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<?php
/**
* Job for asynchronous rendering of thumbnails.
*
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup JobQueue
*/
/**
* Job for asynchronous rendering of thumbnails.
*
* @ingroup JobQueue
*/
class ThumbnailRenderJob extends Job {
public function __construct( $title, $params ) {
parent::__construct( 'ThumbnailRender', $title, $params );
}
public function run() {
global $wgUploadThumbnailRenderMethod;
$transformParams = $this->params['transformParams'];
$file = wfLocalFile( $this->title );
$file->load( File::READ_LATEST );
if ( $file && $file->exists() ) {
if ( $wgUploadThumbnailRenderMethod === 'jobqueue' ) {
$thumb = $file->transform( $transformParams, File::RENDER_NOW );
if ( $thumb && !$thumb->isError() ) {
return true;
} else {
$this->setLastError( __METHOD__ . ': thumbnail couln\'t be generated' );
return false;
}
} elseif ( $wgUploadThumbnailRenderMethod === 'http' ) {
$status = $this->hitThumbUrl( $file, $transformParams );
wfDebug( __METHOD__ . ": received status {$status}\n" );
if ( $status === 200 || $status === 301 || $status === 302 ) {
return true;
} elseif ( $status ) {
// Note that this currently happens (500) when requesting sizes larger then or
// equal to the original, which is harmless.
$this->setLastError( __METHOD__ . ': incorrect HTTP status ' . $status );
return false;
} else {
$this->setLastError( __METHOD__ . ': HTTP request failure' );
return false;
}
} else {
$this->setLastError( __METHOD__ . ': unknown thumbnail render method ' . $wgUploadThumbnailRenderMethod );
return false;
}
} else {
$this->setLastError( __METHOD__ . ': file doesn\'t exist' );
return false;
}
}
protected function hitThumbUrl( $file, $transformParams ) {
global $wgUploadThumbnailRenderHttpCustomHost, $wgUploadThumbnailRenderHttpCustomDomain;
$thumbName = $file->thumbName( $transformParams );
$thumbUrl = $file->getThumbUrl( $thumbName );
if ( $wgUploadThumbnailRenderHttpCustomDomain ) {
$parsedUrl = wfParseUrl( $thumbUrl );
if ( !$parsedUrl || !isset( $parsedUrl['path'] ) || !strlen( $parsedUrl['path'] ) ) {
return false;
}
$thumbUrl = '//' . $wgUploadThumbnailRenderHttpCustomDomain . $parsedUrl['path'];
}
wfDebug( __METHOD__ . ": hitting url {$thumbUrl}\n" );
$request = MWHttpRequest::factory( $thumbUrl,
array( 'method' => 'HEAD', 'followRedirects' => true ),
__METHOD__
);
if ( $wgUploadThumbnailRenderHttpCustomHost ) {
$request->setHeader( 'Host', $wgUploadThumbnailRenderHttpCustomHost );
}
$status = $request->execute();
return $request->getStatus();
}
}
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