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//
// Copyright (C) 2002 Constantin Kaplinsky, Inc. All Rights Reserved.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this software; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
//
// HTTPConnectSocket.java together with HTTPConnectSocketFactory.java
// implement an alternate way to connect to VNC servers via one or two
// HTTP proxies supporting the HTTP CONNECT method.
//
package com.tigervnc.vncviewer;
import java.net.*;
import java.io.*;
class HTTPConnectSocket extends Socket {
public HTTPConnectSocket(String host, int port,
String proxyHost, int proxyPort)
throws IOException {
// Connect to the specified HTTP proxy
super(proxyHost, proxyPort);
// Send the CONNECT request
getOutputStream().write(("CONNECT " + host + ":" + port +
" HTTP/1.0\r\n\r\n").getBytes());
// Read the first line of the response
DataInputStream is = new DataInputStream(getInputStream());
String str = is.readLine();
// Check the HTTP error code -- it should be "200" on success
if (!str.startsWith("HTTP/1.0 200 ")) {
if (str.startsWith("HTTP/1.0 "))
str = str.substring(9);
throw new IOException("Proxy reports \"" + str + "\"");
}
// Success -- skip remaining HTTP headers
do {
str = is.readLine();
} while (str.length() != 0);
}
}
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