#!/usr/bin/perl -w

use MIME::Parser;

#------------------------------
#
# dump_entity ENTITY, NAME
#
# Recursive routine for dumping an entity.
#
sub dump_entity {
    my ($entity, $level) = @_;
    my $IO;

    $entity->head->unfold;

    # Output the head:
    $subject = $entity->head->get('subject') || "";
    if ($subject) {
	chomp($subject);
	print ' ' x $level, "Subject: ", $subject, "\n";
    }
    $from = $entity->head->get('from') || "";
    if ($from) {
	chomp($from);
	print ' ' x $level, "From: ", $from, "\n";
    }

    # Output the body:
    my @parts = $entity->parts;
    if (@parts) {                     # multipart...
	my $i;
	foreach $i (0 .. $#parts) {       # dump each part...
	    dump_entity($parts[$i], $level + 1);
	}
    }
    else {                            # single part...	

	# Get MIME type, and display accordingly...
	my ($type, $subtype) = split('/', $entity->head->mime_type);
	my $body = $entity->bodyhandle;
	my $size = length($body->as_string);
	print ' ' x $level, "Content-type: $type/$subtype ($size bytes)\n";
    }
    1;
}

#------------------------------
#
# main
#
sub main {
    
    # Create a new MIME parser:
    my $parser = new MIME::Parser;
    
    # Create and set the output directory:
    (-d ".mimedump-tmp") or mkdir ".mimedump-tmp",0700 or die "mkdir: $!";
    (-w ".mimedump-tmp") or die "can't write to directory";
    $parser->output_dir(".mimedump-tmp");
    $parser->output_to_core(ALL);
    
    # Read the MIME message:
    $entity = $parser->read(\*STDIN) or die "couldn't parse MIME stream";

    # Dump it out:
    dump_entity($entity, 0);
}
exit(&main ? 0 : -1);

#------------------------------
1;