includes/specials/SpecialListgrouprights.php

   1 <?php
   2 /**
   3  * Implements Special:Listgrouprights
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * This special page lists all defined user groups and the associated rights.
  26  * See also @ref $wgGroupPermissions.
  27  *
  28  * @ingroup SpecialPage
  29  * @author Petr Kadlec <mormegil@centrum.cz>
  30  */
  31 class SpecialListGroupRights extends SpecialPage {
  32         function __construct() {
  33                 parent::__construct( 'Listgrouprights' );
  34         }
  35
  36         /**
  37          * Show the special page
  38          */
  39         public function execute( $par ) {
  40                 global $wgImplicitGroups;
  41                 global $wgGroupPermissions, $wgRevokePermissions, $wgAddGroups, $wgRemoveGroups;
  42                 global $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
  43
  44                 $this->setHeaders();
  45                 $this->outputHeader();
  46
  47                 $out = $this->getOutput();
  48                 $out->addModuleStyles( 'mediawiki.special' );
  49
  50                 $out->wrapWikiMsg( "<div class=\"mw-listgrouprights-key\">\n$1\n</div>", 'listgrouprights-key' );
  51
  52                 $out->addHTML(
  53                         Xml::openElement( 'table', array( 'class' => 'wikitable mw-listgrouprights-table' ) ) .
  54                                 '<tr>' .
  55                                 Xml::element( 'th', null, $this->msg( 'listgrouprights-group' )->text() ) .
  56                                 Xml::element( 'th', null, $this->msg( 'listgrouprights-rights' )->text() ) .
  57                                 '</tr>'
  58                 );
  59
  60                 $allGroups = array_unique( array_merge(
  61                         array_keys( $wgGroupPermissions ),
  62                         array_keys( $wgRevokePermissions ),
  63                         array_keys( $wgAddGroups ),
  64                         array_keys( $wgRemoveGroups ),
  65                         array_keys( $wgGroupsAddToSelf ),
  66                         array_keys( $wgGroupsRemoveFromSelf )
  67                 ) );
  68                 asort( $allGroups );
  69
  70                 foreach ( $allGroups as $group ) {
  71                         $permissions = isset( $wgGroupPermissions[$group] )
  72                                 ? $wgGroupPermissions[$group]
  73                                 : array();
  74                         $groupname = ( $group == '*' ) // Replace * with a more descriptive groupname
  75                                 ? 'all'
  76                                 : $group;
  77
  78                         $msg = $this->msg( 'group-' . $groupname );
  79                         $groupnameLocalized = !$msg->isBlank() ? $msg->text() : $groupname;
  80
  81                         $msg = $this->msg( 'grouppage-' . $groupname )->inContentLanguage();
  82                         $grouppageLocalized = !$msg->isBlank() ?
  83                                 $msg->text() :
  84                                 MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
  85
  86                         if ( $group == '*' ) {
  87                                 // Do not make a link for the generic * group
  88                                 $grouppage = htmlspecialchars( $groupnameLocalized );
  89                         } else {
  90                                 $grouppage = Linker::link(
  91                                         Title::newFromText( $grouppageLocalized ),
  92                                         htmlspecialchars( $groupnameLocalized )
  93                                 );
  94                         }
  95
  96                         if ( $group === 'user' ) {
  97                                 // Link to Special:listusers for implicit group 'user'
  98                                 $grouplink = '<br />' . Linker::linkKnown(
  99                                         SpecialPage::getTitleFor( 'Listusers' ),
 100                                         $this->msg( 'listgrouprights-members' )->escaped()
 101                                 );
 102                         } elseif ( !in_array( $group, $wgImplicitGroups ) ) {
 103                                 $grouplink = '<br />' . Linker::linkKnown(
 104                                         SpecialPage::getTitleFor( 'Listusers' ),
 105                                         $this->msg( 'listgrouprights-members' )->escaped(),
 106                                         array(),
 107                                         array( 'group' => $group )
 108                                 );
 109                         } else {
 110                                 // No link to Special:listusers for other implicit groups as they are unlistable
 111                                 $grouplink = '';
 112                         }
 113
 114                         $revoke = isset( $wgRevokePermissions[$group] ) ? $wgRevokePermissions[$group] : array();
 115                         $addgroups = isset( $wgAddGroups[$group] ) ? $wgAddGroups[$group] : array();
 116                         $removegroups = isset( $wgRemoveGroups[$group] ) ? $wgRemoveGroups[$group] : array();
 117                         $addgroupsSelf = isset( $wgGroupsAddToSelf[$group] ) ? $wgGroupsAddToSelf[$group] : array();
 118                         $removegroupsSelf = isset( $wgGroupsRemoveFromSelf[$group] )
 119                                 ? $wgGroupsRemoveFromSelf[$group]
 120                                 : array();
 121
 122                         $id = $group == '*' ? false : Sanitizer::escapeId( $group );
 123                         $out->addHTML( Html::rawElement( 'tr', array( 'id' => $id ), "
 124                                 <td>$grouppage$grouplink</td>
 125                                         <td>" .
 126                                         $this->formatPermissions( $permissions, $revoke, $addgroups, $removegroups,
 127                                                 $addgroupsSelf, $removegroupsSelf ) .
 128                                         '</td>
 129                                 '
 130                         ) );
 131                 }
 132                 $out->addHTML( Xml::closeElement( 'table' ) );
 133                 $this->outputNamespaceProtectionInfo();
 134         }
 135
 136         private function outputNamespaceProtectionInfo() {
 137                 global $wgNamespaceProtection, $wgParser, $wgContLang;
 138                 $out = $this->getOutput();
 139
 140                 if ( count( $wgNamespaceProtection ) == 0 ) {
 141                         return;
 142                 }
 143
 144                 $header = $this->msg( 'listgrouprights-namespaceprotection-header' )->parse();
 145                 $out->addHTML(
 146                         Html::rawElement( 'h2', array(), Html::element( 'span', array(
 147                                 'class' => 'mw-headline',
 148                                 'id' => $wgParser->guessSectionNameFromWikiText( $header )
 149                         ), $header ) ) .
 150                         Xml::openElement( 'table', array( 'class' => 'wikitable' ) ) .
 151                         Html::element(
 152                                 'th',
 153                                 array(),
 154                                 $this->msg( 'listgrouprights-namespaceprotection-namespace' )->text()
 155                         ) .
 156                         Html::element(
 157                                 'th',
 158                                 array(),
 159                                 $this->msg( 'listgrouprights-namespaceprotection-restrictedto' )->text()
 160                         )
 161                 );
 162
 163                 ksort( $wgNamespaceProtection );
 164                 foreach ( $wgNamespaceProtection as $namespace => $rights ) {
 165                         if ( !in_array( $namespace, MWNamespace::getValidNamespaces() ) ) {
 166                                 continue;
 167                         }
 168
 169                         if ( $namespace == NS_MAIN ) {
 170                                 $namespaceText = $this->msg( 'blanknamespace' )->text();
 171                         } else {
 172                                 $namespaceText = $wgContLang->convertNamespace( $namespace );
 173                         }
 174
 175                         $out->addHTML(
 176                                 Xml::openElement( 'tr' ) .
 177                                 Html::rawElement(
 178                                         'td',
 179                                         array(),
 180                                         Linker::link(
 181                                                 SpecialPage::getTitleFor( 'Allpages' ),
 182                                                 $namespaceText,
 183                                                 array(),
 184                                                 array( 'namespace' => $namespace )
 185                                         )
 186                                 ) .
 187                                 Xml::openElement( 'td' ) . Xml::openElement( 'ul' )
 188                         );
 189
 190                         if ( !is_array( $rights ) ) {
 191                                 $rights = array( $rights );
 192                         }
 193
 194                         foreach ( $rights as $right ) {
 195                                 $out->addHTML(
 196                                         Html::rawElement( 'li', array(), $this->msg(
 197                                                 'listgrouprights-right-display',
 198                                                 User::getRightDescription( $right ),
 199                                                 Html::element(
 200                                                         'span',
 201                                                         array( 'class' => 'mw-listgrouprights-right-name' ),
 202                                                         $right
 203                                                 )
 204                                         )->parse() )
 205                                 );
 206                         }
 207
 208                         $out->addHTML(
 209                                 Xml::closeElement( 'ul' ) .
 210                                 Xml::closeElement( 'td' ) .
 211                                 Xml::closeElement( 'tr' )
 212                         );
 213                 }
 214                 $out->addHTML( Xml::closeElement( 'table' ) );
 215         }
 216
 217         /**
 218          * Create a user-readable list of permissions from the given array.
 219          *
 220          * @param array $permissions Array of permission => bool (from $wgGroupPermissions items)
 221          * @param array $revoke Array of permission => bool (from $wgRevokePermissions items)
 222          * @param array $add Array of groups this group is allowed to add or true
 223          * @param array $remove Array of groups this group is allowed to remove or true
 224          * @param array $addSelf Array of groups this group is allowed to add to self or true
 225          * @param array $removeSelf Array of group this group is allowed to remove from self or true
 226          * @return string List of all granted permissions, separated by comma separator
 227          */
 228         private function formatPermissions( $permissions, $revoke, $add, $remove, $addSelf, $removeSelf ) {
 229                 $r = array();
 230                 foreach ( $permissions as $permission => $granted ) {
 231                         //show as granted only if it isn't revoked to prevent duplicate display of permissions
 232                         if ( $granted && ( !isset( $revoke[$permission] ) || !$revoke[$permission] ) ) {
 233                                 $description = $this->msg( 'listgrouprights-right-display',
 234                                         User::getRightDescription( $permission ),
 235                                         '<span class="mw-listgrouprights-right-name">' . $permission . '</span>'
 236                                 )->parse();
 237                                 $r[] = $description;
 238                         }
 239                 }
 240                 foreach ( $revoke as $permission => $revoked ) {
 241                         if ( $revoked ) {
 242                                 $description = $this->msg( 'listgrouprights-right-revoked',
 243                                         User::getRightDescription( $permission ),
 244                                         '<span class="mw-listgrouprights-right-name">' . $permission . '</span>'
 245                                 )->parse();
 246                                 $r[] = $description;
 247                         }
 248                 }
 249
 250                 sort( $r );
 251
 252                 $lang = $this->getLanguage();
 253
 254                 if ( $add === true ) {
 255                         $r[] = $this->msg( 'listgrouprights-addgroup-all' )->escaped();
 256                 } elseif ( is_array( $add ) && count( $add ) ) {
 257                         $add = array_values( array_unique( $add ) );
 258                         $r[] = $this->msg( 'listgrouprights-addgroup',
 259                                 $lang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $add ) ),
 260                                 count( $add )
 261                         )->parse();
 262                 }
 263
 264                 if ( $remove === true ) {
 265                         $r[] = $this->msg( 'listgrouprights-removegroup-all' )->escaped();
 266                 } elseif ( is_array( $remove ) && count( $remove ) ) {
 267                         $remove = array_values( array_unique( $remove ) );
 268                         $r[] = $this->msg( 'listgrouprights-removegroup',
 269                                 $lang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $remove ) ),
 270                                 count( $remove )
 271                         )->parse();
 272                 }
 273
 274                 if ( $addSelf === true ) {
 275                         $r[] = $this->msg( 'listgrouprights-addgroup-self-all' )->escaped();
 276                 } elseif ( is_array( $addSelf ) && count( $addSelf ) ) {
 277                         $addSelf = array_values( array_unique( $addSelf ) );
 278                         $r[] = $this->msg( 'listgrouprights-addgroup-self',
 279                                 $lang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $addSelf ) ),
 280                                 count( $addSelf )
 281                         )->parse();
 282                 }
 283
 284                 if ( $removeSelf === true ) {
 285                         $r[] = $this->msg( 'listgrouprights-removegroup-self-all' )->parse();
 286                 } elseif ( is_array( $removeSelf ) && count( $removeSelf ) ) {
 287                         $removeSelf = array_values( array_unique( $removeSelf ) );
 288                         $r[] = $this->msg( 'listgrouprights-removegroup-self',
 289                                 $lang->listToText( array_map( array( 'User', 'makeGroupLinkWiki' ), $removeSelf ) ),
 290                                 count( $removeSelf )
 291                         )->parse();
 292                 }
 293
 294                 if ( empty( $r ) ) {
 295                         return '';
 296                 } else {
 297                         return '<ul><li>' . implode( "</li>\n<li>", $r ) . '</li></ul>';
 298                 }
 299         }
 300
 301         protected function getGroupName() {
 302                 return 'users';
 303         }
 304 }