includes/specials/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, $wgImplicitGroups, $wgMessageCache;
  28                 global $wgGroupPermissions, $wgAddGroups, $wgRemoveGroups;
  29                 $wgMessageCache->loadAllMessages();
  30
  31                 $this->setHeaders();
  32                 $this->outputHeader();
  33
  34                 $wgOut->addHTML(
  35                         Xml::openElement( 'table', array( 'class' => 'mw-listgrouprights-table' ) ) .
  36                                 '<tr>' .
  37                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-group' ) ) .
  38                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-rights' ) ) .
  39                                 '</tr>'
  40                 );
  41
  42                 foreach( $wgGroupPermissions as $group => $permissions ) {
  43                         $groupname = ( $group == '*' ) ? 'all' : htmlspecialchars( $group ); // Replace * with a more descriptive groupname
  44
  45                         $msg = wfMsg( 'group-' . $groupname );
  46                         if ( wfEmptyMsg( 'group-' . $groupname, $msg ) || $msg == '' ) {
  47                                 $groupnameLocalized = $groupname;
  48                         } else {
  49                                 $groupnameLocalized = $msg;
  50                         }
  51
  52                         $msg = wfMsgForContent( 'grouppage-' . $groupname );
  53                         if ( wfEmptyMsg( 'grouppage-' . $groupname, $msg ) || $msg == '' ) {
  54                                 $grouppageLocalized = MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
  55                         } else {
  56                                 $grouppageLocalized = $msg;
  57                         }
  58
  59                         if( $group == '*' ) {
  60                                 // Do not make a link for the generic * group
  61                                 $grouppage = $groupnameLocalized;
  62                         } else {
  63                                 $grouppage = $this->skin->makeLink( $grouppageLocalized, $groupnameLocalized );
  64                         }
  65
  66                         if ( $group === 'user' ) {
  67                                 // Link to Special:listusers for implicit group 'user'
  68                                 $grouplink = '<br />' . $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), wfMsgHtml( 'listgrouprights-members' ), ''  );
  69                         } elseif ( !in_array( $group, $wgImplicitGroups ) ) {
  70                                 $grouplink = '<br />' . $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), wfMsgHtml( 'listgrouprights-members' ), 'group=' . $group );
  71                         } else {
  72                                 // No link to Special:listusers for other implicit groups as they are unlistable
  73                                 $grouplink = '';
  74                         }
  75
  76                         $addgroups = isset( $wgAddGroups[$group] ) ? $wgAddGroups[$group] : array();
  77                         $removegroups = isset( $wgRemoveGroups[$group] ) ? $wgRemoveGroups[$group] : array();
  78
  79                         $wgOut->addHTML(
  80                                 '<tr>
  81                                         <td>' .
  82                                                 $grouppage . $grouplink .
  83                                         '</td>
  84                                         <td>' .
  85                                                 self::formatPermissions( $permissions, $addgroups, $removegroups ) .
  86                                         '</td>
  87                                 </tr>'
  88                         );
  89                 }
  90                 $wgOut->addHTML(
  91                         Xml::closeElement( 'table' ) . "\n"
  92                 );
  93         }
  94
  95         /**
  96          * Create a user-readable list of permissions from the given array.
  97          *
  98          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
  99          * @return string List of all granted permissions, separated by comma separator
 100          */
 101          private static function formatPermissions( $permissions, $add, $remove ) {
 102                 global $wgLang;
 103                 $r = array();
 104                 foreach( $permissions as $permission => $granted ) {
 105                         if ( $granted ) {
 106                                 $description = wfMsgExt( 'listgrouprights-right-display', array( 'parseinline' ),
 107                                         User::getRightDescription( $permission ),
 108                                         $permission
 109                                 );
 110                                 $r[] = $description;
 111                         }
 112                 }
 113                 sort( $r );
 114                 if( $add === true ){
 115                         $r[] = wfMsgExt( 'listgrouprights-addgroup-all', array( 'escape' ) );
 116                 } else if( is_array( $add ) && count( $add ) ) {
 117                         $r[] = wfMsgExt( 'listgrouprights-addgroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $add ) ), count( $add ) );
 118                 }
 119                 if( $remove === true ){
 120                         $r[] = wfMsgExt( 'listgrouprights-removegroup-all', array( 'escape' ) );
 121                 } else if( is_array( $remove ) && count( $remove ) ) {
 122                         $r[] = wfMsgExt( 'listgrouprights-removegroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $remove ) ), count( $remove ) );
 123                 }
 124                 if( empty( $r ) ) {
 125                         return '';
 126                 } else {
 127                         return '<ul><li>' . implode( "</li>\n<li>", $r ) . '</li></ul>';
 128                 }
 129         }
 130 }