154 lines
4.1 KiB
PHP
154 lines
4.1 KiB
PHP
<?php
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/**
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* Cleans up user blocks with user names not matching the 'user' table
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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use MediaWiki\Block\DatabaseBlock;
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/**
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* Maintenance script to clean up user blocks with user names not matching the
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* 'user' table.
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*
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* @ingroup Maintenance
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*/
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class CleanupBlocks extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( "Cleanup user blocks with user names not matching the 'user' table" );
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$this->setBatchSize( 1000 );
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}
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public function execute() {
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$db = $this->getDB( DB_PRIMARY );
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$blockQuery = DatabaseBlock::getQueryInfo();
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$max = $db->selectField( 'ipblocks', 'MAX(ipb_user)', [], __METHOD__ );
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// Step 1: Clean up any duplicate user blocks
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$batchSize = $this->getBatchSize();
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for ( $from = 1; $from <= $max; $from += $batchSize ) {
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$to = min( $max, $from + $batchSize - 1 );
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$this->output( "Cleaning up duplicate ipb_user ($from-$to of $max)\n" );
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$delete = [];
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$res = $db->select(
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'ipblocks',
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[ 'ipb_user' ],
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[
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"ipb_user >= " . $from,
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"ipb_user <= " . (int)$to,
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],
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__METHOD__,
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[
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'GROUP BY' => 'ipb_user',
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'HAVING' => 'COUNT(*) > 1',
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]
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);
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foreach ( $res as $row ) {
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$bestBlock = null;
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$res2 = $db->select(
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$blockQuery['tables'],
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$blockQuery['fields'],
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[
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'ipb_user' => $row->ipb_user,
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],
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__METHOD__,
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[],
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$blockQuery['joins']
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);
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foreach ( $res2 as $row2 ) {
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$block = DatabaseBlock::newFromRow( $row2 );
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if ( !$bestBlock ) {
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$bestBlock = $block;
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continue;
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}
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// Find the most-restrictive block.
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$keep = null;
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if ( $keep === null && $block->getExpiry() !== $bestBlock->getExpiry() ) {
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// This works for infinite blocks because 'infinity' > '20141024234513'
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$keep = $block->getExpiry() > $bestBlock->getExpiry();
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}
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if ( $keep === null ) {
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if ( $block->isCreateAccountBlocked() xor $bestBlock->isCreateAccountBlocked() ) {
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$keep = $block->isCreateAccountBlocked();
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} elseif ( $block->isEmailBlocked() xor $bestBlock->isEmailBlocked() ) {
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$keep = $block->isEmailBlocked();
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} elseif ( $block->isUsertalkEditAllowed() xor $bestBlock->isUsertalkEditAllowed() ) {
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$keep = $block->isUsertalkEditAllowed();
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}
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}
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if ( $keep ) {
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$delete[] = $bestBlock->getId();
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$bestBlock = $block;
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} else {
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$delete[] = $block->getId();
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}
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}
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}
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if ( $delete ) {
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$db->delete(
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'ipblocks',
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[ 'ipb_id' => $delete ],
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__METHOD__
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);
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}
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}
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// Step 2: Update the user name in any blocks where it doesn't match
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for ( $from = 1; $from <= $max; $from += $batchSize ) {
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$to = min( $max, $from + $batchSize - 1 );
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$this->output( "Cleaning up mismatched user name ($from-$to of $max)\n" );
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$res = $db->select(
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[ 'ipblocks', 'user' ],
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[ 'ipb_id', 'user_name' ],
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[
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'ipb_user = user_id',
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"ipb_user >= " . $from,
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"ipb_user <= " . (int)$to,
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'ipb_address != user_name',
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],
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__METHOD__
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);
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foreach ( $res as $row ) {
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$db->update(
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'ipblocks',
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[ 'ipb_address' => $row->user_name ],
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[ 'ipb_id' => $row->ipb_id ],
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__METHOD__
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);
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}
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}
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$this->output( "Done!\n" );
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}
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}
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$maintClass = CleanupBlocks::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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