MediaWiki 1.30.2

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

diff --git a/includes/actions/ViewAction.php b/includes/actions/ViewAction.php
new file mode 100644 (file)
index 0000000..134b8a4
--- /dev/null
+++ b/includes/actions/ViewAction.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * An action that views article content
+ *
+ * Copyright © 2012 Timo Tijhof
+ *
+ * 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
+ * @author Timo Tijhof
+ */
+
+/**
+ * An action that views article content
+ *
+ * This is a wrapper that will call Article::view().
+ *
+ * @ingroup Actions
+ */
+class ViewAction extends FormlessAction {
+
+       public function getName() {
+               return 'view';
+       }
+
+       public function onView() {
+               return null;
+       }
+
+       public function show() {
+               $config = $this->context->getConfig();
+
+               if (
+                       $config->get( 'DebugToolbar' ) == false && // don't let this get stuck on pages
+                       $this->page->checkTouched() // page exists and is not a redirect
+               ) {
+                       // Include any redirect in the last-modified calculation
+                       $redirFromTitle = $this->page->getRedirectedFrom();
+                       if ( !$redirFromTitle ) {
+                               $touched = $this->page->getTouched();
+                       } elseif ( $config->get( 'MaxRedirects' ) <= 1 ) {
+                               $touched = max( $this->page->getTouched(), $redirFromTitle->getTouched() );
+                       } else {
+                               // Don't bother following the chain and getting the max mtime
+                               $touched = null;
+                       }
+
+                       // Send HTTP 304 if the IMS matches or otherwise set expiry/last-modified headers
+                       if ( $touched && $this->getOutput()->checkLastModified( $touched ) ) {
+                               wfDebug( __METHOD__ . ": done 304\n" );
+                               return;
+                       }
+               }
+
+               $this->page->view();
+       }
+}