maintenance/removeUnusedAccounts.php

   1 <?php
   2 /**
   3  * Remove unused user accounts from the database
   4  * An unused account is one which has made no edits
   5  *
   6  * @file
   7  * @ingroup Maintenance
   8  * @author Rob Church <robchur@gmail.com>
   9  */
  10
  11
  12 $options = array( 'help', 'delete' );
  13 require_once( 'commandLine.inc' );
  14 require_once( 'removeUnusedAccounts.inc' );
  15 echo( "Remove Unused Accounts\n\n" );
  16 $fname = 'removeUnusedAccounts';
  17
  18 if( isset( $options['help'] ) ) {
  19         showHelp();
  20         exit();
  21 }
  22
  23 # Do an initial scan for inactive accounts and report the result
  24 echo( "Checking for unused user accounts...\n" );
  25 $del = array();
  26 $dbr = wfGetDB( DB_SLAVE );
  27 $res = $dbr->select( 'user', array( 'user_id', 'user_name', 'user_touched' ), '', $fname );
  28 $excludedGroups = array( 'sysop', 'bureaucrat' );
  29 while( $row = $dbr->fetchObject( $res ) ) {
  30         # Check the account, but ignore it if it's within the "sysop" or "bureaucrat" group.
  31         $instance = User::newFromId( $row->user_id );
  32         if( count( array_intersect( $instance->getGroups(), $excludedGroups ) ) == 0
  33                 && isInactiveAccount( $row->user_id, true )
  34                 && wfTimestamp( TS_UNIX, $row->user_touched ) < wfTimestamp( TS_UNIX, time() - 604800 )
  35                 ) {
  36                 # Inactive; print out the name and flag it
  37                 $del[] = $row->user_id;
  38                 echo( $row->user_name . "\n" );
  39         }
  40 }
  41 $count = count( $del );
  42 echo( "...found {$count}.\n" );
  43
  44 # If required, go back and delete each marked account
  45 if( $count > 0 && isset( $options['delete'] ) ) {
  46         echo( "\nDeleting inactive accounts..." );
  47         $dbw = wfGetDB( DB_MASTER );
  48         $dbw->delete( 'user', array( 'user_id' => $del ), $fname );
  49         echo( "done.\n" );
  50         # Update the site_stats.ss_users field
  51         $users = $dbw->selectField( 'user', 'COUNT(*)', array(), $fname );
  52         $dbw->update( 'site_stats', array( 'ss_users' => $users ), array( 'ss_row_id' => 1 ), $fname );
  53 } else {
  54         if( $count > 0 )
  55                 echo( "\nRun the script again with --delete to remove them from the database.\n" );
  56 }
  57 echo( "\n" );