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 require_once __DIR__ . '/Maintenance.php';
  38
  39 /**
  40  * Interactive shell with completion and global scope.
  41  *
  42  */
  43 class MediaWikiShell extends Maintenance {
  44
  45         public function __construct() {
  46                 parent::__construct();
  47                 $this->addOption( 'd',
  48                         'For back compatibility with eval.php. ' .
  49                         '0 send debug to stdout. ' .
  50                         'With 1 additionally initialize database with debugging ',
  51                         false, true
  52                 );
  53         }
  54
  55         public function execute() {
  56                 if ( !class_exists( \Psy\Shell::class ) ) {
  57                         $this->error( 'PsySH not found. Please run composer with the --dev option.', 1 );
  58                 }
  59
  60                 $traverser = new \PhpParser\NodeTraverser();
  61                 $codeCleaner = new \Psy\CodeCleaner( null, null, $traverser );
  62
  63                 // add this after initializing the code cleaner so all the default passes get added first
  64                 $traverser->addVisitor( new CodeCleanerGlobalsPass() );
  65
  66                 $config = new \Psy\Configuration( [ 'codeCleaner' => $codeCleaner ] );
  67                 $config->setUpdateCheck( \Psy\VersionUpdater\Checker::NEVER );
  68                 $shell = new \Psy\Shell( $config );
  69                 if ( $this->hasOption( 'd' ) ) {
  70                         $this->setupLegacy();
  71                 }
  72
  73                 $shell->run();
  74         }
  75
  76         /**
  77          * For back compatibility with eval.php
  78          */
  79         protected function setupLegacy() {
  80                 global $wgDebugLogFile;
  81
  82                 $d = intval( $this->getOption( 'd' ) );
  83                 if ( $d > 0 ) {
  84                         $wgDebugLogFile = 'php://stdout';
  85                 }
  86                 if ( $d > 1 ) {
  87                         # Set DBO_DEBUG (equivalent of $wgDebugDumpSql)
  88                         # XXX copy pasted from eval.php :(
  89                         $lb = wfGetLB();
  90                         $serverCount = $lb->getServerCount();
  91                         for ( $i = 0; $i < $serverCount; $i++ ) {
  92                                 $server = $lb->getServerInfo( $i );
  93                                 $server['flags'] |= DBO_DEBUG;
  94                                 $lb->setServerInfo( $i, $server );
  95                         }
  96                 }
  97         }
  98
  99 }
 100
 101 $maintClass = 'MediaWikiShell';
 102 require_once RUN_MAINTENANCE_IF_MAIN;