HTTPS and proxy error 400

Hi,
I have a problem with my companies proxy-server when sending https message using HTTP Protocol Client. http messages working fine with this proxy. And https on leased line works a well (without proxy)

Proxy Server refuses to process message with error 400 "invalid Request":
This is output of test_http-script:

******************************************************************
# Opening connection to:

www.unterhaus-mainz.de

Connecting to www.unterhaus-mainz.de
Connecting to HTTP server IP 194.39.156.96...
Connected to 194.39.156.96
# Sending request for page:

/system_check.html

C GET https://www.unterhaus-mainz.de/system_check.html HTTP/1.1
C Host: www.unterhaus-mainz.de
C User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
C Pragma: nocache
C
# Request:

GET https://www.unterhaus-mainz.de/system_check.html HTTP/1.1

# Request headers:

Host: www.unterhaus-mainz.de
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache

S HTTP/1.1 400 Bad Request
S Cache-Control: no-cache
S Pragma: no-cache
S Content-Type: text/html; charset=utf-8
S Proxy-Connection: close
S Connection: close
S Content-Length: 708
S
# Response status code:

400
# Response headers:

http/1.1 400 bad request:
cache-control: no-cache
pragma: no-cache
content-type: text/html; charset=utf-8
proxy-connection: close
connection: close
content-length: 708
******************************************************************

I'm pretty sure that proxy works with https messages as browser-messages are working fine. I've also managed to connect server through proxy using another piece of code - what is unfortuately not SSL coded:
******************************************************************
$host = "www.unterhaus-mainz.de:443";
$path = "/system_check.html";

$proxy = "194.39.156.96";
$proxy_port = "8080";

$fp = fsockopen($proxy, $proxy_port, $errno, $errstr);
fputs($fp, "POST ssl://$host$path HTTP/1.1\r\n");
fputs($fp, "Host: $host\r\n");
fputs($fp, "Referer: $referer\r\n");
fputs($fp, "Content-type: text/xml; charset=UTF8\r\n");
fputs($fp, "Cache-Control: no-cache\r\n");
fputs($fp, "Content-length: ". strlen($data_to_send) ."\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $data_to_send);

while(!feof($fp)) {
$res .= fgets($fp, 128);
}
fclose($fp);
******************************************************************

Could somebody help me?
It's really strange. Looks a little bit like proxy configuration is not fully http-complient ... or httpClient isn't.

thankx a lot in advance
thomas

Hi all,
After posting this question, I've done some further investigation on the problem. So I found out, that this proxy I've used expects that first of all a CONNECT <host>:443 is sent.
This is what HTTP Protocol Client doesn't do.
http.php starts with a GET
Perhaps this helps
Cheers
thomas

Yes, the problem is that when the proxy support was added, there was no way to start the SSL protocol on a connection already established.

It seems that is possible under PHP 5 but I need time to investigate whether it can be made to work reliably.

How to start the SSL protocol on a connection already established?
Not in your class, abstractedly..

You need to call stream_socket_enable_crypto() .

Thank You! I will try it :)

Megarespect man! I love you!!! =)
its work!
multithread fsockopen->socks->ssl now is reality!
Thank you!!!

When I have time I will add support to SSL via proxies of SOCKS to the HTTP class.

The HTTP class now supports setting SSL request over proxies if you are running PHP 5.1 or later. This avoids the HTTP 400 error that some reported before.

You may download the latest version to check it out.

Hello.

I have the same problem.

Can you post the part of code with the solution (using stream_socket_enable_crypto)?

Thank you so much.