#!/usr/bin/perl -w
use strict;
use CGI qw(:standard);
use HTML::Entities;

my $myipnumber = "123.45.67.890";
my $full_path  = "/htdocs/data";
my $data_file  = "update.txt";

checkip();

my @days = (
  'Sunday',   'Monday', 'Tuesday', 'Wednesday',
  'Thursday', 'Friday', 'Saturday'
);
my @months = (
  'january', 'february', 'march',     'april',   'may',      'june',
  'july',    'august',   'september', 'october', 'november', 'december'
);
my ($sec, $min, $hour, $mday, $mon, $year, $wday) =(localtime(time))[0..6];
my $time = sprintf( "%02d:%02d:%02d", $hour, $min, $sec );
$year += 1900;
my $date_for_logfile = "$mday $months[$mon] $year, $time";

my %formdata = map { $_ => param($_) } param();
my @fieldsnames = keys %formdata;

open( RESULTS, ">$full_path/$data_file" ) || die "Couldn't open file: $!\n";

my $results;
while (my ($key,$value) = each %formdata) {
  print RESULTS "$key=$value&";
  $results .= b($key)." - $value". br();
}
print RESULTS "updated=$date_for_logfile";
close(RESULTS);
encode_entities($results);

print 
  header(),
  start_html(-title => 'Results'),
  CGI::center( 
    b( 'Your Flash variables created $date_for_logfile :' ),
    br(),
    $results
  ),
  end_html;

exit;

sub checkip {
  unless ( $ENV{REMOTE_ADDR} eq $myipnumber ) {
    print header(),
      start_html(
        -title   => "Error!",
        -bgcolor => "white"
      ),
      CGI::center(
        font( {
          -face  => "Verdana, Arial",
          -color => "red",
          -size  => "3" },
          b("Invalid ip-number")
        )
      ),
      end_html;
    exit;
  }
}