SpecialMIMEsearch.php

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<?php
class MIMEsearchPage extends QueryPage {
        protected $major, $minor;

        function __construct( $name = 'MIMEsearch' ) {
                parent::__construct( $name );
        }

        function isExpensive() {
                return true;
        }

        function isSyndicated() {
                return false;
        }

        function isCacheable() {
                return false;
        }

        function linkParameters() {
                return array( 'mime' => "{$this->major}/{$this->minor}" );
        }

        public function getQueryInfo() {
                return array(
                        'tables' => array( 'image' ),
                        'fields' => array( 'namespace' => NS_FILE,
                                        'title' => 'img_name',
                                        'value' => 'img_major_mime',
                                        'img_size',
                                        'img_width',
                                        'img_height',
                                        'img_user_text',
                                        'img_timestamp' ),
                        'conds' => array( 'img_major_mime' => $this->major,
                                        'img_minor_mime' => $this->minor )
                );
        }

        function execute( $par ) {
                global $wgScript;

                $mime = $par ? $par : $this->getRequest()->getText( 'mime' );

                $this->setHeaders();
                $this->outputHeader();
                $this->getOutput()->addHTML(
                        Xml::openElement( 'form', array( 'id' => 'specialmimesearch', 'method' => 'get', 'action' => $wgScript ) ) .
                        Xml::openElement( 'fieldset' ) .
                        Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
                        Xml::element( 'legend', null, $this->msg( 'mimesearch' )->text() ) .
                        Xml::inputLabel( $this->msg( 'mimetype' )->text(), 'mime', 'mime', 20, $mime ) . ' ' .
                        Xml::submitButton( $this->msg( 'ilsubmit' )->text() ) .
                        Xml::closeElement( 'fieldset' ) .
                        Xml::closeElement( 'form' )
                );

                list( $this->major, $this->minor ) = File::splitMime( $mime );
                if ( $this->major == '' || $this->minor == '' || $this->minor == 'unknown' ||
                        !self::isValidType( $this->major ) ) {
                        return;
                }
                parent::execute( $par );
        }

        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 = htmlspecialchars( $lang->userTimeAndDate( $result->img_timestamp, $this->getUser() ) );

                return "$download $plink . . $dimensions . . $bytes . . $user . . $time";
        }

        protected static function isValidType( $type ) {
                // From maintenance/tables.sql => img_major_mime
                $types = array(
                        'unknown',
                        'application',
                        'audio',
                        'image',
                        'text',
                        'video',
                        'message',
                        'model',
                        'multipart'
                );
                return in_array( $type, $types );
        }

        protected function getGroupName() {
                return 'media';
        }
}