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<?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();
}
}
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