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Şuanki Dosya : //scripts/refresh-dkim-validity-cache |
#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/refresh-dkim-validity-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
#----------------------------------------------------------------------
# NOTE: See Cpanel/DKIM/ValidityCache/Sync.pm for a more code-friendly
# analogue to this script.
#----------------------------------------------------------------------
package scripts::refresh_dkim_validity_cache;
use strict;
use warnings;
=encoding utf-8
=head1 NAME
scripts/refresh-dkim-validity-cache
=head1 USAGE
refresh-dkim-validity-cache ( --help | --all-domains | --initialize )
refresh-dkim-validity-cache --domain $d1 --domain $d2 ...
=head1 DESCRIPTION
This script refreshes the DKIM validity cache so that the system
will add DKIM signatures for all messages whose sender domain has a
correct DKIM configuration—but B<only> those messages.
It notes all changes made to the cache and prints a summary at the end.
=head1 OPTIONS
=over
=item * C<--all-domains> - Refreshes every domain’s validity cache.
(This can take a while!) Excludes C<--domain> and C<--initialize>.
=item * C<--domain> - Accepts a domain as argument. May be given multiple
times.
=item * C<--initialize> - Creates the validity cache anew if it doesn’t
already exist. All users are recorded as having valid DKIM, with the
understanding that a subsequent run of this script with C<--all-domains>
will remove invalid entries. (This is to ensure that DKIM signing doesn’t
fail temporarily while the cache is being created.)
C<--initialize> excludes C<--domain> and implies C<--all-domains>.
This is only useful in rare cases and shouldn’t ordinarily be done.
=back
=cut
use Try::Tiny;
use parent qw( Cpanel::HelpfulScript );
use constant _OPTIONS => (
'initialize',
'all-domains',
'domain=s@',
);
__PACKAGE__->new(@ARGV)->run() if !caller;
sub run {
my ($self) = @_;
my $given_domains_ar = $self->getopt('domain');
my $every_domain_yn = $self->getopt('all-domains');
my $init_yn = $self->getopt('initialize');
if ($every_domain_yn) {
if ( $init_yn || $given_domains_ar ) {
die $self->help('“--all-domains” excludes “--initialize” and “--domain”.');
}
}
elsif ($init_yn) {
if ($given_domains_ar) {
die $self->help('“--initialize” excludes “--all-domains” and “--domain”.');
}
}
elsif ( !$given_domains_ar ) {
die $self->help('No arguments given!');
}
require Cpanel::DKIM::ValidityCache;
my $all_domains_ar = _load_all_domains();
my $cache_all_ar = Cpanel::DKIM::ValidityCache->get_all();
my %old_lookup;
my $init_obj;
if ($cache_all_ar) {
if ($init_yn) {
$self->say('The cache is already initialized.');
return;
}
%old_lookup = map { $_ => undef } @$cache_all_ar;
require Cpanel::Set;
my @stale = Cpanel::Set::difference(
[ keys %old_lookup ],
$all_domains_ar,
);
for (@stale) {
$self->say("Removing stale entry for “$_” …");
_write_or_warn( 'unset', $_ );
}
}
elsif ($init_yn) {
require Cpanel::DKIM::ValidityCache::TempDir;
$init_obj = Cpanel::DKIM::ValidityCache::TempDir->new();
}
$_ = 0 for my ( $added, $removed );
for my $domain ( sort @$all_domains_ar ) {
# Skip all wildcards.
next if 0 == index( $domain, '*' );
if ( !$every_domain_yn && !$init_yn ) {
my $proceed_yn = grep { $_ eq $domain } @$given_domains_ar;
next if !$proceed_yn;
}
if ($init_yn) {
_write_or_warn( set => $domain );
$added++;
}
else {
$self->say("Checking “$domain” …");
try {
if ( _domain_has_valid_dkim($domain) ) {
$self->say("\t✅ Valid!");
if ( !exists $old_lookup{$domain} ) {
_write_or_warn( set => $domain );
$added++;
$self->say("\t➕ Added to cache.");
}
}
else {
$self->say("\t⛔ Not valid.");
if ( exists $old_lookup{$domain} ) {
require Cpanel::DKIM::ValidityCache::Write;
Cpanel::DKIM::ValidityCache::Write->unset($domain);
$removed++;
$self->say("\t➖ Removed from cache.");
}
}
}
catch {
warn "$domain: $_";
};
}
}
$self->say();
if ($init_yn) {
$init_obj->install();
$self->say("The cache is initialized. ($added entries added)");
}
else {
$self->say("Done! $added added, $removed removed.");
}
return;
}
sub _write_or_warn {
my ( $fn, $name ) = @_;
require Cpanel::DKIM::ValidityCache::Write;
local $@;
warn if !eval { Cpanel::DKIM::ValidityCache::Write->$fn($name); 1 };
return;
}
sub _load_all_domains {
require Cpanel::Config::LoadUserDomains;
# 1 = give me a domain-to-user hash
my $du_hr = Cpanel::Config::LoadUserDomains::loaduserdomains( undef, 1 );
require Cpanel::Sys::Hostname;
# Ensure that we can DKIM-sign mail sent from the hostname.
my $hostname = Cpanel::Sys::Hostname::gethostname();
$du_hr->{$hostname} ||= undef;
return [ sort keys %$du_hr ];
}
sub _domain_has_valid_dkim {
my ($domain) = @_;
require Cpanel::DnsUtils::MailRecords;
my $resp_ar = Cpanel::DnsUtils::MailRecords::validate_dkim_records_for_domains( [$domain] );
return ( ( $resp_ar->[0]{'state'} // q<> ) eq 'VALID' );
}
1;
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