222 lines
8.1 KiB
Perl
222 lines
8.1 KiB
Perl
package Sisimai::Bite::Email::OpenSMTPD;
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use parent 'Sisimai::Bite::Email';
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use feature ':5.10';
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use strict;
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use warnings;
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my $Indicators = __PACKAGE__->INDICATORS;
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my $StartingOf = {
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# http://www.openbsd.org/cgi-bin/man.cgi?query=smtpd&sektion=8
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# opensmtpd-5.4.2p1/smtpd/
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# bounce.c/317:#define NOTICE_INTRO \
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# bounce.c/318: " Hi!\n\n" \
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# bounce.c/319: " This is the MAILER-DAEMON, please DO NOT REPLY to this e-mail.\n"
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# bounce.c/320:
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# bounce.c/321:const char *notice_error =
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# bounce.c/322: " An error has occurred while attempting to deliver a message for\n"
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# bounce.c/323: " the following list of recipients:\n\n";
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# bounce.c/324:
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# bounce.c/325:const char *notice_warning =
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# bounce.c/326: " A message is delayed for more than %s for the following\n"
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# bounce.c/327: " list of recipients:\n\n";
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# bounce.c/328:
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# bounce.c/329:const char *notice_warning2 =
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# bounce.c/330: " Please note that this is only a temporary failure report.\n"
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# bounce.c/331: " The message is kept in the queue for up to %s.\n"
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# bounce.c/332: " You DO NOT NEED to re-send the message to these recipients.\n\n";
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# bounce.c/333:
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# bounce.c/334:const char *notice_success =
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# bounce.c/335: " Your message was successfully delivered to these recipients.\n\n";
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# bounce.c/336:
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# bounce.c/337:const char *notice_relay =
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# bounce.c/338: " Your message was relayed to these recipients.\n\n";
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# bounce.c/339:
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'message' => [' This is the MAILER-DAEMON, please DO NOT REPLY to this'],
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'rfc822' => [' Below is a copy of the original message:'],
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};
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my $MessagesOf = {
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# smtpd/queue.c:221| envelope_set_errormsg(&evp, "Envelope expired");
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'expired' => ['Envelope expired'],
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'hostunknown' => [
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# smtpd/mta.c:976| relay->failstr = "Invalid domain name";
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# smtpd/mta.c:980| relay->failstr = "Domain does not exist";
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'Invalid domain name',
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'Domain does not exist',
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],
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# smtp/mta.c:1085| relay->failstr = "Destination seem to reject all mails";
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'notaccept' => ['Destination seem to reject all mails'],
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'networkerror'=> [
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# smtpd/mta.c:972| relay->failstr = "Temporary failure in MX lookup";
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'Address family mismatch on destination MXs',
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'All routes to destination blocked',
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'bad DNS lookup error code',
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'Could not retrieve source address',
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'Loop detected',
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'Network error on destination MXs',
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'No MX found for domain',
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'No MX found for destination',
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'No valid route to remote MX',
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'No valid route to destination',
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'Temporary failure in MX lookup',
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],
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# smtpd/mta.c:1013| relay->failstr = "Could not retrieve credentials";
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'securityerror' => ['Could not retrieve credentials'],
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};
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sub description { 'OpenSMTPD' }
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sub scan {
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# Detect an error from OpenSMTPD
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# @param [Hash] mhead Message headers of a bounce email
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# @options mhead [String] from From header
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# @options mhead [String] date Date header
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# @options mhead [String] subject Subject header
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# @options mhead [Array] received Received headers
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# @options mhead [String] others Other required headers
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# @param [String] mbody Message body of a bounce email
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# @return [Hash, Undef] Bounce data list and message/rfc822 part
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# or Undef if it failed to parse or the
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# arguments are missing
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# @since v4.0.0
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my $class = shift;
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my $mhead = shift // return undef;
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my $mbody = shift // return undef;
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return undef unless index($mhead->{'subject'}, 'Delivery status notification') > -1;
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return undef unless index($mhead->{'from'}, 'Mailer Daemon <') > -1;
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return undef unless grep { rindex($_, ' (OpenSMTPD) with ') > -1 } @{ $mhead->{'received'} };
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS];
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my @hasdivided = split("\n", $$mbody);
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my $rfc822part = ''; # (String) message/rfc822-headers part
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my $rfc822list = []; # (Array) Each line in message/rfc822 part string
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my $blanklines = 0; # (Integer) The number of blank lines
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my $readcursor = 0; # (Integer) Points the current cursor position
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my $recipients = 0; # (Integer) The number of 'Final-Recipient' header
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my $v = undef;
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for my $e ( @hasdivided ) {
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# Read each line between the start of the message and the start of rfc822 part.
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unless( $readcursor ) {
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# Beginning of the bounce message or delivery status part
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if( index($e, $StartingOf->{'message'}->[0]) > -1 ) {
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$readcursor |= $Indicators->{'deliverystatus'};
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next;
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}
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}
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unless( $readcursor & $Indicators->{'message-rfc822'} ) {
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# Beginning of the original message part
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if( index($e, $StartingOf->{'rfc822'}->[0]) > -1 ) {
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$readcursor |= $Indicators->{'message-rfc822'};
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next;
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}
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}
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if( $readcursor & $Indicators->{'message-rfc822'} ) {
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# After "message/rfc822"
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unless( length $e ) {
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$blanklines++;
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last if $blanklines > 1;
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next;
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}
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push @$rfc822list, $e;
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} else {
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# Before "message/rfc822"
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next unless $readcursor & $Indicators->{'deliverystatus'};
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next unless length $e;
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# Hi!
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#
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# This is the MAILER-DAEMON, please DO NOT REPLY to this e-mail.
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#
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# An error has occurred while attempting to deliver a message for
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# the following list of recipients:
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#
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# kijitora@example.jp: 550 5.2.2 <kijitora@example>... Mailbox Full
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#
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# Below is a copy of the original message:
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$v = $dscontents->[-1];
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if( $e =~ /\A([^ ]+?[@][^ ]+?):?[ ](.+)\z/ ) {
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# kijitora@example.jp: 550 5.2.2 <kijitora@example>... Mailbox Full
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if( $v->{'recipient'} ) {
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# There are multiple recipient addresses in the message body.
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
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$v = $dscontents->[-1];
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}
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$v->{'recipient'} = $1;
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$v->{'diagnosis'} = $2;
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$recipients++;
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}
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} # End of if: rfc822
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}
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return undef unless $recipients;
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for my $e ( @$dscontents ) {
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$e->{'agent'} = __PACKAGE__->smtpagent;
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
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SESSION: for my $r ( keys %$MessagesOf ) {
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# Verify each regular expression of session errors
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next unless grep { index($e->{'diagnosis'}, $_) > -1 } @{ $MessagesOf->{ $r } };
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$e->{'reason'} = $r;
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last;
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}
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}
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$rfc822part = Sisimai::RFC5322->weedout($rfc822list);
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return { 'ds' => $dscontents, 'rfc822' => $$rfc822part };
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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Sisimai::Bite::Email::OpenSMTPD - bounce mail parser class for C<OpenSMTPD>.
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=head1 SYNOPSIS
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use Sisimai::Bite::Email::OpenSMTPD;
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=head1 DESCRIPTION
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Sisimai::Bite::Email::OpenSMTPD parses a bounce email which created by C<OpenSMTPD>.
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Methods in the module are called from only Sisimai::Message.
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=head1 CLASS METHODS
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=head2 C<B<description()>>
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C<description()> returns description string of this module.
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print Sisimai::Bite::Email::OpenSMTPD->description;
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=head2 C<B<smtpagent()>>
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C<smtpagent()> returns MTA name.
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print Sisimai::Bite::Email::OpenSMTPD->smtpagent;
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=head2 C<B<scan(I<header data>, I<reference to body string>)>>
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C<scan()> method parses a bounced email and return results as a array reference.
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See Sisimai::Message for more details.
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=head1 AUTHOR
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azumakuniyuki
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=head1 COPYRIGHT
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Copyright (C) 2014-2018 azumakuniyuki, All rights reserved.
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=head1 LICENSE
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This software is distributed under The BSD 2-Clause License.
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=cut
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