114 lines
2.7 KiB
PHP
114 lines
2.7 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Shell;
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use ExecutableFinder;
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use Psr\Log\LoggerAwareTrait;
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use Psr\Log\NullLogger;
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/**
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* Factory facilitating dependency injection for Command
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*
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* @since 1.30
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*/
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class CommandFactory {
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use LoggerAwareTrait;
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/** @var array */
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private $limits;
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/** @var string|bool */
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private $cgroup;
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/** @var bool */
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private $doLogStderr = false;
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/**
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* @var string|bool
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*/
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private $restrictionMethod;
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/**
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* @var string|bool
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*/
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private $firejail;
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/**
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* Constructor
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*
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* @param array $limits See {@see Command::limits()}
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* @param string|bool $cgroup See {@see Command::cgroup()}
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* @param string|bool $restrictionMethod
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*/
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public function __construct( array $limits, $cgroup, $restrictionMethod ) {
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$this->limits = $limits;
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$this->cgroup = $cgroup;
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if ( $restrictionMethod === 'autodetect' ) {
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// On Linux systems check for firejail
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if ( PHP_OS === 'Linux' && $this->findFirejail() !== false ) {
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$this->restrictionMethod = 'firejail';
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} else {
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$this->restrictionMethod = false;
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}
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} else {
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$this->restrictionMethod = $restrictionMethod;
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}
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$this->setLogger( new NullLogger() );
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}
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private function findFirejail() {
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if ( $this->firejail === null ) {
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$this->firejail = ExecutableFinder::findInDefaultPaths( 'firejail' );
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}
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return $this->firejail;
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}
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/**
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* When enabled, text sent to stderr will be logged with a level of 'error'.
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*
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* @param bool $yesno
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* @see Command::logStderr
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*/
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public function logStderr( $yesno = true ) {
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$this->doLogStderr = $yesno;
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}
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/**
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* Instantiates a new Command
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*
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* @return Command
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*/
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public function create(): Command {
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if ( $this->restrictionMethod === 'firejail' ) {
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$command = new FirejailCommand( $this->findFirejail() );
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$command->restrict( Shell::RESTRICT_DEFAULT );
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} else {
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$command = new Command();
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}
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$command->setLogger( $this->logger );
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return $command
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->limits( $this->limits )
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->cgroup( $this->cgroup )
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->logStderr( $this->doLogStderr );
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}
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}
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