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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/process_pending_cpanel_php_pear_registration
#                                                  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

# Exclusively for speeding up installs/upcp by processing these in the background.
# Execution context is within scripts/maintenance
package scripts::process_pending_cpanel_php_pear_registration;

use strict;
use warnings;

use Cpanel::Binaries ();

our %files_map = (
    'deregistrations' => '/var/cpanel/.pending_pear_deregistrations',
    'registrations'   => '/var/cpanel/.pending_pear_registrations',
);

# For mocking in tests
our $ULC = '/usr/local/cpanel';

exit __PACKAGE__->run() unless caller;

sub run {
    local $| = 1;
    if ( scalar(@ARGV) ) {

        # Only for satisfying cplint
        my $wants_help   = grep { $_ eq '--help' } @ARGV;
        my $print_handle = $wants_help ? *STDOUT : *STDERR;
        print $print_handle "Usage:\n\n  This script doesn't accept arguments.\n\n  When ran it processes any pending PHP PEAR installs for cpanel-php packages.\n";
        return $wants_help ? 0 : 1;
    }

    my $php_ver   = Cpanel::Binaries::get_php_version( 'flat' => 1 );
    my $pear_dir  = "$ULC/3rdparty/php/$php_ver/lib/php";
    my $horde_dir = "$ULC/base/horde";
    my $pear_bin  = "$ULC/3rdparty/php/$php_ver/bin/pear";
    die "Couldn't find the PHP pear executable! Please run /usr/local/cpanel/scripts/check_cpanel_pkgs --fix" if !-x $pear_bin;
    my %args_map = (
        'deregistrations' => [qw{uninstall --nodeps --ignore-errors --register-only}],
        'registrations'   => [qw{install --nodeps --soft --force --register-only}],
    );

    # Do deregistrations first
    foreach my $action (qw{deregistrations registrations}) {
        next if !-f $files_map{$action} || !-s _;
        if ( $action eq 'registrations' ) {
            _system( $pear_bin, qw{channel-delete pear.horde.org} );
            _system( $pear_bin, 'channel-add', "$ULC/3rdparty/php/$php_ver/lib/php/.cpanel-channels/pear.horde.org-channel.xml" );
            foreach my $scope ( 'user', 'system' ) {
                _system( $pear_bin, qw{config-set horde_dir},                  $horde_dir,       $scope );
                _system( $pear_bin, qw{config-set -cpear.horde.org horde_dir}, $horde_dir,       $scope );
                _system( $pear_bin, qw{config-set -cpear.horde.org php_dir},   $pear_dir,        $scope );
                _system( $pear_bin, qw{config-set -cpear.horde.org data_dir},  "$pear_dir/data", $scope );
            }
        }
        open( my $fh, '<', $files_map{$action} ) || die "Can't open $files_map{$action} for reading: $!";
        my @to_process = <$fh>;
        close($fh);
        @to_process = map { chomp( my $thing = $_ ); $thing } @to_process;
        print "Now processing " . scalar(@to_process) . " pending pear $action...\n";
        _system( $pear_bin, @{ $args_map{$action} }, @to_process ) && print STDERR "Some $action failed! This should never happen if the PEAR packages are packaged correctly!\n";
        unlink( $files_map{$action} );
    }

    return 0;
}

# For mocking in tests
sub _system {
    if ( $ENV{'CPANEL_DEBUG_LEVEL'} ) {
        print "[DEBUG][process_pending_cpanel_php_pear_registration][EXEC] " . join( " ", @_ ) . "\n";
    }
    return system(@_);
}

1;