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