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<?php
/**
* A special page to search for files by MIME type as defined in the
* img_major_mime and img_minor_mime fields in the image table
*
* @addtogroup SpecialPage
*
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
/**
* 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.
* @addtogroup SpecialPage
*/
class MIMEsearchPage extends QueryPage {
var $major, $minor;
function MIMEsearchPage( $major, $minor ) {
$this->major = $major;
$this->minor = $minor;
}
function getName() { return 'MIMEsearch'; }
/**
* Due to this page relying upon extra fields being passed in the SELECT it
* will fail if it's set as expensive and misermode is on
*/
function isExpensive() { return true; }
function isSyndicated() { return false; }
function linkParameters() {
$arr = array( $this->major, $this->minor );
$mime = implode( '/', $arr );
return array( 'mime' => $mime );
}
function getSQL() {
$dbr = wfGetDB( DB_SLAVE );
$image = $dbr->tableName( 'image' );
$major = $dbr->addQuotes( $this->major );
$minor = $dbr->addQuotes( $this->minor );
return
"SELECT 'MIMEsearch' AS type,
" . NS_IMAGE . " AS namespace,
img_name AS title,
img_major_mime AS value,
img_size,
img_width,
img_height,
img_user_text,
img_timestamp
FROM $image
WHERE img_major_mime = $major AND img_minor_mime = $minor
";
}
function formatResult( $skin, $result ) {
global $wgContLang, $wgLang;
$nt = Title::makeTitle( $result->namespace, $result->title );
$text = $wgContLang->convert( $nt->getText() );
$plink = $skin->makeLink( $nt->getPrefixedText(), $text );
$download = $skin->makeMediaLinkObj( $nt, wfMsgHtml( 'download' ) );
$bytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
$wgLang->formatNum( $result->img_size ) );
$dimensions = wfMsgHtml( 'widthheight', $wgLang->formatNum( $result->img_width ),
$wgLang->formatNum( $result->img_height ) );
$user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
$time = $wgLang->timeanddate( $result->img_timestamp );
return "($download) $plink . . $dimensions . . $bytes . . $user . . $time";
}
}
/**
* Output the HTML search form, and constructs the MIMEsearchPage object.
*/
function wfSpecialMIMEsearch( $par = null ) {
global $wgRequest, $wgTitle, $wgOut;
$mime = isset( $par ) ? $par : $wgRequest->getText( 'mime' );
$wgOut->addHTML(
Xml::openElement( 'form',
array(
'id' => 'specialmimesearch',
'method' => 'get',
'action' => $wgTitle->getLocalUrl()
)
) .
Xml::inputLabel( wfMsg( 'mimetype' ), 'mime', 'mime', 20, $mime ) .
Xml::submitButton( wfMsg( 'ilsubmit' ) ) .
Xml::closeElement( 'form' )
);
list( $major, $minor ) = wfSpecialMIMEsearchParse( $mime );
if ( $major == '' or $minor == '' or !wfSpecialMIMEsearchValidType( $major ) )
return;
$wpp = new MIMEsearchPage( $major, $minor );
list( $limit, $offset ) = wfCheckLimits();
$wpp->doQuery( $offset, $limit );
}
function wfSpecialMIMEsearchParse( $str ) {
// searched for an invalid MIME type.
if( strpos( $str, '/' ) === false) {
return array ('', '');
}
list( $major, $minor ) = explode( '/', $str, 2 );
return array(
ltrim( $major, ' ' ),
rtrim( $minor, ' ' )
);
}
function wfSpecialMIMEsearchValidType( $type ) {
// From maintenance/tables.sql => img_major_mime
$types = array(
'unknown',
'application',
'audio',
'image',
'text',
'video',
'message',
'model',
'multipart'
);
return in_array( $type, $types );
}
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