#!/usr/bin/perl -w

use strict;
use warnings;
use MIME::Parser;

my ($body, $i, $io, $subEntity);
my $parser = new MIME::Parser;

$parser->ignore_errors(1);
$parser->output_to_core(1);

my $MIME_entity = $parser->parse(\*STDIN);
my $error = ($@ || $parser->last_error);

#get from, to and subject headers.
my $header = $MIME_entity->head;
my $subject = $header->get('Subject');
my $to = $header->get('To');
my $from = $header->get('From');

chomp($subject);
chomp($to);
chomp($from);

#get body
if ($MIME_entity->parts > 0){
    for ($i=0; $i<$MIME_entity->parts; $i++){

        $subEntity = $MIME_entity->parts($i);
        if (($subEntity->mime_type =~ m/text\/html/) || ($subEntity->mime_type =~ m/text\/plain/)){
       
            if ($io = $subEntity->open("r")){
                while (defined($_=$io->getline)){
                    $body .= $_;
                }
                $io->close;
            }
        }
    }
} else {
   $body = join "",  @{$MIME_entity->body};
}



# email report back to sender showing the
# parts of original messages
open MAIL, ("|/usr/sbin/sendmail -t") || die "Unable to send mail: $!";
print MAIL "To: $from\n";
print MAIL "From: root\n";
print MAIL "Subject: mime parser test\n\n";

print MAIL "Messege was contructed as follows:
\$from: $from
\$to: $to
\$subject: $subject

\$body: $body
";

close(MAIL);