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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/update_mailman_cache Copyright 2022 cPanel, L.L.C.
# All rights reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
package scripts::update_mailman_cache;
use strict;
use warnings;
use Cpanel::Config::LoadCpConf ();
use Cpanel::Config::Users ();
use Cpanel::CachedDataStore ();
use Cpanel::Mailman::Filesys ();
use Cpanel::DatastoreDir ();
use Cpanel::DatastoreDir::Init ();
use Cpanel::UserDatastore ();
use Cpanel::UserDatastore::Init ();
require Cpanel::Mailman::DiskUsage;
require Cpanel::Mailman::NameUtils;
require Cpanel::Config::FlushConfig;
require Cpanel::Config::LoadConfig;
require Cpanel::AcctUtils::DomainOwner::Tiny;
require Cpanel::PwCache;
require Cpanel::SafeFile;
require Cpanel::Finally;
require Cpanel::Timezones;
my $missing_info_mail_list = {};
my $MAILMAN_DISK_USAGE_REF = {};
my $MAILMAN_LIST_USAGE_REF = {};
my $message = undef;
my $alert_status = undef;
exit( __PACKAGE__->run(@ARGV) ) unless caller();
sub run { ## no critic qw(Subroutines::ProhibitExcessComplexity)
my ( $self, @args ) = @_;
# We call localtime quote a bit, lets make it a bit faster
local $ENV{'TZ'} = Cpanel::Timezones::calculate_TZ_env();
my $cpanel_conf = Cpanel::Config::LoadCpConf::loadcpconf_not_copy();
my $NEEDDISKUSED = exists $cpanel_conf->{'disk_usage_include_mailman'} ? $cpanel_conf->{'disk_usage_include_mailman'} : 1;
if ( !$NEEDDISKUSED ) {
clear_db_caches();
return 0;
}
my $datastore_path = Cpanel::DatastoreDir::Init::initialize();
my $missing_info_yaml_file = "$datastore_path/mailman_missing_info_mail_list.yaml";
my $mailman_list_usage_file = _mailman_list_usage_file();
my $mailman_disk_usage_file = _mailman_disk_usage_file();
my $progress_file = "$datastore_path/update_mailman_cache-in-progress";
my ( $user_to_rebuild, $list_to_rebuild ) = @args;
if ( $user_to_rebuild && !Cpanel::PwCache::getpwnam_noshadow($user_to_rebuild) ) {
die "Usage: $0 <user> [<list>]\n";
}
my $mmlock = Cpanel::SafeFile::safeopen( my $fh, '>', $progress_file );
if ( !$mmlock ) {
warn "Could not get a lock on '$progress_file': $!\n";
return 1;
}
my $finally = Cpanel::Finally->new( sub { unlink($progress_file); Cpanel::SafeFile::safeclose( $fh, $mmlock ); } );
$missing_info_mail_list = Cpanel::CachedDataStore::fetch_ref($missing_info_yaml_file);
$MAILMAN_LIST_USAGE_REF = Cpanel::CachedDataStore::fetch_ref($mailman_list_usage_file);
Cpanel::AcctUtils::DomainOwner::Tiny::build_domain_cache();
if ($user_to_rebuild) {
# load disk usage for all other users
$MAILMAN_DISK_USAGE_REF = Cpanel::Config::LoadConfig::loadConfig( $mailman_disk_usage_file, undef, ':\s+' );
# reset disk usage for current user ( will be computed later )
# need to be deleted from hash as we do not want to save 0 in disk-usage
delete $MAILMAN_DISK_USAGE_REF->{$user_to_rebuild};
}
my %SEEN_LISTS;
if ( opendir( my $list_dir_dh, Cpanel::Mailman::Filesys::MAILING_LISTS_DIR() ) ) {
my $listuser;
while ( my $list = readdir($list_dir_dh) ) {
next if index( $list, '.' ) == 0;
$SEEN_LISTS{$list} = 1;
if ( index( $list, '_' ) != -1 ) {
## takes advantage of the first .* being greedy; e.g. my_list_name_domain.com
## will appropriately split my_list_name and domain.com
my ( $listname, $listdomain ) = Cpanel::Mailman::NameUtils::parse_name($list);
$listuser = Cpanel::AcctUtils::DomainOwner::Tiny::getdomainowner( $listdomain, { 'default' => '' } );
}
else {
$listuser = '';
}
if ( !$listuser ) {
$listuser = 'root' if $list eq 'mailman';
}
if ( !$listuser ) {
# When detecting no listuser, only provide warning message once on the first time
# (The mailing list without the listuser info is added to the yaml file
# to prevent redundant notification on subsequent runs.)
$alert_status = 'provided message';
if ( !( exists( $missing_info_mail_list->{$list} ) && $missing_info_mail_list->{$list}->{'alert_status'} eq $alert_status ) ) {
$message = "Could not determine the list owner for mailman mailing list \"$list\"";
_warn_about_list_owner($message);
$missing_info_mail_list->{$list}->{'alert_status'} = $alert_status;
$missing_info_mail_list->{$list}->{'message'} = $message;
}
next;
}
# skip other users ( usage comes from previous file ) when a user is defined
if ( $user_to_rebuild && $listuser ne $user_to_rebuild ) { next; }
my $disk_used;
if ( exists $MAILMAN_LIST_USAGE_REF->{$listuser}{$list} && ( $list_to_rebuild && $list ne $list_to_rebuild ) ) {
# Use previous value if we are only rebuilding a specific list
$disk_used = $MAILMAN_LIST_USAGE_REF->{$listuser}{$list};
}
else {
$disk_used = Cpanel::Mailman::DiskUsage::get_mailman_archive_dir_disk_usage($list) + Cpanel::Mailman::DiskUsage::get_mailman_archive_dir_mbox_disk_usage($list) + Cpanel::Mailman::DiskUsage::get_mailman_list_dir_disk_usage($list);
$MAILMAN_LIST_USAGE_REF->{$listuser}{$list} = $disk_used;
}
$MAILMAN_DISK_USAGE_REF->{$listuser} += $disk_used;
}
if ( !Cpanel::CachedDataStore::store_ref( $missing_info_yaml_file, $missing_info_mail_list, { mode => 0600 } ) ) {
warn "Error: Unable to save yaml file \"$missing_info_yaml_file\". \n";
}
}
foreach my $user ( $user_to_rebuild ? ($user_to_rebuild) : Cpanel::Config::Users::getcpusers() ) {
my $user_datastore_path = Cpanel::UserDatastore::Init::initialize($user);
if ( my @deleted_lists = map { !$SEEN_LISTS{$_} } keys %{ $MAILMAN_LIST_USAGE_REF->{$user} } ) {
delete @SEEN_LISTS{@deleted_lists};
}
if ( !exists $MAILMAN_LIST_USAGE_REF->{$user} || !scalar keys %{ $MAILMAN_LIST_USAGE_REF->{$user} } ) {
delete $MAILMAN_LIST_USAGE_REF->{$user};
unlink $user_datastore_path . '/mailman-disk-usage', $user_datastore_path . '/mailman-list-usage';
next;
}
if ( open( my $disk_usage_fh, '>', $user_datastore_path . '/mailman-disk-usage' ) ) {
print {$disk_usage_fh} int( $MAILMAN_DISK_USAGE_REF->{$user} || 0 );
close($disk_usage_fh);
}
Cpanel::Config::FlushConfig::flushConfig( $user_datastore_path . '/mailman-list-usage', $MAILMAN_LIST_USAGE_REF->{$user}, ': ', undef, { perms => 0644 } );
}
my $umask = umask(0027);
Cpanel::Config::FlushConfig::flushConfig( $mailman_disk_usage_file, $MAILMAN_DISK_USAGE_REF, ': ', undef, { perms => 0600 } );
Cpanel::CachedDataStore::store_ref( $mailman_list_usage_file, $MAILMAN_LIST_USAGE_REF, { mode => 0600 } );
umask($umask);
return 0;
}
sub _mailman_list_usage_file {
my $datastore_path = Cpanel::DatastoreDir::PATH();
return "$datastore_path/mailman-list-usage.yaml";
}
sub _mailman_disk_usage_file {
my $datastore_path = Cpanel::DatastoreDir::PATH();
return "$datastore_path/mailman-disk-usage";
}
sub clear_db_caches {
my $datastore_path = Cpanel::DatastoreDir::PATH();
return if !-d $datastore_path;
foreach my $db ( _mailman_list_usage_file(), _mailman_disk_usage_file() ) {
unlink($db) if -e $db;
}
foreach my $user ( Cpanel::Config::Users::getcpusers() ) {
my $user_datastore_path = Cpanel::UserDatastore::get_path($user);
unlink grep { -e $_ } map { $user_datastore_path . '/' . $_ } ( 'mailman-list-usage', 'mailman-disk-usage' );
rmdir $user_datastore_path; # This should be safe, rmdir will fail if anything is left in the directory
}
return;
}
# stubbed out in tests to avoid spurious warnings
sub _warn_about_list_owner {
my ($message) = @_;
warn $message;
return;
}