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package Email::Outlook::Message::Attachment; |
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=head1 NAME |
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Email::Outlook::Message::Attachment - Handle attachment data in .msg files |
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=head1 DESCRIPTION |
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This is an internal module of Email::Outlook::Message. It is a subclass of |
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Email::Outlook::Message::Base. |
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=head1 METHODS |
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=over 8 |
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=item B |
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Create a new attachment object, using $pps as data source. Overrides the base |
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method by setting some default values. |
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=item B |
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Convert the attachment to an Email::MIME object. |
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=back |
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=head1 AUTHOR |
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Matijs van Zuijlen, C |
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=head1 COPYRIGHT AND LICENSE |
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Copyright 2002--2014 by Matijs van Zuijlen |
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This module is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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=cut |
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use strict; |
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use warnings; |
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use Carp; |
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use Email::MIME::ContentType; |
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use base 'Email::Outlook::Message::Base'; |
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our $MAP_ATTACHMENT_FILE = { |
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'3701' => "DATA", # Data |
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'3704' => "SHORTNAME", # Short file name |
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'3707' => "LONGNAME", # Long file name |
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'370E' => "MIMETYPE", # mime type |
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'3712' => "CONTENTID", # content-id |
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'3716' => "DISPOSITION", # disposition |
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}; |
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sub new { |
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my ($class, $pps, $verbosity) = @_; |
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my $self = $class->SUPER::new($pps, $verbosity); |
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bless $self, $class; |
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$self->{MIMETYPE} ||= 'application/octet-stream'; |
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$self->{ENCODING} ||= 'base64'; |
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$self->{DISPOSITION} ||= 'attachment'; |
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if ($self->{MIMETYPE} eq 'multipart/signed') { |
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$self->{ENCODING} = '8bit'; |
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} |
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return $self; |
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} |
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sub to_email_mime { |
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my $self = shift; |
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my $mt = parse_content_type($self->{MIMETYPE}); |
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my $m = Email::MIME->create( |
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attributes => { |
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content_type => "$mt->{discrete}/$mt->{composite}", |
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%{$mt->{attributes}}, |
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encoding => $self->{ENCODING}, |
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filename => $self->{LONGNAME} || $self->{SHORTNAME}, |
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name => $self->{LONGNAME} || $self->{LONGNAME}, |
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disposition => $self->{DISPOSITION}, |
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}, |
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header => [ 'Content-ID' => $self->{CONTENTID} ], |
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body => $self->{DATA}); |
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return $m |
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} |
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sub _property_map { |
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return $MAP_ATTACHMENT_FILE; |
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} |
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sub _process_subdirectory { |
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my ($self, $pps) = @_; |
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my $name = $self->_get_pps_name($pps); |
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my ($property, $encoding) = $self->_parse_item_name($name); |
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if ($property eq '3701') { # Nested msg file |
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my $is_msg = 1; |
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foreach my $child (@{$pps->{Child}}) { |
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unless ($self->_get_pps_name($child) =~ / ^ ( __recip | __attach |
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| __substg1 | __nameid | __properties ) /x |
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) { |
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$is_msg = 0; |
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last; |
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} |
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} |
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if ($is_msg) { |
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my $msgp = Email::Outlook::Message->_empty_new(); |
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$msgp->_set_verbosity($self->{VERBOSE}); |
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$msgp->_process_pps($pps); |
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$self->{DATA} = $msgp->to_email_mime->as_string; |
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$self->{MIMETYPE} = 'message/rfc822'; |
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$self->{ENCODING} = '8bit'; |
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} else { |
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foreach my $child (@{$pps->{Child}}) { |
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if (eval { $child->isa('OLE::Storage_Lite::PPS::File')}) { |
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foreach my $prop ("Time1st", "Time2nd") { |
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$child->{$prop} = undef; |
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} |
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} |
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} |
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my $nPps = OLE::Storage_Lite::PPS::Root->new( |
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$pps->{Time1st}, $pps->{Time2nd}, $pps->{Child}); |
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my $data; |
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my $io = IO::String->new($data); |
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binmode($io); |
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$nPps->save($io, 1); |
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$self->{DATA} = $data; |
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} |
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} else { |
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$self->_warn_about_unknown_directory($pps); |
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} |
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return; |
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} |
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sub _property_stream_header_length { return 8; } |
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1; |