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<?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>
*/
/**
* 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( $name );
}
function isExpensive() {
return false;
}
function isSyndicated() {
return false;
}
function isCacheable() {
return false;
}
function linkParameters() {
return array( 'mime' => "{$this->major}/{$this->minor}" );
}
public function getQueryInfo() {
$minorType = array();
if ( $this->minor !== '*' ) {
// Allow wildcard searching
$minorType['img_minor_mime'] = $this->minor;
}
$qi = array(
'tables' => array( 'image' ),
'fields' => array(
'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',
'img_timestamp'
),
'conds' => array(
'img_major_mime' => $this->major,
// This is in order to trigger using
// the img_media_mime index in "range" mode.
'img_media_type' => array(
MEDIATYPE_BITMAP,
MEDIATYPE_DRAWING,
MEDIATYPE_AUDIO,
MEDIATYPE_VIDEO,
MEDIATYPE_MULTIMEDIA,
MEDIATYPE_UNKNOWN,
MEDIATYPE_OFFICE,
MEDIATYPE_TEXT,
MEDIATYPE_EXECUTABLE,
MEDIATYPE_ARCHIVE,
),
) + $minorType,
);
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 array();
}
/**
* Return HTML to put just before the results.
*/
function getPageHeader() {
return Xml::openElement(
'form',
array( 'id' => 'specialmimesearch', 'method' => 'get', 'action' => wfScript() )
) .
Xml::openElement( 'fieldset' ) .
Html::hidden( 'title', $this->getPageTitle()->getPrefixedText() ) .
Xml::element( 'legend', null, $this->msg( 'mimesearch' )->text() ) .
Xml::inputLabel( $this->msg( 'mimetype' )->text(), 'mime', 'mime', 20, $this->mime ) .
' ' .
Xml::submitButton( $this->msg( 'ilsubmit' )->text() ) .
Xml::closeElement( 'fieldset' ) .
Xml::closeElement( 'form' );
}
function execute( $par ) {
$this->mime = $par ? $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->getOutput()->addHTML( $this->getPageHeader() );
return;
}
parent::execute( $par );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
global $wgContLang;
$nt = Title::makeTitle( $result->namespace, $result->title );
$text = $wgContLang->convert( $nt->getText() );
$plink = Linker::link(
Title::newFromText( $nt->getPrefixedText() ),
htmlspecialchars( $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 = Linker::link(
Title::makeTitle( NS_USER, $result->img_user_text ),
htmlspecialchars( $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 = array(
'unknown',
'application',
'audio',
'image',
'text',
'video',
'message',
'model',
'multipart',
'chemical'
);
return in_array( $type, $types );
}
protected function getGroupName() {
return 'media';
}
}
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