includes/SpecialListgrouprights.php

   1 <?php
   2
   3 /**
   4  * This special page lists all defined user groups and the associated rights.
   5  * See also @ref $wgGroupPermissions.
   6  *
   7  * @addtogroup SpecialPage
   8  * @author Petr Kadlec <mormegil@centrum.cz>
   9  */
  10 class SpecialListGroupRights extends SpecialPage {
  11
  12         var $skin;
  13
  14         /**
  15          * Constructor
  16          */
  17         function __construct() {
  18                 global $wgUser;
  19                 parent::__construct( 'Listgrouprights' );
  20                 $this->skin = $wgUser->getSkin();
  21         }
  22
  23         /**
  24          * Show the special page
  25          */
  26         public function execute( $par ) {
  27                 global $wgOut, $wgGroupPermissions, $wgImplicitGroups;
  28
  29                 $this->setHeaders();
  30                 $this->outputHeader();
  31
  32                 $wgOut->addHTML(
  33                         Xml::openElement( 'table', array( 'class' => 'mw-listgrouprights-table' ) ) .
  34                                 '<tr>' .
  35                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-group' ) ) .
  36                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-rights' ) ) .
  37                                 '</tr>'
  38                 );
  39
  40                 foreach( $wgGroupPermissions as $group => $permissions ) {
  41                         $groupname = htmlspecialchars( $group );
  42                         if ( in_array( $group, $wgImplicitGroups ) )
  43                                 $grouplink = $groupname;
  44                         else
  45                                 $grouplink = $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), $groupname, 'group=' . $group );
  46
  47                         $wgOut->addHTML(
  48                                 '<tr>
  49                                         <td>' .
  50                                                 $grouplink .
  51                                         '</td>
  52                                         <td>' .
  53                                                 self::formatPermissions( $permissions ) .
  54                                         '</td>
  55                                 </tr>'
  56                         );
  57                 }
  58                 $wgOut->addHTML(
  59                         Xml::closeElement( 'table' ) . "\n"
  60                 );
  61         }
  62
  63         /**
  64          * Create a user-readable list of permissions from the given array.
  65          *
  66          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
  67          * @return string List of all granted permissions, separated by comma separator
  68          */
  69          private static function formatPermissions( $permissions ) {
  70                 $r = array();
  71                 foreach( $permissions as $permission => $granted ) {
  72                         if ( $granted ) {
  73                                 $permission = htmlspecialchars( $permission );
  74                                 $r[] = wfMsgExt( 'listgrouprights-link', array( 'parseinline', 'content' ), $permission );
  75                         }
  76                 }
  77                 sort( $r );
  78                 $r = implode( wfMsg( 'comma-separator' ), $r );
  79
  80                 return $r;
  81         }
  82 }