155 lines
4.8 KiB
PHP
155 lines
4.8 KiB
PHP
<?php
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/**
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* Find all revisions by logged out users and copy the rev_id,
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* rev_timestamp, and a hex representation of rev_user_text to the
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* new ip_changes table. This table is used to efficiently query for
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* contributions within an IP range.
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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\MediaWikiServices;
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use Wikimedia\IPUtils;
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/**
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* Maintenance script that will find all rows in the revision table where
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* rev_user = 0 (user is an IP), and copy relevant fields to ip_changes so
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* that historical data will be available when querying for IP ranges.
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*
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* @ingroup Maintenance
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*/
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class PopulateIpChanges extends LoggedUpdateMaintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( <<<TEXT
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This script will find all rows in the revision table where the user is an IP,
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and copy relevant fields to the ip_changes table. This backfilled data will
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then be available when querying for IP ranges at Special:Contributions.
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TEXT
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);
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$this->addOption( 'rev-id', 'The rev_id to start copying from. Default: 0', false, true );
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$this->addOption(
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'max-rev-id',
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'The rev_id to stop at. Default: result of MAX(rev_id)',
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false,
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true
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);
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$this->addOption(
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'throttle',
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'Wait this many milliseconds after copying each batch of revisions. Default: 0',
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false,
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true
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);
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$this->addOption( 'force', 'Run regardless of whether the database says it\'s been run already' );
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}
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public function doDBUpdates() {
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$dbw = $this->getDB( DB_PRIMARY );
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if ( !$dbw->tableExists( 'ip_changes', __METHOD__ ) ) {
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$this->fatalError( 'ip_changes table does not exist' );
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}
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$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
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$dbr = $this->getDB( DB_REPLICA, [ 'vslow' ] );
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$throttle = intval( $this->getOption( 'throttle', 0 ) );
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$maxRevId = intval( $this->getOption( 'max-rev-id', 0 ) );
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$start = $this->getOption( 'rev-id', 0 );
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$end = $maxRevId > 0
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? $maxRevId
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: $dbw->selectField( 'revision', 'MAX(rev_id)', '', __METHOD__ );
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if ( empty( $end ) ) {
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$this->output( "No revisions found, aborting.\n" );
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return true;
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}
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$blockStart = $start;
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$attempted = 0;
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$inserted = 0;
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$this->output( "Copying IP revisions to ip_changes, from rev_id $start to rev_id $end\n" );
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$actorMigration = ActorMigration::newMigration();
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$actorQuery = $actorMigration->getJoin( 'rev_user' );
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$revUserIsAnon = $actorMigration->isAnon( $actorQuery['fields']['rev_user'] );
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while ( $blockStart <= $end ) {
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$blockEnd = min( $blockStart + $this->getBatchSize(), $end );
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$rows = $dbr->select(
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[ 'revision' ] + $actorQuery['tables'],
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[ 'rev_id', 'rev_timestamp', 'rev_user_text' => $actorQuery['fields']['rev_user_text'] ],
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[ "rev_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd, $revUserIsAnon ],
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__METHOD__,
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[],
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$actorQuery['joins']
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);
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$numRows = $rows->numRows();
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if ( !$rows || $numRows === 0 ) {
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$blockStart = $blockEnd + 1;
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continue;
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}
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$this->output( "...checking $numRows revisions for IP edits that need copying, " .
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"between rev_ids $blockStart and $blockEnd\n" );
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$insertRows = [];
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foreach ( $rows as $row ) {
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// Make sure this is really an IP, e.g. not maintenance user or imported revision.
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if ( IPUtils::isValid( $row->rev_user_text ) ) {
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$insertRows[] = [
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'ipc_rev_id' => $row->rev_id,
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'ipc_rev_timestamp' => $row->rev_timestamp,
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'ipc_hex' => IPUtils::toHex( $row->rev_user_text ),
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];
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$attempted++;
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}
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}
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if ( $insertRows ) {
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$dbw->insert( 'ip_changes', $insertRows, __METHOD__, [ 'IGNORE' ] );
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$inserted += $dbw->affectedRows();
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}
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$lbFactory->waitForReplication();
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usleep( $throttle * 1000 );
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$blockStart = $blockEnd + 1;
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}
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$this->output( "Attempted to insert $attempted IP revisions, $inserted actually done.\n" );
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return true;
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}
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protected function getUpdateKey() {
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return 'populate ip_changes';
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}
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}
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$maintClass = PopulateIpChanges::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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