<?php
class httpclient{
// global $_SERVER;
public $port=0; // socket port
public $host=''; // host www.example.net
public $path=''; // PATH /foo.php
public $dirname='';
public $filename='';
public $scheme='';
public $argument=''; // ?foo=bar&foo1=bar
public $post_data=''; // foo=bar&foo1=bar
public $request_header=''; // header sent to server
public $cookie_array=array(); // array('ssid' => 'ssid', 'foo' => 'bar')
public $response_data=''; // data returned from server
public $response_header=''; // header data from server
public $response_body='';
public $response_status=0;
function open($url,$post_data=''){
$this->port=(parse_url($url, PHP_URL_PORT) ? parse_url($url, PHP_URL_PORT) : 80); //set port
$this->host=parse_url($url, PHP_URL_HOST);
$this->path=parse_url($url, PHP_URL_PATH);
$this->dirname=dirname($this->path);
$this->filename=dirname($this->path);
$this->argument=parse_url($url, PHP_URL_QUERY);
$this->scheme=parse_url($url, PHP_URL_SCHEME);
$this->post_data=$post_data;
$this->request_header=($this->post_data=='' ? $this->get_request_header($this->host,$this->path.'?'.$this->argument,$this->cookie_to_text($this->cookie_array)) : $this->post_request_header($this->host,$this->path.'?'.$this->argument,$this->post_data,$this->cookie_to_text($this->cookie_array)));
$this->response_data=$this->socket_open($this->host,$this->port,$this->request_header);
$this->response_header=$this->get_response_header($this->response_data);
$this->cookie_array=$this->get_cookie($this->response_header);
$this->response_status=$this->get_status($this->response_header);
$this->response_body=$this->get_response_body($this->response_data);
}
function get_request_header($host,$path,$cookie){
$header='';
$header.="GET $path HTTP/1.1";
$header.="\r\n";
$header.="Host: $host";
$header.="\r\n";
$header.="User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; sk; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)";
// $header="User-Agent: ".$_SERVER['HTTP_USER_AGENT'];
$header.="\r\n";
$header.="Accept: */*";
$header.="\r\n";
$header.="Content-Type: application/x-www-form-urlencoded";
$header.="\r\n";
$header.="Keep-Alive: 300";
$header.="\r\n";
$header.="Connection: keep-alive";
$header.="\r\n";
$header.="Pragma: no-cache";
$header.="\r\n";
$header.="Cache-Control: no-cache";
$header.="\r\n";
$header.="Cookie: $cookie";
$header.="\r\n";
$header.="\r\n";
return $header;
}
function post_request_header($host,$path,$post_data,$cookie){
$post_data_length=strlen($post_data);
$header='';
$header.="POST $path HTTP/1.1";
$header.="\r\n";
$header.="Host: $host";
$header.="\r\n";
$header.="User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; sk; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)";
// $header="User-Agent: ".$_SERVER['HTTP_USER_AGENT'];
$header.="\r\n";
$header.="Accept: */*";
$header.="\r\n";
$header.="Content-Length: $post_data_length";
$header.="\r\n";
$header.="Content-Type: application/x-www-form-urlencoded";
$header.="\r\n";
$header.="Keep-Alive: 300";
$header.="\r\n";
$header.="Connection: keep-alive";
$header.="\r\n";
$header.="Pragma: no-cache";
$header.="\r\n";
$header.="Cache-Control: no-cache";
$header.="\r\n";
$header.="Cookie: $cookie";
$header.="\r\n";
$header.="\r\n";
$header.="$post_data";
return $header;
}
function cookie_to_text($cookie_array){
$cookie_to_text='';
foreach($cookie_array as $key => $value) { $cookie_to_text.=$key.'='.$value;}
return $cookie_to_text;
}
function socket_open($host,$port,$header){
$socket_open = '';
$fp = fsockopen($host, $port);
fputs($fp, $header);
while(!feof($fp)) {
$socket_open .= fgets($fp, 128); // receive the results of the request
}
fclose($fp); // close the socket connection:
return $socket_open;
}
function get_response_header($response){
$header=explode( "\r\n\r\n" , $response,2);
return $header[0];
}
function get_cookie($header){
$cookie=array();
$lines=explode("\r\n",$header);
foreach($lines as $line) {
$fields=explode(" ",$line);
$columns=explode("=",$fields[1]);
if ($fields[0]=='Set-Cookie:') {$cookie[$columns[0]]=$columns[1];}
}
return $cookie;
}
function get_status($header){
preg_match("/(HTTP[^ ]*) ([^ ]*) ([^\r\n]*)/m", $header,$status);
return $status[2];
}
function get_response_body($response){
$body=explode( "\r\n\r\n" , $response,2);
return $body[1];
}
function save($file){
$fp=Fopen($file,'w');
Fputs($fp,$this->request_body);
Fclose($fp);
}
function show_data(){
echo $this->response_body;
}
}
?>
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