66f3ab254c
Redirect chains have never worked as intended. Bug: T296430 Change-Id: If0e514c57b8f3d857d956a581f1b549518ecb099
80 lines
2.4 KiB
PHP
80 lines
2.4 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* @file
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* @ingroup Actions
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*/
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use MediaWiki\MainConfigNames;
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use MediaWiki\MediaWikiServices;
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/**
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* An action that views article content
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*
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* This is a wrapper that will call Article::view().
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*
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* @ingroup Actions
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*/
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class ViewAction extends FormlessAction {
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public function getName() {
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return 'view';
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}
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public function onView() {
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return null;
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}
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public function needsReadRights() {
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// Pages in $wgWhitelistRead can be viewed without having the 'read'
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// right. We rely on Article::view() to properly check read access.
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return false;
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}
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public function show() {
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$config = $this->context->getConfig();
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// Emit deprecated hook warnings.
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// We do this only in the view action so that it reliably shows up in
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// the debug toolbar without unduly impacting the performance of API and
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// ResourceLoader requests.
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MediaWikiServices::getInstance()->getHookContainer()->emitDeprecationWarnings();
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if (
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!$config->get( MainConfigNames::DebugToolbar ) && // don't let this get stuck on pages
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$this->getWikiPage()->checkTouched() // page exists and is not a redirect
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) {
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// Include any redirect in the last-modified calculation
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$redirFromTitle = $this->getArticle()->getRedirectedFrom();
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if ( !$redirFromTitle ) {
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$touched = $this->getWikiPage()->getTouched();
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} else {
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$touched = max(
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$this->getWikiPage()->getTouched(),
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$redirFromTitle->getTouched()
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);
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}
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// Send HTTP 304 if the IMS matches or otherwise set expiry/last-modified headers
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if ( $touched && $this->getOutput()->checkLastModified( $touched ) ) {
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wfDebug( __METHOD__ . ": done 304" );
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return;
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}
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}
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$this->getArticle()->view();
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}
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}
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