/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  package org.waarp.gateway.ftp.adminssl;
  
  import io.netty.channel.ChannelInitializer;
  import io.netty.channel.ChannelPipeline;
  import io.netty.channel.socket.SocketChannel;
  import io.netty.handler.codec.http.HttpContentCompressor;
  import io.netty.handler.codec.http.HttpObjectAggregator;
  import io.netty.handler.codec.http.HttpServerCodec;
  import io.netty.handler.ssl.SslHandler;
  import io.netty.handler.stream.ChunkedWriteHandler;
  import org.waarp.common.crypto.ssl.WaarpSecureKeyStore;
  import org.waarp.common.crypto.ssl.WaarpSslContextFactory;
  import org.waarp.gateway.ftp.config.FileBasedConfiguration;
  
  /**
   *
   */
  public class HttpSslInitializer extends ChannelInitializer<SocketChannel> {
    public static WaarpSslContextFactory waarpSslContextFactory;
    public static WaarpSecureKeyStore waarpSecureKeyStore;
    private final boolean useHttpCompression;
  
    public HttpSslInitializer(final boolean useHttpCompression) {
      this.useHttpCompression = useHttpCompression;
    }
  
    @Override
    protected void initChannel(final SocketChannel ch) {
      final ChannelPipeline pipeline = ch.pipeline();
      // Add SSL handler first to encrypt and decrypt everything.
      final SslHandler sslhandler =
          waarpSslContextFactory.createHandlerServer(false, ch);
      pipeline.addLast("ssl", sslhandler);
  
      pipeline.addLast("codec", new HttpServerCodec());
      pipeline.addLast("aggregator", new HttpObjectAggregator(
          FileBasedConfiguration.fileBasedConfiguration.getMaxGlobalMemory()));
      pipeline.addLast("streamer", new ChunkedWriteHandler());
      if (useHttpCompression) {
        pipeline.addLast("deflater", new HttpContentCompressor());
      }
      pipeline.addLast(
          FileBasedConfiguration.fileBasedConfiguration.getHttpPipelineExecutor(),
          "handler", new HttpSslHandler());
    }
  }