includes/specials/SpecialMIMEsearch.php

   1 <?php
   2 /**
   3  * Implements Special:MIMESearch
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  23  */
  24
  25 /**
  26  * Searches the database for files of the requested MIME type, comparing this with the
  27  * 'img_major_mime' and 'img_minor_mime' fields in the image table.
  28  * @ingroup SpecialPage
  29  */
  30 class MIMEsearchPage extends QueryPage {
  31         protected $major, $minor;
  32
  33         function __construct( $name = 'MIMEsearch' ) {
  34                 parent::__construct( $name );
  35         }
  36
  37         function isExpensive() {
  38                 return true;
  39         }
  40
  41         function isSyndicated() {
  42                 return false;
  43         }
  44
  45         function isCacheable() {
  46                 return false;
  47         }
  48
  49         function linkParameters() {
  50                 return array( 'mime' => "{$this->major}/{$this->minor}" );
  51         }
  52
  53         public function getQueryInfo() {
  54                 return array(
  55                         'tables' => array( 'image' ),
  56                         'fields' => array(
  57                                 'namespace' => NS_FILE,
  58                                 'title' => 'img_name',
  59                                 'value' => 'img_major_mime',
  60                                 'img_size',
  61                                 'img_width',
  62                                 'img_height',
  63                                 'img_user_text',
  64                                 'img_timestamp'
  65                         ),
  66                         'conds' => array(
  67                                 'img_major_mime' => $this->major,
  68                                 'img_minor_mime' => $this->minor
  69                         )
  70                 );
  71         }
  72
  73         function execute( $par ) {
  74                 global $wgScript;
  75
  76                 $mime = $par ? $par : $this->getRequest()->getText( 'mime' );
  77
  78                 $this->setHeaders();
  79                 $this->outputHeader();
  80                 $this->getOutput()->addHTML(
  81                         Xml::openElement(
  82                                 'form',
  83                                 array( 'id' => 'specialmimesearch', 'method' => 'get', 'action' => $wgScript )
  84                         ) .
  85                                 Xml::openElement( 'fieldset' ) .
  86                                 Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
  87                                 Xml::element( 'legend', null, $this->msg( 'mimesearch' )->text() ) .
  88                                 Xml::inputLabel( $this->msg( 'mimetype' )->text(), 'mime', 'mime', 20, $mime ) .
  89                                 ' ' .
  90                                 Xml::submitButton( $this->msg( 'ilsubmit' )->text() ) .
  91                                 Xml::closeElement( 'fieldset' ) .
  92                                 Xml::closeElement( 'form' )
  93                 );
  94
  95                 list( $this->major, $this->minor ) = File::splitMime( $mime );
  96
  97                 if ( $this->major == '' || $this->minor == '' || $this->minor == 'unknown' ||
  98                         !self::isValidType( $this->major )
  99                 ) {
 100                         return;
 101                 }
 102
 103                 parent::execute( $par );
 104         }
 105
 106         /**
 107          * @param Skin $skin
 108          * @param object $result Result row
 109          * @return string
 110          */
 111         function formatResult( $skin, $result ) {
 112                 global $wgContLang;
 113
 114                 $nt = Title::makeTitle( $result->namespace, $result->title );
 115                 $text = $wgContLang->convert( $nt->getText() );
 116                 $plink = Linker::link(
 117                         Title::newFromText( $nt->getPrefixedText() ),
 118                         htmlspecialchars( $text )
 119                 );
 120
 121                 $download = Linker::makeMediaLinkObj( $nt, $this->msg( 'download' )->escaped() );
 122                 $download = $this->msg( 'parentheses' )->rawParams( $download )->escaped();
 123                 $lang = $this->getLanguage();
 124                 $bytes = htmlspecialchars( $lang->formatSize( $result->img_size ) );
 125                 $dimensions = $this->msg( 'widthheight' )->numParams( $result->img_width,
 126                         $result->img_height )->escaped();
 127                 $user = Linker::link(
 128                         Title::makeTitle( NS_USER, $result->img_user_text ),
 129                         htmlspecialchars( $result->img_user_text )
 130                 );
 131
 132                 $time = $lang->userTimeAndDate( $result->img_timestamp, $this->getUser() );
 133                 $time = htmlspecialchars( $time );
 134
 135                 return "$download $plink . . $dimensions . . $bytes . . $user . . $time";
 136         }
 137
 138         /**
 139          * @param $type string
 140          * @return bool
 141          */
 142         protected static function isValidType( $type ) {
 143                 // From maintenance/tables.sql => img_major_mime
 144                 $types = array(
 145                         'unknown',
 146                         'application',
 147                         'audio',
 148                         'image',
 149                         'text',
 150                         'video',
 151                         'message',
 152                         'model',
 153                         'multipart'
 154                 );
 155
 156                 return in_array( $type, $types );
 157         }
 158
 159         protected function getGroupName() {
 160                 return 'media';
 161         }
 162 }