librenms-librenms/app/Http/Controllers/Install/FinalizeController.php

<?php
/**
 * FinalizeController.php
 *
 * -Description-
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    LibreNMS
 * @link       http://librenms.org
 * @copyright  2020 Tony Murray
 * @author     Tony Murray <murraytony@gmail.com>
 */

namespace App\Http\Controllers\Install;

class FinalizeController extends \App\Http\Controllers\Controller
{
    public function __invoke()
    {
        return view('install.finish');
    }

    private function writeConfigFile($config_file)
    {
        $file = base_path('config.php');
        if (!file_exists($file)) {
            $conf = fopen($file, 'w');
            if ($conf != false) {
                if (fwrite($conf, "<?php\n") === false) {
                    echo("<div class='alert alert-danger'>We couldn't create the config.php file, please create this manually before continuing by copying the below into a config.php in the root directory of your install (typically /opt/librenms/)</div>");
                    echo("<pre>&lt;?php\n" . stripslashes($config_file) . "</pre>");
                } else {
                    $config_file = stripslashes($config_file);
                    fwrite($conf, $config_file);
                    echo("<div class='alert alert-success'>The config file has been created</div>");
                }
                fclose($conf);
            } else {
                echo("<div class='alert alert-danger'>We couldn't create the config.php file, please create this manually before continuing by copying the below into a config.php in the root directory of your install (typically /opt/librenms/)</div>");
                echo("<pre>&lt;?php\n" . stripslashes($config_file) . "</pre>");
            }
        }
    }

    public static function enabled($steps): bool
    {
        foreach ($steps as $step => $controller) {
            if ($step !== 'finish' && !session("install.$step")) {
                return false;
            }
        }

        return true;
    }

    public static function icon(): string
    {
        return 'fa-check';
    }

    private function getConfigFileContents()
    {
        $db = session('db');
        $install_dir = base_path();

        return <<<"EOD"
## Have a look in defaults.inc.php for examples of settings you can set here. DO NOT EDIT defaults.inc.php!

### Database config
\$config\['db_host'\] = '${$db['host']}';
\$config\['db_port'\] = '${$db['port']}';
\$config\['db_user'\] = '${$db['username']}';
\$config\['db_pass'\] = '${$db['password']}';
\$config\['db_name'\] = '${$db['database']}';
\$config\['db_socket'\] = '${$db['unix_socket']}';

// This is the user LibreNMS will run as
//Please ensure this user is created and has the correct permissions to your install
\$config['user'] = 'librenms';

### Locations - it is recommended to keep the default
#\$config\['install_dir'\]  = "$install_dir";

### This should *only* be set if you want to *force* a particular hostname/port
### It will prevent the web interface being usable form any other hostname
#\$config\['base_url'\]        = "http://librenms.company.com";

### Enable this to use rrdcached. Be sure rrd_dir is within the rrdcached dir
### and that your web server has permission to talk to rrdcached.
#\$config\['rrdcached'\]    = "unix:/var/run/rrdcached.sock";

### Default community
\$config\['snmp'\]\['community'\] = array("public");

### Authentication Model
\$config\['auth_mechanism'\] = "mysql"; # default, other options: ldap, http-auth
#\$config\['http_auth_guest'\] = "guest"; # remember to configure this user if you use http-auth

### List of RFC1918 networks to allow scanning-based discovery
#\$config\['nets'\]\[\] = "10.0.0.0/8";
#\$config\['nets'\]\[\] = "172.16.0.0/12";
#\$config\['nets'\]\[\] = "192.168.0.0/16";

# Update configuration
#\$config\['update_channel'\] = 'release';  # uncomment to follow the monthly release channel
#\$config\['update'\] = 0;  # uncomment to completely disable updates
EOD;

    }
}