/usr/share/perl5/Mail/Message/Construct/Reply.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';
$VERSION = '2.099';
use Mail::Message::Body::Multipart;
use Mail::Address;
use Scalar::Util 'blessed';
# tests in t/55reply1r.t, demo in the examples/ directory
sub reply(@)
{ my ($self, %args) = @_;
my $body = $args{body};
my $strip = !exists $args{strip_signature} || $args{strip_signature};
my $include = $args{include} || 'INLINE';
if($include eq 'NO')
{ # Throw away real body.
$body = Mail::Message::Body->new
(data => ["\n[The original message is not included]\n\n"])
unless defined $body;
}
elsif($include eq 'INLINE' || $include eq 'ATTACH')
{
unless(defined $body)
{ # text attachment
$body = $self->body;
$body = $body->part(0)->body if $body->isMultipart && $body->parts==1;
$body = $body->nested->body if $body->isNested;
$body
= $strip && ! $body->isMultipart && !$body->isBinary
? $body->decoded->stripSignature
( pattern => $args{strip_signature}
, max_lines => $args{max_signature}
)
: $body->decoded;
}
if($include eq 'INLINE' && $body->isMultipart) { $include = 'ATTACH' }
elsif($include eq 'INLINE' && $body->isBinary)
{ $include = 'ATTACH';
$body = Mail::Message::Body::Multipart->new(parts => [$body]);
}
if($include eq 'INLINE')
{ my $quote
= defined $args{quote} ? $args{quote}
: exists $args{quote} ? undef
: '> ';
if(defined $quote)
{ my $quoting = ref $quote ? $quote : sub {$quote . $_};
$body = $body->foreachLine($quoting);
}
}
}
else
{ $self->log(ERROR => "Cannot include reply source as $include.");
return;
}
#
# Collect header info
#
my $mainhead = $self->toplevel->head;
# Where it comes from
my $from = delete $args{From};
unless(defined $from)
{ my @from = $self->to;
$from = \@from if @from;
}
# To whom to send
my $to = delete $args{To}
|| $mainhead->get('reply-to') || $mainhead->get('from');
defined $to or return;
# Add Cc
my $cc = delete $args{Cc};
if(!defined $cc && $args{group_reply})
{ my @cc = $self->cc;
$cc = [ $self->cc ] if @cc;
}
# Create a subject
my $srcsub = delete $args{Subject};
my $subject
= ! defined $srcsub ? $self->replySubject($self->subject)
: ref $srcsub ? $srcsub->($self->subject)
: $srcsub;
# Create a nice message-id
my $msgid = delete $args{'Message-ID'};
$msgid = "<$msgid>" if $msgid && $msgid !~ /^\s*\<.*\>\s*$/;
# Thread information
my $origid = '<'.$self->messageId.'>';
my $refs = $mainhead->get('references');
# Prelude
my $prelude
= defined $args{prelude} ? $args{prelude}
: exists $args{prelude} ? undef
: [ $self->replyPrelude($to) ];
$prelude = Mail::Message::Body->new(data => $prelude)
if defined $prelude && ! blessed $prelude;
my $postlude = $args{postlude};
$postlude = Mail::Message::Body->new(data => $postlude)
if defined $postlude && ! blessed $postlude;
#
# Create the message.
#
my $total;
if($include eq 'NO') {$total = $body}
elsif($include eq 'INLINE')
{ my $signature = $args{signature};
$signature = $signature->body
if defined $signature && $signature->isa('Mail::Message');
$total = $body->concatenate
( $prelude, $body, $postlude
, (defined $signature ? "-- \n" : undef), $signature
);
}
if($include eq 'ATTACH')
{
my $intro = $prelude->concatenate
( $prelude
, [ "\n", "[Your message is attached]\n" ]
, $postlude
);
$total = Mail::Message::Body::Multipart->new
( parts => [ $intro, $body, $args{signature} ]
);
}
my $msgtype = $args{message_type} || 'Mail::Message';
my $reply = $msgtype->buildFromBody
( $total
, From => $from || 'Undisclosed senders:;'
, To => $to
, Subject => $subject
, 'In-Reply-To' => $origid
, References => ($refs ? "$refs $origid" : $origid)
);
my $newhead = $reply->head;
$newhead->set(Cc => $cc) if $cc;
$newhead->set(Bcc => delete $args{Bcc}) if $args{Bcc};
$newhead->add($_ => $args{$_})
for sort grep /^[A-Z]/, keys %args;
# Ready
$self->log(PROGRESS => 'Reply created from '.$origid);
$self->label(replied => 1);
$reply;
}
#------------------------------------------
# tests in t/35reply1rs.t
sub replySubject($)
{ my ($thing, $subject) = @_;
$subject = 'your mail' unless defined $subject && length $subject;
my @subject = split /\:/, $subject;
my $re_count = 1;
# Strip multiple Re's from the start.
while(@subject)
{ last if $subject[0] =~ /[A-QS-Za-qs-z][A-DF-Za-df-z]/;
for(shift @subject)
{ while( /\bRe(?:\[\s*(\d+)\s*\]|\b)/g )
{ $re_count += defined $1 ? $1 : 1;
}
}
}
# Strip multiple Re's from the end.
if(@subject)
{ for($subject[-1])
{ $re_count++ while s/\s*\(\s*(re|forw)\W*\)\s*$//i;
}
}
# Create the new subject string.
my $text = (join ':', @subject) || 'your mail';
for($text)
{ s/^\s+//;
s/\s+$//;
}
$re_count==1 ? "Re: $text" : "Re[$re_count]: $text";
}
#------------------------------------------
sub replyPrelude($)
{ my ($self, $who) = @_;
$who = $who->[0] if ref $who eq 'ARRAY';
my $user
= !defined $who ? undef
: !ref $who ? (Mail::Address->parse($who))[0]
: $who->isa('Mail::Message::Field') ? ($who->addresses)[0]
: $who;
my $from
= ref $user && $user->isa('Mail::Address')
? ($user->name || $user->address || $user->format)
: 'someone';
my $time = gmtime $self->timestamp;
"On $time, $from wrote:\n";
}
1;
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