<?php /** * User-requested page cache purging. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * * @file * @ingroup Actions */ /** * User-requested page cache purging. * * For users with 'purge', this will directly trigger the cache purging and * for users without that right, it will show a confirmation form. * * @ingroup Actions */ class PurgeAction extends FormAction { private $redirectParams; public function getName() { return 'purge'; } public function requiresUnblock() { return false; } public function getDescription() { return ''; } /** * Just get an empty form with a single submit button * @return array */ protected function getFormFields() { return array(); } public function onSubmit( $data ) { return $this->page->doPurge(); } /** * purge is slightly weird because it can be either formed or formless depending * on user permissions */ public function show() { $this->setHeaders(); // This will throw exceptions if there's a problem $this->checkCanExecute( $this->getUser() ); if ( $this->getUser()->isAllowed( 'purge' ) ) { $this->redirectParams = wfArrayToCgi( array_diff_key( $this->getRequest()->getQueryValues(), array( 'title' => null, 'action' => null ) ) ); if ( $this->onSubmit( array() ) ) { $this->onSuccess(); } } else { $this->redirectParams = $this->getRequest()->getVal( 'redirectparams', '' ); $form = $this->getForm(); if ( $form->show() ) { $this->onSuccess(); } } } protected function alterForm( HTMLForm $form ) { $form->setSubmitTextMsg( 'confirm_purge_button' ); } protected function preText() { return $this->msg( 'confirm-purge-top' )->parse(); } protected function postText() { return $this->msg( 'confirm-purge-bottom' )->parse(); } public function onSuccess() { $this->getOutput()->redirect( $this->getTitle()->getFullURL( $this->redirectParams ) ); } }