content: /*
   * 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.camel.component.irc;
  
  import java.io.IOException;
  import java.net.SocketException;
  import java.security.GeneralSecurityException;
  
  import javax.net.ssl.SSLContext;
  import javax.net.ssl.SSLSocket;
  import javax.net.ssl.SSLSocketFactory;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.RuntimeCamelException;
  import org.apache.camel.support.jsse.SSLContextParameters;
  import org.schwering.irc.lib.ssl.SSLIRCConnection;
  import org.schwering.irc.lib.ssl.SSLNotSupportedException;
  
  /**
   * Customized version of {@link SSLIRCConnection} used to support the use of an {@link SSLContextParameters} instance
   * for JSSE configuration.
   */
  public class CamelSSLIRCConnection extends SSLIRCConnection {
  
      private SSLContextParameters sslContextParameters;
      private CamelContext camelContext;
  
      public CamelSSLIRCConnection(String host, int portMin, int portMax, String pass,
                                   String nick, String username, String realname,
                                   SSLContextParameters sslContextParameters) {
          super(host, portMin, portMax, pass, nick, username, realname);
          this.sslContextParameters = sslContextParameters;
      }
  
      public CamelSSLIRCConnection(String host, int[] ports, String pass,
                                   String nick, String username, String realname,
                                   SSLContextParameters sslContextParameters, CamelContext camelContext) {
          super(host, ports, pass, nick, username, realname);
          this.sslContextParameters = sslContextParameters;
          this.camelContext = camelContext;
      }
  
      @Override
      public void connect() throws IOException {
  
          if (sslContextParameters == null) {
              super.connect();
          } else {
              if (level != 0) {
                  throw new SocketException("Socket closed or already open (" + level + ")");
              }
  
              IOException exception = null;
  
              final SSLContext sslContext;
              try {
                  sslContext = sslContextParameters.createSSLContext(camelContext);
              } catch (GeneralSecurityException e) {
                  throw new RuntimeCamelException("Error in SSLContextParameters configuration or instantiation.", e);
              }
  
              final SSLSocketFactory sf = sslContext.getSocketFactory();
  
              SSLSocket s = null;
  
              for (int i = 0; i < ports.length && s == null; i++) {
                  try {
                      s = (SSLSocket) sf.createSocket(host, ports[i]);
                      s.startHandshake();
                      exception = null;
                  } catch (SSLNotSupportedException exc) {
                      if (s != null) {
                          s.close();
                      }
                      throw exc;
                  } catch (IOException exc) {
                      if (s != null) {
                          s.close();
                      }
                      s = null;
                      exception = exc;
                  }
              }
              if (exception != null) {
                  throw exception; // connection wasn't successful at any port
              }
  
              prepare(s);
          }
      }
  
      public SSLContextParameters getSslContextParameters() {
          return sslContextParameters;
      }
  
      public void setSslContextParameters(SSLContextParameters sslContextParameters) {
          this.sslContextParameters = sslContextParameters;
      }
  }
  