summaryrefslogtreecommitdiff
path: root/includes/specials/SpecialMIMEsearch.php
diff options
context:
space:
mode:
Diffstat (limited to 'includes/specials/SpecialMIMEsearch.php')
-rw-r--r--includes/specials/SpecialMIMEsearch.php138
1 files changed, 138 insertions, 0 deletions
diff --git a/includes/specials/SpecialMIMEsearch.php b/includes/specials/SpecialMIMEsearch.php
new file mode 100644
index 00000000..82ee4be6
--- /dev/null
+++ b/includes/specials/SpecialMIMEsearch.php
@@ -0,0 +1,138 @@
+<?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
+ *
+ * @file
+ * @ingroup 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.
+ * @ingroup 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::openElement( 'fieldset' ) .
+ Xml::element( 'legend', null, wfMsg( 'mimesearch' ) ) .
+ Xml::inputLabel( wfMsg( 'mimetype' ), 'mime', 'mime', 20, $mime ) . ' ' .
+ Xml::submitButton( wfMsg( 'ilsubmit' ) ) .
+ Xml::closeElement( 'fieldset' ) .
+ 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 );
+}