#!/usr/bin/perl

use strict;
use warnings;
#use diagnostics;
#use diagnostics "-verbose";

use constant MaxTime1 => 20;   # Seconds
# use Net::Nslookup qw ( nslookup );
use LWP::UserAgent;
# use LWP::Protocol qw ( https );
use Term::ANSIColor qw ( BOLD BLUE RED GREEN RESET );


my $Debug="yes";


sub GetUrlRedirect ( $$ ) {
   # Return $Url's redirected web page.  Black string if none if located

   # Reference: http://stackoverflow.com/questions/26087546/perl-print-the-redirected-url
   # system ('curl -s "SomeUrl" -w %{redirect_url}');

   my $IAm     = ( caller(0) )[3];

   # Incoming:
   my $Url     = $_[0];
   my $Caller  = "$_[1]" . "$IAm";


   my $ua = LWP::UserAgent->new;
   $ua->timeout ( MaxTime1 );
   $ua->show_progress;

   my $req  = new HTTP::Request(GET => $Url);
print STDERR "$Caller requesting $Url\n";
   my $res = $ua->request($req);

print STDERR "$Url redirects to $res->redirects\n";
   if ( ! $res->is_success )
      { print STDERR BOLD RED 
           "   ERROR ${Caller}: unable to obtain a redirect web page for ", 
               $Url, RESET, "\n"; 
        return ""; } 
   else
      { if ( "$Debug" eq "yes" ) { print STDERR "RedirectUrl = <$res->redirects>\n"; }
        return $res->redirects;
      }
}



my $IAm = "UrlRedirectTest.pl ";

my $WebSite     = 'http://usa.kaspersky.com/files/?file=kis&program=one&lang=en&track=pu_kiskis_usen';
my $RedirectUrl = GetUrlRedirect ( $WebSite, $IAm );

print "WebSite $WebSite\nredirects to\n$RedirectUrl\n";
END