includes/actions/PurgeAction.php

   1 <?php
   2 /**
   3  * User-requested page cache purging.
   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
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  18  *
  19  * @file
  20  * @ingroup Actions
  21  */
  22
  23 /**
  24  * User-requested page cache purging
  25  *
  26  * @ingroup Actions
  27  */
  28 class PurgeAction extends FormAction {
  29
  30         private $redirectParams;
  31
  32         public function getName() {
  33                 return 'purge';
  34         }
  35
  36         public function requiresUnblock() {
  37                 return false;
  38         }
  39
  40         public function getDescription() {
  41                 return '';
  42         }
  43
  44         public function onSubmit( $data ) {
  45                 return $this->page->doPurge( WikiPage::PURGE_ALL );
  46         }
  47
  48         public function show() {
  49                 $this->setHeaders();
  50
  51                 // This will throw exceptions if there's a problem
  52                 $this->checkCanExecute( $this->getUser() );
  53
  54                 $user = $this->getUser();
  55
  56                 if ( $user->pingLimiter( 'purge' ) ) {
  57                         // TODO: Display actionthrottledtext
  58                         return;
  59                 }
  60
  61                 if ( $this->getRequest()->wasPosted() ) {
  62                         $this->redirectParams = wfArrayToCgi( array_diff_key(
  63                                 $this->getRequest()->getQueryValues(),
  64                                 [ 'title' => null, 'action' => null ]
  65                         ) );
  66                         if ( $this->onSubmit( [] ) ) {
  67                                 $this->onSuccess();
  68                         }
  69                 } else {
  70                         $this->redirectParams = $this->getRequest()->getVal( 'redirectparams', '' );
  71                         $form = $this->getForm();
  72                         if ( $form->show() ) {
  73                                 $this->onSuccess();
  74                         }
  75                 }
  76         }
  77
  78         protected function alterForm( HTMLForm $form ) {
  79                 $form->setSubmitTextMsg( 'confirm_purge_button' );
  80         }
  81
  82         protected function preText() {
  83                 return $this->msg( 'confirm-purge-top' )->parse();
  84         }
  85
  86         protected function postText() {
  87                 return $this->msg( 'confirm-purge-bottom' )->parse();
  88         }
  89
  90         public function onSuccess() {
  91                 $this->getOutput()->redirect( $this->getTitle()->getFullURL( $this->redirectParams ) );
  92         }
  93
  94         public function doesWrites() {
  95                 return true;
  96         }
  97 }