235 lines
6.8 KiB
PHP
235 lines
6.8 KiB
PHP
<?php
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# Copyright (C) 2004 Brion Vibber, lcrocker, Tim Starling,
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# Domas Mituzas, Ashar Voultoiz, Jens Frank, Zhengzhu.
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#
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# © 2006 Rob Church <robchur@gmail.com>
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#
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# http://www.mediawiki.org/
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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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*
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* @package MediaWiki
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* @subpackage SpecialPage
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*/
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/**
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* This class is used to get a list of user. The ones with specials
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* rights (sysop, bureaucrat, developer) will have them displayed
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* next to their names.
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*
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* @package MediaWiki
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* @subpackage SpecialPage
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*/
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class ListUsersPage extends QueryPage {
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var $requestedGroup = '';
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var $requestedUser = '';
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function getName() {
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return 'Listusers';
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}
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function isSyndicated() { return false; }
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/**
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* Not expensive, this class won't work properly with the caching system anyway
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*/
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function isExpensive() {
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return false;
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}
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/**
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* Fetch user page links and cache their existence
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*/
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function preprocessResults( &$db, &$res ) {
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$batch = new LinkBatch;
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while ( $row = $db->fetchObject( $res ) ) {
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$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
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}
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$batch->execute();
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// Back to start for display
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if( $db->numRows( $res ) > 0 ) {
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// If there are no rows we get an error seeking.
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$db->dataSeek( $res, 0 );
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}
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}
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/**
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* Show a drop down list to select a group as well as a user name
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* search box.
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* @todo localize
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*/
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function getPageHeader( ) {
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$self = $this->getTitle();
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# Form tag
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$out = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $self->getLocalUrl() ) );
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# Group drop-down list
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$out .= wfElement( 'label', array( 'for' => 'group' ), wfMsg( 'group' ) ) . ' ';
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$out .= wfOpenElement( 'select', array( 'name' => 'group' ) );
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$out .= wfElement( 'option', array( 'value' => '' ), wfMsg( 'group-all' ) ); # Item for "all groups"
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$groups = User::getAllGroups();
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foreach( $groups as $group ) {
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$attribs = array( 'value' => $group );
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if( $group == $this->requestedGroup )
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$attribs['selected'] = 'selected';
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$out .= wfElement( 'option', $attribs, User::getGroupName( $group ) );
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}
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$out .= wfCloseElement( 'select' ) . ' ';;# . wfElement( 'br' );
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# Username field
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$out .= wfElement( 'label', array( 'for' => 'username' ), wfMsg( 'specialloguserlabel' ) ) . ' ';
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$out .= wfElement( 'input', array( 'type' => 'text', 'id' => 'username', 'name' => 'username',
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'value' => $this->requestedUser ) ) . ' ';
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# Preserve offset and limit
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if( $this->offset )
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$out .= wfElement( 'input', array( 'type' => 'hidden', 'name' => 'offset', 'value' => $this->offset ) );
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if( $this->limit )
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$out .= wfElement( 'input', array( 'type' => 'hidden', 'name' => 'limit', 'value' => $this->limit ) );
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# Submit button and form bottom
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$out .= wfElement( 'input', array( 'type' => 'submit', 'value' => wfMsg( 'allpagessubmit' ) ) );
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$out .= wfCloseElement( 'form' );
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return $out;
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}
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function getSQL() {
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$dbr =& wfGetDB( DB_SLAVE );
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$user = $dbr->tableName( 'user' );
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$user_groups = $dbr->tableName( 'user_groups' );
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// We need to get an 'atomic' list of users, so that we
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// don't break the list half-way through a user's group set
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// and so that lists by group will show all group memberships.
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//
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// On MySQL 4.1 we could use GROUP_CONCAT to grab group
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// assignments together with users pretty easily. On other
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// versions, it's not so easy to do it consistently.
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// For now we'll just grab the number of memberships, so
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// we can then do targetted checks on those who are in
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// non-default groups as we go down the list.
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$userspace = NS_USER;
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$sql = "SELECT 'Listusers' as type, $userspace AS namespace, user_name AS title, " .
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"user_name as value, user_id, COUNT(ug_group) as numgroups " .
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"FROM $user ".
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"LEFT JOIN $user_groups ON user_id=ug_user " .
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$this->userQueryWhere( $dbr ) .
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" GROUP BY user_name";
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return $sql;
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}
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function userQueryWhere( &$dbr ) {
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$conds = $this->userQueryConditions();
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return empty( $conds )
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? ""
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: "WHERE " . $dbr->makeList( $conds, LIST_AND );
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}
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function userQueryConditions() {
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$conds = array();
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if( $this->requestedGroup != '' ) {
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$conds['ug_group'] = $this->requestedGroup;
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}
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if( $this->requestedUser != '' ) {
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$conds['user_name'] = $this->requestedUser;
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}
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return $conds;
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}
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function linkParameters() {
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$conds = array();
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if( $this->requestedGroup != '' ) {
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$conds['group'] = $this->requestedGroup;
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}
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if( $this->requestedUser != '' ) {
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$conds['username'] = $this->requestedUser;
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}
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return $conds;
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}
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function sortDescending() {
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return false;
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}
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function formatResult( $skin, $result ) {
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$userPage = Title::makeTitle( $result->namespace, $result->title );
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$name = $skin->makeLinkObj( $userPage, htmlspecialchars( $userPage->getText() ) );
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$groups = null;
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if( !isset( $result->numgroups ) || $result->numgroups > 0 ) {
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$dbr =& wfGetDB( DB_SLAVE );
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$result = $dbr->select( 'user_groups',
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array( 'ug_group' ),
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array( 'ug_user' => $result->user_id ),
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'ListUsersPage::formatResult' );
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$groups = array();
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while( $row = $dbr->fetchObject( $result ) ) {
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$groups[$row->ug_group] = User::getGroupMember( $row->ug_group );
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}
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$dbr->freeResult( $result );
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if( count( $groups ) > 0 ) {
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foreach( $groups as $group => $desc ) {
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if( $page = User::getGroupPage( $group ) ) {
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$list[] = $skin->makeLinkObj( $page, htmlspecialchars( $desc ) );
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} else {
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$list[] = htmlspecialchars( $desc );
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}
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}
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$groups = implode( ', ', $list );
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} else {
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$groups = '';
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}
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}
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return wfSpecialList( $name, $groups );
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}
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}
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/**
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* constructor
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* $par string (optional) A group to list users from
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*/
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function wfSpecialListusers( $par = null ) {
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global $wgRequest, $wgContLang;
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list( $limit, $offset ) = wfCheckLimits();
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$slu = new ListUsersPage();
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/**
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* Get some parameters
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*/
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$groupTarget = isset($par) ? $par : $wgRequest->getVal( 'group' );
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$slu->requestedGroup = $groupTarget;
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# 'Validate' the username first
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$username = $wgRequest->getText( 'username', '' );
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$user = User::newFromName( $username );
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$slu->requestedUser = is_object( $user ) ? $user->getName() : '';
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return $slu->doQuery( $offset, $limit );
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}
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?>
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