--- /dev/null
+# $Header: /home/cvs/cvsroot/freeside/rt/lib/RT/Attachment.pm,v 1.1 2002-08-12 06:17:07 ivan Exp $
+# Copyright 2000 Jesse Vincent <jesse@fsck.com>
+# Released under the terms of the GNU Public License
+
+=head1 NAME
+
+ RT::Attachment -- an RT attachment object
+
+=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
+
+
+=begin testing
+
+ok (require RT::TestHarness);
+ok (require RT::Attachment);
+
+=end testing
+
+=cut
+
+package RT::Attachment;
+use RT::Record;
+use MIME::Base64;
+use vars qw|@ISA|;
+@ISA= qw(RT::Record);
+
+# {{{ sub _Init
+sub _Init {
+ my $self = shift;
+ $self->{'table'} = "Attachments";
+ return($self->SUPER::_Init(@_));
+}
+# }}}
+
+# {{{ sub _ClassAccessible
+sub _ClassAccessible {
+ {
+ TransactionId => { 'read'=>1, 'public'=>1, },
+ MessageId => { 'read'=>1, },
+ Parent => { 'read'=>1, },
+ ContentType => { 'read'=>1, },
+ Subject => { 'read'=>1, },
+ Content => { 'read'=>1, },
+ ContentEncoding => { 'read'=>1, },
+ Headers => { 'read'=>1, },
+ Filename => { 'read'=>1, },
+ Creator => { 'read'=>1, 'auto'=>1, },
+ Created => { 'read'=>1, 'auto'=>1, },
+ };
+}
+# }}}
+
+# {{{ sub TransactionObj
+
+=head2 TransactionObj
+
+Returns the transaction object asscoiated with this attachment.
+
+=cut
+
+sub TransactionObj {
+ require RT::Transaction;
+ my $self=shift;
+ unless (exists $self->{_TransactionObj}) {
+ $self->{_TransactionObj}=RT::Transaction->new($self->CurrentUser);
+ $self->{_TransactionObj}->Load($self->TransactionId);
+ }
+ return $self->{_TransactionObj};
+}
+
+# }}}
+
+# {{{ sub Create
+
+=head2 Create
+
+Create a new attachment. Takes a paramhash:
+
+ 'Attachment' Should be a single MIME body with optional subparts
+ 'Parent' is an optional Parent RT::Attachment object
+ 'TransactionId' is the mandatory id of the Transaction this attachment is associated with.;
+
+=cut
+
+sub Create {
+ my $self = shift;
+ my ($id);
+ 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
+ if ( $args{'TransactionId'} == 0) {
+ $RT::Logger->crit("RT::Attachment->Create couldn't, as you didn't specify a transaction\n");
+ return (0);
+
+ }
+
+ #If we possibly can, collapse it to a singlepart
+ $Attachment->make_singlepart;
+
+ #Get the subject
+ my $Subject = $Attachment->head->get('subject',0);
+ defined($Subject) or $Subject = '';
+ chomp($Subject);
+
+ #Get the filename
+ my $Filename = $Attachment->head->recommended_filename;
+
+ if ($Attachment->parts) {
+ $id = $self->SUPER::Create(TransactionId => $args{'TransactionId'},
+ Parent => 0,
+ ContentType => $Attachment->mime_type,
+ Headers => $Attachment->head->as_string,
+ Subject => $Subject,
+
+ );
+ foreach my $part ($Attachment->parts) {
+ my $SubAttachment = new RT::Attachment($self->CurrentUser);
+ $SubAttachment->Create(TransactionId => $args{'TransactionId'},
+ Parent => $id,
+ Attachment => $part,
+ ContentType => $Attachment->mime_type,
+ Headers => $Attachment->head->as_string(),
+
+ );
+ }
+ return ($id);
+ }
+
+
+ #If it's not multipart
+ else {
+
+ my $ContentEncoding = 'none';
+
+ my $Body = $Attachment->bodyhandle->as_string;
+
+ #get the max attachment length from RT
+ my $MaxSize = $RT::MaxAttachmentSize;
+
+ #if the current attachment contains nulls and the
+ #database doesn't support embedded nulls
+
+ if ( (! $RT::Handle->BinarySafeBLOBs) &&
+ ( $Body =~ /\x00/ ) ) {
+ # set a flag telling us to mimencode the attachment
+ $ContentEncoding = 'base64';
+
+ #cut the max attchment size by 25% (for mime-encoding overhead.
+ $RT::Logger->debug("Max size is $MaxSize\n");
+ $MaxSize = $MaxSize * 3/4;
+ }
+
+ #if the attachment is larger than the maximum size
+ if (($MaxSize) and ($MaxSize < length($Body))) {
+ # if we're supposed to truncate large attachments
+ if ($RT::TruncateLongAttachments) {
+ # truncate the attachment to that length.
+ $Body = substr ($Body, 0, $MaxSize);
+
+ }
+
+ # elsif we're supposed to drop large attachments on the floor,
+ elsif ($RT::DropLongAttachments) {
+ # drop the attachment on the floor
+ $RT::Logger->info("$self: Dropped an attachment of size ". length($Body).
+ "\n". "It started: ". substr($Body, 0, 60) . "\n");
+ return(undef);
+ }
+ }
+ # if we need to mimencode the attachment
+ if ($ContentEncoding eq 'base64') {
+ # base64 encode the attachment
+ $Body = MIME::Base64::encode_base64($Body);
+
+ }
+
+ my $id = $self->SUPER::Create(TransactionId => $args{'TransactionId'},
+ ContentType => $Attachment->mime_type,
+ ContentEncoding => $ContentEncoding,
+ Parent => $args{'Parent'},
+ Content => $Body,
+ Headers => $Attachment->head->as_string,
+ Subject => $Subject,
+ Filename => $Filename,
+ );
+ return ($id);
+ }
+}
+
+# }}}
+
+
+# {{{ sub Content
+
+=head2 Content
+
+Returns the attachment's content. if it's base64 encoded, decode it
+before returning it.
+
+=cut
+
+sub Content {
+ my $self = shift;
+ if ( $self->ContentEncoding eq 'none' || ! $self->ContentEncoding ) {
+ return $self->_Value('Content');
+ } elsif ( $self->ContentEncoding eq 'base64' ) {
+ return MIME::Base64::decode_base64($self->_Value('Content'));
+ } else {
+ return( "Unknown ContentEncoding ". $self->ContentEncoding);
+ }
+}
+
+
+# }}}
+
+# {{{ sub Children
+
+=head2 Children
+
+ Returns an RT::Attachments object which is preloaded with all Attachments objects with this Attachment\'s Id as their 'Parent'
+
+=cut
+
+sub Children {
+ my $self = shift;
+
+ my $kids = new RT::Attachments($self->CurrentUser);
+ $kids->ChildrenOf($self->Id);
+ return($kids);
+}
+
+# }}}
+
+# {{{ UTILITIES
+
+# {{{ sub Quote
+
+
+
+sub Quote {
+ my $self=shift;
+ my %args=(Reply=>undef, # Prefilled reply (i.e. from the KB/FAQ system)
+ @_);
+
+ my ($quoted_content, $body, $headers);
+ my $max=0;
+
+ # TODO: Handle Multipart/Mixed (eventually fix the link in the
+ # ShowHistory web template?)
+ if ($self->ContentType =~ m{^(text/plain|message)}i) {
+ $body=$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 $wrapper=new Text::Wrapper
+ (
+ columns => 70,
+ body_start => ($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);
+}
+# }}}
+
+# {{{ sub NiceHeaders - pulls out only the most relevant headers
+
+=head2 NiceHeaders
+
+Returns the To, From, Cc, Date and Subject headers.
+
+It is a known issue that this breaks if any of these headers are not
+properly unfolded.
+
+=cut
+
+sub NiceHeaders {
+ my $self=shift;
+ my $hdrs="";
+ for (split(/\n/,$self->Headers)) {
+ $hdrs.="$_\n" if /^(To|From|RT-Send-Cc|Cc|Date|Subject): /i
+ }
+ return $hdrs;
+}
+# }}}
+
+# {{{ sub Headers
+
+=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 seperated from the ticket update code by
+an abstraction barrier that makes it impossible to pass this data directly
+
+=cut
+
+sub Headers {
+ my $self = shift;
+ my $hdrs="";
+ for (split(/\n/,$self->SUPER::Headers)) {
+ $hdrs.="$_\n" unless /^(RT-Send-Bcc): /i
+ }
+ return $hdrs;
+}
+
+
+# }}}
+
+# {{{ sub GetHeader
+
+=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 $line (split(/\n/,$self->SUPER::Headers)) {
+ $RT::Logger->debug( "Does $line match $tag\n");
+ if ($line =~ /^$tag:\s+(.*)$/i) { #if we find the header, return its value
+ return ($1);
+ }
+ }
+
+ # we found no header. return an empty string
+ return undef;
+}
+# }}}
+
+# {{{ sub _Value
+
+=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($field, 'public')) {
+ #$RT::Logger->debug("Skipping ACL check for $field\n");
+ return($self->__Value($field));
+
+ }
+
+ #If it's a comment, we need to be extra special careful
+ elsif ( (($self->TransactionObj->CurrentUserHasRight('ShowTicketComments')) and
+ ($self->TransactionObj->Type eq 'Comment') ) or
+ ($self->TransactionObj->CurrentUserHasRight('ShowTicket'))) {
+
+ return($self->__Value($field));
+ }
+ #if they ain't got rights to see, don't let em
+ else {
+ return(undef);
+ }
+
+
+}
+
+# }}}
+
+# }}}
+
+1;
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