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=head1 SYNOPSIS

    use RT::Attachment;

=head1 DESCRIPTION

This module should never be instantiated directly by client code. it's an internal 
module which should only be instantiated through exported APIs in Ticket, Queue and other 
similar objects.

=head1 METHODS



=cut


package RT::Attachment;
use base 'RT::Record';

sub Table {'Attachments'}




use strict;
use warnings;


use RT::Transaction;
use MIME::Base64;
use MIME::QuotedPrint;

sub _OverlayAccessible {
  {
    TransactionId   => { 'read'=>1, 'public'=>1, 'write' => 0 },
    MessageId       => { 'read'=>1, 'write' => 0 },
    Parent          => { 'read'=>1, 'write' => 0 },
    ContentType     => { 'read'=>1, 'write' => 0 },
    Subject         => { 'read'=>1, 'write' => 0 },
    Content         => { 'read'=>1, 'write' => 0 },
    ContentEncoding => { 'read'=>1, 'write' => 0 },
    Headers         => { 'read'=>1, 'write' => 0 },
    Filename        => { 'read'=>1, 'write' => 0 },
    Creator         => { 'read'=>1, 'auto'=>1, },
    Created         => { 'read'=>1, 'auto'=>1, },
  };
}

=head2 Create

Create a new attachment. Takes a paramhash:
    
    'Attachment' Should be a single MIME body with optional subparts
    'Parent' is an optional id of the parent attachment
    'TransactionId' is the mandatory id of the transaction this attachment is associated with.;

=cut

sub Create {
    my $self = shift;
    my %args = ( id            => 0,
                 TransactionId => 0,
                 Parent        => 0,
                 Attachment    => undef,
                 @_ );

    # For ease of reference
    my $Attachment = $args{'Attachment'};

    # if we didn't specify a ticket, we need to bail
    unless ( $args{'TransactionId'} ) {
        $RT::Logger->crit( "RT::Attachment->Create couldn't, as you didn't specify a transaction" );
        return (0);
    }

    # If we possibly can, collapse it to a singlepart
    $Attachment->make_singlepart;

    # Get the subject
    my $Subject = $Attachment->head->get( 'subject', 0 );
    $Subject = '' unless defined $Subject;
    chomp $Subject;
    utf8::decode( $Subject ) unless utf8::is_utf8( $Subject );

    #Get the Message-ID
    my $MessageId = $Attachment->head->get( 'Message-ID', 0 );
    defined($MessageId) or $MessageId = '';
    chomp ($MessageId);
    $MessageId =~ s/^<(.*?)>$/$1/o;

    #Get the filename
    my $Filename = $Attachment->head->recommended_filename;
    # remove path part. 
    $Filename =~ s!.*/!! if $Filename;

    # MIME::Head doesn't support perl strings well and can return
    # octets which later will be double encoded in low-level code
    my $head = $Attachment->head->as_string;
    utf8::decode( $head ) unless utf8::is_utf8( $head );

    # If a message has no bodyhandle, that means that it has subparts (or appears to)
    # and we should act accordingly.  
    unless ( defined $Attachment->bodyhandle ) {
        my ($id) = $self->SUPER::Create(
            TransactionId => $args{'TransactionId'},
            Parent        => $args{'Parent'},
            ContentType   => $Attachment->mime_type,
            Headers       => $head,
            MessageId     => $MessageId,
            Subject       => $Subject,
        );

        unless ($id) {
            $RT::Logger->crit("Attachment insert failed - ". $RT::Handle->dbh->errstr);
        }

        foreach my $part ( $Attachment->parts ) {
            my $SubAttachment = RT::Attachment->new( $self->CurrentUser );
            my ($id) = $SubAttachment->Create(
                TransactionId => $args{'TransactionId'},
                Parent        => $id,
                Attachment    => $part,
            );
            unless ($id) {
                $RT::Logger->crit("Attachment insert failed: ". $RT::Handle->dbh->errstr);
            }
        }
        return ($id);
    }

    #If it's not multipart
    else {

        my ($ContentEncoding, $Body, $ContentType, $Filename) = $self->_EncodeLOB(
            $Attachment->bodyhandle->as_string,
            $Attachment->mime_type,
            $Filename
        );

        my $id = $self->SUPER::Create(
            TransactionId   => $args{'TransactionId'},
            ContentType     => $ContentType,
            ContentEncoding => $ContentEncoding,
            Parent          => $args{'Parent'},
            Headers         => $head,
            Subject         => $Subject,
            Content         => $Body,
            Filename        => $Filename,
            MessageId       => $MessageId,
        );

        unless ($id) {
            $RT::Logger->crit("Attachment insert failed: ". $RT::Handle->dbh->errstr);
        }
        return $id;
    }
}

=head2 Import

Create an attachment exactly as specified in the named parameters.

=cut

sub Import {
    my $self = shift;
    my %args = ( ContentEncoding => 'none', @_ );

    ( $args{'ContentEncoding'}, $args{'Content'} ) =
        $self->_EncodeLOB( $args{'Content'}, $args{'MimeType'} );

    return ( $self->SUPER::Create(%args) );
}

=head2 TransactionObj

Returns the transaction object asscoiated with this attachment.

=cut

sub TransactionObj {
    my $self = shift;

    unless ( $self->{_TransactionObj} ) {
        $self->{_TransactionObj} = RT::Transaction->new( $self->CurrentUser );
        $self->{_TransactionObj}->Load( $self->TransactionId );
    }

    unless ($self->{_TransactionObj}->Id) {
        $RT::Logger->crit(  "Attachment ". $self->id
                           ." can't find transaction ". $self->TransactionId
                           ." which it is ostensibly part of. That's bad");
    }
    return $self->{_TransactionObj};
}

=head2 ParentObj

Returns a parent's L<RT::Attachment> object if this attachment
has a parent, otherwise returns undef.

=cut

sub ParentObj {
    my $self = shift;
    return undef unless $self->Parent;

    my $parent = RT::Attachment->new( $self->CurrentUser );
    $parent->LoadById( $self->Parent );
    return $parent;
}

=head2 Children

Returns an L<RT::Attachments> object which is preloaded with
all attachments objects with this attachment\'s Id as their
C<Parent>.

=cut

sub Children {
    my $self = shift;
    
    my $kids = RT::Attachments->new( $self->CurrentUser );
    $kids->ChildrenOf( $self->Id );
    return($kids);
}

=head2 Content

Returns the attachment's content. if it's base64 encoded, decode it 
before returning it.

=cut

sub Content {
    my $self = shift;
    return $self->_DecodeLOB(
        $self->ContentType,
        $self->ContentEncoding,
        $self->_Value('Content', decode_utf8 => 0),
    );
}

=head2 OriginalContent

Returns the attachment's content as octets before RT's mangling.
Currently, this just means restoring text content back to its
original encoding.

=cut

sub OriginalContent {
    my $self = shift;

    return $self->Content unless RT::I18N::IsTextualContentType($self->ContentType);
    my $enc = $self->OriginalEncoding;

    my $content;
    if ( !$self->ContentEncoding || $self->ContentEncoding eq 'none' ) {
        $content = $self->_Value('Content', decode_utf8 => 0);
    } elsif ( $self->ContentEncoding eq 'base64' ) {
        $content = MIME::Base64::decode_base64($self->_Value('Content', decode_utf8 => 0));
    } elsif ( $self->ContentEncoding eq 'quoted-printable' ) {
        $content = MIME::QuotedPrint::decode($self->_Value('Content', decode_utf8 => 0));
    } else {
        return( $self->loc("Unknown ContentEncoding [_1]", $self->ContentEncoding));
    }

    # Turn *off* the SvUTF8 bits here so decode_utf8 and from_to below can work.
    local $@;
    Encode::_utf8_off($content);

    if (!$enc || $enc eq '' ||  $enc eq 'utf8' || $enc eq 'utf-8') {
        # If we somehow fail to do the decode, at least push out the raw bits
        eval { return( Encode::decode_utf8($content)) } || return ($content);
    }

    eval { Encode::from_to($content, 'utf8' => $enc) } if $enc;
    if ($@) {
        $RT::Logger->error("Could not convert attachment from assumed utf8 to '$enc' :".$@);
    }
    return $content;
}

=head2 OriginalEncoding

Returns the attachment's original encoding.

=cut

sub OriginalEncoding {
    my $self = shift;
    return $self->GetHeader('X-RT-Original-Encoding');
}

=head2 ContentLength

Returns length of L</Content> in bytes.

=cut

sub ContentLength {
    my $self = shift;

    return undef unless $self->TransactionObj->CurrentUserCanSee;

    my $len = $self->GetHeader('Content-Length');
    unless ( defined $len ) {
        use bytes;
        no warnings 'uninitialized';
        $len = length($self->Content) || 0;
        $self->SetHeader('Content-Length' => $len);
    }
    return $len;
}

=head2 Quote

=cut

sub Quote {
    my $self=shift;
    my %args=(Reply=>undef, # Prefilled reply (i.e. from the KB/FAQ system)
	      @_);

    my ($quoted_content, $body, $headers);
    my $max=0;

    # TODO: Handle Multipart/Mixed (eventually fix the link in the
    # ShowHistory web template?)
    if (RT::I18N::IsTextualContentType($self->ContentType)) {
	$body=$self->Content;

	# Do we need any preformatting (wrapping, that is) of the message?

	# Remove quoted signature.
	$body =~ s/\n-- \n(.*)$//s;

	# What's the longest line like?
	foreach (split (/\n/,$body)) {
	    $max=length if ( length > $max);
	}

	if ($max>76) {
	    require Text::Wrapper;
	    my $wrapper = Text::Wrapper->new
		(
		 columns => 70, 
		 body_start => ($max > 70*3 ? '   ' : ''),
		 par_start => ''
		 );
	    $body=$wrapper->wrap($body);
	}

	$body =~ s/^/> /gm;

	$body = '[' . $self->TransactionObj->CreatorObj->Name() . ' - ' . $self->TransactionObj->CreatedAsString()
	            . "]:\n\n"
   	        . $body . "\n\n";

    } else {
	$body = "[Non-text message not quoted]\n\n";
    }
    
    $max=60 if $max<60;
    $max=70 if $max>78;
    $max+=2;

    return (\$body, $max);
}

=head2 ContentAsMIME

Returns MIME entity built from this attachment.

=cut

sub ContentAsMIME {
    my $self = shift;

    my $entity = MIME::Entity->new();
    foreach my $header ($self->SplitHeaders) {
        my ($h_key, $h_val) = split /:/, $header, 2;
        $entity->head->add( $h_key, RT::Interface::Email::EncodeToMIME( String => $h_val ) );
    }
    
    # since we want to return original content, let's use original encoding
    $entity->head->mime_attr(
        "Content-Type.charset" => $self->OriginalEncoding )
      if $self->OriginalEncoding;

    use MIME::Body;
    $entity->bodyhandle(
        MIME::Body::Scalar->new( $self->OriginalContent )
    );

    return $entity;
}


=head2 Addresses

Returns a hashref of all addresses related to this attachment.
The keys of the hash are C<From>, C<To>, C<Cc>, C<Bcc>, C<RT-Send-Cc>
and C<RT-Send-Bcc>. The values are references to lists of
L<Email::Address> objects.

=cut

sub Addresses {
    my $self = shift;

    my %data = ();
    my $current_user_address = lc $self->CurrentUser->EmailAddress;
    foreach my $hdr (qw(From To Cc Bcc RT-Send-Cc RT-Send-Bcc)) {
        my @Addresses;
        my $line = $self->GetHeader($hdr);
        
        foreach my $AddrObj ( Email::Address->parse( $line )) {
            my $address = $AddrObj->address;
            $address = lc RT::User->CanonicalizeEmailAddress($address);
            next if $current_user_address eq $address;
            next if RT::EmailParser->IsRTAddress($address);
            push @Addresses, $AddrObj ;
        }
        $data{$hdr} = \@Addresses;
    }
    return \%data;
}

=head2 NiceHeaders

Returns a multi-line string of the To, From, Cc, Date and Subject headers.

=cut

sub NiceHeaders {
    my $self = shift;
    my $hdrs = "";
    my @hdrs = $self->_SplitHeaders;
    while (my $str = shift @hdrs) {
	    next unless $str =~ /^(To|From|RT-Send-Cc|Cc|Bcc|Date|Subject):/i;
	    $hdrs .= $str . "\n";
	    $hdrs .= shift( @hdrs ) . "\n" while ($hdrs[0] =~ /^[ \t]+/);
    }
    return $hdrs;
}

=head2 Headers

Returns this object's headers as a string.  This method specifically
removes the RT-Send-Bcc: header, so as to never reveal to whom RT sent a Bcc.
We need to record the RT-Send-Cc and RT-Send-Bcc values so that we can actually send
out mail. The mailing rules are separated from the ticket update code by
an abstraction barrier that makes it impossible to pass this data directly.

=cut

sub Headers {
    return join("\n", $_[0]->SplitHeaders);
}

=head2 EncodedHeaders

Takes encoding as argument and returns the attachment's headers as octets in encoded
using the encoding.

This is not protection using quoted printable or base64 encoding.

=cut

sub EncodedHeaders {
    my $self = shift;
    my $encoding = shift || 'utf8';
    return Encode::encode( $encoding, $self->Headers );
}

=head2 GetHeader $TAG

Returns the value of the header Tag as a string. This bypasses the weeding out
done in Headers() above.

=cut

sub GetHeader {
    my $self = shift;
    my $tag = shift;
    foreach my $line ($self->_SplitHeaders) {
        next unless $line =~ /^\Q$tag\E:\s+(.*)$/si;

        #if we find the header, return its value
        return ($1);
    }
    
    # we found no header. return an empty string
    return undef;
}

=head2 DelHeader $TAG

Delete a field from the attachment's headers.

=cut

sub DelHeader {
    my $self = shift;
    my $tag = shift;

    my $newheader = '';
    foreach my $line ($self->_SplitHeaders) {
        next if $line =~ /^\Q$tag\E:\s+(.*)$/is;
	$newheader .= "$line\n";
    }
    return $self->__Set( Field => 'Headers', Value => $newheader);
}

=head2 AddHeader $TAG, $VALUE, ...

Add one or many fields to the attachment's headers.

=cut

sub AddHeader {
    my $self = shift;

    my $newheader = $self->__Value( 'Headers' );
    while ( my ($tag, $value) = splice @_, 0, 2 ) {
        $value = '' unless defined $value;
        $value =~ s/\s+$//s;
        $value =~ s/\r+\n/\n /g;
        $newheader .= "$tag: $value\n";
    }
    return $self->__Set( Field => 'Headers', Value => $newheader);
}

=head2 SetHeader ( 'Tag', 'Value' )

Replace or add a Header to the attachment's headers.

=cut

sub SetHeader {
    my $self = shift;
    my $tag = shift;

    my $newheader = '';
    foreach my $line ($self->_SplitHeaders) {
        if (defined $tag and $line =~ /^\Q$tag\E:\s+(.*)$/i) {
	    $newheader .= "$tag: $_[0]\n";
	    undef $tag;
        }
	else {
	    $newheader .= "$line\n";
	}
    }

    $newheader .= "$tag: $_[0]\n" if defined $tag;
    $self->__Set( Field => 'Headers', Value => $newheader);
}

=head2 SplitHeaders

Returns an array of this attachment object's headers, with one header 
per array entry. Multiple lines are folded.

B<Never> returns C<RT-Send-Bcc> field.

=cut

sub SplitHeaders {
    my $self = shift;
    return (grep !/^RT-Send-Bcc/i, $self->_SplitHeaders(@_) );
}

=head2 _SplitHeaders

Returns an array of this attachment object's headers, with one header 
per array entry. multiple lines are folded.


=cut

sub _SplitHeaders {
    my $self = shift;
    my $headers = (shift || $self->_Value('Headers'));
    my @headers;
    for (split(/\n(?=\w|\z)/,$headers)) {
        push @headers, $_;

    }
    return(@headers);
}


sub Encrypt {
    my $self = shift;

    my $txn = $self->TransactionObj;
    return (0, $self->loc('Permission Denied')) unless $txn->CurrentUserCanSee;
    return (0, $self->loc('Permission Denied'))
        unless $txn->TicketObj->CurrentUserHasRight('ModifyTicket');
    return (0, $self->loc('GnuPG integration is disabled'))
        unless RT->Config->Get('GnuPG')->{'Enable'};
    return (0, $self->loc('Attachments encryption is disabled'))
        unless RT->Config->Get('GnuPG')->{'AllowEncryptDataInDB'};

    require RT::Crypt::GnuPG;

    my $type = $self->ContentType;
    if ( $type =~ /^x-application-rt\/gpg-encrypted/i ) {
        return (1, $self->loc('Already encrypted'));
    } elsif ( $type =~ /^multipart\//i ) {
        return (1, $self->loc('No need to encrypt'));
    } else {
        $type = qq{x-application-rt\/gpg-encrypted; original-type="$type"};
    }

    my $queue = $txn->TicketObj->QueueObj;
    my $encrypt_for;
    foreach my $address ( grep $_,
        $queue->CorrespondAddress,
        $queue->CommentAddress,
        RT->Config->Get('CorrespondAddress'),
        RT->Config->Get('CommentAddress'),
    ) {
        my %res = RT::Crypt::GnuPG::GetKeysInfo( $address, 'private' );
        next if $res{'exit_code'} || !$res{'info'};
        %res = RT::Crypt::GnuPG::GetKeysForEncryption( $address );
        next if $res{'exit_code'} || !$res{'info'};
        $encrypt_for = $address;
    }
    unless ( $encrypt_for ) {
        return (0, $self->loc('No key suitable for encryption'));
    }

    $self->__Set( Field => 'ContentType', Value => $type );
    $self->SetHeader( 'Content-Type' => $type );

    my $content = $self->Content;
    my %res = RT::Crypt::GnuPG::SignEncryptContent(
        Content => \$content,
        Sign => 0,
        Encrypt => 1,
        Recipients => [ $encrypt_for ],
    );
    if ( $res{'exit_code'} ) {
        return (0, $self->loc('GnuPG error. Contact with administrator'));
    }

    my ($status, $msg) = $self->__Set( Field => 'Content', Value => $content );
    unless ( $status ) {
        return ($status, $self->loc("Couldn't replace content with encrypted data: [_1]", $msg));
    }
    return (1, $self->loc('Successfuly encrypted data'));
}

sub Decrypt {
    my $self = shift;

    my $txn = $self->TransactionObj;
    return (0, $self->loc('Permission Denied')) unless $txn->CurrentUserCanSee;
    return (0, $self->loc('Permission Denied'))
        unless $txn->TicketObj->CurrentUserHasRight('ModifyTicket');
    return (0, $self->loc('GnuPG integration is disabled'))
        unless RT->Config->Get('GnuPG')->{'Enable'};

    require RT::Crypt::GnuPG;

    my $type = $self->ContentType;
    if ( $type =~ /^x-application-rt\/gpg-encrypted/i ) {
        ($type) = ($type =~ /original-type="(.*)"/i);
        $type ||= 'application/octeat-stream';
    } else {
        return (1, $self->loc('Is not encrypted'));
    }
    $self->__Set( Field => 'ContentType', Value => $type );
    $self->SetHeader( 'Content-Type' => $type );

    my $content = $self->Content;
    my %res = RT::Crypt::GnuPG::DecryptContent( Content => \$content, );
    if ( $res{'exit_code'} ) {
        return (0, $self->loc('GnuPG error. Contact with administrator'));
    }

    my ($status, $msg) = $self->__Set( Field => 'Content', Value => $content );
    unless ( $status ) {
        return ($status, $self->loc("Couldn't replace content with decrypted data: [_1]", $msg));
    }
    return (1, $self->loc('Successfuly decrypted data'));
}

=head2 _Value

Takes the name of a table column.
Returns its value as a string, if the user passes an ACL check

=cut

sub _Value {
    my $self  = shift;
    my $field = shift;

    #if the field is public, return it.
    if ( $self->_Accessible( $field, 'public' ) ) {
        return ( $self->__Value( $field, @_ ) );
    }

    return undef unless $self->TransactionObj->CurrentUserCanSee;
    return $self->__Value( $field, @_ );
}

# Transactions don't change. by adding this cache congif directiove,
# we don't lose pathalogically on long tickets.
sub _CacheConfig {
    {
        'cache_p'       => 1,
        'fast_update_p' => 1,
        'cache_for_sec' => 180,
    }
}




=head2 id

Returns the current value of id.
(In the database, id is stored as int(11).)


=cut


=head2 TransactionId

Returns the current value of TransactionId.
(In the database, TransactionId is stored as int(11).)



=head2 SetTransactionId VALUE


Set TransactionId to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, TransactionId will be stored as a int(11).)


=cut


=head2 Parent

Returns the current value of Parent.
(In the database, Parent is stored as int(11).)



=head2 SetParent VALUE


Set Parent to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, Parent will be stored as a int(11).)


=cut


=head2 MessageId

Returns the current value of MessageId.
(In the database, MessageId is stored as varchar(160).)



=head2 SetMessageId VALUE


Set MessageId to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, MessageId will be stored as a varchar(160).)


=cut


=head2 Subject

Returns the current value of Subject.
(In the database, Subject is stored as varchar(255).)



=head2 SetSubject VALUE


Set Subject to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, Subject will be stored as a varchar(255).)


=cut


=head2 Filename

Returns the current value of Filename.
(In the database, Filename is stored as varchar(255).)



=head2 SetFilename VALUE


Set Filename to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, Filename will be stored as a varchar(255).)


=cut


=head2 ContentType

Returns the current value of ContentType.
(In the database, ContentType is stored as varchar(80).)



=head2 SetContentType VALUE


Set ContentType to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, ContentType will be stored as a varchar(80).)


=cut


=head2 ContentEncoding

Returns the current value of ContentEncoding.
(In the database, ContentEncoding is stored as varchar(80).)



=head2 SetContentEncoding VALUE


Set ContentEncoding to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, ContentEncoding will be stored as a varchar(80).)


=cut


=head2 Content

Returns the current value of Content.
(In the database, Content is stored as longblob.)



=head2 SetContent VALUE


Set Content to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, Content will be stored as a longblob.)


=cut


=head2 Headers

Returns the current value of Headers.
(In the database, Headers is stored as longtext.)



=head2 SetHeaders VALUE


Set Headers to VALUE.
Returns (1, 'Status message') on success and (0, 'Error Message') on failure.
(In the database, Headers will be stored as a longtext.)


=cut


=head2 Creator

Returns the current value of Creator.
(In the database, Creator is stored as int(11).)


=cut


=head2 Created

Returns the current value of Created.
(In the database, Created is stored as datetime.)


=cut



sub _CoreAccessible {
    {

        id =>
		{read => 1, sql_type => 4, length => 11,  is_blob => 0,  is_numeric => 1,  type => 'int(11)', default => ''},
        TransactionId =>
		{read => 1, write => 1, sql_type => 4, length => 11,  is_blob => 0,  is_numeric => 1,  type => 'int(11)', default => ''},
        Parent =>
		{read => 1, write => 1, sql_type => 4, length => 11,  is_blob => 0,  is_numeric => 1,  type => 'int(11)', default => '0'},
        MessageId =>
		{read => 1, write => 1, sql_type => 12, length => 160,  is_blob => 0,  is_numeric => 0,  type => 'varchar(160)', default => ''},
        Subject =>
		{read => 1, write => 1, sql_type => 12, length => 255,  is_blob => 0,  is_numeric => 0,  type => 'varchar(255)', default => ''},
        Filename =>
		{read => 1, write => 1, sql_type => 12, length => 255,  is_blob => 0,  is_numeric => 0,  type => 'varchar(255)', default => ''},
        ContentType =>
		{read => 1, write => 1, sql_type => 12, length => 80,  is_blob => 0,  is_numeric => 0,  type => 'varchar(80)', default => ''},
        ContentEncoding =>
		{read => 1, write => 1, sql_type => 12, length => 80,  is_blob => 0,  is_numeric => 0,  type => 'varchar(80)', default => ''},
        Content =>
		{read => 1, write => 1, sql_type => -4, length => 0,  is_blob => 1,  is_numeric => 0,  type => 'longblob', default => ''},
        Headers =>
		{read => 1, write => 1, sql_type => -4, length => 0,  is_blob => 1,  is_numeric => 0,  type => 'longtext', default => ''},
        Creator =>
		{read => 1, auto => 1, sql_type => 4, length => 11,  is_blob => 0,  is_numeric => 1,  type => 'int(11)', default => '0'},
        Created =>
		{read => 1, auto => 1, sql_type => 11, length => 0,  is_blob => 0,  is_numeric => 0,  type => 'datetime', default => ''},

 }
};

RT::Base->_ImportOverlays();

1;
