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Commons Net example source code file (FTPHTTPClient.java)
The Commons Net FTPHTTPClient.java source code/* * 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.commons.net.ftp; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.Socket; import java.net.SocketException; import java.util.ArrayList; import java.util.List; import org.apache.commons.net.util.Base64; /** * Experimental attempt at FTP client that tunnels over an HTTP proxy connection. * * @author rory * @since 2.2 */ public class FTPHTTPClient extends FTPClient { private final String proxyHost; private final int proxyPort; private final String proxyUsername; private final String proxyPassword; private String host; private int port; private final byte[] CRLF; private final Base64 base64 = new Base64(); public FTPHTTPClient(String proxyHost, int proxyPort, String proxyUser, String proxyPass) { this.proxyHost = proxyHost; this.proxyPort = proxyPort; this.proxyUsername = proxyUser; this.proxyPassword = proxyPass; try { CRLF = "\r\n".getBytes(getControlEncoding()); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); } } public FTPHTTPClient(String proxyHost, int proxyPort) { this(proxyHost, proxyPort, null, null); } @Override protected Socket _openDataConnection_(int command, String arg) throws IOException { Socket socket = new Socket(host, port); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); tunnelHandshake(host, port, is, os); return socket; } @Override public void connect(String host, int port) throws SocketException, IOException { this.host = host; this.port = port; _socket_ = new Socket(proxyHost, proxyPort); _input_ = _socket_.getInputStream(); _output_ = _socket_.getOutputStream(); try { tunnelHandshake(host, port, _input_, _output_); } catch (Exception e) { IOException ioe = new IOException("Could not connect to " + host); ioe.initCause(e); throw ioe; } } private void tunnelHandshake(String host, int port, InputStream input, OutputStream output) throws IOException, UnsupportedEncodingException { final String connectString = "CONNECT " + host + ":" + port + " HTTP/1.1"; _output_.write(connectString.getBytes(getControlEncoding())); _output_.write(CRLF); if (proxyUsername != null && proxyPassword != null) { final String header = "Proxy-Authorization: Basic " + base64.encode(proxyUsername + ":" + proxyPassword) + "\r\n"; _output_.write(header.getBytes("UTF-8")); _output_.write(CRLF); List<String> response = new ArrayList Other Commons Net examples (source code examples)Here is a short list of links related to this Commons Net FTPHTTPClient.java source code file: |
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