Current File : /www/varak.net/wiki.varak.net/includes/specials/SpecialMIMEsearch.php
<?php
/**
* Implements Special:MIMESearch
*
* 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 SpecialPage
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
*/
use MediaWiki\MediaWikiServices;
/**
* Searches the database for files of the requested MIME type, comparing this with the
* 'img_major_mime' and 'img_minor_mime' fields in the image table.
* @ingroup SpecialPage
*/
class MIMEsearchPage extends QueryPage {
protected $major, $minor, $mime;
function __construct( $name = 'MIMEsearch' ) {
parent::__construct( $name );
}
public function isExpensive() {
return false;
}
function isSyndicated() {
return false;
}
function isCacheable() {
return false;
}
function linkParameters() {
return [ 'mime' => "{$this->major}/{$this->minor}" ];
}
public function getQueryInfo() {
$minorType = [];
if ( $this->minor !== '*' ) {
// Allow wildcard searching
$minorType['img_minor_mime'] = $this->minor;
}
$imgQuery = LocalFile::getQueryInfo();
$qi = [
'tables' => $imgQuery['tables'],
'fields' => [
'namespace' => NS_FILE,
'title' => 'img_name',
// Still have a value field just in case,
// but it isn't actually used for sorting.
'value' => 'img_name',
'img_size',
'img_width',
'img_height',
'img_user_text' => $imgQuery['fields']['img_user_text'],
'img_timestamp'
],
'conds' => [
'img_major_mime' => $this->major,
// This is in order to trigger using
// the img_media_mime index in "range" mode.
// @todo how is order defined? use MimeAnalyzer::getMediaTypes?
'img_media_type' => [
MEDIATYPE_BITMAP,
MEDIATYPE_DRAWING,
MEDIATYPE_AUDIO,
MEDIATYPE_VIDEO,
MEDIATYPE_MULTIMEDIA,
MEDIATYPE_UNKNOWN,
MEDIATYPE_OFFICE,
MEDIATYPE_TEXT,
MEDIATYPE_EXECUTABLE,
MEDIATYPE_ARCHIVE,
MEDIATYPE_3D,
],
] + $minorType,
'join_conds' => $imgQuery['joins'],
];
return $qi;
}
/**
* The index is on (img_media_type, img_major_mime, img_minor_mime)
* which unfortunately doesn't have img_name at the end for sorting.
* So tell db to sort it however it wishes (Its not super important
* that this report gives results in a logical order). As an aditional
* note, mysql seems to by default order things by img_name ASC, which
* is what we ideally want, so everything works out fine anyhow.
* @return array
*/
function getOrderFields() {
return [];
}
/**
* Generate and output the form
*/
function getPageHeader() {
$formDescriptor = [
'mime' => [
'type' => 'combobox',
'options' => $this->getSuggestionsForTypes(),
'name' => 'mime',
'label-message' => 'mimetype',
'required' => true,
'default' => $this->mime,
],
];
HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() )
->setSubmitTextMsg( 'ilsubmit' )
->setAction( $this->getPageTitle()->getLocalURL() )
->setMethod( 'get' )
->prepareForm()
->displayForm( false );
}
protected function getSuggestionsForTypes() {
$dbr = wfGetDB( DB_REPLICA );
$lastMajor = null;
$suggestions = [];
$result = $dbr->select(
[ 'image' ],
// We ignore img_media_type, but using it in the query is needed for MySQL to choose a
// sensible execution plan
[ 'img_media_type', 'img_major_mime', 'img_minor_mime' ],
[],
__METHOD__,
[ 'GROUP BY' => [ 'img_media_type', 'img_major_mime', 'img_minor_mime' ] ]
);
foreach ( $result as $row ) {
$major = $row->img_major_mime;
$minor = $row->img_minor_mime;
$suggestions[ "$major/$minor" ] = "$major/$minor";
if ( $lastMajor === $major ) {
// If there are at least two with the same major mime type, also include the wildcard
$suggestions[ "$major/*" ] = "$major/*";
}
$lastMajor = $major;
}
ksort( $suggestions );
return $suggestions;
}
public function execute( $par ) {
$this->mime = $par ?: $this->getRequest()->getText( 'mime' );
$this->mime = trim( $this->mime );
list( $this->major, $this->minor ) = File::splitMime( $this->mime );
if ( $this->major == '' || $this->minor == '' || $this->minor == 'unknown' ||
!self::isValidType( $this->major )
) {
$this->setHeaders();
$this->outputHeader();
$this->getPageHeader();
return;
}
parent::execute( $par );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
$linkRenderer = $this->getLinkRenderer();
$nt = Title::makeTitle( $result->namespace, $result->title );
$text = MediaWikiServices::getInstance()->getContentLanguage()
->convert( htmlspecialchars( $nt->getText() ) );
$plink = $linkRenderer->makeLink(
Title::newFromText( $nt->getPrefixedText() ),
new HtmlArmor( $text )
);
$download = Linker::makeMediaLinkObj( $nt, $this->msg( 'download' )->escaped() );
$download = $this->msg( 'parentheses' )->rawParams( $download )->escaped();
$lang = $this->getLanguage();
$bytes = htmlspecialchars( $lang->formatSize( $result->img_size ) );
$dimensions = $this->msg( 'widthheight' )->numParams( $result->img_width,
$result->img_height )->escaped();
$user = $linkRenderer->makeLink(
Title::makeTitle( NS_USER, $result->img_user_text ),
$result->img_user_text
);
$time = $lang->userTimeAndDate( $result->img_timestamp, $this->getUser() );
$time = htmlspecialchars( $time );
return "$download $plink . . $dimensions . . $bytes . . $user . . $time";
}
/**
* @param string $type
* @return bool
*/
protected static function isValidType( $type ) {
// From maintenance/tables.sql => img_major_mime
$types = [
'unknown',
'application',
'audio',
'image',
'text',
'video',
'message',
'model',
'multipart',
'chemical'
];
return in_array( $type, $types );
}
public function preprocessResults( $db, $res ) {
$this->executeLBFromResultWrapper( $res );
}
protected function getGroupName() {
return 'media';
}
}
Mini Shell