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=head1 NAME
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Message::Tool -- Tools used with Message::* Perl Modules
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=head1 DESCRIPTION
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Useful functions that are intended to be used with Message::* Perl Modules.
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Note that there is Message::Util, very similar named module,
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but its functions are used by Message::* Perl Modules internally.
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=cut
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package Message::Tool;
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use strict;
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use vars qw($VERSION);
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$VERSION=do{my @r=(q$Revision: 1.1 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
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sub mail_downgrade ($%) {
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my $msg = shift;
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my %option = @_;
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my $hdr = $msg->header;
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## "<" in display-name of From: field
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my $from = $hdr->field ('from', -new_item_unless_exist => 0);
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## BUG: Non-ASCII 0x3A such as in JIS X 0208 are not supported.
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if (ref $from && $from->item (0, -by => 'index')->display_name =~ /</) {
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my $buggy = 0;
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my @to = @{ $option{destination} };
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## TODO: Support Resent-* fields
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@to = ($hdr->field ('to')->addr_spec,
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$hdr->field ('cc')->addr_spec,
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$hdr->field ('bcc')->addr_spec) unless @to > 0;
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for (@to) {
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$buggy = 1 if /\@jp-[a-z]\.ne\.jp$/i;
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}
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$from->item (0, -by => 'index')->option (output_display_name => 0) if $buggy;
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}
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}
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sub escape_from ($;%) {
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my $s = shift;
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my %option = @_;
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$option{-escape_first_line} = 1 unless defined $option{-escape_first_line};
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$s =~ s/^(>*From\x20)/>$1/gm;
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unless ($option{-escape_first_line}) {
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$s =~ s/^>(>*From\x20)/$1/;
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}
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$s;
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}
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sub unescape_from ($;%) {
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my $s = shift;
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my %option = @_;
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$option{-escape_first_line} = 1 unless defined $option{-escape_first_line};
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$s =~ s/^>(>*From\x20)/$1/gm;
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unless ($option{-escape_first_line}) {
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$s =~ s/^(>*From\x20)/>$1/;
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}
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$s;
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}
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=head1 LICENSE
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Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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=head1 CHANGE
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See F<ChangeLog>.
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$Date: 2002/07/26 12:42:00 $
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=cut
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