3 * API for MediaWiki 1.8+
5 * Created on July 7, 2007
7 * Copyright © 2007 Yuri Astrakhan <Firstname><Lastname>@gmail.com
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 * http://www.gnu.org/copyleft/gpl.html
27 if ( !defined( 'MEDIAWIKI' ) ) {
28 // Eclipse helper - will be ignored in production
29 require_once( 'ApiQueryBase.php' );
33 * Query module to enumerate all registered users.
37 class ApiQueryAllUsers extends ApiQueryBase {
38 public function __construct( $query, $moduleName ) {
39 parent::__construct( $query, $moduleName, 'au' );
42 public function execute() {
44 $params = $this->extractRequestParams();
46 $prop = $params['prop'];
47 if ( !is_null( $prop ) ) {
48 $prop = array_flip( $prop );
49 $fld_blockinfo = isset( $prop['blockinfo'] );
50 $fld_editcount = isset( $prop['editcount'] );
51 $fld_groups = isset( $prop['groups'] );
52 $fld_registration = isset( $prop['registration'] );
54 $fld_blockinfo = $fld_editcount = $fld_groups = $fld_registration = $fld_rights = false;
57 $limit = $params['limit'];
58 $this->addTables( 'user', 'u1' );
61 if ( !is_null( $params['from'] ) ) {
62 $this->addWhere( 'u1.user_name >= ' . $db->addQuotes( $this->keyToTitle( $params['from'] ) ) );
64 if ( !is_null( $params['to'] ) ) {
65 $this->addWhere( 'u1.user_name <= ' . $db->addQuotes( $this->keyToTitle( $params['to'] ) ) );
68 if ( !is_null( $params['prefix'] ) ) {
69 $this->addWhere( 'u1.user_name' . $db->buildLike( $this->keyToTitle( $params['prefix'] ), $db->anyString() ) );
72 if ( !is_null( $params['group'] ) ) {
74 // Filter only users that belong to a given group
75 $this->addTables( 'user_groups', 'ug1' );
76 $ug1 = $this->getAliasedName( 'user_groups', 'ug1' );
77 $this->addJoinConds( array( $ug1 => array( 'INNER JOIN', array( 'ug1.ug_user=u1.user_id',
78 'ug1.ug_group' => $params['group'] ) ) ) );
81 if ( $params['witheditsonly'] ) {
82 $this->addWhere( 'u1.user_editcount > 0' );
86 // Show the groups the given users belong to
87 // request more than needed to avoid not getting all rows that belong to one user
88 $groupCount = count( User::getAllGroups() );
89 $sqlLimit = $limit + $groupCount + 1;
91 $this->addTables( 'user_groups', 'ug2' );
92 $tname = $this->getAliasedName( 'user_groups', 'ug2' );
93 $this->addJoinConds( array( $tname => array( 'LEFT JOIN', 'ug2.ug_user=u1.user_id' ) ) );
94 $this->addFields( 'ug2.ug_group ug_group2' );
96 $sqlLimit = $limit + 1;
98 $this->showHiddenUsersAddBlockInfo( $fld_blockinfo );
100 $this->addOption( 'LIMIT', $sqlLimit );
102 $this->addFields( array(
106 $this->addFieldsIf( 'u1.user_editcount', $fld_editcount );
107 $this->addFieldsIf( 'u1.user_registration', $fld_registration );
109 $this->addOption( 'ORDER BY', 'u1.user_name' );
111 $u1 = $this->getAliasedName( 'user', 'u1' );
112 $this->addOption( 'USE INDEX', array( $u1 => 'user_name' ) );
115 $res = $this->select( __METHOD__ );
118 $lastUserData = false;
120 $result = $this->getResult();
123 // This loop keeps track of the last entry.
124 // For each new row, if the new row is for different user then the last, the last entry is added to results.
125 // Otherwise, the group of the new row is appended to the last entry.
126 // The setContinue... is more complex because of this, and takes into account the higher sql limit
127 // to make sure all rows that belong to the same user are received.
129 foreach ( $res as $row ) {
132 if ( $lastUser !== $row->user_name ) {
133 // Save the last pass's user data
134 if ( is_array( $lastUserData ) ) {
135 $fit = $result->addValue( array( 'query', $this->getModuleName() ),
136 null, $lastUserData );
138 $lastUserData = null;
141 $this->setContinueEnumParameter( 'from',
142 $this->keyToTitle( $lastUserData['name'] ) );
147 if ( $count > $limit ) {
148 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
149 $this->setContinueEnumParameter( 'from', $this->keyToTitle( $row->user_name ) );
153 // Record new user's data
154 $lastUser = $row->user_name;
155 $lastUserData = array(
157 'userid' => $row->user_id,
159 if ( $fld_blockinfo && !is_null( $row->blocker_name ) ) {
160 $lastUserData['blockedby'] = $row->blocker_name;
161 $lastUserData['blockreason'] = $row->ipb_reason;
163 if ( $row->ipb_deleted ) {
164 $lastUserData['hidden'] = '';
166 if ( $fld_editcount ) {
167 $lastUserData['editcount'] = intval( $row->user_editcount );
169 if ( $fld_registration ) {
170 $lastUserData['registration'] = $row->user_registration ?
171 wfTimestamp( TS_ISO_8601, $row->user_registration ) : '';
176 if ( $sqlLimit == $count ) {
177 // BUG! database contains group name that User::getAllGroups() does not return
178 // TODO: should handle this more gracefully
179 ApiBase::dieDebug( __METHOD__,
180 'MediaWiki configuration error: the database contains more user groups than known to User::getAllGroups() function' );
183 // Add user's group info
184 if ( $fld_groups && !is_null( $row->ug_group2 ) ) {
185 $lastUserData['groups'][] = $row->ug_group2;
186 $result->setIndexedTagName( $lastUserData['groups'], 'g' );
190 if ( is_array( $lastUserData ) ) {
191 $fit = $result->addValue( array( 'query', $this->getModuleName() ),
192 null, $lastUserData );
194 $this->setContinueEnumParameter( 'from',
195 $this->keyToTitle( $lastUserData['name'] ) );
199 $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'u' );
202 public function getCacheMode( $params ) {
203 return 'anon-public-user-private';
206 public function getAllowedParams() {
212 ApiBase::PARAM_TYPE => User::getAllGroups()
215 ApiBase::PARAM_ISMULTI => true,
216 ApiBase::PARAM_TYPE => array(
224 ApiBase::PARAM_DFLT => 10,
225 ApiBase::PARAM_TYPE => 'limit',
226 ApiBase::PARAM_MIN => 1,
227 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
228 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
230 'witheditsonly' => false,
234 public function getParamDescription() {
236 'from' => 'The user name to start enumerating from',
237 'to' => 'The user name to stop enumerating at',
238 'prefix' => 'Search for all users that begin with this value',
239 'group' => 'Limit users to a given group name',
241 'What pieces of information to include.',
242 ' blockinfo - Adds the information about a current block on the user',
243 ' groups - Lists groups that the user is in',
244 ' editcount - Adds the edit count of the user',
245 ' registration - Adds the timestamp of when the user registered',
246 '`groups` property uses more server resources and may return fewer results than the limit' ),
247 'limit' => 'How many total user names to return',
248 'witheditsonly' => 'Only list users who have made edits',
252 public function getDescription() {
253 return 'Enumerate all registered users';
256 protected function getExamples() {
258 'api.php?action=query&list=allusers&aufrom=Y',
262 public function getVersion() {
263 return __CLASS__ . ': $Id$';