includes/specials/SpecialUnlockdb.php

   1 <?php
   2
   3 /**
   4  * Implements Special:Unlockdb
   5  *
   6  * @ingroup SpecialPage
   7  */
   8 class SpecialUnlockdb extends SpecialPage {
   9
  10         public function __construct() {
  11                 parent::__construct( 'Unlockdb', 'siteadmin' );
  12         }
  13
  14         public function execute( $par ) {
  15                 global $wgUser, $wgOut, $wgRequest;
  16
  17                 $this->setHeaders();
  18
  19                 if( !$wgUser->isAllowed( 'siteadmin' ) ) {
  20                         $wgOut->permissionRequired( 'siteadmin' );
  21                         return;
  22                 }
  23
  24                 $this->outputHeader();
  25
  26                 $action = $wgRequest->getVal( 'action' );
  27
  28                 if ( $action == 'success' ) {
  29                         $this->showSuccess();
  30                 } else if ( $action == 'submit' && $wgRequest->wasPosted() &&
  31                         $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  32                         $this->doSubmit();
  33                 } else {
  34                         $this->showForm();
  35                 }
  36         }
  37
  38         private function showForm( $err = '' ) {
  39                 global $wgOut, $wgUser;
  40
  41                 global $wgReadOnlyFile;
  42                 if( !file_exists( $wgReadOnlyFile ) ) {
  43                         $wgOut->addWikiMsg( 'databasenotlocked' );
  44                         return;
  45                 }
  46
  47                 $wgOut->addWikiMsg( 'unlockdbtext' );
  48
  49                 if ( $err != '' ) {
  50                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
  51                         $wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
  52                 }
  53
  54                 $wgOut->addHTML(
  55                         Html::openElement( 'form', array( 'id' => 'unlockdb', 'method' => 'POST',
  56                                 'action' => $this->getTitle()->getLocalURL( 'action=submit' ) ) ) . "
  57 <table>
  58         <tr>
  59                 " . Html::openElement( 'td', array( 'style' => 'text-align:right' ) ) . "
  60                         " . Html::input( 'wpLockConfirm', null, 'checkbox' ) . "
  61                 </td>
  62                 " . Html::openElement( 'td', array( 'style' => 'text-align:left' ) ) .
  63                         wfMsgHtml( 'unlockconfirm' ) . "</td>
  64         </tr>
  65         <tr>
  66                 <td>&#160;</td>
  67                 " . Html::openElement( 'td', array( 'style' => 'text-align:left' ) ) . "
  68                         " . Html::input( 'wpLock', wfMsg( 'unlockbtn' ), 'submit' ) . "
  69                 </td>
  70         </tr>
  71 </table>\n" .
  72                         Html::hidden( 'wpEditToken', $wgUser->editToken() ) . "\n" .
  73                         Html::closeElement( 'form' )
  74                 );
  75
  76         }
  77
  78         private function doSubmit() {
  79                 global $wgOut, $wgRequest, $wgReadOnlyFile;
  80
  81                 $wpLockConfirm = $wgRequest->getCheck( 'wpLockConfirm' );
  82                 if ( !$wpLockConfirm ) {
  83                         $this->showForm( wfMsg( 'locknoconfirm' ) );
  84                         return;
  85                 }
  86                 if ( @!unlink( $wgReadOnlyFile ) ) {
  87                         $wgOut->showFileDeleteError( $wgReadOnlyFile );
  88                         return;
  89                 }
  90
  91                 $wgOut->redirect( $this->getTitle()->getFullURL( 'action=success' ) );
  92         }
  93
  94         private function showSuccess() {
  95                 global $wgOut;
  96
  97                 $wgOut->setSubtitle( wfMsg( 'unlockdbsuccesssub' ) );
  98                 $wgOut->addWikiMsg( 'unlockdbsuccesstext' );
  99         }
 100 }