2 package MooseX::Storage::Base::WithChecksum;
5 use Digest::MD5 ('md5_hex');
7 use MooseX::Storage::Engine;
12 my ($self, $salt) = @_;
13 my $e = MooseX::Storage::Engine->new( object => $self );
14 my $collapsed = $e->collapse_object;
18 local $Data::Dumper::Sortkeys = 1;
19 my $dumped = Data::Dumper::Dumper($collapsed);
25 $collapsed->{checksum} = md5_hex($dumped, $salt);
31 my ($class, $data, $salt) = @_;
33 # check checksum on data
35 my $old_checksum = $data->{checksum};
36 delete $data->{checksum};
38 local $Data::Dumper::Sortkeys = 1;
39 my $dumped = Data::Dumper::Dumper($data);
45 my $checksum = md5_hex($dumped, $salt);
47 ($checksum eq $old_checksum)
48 || confess "Bad Checksum got=($checksum) expected=($data->{checksum})";
50 my $e = MooseX::Storage::Engine->new(class => $class);
51 $class->new($e->expand_object($data));
62 MooseX::Storage::Base::WithChecksum
72 =item B<pack (?$salt)>
74 =item B<unpack ($data, ?$salt)>
88 All complex software has bugs lurking in it, and this module is no
89 exception. If you find a bug please either email me, or add the bug
94 Stevan Little E<lt>stevan.little@iinteractive.comE<gt>
96 =head1 COPYRIGHT AND LICENSE
98 Copyright 2007 by Infinity Interactive, Inc.
100 L<http://www.iinteractive.com>
102 This library is free software; you can redistribute it and/or modify
103 it under the same terms as Perl itself.