MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / actions / SpecialPageAction.php

diff --git a/includes/actions/SpecialPageAction.php b/includes/actions/SpecialPageAction.php
new file mode 100644 (file)
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+++ b/includes/actions/SpecialPageAction.php
@@ -0,0 +1,97 @@
+<?php
+/**
+ * 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
+ */
+
+/**
+ * An action that just passes the request to the relevant special page
+ *
+ * @ingroup Actions
+ * @since 1.25
+ */
+class SpecialPageAction extends FormlessAction {
+       /**
+        * @var array A mapping of action names to special page names.
+        */
+       public static $actionToSpecialPageMapping = [
+               'revisiondelete' => 'Revisiondelete',
+               'editchangetags' => 'EditTags',
+       ];
+
+       public function getName() {
+               $request = $this->getRequest();
+               $actionName = $request->getVal( 'action', 'view' );
+               // TODO: Shouldn't need to copy-paste this code from Action::getActionName!
+               if ( $actionName === 'historysubmit' ) {
+                       if ( $request->getBool( 'revisiondelete' ) ) {
+                               $actionName = 'revisiondelete';
+                       } elseif ( $request->getBool( 'editchangetags' ) ) {
+                               $actionName = 'editchangetags';
+                       }
+               }
+
+               if ( isset( self::$actionToSpecialPageMapping[$actionName] ) ) {
+                       return $actionName;
+               }
+
+               return 'nosuchaction';
+       }
+
+       public function requiresUnblock() {
+               return false;
+       }
+
+       public function getDescription() {
+               return '';
+       }
+
+       public function onView() {
+               return '';
+       }
+
+       public function show() {
+               $special = $this->getSpecialPage();
+               if ( !$special ) {
+                       throw new ErrorPageError(
+                               $this->msg( 'nosuchaction' ), $this->msg( 'nosuchactiontext' ) );
+               }
+
+               $special->setContext( $this->getContext() );
+               $special->getContext()->setTitle( $special->getPageTitle() );
+               $special->run( '' );
+       }
+
+       public function doesWrites() {
+               $special = $this->getSpecialPage();
+
+               return $special ? $special->doesWrites() : false;
+       }
+
+       /**
+        * @return SpecialPage|null
+        */
+       protected function getSpecialPage() {
+               $action = $this->getName();
+               if ( $action === 'nosuchaction' ) {
+                       return null;
+               }
+
+               // map actions to (whitelisted) special pages
+               return SpecialPageFactory::getPage( self::$actionToSpecialPageMapping[$action] );
+       }
+}