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								<?php
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								namespace App\Commands;
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								use Illuminate\Console\Scheduling\Schedule;
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								use LaravelZero\Framework\Commands\Command;
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								use Illuminate\Support\Facades\File;
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								use App\Facades\Install;
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								use Hackzilla\PasswordGenerator\Generator\ComputerPasswordGenerator;
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								use Hackzilla\PasswordGenerator\RandomGenerator\Php7RandomGenerator;
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								/**
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								 *  Install Mariadb
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								 *
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								 *  @author Björn Hase, Tentakelfabrik
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								 *  @license http://opensource.org/licenses/MIT The MIT License
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								 *  @link https://gitea.tentakelfabrik.de/Tentakelfabrik/mcp
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								 *
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								 */
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								class MariadbInstallCommand extends Command
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								{
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								    // destination for username and password
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								    const MCP_LOG_FILE = '/root/mcp.log';
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								    // length for password
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								    const PASSWORD_LENGTH = 40;
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								    /**
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								     * The signature of the command.
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								     *
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								     * @var string
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								     */
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								    protected $signature = 'mariadb:install {version=10.4} {--remote}';
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								    /**
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								     * The description of the command.
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								     *
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								     * @var string
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								     */
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								    protected $description = 'Install Mariadb and set configuration';
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								    /**
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								     * Execute the console command.
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								     *
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								     * @return mixed
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								     */
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								    public function handle()
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								    {
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								        $this->info('Mariadb install...');
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								        $version = $this->argument('version');
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								        exec('apt update 2>&1', $output);
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								        // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
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								        $this->line(implode("\n", Install::filterAptMessages($output)));
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								        if ($version === '10.4') {
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								            $this->info('Mariadb try install 10.04...');
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								            // getting release
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								            $release = Install::getDistributionRelease();
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								            if (Install::getDistributionId() === 'Ubuntu' &&  ($release === '18.04' || $release === '20.04')) {
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								                $this->info('Mariadb install for Ubuntu '.$release.'...');
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								                $output = [];
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								                exec('apt install -y software-properties-common 2>&1', $output);
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								                exec('apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8 2>&1', $output);
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								                exec('add-apt-repository -y "deb [arch=amd64,arm64,ppc64el] http://mariadb.mirror.liquidtelecom.com/repo/10.4/ubuntu '.Install::getDistributionCodename().' main" 2>&1', $output);
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								                exec('apt update 2>&1', $output);
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								            }
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								        }
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								        exec('apt install -y mariadb-server mariadb-client 2>&1', $output);
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								        // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
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								        $this->line(implode("\n", Install::filterAptMessages($output)));
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								        if (Install::isReady('mariadb-server') && Install::isReady('mariadb-client')) {
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								            $this->info('Mariadb setup...');
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								            // setting password for root, repeat until
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								            do {
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								                $password = $this->secret('Root Password');
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								                $passwordRepeat = $this->secret('Repeat Root Password');
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								                if ($password !== $passwordRepeat) {
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								                    $this->error('Password not equal! Try again!');
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								                }
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								                if (empty($password)) {
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								                    $this->error('Password is empty! Try again!');
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								                }
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								            } while ($password !== $passwordRepeat || empty($password));
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								            // make sure root can only access from local
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								            $this->info('Mariadb make sure root can ony access from local...');
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								            system('sudo mysql -u root -e "DELETE FROM mysql.user WHERE User=\'root\' AND Host NOT IN (\'localhost\', \'127.0.0.1\', \'::1\');"');
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								            // delete anonymous user
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								            $this->info('Mariadb delete anonymous user...');
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								            system('sudo mysql -u root -e "DELETE FROM mysql.user WHERE User=\'\';"');
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								            // drop test database and anthing familiar
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								            $this->info('Mariadb drop test and anthing familiar...');
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								            system('sudo mysql -u root -e "DROP DATABASE IF EXISTS test;"');
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								            system('sudo mysql -u root -e "DELETE FROM mysql.db WHERE Db=\'test\' OR Db=\'test_%\';"');
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								            // remove plugin for root and set password
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								            $this->info('Mariadb add password for root...');
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								            if ($version === '10.4') {
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								                system('sudo mysql -u root -e "ALTER USER root@localhost IDENTIFIED VIA mysql_native_password USING PASSWORD(\''.$password.'\'); FLUSH PRIVILEGES;"');
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								            } else {
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								                system('sudo mysql -u root -e "UPDATE mysql.user SET Password=PASSWORD(\''.$password.'\') WHERE User=\'root\'; FLUSH PRIVILEGES;"');
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								                system('sudo mysql -u root -e "UPDATE mysql.user SET plugin=\'\' where User=\'root\';"');
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								            }
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								            $this->info('Mariadb installing...Success! \o/');
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								            if ($this->option('remote') === true) {
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								                $this->removeAccess();
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								            }
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								        } else {
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								            $this->error('Failed! Please check log-file!');
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								        }
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								    }
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								    /**
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								     *
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								     *
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								     */
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								    private function remoteAccess()
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								    {
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								        $this->info('Mariadb remote...');
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								        system('mkdir -p /etc/mysql/ssl');
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								        $this->info('Generating CA');
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								        system('openssl genrsa 4096 > /etc/mysql/ssl/ca-key.pem');
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								        system('openssl req -new -x509 -nodes -days 365000 -key /etc/mysql/ssl/ca-key.pem -out /etc/mysql/ssl/ca-cert.pem -subj "/CN='.$name.'-mysql-ca"');
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								        $this->info('Generating Server Certificate');
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								        system('openssl req -newkey rsa:4096 -days 365000 -nodes -keyout /etc/mysql/ssl/server-key.pem -out /etc/mysql/ssl/server-req.pem -subj "/CN='.$name.'-mysql-server"');
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								        system('openssl rsa -in /etc/mysql/ssl/server-key.pem -out /etc/mysql/ssl/server-key.pem');
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								        system('openssl x509 -req -in /etc/mysql/ssl/server-req.pem -days 365000 -CA /etc/mysql/ssl/ca-cert.pem -CAkey /etc/mysql/ssl/ca-key.pem -set_serial 01 -out /etc/mysql/ssl/server-cert.pem');
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								        $this->info('Generating Client Certificate');
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								        system('openssl req -newkey rsa:4096 -days 365000 -nodes -keyout /etc/mysql/ssl/client-key.pem -out /etc/mysql/ssl/client-req.pem -subj "/CN='.$name.'-mysql-server"');
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								        system('openssl rsa -in /etc/mysql/ssl/client-key.pem -out /etc/mysql/ssl/client-key.pem');
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								        system('openssl x509 -req -in /etc/mysql/ssl/client-req.pem -days 365000 -CA /etc/mysql/ssl/ca-cert.pem -CAkey /etc/mysql/ssl/ca-key.pem -set_serial 01 -out /etc/mysql/ssl/client-cert.pem');
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								        $this->info('Validate Certificates');
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								        system('openssl verify -CAfile /etc/mysql/ssl/ca-cert.pem /etc/mysql/ssl/server-cert.pem /etc/mysql/ssl/client-cert.pem');
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								        system('cat >> /etc/mysql/my.cnf << EOF
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								[mysqld]
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								bind-address = 0.0.0.0
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								ssl-ca=/etc/mysql/ssl/ca-cert.pem
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								ssl-cert=/etc/mysql/ssl/server-cert.pem
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								ssl-key=/etc/mysql/ssl/server-key.pem
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								[client]
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								ssl-ca=/etc/mysql/ssl/ca-cert.pem
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								ssl-cert=/etc/mysql/ssl/client-cert.pem
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								ssl-key=/etc/mysql/ssl/client-key.pem
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								        EOF');
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								        system('chown -R mysql:mysql /etc/mysql/ssl');
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								        system('chmod 644 /etc/mysql/ssl/*cert*');
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								        system('chmod 644 /etc/mysql/ssl/*key*');
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								        system('service restart mariadb');
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								        system('ufw allow mysql');
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								        $this->info('Mariadb remote...Success! \o/');
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								    }
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								}
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