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, $wgRevokePermissions, $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' => 'wikitable 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' : $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                                 $grouppage = htmlspecialchars($groupnameLocalized);
  63                         } else {
  64                                 $grouppage = $this->skin->link(
  65                                         Title::newFromText( $grouppageLocalized ),
  66                                         htmlspecialchars($groupnameLocalized)
  67                                 );
  68                         }
  69
  70                         if ( $group === 'user' ) {
  71                                 // Link to Special:listusers for implicit group 'user'
  72                                 $grouplink = '<br />' . $this->skin->link(
  73                                         SpecialPage::getTitleFor( 'Listusers' ),
  74                                         wfMsgHtml( 'listgrouprights-members' ),
  75                                         array(),
  76                                         array(),
  77                                         array( 'known', 'noclasses' )
  78                                 );
  79                         } elseif ( !in_array( $group, $wgImplicitGroups ) ) {
  80                                 $grouplink = '<br />' . $this->skin->link(
  81                                         SpecialPage::getTitleFor( 'Listusers' ),
  82                                         wfMsgHtml( 'listgrouprights-members' ),
  83                                         array(),
  84                                         array( 'group' => $group ),
  85                                         array( 'known', 'noclasses' )
  86                                 );
  87                         } else {
  88                                 // No link to Special:listusers for other implicit groups as they are unlistable
  89                                 $grouplink = '';
  90                         }
  91
  92                         $revoke = isset( $wgRevokePermissions[$group] ) ? $wgRevokePermissions[$group] : array();
  93                         $addgroups = isset( $wgAddGroups[$group] ) ? $wgAddGroups[$group] : array();
  94                         $removegroups = isset( $wgRemoveGroups[$group] ) ? $wgRemoveGroups[$group] : array();
  95                         $addgroupsSelf = isset( $wgGroupsAddToSelf[$group] ) ? $wgGroupsAddToSelf[$group] : array();
  96                         $removegroupsSelf = isset( $wgGroupsRemoveFromSelf[$group] ) ? $wgGroupsRemoveFromSelf[$group] : array();
  97
  98                         $wgOut->addHTML(
  99                                 '<tr>
 100                                         <td>' .
 101                                                 $grouppage . $grouplink .
 102                                         '</td>
 103                                         <td>' .
 104                                                 self::formatPermissions( $permissions, $revoke, $addgroups, $removegroups, $addgroupsSelf, $removegroupsSelf ) .
 105                                         '</td>
 106                                 </tr>'
 107                         );
 108                 }
 109                 $wgOut->addHTML(
 110                         Xml::closeElement( 'table' ) . "\n<br /><hr />\n"
 111                 );
 112                 $wgOut->addWikiMsg( 'listgrouprights-key' );
 113         }
 114
 115         /**
 116          * Create a user-readable list of permissions from the given array.
 117          *
 118          * @param $permissions Array of permission => bool (from $wgGroupPermissions items)
 119          * @param $revoke Array of permission => bool (from $wgRevokePermissions items)
 120          * @param $add Array of groups this group is allowed to add or true
 121          * @param $remove Array of groups this group is allowed to remove or true
 122          * @param $addSelf Array of groups this group is allowed to add to self or true
 123          * @param $removeSelf Array of group this group is allowed to remove from self or true
 124          * @return string List of all granted permissions, separated by comma separator
 125          */
 126          private static function formatPermissions( $permissions, $revoke, $add, $remove, $addSelf, $removeSelf ) {
 127                 global $wgLang;
 128                 $r = array();
 129                 foreach( $permissions as $permission => $granted ) {
 130                         //show as granted only if it isn't revoked to prevent duplicate display of permissions
 131                         if( $granted && ( !isset( $revoke[$permission] ) || !$revoke[$permission] ) ) {
 132                                 $description = wfMsgExt( 'listgrouprights-right-display', array( 'parseinline' ),
 133                                         User::getRightDescription( $permission ),
 134                                         $permission
 135                                 );
 136                                 $r[] = $description;
 137                         }
 138                 }
 139                 foreach( $revoke as $permission => $revoked ) {
 140                         if( $revoked ) {
 141                                 $description = wfMsgExt( 'listgrouprights-right-revoked', array( 'parseinline' ),
 142                                         User::getRightDescription( $permission ),
 143                                         $permission
 144                                 );
 145                                 $r[] = $description;
 146                         }
 147                 }
 148                 sort( $r );
 149                 if( $add === true ){
 150                         $r[] = wfMsgExt( 'listgrouprights-addgroup-all', array( 'escape' ) );
 151                 } else if( is_array( $add ) && count( $add ) ) {
 152                         $r[] = wfMsgExt( 'listgrouprights-addgroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $add ) ), count( $add ) );
 153                 }
 154                 if( $remove === true ){
 155                         $r[] = wfMsgExt( 'listgrouprights-removegroup-all', array( 'escape' ) );
 156                 } else if( is_array( $remove ) && count( $remove ) ) {
 157                         $r[] = wfMsgExt( 'listgrouprights-removegroup', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $remove ) ), count( $remove ) );
 158                 }
 159                 if( $addSelf === true ){
 160                         $r[] = wfMsgExt( 'listgrouprights-addgroup-self-all', array( 'escape' ) );
 161                 } else if( is_array( $addSelf ) && count( $addSelf ) ) {
 162                         $r[] = wfMsgExt( 'listgrouprights-addgroup-self', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $addSelf ) ), count( $addSelf ) );
 163                 }
 164                 if( $removeSelf === true ){
 165                         $r[] = wfMsgExt( 'listgrouprights-removegroup-self-all', array( 'escape' ) );
 166                 } else if( is_array( $removeSelf ) && count( $removeSelf ) ) {
 167                         $r[] = wfMsgExt( 'listgrouprights-removegroup-self', array( 'parseinline' ), $wgLang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $removeSelf ) ), count( $removeSelf ) );
 168                 }
 169                 if( empty( $r ) ) {
 170                         return '';
 171                 } else {
 172                         return '<ul><li>' . implode( "</li>\n<li>", $r ) . '</li></ul>';
 173                 }
 174         }
 175 }