Java tutorial
/* * $HeadURL$ * $Revision$ * $Date$ * * ==================================================================== * * 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/>. * */ package processing.app.debug; import org.apache.commons.httpclient.ConnectTimeoutException; import org.apache.commons.httpclient.HttpClientError; import org.apache.commons.httpclient.params.HttpConnectionParams; import org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.net.SocketFactory; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocket; import javax.net.ssl.TrustManager; import java.io.IOException; import java.net.*; /** * <p> * EasySSLProtocolSocketFactory can be used to creats SSL {@link Socket}s * that accept self-signed certificates. * </p> * <p> * This socket factory SHOULD NOT be used for productive systems * due to security reasons, unless it is a concious decision and * you are perfectly aware of security implications of accepting * self-signed certificates * </p> * <p/> * <p> * Example of using custom protocol socket factory for a specific host: * <pre> * Protocol easyhttps = new Protocol("https", new EasySSLProtocolSocketFactory(), 443); * * URI uri = new URI("https://localhost/", true); * // use relative url only * GetMethod httpget = new GetMethod(uri.getPathQuery()); * HostConfiguration hc = new HostConfiguration(); * hc.setHost(uri.getHost(), uri.getPort(), easyhttps); * HttpClient client = new HttpClient(); * client.executeMethod(hc, httpget); * </pre> * </p> * <p> * Example of using custom protocol socket factory per default instead of the standard one: * <pre> * Protocol easyhttps = new Protocol("https", new EasySSLProtocolSocketFactory(), 443); * Protocol.registerProtocol("https", easyhttps); * * HttpClient client = new HttpClient(); * GetMethod httpget = new GetMethod("https://localhost/"); * client.executeMethod(httpget); * </pre> * </p> * * @author <a href="mailto:oleg -at- ural.ru">Oleg Kalnichevski</a> * <p/> * <p> * DISCLAIMER: HttpClient developers DO NOT actively support this component. * The component is provided as a reference material, which may be inappropriate * for use without additional customization. * </p> */ public class EasySSLProtocolSocketFactory implements SecureProtocolSocketFactory { /** * Log object for this class. */ private static final Log LOG = LogFactory.getLog(EasySSLProtocolSocketFactory.class); public static final String[] SSL_PROTOCOLS = { "SSLv3", "TLSv1" }; public static final String[] SSL_CYPHER_SUITES = { "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", "TLS_RSA_WITH_AES_128_CBC_SHA", "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA", "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA", "TLS_DHE_RSA_WITH_AES_128_CBC_SHA", "TLS_DHE_DSS_WITH_AES_128_CBC_SHA", "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", "TLS_ECDHE_RSA_WITH_RC4_128_SHA", "SSL_RSA_WITH_RC4_128_SHA", "TLS_ECDH_ECDSA_WITH_RC4_128_SHA", "TLS_ECDH_RSA_WITH_RC4_128_SHA", "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA", "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", "SSL_RSA_WITH_3DES_EDE_CBC_SHA", "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA", "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA", "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA", "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA", "SSL_RSA_WITH_RC4_128_MD5", "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" }; private SSLContext sslcontext = null; /** * Constructor for EasySSLProtocolSocketFactory. */ public EasySSLProtocolSocketFactory() { super(); } private static SSLContext createEasySSLContext() { try { SSLContext context = SSLContext.getInstance("SSL"); context.init(null, new TrustManager[] { new EasyX509TrustManager(null) }, null); return context; } catch (Exception e) { LOG.error(e.getMessage(), e); throw new HttpClientError(e.toString()); } } private SSLContext getSSLContext() { if (this.sslcontext == null) { this.sslcontext = createEasySSLContext(); } return this.sslcontext; } /** * @see SecureProtocolSocketFactory#createSocket(java.lang.String, int, java.net.InetAddress, int) */ public Socket createSocket(String host, int port, InetAddress clientHost, int clientPort) throws IOException, UnknownHostException { Socket socket = getSSLContext().getSocketFactory().createSocket(host, port, clientHost, clientPort); return socket; } /** * Attempts to get a new socket connection to the given host within the given time limit. * <p> * To circumvent the limitations of older JREs that do not support connect timeout a * controller thread is executed. The controller thread attempts to create a new socket * within the given limit of time. If socket constructor does not return until the * timeout expires, the controller terminates and throws an {@link ConnectTimeoutException} * </p> * * @param host the host name/IP * @param port the port on the host * @param clientHost the local host name/IP to bind the socket to * @param clientPort the port on the local machine * @param params {@link HttpConnectionParams Http connection parameters} * @return Socket a new socket * @throws IOException if an I/O error occurs while creating the socket * @throws UnknownHostException if the IP address of the host cannot be * determined */ public Socket createSocket(final String host, final int port, final InetAddress localAddress, final int localPort, final HttpConnectionParams params) throws IOException, UnknownHostException, ConnectTimeoutException { if (params == null) { throw new IllegalArgumentException("Parameters may not be null"); } int timeout = params.getConnectionTimeout(); SocketFactory socketfactory = getSSLContext().getSocketFactory(); Socket socket; if (timeout == 0) { socket = socketfactory.createSocket(host, port, localAddress, localPort); } else { socket = socketfactory.createSocket(); SocketAddress localaddr = new InetSocketAddress(localAddress, localPort); SocketAddress remoteaddr = new InetSocketAddress(host, port); socket.bind(localaddr); socket.connect(remoteaddr, timeout); } SSLSocket sslSocket = (SSLSocket) socket; sslSocket.setEnabledProtocols(SSL_PROTOCOLS); sslSocket.setEnabledCipherSuites(SSL_CYPHER_SUITES); return socket; } /** * @see SecureProtocolSocketFactory#createSocket(java.lang.String, int) */ public Socket createSocket(String host, int port) throws IOException, UnknownHostException { return getSSLContext().getSocketFactory().createSocket(host, port); } /** * @see SecureProtocolSocketFactory#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(socket, host, port, autoClose); } public boolean equals(Object obj) { return ((obj != null) && obj.getClass().equals(EasySSLProtocolSocketFactory.class)); } public int hashCode() { return EasySSLProtocolSocketFactory.class.hashCode(); } }