includes/specials/SpecialUnlockdb.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * Implements Special:Unlockdb
  22  *
  23  * @ingroup SpecialPage
  24  */
  25 class SpecialUnlockdb extends SpecialPage {
  26
  27         public function __construct() {
  28                 parent::__construct( 'Unlockdb', 'siteadmin' );
  29         }
  30
  31         public function execute( $par ) {
  32                 global $wgUser, $wgOut, $wgRequest;
  33
  34                 $this->setHeaders();
  35
  36                 if( !$wgUser->isAllowed( 'siteadmin' ) ) {
  37                         $wgOut->permissionRequired( 'siteadmin' );
  38                         return;
  39                 }
  40
  41                 $this->outputHeader();
  42
  43                 $action = $wgRequest->getVal( 'action' );
  44
  45                 if ( $action == 'success' ) {
  46                         $this->showSuccess();
  47                 } else if ( $action == 'submit' && $wgRequest->wasPosted() &&
  48                         $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  49                         $this->doSubmit();
  50                 } else {
  51                         $this->showForm();
  52                 }
  53         }
  54
  55         private function showForm( $err = '' ) {
  56                 global $wgOut, $wgUser;
  57
  58                 global $wgReadOnlyFile;
  59                 if( !file_exists( $wgReadOnlyFile ) ) {
  60                         $wgOut->addWikiMsg( 'databasenotlocked' );
  61                         return;
  62                 }
  63
  64                 $wgOut->addWikiMsg( 'unlockdbtext' );
  65
  66                 if ( $err != '' ) {
  67                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
  68                         $wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
  69                 }
  70
  71                 $wgOut->addHTML(
  72                         Html::openElement( 'form', array( 'id' => 'unlockdb', 'method' => 'POST',
  73                                 'action' => $this->getTitle()->getLocalURL( 'action=submit' ) ) ) . "
  74 <table>
  75         <tr>
  76                 " . Html::openElement( 'td', array( 'style' => 'text-align:right' ) ) . "
  77                         " . Html::input( 'wpLockConfirm', null, 'checkbox' ) . "
  78                 </td>
  79                 " . Html::openElement( 'td', array( 'style' => 'text-align:left' ) ) .
  80                         wfMsgHtml( 'unlockconfirm' ) . "</td>
  81         </tr>
  82         <tr>
  83                 <td>&#160;</td>
  84                 " . Html::openElement( 'td', array( 'style' => 'text-align:left' ) ) . "
  85                         " . Html::input( 'wpLock', wfMsg( 'unlockbtn' ), 'submit' ) . "
  86                 </td>
  87         </tr>
  88 </table>\n" .
  89                         Html::hidden( 'wpEditToken', $wgUser->editToken() ) . "\n" .
  90                         Html::closeElement( 'form' )
  91                 );
  92
  93         }
  94
  95         private function doSubmit() {
  96                 global $wgOut, $wgRequest, $wgReadOnlyFile;
  97
  98                 $wpLockConfirm = $wgRequest->getCheck( 'wpLockConfirm' );
  99                 if ( !$wpLockConfirm ) {
 100                         $this->showForm( wfMsg( 'locknoconfirm' ) );
 101                         return;
 102                 }
 103                 if ( @!unlink( $wgReadOnlyFile ) ) {
 104                         $wgOut->showFileDeleteError( $wgReadOnlyFile );
 105                         return;
 106                 }
 107
 108                 $wgOut->redirect( $this->getTitle()->getFullURL( 'action=success' ) );
 109         }
 110
 111         private function showSuccess() {
 112                 global $wgOut;
 113
 114                 $wgOut->setSubtitle( wfMsg( 'unlockdbsuccesssub' ) );
 115                 $wgOut->addWikiMsg( 'unlockdbsuccesstext' );
 116         }
 117 }