includes/specials/SpecialUnlockdb.php

   1 <?php
   2 /**
   3  * Implements Special:Unlockdb
   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  * Implements Special:Unlockdb
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialUnlockdb extends FormSpecialPage {
  30
  31         public function __construct() {
  32                 parent::__construct( 'Unlockdb', 'siteadmin' );
  33         }
  34
  35         public function requiresWrite() {
  36                 return false;
  37         }
  38
  39         public function checkExecutePermissions( User $user ) {
  40                 global $wgReadOnlyFile;
  41
  42                 parent::checkExecutePermissions( $user );
  43                 # If the lock file isn't writable, we can do sweet bugger all
  44                 if ( !file_exists( $wgReadOnlyFile ) ) {
  45                         throw new ErrorPageError( 'lockdb', 'databasenotlocked' );
  46                 }
  47         }
  48
  49         protected function getFormFields() {
  50                 return array(
  51                         'Confirm' => array(
  52                                 'type' => 'toggle',
  53                                 'label-message' => 'unlockconfirm',
  54                         ),
  55                 );
  56         }
  57
  58         protected function alterForm( HTMLForm $form ) {
  59                 $form->setWrapperLegend( false );
  60                 $form->setHeaderText( $this->msg( 'unlockdbtext' )->parseAsBlock() );
  61                 $form->setSubmitTextMsg( 'unlockbtn' );
  62         }
  63
  64         public function onSubmit( array $data ) {
  65                 global $wgReadOnlyFile;
  66
  67                 if ( !$data['Confirm'] ) {
  68                         return Status::newFatal( 'locknoconfirm' );
  69                 }
  70
  71                 wfSuppressWarnings();
  72                 $res = unlink( $wgReadOnlyFile );
  73                 wfRestoreWarnings();
  74
  75                 if ( $res ) {
  76                         return Status::newGood();
  77                 } else {
  78                         return Status::newFatal( 'filedeleteerror', $wgReadOnlyFile );
  79                 }
  80         }
  81
  82         public function onSuccess() {
  83                 $out = $this->getOutput();
  84                 $out->addSubtitle( $this->msg( 'unlockdbsuccesssub' ) );
  85                 $out->addWikiMsg( 'unlockdbsuccesstext' );
  86         }
  87 }