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Filename : ensure_vhost_includes
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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/ensure_vhost_includes           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

use strict;

# use warnings;
use Getopt::Param ();

use Cpanel::PwCache::Build ();

my %errors;
my @PHP_INI_INCLUDE_PATHS_CACHE;
my $php_ini_include_paths_have_been_cached = 0;

my %checks = (
    'cp_bw_all_limit.conf' => {
        'name' => 'bandwidth limit',

        # 'user' ...
        'domain' => {
            'on' => sub {
                my ( $user, $domain, $value ) = @_;
                if ( -x '/usr/local/cpanel/scripts/setbwlimit' ) {
                    system '/usr/local/cpanel/scripts/setbwlimit', '--domain=' . $domain, '--limit=' . $value;
                }
                else {
                    if ( !exists $errors{'/usr/local/cpanel/scripts/setbwlimit missing or not executable!'} ) {
                        print "/usr/local/cpanel/scripts/setbwlimit missing or not executable!\n";
                        $errors{'/usr/local/cpanel/scripts/setbwlimit missing or not executable!'} = 0;
                    }
                    $errors{'/usr/local/cpanel/scripts/setbwlimit missing or not executable!'}++;
                }
            },
            'off' => sub {
                my ( $user, $domain, $value, $verbose, $skip_userdata_update ) = @_;
                Cpanel::EditHttpdconf::del_vhost_include(
                    {
                        'skip_userdata_update'            => ( $skip_userdata_update ? 1 : 0 ),
                        'domain'                          => $domain,
                        'file'                            => 'cp_bw_all_limit.conf',
                        'restart_apache'                  => 0,
                        'ensure_vhost_include_directives' => 0,
                    }
                );
            },
        },
    },
    'cp_php_magic_include_path.conf' => {
        'name' => 'magic php include path',

        # 'user' ...
        'domain' => {
            'on' => sub {
                my ( $user, $domain, $value, $verbose, $skip_userdata_update ) = @_;
                my $homedir = ( Cpanel::PwCache::getpwnam($user) )[7];

                if ( !$php_ini_include_paths_have_been_cached ) {
                    @PHP_INI_INCLUDE_PATHS_CACHE = Cpanel::PHPINI::include_paths();
                    $php_ini_include_paths_have_been_cached++;
                }

                my @INCP = @PHP_INI_INCLUDE_PATHS_CACHE;
                if ( $homedir && $homedir ne '' && $homedir ne '/' ) {
                    push @INCP, $homedir . '/php';
                }
                my $php5path      = join( ':', @INCP );
                my $first_include = shift @INCP;
                unshift @INCP, '/usr/local/php4/lib/php';
                unshift @INCP, '/usr/php4/lib/php';
                unshift @INCP, $first_include;
                my $php4path = join( ':', @INCP );
                my $content  = <<"END_CONT";
    <IfModule concurrent_php.c>
       php4_admin_value include_path "$php4path"
       php5_admin_value include_path "$php5path"
    </IfModule>
    <IfModule !concurrent_php.c>
       <IfModule mod_php4.c>
          php_admin_value include_path "$php4path"
       </IfModule>
       <IfModule mod_php5.c>
          php_admin_value include_path "$php5path"
       </IfModule>
       <IfModule sapi_apache2.c>
          php_admin_value include_path "$php4path"
       </IfModule>
    </IfModule>

END_CONT

                Cpanel::EditHttpdconf::add_vhost_include(
                    {
                        'skip_userdata_update'            => ( $skip_userdata_update ? 1 : 0 ),
                        'user'                            => $user,
                        'file'                            => 'cp_php_magic_include_path.conf',
                        'restart_apache'                  => 0,
                        'ensure_vhost_include_directives' => 0,
                        'content'                         => {
                            'std' => {
                                '1' => $content,
                                '2' => $content,
                            },
                            'ssl' => {
                                '1' => $content,
                                '2' => $content,
                            },
                        },
                    }
                );
                return 'once_per_user';
            },
            'off' => sub {
                my ( $user, $domain, $value, $verbose, $skip_userdata_update ) = @_;
                Cpanel::EditHttpdconf::del_vhost_include(
                    {
                        'skip_userdata_update'            => ( $skip_userdata_update ? 1 : 0 ),
                        'user'                            => $user,
                        'file'                            => 'cp_php_magic_include_path.conf',
                        'restart_apache'                  => 0,
                        'ensure_vhost_include_directives' => 0,
                    }
                );
                return 'once_per_user';
            },
        },
    },
);

my $help_cr = sub {
    print <<"END_HELP";
Ensure all vhost includes are setup as per userdata.

$0 --help  (this screen)
$0 --all-users | --user=USERNAME1 [--user=USERNAME2 --user=...] | --domain=DOMAIN1 [--domain=DOMAIN2 --domain=...] | --domainowner=DOMAIN1OWNER [--domainowner=DOMAIN1OWNER]

'--verbose' have output reporting what it is doing

'--skip-file-check' will skip the check that makes sure the setting in the userdata reflects what is on the filesystem

'--no-restart' will skip restarting Apache after httpd.conf is updated

'--skip-conf-rebuild' do not rebuild httpd.conf, implies --no-restart

'--debug' implies --verbose and makes the verbose information include more arcane information about what it's doing

END_HELP
    exit;
};

# purposefully don't have --force-value and --only-check in help

my $prm = Getopt::Param->new(
    {    #issafe
        'help_coderef' => $help_cr,
    }
);

if ( $prm->exists_param('only-check') ) {
    my %only;
    for my $check ( $prm->get_param('only-check') ) {
        $only{$check} = 1 if exists $checks{$check};
    }

    for my $real_check ( sort keys %checks ) {
        delete $checks{$real_check} if !exists $only{$real_check};
    }

    die "--only-check arguments removed all checks" if !keys %checks;
}

my %user_map;
my @users;
my $do_domain_filter = 0;
require Cpanel::AcctUtils::DomainOwner::Tiny;
Cpanel::AcctUtils::DomainOwner::Tiny::build_domain_cache();

if ( $prm->get_param('all-users') ) {
    require Cpanel::Config::LoadUserDomains;
    require Cpanel::PwCache;

    Cpanel::PwCache::Build::init_passwdless_pwcache();
    %user_map = %{ Cpanel::Config::LoadUserDomains::loaduserdomains( undef, 0, 1 ) };
    @users    = sort keys %user_map;
}
elsif ( $prm->get_param('user') ) {
    require Cpanel::Config::LoadCpUserFile;
    foreach my $user ( $prm->get_param('user') ) {
        if ( my $cpuser_ref = Cpanel::Config::LoadCpUserFile::load($user) ) {
            if ( $cpuser_ref->{'DOMAIN'} ) {
                $user_map{$user} = [ $cpuser_ref->{'DOMAIN'}, @{ $cpuser_ref->{'DOMAINS'} } ];
                push @users, $user;
            }
        }
        else {
            print "Invalid user: $user\n";
        }
    }
    die "No valid --user arguments given" unless @users;
}
elsif ( $prm->get_param('domain') ) {
    $do_domain_filter = {};

    my @domain_owners = $prm->get_param('domainowner') ? ( $prm->get_param('domainowner') ) : ();

    require Cpanel::Config::LoadCpUserFile;
    require Cpanel::Validate::Domain::Tiny;
    require Cpanel::Validate::Domain::Normalize;

    for my $dom ( $prm->get_param('domain') ) {
        $dom = Cpanel::Validate::Domain::Normalize::normalize($dom);
        if ( Cpanel::Validate::Domain::Tiny::validdomainname($dom) ) {
            if ( my $owner = ( shift @domain_owners || Cpanel::AcctUtils::DomainOwner::Tiny::getdomainowner( $dom, { 'default' => '', 'skiptruelookup' => 1 } ) ) ) {
                unless ( exists $user_map{$owner} ) {
                    if ( my $cpuser_ref = Cpanel::Config::LoadCpUserFile::load($owner) ) {
                        $user_map{$owner} = [ $cpuser_ref->{'DOMAIN'}, @{ $cpuser_ref->{'DOMAINS'} } ];
                        push @users, $owner;
                    }
                }
                if ( exists $user_map{$owner} ) {
                    $do_domain_filter->{$dom}++;
                }
            }
        }
        else {
            print "Invalid domain: $dom\n";
        }
    }

    die "No valid --domain arguments given" unless keys %{$do_domain_filter};
}
else {
    $help_cr->();
}

my $verbose = $prm->get_param('debug') || $prm->get_param('verbose') ? 1 : 0;

my %domains_processed;

if ( $prm->get_param('skip-file-check') ) {
    print "Skipping file check as per --skip-file-check\n\n";
}
else {
    require Cpanel::PHPINI;
    require Cpanel::EditHttpdconf;
    require Cpanel::DataStore;
    require Cpanel::PwCache;
    my $userdata = '/var/cpanel/userdata';
  USER:
    for my $user (@users) {
        my %once;
        print "Starting $user...\n" if $verbose;
        my $userdir = "$userdata/$user";
        next USER if !-d $userdir;
        next USER if ref $user_map{$user} ne 'ARRAY';

        my $userdata_main;

      DOM:
        for my $dom ( sort @{ $user_map{$user} } ) {
            my $userdata_domain;

            if ( ref $do_domain_filter eq 'HASH' && !exists $do_domain_filter->{$dom} ) {
                print "\tProcessing $dom...\n\t\tSkipping $dom since it was not passed in via --domain flag\n" if $prm->get_param('debug');
                next DOM;
            }

            print "\tProcessing $dom...\n" if $verbose;

            my $domfile = "$userdir/$dom";
            next DOM if !-e $domfile;
            $domains_processed{$dom}++;

          DATACHECK:
            for my $check ( sort keys %checks ) {
                next DATACHECK if exists $once{$check};

                print "\t\tChecking $checks{ $check }->{'name'}..." if $verbose;
                my $skip_userdata_update = 0;
                my $val;
                if ( $prm->exists_param('force-value') ) {
                    $val = $prm->get_param('force-value');
                }
                else {
                    $skip_userdata_update = 1;    # we read it from the datastore, we are not
                                                  # ever going to need to update it if we are
                                                  # not forcing a new value
                    $userdata_main ||= Cpanel::DataStore::fetch_ref("$userdir/main");
                    $val = $userdata_main->{$check};
                    if ( !$val ) {                # if its not in the main datastore we look in the domain one
                        $userdata_domain ||= Cpanel::DataStore::fetch_ref($domfile);
                        $val = $userdata_domain->{$check};
                    }
                }
                my @args = ( $user, $dom, $val, $verbose, $skip_userdata_update );

                my $rc;

                if ($val) {
                    print "On\n" if $verbose;
                    $rc = $checks{$check}->{'domain'}{'on'}->(@args);
                }
                else {
                    print "Off\n" if $verbose;
                    $rc = $checks{$check}->{'domain'}{'off'}->(@args);
                }
                $once{$check} = 1 if $rc eq 'once_per_user';
            }
        }
    }
}

if ( $prm->get_param('skip-conf-rebuild') ) {
    print "Skipping httpd.conf rebuild as per --skip-conf-rebuild\n" if $verbose;
    if ( $prm->get_param('skip-file-check') ) {
        print "Specifying both --skip-conf-rebuild and --skip-file-check means nothing was done.\n";
    }
}
else {
    print "Ensuring that Include entries are correct...\n" if $verbose;

    my $vhosts_updated = 0;

    # ? other threshhold of when individual vhost building is less efficient than just rebuilding the entire httpd.conf ?
    if ( keys %domains_processed < 3 ) {
        require Cpanel::ConfigFiles::Apache::VhostUpdate;
        my ( $vhost_status, $vhost_message, $vhosts_changed );
        for my $domain ( keys %domains_processed ) {
            ( $vhost_status, $vhost_message, $vhosts_changed ) = Cpanel::ConfigFiles::Apache::VhostUpdate::do_vhost($domain);
            if ( !$vhost_status ) {
                warn "Could not rebuild vhost for $domain: $vhost_message";
            }

            $vhosts_updated = 1 if ( $vhosts_changed && ref $vhosts_changed && @{$vhosts_changed} );
        }
    }
    else {
        $vhosts_updated = 1;
        Cpanel::EditHttpdconf::rebuild_httpd_conf(
            sub {
                my ($line) = @_;
                return $line;    # Cpanel::SafeRun::Dynamic::livesaferun() prints whatever is returned
            }
        );
    }

    no warnings 'once';
    require Whostmgr::UI;
    local $Whostmgr::UI::nohtml = 1;
    if ( !$vhosts_updated ) {
        print "Skipping Apache restart as not vhosts were updated\n" if $verbose;
    }
    elsif ( $prm->get_param('no-restart') ) {
        print "Skipping Apache restart as per --no-restart\n" if $verbose;
    }
    else {
        print "Updated domains: " . join( ', ', sort keys %domains_processed ) . "\n" if $verbose;
        print "Restarting Apache...\n"                                                if $verbose;
        require Cpanel::HttpUtils::ApRestart::BgSafe;
        Cpanel::HttpUtils::ApRestart::BgSafe::restart();
    }
}