package io.trygvis.esper.testing.util;

/*
 * ====================================================================
 *
 *  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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

import java.io.*;
import java.net.*;
import javax.net.ssl.*;
import org.apache.http.conn.*;
import org.apache.http.conn.scheme.*;
import org.apache.http.params.*;

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 EasyX509TrustManager(null)}, 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;
    }

    public Socket connectSocket(Socket sock, String host, int port, InetAddress localAddress, int localPort,
                                HttpParams params) throws IOException, ConnectTimeoutException {
        int connTimeout = HttpConnectionParams.getConnectionTimeout(params);
        int soTimeout = HttpConnectionParams.getSoTimeout(params);
        InetSocketAddress remoteAddress = new InetSocketAddress(host, port);
        SSLSocket sslSocket = (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);
            sslSocket.bind(isa);
        }

        sslSocket.connect(remoteAddress, connTimeout);
        sslSocket.setSoTimeout(soTimeout);

        return sslSocket;
    }

    public Socket createSocket() throws IOException {
        return getSSLContext().getSocketFactory().createSocket();
    }

    public boolean isSecure(Socket socket) throws IllegalArgumentException {
        return true;
    }

    public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException {
        return getSSLContext().getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    // -------------------------------------------------------------------
    // 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();
    }
}