/TEST/PROXY/GOOGLE/functions.php

<?php

/* This code is free to use and modify as long as this comment is untouched

 * Original source and details: http://google-scraper.squabbel.com

 * All rights reserves, justone@squabbel.com

 */



/*

 * This is the API function for www.seo-proxies.com, currently supporting the "rotate" command

 * On success it will define the $PROXY variable, adding the elements ready,address,port,external_ip and return 1

 * On failure the return is <= 0 and the PROXY variable ready element is set to "0"

 */

function extractBody($response_str)

{

	$parts = preg_split('|(?:\r?\n){2}|m', $response_str, 2);

	if (isset($parts[1])) return $parts[1];

	return '';

}

function proxy_api($cmd,$x="")

{

	global $pwd;

	global $uid;

	global $PROXY;

	global $NL;

	$fp = fsockopen("www.seo-proxies.com", 80);

	if (!$fp) 

	{

		echo "Unable to connect to proxy API $NL";

		return -1; // connection not possible

	} else 

	{

		if ($cmd == "rotate")

		{

			$PROXY['ready']=0;

			fwrite($fp, "GET /api.php?api=1&uid=$uid&pwd=$pwd&cmd=rotate&randomness=1 HTTP/1.0\r\nHost: www.seo-proxies.com\r\nAccept: text/html, text/plain, text/*, */*;q=0.01\r\nAccept-Encoding: plain\r\nAccept-Language: en\r\n\r\n");

		 	stream_set_timeout($fp, 8);

			$res="";

			$n=0;

			while (!feof($fp)) 

			{

				if ($n++ > 4) break;

	  			$res .= fread($fp, 8192);

			}

		 	$info = stream_get_meta_data($fp);

		 	fclose($fp);

		

		 	if ($info['timed_out']) 

			{

				echo 'API: Connection timed out! $NL';

				return -2; // api timeout

		  } else 

			{

				if (strlen($res) > 1000) return -3; // invalid api response (check the API website for possible problems)

				$data=extractBody($res);

				$ar=explode(":",$data);

				if (count($ar) < 4) return -100; // invalid api response

				switch ($ar[0])

				{

					case "ERROR":

						echo "API Error: $res $NL";

						return 0; // Error received

					break;

					case "ROTATE":

						

                                                $PROXY['address']=$ar[1];

						$PROXY['port']=$ar[2];

						$PROXY['external_ip']=$ar[3];

						$PROXY['ready']=1;

						return 1;



                                                

					break;

					default:

						echo "API Error: Received answer $ar[0], expected \"ROTATE\"";

						return -101; // unknown API response

				}

	 		}

	 	} // cmd==rotate

	}

}







function dom2array($node) 

{

  $res = array();

  if($node->nodeType == XML_TEXT_NODE)

  {

  	$res = $node->nodeValue;

  } else

  {

  	if($node->hasAttributes())

  	{

  		$attributes = $node->attributes;

  		if(!is_null($attributes))

  		{

  			$res['@attributes'] = array();

  			foreach ($attributes as $index=>$attr) 

  			{

  				$res['@attributes'][$attr->name] = $attr->value;

  			}

  		}

  	}

  	if($node->hasChildNodes())

  	{

  		$children = $node->childNodes;

  		for($i=0;$i<$children->length;$i++)

  		{

  			$child = $children->item($i);

  			$res[$child->nodeName] = dom2array($child);

  		}

  		$res['textContent']=$node->textContent;

  	}

  }

  return $res;

}





function getContent(&$NodeContent="",$nod)

{    

	$NodList=$nod->childNodes;

	for( $j=0 ;  $j < $NodList->length; $j++ )

	{ 

		$nod2=$NodList->item($j);

		$nodemane=$nod2->nodeName;

		$nodevalue=$nod2->nodeValue;

		if($nod2->nodeType == XML_TEXT_NODE)

		    $NodeContent .= $nodevalue;

		else

		{     $NodeContent .= "<$nodemane ";

		   $attAre=$nod2->attributes;

		   foreach ($attAre as $value)

		      $NodeContent .= "{$value->nodeName}='{$value->nodeValue}'" ;

		    $NodeContent .= ">";                    

		    getContent($NodeContent,$nod2);                    

		    $NodeContent .= "</$nodemane>";

		}

	}

   

}





function dom2array_full($node)

{

    $result = array();

    if($node->nodeType == XML_TEXT_NODE) 

    {

    	$result = $node->nodeValue;

    } else 

    {

    	if($node->hasAttributes()) 

    	{

    		$attributes = $node->attributes;

    		if((!is_null($attributes))&&(count($attributes))) 

    			foreach ($attributes as $index=>$attr) 

    		  	$result[$attr->name] = $attr->value;

    	}

    	if($node->hasChildNodes())

    	{

    		$children = $node->childNodes;

    		for($i=0;$i<$children->length;$i++) 

    		{

    			$child = $children->item($i);

    			if($child->nodeName != '#text')

    			if(!isset($result[$child->nodeName]))

    				$result[$child->nodeName] = dom2array($child);

    			else 

    			{

    				$aux = $result[$child->nodeName];

    				$result[$child->nodeName] = array( $aux );

    				$result[$child->nodeName][] = dom2array($child);

    			}

    		}

    	}

    }

    return $result;

} 





function getip()

{

	global $PROXY;

	if (!$PROXY['ready']) return -1; // proxy not ready

	

	$curl_handle=curl_init();

	curl_setopt($curl_handle,CURLOPT_URL,'http://squabbel.com/ipxx.php'); // this site will return the plain IP address, great for testing if a proxy is ready

	curl_setopt($curl_handle,CURLOPT_CONNECTTIMEOUT,10);

	curl_setopt($curl_handle,CURLOPT_TIMEOUT,10);

	curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1);

	$curl_proxy = "$PROXY[address]:$PROXY[port]";

	curl_setopt($curl_handle, CURLOPT_PROXY, $curl_proxy);

	$tested_ip=curl_exec($curl_handle);

	

  if(preg_match("^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}^", $tested_ip))

  {

  	curl_close($curl_handle);

		return $tested_ip;

	}

  else

  {

  	$info = curl_getinfo($curl_handle);

  	curl_close($curl_handle);

    return 0; // possible error would be a wrong authentication IP

  }

}





function new_curl_session($ch=NULL)

{

	global $PROXY;

	if ((!isset($PROXY['ready'])) || (!$PROXY['ready'])) return $ch; // proxy not ready

	

	if (isset($ch) && ($ch != NULL)) 

		curl_close($ch);

  $ch = curl_init();

  curl_setopt ($ch, CURLOPT_HEADER, 0);

  curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);

  curl_setopt ($ch, CURLOPT_RETURNTRANSFER , 1);

  $curl_proxy = "$PROXY[address]:$PROXY[port]";

  curl_setopt($ch, CURLOPT_PROXY, $curl_proxy);

  curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);

  curl_setopt($ch, CURLOPT_TIMEOUT, 20);

  curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.0; en; rv:1.9.0.4) Gecko/2009011913 Firefox/3.0.6");

	return $ch;

}









?>