Android Open Source - ICalSynch Easy S S L Socket Factory

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * EasySSLSocketFactory.java 765355 2009-04-15 20:59:07Z evenisse
 * /* ww  w  .j  a  va  2  s. c om*/
 * 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 at.general.solutions.android.ical.remote.ssl;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.scheme.LayeredSocketFactory;
import org.apache.http.conn.scheme.SocketFactory;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

/**
 * This socket factory will create ssl socket that accepts self signed
 * certificate
 * 
 * @author olamy
 * @version $Id: EasySSLSocketFactory.java 765355 2009-04-15 20:59:07Z evenisse
 *          $
 * @since 1.2.3
 */
public class EasySSLSocketFactory implements SocketFactory,
    LayeredSocketFactory {

  private SSLContext sslcontext = null;

  private static SSLContext createEasySSLContext() throws IOException {
    try {
      SSLContext context = SSLContext.getInstance("TLS");
      context.init(null, new TrustManager[] { new TrivialTrustManager() }, null);
      return context;
    } catch (Exception e) {
      throw new IOException(e.getMessage());
    }
  }

  private SSLContext getSSLContext() throws IOException {
    if (this.sslcontext == null) {
      this.sslcontext = createEasySSLContext();
    }
    return this.sslcontext;
  }

  /**
   * @see org.apache.http.conn.scheme.SocketFactory#connectSocket(java.net.Socket,
   *      java.lang.String, int, java.net.InetAddress, int,
   *      org.apache.http.params.HttpParams)
   */
  public Socket connectSocket(Socket sock, String host, int port,
      InetAddress localAddress, int localPort, HttpParams params)
      throws IOException, UnknownHostException, ConnectTimeoutException {
    int connTimeout = HttpConnectionParams.getConnectionTimeout(params);
    int soTimeout = HttpConnectionParams.getSoTimeout(params);

    InetSocketAddress remoteAddress = new InetSocketAddress(host, port);
    SSLSocket sslsock = (SSLSocket) ((sock != null) ? sock : createSocket());

    if ((localAddress != null) || (localPort > 0)) {
      // we need to bind explicitly
      if (localPort < 0) {
        localPort = 0; // indicates "any"
      }
      InetSocketAddress isa = new InetSocketAddress(localAddress,
          localPort);
      sslsock.bind(isa);
    }

    sslsock.connect(remoteAddress, connTimeout);
    sslsock.setSoTimeout(soTimeout);
    return sslsock;

  }

  /**
   * @see org.apache.http.conn.scheme.SocketFactory#createSocket()
   */
  public Socket createSocket() throws IOException {
    return getSSLContext().getSocketFactory().createSocket();
  }

  /**
   * @see org.apache.http.conn.scheme.SocketFactory#isSecure(java.net.Socket)
   */
  public boolean isSecure(Socket socket) throws IllegalArgumentException {
    return true;
  }

  /**
   * @see org.apache.http.conn.scheme.LayeredSocketFactory#createSocket(java.net.Socket,
   *      java.lang.String, int, boolean)
   */
  public Socket createSocket(Socket socket, String host, int port,
      boolean autoClose) throws IOException, UnknownHostException {
    return getSSLContext().getSocketFactory().createSocket();
  }

  // -------------------------------------------------------------------
  // javadoc in org.apache.http.conn.scheme.SocketFactory says :
  // Both Object.equals() and Object.hashCode() must be overridden
  // for the correct operation of some connection managers
  // -------------------------------------------------------------------

  public boolean equals(Object obj) {
    return ((obj != null) && obj.getClass().equals(
        EasySSLSocketFactory.class));
  }

  public int hashCode() {
    return EasySSLSocketFactory.class.hashCode();
  }
  


}

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