/usr/share/perl5/Mail/Message/Construct/Forward.pm is in libmail-box-perl 2.099-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.00.
use strict;
package Mail::Message;
use vars '$VERSION';
$VERSION = '2.099';
use Mail::Message::Body::Multipart;
use Mail::Message::Body::Nested;
use Scalar::Util 'blessed';
# tests in t/57forw1f.t
sub forward(@)
{ my $self = shift;
my %args = @_;
return $self->forwardNo(@_)
if exists $args{body};
my $include = $args{include} || 'INLINE';
return $self->forwardInline(@_) if $include eq 'INLINE';
my $preamble = $args{preamble};
push @_, preamble => Mail::Message::Body->new(data => $preamble)
if defined $preamble && ! ref $preamble;
return $self->forwardAttach(@_) if $include eq 'ATTACH';
return $self->forwardEncapsulate(@_) if $include eq 'ENCAPSULATE';
$self->log(ERROR => 'Cannot include forward source as $include.');
undef;
}
#------------------------------------------
sub forwardNo(@)
{ my ($self, %args) = @_;
my $body = $args{body};
$self->log(INTERNAL => "No body supplied for forwardNo()")
unless defined $body;
#
# Collect header info
#
my $mainhead = $self->toplevel->head;
# Where it comes from
my $from = $args{From};
unless(defined $from)
{ my @from = $self->to;
$from = \@from if @from;
}
# To whom to send
my $to = $args{To};
$self->log(ERROR => "No address to create forwarded to."), return
unless $to;
# Create a subject
my $srcsub = $args{Subject};
my $subject
= ! defined $srcsub ? $self->forwardSubject($self->subject)
: ref $srcsub ? $srcsub->($self->subject)
: $srcsub;
# Create a nice message-id
my $msgid = $args{'Message-ID'} || $mainhead->createMessageId;
$msgid = "<$msgid>" if $msgid && $msgid !~ /^\s*\<.*\>\s*$/;
# Thread information
my $origid = '<'.$self->messageId.'>';
my $refs = $mainhead->get('references');
my $forward = Mail::Message->buildFromBody
( $body
, From => ($from || '(undisclosed)')
, To => $to
, Subject => $subject
, References => ($refs ? "$refs $origid" : $origid)
);
my $newhead = $forward->head;
$newhead->set(Cc => $args{Cc} ) if $args{Cc};
$newhead->set(Bcc => $args{Bcc} ) if $args{Bcc};
$newhead->set(Date => $args{Date}) if $args{Date};
# Ready
$self->label(passed => 1);
$self->log(PROGRESS => "Forward created from $origid");
$forward;
}
#------------------------------------------
sub forwardInline(@)
{ my ($self, %args) = @_;
my $body = $self->body;
while(1) # simplify
{ if($body->isMultipart && $body->parts==1)
{ $body = $body->part(0)->body }
elsif($body->isNested) { $body = $body->nested->body }
else { last }
}
# Prelude must be a real body, otherwise concatenate will not work
my $prelude = exists $args{prelude} ? $args{prelude}
: $self->forwardPrelude;
$prelude = Mail::Message::Body->new(data => $prelude)
if defined $prelude && ! blessed $prelude;
# Postlude
my $postlude = exists $args{postlude} ? $args{postlude}
: $self->forwardPostlude;
# Binary bodies cannot be inlined, therefore they will be rewritten
# into a forwardAttach... preamble must replace prelude and postlude.
if($body->isMultipart || $body->isBinary)
{ $args{preamble} ||= $prelude->concatenate
( $prelude
, ($args{is_attached} || "[The forwarded message is attached]\n")
, $postlude
);
return $self->forwardAttach(%args);
}
$body = $body->decoded;
my $strip = (!exists $args{strip_signature} || $args{strip_signature})
&& !$body->isNested;
$body = $body->stripSignature
( pattern => $args{strip_signature}
, max_lines => $args{max_signature}
) if $strip;
if(defined(my $quote = $args{quote}))
{ my $quoting = ref $quote ? $quote : sub {$quote . $_};
$body = $body->foreachLine($quoting);
}
#
# Create the message.
#
my $signature = $args{signature};
$signature = $signature->body
if defined $signature && $signature->isa('Mail::Message');
my $composed = $body->concatenate
( $prelude, $body, $postlude
, (defined $signature ? "-- \n" : undef), $signature
);
$self->forwardNo(%args, body => $composed);
}
#------------------------------------------
sub forwardAttach(@)
{ my ($self, %args) = @_;
my $body = $self->body;
my $strip = !exists $args{strip_signature} || $args{strip_signature};
if($body->isMultipart)
{ $body = $body->stripSignature if $strip;
$body = $body->part(0)->body if $body->parts == 1;
}
my $preamble = $args{preamble};
$self->log(ERROR => 'Method forwardAttach requires a preamble'), return
unless ref $preamble;
my @parts = ($preamble, $body);
push @parts, $args{signature} if defined $args{signature};
my $multi = Mail::Message::Body::Multipart->new(parts => \@parts);
$self->forwardNo(%args, body => $multi);
}
#------------------------------------------
sub forwardEncapsulate(@)
{ my ($self, %args) = @_;
my $preamble = $args{preamble};
$self->log(ERROR => 'Method forwardEncapsulate requires a preamble'), return
unless ref $preamble;
my $nested= Mail::Message::Body::Nested->new(nested => $self->clone);
my @parts = ($preamble, $nested);
push @parts, $args{signature} if defined $args{signature};
my $multi = Mail::Message::Body::Multipart->new(parts => \@parts);
$self->forwardNo(%args, body => $multi);
}
#------------------------------------------
# tests in t/57forw0s.t
sub forwardSubject($)
{ my ($self, $subject) = @_;
defined $subject && length $subject ? "Forw: $subject" : "Forwarded";
}
#------------------------------------------
sub forwardPrelude()
{ my $head = shift->head;
my @lines = "---- BEGIN forwarded message\n";
my $from = $head->get('from');
my $to = $head->get('to');
my $cc = $head->get('cc');
my $date = $head->get('date');
push @lines, $from->string if defined $from;
push @lines, $to->string if defined $to;
push @lines, $cc->string if defined $cc;
push @lines, $date->string if defined $date;
push @lines, "\n";
\@lines;
}
#------------------------------------------
sub forwardPostlude()
{ my $self = shift;
my @lines = ("---- END forwarded message\n");
\@lines;
}
#------------------------------------------
#------------------------------------------
1;
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