pr.php

<?php
   /*
 # Modified and adapted for multi-threading by Samuel Allan <naclo3samuel@gmail.com>
 # You can use this script for any purposes, as long as you leave a line of credit somewhere on your page.
 #
 # Credits to W. Al Maawali for the original script which was great!
 # The guy is a founder of Eagle Eye Digital Solutions,
 # And a direct link to his demonstration of how this works can be found on:
 # https://www.digi77.com/validating-proxy-via-php/
 #
 #
 */

 //Set max execution time
 set_time_limit(600000);



 //We support two ways of using this script,
 //The first way is to directly supply an ip:port and get the results.
 //Another way to use this script is to supply a filename (e.g. checker.php?file=somefile.txt)
 //To determine whether we are being supplied an ip-port or a filename, we'll take a look at the get params


 //Step 1 - Check whether the user specified a timeout
 if(!isset($_GET['timeout']))
 {
   die("You must specify a timeout in seconds in your request (checker.php?...&timeout=20)");
 }

   //Step 2 - Little extras go here
   //Default is 'false' not to confuse the IF-logic later on
   $socksOnly = false;
   if(isset($_GET['proxy_type']))
   {
       if($_GET['proxy_type'] == "socks")
       {
           $socksOnly = true;
           $proxy_type = "socks";
       }
       else
       {
           $proxy_type = "http(s)";
       }
   }
   else
   {
       $proxy_type = "http(s)";
   }

 //Step 3 - Go through a loop to determine what the user wants us to do
 if(isset($_GET['file']))
 {
   //If we can't find the file, complain
   if(!file_exists($_GET['file']))
   {
     die("Could not find file '" . $_GET['file'] . "'");
   }

   //Convert the file to a list of proxies
   $array = file($_GET['file']);
   CheckMultiProxy($array, $_GET['timeout'], $proxy_type);
 }
 else if(isset($_GET['ip']) && isset($_GET['port']))
 {
   CheckSingleProxy($_GET['ip'], $_GET['port'], $_GET['timeout'], true, $socksOnly, $proxy_type);
 }
 else
 {
   die("<h2>Could not find the required GET parameters.</h2><br /><b>To check a proxy use:</b><br /><i>checker.php?ip=...&port=...</i><br /><b>To go through a list of proxies (IP:PORT Format) use:</b><br /><i>checker.php?file=...</i>");
 }



   function CheckMultiProxy($proxies, $timeout, $proxy_type)
 {
   $data = array();
   foreach($proxies as $proxy)
   {
     $parts = explode(':', trim($proxy));
     $url = strtok(curPageURL(),'?');
     $data[] = $url . '?ip=' . $parts[0] . "&port=" . $parts[1] . "&timeout=" . $timeout . "&proxy_type=" . $proxy_type;
   }
   $results = multiRequest($data);
   $holder = array();
   foreach($results as $result)
   {

     $holder[] = json_decode($result, true)["result"];
   }
   $arr = array("results" => $holder);
   echo json_encode($arr);
 }



  function CheckSingleProxy($ip, $port, $timeout, $echoResults=true, $socksOnly=false, $proxy_type="http(s)")
  {
   $passByIPPort= $ip . ":" . $port;


   // You can use virtually any website here, but in case you need to implement other proxy settings (show annonimity level)
   // I'll leave you with whatismyipaddress.com, because it shows a lot of info.
   $url = "http://whatismyipaddress.com/";

   // Get current time to check proxy speed later on
   $loadingtime = microtime(true);

   $theHeader = curl_init($url);
   curl_setopt($theHeader, CURLOPT_RETURNTRANSFER, 1);
   curl_setopt($theHeader, CURLOPT_TIMEOUT, $timeout);
   curl_setopt($theHeader, CURLOPT_PROXY, $passByIPPort);

       //If only socks proxy checking is enabled, use this below.
       if($socksOnly)
       {
           curl_setopt($theHeader, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
       }

   //This is not another workaround, it's just to make sure that if the IP uses some god-forgotten CA we can still work with it ;)
   //Plus no security is needed, all we are doing is just 'connecting' to check whether it exists!
   curl_setopt($theHeader, CURLOPT_SSL_VERIFYHOST, 0);
   curl_setopt($theHeader, CURLOPT_SSL_VERIFYPEER, 0);

   //Execute the request
   $curlResponse = curl_exec($theHeader);


   if ($curlResponse === false)
   {
           //If we get a 'connection reset' there's a good chance it's a SOCKS proxy
           //Just as a safety net though, I'm still aborting if $socksOnly is true (i.e. we were initially checking for a socks-specific proxy)
           if(curl_errno($theHeader) == 56 && !$socksOnly)
           {
               CheckSingleProxy($ip, $port, $timeout, $echoResults, true, "socks");
               return;
           }

           $arr = array(
                   "result" => array(
                       "success" => false,
                       "error" => curl_error($theHeader),
                       "proxy" => array(
                           "ip" => $ip,
                           "port" => $port,
                           "type" => $proxy_type
                   )
               )
           );
   }
   else
   {
     $arr = array(
       "result" => array(
         "success" => true,
         "proxy" => array(
           "ip" => $ip,
           "port" => $port,
           "speed" => floor((microtime(true) - $loadingtime)*1000),
                       "type" => $proxy_type
         )
       )
     );
   }
       if($echoResults)
       {
           echo json_encode($arr);
       }
       return $arr;
  }
  function multiRequest($data, $options = array())
  {

   // array of curl handles
   $curly = array();
   // data to be returned
   $result = array();

   // multi handle
   $mh = curl_multi_init();

   // loop through $data and create curl handles
   // then add them to the multi-handle
   foreach ($data as $id => $d) {

   $curly[$id] = curl_init();

   $url = (is_array($d) && !empty($d['url'])) ? $d['url'] : $d;
   curl_setopt($curly[$id], CURLOPT_URL,            $url);
   curl_setopt($curly[$id], CURLOPT_HEADER,         0);
   curl_setopt($curly[$id], CURLOPT_RETURNTRANSFER, 1);

   // post?
   if (is_array($d)) {
     if (!empty($d['post'])) {
     curl_setopt($curly[$id], CURLOPT_POST,       1);
     curl_setopt($curly[$id], CURLOPT_POSTFIELDS, $d['post']);
     }
   }

   // extra options?
   if (!empty($options)) {
     curl_setopt_array($curly[$id], $options);
   }

   curl_multi_add_handle($mh, $curly[$id]);
   }

   // execute the handles
   $running = null;
   do {
   curl_multi_exec($mh, $running);
   } while($running > 0);


   // get content and remove handles
   foreach($curly as $id => $c) {
   $result[$id] = curl_multi_getcontent($c);
   curl_multi_remove_handle($mh, $c);
   }

   // all done
   curl_multi_close($mh);

   return $result;
 }
function curPageURL() {
   $pageURL = 'http';
   if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
       $pageURL .= "s";
   }
   $pageURL .= "://";
   if ($_SERVER["SERVER_PORT"] != "80") {
       $pageURL .= $_SERVER["SERVER_NAME"] . ":" .
           $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
   } else {
       $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
   }
   return $pageURL;
}
?>