includes/specials/pagers/UsersPager.php

   1 <?php
   2 /**
   3  * Copyright © 2004 Brion Vibber, lcrocker, Tim Starling,
   4  * Domas Mituzas, Antoine Musso, Jens Frank, Zhengzhu,
   5  * 2006 Rob Church <robchur@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup Pager
  24  */
  25
  26 /**
  27  * This class is used to get a list of user. The ones with specials
  28  * rights (sysop, bureaucrat, developer) will have them displayed
  29  * next to their names.
  30  *
  31  * @ingroup Pager
  32  */
  33 class UsersPager extends AlphabeticPager {
  34
  35         /**
  36          * @var array[] A array with user ids as key and a array of groups as value
  37          */
  38         protected $userGroupCache;
  39
  40         /**
  41          * @param IContextSource|null $context
  42          * @param array|null $par (Default null)
  43          * @param bool|null $including Whether this page is being transcluded in
  44          * another page
  45          */
  46         function __construct( IContextSource $context = null, $par = null, $including = null ) {
  47                 if ( $context ) {
  48                         $this->setContext( $context );
  49                 }
  50
  51                 $request = $this->getRequest();
  52                 $par = ( $par !== null ) ? $par : '';
  53                 $parms = explode( '/', $par );
  54                 $symsForAll = [ '*', 'user' ];
  55
  56                 if ( $parms[0] != '' &&
  57                         ( in_array( $par, User::getAllGroups() ) || in_array( $par, $symsForAll ) )
  58                 ) {
  59                         $this->requestedGroup = $par;
  60                         $un = $request->getText( 'username' );
  61                 } elseif ( count( $parms ) == 2 ) {
  62                         $this->requestedGroup = $parms[0];
  63                         $un = $parms[1];
  64                 } else {
  65                         $this->requestedGroup = $request->getVal( 'group' );
  66                         $un = ( $par != '' ) ? $par : $request->getText( 'username' );
  67                 }
  68
  69                 if ( in_array( $this->requestedGroup, $symsForAll ) ) {
  70                         $this->requestedGroup = '';
  71                 }
  72                 $this->editsOnly = $request->getBool( 'editsOnly' );
  73                 $this->temporaryGroupsOnly = $request->getBool( 'temporaryGroupsOnly' );
  74                 $this->creationSort = $request->getBool( 'creationSort' );
  75                 $this->including = $including;
  76                 $this->mDefaultDirection = $request->getBool( 'desc' )
  77                         ? IndexPager::DIR_DESCENDING
  78                         : IndexPager::DIR_ASCENDING;
  79
  80                 $this->requestedUser = '';
  81
  82                 if ( $un != '' ) {
  83                         $username = Title::makeTitleSafe( NS_USER, $un );
  84
  85                         if ( !is_null( $username ) ) {
  86                                 $this->requestedUser = $username->getText();
  87                         }
  88                 }
  89
  90                 parent::__construct();
  91         }
  92
  93         /**
  94          * @return string
  95          */
  96         function getIndexField() {
  97                 return $this->creationSort ? 'user_id' : 'user_name';
  98         }
  99
 100         /**
 101          * @return array
 102          */
 103         function getQueryInfo() {
 104                 $dbr = wfGetDB( DB_REPLICA );
 105                 $conds = [];
 106
 107                 // Don't show hidden names
 108                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
 109                         $conds[] = 'ipb_deleted IS NULL OR ipb_deleted = 0';
 110                 }
 111
 112                 $options = [];
 113
 114                 if ( $this->requestedGroup != '' || $this->temporaryGroupsOnly ) {
 115                         $conds[] = 'ug_expiry >= ' . $dbr->addQuotes( $dbr->timestamp() ) .
 116                         ( !$this->temporaryGroupsOnly ? ' OR ug_expiry IS NULL' : '' );
 117                 }
 118
 119                 if ( $this->requestedGroup != '' ) {
 120                         $conds['ug_group'] = $this->requestedGroup;
 121                 }
 122
 123                 if ( $this->requestedUser != '' ) {
 124                         # Sorted either by account creation or name
 125                         if ( $this->creationSort ) {
 126                                 $conds[] = 'user_id >= ' . intval( User::idFromName( $this->requestedUser ) );
 127                         } else {
 128                                 $conds[] = 'user_name >= ' . $dbr->addQuotes( $this->requestedUser );
 129                         }
 130                 }
 131
 132                 if ( $this->editsOnly ) {
 133                         $conds[] = 'user_editcount > 0';
 134                 }
 135
 136                 $options['GROUP BY'] = $this->creationSort ? 'user_id' : 'user_name';
 137
 138                 $query = [
 139                         'tables' => [ 'user', 'user_groups', 'ipblocks' ],
 140                         'fields' => [
 141                                 'user_name' => $this->creationSort ? 'MAX(user_name)' : 'user_name',
 142                                 'user_id' => $this->creationSort ? 'user_id' : 'MAX(user_id)',
 143                                 'edits' => 'MAX(user_editcount)',
 144                                 'creation' => 'MIN(user_registration)',
 145                                 'ipb_deleted' => 'MAX(ipb_deleted)' // block/hide status
 146                         ],
 147                         'options' => $options,
 148                         'join_conds' => [
 149                                 'user_groups' => [ 'LEFT JOIN', 'user_id=ug_user' ],
 150                                 'ipblocks' => [
 151                                         'LEFT JOIN', [
 152                                                 'user_id=ipb_user',
 153                                                 'ipb_auto' => 0
 154                                         ]
 155                                 ],
 156                         ],
 157                         'conds' => $conds
 158                 ];
 159
 160                 Hooks::run( 'SpecialListusersQueryInfo', [ $this, &$query ] );
 161
 162                 return $query;
 163         }
 164
 165         /**
 166          * @param stdClass $row
 167          * @return string
 168          */
 169         function formatRow( $row ) {
 170                 if ( $row->user_id == 0 ) { # T18487
 171                         return '';
 172                 }
 173
 174                 $userName = $row->user_name;
 175
 176                 $ulinks = Linker::userLink( $row->user_id, $userName );
 177                 $ulinks .= Linker::userToolLinksRedContribs(
 178                         $row->user_id,
 179                         $userName,
 180                         (int)$row->edits
 181                 );
 182
 183                 $lang = $this->getLanguage();
 184
 185                 $groups = '';
 186                 $ugms = self::getGroupMemberships( intval( $row->user_id ), $this->userGroupCache );
 187
 188                 if ( !$this->including && count( $ugms ) > 0 ) {
 189                         $list = [];
 190                         foreach ( $ugms as $ugm ) {
 191                                 $list[] = $this->buildGroupLink( $ugm, $userName );
 192                         }
 193                         $groups = $lang->commaList( $list );
 194                 }
 195
 196                 $item = $lang->specialList( $ulinks, $groups );
 197
 198                 if ( $row->ipb_deleted ) {
 199                         $item = "<span class=\"deleted\">$item</span>";
 200                 }
 201
 202                 $edits = '';
 203                 if ( !$this->including && $this->getConfig()->get( 'Edititis' ) ) {
 204                         $count = $this->msg( 'usereditcount' )->numParams( $row->edits )->escaped();
 205                         $edits = $this->msg( 'word-separator' )->escaped() . $this->msg( 'brackets', $count )->escaped();
 206                 }
 207
 208                 $created = '';
 209                 # Some rows may be null
 210                 if ( !$this->including && $row->creation ) {
 211                         $user = $this->getUser();
 212                         $d = $lang->userDate( $row->creation, $user );
 213                         $t = $lang->userTime( $row->creation, $user );
 214                         $created = $this->msg( 'usercreated', $d, $t, $row->user_name )->escaped();
 215                         $created = ' ' . $this->msg( 'parentheses' )->rawParams( $created )->escaped();
 216                 }
 217                 $blocked = !is_null( $row->ipb_deleted ) ?
 218                         ' ' . $this->msg( 'listusers-blocked', $userName )->escaped() :
 219                         '';
 220
 221                 Hooks::run( 'SpecialListusersFormatRow', [ &$item, $row ] );
 222
 223                 return Html::rawElement( 'li', [], "{$item}{$edits}{$created}{$blocked}" );
 224         }
 225
 226         function doBatchLookups() {
 227                 $batch = new LinkBatch();
 228                 $userIds = [];
 229                 # Give some pointers to make user links
 230                 foreach ( $this->mResult as $row ) {
 231                         $batch->add( NS_USER, $row->user_name );
 232                         $batch->add( NS_USER_TALK, $row->user_name );
 233                         $userIds[] = $row->user_id;
 234                 }
 235
 236                 // Lookup groups for all the users
 237                 $dbr = wfGetDB( DB_REPLICA );
 238                 $groupRes = $dbr->select(
 239                         'user_groups',
 240                         UserGroupMembership::selectFields(),
 241                         [ 'ug_user' => $userIds ],
 242                         __METHOD__
 243                 );
 244                 $cache = [];
 245                 $groups = [];
 246                 foreach ( $groupRes as $row ) {
 247                         $ugm = UserGroupMembership::newFromRow( $row );
 248                         if ( !$ugm->isExpired() ) {
 249                                 $cache[$row->ug_user][$row->ug_group] = $ugm;
 250                                 $groups[$row->ug_group] = true;
 251                         }
 252                 }
 253
 254                 // Give extensions a chance to add things like global user group data
 255                 // into the cache array to ensure proper output later on
 256                 Hooks::run( 'UsersPagerDoBatchLookups', [ $dbr, $userIds, &$cache, &$groups ] );
 257
 258                 $this->userGroupCache = $cache;
 259
 260                 // Add page of groups to link batch
 261                 foreach ( $groups as $group => $unused ) {
 262                         $groupPage = UserGroupMembership::getGroupPage( $group );
 263                         if ( $groupPage ) {
 264                                 $batch->addObj( $groupPage );
 265                         }
 266                 }
 267
 268                 $batch->execute();
 269                 $this->mResult->rewind();
 270         }
 271
 272         /**
 273          * @return string
 274          */
 275         function getPageHeader() {
 276                 list( $self ) = explode( '/', $this->getTitle()->getPrefixedDBkey() );
 277
 278                 $groupOptions = [ $this->msg( 'group-all' )->text() => '' ];
 279                 foreach ( $this->getAllGroups() as $group => $groupText ) {
 280                         $groupOptions[ $groupText ] = $group;
 281                 }
 282
 283                 $formDescriptor = [
 284                         'user' => [
 285                                 'class' => HTMLUserTextField::class,
 286                                 'label' => $this->msg( 'listusersfrom' )->text(),
 287                                 'name' => 'username',
 288                                 'default' => $this->requestedUser,
 289                         ],
 290                         'dropdown' => [
 291                                 'label' => $this->msg( 'group' )->text(),
 292                                 'name' => 'group',
 293                                 'default' => $this->requestedGroup,
 294                                 'class' => HTMLSelectField::class,
 295                                 'options' => $groupOptions,
 296                         ],
 297                         'editsOnly' => [
 298                                 'type' => 'check',
 299                                 'label' => $this->msg( 'listusers-editsonly' )->text(),
 300                                 'name' => 'editsOnly',
 301                                 'id' => 'editsOnly',
 302                                 'default' => $this->editsOnly
 303                         ],
 304                         'temporaryGroupsOnly' => [
 305                                 'type' => 'check',
 306                                 'label' => $this->msg( 'listusers-temporarygroupsonly' )->text(),
 307                                 'name' => 'temporaryGroupsOnly',
 308                                 'id' => 'temporaryGroupsOnly',
 309                                 'default' => $this->temporaryGroupsOnly
 310                         ],
 311                         'creationSort' => [
 312                                 'type' => 'check',
 313                                 'label' => $this->msg( 'listusers-creationsort' )->text(),
 314                                 'name' => 'creationSort',
 315                                 'id' => 'creationSort',
 316                                 'default' => $this->creationSort
 317                         ],
 318                         'desc' => [
 319                                 'type' => 'check',
 320                                 'label' => $this->msg( 'listusers-desc' )->text(),
 321                                 'name' => 'desc',
 322                                 'id' => 'desc',
 323                                 'default' => $this->mDefaultDirection
 324                         ],
 325                         'limithiddenfield' => [
 326                                 'class' => HTMLHiddenField::class,
 327                                 'name' => 'limit',
 328                                 'default' => $this->mLimit
 329                         ]
 330                 ];
 331
 332                 $beforeSubmitButtonHookOut = '';
 333                 Hooks::run( 'SpecialListusersHeaderForm', [ $this, &$beforeSubmitButtonHookOut ] );
 334
 335                 if ( $beforeSubmitButtonHookOut !== '' ) {
 336                         $formDescriptor[ 'beforeSubmitButtonHookOut' ] = [
 337                                 'class' => HTMLInfoField::class,
 338                                 'raw' => true,
 339                                 'default' => $beforeSubmitButtonHookOut
 340                         ];
 341                 }
 342
 343                 $formDescriptor[ 'submit' ] = [
 344                         'class' => HTMLSubmitField::class,
 345                         'buttonlabel-message' => 'listusers-submit',
 346                 ];
 347
 348                 $beforeClosingFieldsetHookOut = '';
 349                 Hooks::run( 'SpecialListusersHeader', [ $this, &$beforeClosingFieldsetHookOut ] );
 350
 351                 if ( $beforeClosingFieldsetHookOut !== '' ) {
 352                         $formDescriptor[ 'beforeClosingFieldsetHookOut' ] = [
 353                                 'class' => HTMLInfoField::class,
 354                                 'raw' => true,
 355                                 'default' => $beforeClosingFieldsetHookOut
 356                         ];
 357                 }
 358
 359                 $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() );
 360                 $htmlForm
 361                         ->setMethod( 'get' )
 362                         ->setAction( Title::newFromText( $self )->getLocalURL() )
 363                         ->setId( 'mw-listusers-form' )
 364                         ->setFormIdentifier( 'mw-listusers-form' )
 365                         ->suppressDefaultSubmit()
 366                         ->setWrapperLegendMsg( 'listusers' );
 367                 return $htmlForm->prepareForm()->getHTML( true );
 368         }
 369
 370         /**
 371          * Get a list of all explicit groups
 372          * @return array
 373          */
 374         function getAllGroups() {
 375                 $result = [];
 376                 foreach ( User::getAllGroups() as $group ) {
 377                         $result[$group] = UserGroupMembership::getGroupName( $group );
 378                 }
 379                 asort( $result );
 380
 381                 return $result;
 382         }
 383
 384         /**
 385          * Preserve group and username offset parameters when paging
 386          * @return array
 387          */
 388         function getDefaultQuery() {
 389                 $query = parent::getDefaultQuery();
 390                 if ( $this->requestedGroup != '' ) {
 391                         $query['group'] = $this->requestedGroup;
 392                 }
 393                 if ( $this->requestedUser != '' ) {
 394                         $query['username'] = $this->requestedUser;
 395                 }
 396                 Hooks::run( 'SpecialListusersDefaultQuery', [ $this, &$query ] );
 397
 398                 return $query;
 399         }
 400
 401         /**
 402          * Get an associative array containing groups the specified user belongs to,
 403          * and the relevant UserGroupMembership objects
 404          *
 405          * @param int $uid User id
 406          * @param array[]|null $cache
 407          * @return UserGroupMembership[] (group name => UserGroupMembership object)
 408          */
 409         protected static function getGroupMemberships( $uid, $cache = null ) {
 410                 if ( $cache === null ) {
 411                         $user = User::newFromId( $uid );
 412                         return $user->getGroupMemberships();
 413                 } else {
 414                         return $cache[$uid] ?? [];
 415                 }
 416         }
 417
 418         /**
 419          * Format a link to a group description page
 420          *
 421          * @param string|UserGroupMembership $group Group name or UserGroupMembership object
 422          * @param string $username
 423          * @return string
 424          */
 425         protected function buildGroupLink( $group, $username ) {
 426                 return UserGroupMembership::getLink( $group, $this->getContext(), 'html', $username );
 427         }
 428 }