3 * Cleans up user blocks with user names not matching the 'user' table
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
21 * @ingroup Maintenance
24 require_once __DIR__
. '/Maintenance.php';
27 * Maintenance script to clean up user blocks with user names not matching the
30 * @ingroup Maintenance
32 class CleanupBlocks
extends Maintenance
{
34 public function __construct() {
35 parent
::__construct();
36 $this->addDescription( "Cleanup user blocks with user names not matching the 'user' table" );
37 $this->setBatchSize( 1000 );
40 public function execute() {
41 $db = $this->getDB( DB_MASTER
);
42 $blockQuery = Block
::getQueryInfo();
44 $max = $db->selectField( 'ipblocks', 'MAX(ipb_user)' );
46 // Step 1: Clean up any duplicate user blocks
47 $batchSize = $this->getBatchSize();
48 for ( $from = 1; $from <= $max; $from +
= $batchSize ) {
49 $to = min( $max, $from +
$batchSize - 1 );
50 $this->output( "Cleaning up duplicate ipb_user ($from-$to of $max)\n" );
58 "ipb_user >= " . (int)$from,
59 "ipb_user <= " . (int)$to,
63 'GROUP BY' => 'ipb_user',
64 'HAVING' => 'COUNT(*) > 1',
67 foreach ( $res as $row ) {
70 $blockQuery['tables'],
71 $blockQuery['fields'],
73 'ipb_user' => $row->ipb_user
,
79 foreach ( $res2 as $row2 ) {
80 $block = Block
::newFromRow( $row2 );
86 // Find the most-restrictive block. Can't use
87 // Block::chooseBlock because that's for IP blocks, not
90 if ( $keep === null && $block->getExpiry() !== $bestBlock->getExpiry() ) {
91 // This works for infinite blocks because 'infinity' > '20141024234513'
92 $keep = $block->getExpiry() > $bestBlock->getExpiry();
94 if ( $keep === null ) {
95 foreach ( [ 'createaccount', 'sendemail', 'editownusertalk' ] as $action ) {
96 if ( $block->prevents( $action ) xor $bestBlock->prevents( $action ) ) {
97 $keep = $block->prevents( $action );
104 $delete[] = $bestBlock->getId();
107 $delete[] = $block->getId();
115 [ 'ipb_id' => $delete ],
121 // Step 2: Update the user name in any blocks where it doesn't match
122 for ( $from = 1; $from <= $max; $from +
= $batchSize ) {
123 $to = min( $max, $from +
$batchSize - 1 );
124 $this->output( "Cleaning up mismatched user name ($from-$to of $max)\n" );
127 [ 'ipblocks', 'user' ],
128 [ 'ipb_id', 'user_name' ],
130 'ipb_user = user_id',
131 "ipb_user >= " . (int)$from,
132 "ipb_user <= " . (int)$to,
133 'ipb_address != user_name',
137 foreach ( $res as $row ) {
140 [ 'ipb_address' => $row->user_name
],
141 [ 'ipb_id' => $row->ipb_id
],
147 $this->output( "Done!\n" );
151 $maintClass = "CleanupBlocks";
152 require_once RUN_MAINTENANCE_IF_MAIN
;