maintenance/shell.php

   1 <?php
   2 /**
   3  * Modern interactive shell within the MediaWiki engine.
   4  *
   5  * Merely wraps around http://psysh.org/ and drop an interactive PHP shell in
   6  * the global scope.
   7  *
   8  * Copyright © 2017 Antoine Musso <hashar@free.fr>
   9  * Copyright © 2017 Gergő Tisza <tgr.huwiki@gmail.com>
  10  * Copyright © 2017 Justin Hileman <justin@justinhileman.info>
  11  * Copyright © 2017 Wikimedia Foundation Inc.
  12  * https://www.mediawiki.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  27  * http://www.gnu.org/copyleft/gpl.html
  28  *
  29  * @file
  30  * @ingroup Maintenance
  31  *
  32  * @author Antoine Musso <hashar@free.fr>
  33  * @author Justin Hileman <justin@justinhileman.info>
  34  * @author Gergő Tisza <tgr.huwiki@gmail.com>
  35  */
  36
  37 use MediaWiki\Logger\LoggerFactory;
  38 use MediaWiki\Logger\ConsoleSpi;
  39 use MediaWiki\MediaWikiServices;
  40
  41 require_once __DIR__ . '/Maintenance.php';
  42
  43 /**
  44  * Interactive shell with completion and global scope.
  45  *
  46  */
  47 class MediaWikiShell extends Maintenance {
  48
  49         public function __construct() {
  50                 parent::__construct();
  51                 $this->addOption( 'd',
  52                         'For back compatibility with eval.php. ' .
  53                         '1 send debug to stderr. ' .
  54                         'With 2 additionally initialize database with debugging ',
  55                         false, true
  56                 );
  57         }
  58
  59         public function execute() {
  60                 if ( !class_exists( \Psy\Shell::class ) ) {
  61                         $this->fatalError( 'PsySH not found. Please run composer with the --dev option.' );
  62                 }
  63
  64                 $traverser = new \PhpParser\NodeTraverser();
  65                 $codeCleaner = new \Psy\CodeCleaner( null, null, $traverser );
  66
  67                 // add this after initializing the code cleaner so all the default passes get added first
  68                 $traverser->addVisitor( new CodeCleanerGlobalsPass() );
  69
  70                 $config = new \Psy\Configuration( [ 'codeCleaner' => $codeCleaner ] );
  71                 $config->setUpdateCheck( \Psy\VersionUpdater\Checker::NEVER );
  72                 $shell = new \Psy\Shell( $config );
  73                 if ( $this->hasOption( 'd' ) ) {
  74                         $this->setupLegacy();
  75                 }
  76
  77                 $shell->run();
  78         }
  79
  80         /**
  81          * For back compatibility with eval.php
  82          */
  83         protected function setupLegacy() {
  84                 $d = intval( $this->getOption( 'd' ) );
  85                 if ( $d > 0 ) {
  86                         LoggerFactory::registerProvider( new ConsoleSpi );
  87                         // Some services hold Logger instances in object properties
  88                         MediaWikiServices::resetGlobalInstance();
  89                 }
  90                 if ( $d > 1 ) {
  91                         # Set DBO_DEBUG (equivalent of $wgDebugDumpSql)
  92                         wfGetDB( DB_MASTER )->setFlag( DBO_DEBUG );
  93                         wfGetDB( DB_REPLICA )->setFlag( DBO_DEBUG );
  94                 }
  95         }
  96
  97 }
  98
  99 $maintClass = MediaWikiShell::class;
 100 require_once RUN_MAINTENANCE_IF_MAIN;