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#-*- perl -*-
#
# Copyright (C) 2008 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: Isolate.pm,v 1.1 2008/08/24 08:18:33 fukachan Exp $
#
package FML::Isolate;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD $count_ok);
use Carp;
=head1 NAME
FML::Isolate - manipulate isolated invalid(spam) mails.
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=head2 new()
constructor.
=cut
# Descriptions: constructor.
# Arguments: OBJ($self) OBJ($curproc)
# Side Effects: none.
# Return Value: OBJ
sub new
{
my ($self, $curproc) = @_;
my ($type) = ref($self) || $self;
my $me = { _curproc => $curproc };
return bless $me, $type;
}
=head2 rearrange()
rearrange isolated mails to a date based sub directory under
$isolated_queue_dir.
=cut
# Descriptions: rearrange isolated mails to a date based sub directory
# under $isolated_queue_dir.
# Arguments: OBJ($self)
# Side Effects: queue rearrnged.
# Return Value: none
sub rearrange
{
my ($self) = @_;
my ($curproc) = $self->{ _curproc };
my ($config) = $curproc->config();
my $queue_dir = $config->{ mail_queue_dir };
# 1. open the isolated queue.
use Mail::Delivery::Queue;
my $queue = new Mail::Delivery::Queue {
directory => $queue_dir,
};
# 2. list up isolated queue messages.
my $q_class = "isolated";
my $src_dir = $queue->local_dir_path($q_class);
my $qlist = $queue->list($q_class);
for my $qid (@$qlist) {
my $mtime = $queue->last_modified_time($qid);
my $dst_dir = $self->_rearranged_dir_name($mtime);
my $dst_key = $self->_rearranged_dir_key($mtime);
$self->_move_queue_file($qid, $src_dir, $dst_dir, $dst_key);
}
# 3. log.
for my $name (keys %$count_ok) {
my $c = $count_ok->{ $name };
$curproc->logdebug("isolate: $c messages moved to $name");
}
}
# Descriptions: return ARRAY_REF(YEAR, MON, DAY) on mtime.
# Arguments: OBJ($self) NUM($mtime)
# Side Effects: none
# Return Value: ARRAY_REF(NUM, NUM, NUM)
sub _get_mtime_info
{
my ($self, $mtime) = @_;
# get YYYY/MM/DD information from $mtime.
my ($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
my $r_year = sprintf("%04d", 1900 + $year);
my $r_mon = sprintf("%02d", $mon + 1);
my $r_day = sprintf("%02d", $mday);
# determine the directory path "$isolated_queue_dir/YYYY/MM/DD".
my (@data) = ($r_year, $r_mon, $r_day);
return \@data;
}
# Descriptions: return full-path dir name based on mtime.
# Arguments: OBJ($self) NUM($mtime)
# Side Effects: none
# Return Value: STR
sub _rearranged_dir_name
{
my ($self, $mtime) = @_;
my ($curproc) = $self->{ _curproc };
my ($config) = $curproc->config();
my $queue_dir = $config->{ isolated_queue_dir };
my ($mdata) = $self->_get_mtime_info($mtime);
my ($year, $mon, $day) = @$mdata;
# determine the directory path "$isolated_queue_dir/YYYY/MM/DD".
use File::Spec;
my $dir = File::Spec->catfile($queue_dir, $year, $mon, $day);
return $dir;
}
# Descriptions: return YYYY/MM/DD based on mtime.
# Arguments: OBJ($self) NUM($mtime)
# Side Effects: none
# Return Value: STR
sub _rearranged_dir_key
{
my ($self, $mtime) = @_;
my ($mdata) = $self->_get_mtime_info($mtime);
my ($year, $mon, $day) = @$mdata;
return sprintf("%04d/%02d/%02d", $year, $mon, $day);
}
# Descriptions: $qid is moved from $src_dir to $dst_dir.
# Arguments: OBJ($self) STR($qid) STR($src_dir) STR($dst_dir) STR($dst_key)
# Side Effects: $dst_dir created if not exists.
# $qid is moved from $src_dir to $dst_dir.
# Return Value: none
sub _move_queue_file
{
my ($self, $qid, $src_dir, $dst_dir, $dst_key) = @_;
my ($curproc) = $self->{ _curproc };
unless (-d $dst_dir) {
$curproc->mkdir($dst_dir);
}
use File::Spec;
my $src_q = File::Spec->catfile($src_dir, $qid);
my $dst_q = File::Spec->catfile($dst_dir, $qid);
# ASSERT
unless (-f $src_q) {
$curproc->logerror("isolate: no such queue: $qid");
return undef;
}
if (-f $dst_q) {
$curproc->logerror("isolate: already exists: $qid");
return undef;
}
# ok. go move !
if (-f $src_q && (! -f $dst_q)) {
if (rename($src_q, $dst_q)) {
$count_ok->{ $dst_key }++;
}
else {
$curproc->logerror("isolate: cannot move queue: $qid");
}
}
else {
$curproc->logerror("isolate: invalid condition: $qid");
}
}
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2008 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
FML::Isolate appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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