An HTTP message class based on Tor SOCKS5

try{
$tor = new Torhttp (' 127.0.0.1 ', 9050);
$data = Array (' username ' => ' Liujun ');
$headers = Array (' Cookie ' => ' php tutorial id=123456; Xx=v ');
echo $tor->get (' http://host.com/testsocks.php ', $headers);
$tor->newid (' 123456 ');
}catch (Exception $e) {
if ($e->getcode () = = 9999) {
$tor->newid (' 123456 ');
}
echo $e->getmessage (). "N";
}
*/

Class Tool_torhttp
{
/**
* Socks server provided by Tor
*
* @var <string
*/
Private $_host;

/**
* Connection to the SOCKS service
*
* @var <stream>
*/
Private $_sock;

/**
* Constructor
*
* @param <string> $host Socks server address
* @param <int> $port
*/
Public function __construct ($host = ' 127.0.0.1 ', $port = 9050)
{
$this->_host = $host;
@ $this->_sock = fsockopen ($host, $port, $errorCode, $error, 5);

if ($errorCode) {
throw new Exception (' Cannot connect proxy server ');
}

Establish a connection to the application tier
Fwrite ($this->_sock, pack (' C3 ', 5, 1, 0));
$resp = Fread ($this->_sock, 1024);
$resp = Unpack (' Cversion/cmethod ', $RESP);
if ($resp [' Version ']!= 5 | | $resp [' method ']!= 0) {
$this->_sock = null;
throw new Exception (' Proxy server unavailable or need to connect password ');
}
}

/**
* Connect to target host
*
* @param <type> $host
* @param <type> $port
*/
Private Function _connect ($host, $port)
{
IP and Domain name description of the server in a different message format
$lip = Ip2long ($host);
if (empty ($lip)) {
$pack = Pack (' C5 ', 5, 1, 0, 3, strlen ($host)). $host. Pack (' n ', Intval ($port));
}else{
$pack = Pack (' C4nn ', 5, 1, 0, 1, $lip, $port);
}
Fwrite ($this->_sock, $pack);
$resp = ';
$counter = 0;
while (true) {
if (feof ($this->_sock)) {
Break
}
$resp. = Fread ($this->_sock, 1024);
if (!empty ($RESP) | | | $counter = = 50) {
Break
}
$counter + 1;
}

        $resp = unpack (' Cversion/crep ', $RESP);
        if (($resp [' Version ']!= 5) | | ($resp [' rep ']!= 0)) {
            throw new Exception ("Requested service [$host: $port] Temporarily unavailable, or Tor cannot arrive, and if it happens repeatedly, try restarting Tor, 9999;
       }
   }

/**
* Initiate an HTTP GET request
*
* @param <type> $url
* @return <string>
*/
Public function Get ($url, $headers = Array ())
{
$ua = Parse_url ($url);
if (Empty ($ua [' Port '])) {
$ua [' port '] = 80;
}

$this->_connect ($ua [' Host '], $ua [' Port ']);

$requestUri = $ua [' path '];

if (!empty ($ua [' query '])) {
$requestUri. = '? '. $ua [' query '];
}

$headers [' host '] = $ua [' Host '];
if (!isset ($headers [' user-agent '])) {
$headers [' user-agent '] = mozilla/5.0 (Windows; U Windows NT 5.1; ZH-CN; rv:1.9.0.10) gecko/2009042316 firefox/3.0.10 GTB5 ";
}
$headers [' Connection '] = ' close ';

Fwrite ($this->_sock, "get {$requestUri} http/1.1n");
foreach ($headers as $key => $val) {
Fwrite ($this->_sock, "{$key}: {$val}n");
}
Fwrite ($this->_sock, "n");

$resp = ';
while (!feof ($this->_sock)) {
$resp. = Fread ($this->_sock, 1024);
}
return $RESP;
}

/**
* Initiate an HTTP POST request
*
* @param <type> $url
* @param <type> $data
* @param <type> $headers
* @return <type>
*/
Public Function post ($url, $data, $headers = Array ())
{
$ua = Parse_url ($url);

if (Empty ($ua [' Port '])) {
$ua [' port '] = 80;
}

$this->_connect ($ua [' Host '], $ua [' Port ']);

if (Isset ($ua [' path ']) &&!empty ($ua [' path '])) {
$requestUri = $ua [' path '];
}else{
$requestUri = '/';
}

if (!empty ($ua [' query '])) {
$requestUri. = '? '. $ua [' query '];
}

if (!isset ($headers [' user-agent '])) {
$headers [' user-agent '] = mozilla/5.0 (Windows; U Windows NT 5.1; ZH-CN; rv:1.9.0.10) gecko/2009042316 firefox/3.0.10 GTB5 ";
}
$headers [' Connection '] = ' close ';

$data = $this->_parsedata ($data);

        fwrite ($this->_sock, "POST {$requestUri} http/1.1n");
        fwrite ($this->_sock, "host: {$ua [' host ']}n");
        fwrite ($this->_sock, "content-type:application/ X-www-form-urlencodedn ");
        fwrite ($this->_sock, "Content-length:". Strlen ($data). "N");
        foreach ($headers as $key => $val) {
             fwrite ($this->_sock, "{$key}: {$val}n");
       }
        fwrite ($this->_sock, "n");
        fwrite ($this->_sock, $data. "n");

        $resp = ';
        while (!feof ($this->_sock)) {
             $resp. = Fread ($this->_sock, 1024);
       }
        return $RESP;
   }

   /**
     * Update Tor's identity
     *
      * @param <type> $password
     * @param <type> $port
  & nbsp;  * @return <type>
     */
    Public Function newId ($ Password = ', $port = 9051)
    {
        if!empty ($ Password) && $password [0]!= ' "') {
            $ Password = ' "'. $password. '"';
       }

Create a connection to the Tor control terminal
@ $sock = Fsockopen ($this->_host, $port, $errorCode, $error, 5);
if ($errorCode) {
throw new Exception (' Cannot connect to Proxy server control, please check port number ');
}

Fwrite ($sock, "Authenticate {$password}n");
$resp = Fread ($sock, 1024);
if (!preg_match ('/^250/', $resp)) {
throw new Exception (' Tor control authentication failed, please confirm correct password ');
}

        fwrite ($sock, "SIGNAL newnymn");
        $resp = fread ($sock, 1024);
        if (!preg_match ('/^250/', $resp)) {
             throw new Exception (' Update identity failed, please try again ');
       }
        return true;
   }

    Private Function _parsedata ($data)
    {
         if (Empty ($data) | |!is_array ($DATA)) {
                 return $data;
       }
        $encoded = ';
        while (list ($k, $v) = each ($data)) {
             $encoded. = $k. "=" . $v. ' & ';
       }
        return substr ($encoded, 0,-1);
   }

    public function  __destruct ()
    {
         fclose ($this->_sock);
        $this->_sock = null;
   }
}