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  * @ingroup 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                         $msg = wfMsgForContent( 'grouppage-' . $groupname );
  52                         if ( wfEmptyMsg( 'grouppage-' . $groupname, $msg ) || $msg == '' ) {
  53                                 $grouppageLocalized = MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
  54                         } else {
  55                                 $grouppageLocalized = $msg;
  56                         }
  57
  58                         if( $group == '*' ) {
  59                                 // Do not make a link for the generic * group
  60                                 $grouppage = $groupnameLocalized;
  61                         } else {
  62                                 $grouppage = $this->skin->makeLink( $grouppageLocalized, $groupnameLocalized );
  63                         }
  64
  65                         if ( !in_array( $group, $wgImplicitGroups ) ) {
  66                                 $grouplink = '<br />' . $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), wfMsgHtml( 'listgrouprights-members' ), 'group=' . $group );
  67                         } else {
  68                                 // No link to Special:listusers for implicit groups as they are unlistable
  69                                 $grouplink = '';
  70                         }
  71
  72                         $wgOut->addHTML(
  73                                 '<tr>
  74                                         <td>' .
  75                                                 $grouppage . $grouplink .
  76                                         '</td>
  77                                         <td>' .
  78                                                 self::formatPermissions( $permissions ) .
  79                                         '</td>
  80                                 </tr>'
  81                         );
  82                 }
  83                 $wgOut->addHTML(
  84                         Xml::closeElement( 'table' ) . "\n"
  85                 );
  86         }
  87
  88         /**
  89          * Create a user-readable list of permissions from the given array.
  90          *
  91          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
  92          * @return string List of all granted permissions, separated by comma separator
  93          */
  94          private static function formatPermissions( $permissions ) {
  95                 $r = array();
  96                 foreach( $permissions as $permission => $granted ) {
  97                         if ( $granted ) {
  98                                 $description = wfMsgHTML( 'listgrouprights-right-display',
  99                                         User::getRightDescription($permission),
 100                                         $permission
 101                                 );
 102                                 $r[] = $description;
 103                         }
 104                 }
 105                 sort( $r );
 106                 if( empty( $r ) ) {
 107                         return '';
 108                 } else {
 109                         return '<ul><li>' . implode( "</li>\n<li>", $r ) . '</li></ul>';
 110                 }
 111         }
 112 }