maintenance/shell.php
<?php
/**
* Modern interactive shell within the MediaWiki engine.
*
* Merely wraps around http://psysh.org/ and drop an interactive PHP shell in
* the global scope.
*
* Copyright © 2017 Antoine Musso <hashar@free.fr>
* Copyright © 2017 Gergő Tisza <tgr.huwiki@gmail.com>
* Copyright © 2017 Justin Hileman <justin@justinhileman.info>
* Copyright © 2017 Wikimedia Foundation Inc.
* https://www.mediawiki.org/
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*
* @author Antoine Musso <hashar@free.fr>
* @author Justin Hileman <justin@justinhileman.info>
* @author Gergő Tisza <tgr.huwiki@gmail.com>
*/
// NO_AUTOLOAD -- file-scope code
use MediaWiki\HookContainer\HookRunner;
use MediaWiki\Logger\ConsoleSpi;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MediaWikiServices;
use Psr\Log\LogLevel;
// Horrible hack to support the --no-session parameter, which needs to be handled
// way before parameters are parsed.
if ( in_array( '--no-session', $_SERVER['argv'], true ) ) {
define( 'MW_NO_SESSION', 1 );
}
require_once __DIR__ . '/Maintenance.php';
/**
* Interactive shell with completion and global scope.
*
*/
class MediaWikiShell extends Maintenance {
public function __construct() {
parent::__construct();
$this->addOption( 'd',
'Deprecated, for back compatibility with eval.php. ' .
'1 send debug to stderr. ' .
'With 2 additionally initialize database with debugging ',
false, true
);
$this->addOption( 'log-channels', 'Send the given log channels to STDERR. '
. 'Format: channel[:level],...', false, true );
$this->addOption( 'log-all', 'Send all log channels to STDERR.' );
$this->addOption( 'dbo-debug', 'Set DBO_DEBUG flags (equivalent of $wgDebugDumpSql).' );
$this->addOption( 'no-session',
'Disable session support (like MW_NO_SESSION)'
);
}
public function canExecuteWithoutLocalSettings(): bool {
return true;
}
public function execute() {
if ( !class_exists( \Psy\Shell::class ) ) {
$this->fatalError( 'PsySH not found. Please run composer with the --dev option.' );
}
$traverser = new \PhpParser\NodeTraverser();
$codeCleaner = new \Psy\CodeCleaner( null, null, $traverser );
// add this after initializing the code cleaner so all the default passes get added first
$traverser->addVisitor( new CodeCleanerGlobalsPass() );
$config = new \Psy\Configuration();
$config->setCodeCleaner( $codeCleaner );
$config->setUpdateCheck( \Psy\VersionUpdater\Checker::NEVER );
// prevent https://github.com/bobthecow/psysh/issues/443 when using sudo -E
$config->setRuntimeDir( wfTempDir() );
$shell = new \Psy\Shell( $config );
$this->setupLogging();
( new HookRunner( $this->getServiceContainer()->getHookContainer() ) )->onMaintenanceShellStart();
$shell->run();
}
protected function setupLogging() {
if ( $this->hasOption( 'd' ) ) {
wfDeprecated( 'shell.php -d', '1.40' );
$this->setupLegacy();
return;
}
if ( $this->hasOption( 'log-all' ) ) {
LoggerFactory::registerProvider( new ConsoleSpi( [
'forwardTo' => LoggerFactory::getProvider(),
] ) );
// Some services hold Logger instances in object properties
MediaWikiServices::resetGlobalInstance();
MediaWikiServices::getInstance()->getObjectCacheFactory()->clear();
} elseif ( $this->hasOption( 'log-channels' ) ) {
$channelsArg = $this->getOption( 'log-channels' );
$channels = [];
foreach ( explode( ',', $channelsArg ) as $channelArg ) {
$parts = explode( ':', $channelArg );
$channel = $parts[0];
$level = $parts[1] ?? LogLevel::DEBUG;
$channels[$channel] = $level;
}
LoggerFactory::registerProvider( new ConsoleSpi( [
'channels' => $channels,
'forwardTo' => LoggerFactory::getProvider(),
] ) );
MediaWikiServices::resetGlobalInstance();
MediaWikiServices::getInstance()->getObjectCacheFactory()->clear();
}
if ( $this->hasOption( 'dbo-debug' ) ) {
$this->getPrimaryDB()->setFlag( DBO_DEBUG );
$this->getReplicaDB()->setFlag( DBO_DEBUG );
}
}
/**
* For back compatibility with eval.php
*/
protected function setupLegacy() {
$d = intval( $this->getOption( 'd' ) );
if ( $d > 0 ) {
LoggerFactory::registerProvider( new ConsoleSpi );
// Some services hold Logger instances in object properties
MediaWikiServices::resetGlobalInstance();
MediaWikiServices::getInstance()->getObjectCacheFactory()->clear();
}
if ( $d > 1 ) {
# Set DBO_DEBUG (equivalent of $wgDebugDumpSql)
$this->getPrimaryDB()->setFlag( DBO_DEBUG );
$this->getReplicaDB()->setFlag( DBO_DEBUG );
}
}
}
$maintClass = MediaWikiShell::class;
require_once RUN_MAINTENANCE_IF_MAIN;