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                 global $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
  30                 $wgMessageCache->loadAllMessages();
  31
  32                 $this->setHeaders();
  33                 $this->outputHeader();
  34
  35                 $wgOut->addHTML(
  36                         Xml::openElement( 'table', array( 'class' => 'mw-listgrouprights-table' ) ) .
  37                                 '<tr>' .
  38                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-group' ) ) .
  39                                         Xml::element( 'th', null, wfMsg( 'listgrouprights-rights' ) ) .
  40                                 '</tr>'
  41                 );
  42
  43                 foreach( $wgGroupPermissions as $group => $permissions ) {
  44                         $groupname = ( $group == '*' ) ? 'all' : htmlspecialchars( $group ); // Replace * with a more descriptive groupname
  45
  46                         $msg = wfMsg( 'group-' . $groupname );
  47                         if ( wfEmptyMsg( 'group-' . $groupname, $msg ) || $msg == '' ) {
  48                                 $groupnameLocalized = $groupname;
  49                         } else {
  50                                 $groupnameLocalized = $msg;
  51                         }
  52
  53                         $msg = wfMsgForContent( 'grouppage-' . $groupname );
  54                         if ( wfEmptyMsg( 'grouppage-' . $groupname, $msg ) || $msg == '' ) {
  55                                 $grouppageLocalized = MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
  56                         } else {
  57                                 $grouppageLocalized = $msg;
  58                         }
  59
  60                         if( $group == '*' ) {
  61                                 // Do not make a link for the generic * group
  62                                 $grouppage = $groupnameLocalized;
  63                         } else {
  64                                 $grouppage = $this->skin->makeLink( $grouppageLocalized, $groupnameLocalized );
  65                         }
  66
  67                         if ( $group === 'user' ) {
  68                                 // Link to Special:listusers for implicit group 'user'
  69                                 $grouplink = '<br />' . $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), wfMsgHtml( 'listgrouprights-members' ), ''  );
  70                         } elseif ( !in_array( $group, $wgImplicitGroups ) ) {
  71                                 $grouplink = '<br />' . $this->skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Listusers' ), wfMsgHtml( 'listgrouprights-members' ), 'group=' . $group );
  72                         } else {
  73                                 // No link to Special:listusers for other implicit groups as they are unlistable
  74                                 $grouplink = '';
  75                         }
  76
  77                         $addgroups = isset( $wgAddGroups[$group] ) ? $wgAddGroups[$group] : array();
  78                         $removegroups = isset( $wgRemoveGroups[$group] ) ? $wgRemoveGroups[$group] : array();
  79
  80                         $addgroupsSelf = isset( $wgGroupsAddToSelf[$group] ) ? $wgGroupsAddToSelf[$group] : array();
  81                         $removegroupsSelf = isset( $wgGroupsRemoveFromSelf[$group] ) ? $wgGroupsRemoveFromSelf[$group] : array();
  82
  83                         $wgOut->addHTML(
  84                                 '<tr>
  85                                         <td>' .
  86                                                 $grouppage . $grouplink .
  87                                         '</td>
  88                                         <td>' .
  89                                                 self::formatPermissions( $permissions, $addgroups, $removegroups, $addgroupsSelf, $removegroupsSelf ) .
  90                                         '</td>
  91                                 </tr>'
  92                         );
  93                 }
  94                 $wgOut->addHTML(
  95                         Xml::closeElement( 'table' ) . "\n"
  96                 );
  97         }
  98
  99         /**
 100          * Create a user-readable list of permissions from the given array.
 101          *
 102          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
 103          * @return string List of all granted permissions, separated by comma separator
 104          */
 105          private static function formatPermissions( $permissions, $add, $remove, $addSelf, $removeSelf ) {
 106                 global $wgLang;
 107                 $r = array();
 108                 foreach( $permissions as $permission => $granted ) {
 109                         if ( $granted ) {
 110                                 $description = wfMsgExt( 'listgrouprights-right-display', array( 'parseinline' ),
 111                                         User::getRightDescription( $permission ),
 112                                         $permission
 113                                 );
 114                                 $r[] = $description;
 115                         }
 116                 }
 117                 sort( $r );
 118                 if( $add === true ){
 119                         $r[] = wfMsgExt( 'listgrouprights-addgroup-all', array( 'escape' ) );
 120                 } else if( is_array( $add ) && count( $add ) ) {
 121                         $r[] = wfMsgExt( 'listgrouprights-addgroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $add ) ), count( $add ) );
 122                 }
 123                 if( $remove === true ){
 124                         $r[] = wfMsgExt( 'listgrouprights-removegroup-all', array( 'escape' ) );
 125                 } else if( is_array( $remove ) && count( $remove ) ) {
 126                         $r[] = wfMsgExt( 'listgrouprights-removegroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $remove ) ), count( $remove ) );
 127                 }
 128                 if( $addSelf === true ){
 129                         $r[] = wfMsgExt( 'listgrouprights-addgroup-self-all', array( 'escape' ) );
 130                 } else if( is_array( $addSelf ) && count( $addSelf ) ) {
 131                         $r[] = wfMsgExt( 'listgrouprights-addgroup-self', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $addSelf ) ), count( $addSelf ) );
 132                 }
 133                 if( $removeSelf === true ){
 134                         $r[] = wfMsgExt( 'listgrouprights-removegroup-self-all', array( 'escape' ) );
 135                 } else if( is_array( $removeSelf ) && count( $removeSelf ) ) {
 136                         $r[] = wfMsgExt( 'listgrouprights-removegroup-self', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $removeSelf ) ), count( $removeSelf ) );
 137                 }
 138                 if( empty( $r ) ) {
 139                         return '';
 140                 } else {
 141                         return '<ul><li>' . implode( "</li>\n<li>", $r ) . '</li></ul>';
 142                 }
 143         }
 144 }