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, $wgMessageCache;
  28                 $wgMessageCache->loadAllMessages();
  29
  30                 $this->setHeaders();
  31                 $this->outputHeader();
  32
  33                 $wgOut->addHTML(
  34                         Xml::openElement( 'table', array( 'class' => 'mw-listgrouprights-table' ) ) .
  35                                 '<tr>' .
  36                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-group' ) ) .
  37                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-rights' ) ) .
  38                                 '</tr>'
  39                 );
  40
  41                 foreach( $wgGroupPermissions as $group => $permissions ) {
  42                         $groupname = ( $group == '*' ) ? 'all' : htmlspecialchars( $group ); // Replace * with a more descriptive groupname
  43
  44                         $msg = wfMsg( 'group-' . $groupname );
  45                         if ( wfEmptyMsg( 'group-' . $groupname, $msg ) || $msg == '' ) {
  46                                 $groupnameLocalized = $groupname;
  47                         } else {
  48                                 $groupnameLocalized = $msg;
  49                         }
  50
  51                         if ( in_array( $group, $wgImplicitGroups ) )
  52                                 $grouplink = $groupnameLocalized;
  53                         else
  54                                 $grouplink = $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), $groupnameLocalized, 'group=' . $group );
  55
  56                         $wgOut->addHTML(
  57                                 '<tr>
  58                                         <td>' .
  59                                                 $grouplink .
  60                                         '</td>
  61                                         <td>' .
  62                                                 self::formatPermissions( $permissions ) .
  63                                         '</td>
  64                                 </tr>'
  65                         );
  66                 }
  67                 $wgOut->addHTML(
  68                         Xml::closeElement( 'table' ) . "\n"
  69                 );
  70         }
  71
  72         /**
  73          * Create a user-readable list of permissions from the given array.
  74          *
  75          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
  76          * @return string List of all granted permissions, separated by comma separator
  77          */
  78          private static function formatPermissions( $permissions ) {
  79                 $r = array();
  80                 foreach( $permissions as $permission => $granted ) {
  81                         if ( $granted ) {
  82                                 $permission = htmlspecialchars( $permission );
  83                                 $r[] = wfMsgExt( 'listgrouprights-link', array( 'parseinline', 'content' ), $permission );
  84                         }
  85                 }
  86                 sort( $r );
  87                 $r = implode( wfMsg( 'comma-separator' ), $r );
  88
  89                 return $r;
  90         }
  91 }