#!/usr/bin/perl -w

#####################################ё#########
use IO::Socket; 					 # the main module for connection
use Parallel::ForkManager; 			                   # Call to Fork manger
###############################################
&usage if(@ARGV < 2); 				        # if arguments less then 2 die
my @proxys 	= do {open my $pfh, "<",shift || die $!;<$pfh> }; # proxies
my $output	= shift;            # output file where would go working proxies
my $forker 	= Parallel::ForkManager->new(40);   # Define Fork Manager
my $url		=  "http://google.com";                         # url to query proxy
###############################################
sub usage
{	print STDERR "USAGE: $0 [PROXIES FILE] [OUTPUT FILE]\n"; 
        print STDERR "NOTE: proxy file should contain colon separated list of IP or DOMAIN and PORT\n";
        print STDERR "Examples\n: www.spider-net.de:80\n89.206.8.242:8080\n";
	exit 1;
}
###############################################
sub getPage
{        my($host,$url,$port) = @_; 	   # proxy, url - what to query and port
          my $sock = IO::Socket::INET->new(  PeerAddr => $host,
                                                                      PeerPort => $port,
                                                                      Proto      => "tcp",
				    	                              Timeout  => 3) || return 0;
         print $sock "GET $url HTTP/1.0\r\n".
                     "HOST:              $url\r\n".
                     "ACCEPT:            */*\r\n".
                     "REFERER:           GNUcious\r\n".
                     "USER-AGENT:        1337zilla - Proxy Checker by GNUcious v1.0 ".
                                        "(Macintosh; U; PPC Mac OS X; en-us)\r\n\r\n";
          close($sock);
      return 1;
}
##############################################
foreach $proxies (@proxys)
{	chomp($proxies);                                  # remove new line from proxy
	$forker->start and next;   	       # fork process and increase speed
	my ($proxy,$port) = split(/:/,$proxies);  # split proxy into IP and PORT
	printf("Checking  -> %-20s",$proxies);        # nice look at the terminal
	if(getPage($proxy,$url,$port))
	{ 	open my $wpfh,">>",$output || die $!;    # save proxy if it works
		print $wpfh $proxies."\n";
		close($wpfh);
		print "\t[  OK  ]";
	}
	else
	{	print "\t[ FAIL ]";
	}
	print "\n";
	$forker->finish; 					         # finish process forking
}
$forker->wait_all_children; 		                # wait all remain process and
exit 0; 					       # end program, return 0 result (success)
###############################################