26505b170a
Until now, we relied on setting MW_NO_SETUP which was a) hacky, b) irreversable, and c) likely to be forgotten if you didn't use one of the wrappers like runChild(). Instead, move the freaky magic to doMaintenance and have *it* check if it's in a specific call stack that indicates this is being run from the file scope and should be executed. Rename DO_MAINTENANCE to RUN_MAINTENANCE_IF_MAIN so it's nice and clear what magic happens behind the require_once().
110 lines
4.2 KiB
PHP
110 lines
4.2 KiB
PHP
<?php
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/**
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* Remove unused user accounts from the database
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* An unused account is one which has made no edits
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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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* @ingroup Maintenance
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* @author Rob Church <robchur@gmail.com>
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*/
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require_once( dirname( __FILE__ ) . '/Maintenance.php' );
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class RemoveUnusedAccounts extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addOption( 'delete', 'Actually delete the account' );
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$this->addOption( 'ignore-groups', 'List of comma-separated groups to exclude', false, true );
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$this->addOption( 'ignore-touched', 'Skip accounts touched in last N days', false, true );
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}
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public function execute() {
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$this->output( "Remove unused accounts\n\n" );
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# Do an initial scan for inactive accounts and report the result
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$this->output( "Checking for unused user accounts...\n" );
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$del = array();
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'user', array( 'user_id', 'user_name', 'user_touched' ), '', __METHOD__ );
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if ( $this->hasOption( 'ignore-groups' ) ) {
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$excludedGroups = explode( ',', $this->getOption( 'ignore-groups' ) );
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} else {
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$excludedGroups = array();
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}
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$touched = $this->getOption( 'ignore-touched', "1" );
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if ( !ctype_digit( $touched ) ) {
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$this->error( "Please put a valid positive integer on the --ignore-touched parameter.", true );
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}
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$touchedSeconds = 86400 * $touched;
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foreach ( $res as $row ) {
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# Check the account, but ignore it if it's within a $excludedGroups group or if it's touched within the $touchedSeconds seconds.
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$instance = User::newFromId( $row->user_id );
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if ( count( array_intersect( $instance->getEffectiveGroups(), $excludedGroups ) ) == 0
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&& $this->isInactiveAccount( $row->user_id, true )
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&& wfTimestamp( TS_UNIX, $row->user_touched ) < wfTimestamp( TS_UNIX, time() - $touchedSeconds )
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) {
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# Inactive; print out the name and flag it
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$del[] = $row->user_id;
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$this->output( $row->user_name . "\n" );
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}
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}
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$count = count( $del );
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$this->output( "...found {$count}.\n" );
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# If required, go back and delete each marked account
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if ( $count > 0 && $this->hasOption( 'delete' ) ) {
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$this->output( "\nDeleting inactive accounts..." );
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$dbw = wfGetDB( DB_MASTER );
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$dbw->delete( 'user', array( 'user_id' => $del ), __METHOD__ );
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$this->output( "done.\n" );
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# Update the site_stats.ss_users field
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$users = $dbw->selectField( 'user', 'COUNT(*)', array(), __METHOD__ );
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$dbw->update( 'site_stats', array( 'ss_users' => $users ), array( 'ss_row_id' => 1 ), __METHOD__ );
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} elseif ( $count > 0 ) {
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$this->output( "\nRun the script again with --delete to remove them from the database.\n" );
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}
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$this->output( "\n" );
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}
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/**
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* Could the specified user account be deemed inactive?
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* (No edits, no deleted edits, no log entries, no current/old uploads)
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*
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* @param $id User's ID
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* @param $master Perform checking on the master
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* @return bool
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*/
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private function isInactiveAccount( $id, $master = false ) {
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$dbo = wfGetDB( $master ? DB_MASTER : DB_SLAVE );
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$checks = array( 'revision' => 'rev', 'archive' => 'ar', 'logging' => 'log',
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'image' => 'img', 'oldimage' => 'oi' );
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$count = 0;
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$dbo->begin();
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foreach ( $checks as $table => $fprefix ) {
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$conds = array( $fprefix . '_user' => $id );
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$count += (int)$dbo->selectField( $table, 'COUNT(*)', $conds, __METHOD__ );
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}
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$dbo->commit();
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return $count == 0;
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}
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}
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$maintClass = "RemoveUnusedAccounts";
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require_once( RUN_MAINTENANCE_IF_MAIN );
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