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Re: java client and ntlm proxy
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Re: java client and ntlm proxy


  • Subject: Re: java client and ntlm proxy
  • From: Aurélien Minet <email@hidden>
  • Date: Tue, 15 Mar 2011 00:22:23 +0100




On 03/14/2011 09:32 AM, Pierre Gilquin wrote:
Merci Aurélien.

De rien Pierre

the methode createSocket in the class extending EOHTTPChanel have to return a socket
I think Apache HttpClient would help to create one and handle proxy stuff
see http://svn.apache.org/repos/asf/httpcomponents/oac.hc3x/branches/HTTPCLIENT_3_0_BRANCH/src/examples/ProxyTunnelDemo.java

after Socket socket = response.getSocket();
you may have to add
socket.setTcpNoDelay(true);
socket.setSoTimeout(2147483647);

I also found that in NSSocketUtilities the creation of the socket was done in a internal class SocketThread which extends Thread

Aurélien

ps: cntlm would be necessary if an NTLM authentication is necessary , if not Java Client only have to connect to the proxy for accessing the application which behind it.


I have already try to extend EOHTTPChannel. Until now without success ...
It's why i try to use cntlm.

My last attempt is to use cntlm tunneling :
cntlm.exe -c cntlm.ini -v
cntlm: New tunnel from 127.0.0.1:11443 to host.domain.tld:80


In this case the launch don't use any http.proxy but directly the port 11443 on localhost:
java MyClassUsingEOClientApplicationSupport -applicationURL http://localhost:11443/cgi-bin/WebObjects/MyAppli.woa

I dont understand why this is not working ...

Thanks for any idea

Pierre

    ----- Original Message -----
    From: Aurélien Minet
    To: email@hidden <mailto:email@hidden> ; WebObjects (Group)
    Sent: Sunday, March 13, 2011 10:56 PM
    Subject: Re: java client and ntlm proxy


Hi

    Yes the socket is open directly, in fact stuff behind EOHTTPChannel (createSocket) doesn't take in account http.proxy*
    args cause finally use java.net.Socket and not java.net.URL, so Java Client can't connect to the application trough any
    HTTP proxy (NTML or not).
    A solution could be to override  NSSocketUtilities.getSocketWithTimeout or to extend
    com.webobjects.eodistribution.client.EOHTTPChannel with a class having a methode createSocket which return a Socket.
    We have got the same problem for Java Client connecting to the application using an https URL. A colleague make a POC
    with a class which extends EOHTTPChannel and use javax.net.ssl

    Aurelien

    ps : for command line launching
    java -classpath "jar list" com.webobjects.eoapplication.client.EOClientApplicationSupport
    -applicationURL http://host.domain.tld/cgi-bin/WebObjects/App.woa [other arguments]
    (prefer a .jnlp file for deployment)


On 03/08/2011 09:43 AM, Pierre Gilquin wrote: > Hi David, > > Starting the application with JWS or at command line gives the same result. > I guess that the socket is open directly (port 80) without going thru the proxy and that's why I get a timeout error. > > I dont get your idea, what can you check in the jnlp file ? > Thanks > > Pierre > > > > ----- Original Message ----- > *From:* David Avendasora <mailto:email@hidden> > *To:* Pierre Gilquin <mailto:email@hidden> > *Cc:* email@hidden <mailto:email@hidden> <mailto:email@hidden> > *Sent:* Monday, March 07, 2011 8:26 PM > *Subject:* Re: java client and ntlm proxy > > Hi Pierre, > > Are you launching the application from a link that downloads a .jnlp file from the server? If so, look at it's > contents to be sure it is using the ports you think it is. > > Dave > > > On Mar 7, 2011, at 11:52 AM, Pierre Gilquin wrote: > >> Hi all, >> >> I am trying to use a java client inside a entreprise network using an ntml proxy with authentification for >> accessing the outside world. >> >> Seems that java cannot pass that kind of proxy. At least, I was not able to do it. >> So I try to use cntlm http://cntlm.sourceforge.net/ <x-msg://292/> before starting the java client : >> >> >cntlm.exe -c cntlm.ini -v >> cntlm: Proxy listening on 127.0.0.1:3128 >> cntlm: Resolving proxy TheBorringProxy ... >> cntlm: Workstation name used: localhost >> cntlm: Using following NTLM hashes: NTLMv2(1) NT(0) LM(0) >> cntlm: PID 980: Cntlm ready, staying in the foreground >> >> Then I start my java client : >> java -Dhttp.proxySet=true -Dhttp.proxyHost=127.0.0.1 -Dhttp.proxyPort=3128 MyClass >> -applicationURL http://www.externaldomain.com/cgi-bin/WebObjects/MyAppli.woa <x-msg://292/> >> >> But not better, the java client cannot create the socket : >> com.webobjects.foundation.NSForwardException for java.io.IOException: Timed out trying to create Socket >> at com.webobjects.foundation.NSSocketUtilities._getSocketWithTimeout(NSSocketUtilities.java:145) >> at com.webobjects.foundation.NSSocketUtilities.getSocketWithTimeout(NSSocketUtilities.java:100) >> at com.webobjects.foundation.NSSocketUtilities.getSocketWithTimeout(NSSocketUtilities.java:58) >> at com.webobjects.eodistribution.client.EOHTTPChannel.createSocket(EOHTTPChannel.java:401) >> >> Am I missing something ? May be I am wrong about the way i start my java client ? >> >> Thanks for any idea. >> >> Pierre > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (email@hidden <mailto:email@hidden>) > Help/Unsubscribe/Update your Subscription: > > This email sent to email@hidden <mailto:email@hidden>

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