<?php

$TAB = 'SERVER';

// Main include
include($_SERVER['DOCUMENT_ROOT']."/inc/main.php");

// Check user
if ($_SESSION['userContext'] != 'admin') {
    header("Location: /list/user");
    exit;
}

// Get server hostname
$v_hostname = exec('hostname');

// List available timezones and get current one
$v_timezones = list_timezones();
exec(HESTIA_CMD."v-get-sys-timezone", $output, $return_var);
$v_timezone = $output[0];
unset($output);
if ($v_timezone == 'Etc/UTC') {
    $v_timezone = 'UTC';
}
if ($v_timezone == 'Pacific/Honolulu') {
    $v_timezone = 'HAST';
}
if ($v_timezone == 'US/Aleutian') {
    $v_timezone = 'HADT';
}
if ($v_timezone == 'Etc/GMT+9') {
    $v_timezone = 'AKST';
}
if ($v_timezone == 'America/Anchorage') {
    $v_timezone = 'AKDT';
}
if ($v_timezone == 'America/Dawson_Creek') {
    $v_timezone = 'PST';
}
if ($v_timezone == 'PST8PDT') {
    $v_timezone = 'PDT';
}
if ($v_timezone == 'MST7MDT') {
    $v_timezone = 'MDT';
}
if ($v_timezone == 'Canada/Saskatchewan') {
    $v_timezone = 'CST';
}
if ($v_timezone == 'CST6CDT') {
    $v_timezone = 'CDT';
}
if ($v_timezone == 'EST5EDT') {
    $v_timezone = 'EDT';
}
if ($v_timezone == 'America/Puerto_Rico') {
    $v_timezone = 'AST';
}
if ($v_timezone == 'America/Halifax') {
    $v_timezone = 'ADT';
}

// List supported php versions
exec(HESTIA_CMD."v-list-web-templates-backend json", $output, $return_var);
$backend_templates = json_decode(implode('', $output), true);
unset($output);

$v_php_versions = [
     'php-5.6',
     'php-7.0',
     'php-7.1',
     'php-7.2',
     'php-7.3',
     'php-7.4',
     'php-8.0',
];
sort($v_php_versions);

if (empty($backend_templates)) {
    $v_php_versions=[];
}

$backends_active = backendtpl_with_webdomains();
$v_php_versions = array_map(function ($php_version) use ($backend_templates, $backends_active) {
    // Mark installed php versions

    if (stripos($php_version, 'php') !== 0) {
        return false;
    }

    $phpinfo = (object) [
          "name" => $php_version,
          "tpl" => strtoupper(str_replace('.', '_', $php_version)),
          "version" => str_ireplace('php-', '', $php_version),
          "usedby" => [],
          "installed" => false,
          "protected" => false,
     ];

    if (in_array($phpinfo->tpl, $backend_templates)) {
        $phpinfo->installed = true;
    }

    if (array_key_exists($phpinfo->tpl, $backends_active)) {
        // Prevent used php version to be removed
        if ($phpinfo->installed) {
            $phpinfo->protected = true;
        }
        $phpinfo->usedby = $backends_active[$phpinfo->tpl];
    }

    if ($phpinfo->name == DEFAULT_PHP_VERSION) {
        // Prevent default php version to be removed
        if ($phpinfo->installed) {
            $phpinfo->protected = true;
        }

        if (!empty($backends_active['default'])) {
            $phpinfo->usedby = array_merge_recursive($phpinfo->usedby, $backends_active['default']);
        }
    }

    return $phpinfo;
}, $v_php_versions);

// List languages
exec(HESTIA_CMD."v-list-sys-languages json", $output, $return_var);
$language = json_decode(implode('', $output), true);
foreach ($language as $lang) {
    $languages[$lang] = translate_json($lang);
}
asort($languages);
unset($output);

// List themes
exec(HESTIA_CMD."v-list-sys-themes json", $output, $return_var);
$theme = json_decode(implode('', $output), true);
unset($output);

// List dns cluster hosts
exec(HESTIA_CMD."v-list-remote-dns-hosts json", $output, $return_var);
$dns_cluster = json_decode(implode('', $output), true);
unset($output);
if (is_array($dns_cluster)) {
    foreach ($dns_cluster as $key => $value) {
        $v_dns_cluster = 'yes';
    }
}

// List smtp relay settings
if (!empty($_SESSION['SMTP_RELAY'])) {
    $v_smtp_relay = $_SESSION['SMTP_RELAY'];
}
if (!empty($_SESSION['SMTP_RELAY_HOST'])) {
    $v_smtp_relay_host = $_SESSION['SMTP_RELAY_HOST'];
}
if (!empty($_SESSION['SMTP_RELAY_PORT'])) {
    $v_smtp_relay_port = $_SESSION['SMTP_RELAY_PORT'];
}
if (!empty($_SESSION['SMTP_RELAY_USER'])) {
    $v_smtp_relay_user = $_SESSION['SMTP_RELAY_USER'];
}

// List Database hosts
exec(HESTIA_CMD."v-list-database-hosts json", $output, $return_var);
$db_hosts = json_decode(implode('', $output), true);
unset($output);
$v_mysql_hosts = array_values(array_filter($db_hosts, function ($host) {
    return $host['TYPE'] === 'mysql';
}));
$v_mysql = count($v_mysql_hosts) ? 'yes' : 'no';
$v_pgsql_hosts = array_values(array_filter($db_hosts, function ($host) {
    return $host['TYPE'] === 'pgsql';
}));
$v_pgsql = count($v_pgsql_hosts) ? 'yes' : 'no';
unset($db_hosts);

// List backup settings
$v_backup_dir = "/backup";
if (!empty($_SESSION['BACKUP'])) {
    $v_backup_dir = $_SESSION['BACKUP'];
}
$v_backup_gzip = '5';
if (!empty($_SESSION['BACKUP_GZIP'])) {
    $v_backup_gzip = $_SESSION['BACKUP_GZIP'];
}
$v_backup_mode = 'gzip';
if (!empty($_SESSION['BACKUP_MODE'])) {
    $v_backup_mode = $_SESSION['BACKUP_MODE'];
}
$backup_types = explode(",", $_SESSION['BACKUP_SYSTEM']);
foreach ($backup_types as $backup_type) {
    if ($backup_type == 'local') {
        $v_backup = 'yes';
    } else {
        exec(HESTIA_CMD."v-list-backup-host ".escapeshellarg($backup_type)." json", $output, $return_var);
        $v_remote_backup = json_decode(implode('', $output), true);
        unset($output);
        if (in_array($backup_type, array('ftp','sftp'))) {
            $v_backup_host = $v_remote_backup[$backup_type]['HOST'];
            $v_backup_type = $v_remote_backup[$backup_type]['TYPE'];
            $v_backup_username = $v_remote_backup[$backup_type]['USERNAME'];
            $v_backup_password = "";
            $v_backup_port = $v_remote_backup[$backup_type]['PORT'];
            $v_backup_bpath = $v_remote_backup[$backup_type]['BPATH'];
            $v_backup_remote_adv = "yes";
        } elseif (in_array($backup_type, array('b2'))) {
            $v_backup_bucket = $v_remote_backup[$backup_type]['BUCKET'];
            $v_backup_type = $v_remote_backup[$backup_type]['TYPE'];
            $v_backup_application_id = $v_remote_backup[$backup_type]['B2_KEY_ID'];
            $v_backup_application_key = '';
            $v_backup_remote_adv = "yes";
        }
    }
}

// List ssl certificate info
exec(HESTIA_CMD."v-list-sys-hestia-ssl json", $output, $return_var);
$ssl_str = json_decode(implode('', $output), true);
unset($output);
$v_ssl_crt = $ssl_str['HESTIA']['CRT'];
$v_ssl_key = $ssl_str['HESTIA']['KEY'];
$v_ssl_ca = $ssl_str['HESTIA']['CA'];
$v_ssl_subject = $ssl_str['HESTIA']['SUBJECT'];
$v_ssl_aliases = $ssl_str['HESTIA']['ALIASES'];
$v_ssl_not_before = $ssl_str['HESTIA']['NOT_BEFORE'];
$v_ssl_not_after = $ssl_str['HESTIA']['NOT_AFTER'];
$v_ssl_signature = $ssl_str['HESTIA']['SIGNATURE'];
$v_ssl_pub_key = $ssl_str['HESTIA']['PUB_KEY'];
$v_ssl_issuer = $ssl_str['HESTIA']['ISSUER'];

// Check POST request
if (!empty($_POST['save'])) {
    $require_refresh = false;
    // Check token
    verify_csrf($_POST);

    // Change hostname
    if ((!empty($_POST['v_hostname'])) && ($v_hostname != $_POST['v_hostname'])) {
        exec(HESTIA_CMD."v-change-sys-hostname ".escapeshellarg($_POST['v_hostname']), $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_hostname = $_POST['v_hostname'];
    }

    // Install/remove php versions
    if (empty($_SESSION['error_msg'])) {
        if (!empty($v_php_versions)) {
            $post_php = $_POST['v_php_versions'];

            array_map(function ($php_version) use ($post_php) {
                if (array_key_exists($php_version->tpl, $post_php)) {
                    if (!$php_version->installed) {
                        exec(HESTIA_CMD . "v-add-web-php " . escapeshellarg($php_version->version), $output, $return_var);
                        check_return_code($return_var, $output);
                        unset($output);
                        if (empty($_SESSION['error_msg'])) {
                            $php_version->installed = true;
                        }
                    }
                } else {
                    if ($php_version->installed && !$php_version->protected) {
                        exec(HESTIA_CMD . "v-delete-web-php " . escapeshellarg($php_version->version), $output, $return_var);
                        check_return_code($return_var, $output);
                        unset($output);
                        if (empty($_SESSION['error_msg'])) {
                            $php_version->installed = false;
                        }
                    }
                }

                return $php_version;
            }, $v_php_versions);
        }
    }

    // Change timezone
    if (empty($_SESSION['error_msg'])) {
        if (!empty($_POST['v_timezone'])) {
            $v_tz = $_POST['v_timezone'];
            if ($v_tz == 'UTC') {
                $v_tz = 'Etc/UTC';
            }
            if ($v_tz == 'HAST') {
                $v_tz = 'Pacific/Honolulu';
            }
            if ($v_tz == 'HADT') {
                $v_tz = 'US/Aleutian';
            }
            if ($v_tz == 'AKST') {
                $v_tz = 'Etc/GMT+9';
            }
            if ($v_tz == 'AKDT') {
                $v_tz = 'America/Anchorage';
            }
            if ($v_tz == 'PST') {
                $v_tz = 'America/Dawson_Creek';
            }
            if ($v_tz == 'PDT') {
                $v_tz = 'PST8PDT';
            }
            if ($v_tz == 'MDT') {
                $v_tz = 'MST7MDT';
            }
            if ($v_tz == 'CST') {
                $v_tz = 'Canada/Saskatchewan';
            }
            if ($v_tz == 'CDT') {
                $v_tz = 'CST6CDT';
            }
            if ($v_tz == 'EDT') {
                $v_tz = 'EST5EDT';
            }
            if ($v_tz == 'AST') {
                $v_tz = 'America/Puerto_Rico';
            }
            if ($v_tz == 'ADT') {
                $v_tz = 'America/Halifax';
            }

            if ($v_timezone != $v_tz) {
                exec(HESTIA_CMD."v-change-sys-timezone ".escapeshellarg($v_tz), $output, $return_var);
                check_return_code($return_var, $output);
                $v_timezone = $v_tz;
                unset($output);
            }
        }
    }

    // Change default language
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_language'])) && ($_SESSION['LANGUAGE'] != $_POST['v_language'])) {
            if (isset($_POST['v_language_update'])) {
                exec(HESTIA_CMD."v-change-sys-language ".escapeshellarg($_POST['v_language'])." yes", $output, $return_var);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['LANGUAGE'] = $_POST['v_language'];
                }
            }
            exec(HESTIA_CMD."v-change-sys-language ".escapeshellarg($_POST['v_language']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $_SESSION['LANGUAGE'] = $_POST['v_language'];
            }
        }
    }

    // Update theme
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_theme'] != $_SESSION['THEME']) {
            exec(HESTIA_CMD."v-change-sys-config-value THEME ".escapeshellarg($_POST['v_theme']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
        }
    }

    // Update debug mode status
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_debug_mode'] == 'on') {
            $_POST['v_debug_mode'] = 'true';
        } else {
            $_POST['v_debug_mode'] = 'false';
        }
        if ($_POST['v_debug_mode'] != $_SESSION['DEBUG_MODE']) {
            exec(HESTIA_CMD."v-change-sys-config-value DEBUG_MODE ".escapeshellarg($_POST['v_debug_mode']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_debug_mode_adv = 'yes';
        }
    }

    // Enable/Disable Quick App Installer
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_plugin_app_installer'] != $_SESSION['PLUGIN_APP_INSTALLER']) {
            if ($_POST['v_plugin_app_installer'] == 'true') {
                $_POST['v_plugin_app_installer'] = 'true';
            } else {
                $_POST['v_plugin_app_installer'] = 'false';
            }
            exec(HESTIA_CMD."v-change-sys-config-value PLUGIN_APP_INSTALLER ".escapeshellarg($_POST['v_plugin_app_installer']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
        }
    }

    // Update experimental features status
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_experimental_features'] == 'on') {
            $_POST['v_experimental_features'] = 'true';
        } else {
            $_POST['v_experimental_features'] = 'false';
        }
        if ($_POST['v_experimental_features'] != $_SESSION['POLICY_SYSTEM_ENABLE_BACON']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_SYSTEM_ENABLE_BACON ".escapeshellarg($_POST['v_experimental_features']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_debug_mode_adv = 'yes';
        }
    }

    // Set File Manager support
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_filemanager'])) && ($_SESSION['FILE_MANAGER'] != $_POST['v_filemanager'])) {
            if ($_POST['v_filemanager'] == 'true') {
                exec(HESTIA_CMD."v-add-sys-filemanager", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['FILE_MANAGER'] = 'true';
                }
            } else {
                exec(HESTIA_CMD."v-delete-sys-filemanager", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['FILE_MANAGER'] = 'false';
                }
            }
        }
    }
    // Set phpMyAdmin SSO key
    if (empty($_SESSION['error_msg'])) {
        if (!empty($_POST['v_phpmyadmin_key'])) {
            if ($_POST['v_phpmyadmin_key'] == 'yes' && $_SESSION['PHPMYADMIN_KEY'] == '') {
                exec(HESTIA_CMD."v-add-sys-pma-sso quiet", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['PHPMYADMIN_KEY'] != "";
                }
            } elseif ($_POST['v_phpmyadmin_key'] == 'no' && $_SESSION['PHPMYADMIN_KEY'] != '') {
                exec(HESTIA_CMD."v-delete-sys-pma-sso  quiet", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['PHPMYADMIN_KEY'] = '';
                }
            }
        }
    }

    // Set disk_quota support
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_quota'])) && ($_SESSION['DISK_QUOTA'] != $_POST['v_quota'])) {
            if ($_POST['v_quota'] == 'yes') {
                exec(HESTIA_CMD."v-add-sys-quota", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['DISK_QUOTA'] = 'yes';
                }
            } else {
                exec(HESTIA_CMD."v-delete-sys-quota", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['DISK_QUOTA'] = 'no';
                }
            }
        }
    }

    // Set firewall support
    if (empty($_SESSION['error_msg'])) {
        if ($_SESSION['FIREWALL_SYSTEM'] == 'iptables') {
            $v_firewall = 'yes';
        }
        if ($_SESSION['FIREWALL_SYSTEM'] != 'iptables') {
            $v_firewall = 'no';
        }
        if ((!empty($_POST['v_firewall'])) && ($v_firewall != $_POST['v_firewall'])) {
            if ($_POST['v_firewall'] == 'yes') {
                exec(HESTIA_CMD."v-add-sys-firewall", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['FIREWALL_SYSTEM'] = 'iptables';
                }
            } else {
                exec(HESTIA_CMD."v-delete-sys-firewall", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $_SESSION['FIREWALL_SYSTEM'] = '';
                }
            }
        }
    }

    // Update mysql pasword
    if (empty($_SESSION['error_msg'])) {
        if (!empty($_POST['v_mysql_password'])) {
            exec(HESTIA_CMD."v-change-database-host-password mysql localhost root ".escapeshellarg($_POST['v_mysql_password']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_db_adv = 'yes';
        }
    }

    // Update webmail url
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_webmail_alias'] != $_SESSION['WEBMAIL_ALIAS']) {
            exec(HESTIA_CMD."v-change-sys-webmail ".escapeshellarg($_POST['v_webmail_alias']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_mail_adv = 'yes';
        }
    }

    // Update system wide smtp relay
    if (empty($_SESSION['error_msg'])) {
        if (isset($_POST['v_smtp_relay']) && (!empty($_POST['v_smtp_relay_host'])) && (!empty($_POST['v_smtp_relay_user']))) {
            if (($_POST['v_smtp_relay_host'] != $v_smtp_relay_host) ||
                     ($_POST['v_smtp_relay_user'] != $v_smtp_relay_user) ||
                     ($_POST['v_smtp_relay_port'] != $v_smtp_relay_port) ||
                     (!empty($_POST['v_smtp_relay_pass']))) {
                if (!empty($_POST['v_smtp_relay_pass'])) {
                    $v_smtp_relay = true;
                    $v_smtp_relay_host = escapeshellarg($_POST['v_smtp_relay_host']);
                    $v_smtp_relay_user = escapeshellarg($_POST['v_smtp_relay_user']);
                    $v_smtp_relay_pass = escapeshellarg($_POST['v_smtp_relay_pass']);
                    if (!empty($_POST['v_smtp_relay_port'])) {
                        $v_smtp_relay_port = escapeshellarg($_POST['v_smtp_relay_port']);
                    } else {
                        $v_smtp_relay_port = '587';
                    }
                    exec(HESTIA_CMD."v-add-sys-smtp-relay ".$v_smtp_relay_host." ".$v_smtp_relay_user." ".$v_smtp_relay_pass." ".$v_smtp_relay_port, $output, $return_var);
                    check_return_code($return_var, $output);
                    unset($output);
                } else {
                    $_SESSION['error_msg'] = _('SMTP Relay Password is required');
                }
            }
        }
        if ((!isset($_POST['v_smtp_relay'])) && ($v_smtp_relay == true)) {
            $v_smtp_relay = false;
            $v_smtp_relay_host = $v_smtp_relay_user = $v_smtp_relay_pass = $v_smtp_relay_port = '';
            exec(HESTIA_CMD."v-delete-sys-smtp-relay", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
        }
    }

    // Update phpMyAdmin url
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_mysql_url'] != $_SESSION['DB_PMA_ALIAS']) {
            exec(HESTIA_CMD."v-change-sys-db-alias pma ".escapeshellarg($_POST['v_mysql_url']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_db_adv = 'yes';
        }
    }

    // Update phpPgAdmin url
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_pgsql_url'] != $_SESSION['DB_PGA_ALIAS']) {
            exec(HESTIA_CMD."v-change-sys-db-alias pga ".escapeshellarg($_POST['v_pgsql_url']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_db_adv = 'yes';
        }
    }

    // Update release branch
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_release_branch'] != $_SESSION['RELEASE_BRANCH']) {
            exec(HESTIA_CMD."v-change-sys-release ".escapeshellarg($_POST['v_release_branch']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_release_adv = 'yes';
        }
    }

    // Update send notification setting
    if (empty($_SESSION['error_msg'])) {
        if ($_SESSION['UPGRADE_SEND_EMAIL'] == 'true') {
            $ugrade_send_mail = 'on';
        } else {
            $ugrade_send_mail = '';
        }
        if ($_POST['v_upgrade_send_notification_email'] != $ugrade_send_mail) {
            if ($_POST['v_upgrade_send_notification_email'] == 'on') {
                $_POST['v_upgrade_send_notification_email'] = 'true';
            } else {
                $_POST['v_upgrade_send_notification_email'] = 'false';
            }
            exec(HESTIA_CMD."v-change-sys-config-value UPGRADE_SEND_EMAIL ".escapeshellarg($_POST['v_upgrade_send_notification_email']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_upgrade_notification_adv = 'yes';
        }
    }

    // Update send log by email setting
    if (empty($_SESSION['error_msg'])) {
        if ($_SESSION['UPGRADE_SEND_EMAIL_LOG'] == 'true') {
            $send_email_log = 'on';
        } else {
            $send_email_log = '';
        }
        if ($_POST['v_upgrade_send_email_log'] != $send_email_log) {
            if ($_POST['v_upgrade_send_email_log'] == 'on') {
                $_POST['v_upgrade_send_email_log'] = 'true';
            } else {
                $_POST['v_upgrade_send_email_log'] = 'false';
            }
            exec(HESTIA_CMD."v-change-sys-config-value UPGRADE_SEND_EMAIL_LOG ".escapeshellarg($_POST['v_upgrade_send_email_log']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_upgrade_send_log_adv = 'yes';
        }
    }

    // Disable local backup
    if (empty($_SESSION['error_msg'])) {
        if (($_POST['v_backup'] == 'no') && ($v_backup == 'yes')) {
            exec(HESTIA_CMD."v-delete-backup-host local", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_backup = 'no';
            }
            $v_backup_adv = 'yes';
        }
    }

    // Enable local backups
    if (empty($_SESSION['error_msg'])) {
        if (($_POST['v_backup'] == 'yes') && ($v_backup != 'yes')) {
            exec(HESTIA_CMD."v-add-backup-host local", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_backup = 'yes';
            }
            $v_backup_adv = 'yes';
        }
    }

    // Change backup gzip level
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_backup_gzip'] != $v_backup_gzip) {
            if ($_POST['v_backup_mode'] == 'gzip') {
                $_POST['v_backup_gzip'] = 9;
            }
            exec(HESTIA_CMD."v-change-sys-config-value BACKUP_GZIP ".escapeshellarg($_POST['v_backup_gzip']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_backup_gzip = $_POST['v_backup_gzip'];
            }
            $v_backup_adv = 'yes';
        }
    }

    // Change backup mode
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_backup_mode'] != $v_backup_mode) {
            exec(HESTIA_CMD."v-change-sys-config-value BACKUP_MODE ".escapeshellarg($_POST['v_backup_mode']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_backup_mode = $_POST['v_backup_mode'];
            }
            $v_backup_adv = 'yes';
            if ($_POST['v_backup_mode'] == 'gzip') {
                $_POST['v_backup_gzip'] = 9;
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_gzip = $_POST['v_backup_gzip'];
                }
                exec(HESTIA_CMD."v-change-sys-config-value BACKUP_GZIP ".escapeshellarg($_POST['v_backup_gzip']), $output, $return_var);
            }
        }
    }

    // Change backup path
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_backup_dir'] != $v_backup_dir) {
            /*
            See #1655
            exec (HESTIA_CMD."v-change-sys-config-value BACKUP ".escapeshellarg($_POST['v_backup_dir']), $output, $return_var);
            check_return_code($return_var,$output);
            unset($output);
            */
            if (empty($_SESSION['error_msg'])) {
                $v_backup_dir = $_POST['v_backup_dir'];
            }
            #$v_backup_adv = 'yes';
        }
    }

    // Add remote backup host
    if (empty($_SESSION['error_msg'])) {
        if ((empty($v_backup_host) && empty($v_backup_bucket) && ((!empty($_POST['v_backup_host'])) || !empty($_POST['v_backup_bucket'])))) {
            if (in_array($_POST['v_backup_type'], array('ftp','sftp'))) {
                $v_backup_host = escapeshellarg($_POST['v_backup_host']);
                $v_backup_port = escapeshellarg($_POST['v_backup_port']);
                $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                $v_backup_username = escapeshellarg($_POST['v_backup_username']);
                $v_backup_password = escapeshellcmd($_POST['v_backup_password']);
                $v_backup_bpath = escapeshellarg($_POST['v_backup_bpath']);
                exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_host ." ". $v_backup_username ." ". $v_backup_password ." ". $v_backup_bpath." ".$v_backup_port, $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_host = $_POST['v_backup_host'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_type = $_POST['v_backup_type'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_username = $_POST['v_backup_username'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_password = $_POST['v_backup_password'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_bpath = $_POST['v_backup_bpath'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_port = $_POST['v_backup_port'];
                }
                $v_backup_new = 'yes';
                $v_backup_adv = 'yes';
                $v_backup_remote_adv = 'yes';
            } elseif (in_array($_POST['v_backup_type'], array('b2'))) {
                $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_bucket ." ". $v_backup_application_id ." ". $v_backup_application_key, $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                }
                $v_backup_new = 'yes';
                $v_backup_adv = 'yes';
                $v_backup_remote_adv = 'yes';
            }
        }
    }

    // Change remote backup host type
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_backup_host'])) && ($_POST['v_backup_type'] != $v_backup_type)) {
            exec(HESTIA_CMD."v-delete-backup-host " . escapeshellarg($v_backup_type), $output, $return_var);
            unset($output);
            if (in_array($_POST['v_backup_type'], array('ftp','sftp'))) {
                $v_backup_host = escapeshellarg($_POST['v_backup_host']);
                $v_backup_port = escapeshellarg($_POST['v_backup_port']);
                $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                $v_backup_username = escapeshellarg($_POST['v_backup_username']);
                $v_backup_password = escapeshellcmd($_POST['v_backup_password']);
                $v_backup_bpath = escapeshellarg($_POST['v_backup_bpath']);
                exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_host ." ". $v_backup_username ." ". $v_backup_password ." ". $v_backup_bpath." ".$v_backup_port, $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_host = $_POST['v_backup_host'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_type = $_POST['v_backup_type'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_username = $_POST['v_backup_username'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_password = $_POST['v_backup_password'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_bpath = $_POST['v_backup_bpath'];
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_port = $_POST['v_backup_port'];
                }
                $v_backup_adv = 'yes';
                $v_backup_remote_adv = 'yes';
            } elseif (in_array($_POST['v_backup_type'], array('b2'))) {
                $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_bucket ." ". $v_backup_application_id ." ". $v_backup_application_key, $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                }
                if (empty($_SESSION['error_msg'])) {
                    $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                }
                $v_backup_adv = 'yes';
                $v_backup_remote_adv = 'yes';
            }
        }
    }

    // Change remote backup host
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_backup_host'])) && ($_POST['v_backup_type'] == $v_backup_type) && (!isset($v_backup_new))) {
            if (in_array($_POST['v_backup_type'], array('ftp','sftp'))) {
                if (($_POST['v_backup_host'] != $v_backup_host) || ($_POST['v_backup_username'] != $v_backup_username) || ($_POST['v_backup_password'] != $v_backup_password) || ($_POST['v_backup_bpath'] != $v_backup_bpath || $_POST['v_backup_port'] != $v_backup_port)) {
                    $v_backup_host = escapeshellarg($_POST['v_backup_host']);
                    $v_backup_port = escapeshellarg($_POST['v_backup_port']);
                    $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                    $v_backup_username = escapeshellarg($_POST['v_backup_username']);
                    $v_backup_password = escapeshellcmd($_POST['v_backup_password']);
                    $v_backup_bpath = escapeshellarg($_POST['v_backup_bpath']);
                    exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_host ." ". $v_backup_username ." ". $v_backup_password ." ". $v_backup_bpath." ".$v_backup_port, $output, $return_var);
                    check_return_code($return_var, $output);
                    unset($output);
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_host = $_POST['v_backup_host'];
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_type = $_POST['v_backup_type'];
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_username = $_POST['v_backup_username'];
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_password = $_POST['v_backup_password'];
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_bpath = $_POST['v_backup_bpath'];
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_port = $_POST['v_backup_port'];
                    }
                    $v_backup_adv = 'yes';
                    $v_backup_remote_adv = 'yes';
                }
            } elseif (in_array($_POST['v_backup_type'], array('b2'))) {
                if (($_POST['v_backup_bucket'] != $v_backup_bucket) || ($_POST['v_backup_application_key'] != $v_backup_application_key) || ($_POST['v_backup_application_id'] != $v_backup_application_id)) {
                    $v_backup_type = escapeshellarg($_POST['v_backup_type']);
                    $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                    $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                    $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                    exec(HESTIA_CMD."v-add-backup-host ". $v_backup_type ." ". $v_backup_bucket ." ". $v_backup_application_id ." ". $v_backup_application_key, $output, $return_var);
                    check_return_code($return_var, $output);
                    unset($output);
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_bucket = escapeshellarg($_POST['v_backup_bucket']);
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_application_id = escapeshellarg($_POST['v_backup_application_id']);
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_backup_application_key = escapeshellarg($_POST['v_backup_application_key']);
                    }
                    $v_backup_adv = 'yes';
                    $v_backup_remote_adv = 'yes';
                }
            }
        }
    }

    // Delete remote backup host
    if (empty($_SESSION['error_msg'])) {
        if (empty($_POST['v_backup_remote_adv']) && isset($v_backup_remote_adv)) {
            exec(HESTIA_CMD."v-delete-backup-host ".escapeshellarg($v_backup_type), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_backup_host = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_type = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_username = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_password = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_bpath = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_bucket = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_application_id = '';
            }
            if (empty($_SESSION['error_msg'])) {
                $v_backup_application_key = '';
            }
            $v_backup_adv = '';
            $v_backup_remote_adv = '';
        }
    }

    // Change INACTIVE_SESSION_TIMEOUT
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_inactive_session_timeout'] != $_SESSION['INACTIVE_SESSION_TIMEOUT']) {
            if ($_POST['v_inactive_session_timeout'] < 1) {
                $_SESSION['error_msg'] = _('Inactive session timeout can not lower than 1 minute');
            } else {
                exec(HESTIA_CMD."v-change-sys-config-value INACTIVE_SESSION_TIMEOUT ".escapeshellarg($_POST['v_inactive_session_timeout']), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $v_inactive_session_timeout = $_POST['v_inactive_session_timeout'];
                }
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_CSRF_STRICTNESS
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_csrf_strictness'] != $_SESSION['POLICY_CSRF_STRICTNESS']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_CSRF_STRICTNESS ".escapeshellarg($_POST['v_policy_csrf_strictness']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_csrf_strictness = $_POST['v_inactive_session_timeout'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change ENFORCE_SUBDOMAIN_OWNERSHIP
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_enforce_subdomain_ownership'] != $_SESSION['ENFORCE_SUBDOMAIN_OWNERSHIP']) {
            exec(HESTIA_CMD."v-change-sys-config-value ENFORCE_SUBDOMAIN_OWNERSHIP ".escapeshellarg($_POST['v_enforce_subdomain_ownership']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_enforce_subdomain_ownership = $_POST['v_enforce_subdomain_ownership'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_EDIT_DETAILS
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_edit_details'] != $_SESSION['POLICY_USER_EDIT_DETAILS']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_EDIT_DETAILS ".escapeshellarg($_POST['v_policy_user_edit_details']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_user_edit_details = $_POST['v_policy_user_edit_details'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_EDIT_WEB_TEMPLATES
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_edit_web_templates'] != $_SESSION['POLICY_USER_EDIT_WEB_TEMPLATES']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_EDIT_WEB_TEMPLATES ".escapeshellarg($_POST['v_policy_user_edit_web_templates']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_user_edit_details = $_POST['v_policy_user_edit_web_templates'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_EDIT_DNS_TEMPLATES
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_edit_dns_templates'] != $_SESSION['POLICY_USER_EDIT_DNS_TEMPLATES']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_EDIT_DNS_TEMPLATES ".escapeshellarg($_POST['v_policy_user_edit_dns_templates']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_user_edit_details = $_POST['v_policy_user_edit_dns_templates'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_VIEW_LOGS
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_view_logs'] != $_SESSION['POLICY_USER_VIEW_LOGS']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_VIEW_LOGS ".escapeshellarg($_POST['v_policy_user_view_logs']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_user_view_logs = $_POST['v_policy_user_view_logs'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_DELETE_LOGS
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_delete_logs'] != $_SESSION['POLICY_USER_DELETE_LOGS']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_DELETE_LOGS ".escapeshellarg($_POST['v_policy_user_delete_logs']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_user_delete_logs = $_POST['v_policy_user_delete_logs'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_SYSTEM_PASSWORD_RESET
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_system_password_reset'] != $_SESSION['POLICY_SYSTEM_PASSWORD_RESET']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_SYSTEM_PASSWORD_RESET ".escapeshellarg($_POST['v_policy_system_password_reset']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_system_password_reset = $_POST['v_policy_system_password_reset'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_SYSTEM_PROTECTED_ADMIN
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_system_protected_admin'] != $_SESSION['POLICY_SYSTEM_PROTECTED_ADMIN']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_SYSTEM_PROTECTED_ADMIN ".escapeshellarg($_POST['v_policy_system_protected_admin']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_system_protected_admin = $_POST['v_policy_system_protected_admin'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_VIEW_SUSPENDED
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_view_suspended'] != $_SESSION['POLICY_USER_VIEW_SUSPENDED'] && !empty($_SESSION['POLICY_USER_VIEW_SUSPENDED'])) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_VIEW_SUSPENDED ".escapeshellarg($_POST['v_policy_user_view_suspended']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_system_hide_admin = $_POST['v_policy_user_view_suspended'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change POLICY_USER_CHANGE_THEME
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_user_change_theme'] == 'on') {
            $_POST['v_policy_user_change_theme'] = 'no';
        } else {
            $_POST['v_policy_user_change_theme'] = 'yes';
        }
        {
                if ($_POST['v_policy_user_change_theme'] != $_SESSION['POLICY_USER_CHANGE_THEME']) {
                    exec(HESTIA_CMD."v-change-sys-config-value POLICY_USER_CHANGE_THEME ".escapeshellarg($_POST['v_policy_user_change_theme']), $output, $return_var);
                    check_return_code($return_var, $output);
                    unset($output);
                    if ($_POST['v_policy_user_change_theme']) {
                        unset($_SESSION['userTheme']);
                        $require_refresh = true;
                    }
                    if (empty($_SESSION['error_msg'])) {
                        $v_policy_user_change_theme = $_POST['v_policy_user_change_theme'];
                    }
                }
          }
    }

    // Change POLICY_SYSTEM_HIDE_ADMIN
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_system_hide_admin'] != $_SESSION['POLICY_SYSTEM_HIDE_ADMIN']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_SYSTEM_HIDE_ADMIN ".escapeshellarg($_POST['v_policy_system_hide_admin']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_system_hide_admin = $_POST['v_policy_system_hide_admin'];
            }
            $v_security_adv = 'yes';
        }
    }


    // Change POLICY_SYSTEM_HIDE_SERVICES
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_policy_system_hide_services'] != $_SESSION['POLICY_SYSTEM_HIDE_SERVICES']) {
            exec(HESTIA_CMD."v-change-sys-config-value POLICY_SYSTEM_HIDE_SERVICES ".escapeshellarg($_POST['v_policy_system_hide_services']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_policy_system_hide_services = $_POST['v_policy_system_hide_services'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Change login style
    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_login_style'] != $_SESSION['LOGIN_STYLE']) {
            exec(HESTIA_CMD."v-change-sys-config-value LOGIN_STYLE ".escapeshellarg($_POST['v_login_style']), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_login_style = $_POST['v_login_style'];
            }
            $v_security_adv = 'yes';
        }
    }

    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_api_allowed_ip'] != $_SESSION['API_ALLOWED_IP']) {
            $ips = array();
            foreach (explode("\n", $_POST['v_api_allowed_ip']) as $ip) {
                if ($ip != "allow-all") {
                    if (filter_var(trim($ip), FILTER_VALIDATE_IP)) {
                        $ips[] = trim($ip);
                    }
                } else {
                    $ips[] = trim($ip);
                }
            }
            if (implode(',', $ips) != $_SESSION['API_ALLOWED_IP']) {
                exec(HESTIA_CMD."v-change-sys-config-value API_ALLOWED_IP ".escapeshellarg(implode(',', $ips)), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
                if (empty($_SESSION['error_msg'])) {
                    $v_login_style = $_POST['v_api_allowed_ip'];
                }
                $v_security_adv = 'yes';
            }
        }
    }

    if (empty($_SESSION['error_msg'])) {
        if ($_POST['v_api'] != $_SESSION['API']) {
            $api_status = 'disable';
            if ($_POST['v_api'] == 'yes') {
                $api_status = 'enable';
            }
            exec(HESTIA_CMD."v-change-sys-api ".escapeshellarg($api_status), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            if (empty($_SESSION['error_msg'])) {
                $v_login_style = $_POST['v_api'];
            }
            $v_security_adv = 'yes';
        }
    }

    // Update SSL certificate
    if ((!empty($_POST['v_ssl_crt'])) && (empty($_SESSION['error_msg']))) {
        if (($v_ssl_crt != str_replace("\r\n", "\n", $_POST['v_ssl_crt'])) || ($v_ssl_key != str_replace("\r\n", "\n", $_POST['v_ssl_key']))) {
            exec('mktemp -d', $mktemp_output, $return_var);
            $tmpdir = $mktemp_output[0];

            // Certificate
            if (!empty($_POST['v_ssl_crt'])) {
                $fp = fopen($tmpdir."/certificate.crt", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_crt']));
                fwrite($fp, "\n");
                fclose($fp);
            }

            // Key
            if (!empty($_POST['v_ssl_key'])) {
                $fp = fopen($tmpdir."/certificate.key", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_key']));
                fwrite($fp, "\n");
                fclose($fp);
            }

            exec(HESTIA_CMD."v-change-sys-hestia-ssl ".$tmpdir, $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);

            // List ssl certificate info
            exec(HESTIA_CMD."v-list-sys-hestia-ssl json", $output, $return_var);
            $ssl_str = json_decode(implode('', $output), true);
            unset($output);
            $v_ssl_crt = $ssl_str['HESTIA']['CRT'];
            $v_ssl_key = $ssl_str['HESTIA']['KEY'];
            $v_ssl_ca = $ssl_str['HESTIA']['CA'];
            $v_ssl_subject = $ssl_str['HESTIA']['SUBJECT'];
            $v_ssl_aliases = $ssl_str['HESTIA']['ALIASES'];
            $v_ssl_not_before = $ssl_str['HESTIA']['NOT_BEFORE'];
            $v_ssl_not_after = $ssl_str['HESTIA']['NOT_AFTER'];
            $v_ssl_signature = $ssl_str['HESTIA']['SIGNATURE'];
            $v_ssl_pub_key = $ssl_str['HESTIA']['PUB_KEY'];
            $v_ssl_issuer = $ssl_str['HESTIA']['ISSUER'];

            // Cleanup certificate tempfiles
            if (file_exists($tmpdir . '/certificate.crt')) {
                unlink($tmpdir . '/certificate.crt');
            }
            if (file_exists($tmpdir . '/certificate.key')) {
                unlink($tmpdir . '/certificate.key');
            }
            rmdir($tmpdir);
        }
    }

    // Flush field values on success
    if (empty($_SESSION['error_msg'])) {
        $_SESSION['ok_msg'] = _('Changes has been saved.');
    }
    if ($require_refresh == true) {
        $refresh = $_SERVER['REQUEST_URI'];
        $_SESSION['ok_msg'] = _('Changes has been saved.');
        header("Location: $refresh");
        die();
    }
}

// Check system configuration
exec(HESTIA_CMD . "v-list-sys-config json", $output, $return_var);
$data = json_decode(implode('', $output), true);
unset($output);

$sys_arr = $data['config'];
foreach ($sys_arr as $key => $value) {
    $_SESSION[$key] = $value;
}


// Render page
render_page($user, $TAB, 'edit_server');

// Flush session messages
unset($_SESSION['error_msg']);
unset($_SESSION['ok_msg']);