Recaptcha using CURL

[SAmark]

Hi,
I had to resort to using CURL for recaptcha as fsockopen is disabled
on the server and theres no way around this for now.

I implemented the code but Im not getting the desired result. Im
getting returned a 400 Bad Request error. Below is my code:


$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $host);
curl_setopt ($ch, CURLOPT_PORT, $port);
curl_setopt ($ch, CURLOPT_TIMEOUT, 10);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
curl_setopt ($ch, CURLOPT_HTTPHEADER, $http_request);
curl_setopt ($ch, CURLOPT_POSTFIELDS, $postdata);
$fs = curl_exec($ch);

Im new to CURL so I cant say im too confident with the above code so
If anyone can give me an idea of what the problem is that would be
great.

Thanks
Mark

[mbirth]

I had to use cURL because we use a HTTP proxy for outbound connections
and fsockopen() tried to connect directly. This seems to work:

/**
* Submits an HTTP POST to a reCAPTCHA server
* @param string $host
* @param string $path
* @param array $data
* @param int port
* @return array response
*/
function _recaptcha_http_post($host, $path, $data, $port = 80) {
$add_headers = array(
"Host: $host",
);

$curl = curl_init( 'http://' . $host . ':' . $port . $path );
curl_setopt( $curl, CURLOPT_POST, true );
curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $curl, CURLOPT_CONNECTTIMEOUT, 10 );
curl_setopt( $curl, CURLOPT_HTTP_VERSION,
CURL_HTTP_VERSION_1_0 );
curl_setopt( $curl, CURLOPT_USERAGENT, 'reCAPTCHA/PHP' );
curl_setopt( $curl, CURLOPT_POSTFIELDS, $data );
curl_setopt( $curl, CURLOPT_HEADER, true );
curl_setopt( $curl, CURLOPT_HTTPHEADER, $add_headers );
if ( isset( $_ENV['http_proxy'] ) && !empty ( $_ENV
['http_proxy'] ) ) {
curl_setopt( $curl, CURLOPT_HTTPPROXYTUNNEL, true );
curl_setopt( $curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP );
curl_setopt( $curl, CURLOPT_PROXY, $_ENV
['http_proxy'] ); // CURLOPT_PROXYUSERPWD as username:password
needed?
}

$response = curl_exec( $curl );
if ( $response === false ) die('Error connecting to ' .
$host . '.');

$response = explode("\r\n\r\n", $response, 2);

return $response;
}

Cheers,
-mARKUS

[SAmark]

Thanks markus, that worked perfectly!

[John Williams]

Thanks mARKUS! It does work!