maintenance/updateRestrictions.php

   1 <?php
   2
   3 /*
   4  * Makes the required database changes for the CheckUser extension
   5  */
   6
   7 define( 'BATCH_SIZE', 100 );
   8
   9 require_once 'commandLine.inc';
  10
  11 $db =& wfGetDB( DB_MASTER );
  12 if ( !$db->tableExists( 'page_restrictions' ) ) {
  13         echo "page_restrictions does not exist\n";
  14         exit( 1 );
  15 }
  16
  17 migrate_page_restrictions( $db );
  18
  19 function migrate_page_restrictions( $db ) {
  20
  21         $start = $db->selectField( 'page', 'MIN(page_id)', false, __FUNCTION__ );
  22         $end = $db->selectField( 'page', 'MAX(page_id)', false, __FUNCTION__ );
  23         $blockStart = $start;
  24         $blockEnd = $start + BATCH_SIZE - 1;
  25         $encodedExpiry = Block::decodeExpiry('');
  26         while ( $blockEnd <= $end ) {
  27                 $cond = "page_id BETWEEN $blockStart AND $blockEnd AND page_rescrictions !=''";
  28                 $res = $db->select( 'page', array('page_id', 'page_restrictions'), $cond, __FUNCTION__ );
  29                 $batch = array();
  30                 while ( $row = $db->fetchObject( $res ) ) {
  31                         $oldRestrictions = array();
  32                         foreach( explode( ':', trim( $row->page_restrictions ) ) as $restrict ) {
  33                                 $temp = explode( '=', trim( $restrict ) );
  34                                 if(count($temp) == 1) {
  35                                         // old old format should be treated as edit/move restriction
  36                                         $oldRestrictions["edit"] = explode( ',', trim( $temp[0] ) );
  37                                         $oldRestrictions["move"] = explode( ',', trim( $temp[0] ) );
  38                                 } else {
  39                                         $oldRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
  40                                 }
  41                         }
  42                         # Update restrictions table
  43                         foreach( $oldRestrictions as $action => $restrictions ) {
  44                                 $batch[] = array(
  45                                         'pr_page' => $row->page_id,
  46                                         'pr_type' => $action,
  47                                         'pr_level' => $restrictions,
  48                                         'pr_cascade' => 0,
  49                                         'pr_expiry' => $encodedExpiry
  50                                 );
  51                         }
  52                         # Update page record
  53                         $db->update( 'page',
  54                                 array( /* SET */
  55                                         'page_restrictions' => ''
  56                                 ), array( /* WHERE */
  57                                         'page_id' => $row->page_id
  58                                 ), 'migrate_restrictions'
  59                         );
  60                 }
  61                 # We use insert() and not replace() as Article.php replaces
  62                 # page_restrictions with '' when protected in the restrictions table
  63                 if ( count( $batch ) ) {
  64                         $db->insert( 'page_restictions', $batch, __FUNCTION__ );
  65                 }
  66                 $blockStart += BATCH_SIZE;
  67                 $blockEnd += BATCH_SIZE;
  68                 wfWaitForSlaves( 5 );
  69         }
  70 }
  71
  72 ?>