includes/SpecialMIMEsearch.php

   1 <?php
   2 /**
   3  * A special page to search for files by MIME type as defined in the
   4  * img_major_mime and img_minor_mime fields in the image table
   5  *
   6  * @addtogroup SpecialPage
   7  *
   8  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
   9  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  10  */
  11
  12 /**
  13  * @addtogroup SpecialPage
  14  */
  15 class MIMEsearchPage extends QueryPage {
  16         var $major, $minor;
  17
  18         function MIMEsearchPage( $major, $minor ) {
  19                 $this->major = $major;
  20                 $this->minor = $minor;
  21         }
  22
  23         function getName() { return 'MIMEsearch'; }
  24
  25         /**
  26          * Due to this page relying upon extra fields being passed in the SELECT it
  27          * will fail if it's set as expensive and misermode is on
  28          */
  29         function isExpensive() { return true; }
  30         function isSyndicated() { return false; }
  31
  32         function linkParameters() {
  33                 $arr = array( $this->major, $this->minor );
  34                 $mime = implode( '/', $arr );
  35                 return array( 'mime' => $mime );
  36         }
  37
  38         function getSQL() {
  39                 $dbr = wfGetDB( DB_SLAVE );
  40                 $image = $dbr->tableName( 'image' );
  41                 $major = $dbr->addQuotes( $this->major );
  42                 $minor = $dbr->addQuotes( $this->minor );
  43
  44                 return
  45                         "SELECT 'MIMEsearch' AS type,
  46                                 " . NS_IMAGE . " AS namespace,
  47                                 img_name AS title,
  48                                 img_major_mime AS value,
  49
  50                                 img_size,
  51                                 img_width,
  52                                 img_height,
  53                                 img_user_text,
  54                                 img_timestamp
  55                         FROM $image
  56                         WHERE img_major_mime = $major AND img_minor_mime = $minor
  57                         ";
  58         }
  59
  60         function formatResult( $skin, $result ) {
  61                 global $wgContLang, $wgLang;
  62
  63                 $nt = Title::makeTitle( $result->namespace, $result->title );
  64                 $text = $wgContLang->convert( $nt->getText() );
  65                 $plink = $skin->makeLink( $nt->getPrefixedText(), $text );
  66
  67                 $download = $skin->makeMediaLink( $nt->getText(), 'fuck me!', wfMsgHtml( 'download' ) );
  68                 $bytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
  69                         $wgLang->formatNum( $result->img_size ) );
  70                 $dimensions = wfMsgHtml( 'widthheight', $wgLang->formatNum( $result->img_width ),
  71                         $wgLang->formatNum( $result->img_height ) );
  72                 $user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
  73                 $time = $wgLang->timeanddate( $result->img_timestamp );
  74
  75                 return "($download) $plink . . $dimensions . . $bytes . . $user . . $time";
  76         }
  77 }
  78
  79 /**
  80  * constructor
  81  */
  82 function wfSpecialMIMEsearch( $par = null ) {
  83         global $wgRequest, $wgTitle, $wgOut;
  84
  85         $mime = isset( $par ) ? $par : $wgRequest->getText( 'mime' );
  86
  87         $wgOut->addHTML(
  88                 wfElement( 'form',
  89                         array(
  90                                 'id' => 'specialmimesearch',
  91                                 'method' => 'get',
  92                                 'action' => $wgTitle->escapeLocalUrl()
  93                         ),
  94                         null
  95                 ) .
  96                         wfOpenElement( 'label' ) .
  97                                 wfMsgHtml( 'mimetype' ) .
  98                                 wfElement( 'input', array(
  99                                                 'type' => 'text',
 100                                                 'size' => 20,
 101                                                 'name' => 'mime',
 102                                                 'value' => $mime
 103                                         ),
 104                                         ''
 105                                 ) .
 106                                 ' ' .
 107                                 wfElement( 'input', array(
 108                                                 'type' => 'submit',
 109                                                 'value' => wfMsg( 'ilsubmit' )
 110                                         ),
 111                                         ''
 112                                 ) .
 113                         wfCloseElement( 'label' ) .
 114                 wfCloseElement( 'form' )
 115         );
 116
 117         list( $major, $minor ) = wfSpecialMIMEsearchParse( $mime );
 118         if ( $major == '' or $minor == '' or !wfSpecialMIMEsearchValidType( $major ) )
 119                 return;
 120         $wpp = new MIMEsearchPage( $major, $minor );
 121
 122         list( $limit, $offset ) = wfCheckLimits();
 123         $wpp->doQuery( $offset, $limit );
 124 }
 125
 126 function wfSpecialMIMEsearchParse( $str ) {
 127         // searched for an invalid MIME type.
 128         if( strpos( $str, '/' ) === false) {
 129                 return array ('', '');
 130         }
 131
 132         list( $major, $minor ) = explode( '/', $str, 2 );
 133
 134         return array(
 135                 ltrim( $major, ' ' ),
 136                 rtrim( $minor, ' ' )
 137         );
 138 }
 139
 140 function wfSpecialMIMEsearchValidType( $type ) {
 141         // From maintenance/tables.sql => img_major_mime
 142         $types = array(
 143                 'unknown',
 144                 'application',
 145                 'audio',
 146                 'image',
 147                 'text',
 148                 'video',
 149                 'message',
 150                 'model',
 151                 'multipart'
 152         );
 153
 154         return in_array( $type, $types );
 155 }
 156 ?>