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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/fix-web-vhost-configuration 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::fix_web_vhost_configuration;
use strict;
use warnings;
=encoding utf-8
=head1 NAME
scripts/fix-web-vhost-configuration
=head1 USAGE
fix-web-vhost-configuration ( --help | [--dry-run] ( --user=$name | --all-users ) )
=head1 DESCRIPTION
This script iterates through each user’s web virtual host configuration files
and removes excess alias names. Certain historical errors in cPanel & WHM make
it possible for there to be such discrepancies between expected and actual
configuration.
This does the following:
=over
=item * Identifies any unrecognized alias domains.
=item * If C<--dry-run> is not passed, deletes the following unrecognized
alias domains:
=over
=item * Active service subdomains (e.g., C<cpanel.example.com>) or
C<www.> subdomains thereof (e.g., C<www.webmail.example.com>).
=item * C<www.> subdomains (e.g., C<www.mail.example.com>) of any expected
alias.
=back
Note that this will ignore other unrecognized alias domains.
=item * Identifies and, if C<--dry-run> is not passed, adds missing alias
domains.
=back
=cut
#----------------------------------------------------------------------
use parent qw( Cpanel::HelpfulScript );
use Try::Tiny;
use Cpanel::iContact::Icons ();
use Cpanel::Config::userdata::Aliases ();
use Cpanel::Config::userdata::Guard ();
use Cpanel::Config::userdata::Load ();
use Cpanel::Config::WebVhosts ();
use Cpanel::Time::ISO ();
use Cpanel::Set ();
use constant _OPTIONS => ( 'dry-run', 'user=s', 'all-users' );
__PACKAGE__->new(@ARGV)->run() if !caller;
my $RUN_ID;
sub run {
my ($self) = @_;
$RUN_ID = ( Cpanel::Time::ISO::unix2iso() =~ tr< ><_>r ) . substr( rand, 1 );
my @cpusers = $self->_determine_cpusers();
for my $username (@cpusers) {
$self->say("\n----- Checking “$username” …");
_try_warn(
sub {
my $vh_aliases = Cpanel::Config::userdata::Aliases::get_for_user($username);
for my $vhname ( keys %$vh_aliases ) {
$self->say("--- Virtual host: “$vhname”");
my $expected_ar = $vh_aliases->{$vhname};
_try_warn(
sub {
$self->say('- Non-SSL configuration …');
my $guard = Cpanel::Config::userdata::Guard->new(
$username,
$vhname,
);
$self->_fix_ud_guard_for_expected( $username, $vhname, $guard, $expected_ar );
}
);
if ( Cpanel::Config::userdata::Load::user_has_ssl_domain( $username, $vhname ) ) {
_try_warn(
sub {
$self->say('- SSL configuration …');
my $guard = Cpanel::Config::userdata::Guard->new_ssl(
$username,
$vhname,
);
$self->_fix_ud_guard_for_expected( $username, $vhname, $guard, $expected_ar );
}
);
}
}
}
);
}
$self->say("Done!");
return;
}
BEGIN {
*_icon = \*Cpanel::iContact::Icons::get_icon;
}
sub _back_up_ud {
my ($path) = @_;
require File::Copy;
File::Copy::copy( $path => "$path.$RUN_ID" );
return;
}
sub _try_warn {
my ($todo_cr) = @_;
try { $todo_cr->() }
catch {
local $@ = _icon('error') . " $_";
warn;
};
return;
}
sub _fix_ud_guard_for_expected {
my ( $self, $username, $vhname, $ud_guard, $expected_ar ) = @_;
my @file_aliases = split m<\s+>, $ud_guard->data()->{'serveralias'};
my @excess = Cpanel::Set::difference(
\@file_aliases,
$expected_ar,
);
my @to_delete;
if (@excess) {
$self->say( _icon('warn') . " Unrecognized: @excess" );
my $vhsconf = Cpanel::Config::WebVhosts->load($username);
my @svcs = $vhsconf->ssl_proxy_subdomains_for_vhost($vhname);
# Remove www.mail, www.www, www.cpanel, etc.
my @extra_www = map { "www.$_" } @$expected_ar, @svcs;
@to_delete = Cpanel::Set::intersection( \@excess, [ @svcs, @extra_www ] );
if (@to_delete) {
$self->say( _icon('warn') . " Pending deletion: @to_delete" );
}
}
my @missing = Cpanel::Set::difference(
$expected_ar,
\@file_aliases,
);
if (@missing) {
$self->say( _icon('warn') . " Expected but not found: @missing" );
}
if ( @missing || @to_delete ) {
if ( $self->getopt('dry-run') ) {
$self->say('Forgoing repair because of “--dry-run” parameter.');
$ud_guard->abort();
}
else {
_back_up_ud( $ud_guard->path() );
$ud_guard->data()->{'serveralias'} = join( ' ', Cpanel::Set::difference( [ @excess, @$expected_ar ], \@to_delete ) );
$ud_guard->save() or die "Save failed!";
$self->say( _icon('success') . ' Fixed!' );
}
}
else {
$ud_guard->abort();
}
return;
}
sub _determine_cpusers {
my ($self) = @_;
my @cpusers;
if ( $self->getopt('all-users') ) {
if ( $self->getopt('user') ) {
die $self->help('Give “--all-users” or “--user”, not both.');
}
require Cpanel::Config::Users;
@cpusers = Cpanel::Config::Users::getcpusers();
}
else {
my $cpuser = $self->getopt('user') or do {
die $self->help('Give “--all-users” or “--user”.');
};
push @cpusers, $cpuser;
}
return @cpusers;
}
1;