContext          - can not be <code>null</code>
       * @param enabledProtocols    - only these protocols are enabled, when <code>null</code> default settings will be used.
       * @param enabledCiphersuites - only these cipher suites are enabled, when <code>null</code> default settings will be used.
       */
      public CustomSSLWebSocketServerFactory(SSLContext sslContext, String[] enabledProtocols, String[] enabledCiphersuites) {
          this(sslContext, Executors.newSingleThreadScheduledExecutor(), enabledProtocols, enabledCiphersuites);
      }
  
      /**
       * New CustomSSLWebSocketServerFactory configured to only support given protocols and given cipher suites.
       *
       * @param sslContext          - can not be <code>null</code>
       * @param executerService     - can not be <code>null</code>
       * @param enabledProtocols    - only these protocols are enabled, when <code>null</code> default settings will be used.
       * @param enabledCiphersuites - only these cipher suites are enabled, when <code>null</code> default settings will be used.
       */
      public CustomSSLWebSocketServerFactory(SSLContext sslContext, ExecutorService executerService, String[] enabledProtocols, String[] enabledCiphersuites) {
          super(sslContext, executerService);
          this.enabledProtocols = enabledProtocols;
          this.enabledCiphersuites = enabledCiphersuites;
      }
  
      @Override
      public ByteChannel wrapChannel(SocketChannel channel, SelectionKey key) throws IOException {
          SSLEngine e = sslcontext.createSSLEngine();
          if (enabledProtocols != null) {
              e.setEnabledProtocols(enabledProtocols);
          }
          if (enabledCiphersuites != null) {
              e.setEnabledCipherSuites(enabledCiphersuites);
          }
          e.setUseClientMode(false);
          return new SSLSocketChannel2(channel, e, exec, key);
      }
  
  }