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

# cpanel - scripts/ensure_conf_dir_crt_key         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 Cpanel::ConfigFiles::Apache ();
use Cpanel::Hostname            ();
use Cpanel::SSLPath             ();
use Cpanel::Logger              ();
use Cpanel::FileUtils::Copy     ();
use Cpanel::FileUtils::Chown    ();

my $apacheconf = Cpanel::ConfigFiles::Apache->new();

if ( !-e '/var/cpanel/ssl' ) {
    mkdir '/var/cpanel/ssl', 0755;
}
if ( !-e '/var/cpanel/ssl/cpanel' ) {
    mkdir '/var/cpanel/ssl/cpanel', 0755;
}

if ( !-e '/var/cpanel/ssl/cpanel/cpanel.pem' && !-e '/var/cpanel/ssl/cpanel/mycpanel.pem' ) {

    # When we added the free hostname certificate, checkallsslcerts does quite
    # a bit more than the original design which is not what we want here.

    require Cpanel::SSLCerts;
    Cpanel::SSLCerts::createDefaultSSLFiles( 'service' => 'cpanel' );
}

my $hostname = Cpanel::Hostname::gethostname();
my $ssl_root = Cpanel::SSLPath::getsslroot();

my %certificates = (
    'crt' => {
        'dir'  => $apacheconf->dir_conf() . '/ssl.crt',
        'file' => 'server.crt',
    },
    'key' => {
        'dir'  => $apacheconf->dir_conf() . '/ssl.key',
        'file' => 'server.key',
    },
);

foreach my $type ( keys %certificates ) {
    my $dir  = $certificates{$type}{'dir'};
    my $file = $certificates{$type}{'file'};
    mkdir $dir if !-d $dir;
    my $path        = $dir . '/' . $file;
    my $initialized = 0;

    if ( !-e $path || -z _ ) {
        Cpanel::FileUtils::Copy::safecopy( '/var/cpanel/ssl/cpanel/cpanel.pem', $path );
        $initialized = 1;
    }
    else {
        if ( open my $look_fh, '<', $path ) {
            my $cont = do { local $/; <$look_fh> };
            close $look_fh;
            if ( $cont =~ m/SKIPME/m ) {
                Cpanel::FileUtils::Copy::safecopy( '/var/cpanel/ssl/cpanel/cpanel.pem', $path );
                $initialized = 1;
            }
        }
        else {
            Cpanel::Logger::logger(
                {
                    'message'   => "Unable to read $path: $!",
                    'level'     => 'warn',
                    'service'   => 'ensure_conf_dir_crt_key',
                    'output'    => 1,
                    'backtrace' => 0,
                }
            );
        }
    }

    if ( $initialized && $type ne 'key' ) {

        # remove key from this .pem
        if ( open my $crt_fh, '<', $path ) {
            my $cont = do { local $/; <$crt_fh> };
            close $crt_fh;
            if ( open my $new_fh, '>', $path ) {
                $cont =~ s{
                             -----BEGIN(\s+\w+)*\s+PRIVATE\s+KEY-----
                             .*
                             -----END(\s+\w+)*\s+PRIVATE\s+KEY-----
                         }{}xms;
                print {$new_fh} $cont;
                close $new_fh;
            }
        }
    }

    if ( $type eq 'key' ) {
        if ( !-e $ssl_root . '/private/' . $hostname . '.key' || -z _ ) {
            Cpanel::FileUtils::Copy::safecopy( $path, $ssl_root . '/private/' . $hostname . '.key' );
        }

        #fix any possible perm/ownership problems.
        for my $p ( $path, $ssl_root . '/private/' . $hostname . '.key' ) {
            Cpanel::FileUtils::Chown::check_and_fix_owner_and_permissions_for(
                'uid'         => 0,
                'gid'         => 0,
                'octal_perms' => 0600,
                'path'        => $p
            );
        }
    }
    else {
        if ( !-e $ssl_root . '/certs/' . $hostname . '.crt' || -z _ ) {
            Cpanel::FileUtils::Copy::safecopy( $path, $ssl_root . '/certs/' . $hostname . '.crt' );
        }

        #fix any possible perm/ownership problems.
        for my $p ( $path, $ssl_root . '/certs/' . $hostname . '.crt' ) {
            Cpanel::FileUtils::Chown::check_and_fix_owner_and_permissions_for(
                'uid'         => 0,
                'gid'         => 0,
                'octal_perms' => 0644,
                'path'        => $p
            );
        }
    }
}

# Check for any keys left by the transition between EA3 and EA4 and fix their perms.
if ( -f '/etc/cpanel/ea4/is_ea4' ) {
    Cpanel::FileUtils::Chown::check_and_fix_owner_and_permissions_for(
        'uid'         => 0,
        'gid'         => 0,
        'octal_perms' => 0600,
        'path'        => '/usr/local/apache/conf/ssl.key/server.key'
    );
}
else {
    Cpanel::FileUtils::Chown::check_and_fix_owner_and_permissions_for(
        'uid'         => 0,
        'gid'         => 0,
        'octal_perms' => 0600,
        'path'        => '/etc/apache2/conf.d/ssl.key/server.key'
    );
}