includes/specials/SpecialUserrights.php

   1 <?php
   2 /**
   3  * Special page to allow managing user group membership
   4  *
   5  * @file
   6  * @ingroup SpecialPage
   7  */
   8
   9 /**
  10  * A class to manage user levels rights.
  11  * @ingroup SpecialPage
  12  */
  13 class UserrightsPage extends SpecialPage {
  14         # The target of the local right-adjuster's interest.  Can be gotten from
  15         # either a GET parameter or a subpage-style parameter, so have a member
  16         # variable for it.
  17         protected $mTarget;
  18         protected $isself = false;
  19
  20         public function __construct() {
  21                 parent::__construct( 'Userrights' );
  22         }
  23
  24         public function isRestricted() {
  25                 return true;
  26         }
  27
  28         public function userCanExecute( $user ) {
  29                 return $this->userCanChangeRights( $user, false );
  30         }
  31
  32         public function userCanChangeRights( $user, $checkIfSelf = true ) {
  33                 $available = $this->changeableGroups();
  34                 return !empty( $available['add'] )
  35                         or !empty( $available['remove'] )
  36                         or ( ( $this->isself || !$checkIfSelf ) and
  37                                 (!empty( $available['add-self'] )
  38                                  or !empty( $available['remove-self'] )));
  39         }
  40
  41         /**
  42          * Manage forms to be shown according to posted data.
  43          * Depending on the submit button used, call a form or a save function.
  44          *
  45          * @param $par Mixed: string if any subpage provided, else null
  46          */
  47         function execute( $par ) {
  48                 // If the visitor doesn't have permissions to assign or remove
  49                 // any groups, it's a bit silly to give them the user search prompt.
  50                 global $wgUser, $wgRequest;
  51
  52                 if( $par ) {
  53                         $this->mTarget = $par;
  54                 } else {
  55                         $this->mTarget = $wgRequest->getVal( 'user' );
  56                 }
  57
  58                 if (!$this->mTarget) {
  59                         /*
  60                          * If the user specified no target, and they can only
  61                          * edit their own groups, automatically set them as the
  62                          * target.
  63                          */
  64                         $available = $this->changeableGroups();
  65                         if (empty($available['add']) && empty($available['remove']))
  66                                 $this->mTarget = $wgUser->getName();
  67                 }
  68
  69                 if ($this->mTarget == $wgUser->getName())
  70                         $this->isself = true;
  71
  72                 if( !$this->userCanChangeRights( $wgUser, true ) ) {
  73                         // fixme... there may be intermediate groups we can mention.
  74                         global $wgOut;
  75                         $wgOut->showPermissionsErrorPage( array(
  76                                 $wgUser->isAnon()
  77                                         ? 'userrights-nologin'
  78                                         : 'userrights-notallowed' ) );
  79                         return;
  80                 }
  81
  82                 if ( wfReadOnly() ) {
  83                         global $wgOut;
  84                         $wgOut->readOnlyPage();
  85                         return;
  86                 }
  87
  88                 $this->outputHeader();
  89
  90                 $this->setHeaders();
  91
  92                 // show the general form
  93                 $this->switchForm();
  94
  95                 if( $wgRequest->wasPosted() ) {
  96                         // save settings
  97                         if( $wgRequest->getCheck( 'saveusergroups' ) ) {
  98                                 $reason = $wgRequest->getVal( 'user-reason' );
  99                                 if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $this->mTarget ) ) {
 100                                         $this->saveUserGroups(
 101                                                 $this->mTarget,
 102                                                 $reason
 103                                         );
 104                                 }
 105                         }
 106                 }
 107
 108                 // show some more forms
 109                 if( $this->mTarget ) {
 110                         $this->editUserGroupsForm( $this->mTarget );
 111                 }
 112         }
 113
 114         /**
 115          * Save user groups changes in the database.
 116          * Data comes from the editUserGroupsForm() form function
 117          *
 118          * @param $username String: username to apply changes to.
 119          * @param $reason String: reason for group change
 120          * @return null
 121          */
 122         function saveUserGroups( $username, $reason = '') {
 123                 global $wgRequest, $wgUser, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
 124
 125                 $user = $this->fetchUser( $username );
 126                 if( !$user ) {
 127                         return;
 128                 }
 129
 130                 $allgroups = $this->getAllGroups();
 131                 $addgroup = array();
 132                 $removegroup = array();
 133
 134                 // This could possibly create a highly unlikely race condition if permissions are changed between
 135                 //  when the form is loaded and when the form is saved. Ignoring it for the moment.
 136                 foreach ($allgroups as $group) {
 137                         // We'll tell it to remove all unchecked groups, and add all checked groups.
 138                         // Later on, this gets filtered for what can actually be removed
 139                         if ($wgRequest->getCheck( "wpGroup-$group" )) {
 140                                 $addgroup[] = $group;
 141                         } else {
 142                                 $removegroup[] = $group;
 143                         }
 144                 }
 145
 146                 // Validate input set...
 147                 $changeable = $this->changeableGroups();
 148                 $addable = array_merge( $changeable['add'], $this->isself ? $changeable['add-self'] : array() );
 149                 $removable = array_merge( $changeable['remove'], $this->isself ? $changeable['remove-self'] : array() );
 150
 151                 $removegroup = array_unique(
 152                         array_intersect( (array)$removegroup, $removable ) );
 153                 $addgroup = array_unique(
 154                         array_intersect( (array)$addgroup, $addable ) );
 155
 156                 $oldGroups = $user->getGroups();
 157                 $newGroups = $oldGroups;
 158                 // remove then add groups
 159                 if( $removegroup ) {
 160                         $newGroups = array_diff($newGroups, $removegroup);
 161                         foreach( $removegroup as $group ) {
 162                                 $user->removeGroup( $group );
 163                         }
 164                 }
 165                 if( $addgroup ) {
 166                         $newGroups = array_merge($newGroups, $addgroup);
 167                         foreach( $addgroup as $group ) {
 168                                 $user->addGroup( $group );
 169                         }
 170                 }
 171                 $newGroups = array_unique( $newGroups );
 172
 173                 // Ensure that caches are cleared
 174                 $user->invalidateCache();
 175
 176                 wfDebug( 'oldGroups: ' . print_r( $oldGroups, true ) );
 177                 wfDebug( 'newGroups: ' . print_r( $newGroups, true ) );
 178                 if( $user instanceof User ) {
 179                         // hmmm
 180                         wfRunHooks( 'UserRights', array( &$user, $addgroup, $removegroup ) );
 181                 }
 182
 183                 if( $newGroups != $oldGroups ) {
 184                         $this->addLogEntry( $user, $oldGroups, $newGroups );
 185                 }
 186         }
 187
 188         /**
 189          * Add a rights log entry for an action.
 190          */
 191         function addLogEntry( $user, $oldGroups, $newGroups ) {
 192                 global $wgRequest;
 193                 $log = new LogPage( 'rights' );
 194
 195                 $log->addEntry( 'rights',
 196                         $user->getUserPage(),
 197                         $wgRequest->getText( 'user-reason' ),
 198                         array(
 199                                 $this->makeGroupNameListForLog( $oldGroups ),
 200                                 $this->makeGroupNameListForLog( $newGroups )
 201                         )
 202                 );
 203         }
 204
 205         /**
 206          * Edit user groups membership
 207          * @param $username String: name of the user.
 208          */
 209         function editUserGroupsForm( $username ) {
 210                 global $wgOut;
 211
 212                 $user = $this->fetchUser( $username );
 213                 if( !$user ) {
 214                         return;
 215                 }
 216
 217                 $groups = $user->getGroups();
 218
 219                 $this->showEditUserGroupsForm( $user, $groups );
 220
 221                 // This isn't really ideal logging behavior, but let's not hide the
 222                 // interwiki logs if we're using them as is.
 223                 $this->showLogFragment( $user, $wgOut );
 224         }
 225
 226         /**
 227          * Normalize the input username, which may be local or remote, and
 228          * return a user (or proxy) object for manipulating it.
 229          *
 230          * Side effects: error output for invalid access
 231          * @return mixed User, UserRightsProxy, or null
 232          */
 233         function fetchUser( $username ) {
 234                 global $wgOut, $wgUser;
 235
 236                 $parts = explode( '@', $username );
 237                 if( count( $parts ) < 2 ) {
 238                         $name = trim( $username );
 239                         $database = '';
 240                 } else {
 241                         list( $name, $database ) = array_map( 'trim', $parts );
 242
 243                         if( !$wgUser->isAllowed( 'userrights-interwiki' ) ) {
 244                                 $wgOut->addWikiMsg( 'userrights-no-interwiki' );
 245                                 return null;
 246                         }
 247                         if( !UserRightsProxy::validDatabase( $database ) ) {
 248                                 $wgOut->addWikiMsg( 'userrights-nodatabase', $database );
 249                                 return null;
 250                         }
 251                 }
 252
 253                 if( $name == '' ) {
 254                         $wgOut->addWikiMsg( 'nouserspecified' );
 255                         return false;
 256                 }
 257
 258                 if( $name{0} == '#' ) {
 259                         // Numeric ID can be specified...
 260                         // We'll do a lookup for the name internally.
 261                         $id = intval( substr( $name, 1 ) );
 262
 263                         if( $database == '' ) {
 264                                 $name = User::whoIs( $id );
 265                         } else {
 266                                 $name = UserRightsProxy::whoIs( $database, $id );
 267                         }
 268
 269                         if( !$name ) {
 270                                 $wgOut->addWikiMsg( 'noname' );
 271                                 return null;
 272                         }
 273                 }
 274
 275                 if( $database == '' ) {
 276                         $user = User::newFromName( $name );
 277                 } else {
 278                         $user = UserRightsProxy::newFromName( $database, $name );
 279                 }
 280
 281                 if( !$user || $user->isAnon() ) {
 282                         $wgOut->addWikiMsg( 'nosuchusershort', $username );
 283                         return null;
 284                 }
 285
 286                 return $user;
 287         }
 288
 289         function makeGroupNameList( $ids ) {
 290                 if( empty( $ids ) ) {
 291                         return wfMsgForContent( 'rightsnone' );
 292                 } else {
 293                         return implode( ', ', $ids );
 294                 }
 295         }
 296
 297         function makeGroupNameListForLog( $ids ) {
 298                 if( empty( $ids ) ) {
 299                         return '';
 300                 } else {
 301                         return $this->makeGroupNameList( $ids );
 302                 }
 303         }
 304
 305         /**
 306          * Output a form to allow searching for a user
 307          */
 308         function switchForm() {
 309                 global $wgOut, $wgScript;
 310                 $wgOut->addHTML(
 311                         Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'name' => 'uluser', 'id' => 'mw-userrights-form1' ) ) .
 312                         Xml::hidden( 'title',  $this->getTitle()->getPrefixedText() ) .
 313                         Xml::openElement( 'fieldset' ) .
 314                         Xml::element( 'legend', array(), wfMsg( 'userrights-lookup-user' ) ) .
 315                         Xml::inputLabel( wfMsg( 'userrights-user-editname' ), 'user', 'username', 30, $this->mTarget ) . ' ' .
 316                         Xml::submitButton( wfMsg( 'editusergroup' ) ) .
 317                         Xml::closeElement( 'fieldset' ) .
 318                         Xml::closeElement( 'form' ) . "\n"
 319                 );
 320         }
 321
 322         /**
 323          * Go through used and available groups and return the ones that this
 324          * form will be able to manipulate based on the current user's system
 325          * permissions.
 326          *
 327          * @param $groups Array: list of groups the given user is in
 328          * @return Array:  Tuple of addable, then removable groups
 329          */
 330         protected function splitGroups( $groups ) {
 331                 list($addable, $removable, $addself, $removeself) = array_values( $this->changeableGroups() );
 332
 333                 $removable = array_intersect(
 334                                 array_merge( $this->isself ? $removeself : array(), $removable ),
 335                                 $groups ); // Can't remove groups the user doesn't have
 336                 $addable   = array_diff(
 337                                 array_merge( $this->isself ? $addself : array(), $addable ),
 338                                 $groups ); // Can't add groups the user does have
 339
 340                 return array( $addable, $removable );
 341         }
 342
 343         /**
 344          * Show the form to edit group memberships.
 345          *
 346          * @param $user      User or UserRightsProxy you're editing
 347          * @param $groups    Array:  Array of groups the user is in
 348          */
 349         protected function showEditUserGroupsForm( $user, $groups ) {
 350                 global $wgOut, $wgUser, $wgLang;
 351
 352                 list( $addable, $removable ) = $this->splitGroups( $groups );
 353
 354                 wfRunHooks( 'UserRights::showEditUserGroupsForm', array( &$user, &$addable, &$removable ) );
 355
 356                 $list = array();
 357                 foreach( $user->getGroups() as $group )
 358                         $list[] = self::buildGroupLink( $group );
 359
 360                 $grouplist = '';
 361                 if( count( $list ) > 0 ) {
 362                         $grouplist = wfMsgHtml( 'userrights-groupsmember' );
 363                         $grouplist = '<p>' . $grouplist  . ' ' . $wgLang->listToText( $list ) . '</p>';
 364                 }
 365                 $wgOut->addHTML(
 366                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getTitle()->getLocalURL(), 'name' => 'editGroup', 'id' => 'mw-userrights-form2' ) ) .
 367                         Xml::hidden( 'user', $this->mTarget ) .
 368                         Xml::hidden( 'wpEditToken', $wgUser->editToken( $this->mTarget ) ) .
 369                         Xml::openElement( 'fieldset' ) .
 370                         Xml::element( 'legend', array(), wfMsg( 'userrights-editusergroup' ) ) .
 371                         wfMsgExt( 'editinguser', array( 'parse' ), wfEscapeWikiText( $user->getName() ) ) .
 372                         wfMsgExt( 'userrights-groups-help', array( 'parse' ) ) .
 373                         $grouplist .
 374                         Xml::tags( 'p', null, $this->groupCheckboxes( $groups ) ) .
 375                         Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-userrights-table-outer' ) ) .
 376                                 "<tr>
 377                                         <td class='mw-label'>" .
 378                                                 Xml::label( wfMsg( 'userrights-reason' ), 'wpReason' ) .
 379                                         "</td>
 380                                         <td class='mw-input'>" .
 381                                                 Xml::input( 'user-reason', 60, false, array( 'id' => 'wpReason', 'maxlength' => 255 ) ) .
 382                                         "</td>
 383                                 </tr>
 384                                 <tr>
 385                                         <td></td>
 386                                         <td class='mw-submit'>" .
 387                                                 Xml::submitButton( wfMsg( 'saveusergroups' ), array( 'name' => 'saveusergroups', 'accesskey' => 's' ) ) .
 388                                         "</td>
 389                                 </tr>" .
 390                         Xml::closeElement( 'table' ) . "\n" .
 391                         Xml::closeElement( 'fieldset' ) .
 392                         Xml::closeElement( 'form' ) . "\n"
 393                 );
 394         }
 395
 396         /**
 397          * Format a link to a group description page
 398          *
 399          * @param $group string
 400          * @return string
 401          */
 402         private static function buildGroupLink( $group ) {
 403                 static $cache = array();
 404                 if( !isset( $cache[$group] ) )
 405                         $cache[$group] = User::makeGroupLinkHtml( $group, User::getGroupName( $group ) );
 406                 return $cache[$group];
 407         }
 408
 409         /**
 410          * Returns an array of all groups that may be edited
 411          * @return array Array of groups that may be edited.
 412          */
 413          protected static function getAllGroups() {
 414                 return User::getAllGroups();
 415          }
 416
 417         /**
 418          * Adds a table with checkboxes where you can select what groups to add/remove
 419          *
 420          * @param $usergroups Array: groups the user belongs to
 421          * @return string XHTML table element with checkboxes
 422          */
 423         private function groupCheckboxes( $usergroups ) {
 424                 $allgroups = $this->getAllGroups();
 425                 $ret = '';
 426
 427                 $column = 1;
 428                 $settable_col = '';
 429                 $unsettable_col = '';
 430
 431                 foreach ($allgroups as $group) {
 432                         $set = in_array( $group, $usergroups );
 433                         # Should the checkbox be disabled?
 434                         $disabled = !(
 435                                 ( $set && $this->canRemove( $group ) ) ||
 436                                 ( !$set && $this->canAdd( $group ) ) );
 437                         # Do we need to point out that this action is irreversible?
 438                         $irreversible = !$disabled && (
 439                                 ($set && !$this->canAdd( $group )) ||
 440                                 (!$set && !$this->canRemove( $group ) ) );
 441
 442                         $attr = $disabled ? array( 'disabled' => 'disabled' ) : array();
 443                         $text = $irreversible
 444                                 ? wfMsgHtml( 'userrights-irreversible-marker', User::getGroupMember( $group ) )
 445                                 : User::getGroupMember( $group );
 446                         $checkbox = Xml::checkLabel( $text, "wpGroup-$group",
 447                                 "wpGroup-$group", $set, $attr );
 448                         $checkbox = $disabled ? Xml::tags( 'span', array( 'class' => 'mw-userrights-disabled' ), $checkbox ) : $checkbox;
 449
 450                         if ($disabled) {
 451                                 $unsettable_col .= "$checkbox<br />\n";
 452                         } else {
 453                                 $settable_col .= "$checkbox<br />\n";
 454                         }
 455                 }
 456
 457                 if ($column) {
 458                         $ret .= Xml::openElement( 'table', array( 'border' => '0', 'class' => 'mw-userrights-groups' ) ) .
 459                                 "<tr>
 460 ";
 461                         if( $settable_col !== '' ) {
 462                                 $ret .= xml::element( 'th', null, wfMsg( 'userrights-changeable-col' ) );
 463                         }
 464                         if( $unsettable_col !== '' ) {
 465                                 $ret .= xml::element( 'th', null, wfMsg( 'userrights-unchangeable-col' ) );
 466                         }
 467                         $ret.= "</tr>
 468                                 <tr>
 469 ";
 470                         if( $settable_col !== '' ) {
 471                                 $ret .=
 472 "                                       <td style='vertical-align:top;'>
 473                                                 $settable_col
 474                                         </td>
 475 ";
 476                         }
 477                         if( $unsettable_col !== '' ) {
 478                                 $ret .=
 479 "                                       <td style='vertical-align:top;'>
 480                                                 $unsettable_col
 481                                         </td>
 482 ";
 483                         }
 484                         $ret .= Xml::closeElement( 'tr' ) . Xml::closeElement( 'table' );
 485                 }
 486
 487                 return $ret;
 488         }
 489
 490         /**
 491          * @param  $group String: the name of the group to check
 492          * @return bool Can we remove the group?
 493          */
 494         private function canRemove( $group ) {
 495                 // $this->changeableGroups()['remove'] doesn't work, of course. Thanks,
 496                 // PHP.
 497                 $groups = $this->changeableGroups();
 498                 return in_array( $group, $groups['remove'] ) || ($this->isself && in_array( $group, $groups['remove-self'] ));
 499         }
 500
 501         /**
 502          * @param $group string: the name of the group to check
 503          * @return bool Can we add the group?
 504          */
 505         private function canAdd( $group ) {
 506                 $groups = $this->changeableGroups();
 507                 return in_array( $group, $groups['add'] ) || ($this->isself && in_array( $group, $groups['add-self'] ));
 508         }
 509
 510         /**
 511          * Returns an array of the groups that the user can add/remove.
 512          *
 513          * @return Array array( 'add' => array( addablegroups ), 'remove' => array( removablegroups ) , 'add-self' => array( addablegroups to self), 'remove-self' => array( removable groups from self) )
 514          */
 515         function changeableGroups() {
 516                 global $wgUser;
 517
 518                 if( $wgUser->isAllowed( 'userrights' ) ) {
 519                         // This group gives the right to modify everything (reverse-
 520                         // compatibility with old "userrights lets you change
 521                         // everything")
 522                         // Using array_merge to make the groups reindexed
 523                         $all = array_merge( User::getAllGroups() );
 524                         return array(
 525                                 'add' => $all,
 526                                 'remove' => $all,
 527                                 'add-self' => array(),
 528                                 'remove-self' => array()
 529                         );
 530                 }
 531
 532                 // Okay, it's not so simple, we will have to go through the arrays
 533                 $groups = array(
 534                                 'add' => array(),
 535                                 'remove' => array(),
 536                                 'add-self' => array(),
 537                                 'remove-self' => array() );
 538                 $addergroups = $wgUser->getEffectiveGroups();
 539
 540                 foreach ($addergroups as $addergroup) {
 541                         $groups = array_merge_recursive(
 542                                 $groups, $this->changeableByGroup($addergroup)
 543                         );
 544                         $groups['add']    = array_unique( $groups['add'] );
 545                         $groups['remove'] = array_unique( $groups['remove'] );
 546                         $groups['add-self'] = array_unique( $groups['add-self'] );
 547                         $groups['remove-self'] = array_unique( $groups['remove-self'] );
 548                 }
 549
 550                 // Run a hook because we can
 551                 wfRunHooks( 'UserrightsChangeableGroups', array( $this, $wgUser, $addergroups, &$groups ) );
 552
 553                 return $groups;
 554         }
 555
 556         /**
 557          * Returns an array of the groups that a particular group can add/remove.
 558          *
 559          * @param $group String: the group to check for whether it can add/remove
 560          * @return Array array( 'add' => array( addablegroups ), 'remove' => array( removablegroups ) , 'add-self' => array( addablegroups to self), 'remove-self' => array( removable groups from self) )
 561          */
 562         private function changeableByGroup( $group ) {
 563                 global $wgAddGroups, $wgRemoveGroups, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
 564
 565                 $groups = array( 'add' => array(), 'remove' => array(), 'add-self' => array(), 'remove-self' => array() );
 566                 if( empty($wgAddGroups[$group]) ) {
 567                         // Don't add anything to $groups
 568                 } elseif( $wgAddGroups[$group] === true ) {
 569                         // You get everything
 570                         $groups['add'] = User::getAllGroups();
 571                 } elseif( is_array($wgAddGroups[$group]) ) {
 572                         $groups['add'] = $wgAddGroups[$group];
 573                 }
 574
 575                 // Same thing for remove
 576                 if( empty($wgRemoveGroups[$group]) ) {
 577                 } elseif($wgRemoveGroups[$group] === true ) {
 578                         $groups['remove'] = User::getAllGroups();
 579                 } elseif( is_array($wgRemoveGroups[$group]) ) {
 580                         $groups['remove'] = $wgRemoveGroups[$group];
 581                 }
 582
 583                 // Re-map numeric keys of AddToSelf/RemoveFromSelf to the 'user' key for backwards compatibility
 584                 if( empty($wgGroupsAddToSelf['user']) || $wgGroupsAddToSelf['user'] !== true ) {
 585                         foreach($wgGroupsAddToSelf as $key => $value) {
 586                                 if( is_int($key) ) {
 587                                         $wgGroupsAddToSelf['user'][] = $value;
 588                                 }
 589                         }
 590                 }
 591
 592                 if( empty($wgGroupsRemoveFromSelf['user']) || $wgGroupsRemoveFromSelf['user'] !== true ) {
 593                         foreach($wgGroupsRemoveFromSelf as $key => $value) {
 594                                 if( is_int($key) ) {
 595                                         $wgGroupsRemoveFromSelf['user'][] = $value;
 596                                 }
 597                         }
 598                 }
 599
 600                 // Now figure out what groups the user can add to him/herself
 601                 if( empty($wgGroupsAddToSelf[$group]) ) {
 602                 } elseif( $wgGroupsAddToSelf[$group] === true ) {
 603                         // No idea WHY this would be used, but it's there
 604                         $groups['add-self'] = User::getAllGroups();
 605                 } elseif( is_array($wgGroupsAddToSelf[$group]) ) {
 606                         $groups['add-self'] = $wgGroupsAddToSelf[$group];
 607                 }
 608
 609                 if( empty($wgGroupsRemoveFromSelf[$group]) ) {
 610                 } elseif( $wgGroupsRemoveFromSelf[$group] === true ) {
 611                         $groups['remove-self'] = User::getAllGroups();
 612                 } elseif( is_array($wgGroupsRemoveFromSelf[$group]) ) {
 613                         $groups['remove-self'] = $wgGroupsRemoveFromSelf[$group];
 614                 }
 615
 616                 return $groups;
 617         }
 618
 619         /**
 620          * Show a rights log fragment for the specified user
 621          *
 622          * @param $user User to show log for
 623          * @param $output OutputPage to use
 624          */
 625         protected function showLogFragment( $user, $output ) {
 626                 $output->addHtml( Xml::element( 'h2', null, LogPage::logName( 'rights' ) . "\n" ) );
 627                 LogEventsList::showLogExtract( $output, 'rights', $user->getUserPage()->getPrefixedText() );
 628         }
 629 }