| Current Path : /opt/cpanel/ea-php54/root/usr/share/pear/RVSeagullMod/lib/RVSGL/CpHandle/DaLibs/ |
| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/RVSeagullMod/lib/RVSGL/CpHandle/DaLibs/httpsocket.php |
<?php
/**
* Socket communication class.
*
* Originally designed for use with DirectAdmin's API, this class will fill any HTTP socket need.
*
* Very, very basic usage:
* $Socket = new HTTPSocket;
* echo $Socket->get('http://user:pass@somesite.com/somedir/some.file?query=string&this=that');
*
* @author Phi1 'l0rdphi1' Stier <l0rdphi1@liquenox.net>
* @package HTTPSocket
* @version 2.7
*/
class HTTPSocket {
var $version = '2.7';
/* all vars are private except $error, $query_cache, and $doFollowLocationHeader */
var $method = 'GET';
var $remote_host;
var $remote_port;
var $remote_uname;
var $remote_passwd;
var $result;
var $result_header;
var $result_body;
var $result_status_code;
var $lastTransferSpeed;
var $bind_host;
var $error = array();
var $warn = array();
var $query_cache = array();
var $doFollowLocationHeader = TRUE;
var $redirectURL;
var $extra_headers = array();
/**
* Create server "connection".
*
*/
function connect($host, $port = '' )
{
if (!is_numeric($port))
{
$port = 80;
}
$this->remote_host = $host;
$this->remote_port = $port;
}
function bind( $ip = '' )
{
if ( $ip == '' )
{
$ip = $_SERVER['SERVER_ADDR'];
}
$this->bind_host = $ip;
}
/**
* Change the method being used to communicate.
*
* @param string|null request method. supports GET, POST, and HEAD. default is GET
*/
function set_method( $method = 'GET' )
{
$this->method = strtoupper($method);
}
/**
* Specify a username and password.
*
* @param string|null username. defualt is null
* @param string|null password. defualt is null
*/
function set_login( $uname = '', $passwd = '' )
{
if ( strlen($uname) > 0 )
{
$this->remote_uname = $uname;
}
if ( strlen($passwd) > 0 )
{
$this->remote_passwd = $passwd;
}
}
/**
* Query the server
*
* @param string containing properly formatted server API. See DA API docs and examples. Http:// URLs O.K. too.
* @param string|array query to pass to url
* @param int if connection KB/s drops below value here, will drop connection
*/
function query( $request, $content = '', $doSpeedCheck = 0 )
{
$this->error = $this->warn = array();
$this->result_status_code = NULL;
// is our request a http:// ... ?
if (preg_match('!^http://!i',$request))
{
$location = parse_url($request);
$this->connect($location['host'],$location['port']);
$this->set_login($location['user'],$location['pass']);
$request = $location['path'];
$content = $location['query'];
if ( strlen($request) < 1 )
{
$request = '/';
}
}
$array_headers = array(
'User-Agent' => "HTTPSocket/$this->version",
'Host' => ( $this->remote_port == 80 ? $this->remote_host : "$this->remote_host:$this->remote_port" ),
'Accept' => '*/*',
'Connection' => 'Close' );
foreach ( $this->extra_headers as $key => $value )
{
$array_headers[$key] = $value;
}
$this->result = $this->result_header = $this->result_body = '';
// was content sent as an array? if so, turn it into a string
if (is_array($content))
{
$pairs = array();
foreach ( $content as $key => $value )
{
$pairs[] = "$key=".urlencode($value);
}
$content = join('&',$pairs);
unset($pairs);
}
$OK = TRUE;
// instance connection
if ($this->bind_host)
{
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_bind($socket,$this->bind_host);
if (!@socket_connect($socket,$this->remote_host,$this->remote_port))
{
$OK = FALSE;
}
}
else
{
$socket = fsockopen( $this->remote_host, $this->remote_port, $sock_errno, $sock_errstr, 10 );
}
if ( !$socket || !$OK )
{
$this->error[] = "Can't create socket connection to $this->remote_host:$this->remote_port.";
return 0;
}
// if we have a username and password, add the header
if ( isset($this->remote_uname) && isset($this->remote_passwd) )
{
$array_headers['Authorization'] = 'Basic '.base64_encode("$this->remote_uname:$this->remote_passwd");
}
// for DA skins: if $this->remote_passwd is NULL, try to use the login key system
if ( isset($this->remote_uname) && $this->remote_passwd == NULL )
{
$array_headers['Cookie'] = "session={$_SERVER['SESSION_ID']}; key={$_SERVER['SESSION_KEY']}";
}
// if method is POST, add content length & type headers
if ( $this->method == 'POST' )
{
$array_headers['Content-type'] = 'application/x-www-form-urlencoded';
$array_headers['Content-length'] = strlen($content);
}
// else method is GET or HEAD. we don't support anything else right now.
else
{
if ($content)
{
$request .= "?$content";
}
}
// prepare query
$query = "$this->method $request HTTP/1.0\r\n";
foreach ( $array_headers as $key => $value )
{
$query .= "$key: $value\r\n";
}
$query .= "\r\n";
// if POST we need to append our content
if ( $this->method == 'POST' && $content )
{
$query .= "$content\r\n\r\n";
}
// query connection
if ($this->bind_host)
{
socket_write($socket,$query);
// now load results
while ( $out = socket_read($socket,2048) )
{
$this->result .= $out;
}
}
else
{
fwrite( $socket, $query, strlen($query) );
// now load results
$this->lastTransferSpeed = 0;
$status = socket_get_status($socket);
$startTime = time();
$length = 0;
$prevSecond = 0;
while ( !feof($socket) && !$status['timed_out'] )
{
$chunk = fgets($socket,1024);
$length += strlen($chunk);
$this->result .= $chunk;
$elapsedTime = time() - $startTime;
if ( $elapsedTime > 0 )
{
$this->lastTransferSpeed = ($length/1024)/$elapsedTime;
}
if ( $doSpeedCheck > 0 && $elapsedTime > 5 && $this->lastTransferSpeed < $doSpeedCheck )
{
$this->warn[] = "kB/s for last 5 seconds is below 50 kB/s (~".( ($length/1024)/$elapsedTime )."), dropping connection...";
$this->result_status_code = 503;
break;
}
}
if ( $this->lastTransferSpeed == 0 )
{
$this->lastTransferSpeed = $length/1024;
}
}
list($this->result_header,$this->result_body) = preg_split("/\r\n\r\n/",$this->result,2);
if ($this->bind_host)
{
socket_close($socket);
}
else
{
fclose($socket);
}
$this->query_cache[] = $query;
$headers = $this->fetch_header();
// what return status did we get?
if (!$this->result_status_code)
{
preg_match("#HTTP/1\.. (\d+)#",$headers[0],$matches);
$this->result_status_code = $matches[1];
}
// did we get the full file?
if ( !empty($headers['content-length']) && $headers['content-length'] != strlen($this->result_body) )
{
$this->result_status_code = 206;
}
// now, if we're being passed a location header, should we follow it?
if ($this->doFollowLocationHeader)
{
if (isset($headers['location']) && $headers['location'])
{
$this->redirectURL = $headers['location'];
$this->query($headers['location']);//TODO Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 523800 bytes) in /usr/local/rvglobalsoft/rvsitebuilder/modules/sitebuilder/classes/CpHandle/DaLibs/httpsocket.php on line 309
}
}
}
function getTransferSpeed()
{
return $this->lastTransferSpeed;
}
/**
* The quick way to get a URL's content :)
*
* @param string URL
* @param boolean return as array? (like PHP's file() command)
* @return string result body
*/
function get($location, $asArray = FALSE )
{
$this->query($location);
if ( $this->get_status_code() == 200 )
{
if ($asArray)
{
return preg_split("/\n/",$this->fetch_body());
}
return $this->fetch_body();
}
return FALSE;
}
/**
* Returns the last status code.
* 200 = OK;
* 403 = FORBIDDEN;
* etc.
*
* @return int status code
*/
function get_status_code()
{
return $this->result_status_code;
}
/**
* Adds a header, sent with the next query.
*
* @param string header name
* @param string header value
*/
function add_header($key,$value)
{
$this->extra_headers[$key] = $value;
}
/**
* Clears any extra headers.
*
*/
function clear_headers()
{
$this->extra_headers = array();
}
/**
* Return the result of a query.
*
* @return string result
*/
function fetch_result()
{
return $this->result;
}
/**
* Return the header of result (stuff before body).
*
* @param string (optional) header to return
* @return array result header
*/
function fetch_header( $header = '' )
{
$array_headers = preg_split("/\r\n/",$this->result_header);
$array_return = array( 0 => $array_headers[0] );
unset($array_headers[0]);
foreach ( $array_headers as $pair )
{
list($key,$value) = preg_split("/: /",$pair,2);
$array_return[strtolower($key)] = $value;
}
if ( $header != '' )
{
return $array_return[strtolower($header)];
}
return $array_return;
}
/**
* Return the body of result (stuff after header).
*
* @return string result body
*/
function fetch_body()
{
return $this->result_body;
}
/**
* Return parsed body in array format.
*
* @return array result parsed
*/
function fetch_parsed_body()
{
//parse_str($this->result_body,$x);
$resHtml = $this->unhtmlentities($this->result_body);
$res = strip_tags($resHtml);
parse_str($res,$x);
return $x;
}
function unhtmlentities($string)
{
//DA: PHP 5.5 Fixed warning:: Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in
//return preg_replace('~&#([0-9][0-9])~e', 'chr(\\1)', $string);
$string = preg_replace_callback('~&#([0-9][0-9])~',
create_function('$matches', 'return chr($matches[1]);'), $string);
return $string;
}
}
?>
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