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   1  <?php
   2  /**
   3   * Rollback all edits by a given user or IP provided they're the most
   4   * recent edit (just like real rollback)
   5   *
   6   * This program is free software; you can redistribute it and/or modify
   7   * it under the terms of the GNU General Public License as published by
   8   * the Free Software Foundation; either version 2 of the License, or
   9   * (at your option) any later version.
  10   *
  11   * This program is distributed in the hope that it will be useful,
  12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14   * GNU General Public License for more details.
  15   *
  16   * You should have received a copy of the GNU General Public License along
  17   * with this program; if not, write to the Free Software Foundation, Inc.,
  18   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19   * http://www.gnu.org/copyleft/gpl.html
  20   *
  21   * @file
  22   * @ingroup Maintenance
  23   */
  24  
  25  require_once  __DIR__ . '/Maintenance.php';
  26  
  27  /**
  28   * Maintenance script to rollback all edits by a given user or IP provided
  29   * they're the most recent edit.
  30   *
  31   * @ingroup Maintenance
  32   */
  33  class RollbackEdits extends Maintenance {
  34  	public function __construct() {
  35          parent::__construct();
  36          $this->mDescription =
  37              "Rollback all edits by a given user or IP provided they're the most recent edit";
  38          $this->addOption(
  39              'titles',
  40              'A list of titles, none means all titles where the given user is the most recent',
  41              false,
  42              true
  43          );
  44          $this->addOption( 'user', 'A user or IP to rollback all edits for', true, true );
  45          $this->addOption( 'summary', 'Edit summary to use', false, true );
  46          $this->addOption( 'bot', 'Mark the edits as bot' );
  47      }
  48  
  49  	public function execute() {
  50          $user = $this->getOption( 'user' );
  51          $username = User::isIP( $user ) ? $user : User::getCanonicalName( $user );
  52          if ( !$username ) {
  53              $this->error( 'Invalid username', true );
  54          }
  55  
  56          $bot = $this->hasOption( 'bot' );
  57          $summary = $this->getOption( 'summary', $this->mSelf . ' mass rollback' );
  58          $titles = array();
  59          $results = array();
  60          if ( $this->hasOption( 'titles' ) ) {
  61              foreach ( explode( '|', $this->getOption( 'titles' ) ) as $title ) {
  62                  $t = Title::newFromText( $title );
  63                  if ( !$t ) {
  64                      $this->error( 'Invalid title, ' . $title );
  65                  } else {
  66                      $titles[] = $t;
  67                  }
  68              }
  69          } else {
  70              $titles = $this->getRollbackTitles( $user );
  71          }
  72  
  73          if ( !$titles ) {
  74              $this->output( 'No suitable titles to be rolled back' );
  75  
  76              return;
  77          }
  78  
  79          $doer = User::newFromName( 'Maintenance script' );
  80  
  81          foreach ( $titles as $t ) {
  82              $page = WikiPage::factory( $t );
  83              $this->output( 'Processing ' . $t->getPrefixedText() . '... ' );
  84              if ( !$page->commitRollback( $user, $summary, $bot, $results, $doer ) ) {
  85                  $this->output( "done\n" );
  86              } else {
  87                  $this->output( "failed\n" );
  88              }
  89          }
  90      }
  91  
  92      /**
  93       * Get all pages that should be rolled back for a given user
  94       * @param string $user A name to check against rev_user_text
  95       * @return array
  96       */
  97  	private function getRollbackTitles( $user ) {
  98          $dbr = wfGetDB( DB_SLAVE );
  99          $titles = array();
 100          $results = $dbr->select(
 101              array( 'page', 'revision' ),
 102              array( 'page_namespace', 'page_title' ),
 103              array( 'page_latest = rev_id', 'rev_user_text' => $user ),
 104              __METHOD__
 105          );
 106          foreach ( $results as $row ) {
 107              $titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
 108          }
 109  
 110          return $titles;
 111      }
 112  }
 113  
 114  $maintClass = 'RollbackEdits';
 115  require_once RUN_MAINTENANCE_IF_MAIN;