d40d4a9bc7
Filter for an unused right gives an empty group array, which is not added to the query and than all users (with limit) are selected. Change-Id: I57c3c4d2b49653d71391b0d7755fdc0ad1d3a7d0
451 lines
14 KiB
PHP
451 lines
14 KiB
PHP
<?php
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/**
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*
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*
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* Created on July 7, 2007
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*
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* Copyright © 2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
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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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*/
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/**
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* Query module to enumerate all registered users.
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*
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* @ingroup API
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*/
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class ApiQueryAllUsers extends ApiQueryBase {
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public function __construct( $query, $moduleName ) {
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parent::__construct( $query, $moduleName, 'au' );
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}
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/**
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* This function converts the user name to a canonical form
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* which is stored in the database.
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* @param String $name
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* @return String
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*/
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private function getCanonicalUserName( $name ) {
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return str_replace( '_', ' ', $name );
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}
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public function execute() {
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$db = $this->getDB();
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$params = $this->extractRequestParams();
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$prop = $params['prop'];
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if ( !is_null( $prop ) ) {
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$prop = array_flip( $prop );
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$fld_blockinfo = isset( $prop['blockinfo'] );
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$fld_editcount = isset( $prop['editcount'] );
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$fld_groups = isset( $prop['groups'] );
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$fld_rights = isset( $prop['rights'] );
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$fld_registration = isset( $prop['registration'] );
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$fld_implicitgroups = isset( $prop['implicitgroups'] );
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} else {
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$fld_blockinfo = $fld_editcount = $fld_groups = $fld_registration = $fld_rights = $fld_implicitgroups = false;
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}
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$limit = $params['limit'];
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$this->addTables( 'user' );
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$useIndex = true;
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$dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' );
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$from = is_null( $params['from'] ) ? null : $this->getCanonicalUserName( $params['from'] );
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$to = is_null( $params['to'] ) ? null : $this->getCanonicalUserName( $params['to'] );
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# MySQL doesn't seem to use 'equality propagation' here, so like the
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# ActiveUsers special page, we have to use rc_user_text for some cases.
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$userFieldToSort = $params['activeusers'] ? 'rc_user_text' : 'user_name';
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$this->addWhereRange( $userFieldToSort, $dir, $from, $to );
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if ( !is_null( $params['prefix'] ) ) {
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$this->addWhere( $userFieldToSort .
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$db->buildLike( $this->getCanonicalUserName( $params['prefix'] ), $db->anyString() ) );
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}
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if ( !is_null( $params['rights'] ) && count( $params['rights'] ) ) {
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$groups = array();
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foreach( $params['rights'] as $r ) {
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$groups = array_merge( $groups, User::getGroupsWithPermission( $r ) );
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}
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// no group with the given right(s) exists, no need for a query
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if( !count( $groups ) ) {
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$this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), '' );
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return;
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}
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$groups = array_unique( $groups );
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if ( is_null( $params['group'] ) ) {
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$params['group'] = $groups;
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} else {
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$params['group'] = array_unique( array_merge( $params['group'], $groups ) );
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}
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}
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if ( !is_null( $params['group'] ) && !is_null( $params['excludegroup'] ) ) {
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$this->dieUsage( 'group and excludegroup cannot be used together', 'group-excludegroup' );
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}
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if ( !is_null( $params['group'] ) && count( $params['group'] ) ) {
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$useIndex = false;
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// Filter only users that belong to a given group
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$this->addTables( 'user_groups', 'ug1' );
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$this->addJoinConds( array( 'ug1' => array( 'INNER JOIN', array( 'ug1.ug_user=user_id',
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'ug1.ug_group' => $params['group'] ) ) ) );
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}
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if ( !is_null( $params['excludegroup'] ) && count( $params['excludegroup'] ) ) {
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$useIndex = false;
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// Filter only users don't belong to a given group
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$this->addTables( 'user_groups', 'ug1' );
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if ( count( $params['excludegroup'] ) == 1 ) {
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$exclude = array( 'ug1.ug_group' => $params['excludegroup'][0] );
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} else {
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$exclude = array( $db->makeList( array( 'ug1.ug_group' => $params['excludegroup'] ), LIST_OR ) );
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}
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$this->addJoinConds( array( 'ug1' => array( 'LEFT OUTER JOIN',
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array_merge( array( 'ug1.ug_user=user_id' ), $exclude )
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)
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) );
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$this->addWhere( 'ug1.ug_user IS NULL' );
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}
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if ( $params['witheditsonly'] ) {
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$this->addWhere( 'user_editcount > 0' );
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}
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$this->showHiddenUsersAddBlockInfo( $fld_blockinfo );
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if ( $fld_groups || $fld_rights ) {
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// Show the groups the given users belong to
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// request more than needed to avoid not getting all rows that belong to one user
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$groupCount = count( User::getAllGroups() );
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$sqlLimit = $limit + $groupCount + 1;
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$this->addTables( 'user_groups', 'ug2' );
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$this->addJoinConds( array( 'ug2' => array( 'LEFT JOIN', 'ug2.ug_user=user_id' ) ) );
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$this->addFields( 'ug2.ug_group ug_group2' );
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} else {
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$sqlLimit = $limit + 1;
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}
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if ( $params['activeusers'] ) {
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global $wgActiveUserDays;
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$this->addTables( 'recentchanges' );
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$this->addJoinConds( array( 'recentchanges' => array(
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'INNER JOIN', 'rc_user_text=user_name'
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) ) );
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$this->addFields( array( 'recentedits' => 'COUNT(*)' ) );
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$this->addWhere( 'rc_log_type IS NULL OR rc_log_type != ' . $db->addQuotes( 'newusers' ) );
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$timestamp = $db->timestamp( wfTimestamp( TS_UNIX ) - $wgActiveUserDays*24*3600 );
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$this->addWhere( 'rc_timestamp >= ' . $db->addQuotes( $timestamp ) );
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$this->addOption( 'GROUP BY', $userFieldToSort );
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}
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$this->addOption( 'LIMIT', $sqlLimit );
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$this->addFields( array(
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'user_name',
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'user_id'
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) );
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$this->addFieldsIf( 'user_editcount', $fld_editcount );
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$this->addFieldsIf( 'user_registration', $fld_registration );
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if ( $useIndex ) {
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$this->addOption( 'USE INDEX', array( 'user' => 'user_name' ) );
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}
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$res = $this->select( __METHOD__ );
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$count = 0;
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$lastUserData = false;
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$lastUser = false;
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$result = $this->getResult();
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//
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// This loop keeps track of the last entry.
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// For each new row, if the new row is for different user then the last, the last entry is added to results.
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// Otherwise, the group of the new row is appended to the last entry.
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// The setContinue... is more complex because of this, and takes into account the higher sql limit
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// to make sure all rows that belong to the same user are received.
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foreach ( $res as $row ) {
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$count++;
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if ( $lastUser !== $row->user_name ) {
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// Save the last pass's user data
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if ( is_array( $lastUserData ) ) {
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$fit = $result->addValue( array( 'query', $this->getModuleName() ),
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null, $lastUserData );
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$lastUserData = null;
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if ( !$fit ) {
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$this->setContinueEnumParameter( 'from', $lastUserData['name'] );
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break;
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}
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}
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if ( $count > $limit ) {
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// We've reached the one extra which shows that there are additional pages to be had. Stop here...
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$this->setContinueEnumParameter( 'from', $row->user_name );
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break;
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}
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// Record new user's data
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$lastUser = $row->user_name;
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$lastUserData = array(
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'userid' => $row->user_id,
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'name' => $lastUser,
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);
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if ( $fld_blockinfo && !is_null( $row->ipb_by_text ) ) {
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$lastUserData['blockid'] = $row->ipb_id;
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$lastUserData['blockedby'] = $row->ipb_by_text;
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$lastUserData['blockedbyid'] = $row->ipb_by;
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$lastUserData['blockreason'] = $row->ipb_reason;
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$lastUserData['blockexpiry'] = $row->ipb_expiry;
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}
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if ( $row->ipb_deleted ) {
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$lastUserData['hidden'] = '';
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}
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if ( $fld_editcount ) {
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$lastUserData['editcount'] = intval( $row->user_editcount );
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}
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if ( $params['activeusers'] ) {
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$lastUserData['recenteditcount'] = intval( $row->recentedits );
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}
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if ( $fld_registration ) {
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$lastUserData['registration'] = $row->user_registration ?
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wfTimestamp( TS_ISO_8601, $row->user_registration ) : '';
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}
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}
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if ( $sqlLimit == $count ) {
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// BUG! database contains group name that User::getAllGroups() does not return
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// TODO: should handle this more gracefully
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ApiBase::dieDebug( __METHOD__,
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'MediaWiki configuration error: the database contains more user groups than known to User::getAllGroups() function' );
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}
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$lastUserObj = User::newFromId( $row->user_id );
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// Add user's group info
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if ( $fld_groups ) {
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if ( !isset( $lastUserData['groups'] ) ) {
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if ( $lastUserObj ) {
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$lastUserData['groups'] = $lastUserObj->getAutomaticGroups();
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} else {
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// This should not normally happen
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$lastUserData['groups'] = array();
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}
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}
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if ( !is_null( $row->ug_group2 ) ) {
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$lastUserData['groups'][] = $row->ug_group2;
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}
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$result->setIndexedTagName( $lastUserData['groups'], 'g' );
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}
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if ( $fld_implicitgroups && !isset( $lastUserData['implicitgroups'] ) && $lastUserObj ) {
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$lastUserData['implicitgroups'] = $lastUserObj->getAutomaticGroups();
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$result->setIndexedTagName( $lastUserData['implicitgroups'], 'g' );
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}
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if ( $fld_rights ) {
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if ( !isset( $lastUserData['rights'] ) ) {
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if ( $lastUserObj ) {
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$lastUserData['rights'] = User::getGroupPermissions( $lastUserObj->getAutomaticGroups() );
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} else {
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// This should not normally happen
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$lastUserData['rights'] = array();
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}
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}
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if ( !is_null( $row->ug_group2 ) ) {
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$lastUserData['rights'] = array_unique( array_merge( $lastUserData['rights'],
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User::getGroupPermissions( array( $row->ug_group2 ) ) ) );
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}
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$result->setIndexedTagName( $lastUserData['rights'], 'r' );
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}
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}
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if ( is_array( $lastUserData ) ) {
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$fit = $result->addValue( array( 'query', $this->getModuleName() ),
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null, $lastUserData );
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if ( !$fit ) {
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$this->setContinueEnumParameter( 'from', $lastUserData['name'] );
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}
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}
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$result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'u' );
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}
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public function getCacheMode( $params ) {
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return 'anon-public-user-private';
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}
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public function getAllowedParams() {
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$userGroups = User::getAllGroups();
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return array(
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'from' => null,
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'to' => null,
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'prefix' => null,
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'dir' => array(
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ApiBase::PARAM_DFLT => 'ascending',
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ApiBase::PARAM_TYPE => array(
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'ascending',
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'descending'
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),
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),
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'group' => array(
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ApiBase::PARAM_TYPE => $userGroups,
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ApiBase::PARAM_ISMULTI => true,
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),
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'excludegroup' => array(
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ApiBase::PARAM_TYPE => $userGroups,
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ApiBase::PARAM_ISMULTI => true,
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),
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'rights' => array(
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ApiBase::PARAM_TYPE => User::getAllRights(),
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ApiBase::PARAM_ISMULTI => true,
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),
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'prop' => array(
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ApiBase::PARAM_ISMULTI => true,
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ApiBase::PARAM_TYPE => array(
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'blockinfo',
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'groups',
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'implicitgroups',
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'rights',
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'editcount',
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'registration'
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)
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),
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'limit' => array(
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ApiBase::PARAM_DFLT => 10,
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ApiBase::PARAM_TYPE => 'limit',
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ApiBase::PARAM_MIN => 1,
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ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
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ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
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),
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'witheditsonly' => false,
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'activeusers' => false,
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);
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}
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public function getParamDescription() {
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global $wgActiveUserDays;
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return array(
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'from' => 'The user name to start enumerating from',
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'to' => 'The user name to stop enumerating at',
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'prefix' => 'Search for all users that begin with this value',
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'dir' => 'Direction to sort in',
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'group' => 'Limit users to given group name(s)',
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'excludegroup' => 'Exclude users in given group name(s)',
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'rights' => 'Limit users to given right(s) (does not include rights granted by implicit or auto-promoted groups like *, user, or autoconfirmed)',
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'prop' => array(
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'What pieces of information to include.',
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' blockinfo - Adds the information about a current block on the user',
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' groups - Lists groups that the user is in. This uses more server resources and may return fewer results than the limit',
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' implicitgroups - Lists all the groups the user is automatically in',
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' rights - Lists rights that the user has',
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' editcount - Adds the edit count of the user',
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' registration - Adds the timestamp of when the user registered if available (may be blank)',
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),
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'limit' => 'How many total user names to return',
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'witheditsonly' => 'Only list users who have made edits',
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'activeusers' => "Only list users active in the last {$wgActiveUserDays} days(s)"
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);
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}
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public function getResultProperties() {
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return array(
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'' => array(
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'userid' => 'integer',
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'name' => 'string',
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'recenteditcount' => array(
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ApiBase::PROP_TYPE => 'integer',
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ApiBase::PROP_NULLABLE => true
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)
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),
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'blockinfo' => array(
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'blockid' => array(
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ApiBase::PROP_TYPE => 'integer',
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ApiBase::PROP_NULLABLE => true
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),
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'blockedby' => array(
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ApiBase::PROP_TYPE => 'string',
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ApiBase::PROP_NULLABLE => true
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),
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'blockedbyid' => array(
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ApiBase::PROP_TYPE => 'integer',
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ApiBase::PROP_NULLABLE => true
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),
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'blockedreason' => array(
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ApiBase::PROP_TYPE => 'string',
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ApiBase::PROP_NULLABLE => true
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),
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'blockedexpiry' => array(
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ApiBase::PROP_TYPE => 'string',
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ApiBase::PROP_NULLABLE => true
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),
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'hidden' => 'boolean'
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),
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'editcount' => array(
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'editcount' => 'integer'
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),
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'registration' => array(
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'registration' => 'string'
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)
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);
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}
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public function getDescription() {
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return 'Enumerate all registered users';
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}
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public function getPossibleErrors() {
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return array_merge( parent::getPossibleErrors(), array(
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array( 'code' => 'group-excludegroup', 'info' => 'group and excludegroup cannot be used together' ),
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) );
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}
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public function getExamples() {
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return array(
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'api.php?action=query&list=allusers&aufrom=Y',
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);
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}
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public function getHelpUrls() {
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return 'https://www.mediawiki.org/wiki/API:Allusers';
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}
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public function getVersion() {
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return __CLASS__ . ': $Id$';
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}
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}
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