olegk wrote:
>
> On Mon, 2010-07-05 at 08:56 -0700, Jacky-Zhu-1 wrote:
>>
>>
>> olegk wrote:
>> >
>> > On Sun, 2010-07-04 at 11:39 -0700, Jacky-Zhu-1 wrote:
>> >> I've been trying to use httpclient4.0 to connect https server via
>> socks
>> >> proxy, but it failed again and again.
>> >>
>> >
>> > SOCKS is a TCP/IP level, not HTTP level protocol. SOCKS proxy support
>> > can be configured using standard JVM settings.
>> >
>> > Oleg
>> >
>> >
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>> >
>> >
>> >
>>
>> Hi Oleg, thanks for your reply.
>> You are right, SOCKS proxy support could be configured using standard JVM
>> settings. But JVM settings is global, it will take effect for all the
>> java
>> socket, this is not what we want, we just want to use SOCKS proxy for
>> part
>> of the java sockets, so we want to go through the SOCKS by using
>> HttpClient.
>> Yes, SOCKS is TCP/IP level, HttpClient focus on HTTP level. But
>> HttpClient
>> supports to create customized socket by implementing the
>> SocketFactory/LayeredSocketFactory, am I right?
>> And JVM supports layered SSLSocket, I've checked the JVM code and the
>> JSSE
>> code, JVM could support to let user pass one connected socket to one
>> SSLSocket.
>>
>> So the solution I have tried is something like this:
>> 1. create one normal socket, and connect it to the proxy server
>> 2. complete the socks protocol using this socket
>> 3. passed this socket to a new created SSLSocket
>> 4. let HttpClient use this new SSLSocket to communicate with HTTPS server
>>
>> I've checked the running status, the steps 1/2/3 are all ok, but the step
>> 4
>> failed, as the log I have pasted.
>>
>> Could you give me some advices?
>> Or maybe I can read the HttpClient source code to get some clues.
>>
>
> Have a look at this example. Please note it requires HttpClient 4.1
> (still ALPHA)
>
> http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/httpclient/src/examples/org/apache/http/examples/client/ClientExecuteSOCKS.java
>
> Oleg
>
>
>
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>
>
>
Hi Oleg,
Thanks for your reply.
It seems that your example is only suitable for normal socket, not suitable
for sslsocket. I also found in
http://old.nabble.com/Fw:-SOCKS-proxy-example---td28306808.html#a28306808
another thread , you have given an similar example for HttpClient4.0, I have
tried that solution, it did work for normal socket in HttpClient4.0, but
didn't work for sslsocket.
So I think this example still cannot work for sslsocket, because for JVM
sslsocket, the only solution to using sslsocket via socks proxy is that:
create normal socket and connect it to the proxy server; complete the socks
protocol using this socket's input/output stream;create one sslsocket using
this socket.
My problem is how to let HttpClient4.0 use this customized sslsocket.....
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