On Mon, Feb 22, 2010 at 5:02 PM, Christopher Hegarty - Sun Microsystems Ireland <christopher.hega...@sun.com> wrote: > Hi Damjan,
Hi Christopher > Actually, I did some work on this back in 2006 (!), but never finished it. I > brought the changes into a mercurial repository and created a webrev: > > http://cr.openjdk.java.net/~chegar/6370908/webrev.00/webrev/ Thank you, I'll start from there. > Basically, this change provides the basic functionality, without any frills, > authentication, etc. I think for tunneling sockets through a HTTP proxy it > should be sufficient. Do you require authentication in your environment? I don't require any proxy in my environment :-), but many others out there do. > To have authentication supported we would need to restructure the HTTP > protocol handler in sun.net.www.protocol.http.HttpURLConnection, so that we > can take advantage of the authentication schemes it already supports. Not a > big deal, just needs to be done. Then I'll try to get it done. > -Chris. Thank you Damjan Jovanovic > On 21/02/2010 13:09, Damjan Jovanovic wrote: >> >> Hi >> >>> From http://bugs.sun.com/view_bug.do?bug_id=6370908 >> >> This RFE is basically about getting a TCP socket to tunnel through an >> HTTP proxy using the HTTP CONNECT request. >> >> I've found a hack to get this feature to work, using sun.net.* >> packages and lots of reflection. Would it be acceptable to use this >> solution (with some way to change socket identity) in a patch that >> adds a java.net.HttpSocketImpl class similar to the >> java.net.SocksSocketImpl class that's already used to tunnel through >> SOCKS proxies? If not, in what other way should such a patch be done? >> >> Thank you >> Damjan Jovanovic >> >> import java.net.*; >> import java.io.*; >> import java.lang.reflect.*; >> >> public class TunnelProxy { >> private static Socket connectThroughHTTPProxy(String proxyHost, int >> proxyPort, String destinationHost, int destinationPort) throws >> Exception >> { >> URL destinationURL = new URL("http://"; + destinationHost + >> ":" + >> destinationPort); >> sun.net.www.protocol.http.HttpURLConnection conn = >> new sun.net.www.protocol.http.HttpURLConnection( >> destinationURL, new >> java.net.Proxy(java.net.Proxy.Type.HTTP, new >> InetSocketAddress(proxyHost, proxyPort))); >> conn.setDoInput(true); >> conn.setDoOutput(true); >> conn.connect(); >> conn.doTunneling(); >> Field httpField = conn.getClass().getDeclaredField("http"); >> httpField.setAccessible(true); >> sun.net.www.http.HttpClient httpClient = >> (sun.net.www.http.HttpClient) httpField.get(conn); >> Field serverSocketField = >> sun.net.NetworkClient.class.getDeclaredField("serverSocket"); >> serverSocketField.setAccessible(true); >> Socket socket = (Socket) serverSocketField.get(httpClient); >> return socket; >> } >> >> public static void main(String[] args) throws Exception { >> System.setProperty("java.net.useSystemProxies", "true"); >> InputStream in = connectThroughHTTPProxy(args[0], >> Integer.parseInt(args[1]), args[2], >> Integer.parseInt(args[3])).getInputStream(); >> byte[] bytes = new byte[1024]; >> int bytesRead; >> while ((bytesRead = in.read(bytes)) != -1) { >> System.out.print(new String(bytes)); >> } >> } >> } >
